All Recent Changes in LHCb Web retrieved at 06:49 (GMT)

Physics Software Release Schedules This page documents release schedules agreed at the Applications Coordination meetings. Details of the contents of future releases...
This page contains information on how to configure the system and to take data in the ComLab. Setup the system from scratch Switch on the file server storerich...
FE Machines, login WinCC projects: Problems, errors Monitoring WinCC Hardware
HV Machines, login WinCC projects: Problems, errors OPC problems Restart OPC server: /localdisk/scifi/OpcUaRunDir/startServerAutoDiscovery.sh Check...
Tell40 Machines, login WinCC projects: Problems, errors Monitoring WinCC Hardware
Services Machines, login WinCC projects: Problems, errors Monitoring WinCC Hardware
LV Machines, login WinCC projects: Problems, errors Monitoring WinCC Hardware
LHCb Nightly Build System The System The LHCb Nightly Build System is a collection of tools and scripts that allow automation of build and test tasks for LHCb software...
YouhuaYang 2019 12 11
This page contains information on column testing. The full test protocol is available at https://www.overleaf.com/read/mrqtdxndrrck First checks by experts Check...
Daily WLCG Operations calls :: collection of LHCb reports Starting from April 2009, this twiki collects all the LHCb reports given to the daily WLCG calls at 3pm...
AntonioFalabella 08 Dec 2011 Working Groups Customized Productions Introduction LHCbDIRAC is used to run centralized processing tasks on selected datasets. A processing...
Run 2 Turbo PV refitting issue The issue In order to obtain an unbiased (or less biased) measure of the displacement of a particle wrt a PV (eg, flight distance,...
LHCb Run 1 2 Performance Working Group New Performance WG encompassing PID, Calo Objects, Tracking and Alignment (and Trigger) for LHCb Run 1 and 2 Mailing list of...
RICH Upgrade Project This page contains information related to LHCb RICH Upgrade RICH Upgrade papers RICH2019: A proposal for the LHCb RICH upgrade LHCb...
Cooling Common primary chiller requirements (April 2016) (28 June 2016) of refrigeration options (M. Doubek) cooling meeting (13 October...
When logging on a HEPIX enabled machine like those in the lxplus.cern.ch cluster, the user environment is customized with experiment specific settings (AKA group...
TCK Trigger Configuration Key The HLT is configured via a unique key, named Trigger Configuration Key (TCK), that defines the sequence of algorithms, and the cuts...
Platforms and compilers supported by LHCb production software Source code and binaries for supported platforms are available in CVMFS (directory /cvmfs/lhcb.cern.ch...
TrackCalib Package TrackCalib was created as tool for creating tracking efficiency correction tables allowing for user defined track quality cuts, binning and variable...
Making ntuples from Turbo data This page shows you how to configure DaVinci to process Turbo data. Due to the historical development cycle of the Turbo processing...
onferences Upcoming Conferences Name Where Date url Topic Abstract deadline Conferences with SciFi participation Conference...
SciFi Module Assembly and Quality Assurance tests Access and Contacts Grey Room in LHCB Hall (ask for key`s LHCb secretariat) It has airconditioning/heating...
The LHCb Upgrade II LHCb Upgrade II Organisation Upgrade Ib (LS2) and Upgrade II (LS3) matters are overseen by the U2PG: Membership: Spokesperson Passaleva...
Friday Relax Every Thursday at point 8, starting around 18:00 to subscribe to the email list: https://e groups.cern.ch/e groups/EgroupsSubscription.do?egroupName...
PIDCalib Packages This page provides information on how to use the package for extracting PID performance results from both collision data and MC. Questions or comments...
UpgradeMonteCarloSamples This page is to collect information regarding Upgrade MC for trigger development Available samples The initial batch of samples generated...
Welcome to the home of b TWiki.LHCb /b . This is a web based collaboration area for ... LHCbComputing LHCb FAQs LHCbPhysics LHCbPhysicsPerformance LHCbVELO...
Unbinned PID resampling using kernel density estimation Introduction PIDGen is a set of scripts within PIDCalib package to correct the PID response for MC signal...
Preparing a software project for release This wiki explains the procedure to be used by software release managers to prepare a project for release. It assumes the...
Photos photos in CERNBox SciFi Google Photos Album CERN article 2019 11 12 https://cds.cern.ch/record/2701306# Posters OpenDays 2019 SciFi posters (svg and...
Status SciFi Module 11.11.2019 CF1 12: 14 12 5 13 10 17 11 8 9 6 30 27 CF2 12: 21 27 15 16 20 19 22 23 29 24 28 20 CF3 10: 67 68 70 66 65 64 61...
LHCb User Enviroment (LbEnv) Motivations and design The current tool to set the LHCb User Environment (LbLogin) uses the `SetupProject` tool to look for the various...
GEOC 2018 shifts This page lists qualified LHCb GEOCs for 2018 and shift stats. The authoritative numbers are in the Database and this page summarises what`s there...
Introduction The rationale and the basics of the use of Git in LHCb have been presented and discussed in a few places: Analysis and Software Week (2016 01...
SciFi Tracker Test Beam July 2018 Logbook Runlogbook.ods: Logbook of the settings for each recorded run Instructions for Shifters yes Test beam is...
OPC UA communication The OPC UA server will run on the ELMBs CCPC (TBC). In the ComLab, the pclhcb33 machine is emulating this CCPC. The OPC UA client is running on...
The R2HV1 project is running on lbrichecs01. Port number are shown here https://twiki.cern.ch/twiki/bin/view/LHCb/WinCCProjects Channels configuration The lbRichHV...
Machines used in the SysLab and ComLab The following machines are running CentOS 7, in compliance with the architecture foreseen during the upgrade. storerich01...
TestBeamOct2019 @ DESY This section will summarize the main documents, informations and results of the October/November 2019 testbeam. A fiber based telescope was...
LHCb plots for 2018 data X(3872) in pPb/Pbp: Fit to the Jpsi pi pi invariant mass distributions to determine the yields of X(3872) in pPb/Pbp at 8.16 TeV. The invariant...
MuDAQ MuDAQ (micro DAQ) is a readout environment that performs similar functions to the LHCb miniDAQ environment. It is a lower cost alternative intended for smaller...
The LHCb Upgrade Silicon Strip Common ASIC SALT (Silicon ASIC for LHCb Tracking) People Activity conveners: Idzik (AGH UST UT PI and SALT Project Coordinator...
Project Scope Development of an SiPM based multichannel array photon detector for the SciFi Tracker upgrade. The detector part includes also a flexible PCB and connectors...
Tracking and Alignment Plots for Conferences Tracking Muon tracking efficiency Plot Description Track reconstruction efficiency for 2012 and...
Precision Timing ECAL for Upgrade II Talks Upgrade Ib/II calorimeter meeting. 23rd, 2018 (By A.Davis) Upgrade Ib/II calorimeter meeting. 8th, 2018...
LHCb Software Training LHCb Starterkit StarterKit: First Steps in LHCb LHCb data flow, DST exploration, LoKi Functors, DaVinci and Ganga introductions....
A list of talks at Tracking, Alignment and Vertexing conferences can be found in this table Year Conference Speaker Title Talk/Poster...
System Twiki Mailing list Reconstruction Alignment/Calibration VELO Hutchcroft Borghi, Giulio Dujany TT LHCbST lhcb inner...
Welcome to the LHCb Computing page Do you have a question and are looking for an answer? Try the Q A website Project Management Computing Project Management...
This page is describe the main differences between the old LbScripts/LbLogin environment and the new LbEnv one. Use Case LbScripts LbEnv change current...
Naming conventions and port numbers Install the MiniDAQ (ECS DAQ) project from scratch Create a new WinCC project. Copy the fwInstallation folder into the project...
Reference manual Chimaera2 is a readout board designed to receive binary hit data from 128 digital channels through a high density connector. The readout logic is...
LHCb National Computing Board This page is devoted to the activity of the LHCb National Computing Board mandate Table of Contents NCB Composition The NCB membership...
LHCb Operations This page is essentially a set of links. Operations Planning Group The OPG meets on Thursdays at 9h30. See here for agendas and minutes. The archives...
Usage The access to the results is done by going to special page. Additionally the previous results are available on this page A few points should be explained to...
OPC UA servers General information and the links to the installers for the OPC UA servers, compatible with CentOS 7, can be found at http://lhcb online.web.cern.ch...
BEWARE This page is obsolete and has been superseded by the new Release Guide. Software Release Guide Special Instructions and troubleshooting Installation on AFS...
List of approved plots for WP2 Title Link in CDS Date Evolution of the upgrade LHCb HLT1 throughput https://lhcbproject.web.cern.ch/lhcbproject/Publications...
List of approved plots for WP4 Title Link in CDS Date First study of the VELO pixel 2 half alignment https://cds.cern.ch/record/2688231?ln en Sep...
The procedure to archive LHCb software release can be found here
List of approved plots for WP6 Title Link in CDS Date
List of approved plots for WP1 Title Link in CDS Date
List of approved plots for WP5 Title Link in CDS Date Tracking efficiencies prior to alignment corrections from 1st Data challenges https://cds.cern...
List of approved plots for WP3 Title Link in CDS Date Breakdown of the current Hlt 2 reconstruction throughput rate for the LHCb upgrade. http:...
Differences between Sim09 versions Below is a list of all Sim09 versions, quickly describing new features and known issues. Fixes to problems of previous versions...
Talks Model Discussion Meeting. 2019.09.03 Internal Discussion 2019.05.15 Useful Links Calo Event Model Calo Software container toturial Array of structures and...
LHCb Conditions Database Browser Table of Contents Introduction The Conditions Database Browser (CondDBBrowser) is a Graphical User Interface (GUI) that can be...
LHCb Conditions Database Browser (OBSOLETE, COOL version) WARNING : This page refers to the version of the CondDBBrowser shipped with LHCb CondDB Browser main window...
LHCb detector performance paper Status of LHCb sub system detector performance paper Sub System Contact Person Number Link Reviewer Reviewer...
The prototype FSM is running on pclhcb33 in the elmb project GiovanniCavallero 2019 09 05
Introduction Detailed development conventions are descrived at https://edms.cern.ch/ui/#master/navigator/document?P:1414255486:100275477:subDocs, summarised in the...
AlessandroPetrolini 2019 07 27 HW commissioning HV crates Currently there is one crate from production registered on the network database: LBRICH CAEN SY4527...
PDMDB The information provided here complements the information found in Documents motherboard TCM/DTM plug ins The RICH PDMDB provides the configuration and...
ParasNaik 2017 05 16 ClaireProuve 2015 07 18 Running the Online RICH mirror alignment How to run the Alignment from the PVSS panel Before running XML file...
ParasNaik 2017 05 16 ClaireProuve 2015 07 18 Code for the Online RICH mirror alignment RICH mirror alignment project and package overview The alignment package...
Talks WP4 5 meeting, 2019.08.22 Internal Discussions http://hep.tsinghua.edu.cn/indico/event/117/contribution/4/attachments/240/291/report.pdf 2019.05.15...
DIRAC Grid Storage Quota A similar tutorial on working with your grid quota in ganga is given in GridAndDataManagement. Before executing the commands in this tutorial...
RICH Upgrade Database Inventory, Bookkeeping and Connectivity Database project A note describing the functionalities of the database (DB) is available at https:/...
This documentation is a documentation for Gaudi based project maintainers. If you are only a user or a developer, you should have a look at GaudiCMake315Configuration...
Version controlled LaTeX documents in LHCb This is about git based solutions. svn is being retired on 21 February 2019. The obsolete documentation for svn can be found...
This documentation is the updated version of https://twiki.cern.ch/twiki/bin/view/LHCb/GaudiCMakeConfiguration and is based on 3.15. It was written after the modernization...
This page contains information on how to configure the system and to take data in the SysLab. Setup the system from scratch Switch on lbminidaq2 13. Type lspci...
LHCb Computing Upgrade This is the entry point for all activities related to Computing for the LHCb Upgrade. Upgrade Software Planning Group (USPG) The USPG was formed...
Please see: https://cern.ch/lbdevops/
Optical fibres for ComLab These sketches show the proposed fibre connections for the full column commissioning set up. To zoom in with your browser it is best to right...
Test data Web pages are under development which wil provide summaries of the test results. They are likely to change without warning and are not likely to contain...
This documentation is deprecated since Gaudi v33r0. See instead: https://twiki.cern.ch/twiki/bin/view/LHCb/GaudiCMake315Configuration Introduction CMake is an Open...
Test Beam for the LHCb Upgrade Silicon Tracker This page is about Test Beam for the LHCb Upgrade Silicon Tracker. The dates are scheduled in this presentation: meeting...
Run 2 trigger changelog This page tries to collect the key changes that occurred in the L0, HLT1, and HLT2 systems throughout Run 2 that may be particularly relevant...
Idea To be able to process data at 30 MHz, the possibility of running the full HLT1 on GPUs is currently being studied. The repository of the project is Allen. A...
LHCbPR Performance and Regression Tests Introduction LHCbPR is responsible for systematically running the regression tests, collecting and comparing results of these...
Recommended LoKi::Hybrid Functors This lists the filters recommended for use in the HLT and the selections. See DaVinciTutorial4 for a hands on tutorial. A longer...
This page is obsolete. See the Starterkit for getting started with LHCbDIRAC: https://lhcb.github.io/starterkit lessons/first analysis steps/bookkeeping.html
Vac Configuration for LHCb This page explains how to run LHCb virtual machines on Vac factory machines. Please see the website for Vac`s Admin Guide and man pages...
LHCbSAM for ETF This page describes how to maintain the LHCbSAM probes used with Nagios within ETF. The results of these probes are used to generate the monthly WLCG...
TestFileDB, a database of test files for use in automated software tests The TestFileDB is a small python database of PFNs of files used for automated software tests...
Work package: Frames and Infrastructure Chairs: Blake Leverington (Frames), Sune Jakobsen (Services) C Frame Integration Engineer: Thomas Mittelstaedt Documents...
Building the statistics tables for Monte Carlo simulations. Foreword The user of a Monte Carlo sample is interested in a number of efficiency values to make sense...
Muon Alignment Links to past presentations detector spatial alignment with 2016 collision data Stefania Vecchi June, 6th 2016 detector spatial alignment...
LHCbDirac Data Management commands This page describes the usage of the LHCbDirac data management (DMS) commands. As they interface may vary with time and introduction...
PatriziaDeSimone 2019 07 04 Muon LHCb DAQ General informations This page is intended to be a repository of documents about the LHCb Muon data preparation. The upgrade...
LHCb Muon Software Pages These pages contain a guide to the LHCb Muon software activities. Home Page and Muon Home Page Muon software tasks Event model review...
PatriziaDeSimone 2019 07 04 Tools Packages Muon/MuonMoni{Sim, Digi, Rec} are available in order to monitor the sim/digi/rec phase of the production for what...
LHCb MuonID General informations This page is intended to be a repository of documents, discussions and meetings about the LHCb Muon Identification Procedure Mailing...
PatriziaDeSimone 2019 07 04 Muon LHCb geometry General informations This page is intended to be a repository of documents about the LHCb Muon Geometry. The most...
PatriziaDeSimone 2019 07 04 Muon LHCb Simulation General informations This page is intended to be a repository of documents about the LHCb Muon Simulation. One of...
PatriziaDeSimone 2019 07 04 Muon LHCb ReadOut maps General informations The upgrade phase 1 foresees for the muon system a different granularity readout: 1) new...
LHCb Vcycle LHCb uses Vcycle to manage resources on the CERN and Yandex OpenStack sites. Currently lbvobox200 hosts the Vcycle agent. Vcycle is not part of DIRAC and...
Welcome to the LHCb UT electronics test page This twiki collects information about the UT electronics slice test and 8 channel prototype SALT ASIC Collection of related...
Particle Selection Toolkit Introduction This wiki explains the use of new python wrapper classes that are intended to simplify both the writing and use of particle...
Simulation in LHCb This page is intended to hold fast evolving information on the simulation and to allow contributions by all. More information is available from...
LHCb U2 Calorimeter Upgrade Page Introduction UNDER CONSTRUCTION Ongoing studies What Who Where Precision Timing ECAL for Upgrade II Z. Xu, P. Robbe...
Code Analysis Tools This page contain a guide to using various code profiling and analysis tools on the LHCb software. Please feel free to add any information to this...
Apr 2006 12971 113 2 2096 WebRss 315 RareDecays 299 LHCbComputing 274 Production 263 LHCbTaskForce 261 DiracProject 224 ComputingModel...
Gen/GenTune Monte Carlo (MC) Generators tuning with Rivet in Gauss For an introduction to RIVET , Professor and their current state of implementation in LHCb please...
Welcome to the LHCb Alignment Web Page Alignment Subtasks Former conveners: Lucia Grillo, Agnieszka Dziurda, Francesco Polci, Giulio Dujany Alignment software...
General LHCb Tracking Wiki Page Run 1 2 Performance WG The tracking alignment WG has been merged with the PID CO WG to form the Run 1 2 Performance WG. Please...
Muon Tracking Efficiencies RenataKopecna1 MichelDeCian Electron Detection and Reconstruction Efficiencies (For details see Electron tracking efficiencies...
Ultra Fast Simulation of LHCb Review of the beta version The aim of the review is to evaluate the status of the software in view of a beta release of Delphes in Gauss...
SciFi test procedures and commissioning Module Assembly and QA at CERN https://twiki.cern.ch/twiki/bin/view/LHCb/SciFiFibreModulesQA Cframe Commissioning The goal...
PID Plots for Conference Run 2 Muon ID with MVAs Contact: Kazeev Plot Description Muon efficiency vs pion rejection after applying IsMuon IsMuonUnbiased...
OBSOLETE Prototype of LHCb Software installation with RPM/YUM Introduction In order to test possible alternatives to install project for the release of LHCb software...
RICH Organization Project leader: D`Ambrosio Deputy project leaders: McCann, Rob Jones Operations Coordinator: Gambetta Institutes participating in RICH project...
During the LHCb Core Software meeting of the 12/12/2018 (https://indico.cern.ch/event/779237/), in view of the upcoming deployment of the new environment configuration...
Three testing phases: 1. Viisual inspection and basic powering test using Philip`s board connected to testing edge connector. 1. Basic set up of board....
Top level PC Microcontroller commands RESET Command for doing general reset of test system. Cutoff all power, end all tests, re initialise TEST BOARD RESET...
Oxford tester board commands Always acknowledge commands Command format Line by line Sequence number Command Data 0000 Command Response\n Match...
Amplitude Analyses of B hadron decays to Open Charm This is the B2OC subgroup focusing on amplitude analyses of B decays to charm final states. Your current sub group...
Tracking Alignment Liaisons page The LHCb liaisons page can be found here Mandate The tasks or a liaison for the Tracking Alignment group includes: Attend...
IllyaShapoval 21 Mar 2013 LHCb Conditions Database pages Introduction GitCondDB Getting started (obsolete) CondDB FAQ (needs revision) Publications...
Reporting bugs in LHCb software You should report bugs, make feature requests, or track your own tasks using one of the following Jira trackers: https://its...
Work package: Front End tester Scope Develops, manufactures and fully characterizes the Read Out Box electronics tester. incl. the specification, user descriptions...
LbSoftConfDb2 Architecture LbSoftConfDb2 is web service that provides a Neo4j database used to store the dependencies of the LHCb software projects. The project is...
Goals As fast as possible and complementary to forward.... Responsible/Proponents Sevda Esen (sevda.esen at cern.ch) Michel De Cian (michel.de.cian at cern.ch) Software...
How to create a new Data Management transformation Introduction dirac dms add transformation is a script allowing to create many types of DMS transformations such...
LHCbDirac transformation plugins Introduction The LHCbDirac transformation system provides a large set of plugins that are used to create tasks from a list of files...
ParasNaik 2014 10 24 AnatolySolomin 2009 07 16 RICH mirror alignment monitoring via software by the use of real data (Online, in real time) Introduction History...
Task List for New Arrivals For newly arriving people at the Point 8 Assembly Hall (Bldg 3852) the following items should be completed BEFORE arrival, if possible...
Delivery Information Note: Deliveries cannot be made directly to Point 8, but have to go via the CERN Pr...
Technical criteria for LHCb T2 D sites: The criteria that T2 D sites agree to meet are set out in the LHCb internal note on T2 D sites, and are reproduced here:...
OBSOLETE LHCb Nightly build slots lhcb future URL https://lhcb nightlies.cern.ch/nightly/?slot lhcb future Definition svn ssh://svn.cern.ch/reps/lhcb...
Please discuss with the Moore release manager (Rosen), before proceeding to these steps Prerequisite You should already have created the new TCKs after following...
LHCb plots for 2018 data PbPb annd PbNe Plots (approved 27th November 2018) Plot Description The invariant mass distribution of $\mu^ \mu^ $ reconstructed...
IllyaShapoval 28 Aug 2012 Welcome to the LHCb Conditions Database Web Portal page Introduction The CondDB web portal interface is built on top of the Release Notes...
RICH Run 2 performance paper Here we will list the progress towards a RICH performance paper for Run 2 General structure We need to talk about the things that go...
TupleToolGeometry: vertex, impact parameter, flight distance, etc. info Decay vertex (ENDVERTEX) location for reconstructed particles Primary vertex (OWNPV...
web site page LHCb RICH TWiki page Welcome to the LHCb RICH TWiki web page Here are some links to help you quickly navigate: RICH Organization Reports...
Analysis preservation and reproducibility CERN Central Analysis Preservation The central analysis preservation services and https://reana.readthedocs.io/en/latest...
Module test board Test board modifications This is a list of modifications made to the test boards to correct hardware bugs. They must be implemented on new boards...
LHCb Conditions Database Browser (for COOL/SQLite) Since end of Run2 LHCb does not support COOL based Conditions Databases . All active branches support GitCondDB...
Recommended DataBase tags Introduction This is based on Thomas Ruf`s at T rec on 13/7/09. Which database tags should I use? As a general rule, for real data it should...
Note: when finalised. this should all be documented in an EDMS document All major items (e.g. modules, cold boxes, electronics, cables, etc.) shall be identified...
RicardoVazquezGomez 2015 06 03 Stripping project description The stripping project has been moved to gitlab: https://gitlab.cern.ch/lhcb/Stripping and contains the...
TurboSP paper The TurboSP paper describes the evolution of the Turbo processing model since the paper. This page gives some information on the document. The source...
This is obsolete SVN will be retired. This is the old documentation. Refer this page instead. https://twiki.cern.ch/twiki/pub/LHCb/OldLHCbDocs/LHCbDocs.jpg Using...
LoKi`s Particle Functions This lists a lot of the LoKi Functors. See DaVinciTutorial4 for a hands on tutorial. A list with examples of use in CombineParticles can...
T2 D Commissioning procedure This page outlines the administrative and technical steps needed to commission a site as a T2 D (`a Tier 2 with Data`). The site...
LHCb Stripping page Processing passes for all Stripping productions An exhaustive list of the processing passes including database tags, DaVinci versions etc can...
RicardoVazquezGomez 2016 09 07 Test a Stripping line with git (work in progress) # PLEASE DO NOT USE THESE INSTRUCTIONS, INSTEAD FOLLOW https://its.cern.ch/jira...
Calorimeter Upgrade II Full Simulation Study Ecal background study The materials of 5/11/2018 meeting: 25ns background.pdf: the species, energy flow, transverse...
!!! PAGE NO LONGER MAINTAINED. KEPT FOR HISTORICAL REASONS !!! Physics Analysis Software Packages Introduction The table below lists all packages used in physics...
!!! PAGE NO LONGER MAINTAINED. KEPT FOR HISTORICAL REASONS !!! DaVinci Configuration Introduction Since DaVinci v22r0 the run configuration can only be done using...
Simulation studies to investigate the effects of radiation dose on the LHCb SciFi detectorOle Gerber (Masterarbeit, TU Dortmund,2018) Study of the angle dependent...
PatLongLivedTracking Goal Description for PatLongLivedTracking, used to reconstruct Downstream tracks in Run II of LHCb. Proponents Adam Davis, Michel De Cian, Adam...
Introduction GitCondDB is the new backend for condition data in LHCb. Concept The idea is simple: map time evolution of conditions data on a filesystem hierarchy...
Review RICH electronics review Indico page Contains links to review documents and reviewers report. RICH PDMDB EDR Indico page Contains links to review documents...
Layout and coverage Title Description Graphic / links (click image for full size) Station layout Title Description Graphic / links (click...
TWeeder info for LHCb Total Number of topics: 2912 29 Topics updated during the last 7 days Days Web Topic Date S7 LHCb RichTestBeamMiniDaq...
Work package: Fibre Procurement and QA WP leader: Christian.Joram #64;cernNOSPAMPLEASE.ch Team at CERN: Ana Barbara Cavalcante (until August 2016), Biplab...
SebastianBachmann 2016 04 27 The link to the Production Database is https://scifi.physi.uni heidelberg.de/db/prod/ . Informations on registration and usage of the...
Documents Fibre Mat Production Bible : v1, April 2016 v2, Jun 2016 v3, Sep 2016 Link to Thomas Kirn`s website: http://accms04.physik.rwth aachen...
Fibre Mat Inventory Overview of fibre mats `good mats` mats that are used in modules etc or which are meant to Name Nickname Fibres used Winding...
Work package: Fibre Mats and Module WP leader: Blake Leverington (b.leverington at cern.ch) WP deputy leader: Thomas Kirn (kirn at physik.rwth aachen.de) Scope...
TestBeamOct2018 This section will summarize the main documents, informations and results of the October 2018 testbeam. A fiber based telescope was installed in...
TestBeamOct2017 This section will summarize the main documents, informations and results of the October 2017 testbeam. A fiber based telescope was installed in the...
Testbeam from November 2015 This section will summarise the main documents, informations and results of the November 2015 testbeam for EPFL. A fibre based telescope...
This section will summarise the main documents, informations and results of the May 2016 testbeam. A fibre based telescope was installed in the testbeam area. The...
TestBeam July 2018 SciFi for SHiP Charm Instructions Step 0 : Blow compressed air (pressure should be 6 bar or more) Step 1 : Set speed ethernet connection...
SiPM Model with Mirco simulation file Requisite If you want to use directly the generated verilog a file you only need Cadence and the SiPM model. You can download...
Studying when starting the integration Requirement You need to have: a test bench with the full analog processing chain the values for t0 should run over...
SiPM Model SiPM model The model used is extracted from S. Seifert et al , `Simulation of Silicon Photomultiplier Signals`, IEEE trans. on nucl. science, vol....
Project Scope To study the viability and radiation hardness of baseline scintillating fibers for the scintillating fiber tracker upgrade. Indico Meetings Page Goals...
General Information 1 You need a DESY indico account. This is not your CERN indico account. It takes a couple hours for someone to approve it. Then fill in the...
SciFi Tracker Testbeam November 2016 Instructions for Shifters Arrive promptly! Discuss previous data taking with current shift crew. Determine the...
SciFi Tracker Test Beam November 2015 Instructions for shifters! Week1: No shifters. Just PACIFIC experts. Week2: TBD Shift List The shift list can be found here...
SciFi Software for the Tracker upgrade `To boldly go where no tracking detector has gone before.` (O.G.) FT versions Version Subversion Layer design...
Task: SiPM Support Task coordinator: Guido.Haefeli #64;epflNOSPAMPLEASE.ch Deputy: tbd Scope The tasks ensures the availability of expertise for the...
Reviews and Documents Production Readiness Reviews (PRR) The referee reports from PRRs and some EDRs are stored centrally (LHCb) here . Mat Production Aachen...
Work package: Readout box (aka ROB) WP leader: Jeroen.van.Tilburg #64;cernNOSPAMPLEASE.ch Scope The work package deals with the development and building of the Readout...
FTv5 updated Monolayer design with dead regions and SiPMs This version is an improved design of FTv4 with new features: updated dimensions all Modules have...
Task: High Voltage Task coordinator: Guido.Haefeli #64;epflNOSPAMPLEASE.ch Deputy: tbd Scope The tasks consists in providing and testing the HV (SiPM...
Main Changes to the FT description: Should be a TWiki page, extend knowledge of experts to others, include links Zip file of material information brochures and MSDS...
Frequently Asked Questions Why is a silicon detector not used around the beampipe? It was decided to instrument the downstream tracking stations with a single technology...
Work package: Electronics WP leader: herve.chanal #64;cernNOSPAMPLEASE.ch Scope Develops, manufactures and fully characterises the PACIFIC ASIC, the motherboard and...
18 June simulation files 100 events, minBias ColdAreaSiPMChannels.txt: SiPM 0 to 15 module 0 layer 0 HotAreaSiPMChannels.txt: SiPM 0 to 15 module...
Design specifications, development environment and maintenance constraints SiPM Model For the analog simulation a model of the SiPM has been developed in verilog...
Board requirements / Functions Hold the readout electronics for several SiPMs: 4 or 8 ? Feed the biasing Voltage to the SiPMs (biasing resistor and coupling...
Components info, datasheets, and PCB manufacturers (materials, manufacturing process, constraints) DC/DC converters DC/DC converter will be used to provide the...
Date Meeting URL Other 17/10/2013 SiPM Cooling Workshop Page Summary 10/10/2013 SciFi Tracker Meeting Page 04/09/2013 SciFi Tracker...
June 4th Update The first task: To estimate the Flex cable length (my suggested version), will come Thurs June 6th. In terms of our schedule (for the HEP Imperial...
LHCb FT SiPM Cooling workpackage Mandate As defined at the Workshop (April 2013) ( summary): PG advises, simulates. Imperial: engineering design and construction...
June 4th Update A quote was received from the Austrian supplier for a 2m long, 50cm wide dummy sandwich in May? (April?) Check this. probably we will receive...
Please add/modify the text as you wish Link to the Tracker TDR Introduction: a. Detector Layout in Sec. 3.3 of TDR: 3 stations, with four detection layers...
EDMS Engineering Documents (Drawings and Models) ItemEDMS FolderUpdated byFileLast ModifiedFinal/In Work SciFi Tracker LHCB 0581 ROBBERT CORNELL WALET Equipped...
SevdaEsen 2016 04 20 Meetings (short summaries by Yasmine) 2012 12 05 : Seventeenth meeting : Agenda Olivier summarized the studies needed for the ST viability...
Milestones as project planning old SYSTEM item milestone 2014 Sept 2015 number fraction achieved integral comment RICH CLARO Front End...
Meeting 29 January 2014 Participants: Georg Schwering (Aachen), Guido Haefeli EPFL), Pascal Perret (Clermont Ferrand), Nicoleta Dinu (Orsay), Antonio Pelegrino...
Meeting 17 January 2014 Participants: Georg Schwering (Aachen), Guido Haefeli EPFL), Pascal Perret (Clermnt Ferrand), Nicoleta Dinu (Orsay), Marcel Merk (Nikhef...
SciFi Software for the Tracker upgrade `To boldly go where no tracking detector has gone before.` (O.G.) FT versions Version Subversion Layer design...
Neutron shielding SciFi SiPMs noise rate in the SiPM of the Fiber Tracker (LHCb INT 2012 033) digitisation of the scintillating fibre detector (LHCb PUB...
The Prototype SciFi C Frame The List of Prototype C Frame Parts 1 Full structural mechanics (I beams and mounting plates), Plan A (extruded) and Plan B (assembled...
Task: Novec Plant Task coordinator: Christian.Joram #64;cernNOSPAMPLEASE.ch Deputy: Lukas.Gruber #64;cernNOSPAMPLEASE.ch Scope CERN (EN/CV group, O....
Task: C frame Mechanics Task coordinator: Thomas Mittelstaedt mittelstaedt #64;physiNOSPAMPLEASE.uni heidelberg.de Deputy: Alessandro.Saputi #64;cernNOSPAMPLEASE...
Task: Low Voltage Task coordinator: magali.magne #64;clermontNOSPAMPLEASE.in2p3.fr Deputy: wilco.vink #64;nikhefNOSPAMPLEASE.nl Scope The tasks consists...
Light Injection Support BlakeLeverington 2018 02 14
Task: Insulation Vacuum Task coordinator: Christian.Joram #64;cernNOSPAMPLEASE.ch Deputy: Lukas.Gruber #64;cernNOSPAMPLEASE.ch Scope The distribution...
Task: FE electronics Task coordinator: Xiaoxue HAN Deputy: W. Vink, Mauricio Feo Scope The tasks comprises the mounting of the FE electronics on the...
Task:Dry Gas Flushing System Task coordinator: Christian.Joram #64;cernNOSPAMPLEASE.ch Deputy: Lukas.Gruber #64;cernNOSPAMPLEASE.ch Scope The cold boxes...
Task: Data Acquisition Task coordinators: Olivier Le Dortz (ledortz #64;in2p3NOSPAMPLEASE.fr) Scope ChristianJoram 2017 11 21
Task: Water Cooling Task coordinator: Christophe.Insa #64;clermontNOSPAMPLEASE.in2p3.fr Deputy: Augusto.Sciuccati #64;cernNOSPAMPLEASE.ch Scope The tasks...
Task: Cables and communicaiton fibres Task coordinator: M. van de Kraats Deputy: M. Magne (tbc) Scope ChristianJoram 2017 11 21 ChristianJoram...
Task: Geometrical Survey Task coordinators: Fred.Blanc #64;epflNOSPAMPLEASE.ch, B.Leverington #64;cernNOSPAMPLEASE.ch Scope ChristianJoram 2017 11...
Task: System Commissioning Task coordinators: Fred.Blanc #64;epflNOSPAMPLEASE.ch, B.Leverington #64;cernNOSPAMPLEASE.ch Scope Foreseen manpower Valery...
Physics Performance, Trigger, Stripping Approved Plots for Conference The PPTS meeting has been cancelled and replaced by an Operation report at the Tuesday meeting...
Various announcements by Dorothea Roundtable: Brij: downstream tracking, interested in porting the project from CUDA to openCL Constantin: Kalman...
BlakeLeverington 2018 11 27
PDMDB production testing The RichPdmdbModuleTesting and RichPdmdbTesting topics address respectively the plugin module (TCM, DTM) production testing and the PDMDB...
LHCb Conditions Database How To Overview The aim of this page is to collect examples and instructions to allow the users of the LHCb Conditions Database (CondDB...
LHCb Global Particle ID (PID CO Working Group) PID CO contacts Convenors: Martino Borsato, Jean Fran...
Overview Shift OrganisationA GEOC shift lasts for a full week from Monday to Sunday. Before starting at shift s/he shall check that ...
Instructions for Alignment piquets (covering VELO, Tracker, RICH, Muon, and Calo calibration) General Information and useful telephone numbers Piquet assignment...
LHCb BBQ aera reserving area Group Contact Person Responsable Person PhoneNumber Date Time Comments Status LBC Niko Neufeld...
HLT piquet guide: new Moore versions and TCKs There are many interdependent parts of the online system so it is important that we follow the procedures outlined on...
Run II Data Alignment Automatic update of the constants The automatic update of the constants was switched on the 23/10/2015 for the VELO and the 3/11/2015 for the...
LHCb trigger twiki pages General information Meetings : We have our weekly trigger meeting on Friday afternoon at 15:00 in 2 R 30. See the indico listing....
The HLT Piquet Guide First Steps This page tries to help prepare you for your first HLT piquet shift. Some of the steps listed should be followed before the first...
Stripping coordinator`s cheatsheet What is an rDST When data is collected from the LHCb detector, the raw data will be transferred to the LHCb associated Tier 1 sites...
LHCb Book keeping This page collects links to information about the LHCb book keeping system. Accessing the book keeping To access the book keeping, you must have...
PanLing 2018 10 27
Comments the TurboSP paper Version 1.1 Sent on 6th September 2018. Agnieszka Dziurda Comments without replies have been addressed. General/Major The previous...
JRichTBTrigger This program is used to set up the DAQ trigger sources. It can be run standalone but it should normally be started from JRichEcControl. Software...
RICHECKIT This topic gives general information about the suite of programs used to operate the RICH beam test and lab DAQ systems. More details about the various components...
This tutorial is obsolete, the LHCb tag collector is no longer used The new Tag Collector Interface The new Tag Collector Interface, includes authentication, so...
Various announcements by Daniel Campora Presentation on the status of muon ID by Mikhail Belous: reading hit information and catboost evaluation Roundtable...
Review of the paper on ReDecay This page is intended to gather the information on the review process of the paper. All versions can be found below. Preliminary list...
RuiWang1 2018 10 17
LHCb PyPI server LHCb has its own instance of a PyPI server hosted EOS. If you want to browse the packages, you can do it via a web browser at https://lhcb pypi.web...
Setup The setup for the 2018 testbeam is composed by a PDM R and a PDM H, being to the right and to the left of the beam line, respectively. Each PDM is composed...
General information CondDB Project Management Team Current CondDB and CondDB Upgrade management team consists of the following people: Marco Clemencic, Liang Sun...
RICH beam tests This topic is the container for all RICH beam test activities. Separate topics exist specific to certain configurations: Links Test beam...
ReDecay, a method to re use the underlying events This page is intended to collect practical information on using ReDecay. This includes both the a quick overview...
Reserving BBQ area BBQarea Friday Relax on Thursday 18:00 Friday Relax RolfLindner 2018 07 04
Recommended Early Data Samples This page has moved to https://lbtwiki.cern.ch/bin/view/Computing/VeryFirstData PatrickKoppenburg 19 Sep 2008
Run 2 Production Management This page shall provide special infos for production management of data processing during LHC Run2. For general info on production management...
LHCb RICH Data Quality This page summarises the efforts of the RICH Data Quality with instructions for the RICH and the RICH DQ piquet. The RICH DQ piquet can be done...
Last Published Publisher TWikiGuest Date 18 Aug 2008 16:50 {PublishContrib}{Dir} /afs/cern.ch/project/twiki/production/twiki/export/ {PublishContrib}{URL} https...
June 2009 Reports the main 30th June (Tuesday) Experiment activities Intervention yesterday took longer than expected. Back into production in the afternoon...
Production Management This page shall provide information for operational procedures for production managers Introduction LHCb executes different kinds of job types...
Getting Productions to 100% Assuming there is no external problems, when a production starts, and Data Quality shifters follow it, It is usually easy to reach a...
LHCb Bookkeeping commands The LHCb Bookkeeping allows many queries from the command line interface. Many of them use the DMS option switches. Note that the output...
Minutes of the Data Quality Meeting of Friday 5 September 2008 agenda page Brunel online Johan reports about his attempts to run Brunel on the monitoring farm...
Minutes of the Data Quality Meeting of Friday 29 August 2008 agenda page Procedure Patrick presented a second iteration of the DQ procedure, shifts and meetings...
Minutes of the Data Quality Meeting of Friday 22 August 2008 agenda page Procedure Login problems prevented PK from uploading transparencies. An updated version...
Minutes of the Data Quality Meeting of Monday 11 August 2008 Histogram Analyser Giacomo presented the histogram analyser used online. The transparencies are here...
Minutes of the Data Quality Meeting of Monday 14 July 2008 Calibration Stream In the meeting last week we discussed about the need for a hot stream of calibration...
Minutes of the Data Quality Meeting of Monday 7 July 2008 Offline Monitoring Muon PID Discussion about the best place to run the high level muon monitoring using...
Minutes of the Data Quality Meeting of 30 June 2008 Problems database We need to create a problems database to log all problems encountered while running. Typically...
LHCb Data Quality Shift Page The DQ pages have moved to https://lbtwiki.cern.ch/bin/view/Computing/DataQuality . PatrickKoppenburg 16 Sep 2008
LHCb Data Quality Procedures for 2008 The DQ pages have moved to https://lbtwiki.cern.ch/bin/view/Computing/DataQuality . PatrickKoppenburg 22 Aug 2008
LHCb Data Quality Problems Database The prototype of the database using Savannah is here. The DQ pages have moved to https://lbtwiki.cern.ch/bin/view/Computing...
LHCb Data Quality Monitoring histograms The DQ pages have moved to https://lbtwiki.cern.ch/bin/view/Computing/DataQuality . PatrickKoppenburg 18 Aug 2008
LHCb Core Software Meeting Date and Location 23 Nov 2011 10:30 11:30 CERN (2 R 030) Attendees Alex Grecu, Ben Couturier, Gloria Corti, Hubert Degaudenzi, Illya...
LHCb Core Software Meeting Date and Location 16 Feb 2011 10:30 11:10 CERN (2 R 030) Attendees Gloria, Hubert, Illya, Joel, Karol, Marco Cl. (minutes) Subjects...
Here`s an example of how to check or MuIDMonitor plots with presenter: (see also instructions from https://twiki.cern.ch/twiki/pub/LHCb/CheckMuonIDWithPresenter...
Calibration Requirements using Reconstructed Data The DQ pages have moved to https://lbtwiki.cern.ch/bin/view/Computing/DataQuality . PatrickKoppenburg 15 Jul...
25ns run Trigger Trigger statistics on 2186 Hlt2 eff is 120.232%. Assuming it is already applied at 3000 kHz. Using 5936 events. Normalisation factor is 0....
The TESLA project Mailing list: lhcb tesla Charge To process the output of the Hlt from the Turbo stream for physics analysis. Streams In 2016, streams were introduced...
The HLT piquet guide First Steps If you are a new HLT piquet shifter, read setup instructions here. Some of the steps listed should be followed before the first shift...
Making a MC version of an existing data TCK First, check out the head of HltTCK, and then run iTCKsh from the prod (or latest) version of Moore (independent of the...
ParasNaik 2017 05 22 RICH detectors` mirror alignment monitoring via Online software: Information for all shifters, piquets, and experts Some information may appear...
LbSoftConfDB2 Useful information: Main project Git repo: https://gitlab.cern.ch/lhcb core/LbSoftConfDB2 Migration package Git repo: https://gitlab.cern.ch...
LHCb TCK pages This page contains the procedure to follow when an existing TCK (L0 HLT) needs to be modified: Uploading a new L0 TCK into the hardware via PVSS...
How do I run the HLT2 without PID selections? (NB: There may be other ways to do this. Check with your supervisor or WG MC liason if you are unsure.) (The following...
How to modify the HLT TCK Introduction to TCKs and Manifests The Hlt configuration lives in $HLTTCKROOT/config.tar, which contains all configurations ever deployed...
HltActivities: Hlt Selection Framework Subtasks Run Combine Particles in functional framework Benchmark particle selection (CombineParticles) Develop...
3.1 : Implementation of control and data flow in Gaudi Scheduler Lead group HLT Participating groups HLT, Computing Description Implement a...
Talks relating to LHCb computing This page is a placeholder for a list of talks about LHCb computing. Please feel free to add any material you are aware of....
Backplane Mapping Results Documentation EDMS: https://edms.cern.ch/document/1889222/1; Contact: Zishuo Yang (yangzs #64;umdNOSPAMPLEASE.edu) Introduction...
ECGD Mentoring at LHCb LHCb has a mentoring programme, to help put early career physicists in touch with more experienced colleagues. (This is complementary to the...
Presentation on the current status by Dorothea vom Bruch In Alice: Kalman filter running on GPU in single precision, including extrapolator, but they have a solenoidal...
Hit Decoding and Muon ID Matching Decoding Nuria Valls Canudas and Albert Pernia Vazquez work on this (summer 2018). Muon ID Matching Yandex team works on this...
Decoding and Track Reconstruction for the SciFi Decoding Lars Funke and Holger Stevens work on this (summer 2018). Tracking Vladimir Gligorov works on running...
Hit Decoding, Clustering and Track Reconstruction for the Velo Decoding Implemented by Daniel Campora on the GPU. Clustering Masked clustering by Daniel Campora...
Hit Decoding and Track Reconstruction for the UT Decoding Alberto Ottimo works on this (summer 2018). Tracking Placido Fernandez Declara isolated the current VeloUT...
5 : PID upgrade activities 5.1 : Muons 5.1.1 : Lead group PID CO Participating groups Frascati, CERN Description MuonID optimisation...
SciFi Software review Planning Assign reviewers Blake, Albert, Gloria and Marco Make documentation available. Deadline: end of Nov 2017. Open meeting...
Electronic for the LHCb Upgrade Scintillating Fiber Tracker TWiKi ...
Stripping lines from mDST streams that have FT enabled Stripping34 (2018 patches) Stream Line name Bhadron StrippingB2pphh kkLine Bhadron StrippingB2pphh...
Task: BCAM alignment control and monitoring Contact: Scope LukasGruber 2018 07 06
Task: Data acquisition infrastructure controls and monitoring Contact: Lukas.Gruber #64;cernNOSPAMPLEASE.ch Scope LukasGruber 2018 07 06
LHCb BBQ aera reserving area Group Contact Person Responsable Person PhoneNumber Date Time Comments Status RolfLindner...
LHCb Technical Coordination Wiki LHCb Installation List of people working at the pit during installation (obsolete) schedules Planning Activities...
ParasNaik 2016 04 12 git instructions for the RICH mirror alignment Because we are no longer using SVN. Table of Contents Nota Bene NEVER edit the code directly...
Measurement of mats used in the SciFi test beam July 2018 blub bla yes RobertEkelhof 2018 07 02
LHCb SciFi Tracker Test beams Organisation 2014 CERN SPS 2015 CERN SPS 2016 CERN SPS Feb. 2017 DESY T22 Aug. 2017 DESY T22 2018 CERN SPS...
LHCb plots for 2016 data pPb@8 TeV Plots (approved December 7) Plot Description D0 K pi candidates from the p Pb run@8 TeV (from TURBO lines, full...
Trigger plots and diagrams for conferences This page is linked from the main page. Trigger operations plots (2018) Plot Description Approved in meeting...
Organisation of the HLT project Project leader Conor Fitzpatrick (1/4/2017 ) Deputy PL (Physics) Sebastian Neubert (14/6/2018 ) Deputy PL (Operations...
Under reconstruction Talks about tracking efficiency Tag and probe technique tracking efficiency talks PPM, 17 May 2010 tracking efficiency talks T...
HLT2 Histogram Data Flow Histograms are produced inside the HLT2 tasks running on the farm. These are added up by the HLT2 monitoring infrastructure and saved to saveset...
Alignment Intro This introduction shows how to get the Alignment running. The examples are from TT alignment and are based on Alignment v5r1. Step 1. Setting up environment...
How to use the Moore RateTest script The script lives in the DBASE package, PRConfig. You can see it it in websvn. You can refer to these slides for some examples...
Gantt chart from TDR Details Lead group Computing Participating groups Computing, Simulation, HLT Description Development of event...
Extract of Gantt chart from TDR Simulation Schedule in Computing Upgrade TDR: Various activities need to be carried out and fit in more then one of the...
Lead group Computing Participating groups Computing, Online Description Port of Software stack to ARM64 and Openpower Required FTE 0.5...
Upgrade software ongoing activities 0.0 : Upgrade software coordination Lead group USPG Participating groups Offline Computing, Online, Simulation,...
2018 dataflow transformations The dataflow is exactly the same as for 2017. The transformation/production numbers are kept in a google spreadsheet https://docs.google...
Preparing a release of DecFiles Verify the status of the package You will need to check the status of the package with respect to the previous version...
DaVinci Tutorial 9b Applying arbitrary functors to a refitted decay tree For basic info see DecayTreeFitter. This is a very advanced tutorial. Make sure you understand...
Since contribution is on volunteer basis people included here, are the people who expressed willing and/or have been working in the related topics. WORK IN PROGRESS...
RuiWang1 2018 05 31
Ghosts (since 2012) how to get a new ghostprobability on not so new datasets in DV wording (i keep `new` and `old` at their meanings from 2012, to avoid messing...
The test on 2018 data was perfomed on 100000 events of Run 206538 (Reco18) with an HLT output rate of 719 Hz. Below, the rates after (center) and before (bottom)...
Vertex and PV Refitting in Stripping Vertex Fitter Since S21 the default vertex fitter is LoKi::VertexFitter. OfflineVertexFitter is deprecated and unmaintained therefore...
track refitting Refit Tracks in Stripping Location (TrackRefitting) A short example is given below of how to use the DaVinciTrackRefitting package to refit tracks...
Presentation on Mask Clustering for Velo by Daniel Campora Need to define clustering efficiency Standard clustering algorithm for Velo finds all clusters...
HLT2 piquet guide Controlling Hlt2 Accessing LHCb2 (Hlt2 control panel) One screen next to the shift leader should show LHCb2. From remote you can login...
RabbitMQ Admin Interface LHCb administration client In order to use the lhcb administration client, do the following steps: $ ssh lbmessagingbroker $ . /build/lbciagent...
How to create HLT TCKs This page describes the standard procedure that HLT piquets should follow to produce split TCKs for 2016 datataking Producing a dataset with...
Running the online alignment in run 2 How to run the Alignment from the PVSS panel Open the panel from an ui or plus machine: ssh Y lbgw ssh Y ui /group...
Hlt2 line development in the new template. For HLT2 lines in RunII, a new template has been prepared to which all existing and new HLT2 lines must be adapted. This...
Requirements: ssh cvmfs lhcbdev.cern.ch sudo i u cvlhcbdev source bin/setenv.sh source installerenv/bin/activate Debug/Manually operation...
All Run 2 Stripping lines explicitly using AALLSAMEBPV Stripping24r1 Stream Line name Calib StrippingDstarD02KShhForTrackingEffKKLine Calib StrippingDstarD02KShhForT...
LHCb Stripping Statistics page Stripping34 Stripping of 2018 data Stripping29r2 Full restripping of 2017 data Stripping28r1p1 Incremental restripping...
LHCb Coding Guidelines Table of Contents C Coding Guidelines We suggest to follow, as much as possible, Bjarne Stroustrup`s code guidelines. Note that...
Tools for the LHCb Software Environment Introduction This page is a description of the tools used to prepare the local development environment and to run LHCb applications...
This is a subscription service to be automatically notified by e mail when topics change in this LHCb web. This is a convenient service, so you do not have to come...
Report of referee 1 The paper has a good overall structure and is in general conceptually clear and well written. There are few typos or expressions which do not...
UT Upgrade Database and Web Interface This Twiki is meant to collect information about the UT Upgrade database and corresponding web interface Database The database...
ZhiyuXiang 2018 03 15
JacopoCerasoli 2018 03 14
Concurrent stripping of 2018 pp data (Stripping34) The deadline for commits is Friday 16th March . Any MRs submitted after this date are unlikely to be accepted as...
JohannesAlbrecht 16 Aug 2010 Documentation for Run II An up to date definition of the routing bits is provided in document 1146861 v.1.4. They are configured...
LHCb Computing Project Institutes While software and computing are seen as a collaboration wide effort within LHCb, this page provides information about institutes...
Decay files Instructions here are being obsoleted and will be removed in near future. Please go to https://gitlab.cern.ch/lhcb datapkg/Gen/DecFiles/blob/master/CONTRIBUTING...
MatteoBartolini 2018 02 27
Quick and easy instructions on how to test that the step you just made, or the one that you want to make, would work in the DIRAC production system: Login on...
LHCb Stripping FAQ Re Stripping of MC in MicroDST format Motivation Why would you want to re strip your MicroDST? You want to change your stripping cuts for...
Testing specifications PDMDB firmware testing The PDMDB test firmware is being developed in Oxford. The specification will be developed on this TWiki page. To be...
LHCb Stripping FAQ Which DaVinci version tags to use? For the vast majority of user analysis (making ntuples from stripping output, etc), you should use the latest...
LHCb ST Twiki page Welcome to the LHCb Silicon Tracker Twiki web page Organisation Project leader : Rennee Pais Deputy...
Upgrade Detector Combination Examples Some example configurations for users. At some point there will be a set of `official` configurations defined but the ability...
Preparing the release Updating/Tagging the sources The GIT repository used for the sources is: ssh://git@gitlab.cern.ch:7999/lhcb core/LbScripts.git To work on the...
RICH Upgrade Simulation This page contains information on the LHCb RICH Upgrade Simulation The optics of RICH1 for the upgrade Design of the re optimized optics...
AlessandroPetrolini 2018 01 23 Assembly/Disassembly of the EC Mounting/Dismounting EC and PDMDB on the T bar EC Configuration Tester
BEWARE This page is obsolete and has been superseded by the ProjectRelease Guide. Software Release Guide Scope The following documentation applies to the release...
Tools to detect problems: RabbitMQ Web interface at: http://lbmessagingbroker.cern.ch:15672/#/queues An accumulation of messages in BuildReadyCIAgent...
Method for the determination of hadronic tracking efficiencies using partially reconstructed charm decays. People involved: Mika Vesterinen , Laurent Dufour...
Status / Results The results below correspond to 2015, 5TeV Data (Reco15a/Turbo01EM) and MC (Sim09Dev03) with 2015, 5TeV conditions (Reco15/Turbo01aEM). An addition...
Status / Results The results below correspond to these samples. 2010 Results Velo efficiency versus eta 2010 T station efficiency versus eta 2010 Combined...
How to create the efficiency ratio tables Copy this directory: /afs/cern.ch/user/j/jvantilb/public/efficiency Run these commands in root .L effRatio.C...
Discussion on the error estimate for the tracking efficiency Binomial error without background In the case there is no background, the error on the efficiency \varepsilon...
Data samples for tracking efficiencies J/psi method Velo efficiency T station efficiency Long track...
Comparison between the combined method and the long method Results 2010 Combined efficiency Long efficiency \ \...
Information on the absorption of hadrons General information When traversing the material in the detector, hadrons (e.g. pions, kaons and protons) are subject to...
Stripping TrackEffDownMuon TrackEffMuonTT Used data was about 45 %$pb^{ 1}$%. Left is always directly from stripping line, right is with some cuts applied...
In order to create new users, first connect as an administrator to http://lbmessagingbroker.cern.ch:15672/#/users 1. First create the new user by clicking Add a user...
Fast neural net based fake track rejection Goal Build a new fast neural net based fake track rejections, which is fast enough to run in the trigger. And thereby reduce...
Procedure for assembling / disassembling the EC from (comments are welcome). The EC must be always built around the robust structural parts: the BaseBoard and the...
// this is the main array (the only one) var img detector paper new Array( ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, ``, `...
DaVinci Tutorial 2 The purpose of these exercises is to allow you to write a complete though simple selection algorithms for a typical decay: Bs J/ . Let`s do the...
EC Configuration Test Set Up This section briefly explains how to use the set up to test if the CLARO configure properly, using Chimaera digital boards (DBs). The...
TMate terminal sharing This is a placeholder for information on the tmate service. For current information please check the presenation at the LHCb Hackathon on Software...
N. events: 100000 of Run 198660 HLT2 output rate: 5324 Hz Bandwidth B2CC Bhadron Line name N evnts Rate, % ms/evt StrippingBs2EtacPhiBDT KsKPiLine...
LHCb Computing User Rules These rules for users of the LHCb distributed computing system on grid are intended to avoid inefficient use of the resources provided to...
Test of Stripping24r1p1 for incremental restripping 2015 data N. events: 297000 Stable beam time: 24.87 s HLT2 output rate: 11939.9 Hz Bandwidth Global retentions...
ParasNaik 2017 07 03 JIRA tasks JIRA and Kanban Board All of our tasks to be done with the mirror alignment should be posted to JIRA, software that we use for...
How to test Moore in the online environment on a single node Due to the necessity of having DIM, Moore online tests can only run in the online environment, e.g. on...
Inventory and specifications of Maraton power supplies for the SciFi tracker A MARATON (MAgnetism and RAdiation TOlerant New) is a low voltage power supply system...
confname `StrippingB2XTauNuLines` GuyWormser 2017 11 23
N. events: 100000 HLT2 output rate: 8412 Hz Bandwidth B2CC Bhadron Line name N evnts Rate, % ms/evt StrippingBs2EtacPhiBDT...
Test of Stripping28r1p1 for restripping 2016 data with loose HLT1 config (run 182594). N. events: 100000 HLT2 output rate: 8412 Hz Bandwidth B2OC Bhadron Line...
Instructions to check conditions version used in HLT and assign alignment versions This page just collects the instructions to check the version of the online conditions...
Primary Vertex Reconstruction Responsible : Agnieszka Dziurda Package: Tr/PatPV Documentation Run 2 PV reconstruction: A.Dziurda, V.V.Gligorov, M.Witek,...
Procedure for mounting/dismounting EC and PDMDB on the T bar (comments are welcome). Mandatory general rules for production assemblies. The mechanical installation...
RICH testbeam with miniDAQ2 How to configure the PDMDB Configure the master link GBTx The bootstrapping of the master link GBTX is done via an external I2C master...
N. events: 90000 Stable beam time: 7.54 s HLT2 output rate: 11939.0 Hz Bandwidth Global retentions Stream Retention % Global 64.31 Bhadron.mdst...
LHCb software installation This page describes the steps needed to make a standalone LHCb software installation on a local or shared filesystem. The recommended way...
Isolation Tools in the LHCb Stripping framework Contents Introduction Isolating your signal decay from other tracks in LHCb has been shown to help reject partially...
`Expert` database with all MC/PIDCalib samples used (or available) for PIDGen PID templates available in Urania v7r0 and nightlies Available combinations of track...
SAM sensors and jobs This twiki page is meant at containing all information concerning the SAM (ETF) procedures in LHCb. LHCb ETF Nagios Probes LHCb SAM...
The `tracker control` Graphical User Interface Run as richtbuser@lbrichtb . The tracker control GUI is started as follows: cd /home/richtbuser/Public/tracker tb...
RICH testbeam with miniDAQ Some documents with additional information can be found here: DAQ notes data formats DAQ PC The current configuration is to use...
Software configuration DB Prototype Objectives In order to ease the management of the software released by LHCb, it was decided to put in place a database of the...
The LHCb online event display The LHCb online event display shows the pp collisions in the LHCb detector in both three and two dimensions. The display is based on...
Comparison of different DV patches for S29 on 2017 data. If your line appears here then it`s certainly affected by one or more bugs. If not, you should still check...
S29 lines expected to be affected by the Calo and Muon TisTos bugs If your line appears here, it`s expected to be affected by one or both of the TisTos bugs (Calo...
How to run a DAC scan Check if the firmware loaded in the PDMDBs is the one without the FIFO (go on the PDMDB panels and check if in the text fields under FPGA filename...
LHCb Computing Project Management Team The structure, roles and people involved in the computing management team can be found at http://lhcb comp.web.cern.ch/lhcb...
Instructions for creating a new Package in SVN Video example (for the text below) Example recorded for creating the new package RawEventFormat to sit in DBASE, using...
Notes on the Jenkins Configuration OBSOLETE A Jenkins build system has been installed and configured for the LHCb Nightly builds, at the follwoing address: https...
With LHCbApp as the top level configurable, you can almost process a raw .mdf file like an ntuple. The raw files get written to castor from the pit and will remain...
ECGD: Information about posts Hello. This page collects some basic information about types of positions that open in various countries, focusing mainly on those with...
How to run a threshold scan Click on the Threshold scan button on the RICH control panel. Set the threshold scan parameters and the number of events (that should...
LHCb Production Operations Procedures This is the LHCb Production Operations Procedures page which contains procedures for Grid Experts and Grid Shifters to follow...
Certification process for LHCbDIRAC releases process moved to trello board and to slack channel Please see https://trello.com/lhcbdiraccertificationteam and lhcbdirac...
SaschaStahl 2016 05 22 How to make and use Cond DB snapshots Any change of the DB tags has to be communicated with the OPG and offline computing. 1. Log on to...
ParasNaik 2017 07 21 AnatolySolomin 2009 07 16 RICH mirror alignment monitoring via software (Online and Offline) by the use of real data Legacy Information...
HLT Online Reference Guide Keywords: Setting the accept rate via PVSS,Beam Gas,Brunel output monitoring,Conditions DB snapshots,Reading Online Conditions,Event Filter...
Timetable for the use of the HLT Farm during Winter Shutdown 2017 First MD/TS of 2017 This timetable allows us to keep track of the alignment activities taking place...
Alignment Development Repositories Alignment software is stored in two gitlab repositories, https://gitlab.cern.ch/lhcb/AlignmentOnline AlignmentOnline...
ParasNaik 2017 07 03 RICH mirror alignment and the High Level Trigger Introduction Ideas and implementations For maximal optimization at Brunel (i.e. Reconstruction...
This is the list of RealData event types EVENTTYPEID DESCRIPTION 90000000 Full stream 90000001 stream? 90000002 FULL2 90100000 PARK 90100001...
LHCb Conditions Database How To (for COOL) This is an old version of the documentation. The latest version is CondDBHowTo . Table of Contents Overview The...
The SHERPA generator in LHCb SHERPA is a Monte Carlo event generator for the simulation of high energy reactions of particles in lepton lepton, lepton photon, photon...
This twiki page describes the setup used as of 2016 to scan the LHCb software using the Coverity static code analyzer. See also JIRA issue LBCORE 470. Coverity is...
Cables Tunnel The cables are installed in dedicated cable trays running parallel to the beam line. The cables for the B stations enter the LHCb cavern alongside the...
LHCb DAST Instructions Introduction This page provides info for the LHCb Distributed Analysis Support Team (LHCbDAST). Ulrik Egede from the Ganga team organize...
LHCb Core Software Python modules: Packaged projects LbCVMFSTools Tools set allowing the composition of tasks handlers with transaction handlers (e.g Nightlies...
6th LHCb football tournament CERN, Jun 2017 alpha beta gamma Federico Alessio Stefano Perazzini Robert Kristic Cesar Luis Da...
Releases schedule for LHCbDIRAC please follow schedule in https://gitlab.cern.ch/lhcb dirac/LHCbDIRAC/wikis/home Based on DIRAC v6r15: LHCbDIRACv8r3 Features...
Radiative Decay MC Tuples 2012 2011 Stripping 21 data analysis (june 2017) Here are collected the DecayTree tuples for the analysis of MC corresponding...
TestBeam 2017 DCS Operating the FSM The FSM can be started from the shortcut FSM2017 in the Desktop/TB2017 folder. Click yes on the popup panel asking for admin rights...
The Class ID (CLID) A CLID is a number that identifies uniquely an LHCb event data class. This number is used by the Gaudi framework to select what Converter to use...
Test of Stripping29 for 2017 concurrent stripping on 2016 data with tight HLT1 config (run 179101). table Configuration as of 2017/06/07. N. events: 860000 Stable...
Checklist for shifters GENERAL DCS H8 Situation: Access to the zone? Closed, no beam? Closed, beam on, no data taking? Data Taking? FSM Check the...
Checklist for shifters Test beam 2017 Tracker Test beam using the miniDAQ readout Test beam 2017 DCS
Nu, Mu and Pile Up. The LHCb definitions of what we see and what we don`t see. LHC luminosity calculator See luminosity calculator. (nu) : The average number of...
Test of Stripping29 for 2017 concurrent stripping 2016 data with loose HLT1 config (run 182594). table N. events: 79000 Stable beam time: 9.39 s HLT2 output rate:...
RICH 2015 Testbeam DAQ Hardware overview The front end data are acquired by the DBs (digital boards) that are connected to the ECs (elementary cells). The DBs capture...
Hardware The trigger board outputs and gate inputs use LVDS differential signalling. One of the trigger outputs is sent to the beam telescope trigger input via an...
Testbeam 2015 These pages are a self service resource to help those operating the RICH beam tests and analysing the data. For the benefit of everyone, please correct...
Testbeam 2014 These pages are a self service resource to help those operating the RICH beam tests and analysing the data. For the benefit of everyone, please correct...
You can of course see the SPS Page 1 and other screens on the Vistars web page but to get a real time version you can use VLC: vlc udp://@multicast bevsps1:1234
How to read beam info Open a Remote Desktop session to cernts.cern.ch, then type http://cern.ch/timber in the browser. TIMBER application (see https://wikis.cern.ch...
Testbeam 2016 These pages are a self service resource to help those operating the RICH beam tests and analysing the data. For the benefit of everyone, please correct...
PCLBRICH02 This is the DAQ PC for the readout with the miniDAQ. Log in as lbrich . User accounts Login Type Notes lbrich Local Use this to operate the...
List of people working in the pit The Safety Coordinators require to have an up to date list of people currently carrying activities in Pit 8. The Group Leaders and...
Using the CernVM Virtual Machine Introduction This page aims brings together links that explain how to run the LHCb software inside the virtual machine and to document...
Concurrent stripping of 2017 pp data (Stripping29). The deadline for commits is Friday 26th May . Any MRs submitted after this date are unlikely to be accepted as...
Outer Tracker Scanning System in Situ Before and after irradiations reference measurements are performed with a scanning system of two 74 MBq 90Sr sources transported...
DPS line blinded implemented Hlt2DPS2muHc Hlt2DPS2x2mu Hlt2DPS2xHc DisplVertices line blinded implemented...
Check consistency between conditions used online ad offline To check that the same constants are used online and offline a script, for every run sent offline, configure...
Test for Stripping24r0p1 performed over a sample of 100,000 events of Reco15a test sample. The total bandwidth amounts to 30.55 MB/s. Details here. B2CC Bhadron...
List of T1 Site contacts Site Name e mail RAL Raja Nandakumar raja.nandakumar @SPAMNOT@ stfc.ac.uk CNAF Antonio Falabella antonio.falabella...
JCosmixerDepp JCosmixerDepp is the configuration interface for the scintillator coincidences. It can be started from the JRichTBTrigger GUI. Software Installation...
Step 1. Setting up a release directory for running the software All alignment related code is combined in the `Alignment` project. For running the TAlignment algorithm...
In the coming weeks several significant changes will be applied to the LHCb Computing environment, as a result of the software improvement efforts and the evolution...
Minutes of the past T A meetings: 2015 T A Meeting, January 8, 2015 T A Meeting, January 13, 2015 T A Meeting, January 27, 2015 T A Meeting, February...
Performance and recent developments of the real time track reconstruction and alignment of the LHCb detector Conference: 2017, 5 12 July 2017, Venice, Italy The LHCb...
Production to merge histograms are slightly different from normal data processing ones. There are two different type of input files to consider: BRUNELHIST and DAVINCIHIST...
LHCb shutdown activities 2008/09 Services Detector activities 2009/10 Services Detector activities LHCb site activities 2010 2012 (technical...
Organisation Bettler, CERN, Coordination Babuskkin, Manchester Gersabeck, Manchester Parkes, Manchester Martinelli, EPFL Chrzaszcz, Zuerich...
RicardoVazquezGomez 2017 03 21 The status of the reprocessing can be checked in http://lhcbproject.web.cern.ch/lhcbproject/Reprocessing/stats re stripping28.html
JRichEcControl GUI This is the main DAQ control GUI and is part of the RichEcKit package. Installation General installation instructions can be found in the RichEcKit...
The gateway architecture How to set up the gateway machine Create a dummy CA certificate:...
Addition of ProbNNs Currently, the inputs to ProbNNs are saved in the Turbo steam, though the actual ProbNNs are calculated when the user runs the DaVinci job. To...
General Information 1. You need a DESY indico account. This is not your CERN indico account. It takes a couple hours for someone to approve it. Then fill in the Registration...
Building the statistics tables for Monte Carlo simulations (Sim08) Please refer to DownloadAndBuild
RICH Software Alignment and Calibration Introduction This activity is coordinated by Antonis Papanestis and Chris Jones. It encompasses all software aspects of detector...
Plots for Belle II Physics Book We have been asked to provide some plots with corresponding numbers for a Belle 2 document on future sensitivity in various flavour...
LHCb data namespace This page describes the namespace for LHCb data. By LHCb convention, the SURL or the file is formed by appending this LFN to the SAPath as provided...
MarinaArtuso 2017 02 03 ITK Barrel Hybrids.pdf: ATLAS Upgrade ITK hybrid assembly and test infrastructure Endcap Barrel Panelization.pdf: ATLAS Upgrade ITK...
List of projects of the Tracking Alignment group in 2017 This page aims to collect all the possible project for new people that would like to contribute to the T...
Using Subversion (svn) in LHCb The LHCb code used to kept in a http://svn.web.cern.ch/svn/ repository. It has now been migrated to Git The information in this...
RicardoVazquezGomez 2017 01 19 Test for Stripping28 performed over a sample of 176679 events of Reco16 test sample B2CC Bhadron Line name N evnts Rate...
MichaelKolpin 2015 05 08 Purpose This page is supposed to help organising Stripping lines that are part of the Calibration stream. Please keep the list of lines...
Welcome to the LHCb Outer Tracker Twiki pages Outer Tracker Homepage Online Twiki Tracker Software Twiki Tracker Technical Design Report mailing...
MikaVesterinen 2017 01 18
An archive of old, and potentially obsolete pages HLT WG liaison guide not maintained since summer 2015. Patches and improvements next Moore version...
BOINC FAQ This is a work in progress. Comments are most welcome! What resources will BOINC use on my computer ? This can be set from the BOINC computing preferences...
2017 Daily operations reports Click on the month to see daily reports: 2017 2017 2017 2017 2017 2017 2017 2017 2017...
19th December (Monday) Activity Data reconstruction (proton ion), MC and user analysis. Site Issues T0: NTR T1:...
28th November (Monday) Activity Monte Carlo simulation, data reconstruction/stripping and user jobs on the Grid Site Issues T0:...
31st October (Monday) Activity Monte Carlo simulation, data reconstruction/stripping and user jobs on the Grid Site Issues T0:...
26th September (Monday) Activity Monte Carlo simulation, data reconstruction/stripping and user jobs on the Grid Site Issues T0:...
29th August (Monday) Activity Monte Carlo simulation, data reconstruction and user jobs on the Grid Site Issues T0: NTR...
25th July (Monday) Activity Monte Carlo simulation, data reconstruction/stripping and user jobs on the Grid Site Issues T0: Backlog for tape...
27th June (Monday) Activity Monte Carlo simulation, data reconstruction and user jobs on the Grid Site Issues T0: EOS gridftp...
30th May (Monday) Activity Most user and simulation jobs on the grid Site Issues T0: Some problems transferring data from online to offline...
25 April (Monday) Acitvity Reco16 validation production on Full stream first data launched Site Issues T0: T1: SARA transfer...
21 March (Monday) Activity Validation of 2015 data reprocessing (ProtonArgon and Lead) Validation of RUN1 incremental stripping MC and...
29 Feb (Monday) Data Processing Active pre staging, no other precessing activity at the moment MC and User jobs Site Issues T0:...
28 Jan (Thursday) Data Processing Mostly MC and User jobs Site Issues T0: Issue with one of the CEs losing jobs. Now fixed. (GGUS...
The LHCb Event Model The LHCb Event Model describes the event data classes and their relationships. Developing new Event Model classes All event model classes...
Simulation Validation This pages is intended to held the information needed for validation of the simulation, from MC samples to generator and reconstructed distributions...
Participating in the LHCb volunteer computing project Thank you for taking part in our project. ! This guide will help you installing the necessary software on your...
5th LHCb football tournament CERN, December 2016 Players Andrea Contu Aleksei Dziuba Stefano Perazzini Espen Eie Bowen Giampiero Mancinelli...
SciFi Tracker Planning The project planning ( TDR version , Feb 2014) of the project can be found here chart TDR. In November 2014, we submitted an updated list of...
Task Force on Core Software (TFCS) The Task Force on Core Software (TFCS) was formed in April 2016 to tackle the issues related to the framework, event model, non...
RolfLindner 2016 11 15
important documents for the preparation of the upgrade EDMS number Title status Author Date 473833 v.1 Grounding network in LHCb...
LHCb contacts in brackets WLCG Task Forces The overall list here. Accounting (Andrew) Systems Evolution (Andrew) validation and deployment (?) Monitoring...
Instructions on Preparing PIDCalib Samples This page provides information on how to create PIDCalib samples. It is for experts only. Latest PIDCalib setup instructions...
How to create a step Steps are the core part to configure jobs. They contain all the relevant information about the software version, the configuration files, the...
Do not use instructions here yet. Please follow official instructions at https://twiki.cern.ch/twiki/bin/view/LHCb/GaussDecayFiles Decay files Adding a new decay...
TbUT analysis software This page provides information about the TbUT package. The software is a part of the project. The main aim of this software is to perform whole...
Closing procedure for productions These steps should be done at the end of a production, that is when there are no more running jobs. There could be still some Completed...
LHCb plots for 2015 data Dimuon plots The approved dimuon (23/5) plot is superseded by those of 2016 005. See also LHCbPublicityPlotsCONF. Pb Pb plots (approved...
Manage Completed jobs Completed jobs are a class of jobs which leave the input files in Processed status, that is they are not accounted as Failures (aka they don...
Detector Plots for Conference VELO Approved Conference Plots RICH and figures Plot Description Offsets of readout delay for each of the...
LHCb GEOC Guide This guide is superseded by GridExpertOnCall in this TWiki Expert cell phone number: 16 1914 The grid expert on call can be found in the Shift...
Links This page provides links to tools external to LHCb/Dirac such as monitoring and other toolsMonitoring2015 Data Processing StatisticsFull Stream: http://lhcbproject...
Please, refer to new instructions.
LHCb Specific Pythia8 Tuning Here we`ll document the process of creating new LHCb specific tunes for GAUSS based on the PYTHIA8 event generator. Please, feel free...
CAEN crate SY4527 How to change crate IP address When a new IP address is assigned to the crate, you have to change the network parameters to the crate itself. To...
Updating the L0 part of a TCK First you should set up the Moore environment and checkout the head of TCK/HltTCK lb dev Moore vXrY getpack TCK/HltTCK head getpack TCK...
4th LHCb football tournament Santiago de Compostela, September 2016 Team Cabibbo Team Kobayashi Team Maskawa Christophe Haen Martino Borsato Victor...
Streams v4r1 (DaVinci v41r2p1) LEPTONS Line Prescale (if applied) Hlt2DiMuonBTurbo Hlt2DiMuonJPsiTurbo Hlt2DiMuonPsi2STurbo Hlt2ExoticaPrmptDiMuonSSTurbo...
LHCb RICH Testbeam Analysis This page summarises the efforts of the RICH TestBeam Analysis of the 2006 tests. The data has been recorded using an early version...
Test a stripping line (work in progress) Setup the environment Before you can test a stripping line you need to set up the environment. In order to do that, create...
Technical Description of the LHCb Nightly Build System This is a brief summary of the implementation technical details of the LHCb Nightly Build System, useful to...
Data Quality issues related to Tracking and Alignment This page is meant to collect the observed Data Quality (DQ) issues related to Tracking and Alignment, the studies...
A simplified geometry for track fitting Introduction To correct for energy loss and multiple scattering on a charged particle trajectory, the LHCb track fit talks...
Take a look at this file /afs/cern.ch/lhcb/project/web/WG/wgdb/wgconfig/dbstruct hlt.py MikaVesterinen 2016 08 17
LHCb Applications and Workflows This twiki provides information about the LHCb application stack, LHCb applications and workflows used on the grid LHCb application...
Markus Frank wrote a tool that allows tracing all accesses to the transient event store: The package is Online/TESTracer and can be found in svn at: svn ssh://svn...
Flavour Tagging Plots for Conference Scheme of tagging algorithms Scheme v1 Schematic overview of the underlying principles of LHCb`s flavour tagging algorithms...
Preparing a software project for release BEWARE: the procedures described here apply only to projects maintained in SVN. If you wish to release a project maintained...
LHCb Calo Software THIS PAGE HAVE BEEN MIGRATED TO A NEW ONLINE TWIKI PAGE INFORMATION BELOW ARE NO LONGER MAINTAINED AND MAY BE OBSOLETE (WILL DISAPPEAR...
The information on this page is complementary to the information on official productions that can be found here DISCLAIMER this page is work in progress obtain...
Turbo Turbo consists of the persisted reconstruction from the HLT. Please see the following presentation for more details: https://indico.cern.ch/event/468306/contribution...
How to name a processing pass This twiki page sets the rules for how to create a name of a processing pass. For the time being this will apply for data processing...
Upgrading framework level condition management Context The infrastructure that is currently used to manage conditions within the LHCb framework is not compatible...
General processing path To create a new Hlt2 line for the Turbo stream, you will need to make sure the line contains the particles in the event (and calculates all...
LHCb Upgrade plots and pictures for presentations VELO Plot Description RICH Plot Description...
How to start DAQ Should use richtbuser , the another usual password (hints: radiator names) ssh X richtbuser@lbrichtb start daqgui How to access Slow Control rdesktop...
How to start DAQ Should use richtbuser , the another usual password (hints: radiator names) ssh X richtbuser #64;128NOSPAMPLEASE.141.105.89 start daqgui How to...
3rd LHCb football tournament CERN, Jun 2016 LH Cb Angelo Di Canto Maurizio Martinelli Lorenzo Capriotti Mirco Dorigo Andrea Contu Aleksei Dziuba...
Telnet access Host name IP address Port Login phesesy1527.cern.ch 137.138.164.16 1527 admin/admin caensy4527richtb.cern.ch 137.138.71.15 4527 admin...
How to produce offline root files Should use the lhcbrich , the usual passwords. ssh X lhcbrich #64;lxplusNOSPAMPLEASE.cern.ch LbLogin c x86 64 slc6 gcc48 opt SetupUrania...
How to start DAQ Should use richtbuser , the another usual password (hints: radiator names) ssh X richtbuser #64;lbrichtbNOSPAMPLEASE.cern.ch start daqgui How to...
Data sets for trigger studies Run II Standard L0 filtered sample for 2016 HLT commissioning This is the standard dataset that should be used for development of HLT...
Tier 2A sites and Tier 2 Storage Elements Site Status Contact Deputy Storage Status Allocated TB CBPF.br V V 121 CPPM...
LHCb Computing Upgrade Data Processing and Analysis Model Coordinators Contu Haen WG contacts QCD, Electroweak and Exotica Murilo Santana Rangel...
2nd LHCb football tournament CERN, Mar 2016 L H C b Joan Arnau Romeu Espen Bowen Greig Cowan Sean Benson David Gerico Lorenzo Capriotti...
Comments to follow up Author List Title Figure 4 and 5; Are they OK? Figure 6; No mention of white pixels Figure 12; Add labels on PMTs? Figure 13 Y axis label...
DIRAC Grid Storage Usage Web interface The web interface to the view Grid storage usage is available here. Clicking on this link should take you to a summary page...
User quota requests This page (not linked from anywhere) keeps a list of the approved requests for storage quota increase. It should be filled up when a request has...
Publications relating to LHCb computing This page is being populated, if you find items missing please add them. This page contains lists of presentations and conference...
How to create HLT TCKs This page describes the pre 2016 procedure to make a single HLT1 HLT2 TCK. For datataking in 2016 onwards, we have split HLT1 and HLT2 TCKs...
Time Table for the use of the HLT Farm Try to keep tracks of the activity on going on the HLT farm. During the winter shutdown, the MC production is the main user...
Work package : Simulation and Reconstruction WP convener : Tim Head Mailing list : lhcb upgrade ft software #64;cernNOSPAMPLEASE.ch Scope Develops an accurate...
See the schedule See the db 2016 LHC week (starting) Assignee (link to report) Comments 18 (2/5) Maarten Physics 17 (25/4) Jessica...
Re using a TCK from a previous version of Moore To keep the number of TCKs as small as possible it makes sense, for simple configurations, to re use them. Before doing...
L0 Filtering What is it? The L0Filtering application is a simple alignment task based filtering application which can be run from the PVSS panel, to filter data...
DaVinci Tutorial 9 Multivariate Selection Introduction This tutorial introduces the usage of the package to add multivariate classifiers to your selection. It shows...
How to create a new stripping line IMPORTANT Please do not import anything explicitly from the StrippingSelections package, which is used for development. In production...
Plots for Conference about Miscellaneous topics of PPTS deep neural networks with domain adaptation Discussed at the PPTS meeting on 4th April 2016, contribution...
MuonID plots for conference MuonID efficiency Plot Description Muon ID efficiency as a function of momentum Muon ID efficiency...
Perfluoroketone C6K (Novec 649) as coolant for SCiFi Tasks Test C6K with the thermal mockup, compare the cooling performance with C6F14 Collect published...
Simulation Material description As of global tag dddb 20150724 the Herschel geometry is included in the DDDB. This includes not only the scintillators themselves...
L0App: a very simple configurable application for emulating L0 The `L0 Trigger` is a hardware and firmware based trigger, but it can be emulated to surprizing accuracy...
Dear colleagues, Next week we will have XXX sessions of practice talks for the upcoming conferences XXX name, place, date, url The talks are XXXX The indico links...
This page is intended to be a documentation about all the information gathered about the Front End Electronics Board used for the HeRSCHeL setup. Contacts Jonas Manthey...
HLT Conference talks Information for speakers The previous HLT talks and proceedings, which can be found below, are a useful resource when planning your talk. You...
Moore tests HLT rates Pick the lastest entry from See also LBCORE 970 and https://gitlab.cern.ch/lhcb core/HLTRateScripts gitlab repo Nightlies Look...
An automatically curated list of all public results from the LHCb QCD, Electroweak, and Exotica (QEE) working group (WG) are available at http://lhcbproject.web.cern...
StefanoPerazzini 31 May 2014 Stripping21 FAQ Which version of DaVinci do I have to use? In order to perform any test for S21 you should use the DaVinci HEAD present...
LHCb Calorimeter Upgrade: Electronics FEB Analog DIgital First Prototype Prototype schematics Second Prototype schematics Control board GBT fanout board...
LHCb Calorimeter Upgrade Other webs Webs CaloUpgradeModules CaloUpgradeElectronics CaloUpgradeFEB CaloUpgradeControlBoard CaloUpgradeSoftware...
Event Index is a search engine for LHCb events located at https://eindex.cern.ch/ . It`s a searchable index of MicroDSTs from strippings 20, 20r1, 21, 21r1. Its inner...
Proton Calibration Samples in Run I Proton issues In run 1 the proton coverage is not as good as desired by some analyses. While an extremely high statistics,...
Welcome to the web pages of the LHCb Track Model Task Force Charter The charter, as defined by the Computing Technical Board, is to review the new implementation...
LHCb DaVinci Tutorial This hands on tutorial should be followed by all newcomers to the LHCb physics analysis software. The purpose of these exercises is to allow...
List of un(der)covered tasks Certain areas of the project are insufficiently covered with resources or even completely uncovered. The list below is a snap shot (certainly...
Information on this twiki page will eventually be propagated back to the main page and this page will be removed. The plan is that a single version of PIDCalib can...
Publications A list of presentations and proceeding to conferences is given here. Item with a are not simulation specific, but relevant for it (e.g. detector performance...
DAST shift report from the DAST shifter Updates Date Update 04/03/2016 Most issues were related to Ganga. A few issues with warning messages, persistency...
LHCb Tutorial v28r0: Getting started with http://cern.ch/LHCb release area/DOC/bender Bender This hands on tutorial is an introduction to http://python.org...
Test for Stripping21r0p1. Performed on a sample of 2192578 events of the Reco14 test sample B2CC Leptonic Line name...
How to set up a CERN OpenStack instance with AFS and GRID access Create a VM instace Use guide https://clouddocs.web.cern.ch/clouddocs/tutorial using a browser...
This twiki page contains obsolete historical information, derived from the two pages prepared in 2011 2012 to describe the Coverity setup used at that time in LHCb...
RICH 2015 Testbeam Lens This page summarises the main characteristics of the RICH 2015 test beam lens. Specifications Specifications given by Optics: Parameter...
LHCb Tutorial : Getting started with http://cern.ch/LHCb release area/DOC/bender Bender Bender Tutorial, version v28r0 Bender Tutorial, version v24r0 Bender...
LHCb Tutorial v24r0: Getting started with http://cern.ch/LHCb release area/DOC/bender Bender This hands on tutorial is an introduction to http://python.org...
Getting started with BenderScript This `pseudo hands on` tutorial is an introduction to BenderScript a powerful Bender based enhancement of GaudiPython Dedicated...
BkgTreePlotter The BkgTreePlotter package provides tools to visualise the MC true origin of a background candidate (which works as well for signal candidates). It...
RICH 1 Upgrade Services This is a rough guess at the number of services required for RICH 1. DO NOT TAKE FOR GRANTED RICH 1 Services Mostly taken from a talk at...
LHCbComputing Tree Map PeterJones 2016 01 26
Tasks for the 2016 HLT commissioning Task People Status Memory profiling Roel, .... First results at HLT ops 8/1/2015? Monitoring Kevin and...
17 Dec (Thursday) Data Processing High level of Monte Carlo running, with intention of continuing to run this during YETS (including on HLT farm); user...
30 Nov (Monday) Data Processing: Data processing of pp data at T0/T1/T2 mostly complete. pp reference data processing starting this week. Monte...
29th October (Thursday) Data Processing: Data processing of pp data at T0/1/2 sites. Some T2 attached to T1 in order to speed up the processing....
28th September (Monday) Data Processing: Data processing of pp and pHe data at T0/1 sites, monte carlo mostly at T2, user analysis at T0/1/2D sites...
31st August (Monday) Data Processing: Drop of MC jobs at T1 sites on the week end, solved this morning and restarting now. DataReconstruction at T1s....
30th July (Thursday) Data Processing: data `stripping` productions ongoing. User and MC jobs T0 Discussion with LSF team about wall and cpu time...
29th June (Monday) Validating Data Processing workflows. User and MC jobs on the grid. T0 T1 LHCb VO box at GridKa upgrade to sl6 request...
28th May (Thursday) Operations dominated by MC jobs and user analysis; Preparation for data receiving T0 Data transfer problem to CERN EOS (GGUS...
2015 Daily operations reports Click on the month to see daily reports: 2015 2015 2015 2015 2015 2015 2015 2015 2015...
2016 Daily operations reports Click on the month to see daily reports: 2016 2016 2016 2016 2016 2016 2016 2016 2016...
Minutes of LHCb Core Software Meetings (2015) (in reverse order: most recent first) Minutes of LHCb Core Software Meetings (2016) 16 December 2015 25 November...
Minutes of LHCb Core Software Meetings (2014) (in reverse order: most recent first) Minutes of LHCb Core Software Meetings (2015) 10 December 2014 19 November...
link Minutes of LHCb Core Software Meetings (2016) (in reverse order: most recent first) 6 January 2016 Minutes of LHCb Core Software Meetings of previous years...
Decay tree fitter Introduction The traditional method to fit a decay tree is `leaf by leaf`: one starts by fitting the vertices most downstream in the decay and builds...
Status of services used by LHCb in the CERN computer centre Service availability see also: batch queues: https://lsf rrd.cern.ch/lrf lsf...
Getting the L0 rates Setup Moore with SetupProject or CMake getpack TCK/L0TCK make a new file in TCK/L0TCK/options See e.g. L0DUConfig July...
LHCb Core Software Meeting Date and Location 2015 12 16 10:30 12:00 CERN (2 R 030) Attendees Andrea Valassi, Ben Couturier, Concezio Bozzi, Gloria Corti (Vidyo...
LHCb Detector Status during CERN Closure 19/12/2015 3/01/2016 Cooling System Status If stops Mixed Water Run 72201 (CCC/TI) Chilled Water...
L0Muon lookup table gotchas This page tries to collate some of the wisdom about the L0Muon FOI lookup table and how to correctly emulate L0Muon. There is a lookup...
Preparing a release of DecFiles Verify the status of the package You will need to check the status of the package with respect to the previous version...
Schedule Technical Stop LHCb Planning Status over Xmas Break StatusOverXmas EricThomas 29 Sep 2011
The files for the main optimization were copied to the scratch area in the online system. The address is /scratch/bw division/mc2015/. Be careful when copying to farm...
Tracking Alignment for 2016 Ongoing activities and responsible people This is a list of specific topics to see who is currently working on what Pattern recognition...
Known HLT operational issues during Run II Known ERROR/WARINING messages which can be ignored REPORT: LoKi::Particles::CosineDirectionAngleWithTheBestPV:...
L0Hadron efficiency correction for protons Official L0Hadron efficiency correction cannot be applied for protons in the final state. See details in this https:/...
Test for Stripping24. Performed on a sample of 2535180 events of the Reco15a test sample B2CC Bhadron Line name N evnts...
Development Use Cases Motivation One of the conclusion of the 6th LHCb Computing Workshop is that we could benefit from modern development techniques and tools that...
SajanEaso 21 Jan 2014 Target tool to study hadronic cross secitons in blocks of material in Gauss The tool fires particles into blocks of material and returns information...
LucaPescatore 2014 11 12 Radiation Length Studies in Gauss This tool consists in a few scripts that fire neutrino particle guns through the LHCb detector. A thin...
Note that Roel has since prepared a new installation script for piquets https://twiki.cern.ch/twiki/bin/view/LHCb/NewMoore Installing Moore at the pit lb...
LHCb Core Software Meeting Date and Location 2015 11 25 10:30 11:30 CERN (2 R 030) Attendees Ben Couturier, Gerhard Raven (Vidyo), Gloria Corti, Illya Shapoval...
Overview Not all tests of the LHCb Software can (or should) be implemented as Unit tests in the software (via the QMTest framework). For this reason, another framework...
Installing a new TCK in the production version of Moore in the pit Make sure the TCK/HltTCK package is released and appears in CVMFS at $LHCBRELEASES/DBASE/TCK...
RicardoVazquezGomez 2015 11 09 The incremental stripping of Run I data is intended only for lines already present in the legacy stripping (S21 and S21r1) containing...
How to check the rates of an HLT configuration From lxplus, do getpack b Hlt/Moore head getpack b Hlt/Hlt2CommissioningScripts head lb run Moore v24r2 python Moore...
How to run? Latest instructions: HltRateTesting On a farm test node: HltRatesOnFarmTestNode Run II commissioning rate tables Date of test Setup...
This page has been superseded by the FAQ How to create your own local copy of LHCBCOND.db (Instructions provided by Marco Clemencic) Here, I assume you will install...
How to Browse the LHCb Conditions Database This page has been superseded by the CondDBBrowser documentation For more details see the Conditions Database documentation...
RicardoVazquezGomez 2015 10 16 The S24 is the restripping of the 25ns data after the technical stop from begining of September 2015. The DaVinci version to be used...
LHCb Core Software Meeting Date and Location 2015 10 28 10:30 11:38 CERN (2 R 030) Attendees Andrea Valassi, Ben Couturier, Benedikt Hegner, Gerhard Raven...
Shift List 2015 Shift times Shift Start End Morning 6.30 15.00 Afternoon 14.30 23.00 Night 22.30 07.00 Two shifters are required...
Updates from the Ganga Devs Updates Date Update 11/05/2015 Some users observe a non starting Ganga 6.1.13. This appears to be fixed by running: `find...
25ns NoBias pfns `root://eoslhcb.cern.ch//eos/lhcb/wg/HLT/Run2 L0Processed 0x0051/25ns NoBias/2015NB L00x0051 run160059 0.mdf`, `root://eoslhcb.cern.ch//eos...
25ns NoBias pfns `root://eoslhcb.cern.ch//eos/lhcb/wg/HLT/Run2 L0Processed 0x0050/25ns NoBias/2015NB L00x0050 run160059 0.mdf`, `root://eoslhcb.cern.ch//eos...
MurdoThomasTraill1 2015 10 25
EmiliaAnnaZacharjasz 2015 10 23 simplifiedgeometry getDet(`/dd/TrackfitGeometry/Structure/LHCb` ) ;
LHCb Core Software Meeting Date and Location 2015 10 21 10:30 11:10 CERN (2 R 030) Attendees Andrea Valassi, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
LHCb Environment setup As of September 2015, the CMake configuration and associated scripts to run the projects built thus (lb run/lb dev) are available for nearly...
How to add histograms to the online monitoring presenter Connect to plus. Open the presenter plus18 ~ $ presenter From Tools menu Page Editor Online New 2 boxes...
LHCb Core Software Meeting Date and Location 2015 10 14 10:30 11:15 CERN (2 R 030) Attendees Ben Couturier, Gerhard Raven (Vidyo), Illya Shapoval, Joel Closier...
DaVinci Tutorial 0.5 We will setup the job and cmtuser area to run the Tutorial jobs in the rest of these tutorials. http://us.cdn3.123rf.com/168nwm/leaf/leaf...
LHCb Dipole 2011 measurements note (LHCb INT 2012 012) 2014 measurements note (LHCb INT 2015 034) Survey field bench in building 108 positions...
Tracking for 2015 Target Verify the performance of LHCb Tracking algorithms with the new beam conditions in 2015 (%$\sqrt{s}$% 13TeV, bunch spacing 25,50 ns) and...
The Run II LHCb trigger The LHCb trigger system consists of a hardware level, which reduces the event rate of 30 MHz of inelastic collisions to 1 MHz, at which the...
RawEvent The RAW data format. Contents What is the RawEvent? The RawEvent can be considered as a mini event store, which contains heavily packed, optimised data...
How to create a new TCK based on an existing one Assume you want to change TCK 0x80650000 (Moore v7r5, PA HLT1) It includes the VELO closing lines at a prescale of...
Datasets on hltperf action x5650 Description Path Stats NB data from the farm nodes (BWdiv stream) /localdisk/bw division/run164440/ ~5M events...
Overview The high voltage and bias for the PMTs are supplied by CAEN modules located in D3 (rack D3B05). The power supply system comprises an SY5527 main frame...
Open tracking and alignment tasks These tasks are part of the LS1 list. If you interested in any of these tasks please contact Silvia Borghi, Michel De Cian and Patrick...
DeanForshaw 2015 10 07
RICH 2015 Testbeam Translation Stages Control Devices manuals: Translation stages: MICOS MT 85, Motion controller: NI PCI 7330, http://www.ni.com/pdf/manuals...
With moore v24r1, pAr October settings processed: 7889 events Line: All(A) Single(S) AS SA 1:Hlt1CalibTrackingKPi...
Moore v24r1p1 (pAr) Test Status Results Hlt1Independence ongoing Draft: Hltv24r1p1pArIndependence1 Hlt2Independence Let`s see SplitNoSplitIndependen...
Latests test With Moore v24r1p1 and the September 2015 25ns threshold settings Line: All(A) Single(S) AS SA 1:Hlt1B2HH...
Independence Tests How to run Hlt1 independence tests on the LSF batch or Dirac with ganga The scripts now live in the Hlt/Hlt2CommissioningScripts package. You...
How to make the Hlt rate and timing tables with Hlt/Hlt2CommissioningScripts run.sh.txt: Script to do all steps up to the point of copying the output to the web...
JPixieBoogieWoogie (PBW) This is a Java display program that can be used as an event display in real time. It can read MDF formatted data from a file or from a network...
Monitoring of the temperature (Sept/Oct 2015) Devices specs: ELMB PT1000 FSM Monitoring The following is the Main Panel Global Monitoring Double...
LHCb Core Software Meeting Date and Location 2015 09 23 10:30 11:15 CERN (2 R 030) Attendees Andrea Valassi, Ben Couturier, Joel Closier, Liang Sun, Marco...
Fibre Inventory Overview of fiber acquisitions and batch properties This simple inventory tries to keep track of fibre procurement during the SciFi R D and pre series...
What needs to be done for the next version of Moore. The list of the committed changes is in the Moore tag collector link v24r1p1 Fix vertex chisq bug for photons...
JRichEcConfigurator This is a Java program that manages sets of elementary cell configuration parameters for use in small lab setups or beam tests. The GUI does not...
Responsibilities of the WG liaisons Carefully check any new TCKs before deployment (WGLiaisonHLTTCKCheckList) Module responsibility Module WG Responsible...
Under Construction PeterManning 2015 09 14
Test of stripping 23r1 (AKA Stripping 23c) on the test sample (nobias Reco15, filtered with nominal trigger) Decision name Rate,% Accepted Mult ms/evt...
RicardoVazquezGomez 2015 07 20 Stripping23 FAQ If you want to create a new stripping line, you should look here. The general way of testing the lines is described...
List of liaisons Full list here. RD Albert Puig (AP) SLB Patrick Owen (PO) Charm Patrick Spradlin (PS), Mike Sokoloff (MS) B2OC Matt...
LHCb Core Software Meeting Date and Location 2015 08 26 10:30 11:30 CERN (2 R 030) Attendees Ben Couturier, Gerhard Raven (Vidyo), Illya Shapoval, Joel Closier...
BandWidth division This page is to collect information regarding the bandwidth division for 2015 data taking. TOC: Data Preparation Datasets L0...
How to test the online alignment procedure on a single node Due to the necessity of having DIM, the online alignment tests can only run in the online environment,...
To enable/disable a trigger channel and to change a downscaling fraction Open the L0DU FSM On windows: G:\online\ecs\Shortcuts311\TRG\TRGL0DU\TRGL0DU...
Search for long lived heavy charged particles using a ring imaging Cherenkov technique at LHCb The paper is available here. arXiv:1506.09173, LHCB PAPER 2015 002 More...
Study of W boson production in association with beauty and charm The paper is available here. arXiv: 1505.04051, LHCB PAPER 2015 021 More detailed information: note...
Extracting information from the reconstruction databases Information used by the reconstruction is stored in four databases. DDDB is the detector description database...
Welcome to the LHCb Muon Twiki pages This page contains various twiki links related to the muon project: Muon NEW Twiki pages...
Results At this location http://mvesteri.web.cern.ch/mvesteri/HLT2015/test 240715/MooreOnline HEAD v1/ How these results were produced Note that these instructions...
Results At this location http://mvesteri.web.cern.ch/mvesteri/HLT2015/test 230715/MooreOnline HEAD v2/ How these results were produced Note that these instructions...
Results At this location http://mvesteri.web.cern.ch/mvesteri/HLT2015/test 230715/MooreOnline HEAD v1/ How these results were produced Note that these instructions...
v4.0 Monolayer design with dead regions (experimental) This version is an improved design of as a result of the https://twiki.cern.ch/twiki/bin/view/LHCb/SciFiHarmonisation...
Instructions to run 2015 Moore versions on 2015 NB data Note that since we are in commissioning phase, this page will be rapidly evolving. As usual, don`t hesitate...
Rates of Hlt2 lines in Hz The root macro that makes these numbers can be found in : /home/online/rootmacros/hlt2linedecisions.C. To sort, click on a column header...
LHCb Core Software Meeting Date and Location 2015 07 22 10:30 11:30 CERN (2 R 030) Attendees Andrea Valassi, Ben Couturier, Colas Pomies, Florian Lemaitre...
Measurement of the Z b jet cross section in pp collisions at #8730;s 7 TeV in the forward region The preprint is available here. More detailed information: note...
Dear all, Thanks for having accepted to give a talk at XXXXXX Please register to the Conference if you have not done yet and check the time allocated for your talk...
RICH 2015 Testbeam Lens This page will summarise the parameters of the RICH 2015 Testbeam lens. MichelePieroBlago 2015 07 14
Task list, incomplete Task Assigned Next milestones Management responsible Calo reconstruction Albert Partially completed, full alignment...
RICH 2014 Testbeam Monitoring Software Summary How to run the monitoring software (These instructions are valid if you are on shift, DON`T modify any files in this...
LHCb Core Software Meeting Date and Location 2015 07 08 10:30 11:30 CERN (2 R 030) Attendees Ben Couturier, Gerhard Raven, Illya Shapoval, Joel Closier, Liang...
LHCb Nightly Build System Troubleshooting and Operation It`s responsibility of the Deployment Shifters to check that the nightly builds are functional. Introduction...
LHCb Core Software Meeting Date and Location 2015 07 01 10:30 11:10 CERN (2 R 030) Attendees Andrea Valassi, Ben Couturier, Gerhard Raven, Gloria Corti, Illya...
Distributed Computing Shifter This document explains the first steps and organization of shifts in the realm of LHCb Distributed Computing. Everything that contains...
ALL Stream Decision name Rate,% Accepted Mult ms/evt StrippingGlobal...
Measurement results of the irradiated mini sensors This page contains measurement results (IV/CV, etc.) of the mini sensors that were irradiated at Boston General...
LHCb Core Software Meeting Date and Location 2015 06 24 10:30 11:00 CERN (2 R 030) Attendees Colas Pomies, Gloria Corti, Illya Shapoval, Joel Closier, Marco...
Introduction Vava copied files from run 154030 to the local disk of hltperf dell x5650. This is a run of about 1 hour from the June calibration runs with mu...
Installation in the tunnel Three stations (B0, B1, and B2) are installed on the left side of IP8 (sector 78) and two stations (F1 and F2) on the right side of IP...
LHCb Core Software Meeting Date and Location 2015 06 17 10:30 11:35 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Marco...
Measurement of the cross section for Z #8594; e e #8722; production in pp collisions at #8730;s 8 TeV The paper is available here. arXiv:1503.00963, LHCB PAPER...
Identification of beauty and charm quark jets at LHCb The paper is available here. arXiv:1504.07670, LHCb PAPER 015 016 More detailed information: note 2014 074...
Measurement of the exclusive #933; production cross section in pp collisions at #8730;s 7 TeV and 8 TeV The paper is available here. arXiv: 1505.08139, LHCB PAPER...
Measurement of the forward Z boson production cross section in pp collisions at s #8730;7 TeV The paper is available here. arXiv:1505.07024, LHCB PAPER 2015...
First observation of top quark production in the forward region The paper is available here. arXiv:1506.00903, LHCB PAPER 2015 022 More detailed information: note...
LHCb Core Software Meeting Date and Location 2015 06 03 10:30 11:05 CERN (2 R 030) Attendees Gloria Corti, Illya Shapoval, Joel Closier, Liang Sun, Marco Cattaneo...
30 Apr (Thursday) Operations dominated by MC jobs and user analysis T0: VOMS server retirement on Tuesday, all ok T1 Problem to contact...
26 March (Thursday) operations dominated by MC jobs T0: T1: eventual failures observed for user jobs trying to upload the output data to the IN2P3 User...
26 Feb (Thu) LHCb has migrated to a new catalog architecture on Monday (Dirac File Catalog). The migration went all successful. Many thanks to IT/DB and IT/PES...
LHCb Nightly builds first setup and pre requirements LHCb build nodes (clients) The Linux nightlies are built on the facility, currently composed of the following...
RolfLindner 27 May 2011 Channel efficiency Sub detectors Sub Detector Total number of channels December 2012 December 2012 June 2015 June...
SciFi Tracker Test Beam 2014 Contact: Mark Tobin (GSM: 161858) ...
Running List of missing information in the Turbo stream When missing variables are found, they should be added to the table below. Please note that only information...
LHCb Core Software Meeting Date and Location 2015 05 13 10:30 11:40 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
RolfLindner 27 May 2011 Channel efficiency Sub detectors Sub Detector Total number of channels May 2010 May 2010 July 2010 July 2010...
Alignment DB Monitoring Tools The package Alignment/AlignmentDBVisualisationTool provides the scripts plotAlignDiff , plotAlignTrends , and plotAlignHeat for...
Particle MC truth matching This page is intended for documentation related to association between LHCb::Particles and LHCb::MCParticles in DaVinci. It describes new...
LHCb Core Software Meeting Date and Location 2015 05 06 10:30 11:30 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
Centrally Produced Simulation samples for Upgrade studies A set of reference samples are centrally produced for studies of the upgrade detectors. They comprise smallish...
LHCb Stripping 2015 Early Measurements Guidelines for users and liaisons Retentions and timing have still to be defined. More news ASAP Code for the EM stripping...
NicolasPillet 2015 03 24 In the document, you`ll find all the question we ask to imec about TSMC. I remind you that Richard is the contact person for any question...
2011 Data Alignment From Global tag `cond 20130111` used in Reco14 align v6.2 20130109 align v6.2 20130109 1 align v6.2 20130109 2 https://savannah.cern.ch/patch...
The version control system is gaining more and more momentum also in the HEP community. For small/medium projects that do not fit in the regular LHCb develompent infrastructure...
2012 Data Alignment NEW corrected IOVs for 2012 data tag of CondDB XXXXX VELO: same alignment for the whole 2012 Module Tx,Ty,Tz,Rz Sensors Tx...
29 January 2015 (Thursday) `Legacy Run1 Stripping` waiting on FTS tranfers and recovery from lost files. Large MC campaign upcoming User jobs but not much happening...
RICH 1 Upgrade mechanics This page gives an inexhaustive summary of the RICH 1 mechanics. See sub project pages for details particular details. RICH 1 Mechanics sub...
Softwares Pedestal runs The software resides in SVN, and can be obtained using: svn co svn ssh://svn.cern.ch/reps/uttestbeamsoft Data should be stored on eos...
RICH 1 upgrade optics Here we should list the mechanical aspects of the optics. Nominal 3650 radius of curvature This is defined by the file here. A tab separated...
Effects of magnet polarity on the alignment of the IT Stations The study was triggered by on observation of small variations of the alignment constants between the...
For the locations of the files in the online system, go here. Training samples for the bandwidth division (2 per WG) WG channel name in testfiledb...
Line Events Correlated Overlap (%) StrippingMuIDCalib JpsiFromBNoPIDNoMip 66 66 100.0 :yellow...
General processing path This tutorial is intended for those wishing to run the trigger from threshold settings. This makes life easier when developing Hlt2 lines as...
LHCb Core Software Meeting Date and Location 2015 03 25 10:30 11:30 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Joel Closier, Liang Sun, Marco Cattaneo...
The LHCb Upgrade RolfLindner 2015 03 16
Measurement of the forward W boson cross section in pp collisions at #8730;s 7 TeV Documentation is available (LHCb PAPER 2014 033). More detailed information:...
Measurement of the inelastic pp cross section at a centre of mass energy of #8730;s 7 TeV The paper is available here. arXiv: 14012.2500 , LHCB PAPER 2014 057, JHEP...
Tracking archive Old things are put here such that they are not lost. Momentum and z scale uncertainties for stripping 17 The uncertainties on the momentum scale...
LHCb Core Software Meeting Date and Location 2015 03 04 10:30 HH:MM CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
LHCb Masterclass Software Documentation Introduction The LHCb Masterclass exercise was implemented as a stand alone application using C and ROOT, a framework developed...
Tracking and Alignment Activities List This page is listing the activities taken on by the tracking and alignment group. It is a placeholder to help the tracking convener...
ST Interactive monitor What`s this? ST interactive monitor is digital map of ST, allowing to analyze properties of different channels in the same time. It takes a...
Data Quality Anomaly Detection For offline monitoring we agreed to have the following interface for anomaly detection: compare(base URL, candidate URL, histogram...
NicolasPillet 09 Oct 2014 ...
How to (re)run the Hlt Think about your input! Moore expects to be running on L0 data Moore expects to be running before reconstruction Moore expects...
LHCb Core Software Meeting Date and Location 2015 02 04 10:30 11:15 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti, Illya Shapoval...
What to Monitor Hlt1 Hlt1 monitoring will happen in the monitoring farm with a task processing the Dec/SelReports for mass plots, rates per interaction, etc. Another...
Ganga Tutorial 1 We start with a very simple problem which doesn`t require knowledge about any other LHCb software factorizing prime numbers. Be careful what you...
LHCb Core Software Meeting Date and Location 2015 01 28 10:30 11:35 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gerhard Raven (Vidyo), Gloria...
OT Mono layer alignment Introduction In his thesis Alexander Kozlinkiy has shown that the OT sense wires are not perfectly centered in the straws. See for example...
The following is a list of python configurables which live in HLT2, the lines they contain, their authors, and suggestions for what might happen to these lines in...
RICH 2014 Testbeam DAQ Summary and Quick Start Guide The front end data are acquired by the DBs (digital boards) that are connected to the ECs (elementary cells)...
Matthew Kenzie`s TWiki Homepage List of links to working pages. Please don`t edit these pages without permission. HLT Workbook Gamma Combination Workbook...
Welcome to the LHCb Upgrade Silicon Tracker page This twiki collects information about the LHCb upgrade silicon TT and upgrade silicon IT UT (TT Upgrade) The information...
AntonisPapanestis 2015 01 08 Data Analysis Questions/Tasks Cherenkov angle Can we treat all tracks as the same track for Cherenkov angle reconstruction?...
How To Solve Compilation Warnings and Errors from Nightlies Setup Package Setup the package using nightlies configuration SetupProject Alignment HEAD nightly lhcb...
Analyses in review Analysis Proponents Status Exclusive: Upsilon; Dan, Paula sign off Dec 11 EW: Z ee (2012) David sign off November...
LHCb LS1 Project Schedule Overview LS1 2013.JPG: LS1 2014.JPG: Browse Schedule Details Useful information CV availibility ( provisional...
LHCb Core Software Meeting Date and Location 2015 01 14 10:30 11:10 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gerhard Raven (Vidyo), Gloria...
How to administer the screens in the computing operations room (2 R 14) Prerequsites You need to install TeamViewer. I recommend to install the latest version (currently...
DaVinci Physics Analysis Application Introduction DaVinci is the LHCb Analysis software, built on the Gaudi Framework. Coordinators The DaVinci release manager is...
Bs2KstKst Workbook MatthewKenzie 28 Jul 2014 Group analysis page: Code available on https://github.com/matthewkenzie/Bs2KstKst github PID resampling info: Useful...
LHCb Core Software Meeting Date and Location 2015 01 07 10:30 11:15 CERN (2 R 030) Attendees Gerhard Raven (Vidyo), Gloria Corti, Joel Closier, Liang Sun,...
Minutes of LHCb Core Software Meetings (2013) (in reverse order: most recent first) Minutes of LHCb Core Software Meetings (2014) 18 December 2013 4 December...
LHCbDIRAC v8r0 operational changes Scripts The script dirac dms add replication has been renamed dirac dms add transformation PIlot version The code...
December 2014 Reports the main 18 December 2014 (Thursday) `Legacy Run1 Stripping` campaign running full steam and progressing well, prestaging of input data...
November 2014 Reports the main 27 Nov 2014 (Thursday) MC and user jobs. Current schedule for `Legacy Run1 stripping campaign`: Davinci release is out today so...
October 2014 Reports the main 30 Oct 2014 (Thursday) MC and User jobs. Prestaging from tapes for Stripping21 campaign. T0: NTR T1: Problem with ROOT...
Search for long lived particles decaying to jet pairs The paper is available here. arXiv: 1412.3021 , LHCB PAPER 2014 062 More detailed information LHCb ANA...
Bs2JPsiGamma Workbook Strategy Update 16 Dec 2014 Adjust preselection DIRA cut to 0.9999 (preselection now ~85% signal efficient). Previously it was 0....
OBSOLETE, please see the MakeLineForTurbo and MakeLineForTurboSimplified tutorials Disclaimer This tutorial is intended to get started with the general steps of the...
Material description in LHCb About This page is to collect information about the knowledge on the material uncertainty / description for the different subdetectors...
LHCb Core Software Meeting Date and Location 2014 12 10 10:30 11:30 CERN (2 R 030) Attendees Ben Couturier, Gerhard Raven (Vidyo) Illya Shapoval, Joel Closier...
Vac commissioning procedure This page outlines the administrative and technical steps needed to commission a Vac site for LHCb. The VacConfiguration page complements...
Update of DEC to PDG 2014 Instructions Work packages The part of work, which is considered as essential contains 89 independent parts. After checking instructions...
Generators in Gauss Links to subpages: List of available generators in Gauss, Documentation for decay files The first phase of the Gauss simulation software consists...
How to find out the value of mu For a definition of mu, see here. 1. From the run database 1. Using the link from the LHCb home page to the web interface...
LHCb Core Software Meeting Date and Location 2014 11 26 10:30 11:23 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
Search for pair production of long lived heavy charged stau particles with LHCb The conference note is available (LHCb CONF 2014 001) More detailed information: note...
StefanoPerazzini 2014 11 24 LFNs list Stripped DSTs can be found here /afs/cern.ch/user/s/sperazzi/public/Stripping/S21/FinalTest/stripping21Test\ \.py B2CC Bhadron...
Setup for Herschel in TED run This page intend to collect informations on how to run Herschel in the TED run of November 21 22, 2014. Description of the setup Only...
LHCb Core Software Meeting Date and Location 2014 11 19 10:30 11:30 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Illya Shapoval, Joel Closier...
Timing Studies, i.e, how many Kalmans can be squeezed into one HLT sequence... This page explains how to study the impact of increasing the number of Kalman filter...
LHCb Trigger For Users This page provides guidance on running the trigger offline for users. Please choose one of the following links: RunningMooreOnMC: How to...
LHCbDirac client distribution and environment This document has been updated following a meeting held on December 5th with Ricardo, Hubert, Joel, Marco Cl and Philippe...
Using LHCb Software with docker containers Introduction This is a short guide to use the LHCb software stack via docker containers. Docker is a lightweight virtualization...
LHCb Core Software Meeting Date and Location 2014 11 12 10:30 11:40 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Marco...
Running the Alignment on the Grid Using the Grid Usually it`s not possible to use the Grid for alignment jobs as one want to do multiple iteration with gaudipariter...
Geometry of the testbeam optics A slide from Jibo with the optical setup: StephenWotton 2014 11 06
SciFi Tracker Test Beam Analysis Code Software Installation Ask Roman for access to the git repository and download the two packages scifiusbboard and scifibeamtest...
Cheat list for BK database Access the BK client $ SetupLHCbDirac $ python from DIRAC.Core.Base import Script Script.parseCommandLine( ignoreErrors True...
Parameters of Sim08 Monte Carlo productions Pythia6 Parameters Pythia6 version 6.427 is used. The documentation of Pythia 6.4 can be found here. Non default values...
DaVinci Tutorial 8 How to run on a stripped DST. This has been last shown on 24/10/2012. See slides. Prerequisites This assumes you know how to tun DaVinci and know...
Shift times Shift Start End Morning 8.00 16.00 Afternoon 16.00 24.00 Night 24.00 08.00 The start/end times of the shifts are...
KazuyoshiAkiba 17 Jul 2014 Setup ODIN and TFC ssh tfcodin17 do source /group/online/tfc/ccpc/ODIN/.setup v1r00 herschel ssh devtfc01 source /group/online/tfc/pvss...
UT Test Beam Datataking Information for Shifters Information on DAQ PC (pcsyr01) The pcsyr01 is running SLC 6.5 Linux OS and has a large (~ 4 TB) local disk to...
StefanoPerazzini 20 Oct 2014 Test performed on 9138811 events Bhadron Line name N evnts Rate, % ms/evt StrippingB2threebodyLine...
StefanoPerazzini 20 Oct 2014 Test performed on 8314933 events Bhadron Line name N evnts Rate, % ms/evt StrippingB2threebodyLine...
LHCb Data Preservation Twiki Page Long Term Data Preservation project The long term data preservation project is organized in five main areas (working packages):...
Bias voltage and angle scan Instructions If the windows are not already open, Use remote desktop to connect to the Windows machine in the experimental area:...
BiasVoltageScan   FedericaLionetto 23 Oct 2014
NoBias datasets from 2012 data (1.5 files `mdf:root://castorlhcb.cern.ch//castor/cern.ch/grid/lhcb/data/2012/RAW/NOBIAS/LHCb/COLLISION12/111983/111983...
NoBias datasets from 2012 data (1.5 mu 1.6). L0 3C and 3D All bb xings. runnumber mu 111983 1.53 111982 1.58 111981 1.59 111980 1.55 111979 1.59...
NoBias datasets from 2012 data (1.6 mu 1.7). L0 3D 42 bbxings after L0 Phys (417603 events, for L0 42 substitute 3D by 42): files `mdf:root://castorlhcb.cern...
NoBias datasets from 2012 data (mu 1.73). L0 42 and 44/45 bbxings after L0 Phys, small files 250459 events (for L0 44/45 substitute 44/45 for 42) : files `mdf...
NoBias datasets from 2012 data (mu 1.73). L0 46 bbxings after L0 Phys, small files 182886 events: files `mdf:root://castorlhcb.cern.ch//castor/cern.ch/user/e/evh...
EventFilter python wrapper howto Prerequisites SSH client, lxplus account and webbrowser with internet connection Running Event Filter in IPython Notebook login...
Reprocessing checklist for 2010 data This page contains a checklist of deliverables needed before the green light can be given for reprocessing of 2010 data with...
This page contains a checklist of deliverables needed before the green light can be given to a reprocessing. A copy of this checklist should be filled in for each...
StefanoPerazzini 21 Oct 2014 Test performed counting the built intermediate standard particles in 5000 events of a Collision12 Reco14 full.dst Standard Particle...
AlbertComerma 21 Oct 2014 PACIFIC prototypes in IBM technology: PACIFICr0 Preamplifier...
Calo Electronic Setup for Herschel This page intend to collect useful informations on how to use the CaloFE electronic setup for Herschel, the control software and...
LHCb Core Software Meeting Date and Location 15 Oct 2014 10:30 11:10 CERN (2 R 030) Attendees Anastasia Karachaliou, Gloria Corti, Joel Closier, Marco Cattaneo...
Preparation in view of the LHCb upgrade Infrastructure Electronics Item Contact Person VeLo UT RICH 1 Rich 2 SciFi ECAL HCAL...
EventFilter (EF) is a service that trains classifier models (or formulae) online. Currently it supports only MatrixNet ( ) classifier, but it could be extended in...
Commissionning of the Herschel FE Crate CROC Toolset Little note on the action behind the buttons of the CROC panel the ChannelB Calibration button tells the...
(rrom Clara) Here are some instructions on how to use LHCb1: (at the moment HLTB03 is reserved for LHCb1, so we use only this sub farm) To Run HLT1 from old deferred...
LHCb Trigger For Experts This page provides information for trigger experts/shifters Hlt Piquet Guide HLT Piquet Guide Hlt Online Issues HLT Online Reference...
NicolasPillet 14 Aug 2014 Here you can find major information we have from CERN team about TSMC instalation. Attached is a document made by Laurent after mail exchange...
September 2014 Reports the main 29 Sep 2014 (Monday) MC and User jobs. T0: Jobs failed to download file from EOS GGUS:108861 Fixed T1: SARA MATRIX...
August 2014 Reports the main 28 August 2014 (Thursday) MC and User jobs: average 15,000 concurrent jobs, peaks at 35,000 Data transfers: DM operations...
LHCb Core Software Meeting Date and Location 9 Jun 2010 10:30 11:45 CERN (2 R 030) Attendees Hubert, Illya, Joel, Karol, Marco Ca., Marco Cl. (minutes), Markus...
Description of the hardware and software setup The Calo test rack The calo test rack is located in 2885 2 0001 (2nd floor above the control room at the pit). The...
Hands on CAT and the boards An easy one to start: Recording noise in the CROC Open CAT and the appropriate config file (see previously). Open the configuration...
There is a script in the data receiving PC, which for the moment is the vedev01 in the lbdaq network you need to execute as follows: kakiba@vedev01 /data sudo...
LHCb Core Software Meeting Date and Location 01 Oct 2014 10:30 11:50 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti (Vidyo), Illya...
StefanoPerazzini 03 Sep 2014 Stripping21 configuration B2CC WG Bhadron Stream Line Builder Stripping Line Location Raw Event MDST.DST Flavour...
Production Owner Manual for Parked Data (i.e. Parking Valet) Introduction Some special data sets or streams, like the 2013 2.76 TeV data, are not part of the standard...
LHCb Developments tricks Unfortunately I spent a large amount of my time familiaizing myself with how this project works and how django/sql and web development work...
Observation of Z production in proton lead collisions at LHCb The paper is available here. arXiv: 1406.2885 LHCB PAPER 2014 022 JHEP 1407 (2014) 094 More detailed...
Staged Reconstruction This page collects ideas on how to modify the offline track reconstruction to build on the work done by the HLT, as opposed to starting from...
Useful Information in Tracking Reconstruction PatPV Configuration in early data Beam position information was not precise enough before 2010, therefore all the reconstructed...
StefanoPerazzini 10 Sep 2014 Bandwidth per WG and per stream B2CC Bhadron Line name N evnts Rate, % ms/evt...
LHCb Core Software Meeting Date and Location 10 Sep 2014 10:30 11:50 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti (Vidyo), Illya...
StefanoPerazzini 03 Sep 2014 Stripping21r1 configuration B2CC WG Bhadron Stream Line Builder Stripping Line Location Raw Event MDST.DST Flavour...
Observation of associated production of a Z boson with a D meson in the forward region The paper is available here. LHCB PAPER 2013 062 arXiv: 1401.3245 JHEP 4...
Tracking in the High Level Trigger Tracking in 2015 Running the tracking only HLT tests There is a suite of qmtests available at Hlt/Moore/tests/qmtest/moore/physics...
Testing the nightly builds performance and regressions In the LHCb Computing Framework, Unit tests defined as QMtests can be run on the software, as explained in:...
LHCb Software Training: Basics This hands on tutorial should be followed by all newcomers to the LHCb software environment. It covers the following topics: Prerequisites...
Big Gamma Combination Workbook MatthewKenzie 28 Jul 2014 Please don`t edit this page without permission Introduction Really useful paper with equations is `Effective...
Chi2 study This page collects information about study of the tracks enormous chi2. Analysis tool After creation the NTuple by the Gaudi based algorithm the data can...
July 2014 Reports the main 31 July 2014 (Thursday) MC and User jobs mostly T0: Problem with loss of sandboxes physical machine (volhcb15: INC...
June 2014 Reports the main 30 June 2014 (Monday) Main activity: MC and User jobs T0: Brazilian proxy problem on EOS (GGUS:106434) T1:...
May 2014 Reports the main 30 May 2014 (Friday) MCsimulation and User jobs. T0: NTR T1: GRIDKA: Pilots aborted (GGUS:105867) GRIDKA...
April 2014 Reports the main 2 May 2014 (Friday) MCsimulation, Working Group Production tests and User jobs. T0: T1: RAL : Jobs hitting CVMFS...
NicolasPillet 14 Aug 2014 Status of the migration of Pacific block. In the following table you will find the exact name of the block, the status of the migration...
Here, we provide interesting plots to share with the group First observation of correlation between DUT and telescope hits In run `/29 07/run 000016 2907 1950.ali...
DaVinci Tutorial 4 Introduction The purpose of this exercise is to allow you to write a set of complete though simple selection algorithms for a typical decay: Bs...
Observation of charmonium pairs produced exclusively in pp collisions The paper is available here. arXiv:1407.5973 More detailed information: note 2014 014 Abstract...
HLT Logbook Please don`t edit these pages without permission. Running on 2015 Dev MC Thanks to Alex Shires for his help with getting this stuff to work Current...
Reports and Publications This page is under construction. Classification by collections LHCb RICH Notes Internal notes LHCb RICH Notes Public notes...
Stripping framework Contents Introduction The current stripping framework is based on the code of Hlt2Lines and follows its concept. Stripping framework consists...
LHCb Core Software Meeting Date and Location 16 Jul 2014 10:30 10:45 CERN (2 R 030) Attendees Anastasia Karachaliou, Gloria Corti, Illya Shapoval, Liang Sun...
Procedures to create and release Standard LHCb RPMs Building C Project RPMs ToDo: Explain how to use the lhcb release slot Adding RPMs to the LHCb yum repository...
LHCb Core Software Meeting Date and Location 09 Jul 2014 10:30 10:55 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti, Illya Shapoval...
Project VIPER The intention of this package is to provide examples of how to work with the IT code in python and ROOT. The scripts are not well maintained and will...
AnastasiyaMelnik 02 Jul 2014
LHCb Core Software Meeting Date and Location 02 Jul 2014 10:30 10:45 CERN (2 R 030) Attendees Anastasia Karachaliou, Gloria Corti, Illya Shapoval, Joel Closier...
Check QM Tests Procedure First setup the package following prescriptions in page. Then go to your package`s cmt directory and run cmt TestPackage For running a single...
LHCb Core Software Meeting Date and Location 25 Jun 2014 10:30 11:20 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
v3.0 Bilayer design with dead regions This version is an experimental design of a Bilayer FT with three distinctive features: no `triangles`, i.e. horizontal...
First measurement of the charge asymmetry in beauty quark pair production The preprint is available here. arXiv: 1406.4789 More detailed information: note 2014...
DaVinci Tutorial 0 We start with just running DaVinci for the first time, and getting some meaningful output. If you ever need to go back to the drawing board, you...
SVN (Subversion) LHCb UT Q/A repository `lhcbut` LHCbUT repository has following goals: To host official database of test results on UT components and prototypes...
LHCb Core Software Meeting Date and Location 11 Jun 2014 10:30 11:10 CERN (2 R 030) Attendees Alex Grecu, Anastasia Karachaliou, Ben Couturier, Gloria Corti...
Installing the LHCb Software on Linux Platforms not Officially Supported Introduction This page contains information on how to install and run the LHCb software on...
LHCb Core Software Meeting Date and Location 04 Jun 2014 10:30 11:10 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti, Illya Shapoval...
BeautyDIRAC v1r1 (AKA LHCbDIRAC v7r16) operational changes Changes in the OSCompatibility section of the CS (applies to the site managers) Changes are described...
Ganga is an enhanced python interpreter, designed for job submission to the GRID. It is made with the philosophy of: write options file once, deploy everywhere. To...
Vectorize Source Code Brief introduction to Vectorization General Vectorization is nothing but parallel processing of multiple data. According to taxonomy it belongs...
LHCb Core Software Meeting Date and Location 28 May 2014 10:30 10:50 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti, Illya Shapoval...
Measurement of charged particle multiplicities and densities in pp collisions at #8730;s 7 TeV in the forward region The paper is available here. arXiv: 1402....
What are Configurables? Configurables (sometimes called ConfigurableUser depending on context) are classes which can carry out specific tasks aka configure your...
Measurement of the forward energy flow in pp collisions at #8730;s 7 TeV The preprint is available here. Eur. Phys. J. C73 (2013) 2421 arXiV:1212.4755 More...
How to measure the trigger efficiency This is valid from DaVinci v26r3 Introduction This page explains the best ways to determine if an event has passed the Hlt,...
Generate, digitize and reconstruct two signal events with decays Bd J/Psi(mumu)Kshort This tutorial shows you how to simulate, digitize and reconstruct signal events...
Open Access and Outreach Tasks WP5.T1: Masterclass exercise with Camelia event display WP5.T2:Integration between Yandex event indexer search engine for...
Template to contact speakers, when their talk cover several experiments Dear all, As we discussed during your rehearsal session, once you have implemented the comments...
LHCb Core Software Meeting Date and Location 14 May 2014 10:30 11:10 CERN (2 R 030) AttendeesBen Couturier, Illya Shapoval, Joel Closier, Marco Cattaneo, Marco...
LHCb Core Software Meeting Date and Location 07 May 2014 10:30 11:10 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti (Vidyo), Liang...
LHCb Core Software Meeting Date and Location 30 Apr 2014 10:30 HH:MM CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti, Illya Shapoval...
LHCb Core Software Meeting Date and Location 10:30 HH:MM CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti, Illya Shapoval, Joel...
Upgrade HLT emulation This page provides information about the upgrade HLT emulation. Installation $ SetupProject brunel v45r1 build env # these extra packages are...
LHCb Core Software Meeting Date and Location 23 Apr 2014 10:30 11:30 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Illya Shapoval, Joel Closier...
This page is obsolete. Please link to LHCbNightlies instead. Configuring and troubleshooting the old nightlies These links are provided here for historical interest...
Study of forward Z jet production in pp collisions at #8730;s 7 TeV The paper is available here. JHEP 1401 (2014) 033 arXiv: 1310.8197 More detailed information...
Dear XXX, The schedule for the XXX rehearsals is now in indico and added below. The rehearsals are `vidyo only`. indico links: XXX This is a kind reminder in order...
LHCb File Summary Record FileSummaryRecord: AKA FSR is a section of data within an LHCb data file reserved for metadata about the file content....
2010 Data Alignment From Global tag `cond 2014xxyy` used in Reco14 align v6.2 20140409 https://savannah.cern.ch/patch/?5819 Update the TT/IT/OT alignment for...
Rates of all Hlt2 lines in Hz The Lumi rate is the rate inside physics data. Hlt2 line Run: 97871 (L0 800 kHz, mu 1.4) Run: 102422 (L0 800 kHz, mu 1.3)...
LHCb Core Software Meeting Date and Location 09 APR 2014 10:30 10:50 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier (minutes), Joel Closier...
v2.0 Monolayer design with dead regions Panoramix pictures Px1 v20 Full view: , https://twiki.cern.ch/twiki/pub/LHCb/SciFiPicv20/Px1 v20.png png...
March 2014 Reports the main 31st March 2014 (Monday) Stripping, MCsimulation and User jobs. T0: NTR. T1: Pledge at GRIDKA will be provided today (20TB...
RawEventJuggler, moving/modifying the contents of the raw event. This page describes what to do to move around the raw event, what frameworks we have in place to manage...
February 2014 Reports the main 27 Feb 2014 (Thursday) MCsimulation, user jobs and Stripping. T0: NTR T1: NTR 24 Feb 2014 (Monday) MCsimulation...
January 2014 Reports the main 30 Jan 2014 (Thursday) Mostly simulation and user jobs. Smooth running over most of the grid. T0: NTR T1: Brief problem...
December 2013 Reports the main 19th December 2013 (Thursday) reprocessing of ProtonIon collisions in full swing at CERN/GRIDKA At other sites main activities...
November 2013 Reports the main 25th November 2013 (Monday) Main activities is Simulation at all Sites. T0: T1: Reminder for all dCache sites...
October 2013 Reports the main 30th October 2013 (Thursday) Main activities are incremental stripping (T0/1) and Simulation(T2) T0: T1: SARA...
September 2013 Reports the main 30th September 2013 (Monday) Main activity are MC productions. Fall incremental stripping campaign will be launched this...
2014 Daily operations reports Click on the month to see daily reports: 2014 2014 2014 2014 2014 2014 2014 2014 2014...
2013 Daily operations reports Click on the month to see daily reports: 2013 2013 2013 2013 2013 2013 2013 2013 2013...
GaudiDiff, for intelligent auto diffing of two gaudi jobs (the result of #50644 ) ....... Introduction A common annoyance with LHCb jobs is the huge amount of stdout...
LHCb Core Software Meeting Date and Location 26 Mar 2014 10:30 11:20 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti, Illya Shapoval...
GaudiExcise, slice out an algorithm from Gaudi to run in its own sandbox excise tr. vb. ( #277;k #8242;s #299;z #8242;) : To remove by or as if by cutting...
HLT Developers Checklist LHCb code development is fully described in SVNUsageGuidelines. You must be familiar with the guidelines laid out there, for which this page...
Bender: for interactive analysis in LHCb Ostap Bender: (Russian: #1054; #1089; #1090; #1072; #1087; #1041; #1077; #1085; #1076; #1077; #1088;; also Ostap Suleyman...
File Merger: a very simple configurable application of LHCb in Noether ... perhaps I should have called it concatenate ... (the result of #32774 ) ....... What is...
L0 Trigger Organization Project Leader R. Le Gac L0 Calorimeters P. Robbe L0 Muon J. Cogan L0 Pile up M. Van Beuzekom L0DU R. Lef...
Noether: an LHCb project wrapper for applications of the most base algorithms/classes Emmy Noether: (German: #712;n...
LHCb Calorimeter Upgrade LAL Twiki pages R...
LHCb Core Software Meeting Date and Location 19 Mar 2014 10:30 11:05 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Illya Shapoval, Joel Closier...
LHCb Core Software Meeting Date and Location 12 Mar 2014 10:30 11:05 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti, Illya Shapoval...
Boole, how to reprocess Introduction Brunel is very much setup to reprocess existing DSTs, but Boole was never engineered for that, and you need to do some work....
Inclusive jets and dijets in LHCb The paper is available (LHCb CONF 2011 015). LHCB CONF 2011 015 Abstract The region #951; 3 is a kinematic range of interest...
Measurement of #963;(bb #713;) with inclusive final states The conference note is available (LHCb CONF 2013 002) More detailed information: note 2012 022 Abstract...
Measurement of the forward central bb #713; production asymmetry The conference note is available (LHCb CONF 2013 001) More detailed information: note 2013 007 Abstract...
Central Exclusive Dimuon Production at #8730;s 7 TeV Note: the results are superseded by paper 2012 004, except the result on #967;c The paper is available (LHCb...
Graphical comparison of the LHCb measurements of W and Z boson production with ATLAS and CMS The accompanying note is available (LHCb CONF 2013 005). More detailed...
Inclusive low mass Drell Yan production in the forward region at #8730;s 7 TeV The conference note is available (LHCb CONF 2012 013). More detailed information...
Measurement of jet production in Z0/ #947; #8727; #8594; #956; #956; #8722; events at LHCb in #8730;s 7 TeV pp collisions Note:this result is superseded by the paper...
Measurement of the cross section for Z #8594; #956; #956; production with 1 fb #8722;1 of pp collisions at s #8730; 7 TeV Documentation is available (LHCb CONF...
Documentation of Simulation (Gauss) and Digitization (Boole) SilviaMiglioranzi 30 Dec 2008 General Info Geant4: Physics Manual, Review (G. Corti) General...
LHCb Core Software Meeting Date and Location 05 Mar 2014 10:30 11:45 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Chris Jones (Vidyo), Gloria...
Updated measurements of exclusive J/ #968; and #968;(2S) production cross sections in pp collisions at #8730;s 7 TeV The paper is available here. arXiv:...
Meeting 26 February 2014 Participants: Georg Schwering (Aachen), Alessandro Iovene (CAEN), Guido Haefeli EPFL), Pascal Perret (Clermont Ferrand), Nicoleta Dinu...
Meeting 12 February 2014 Participants: Georg Schwering (Aachen), Alessandro Iovene (CAEN), Guido Haefeli EPFL), Pascal Perret (Clermont Ferrand), Nicoleta Dinu...
LHCb Core Software Meeting Date and Location 19 Feb 2014 10:00 HH:MM CERN (2 R 030) Attendees Gloria Corti, Illya Shapoval, Joel Closier, Liang Sun, Marco...
TupleTools and Configurables An FAQ and reminder about Configurables, specifically focussing on TupleTools. Prerequisites: The gaudi framework handles our job configuration...
System Configuration The LHCb Nightly Build System consists of a few key components that need to be configured in a consistent way to function correctly. Here we describe...
LHCb Nightly builds setup and configuration The system expects to find build machines (both server and clients) configured in the way described here: LHCbNightliesPrerequirements...
LHCb Core Software Meeting Date and Location 06 Oct 2010 10:40 11:35 CERN (2 R 030) Attendees Hubert, Illya, Joel, Karol, Marco Ca., Marco Cl. (minutes), Markus...
NoBias datasets split by number of PVs and energy For datasets after applying the L0 trigger see here. Nb of PVs 1.38 TeV 3.5 TeV 4 TeV 1 100k out of...
LHCb Core Software Meeting Date and Location 05 Feb 2014 10:30 12:00 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, #Liang...
Working with LHCb Software and SLC6 SLC6 on lxplus.cern.ch On the 6th of May 2013 , the CERN IT Department changed the lxplus.cern.ch alias to point to the new...
LaurenceCarson 27 Jan 2014 Bandwidth per WG and per stream Note: 5 kHz trigger rate is used in the calculation. Test sample is $STRIPPINGSELECTIONSROOT/tests/data...
NoBias datasets split by number of PVs and energy These datasets were obtained by applying the L0 33 trigger to the No Bias datasets from page. Nb of PVs 1....
RawBuffer In the DC04 software, RawBuffer was a class used to construct, in Boole, a raw data buffer whose format is identical to that made available by the DAQ system...
LHCb Core Software Meeting Date and Location 22 Jan 2014 10:30 11:20 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Liang Sun, Marco...
BeautyDIRAC v1r0 (AKA LHCbDIRAC v7r15) operational changes Changes in the production steps management (applies to all application managers) Steps have 2 new...
Gauss Upgrade Recipes This page will be updated as the Gauss versions evolve. Setting up Gauss Enviornment Setup Gauss Enviornment Setting up Beam Configuration...
ROOT and POOL persistency, IO and IOHelper This twiki describes the tools to make the migration of POOL to ROOT in LHCb as was needed some time ago. These days all...
Test Driven Development in LHCb Test Driven Development (tdd) is a software development process that relies on the repetition of a very short development cycle, based...
Study of J/ #968; production and cold nuclear matter effects in pPb collisions The paper is available here. arXiv: 1308.6729 more detailed information: note 2013...
First analysis of the pPb pilot run data with LHCb The paper is available here. LHCb CONF 2012 034 More detailed information: note 2012 116 Abstract A first analysis...
Search for Higgs like bosons decaying into long lived exotic particles The conference note for the preliminary results is available: LHCb CONF 2012 014. More detailed...
Neutral Higgs limits at #8730;s 7 TeV using the channel #964; #964; The preprint is available here. J. High Energy Phys. 05 (2013) 132 arXiv:1304.2591 More detailed...
Exclusive J/ #968; and #968;(2S) production in pp collisions at #8730;s 7 TeV The paper is available here. J. Phys. G40 (2013) 045001 arXiv:1301.7084 More detailed...
Inclusive W and Z production in the forward region at #8730;s 7 TeV The preprint is available here. J. High Energy Phys. 06 (2012) 058 arXiv:1204.1620 More detailed...
Z cross section measurement at #8730;s 7 TeV using the channel Z #8594; #964; #964; The preprint is available here. J. High Energy Phys. 01 (2013) 111 arXiv:...
Measurement of the cross section for Z0 #8594; e e #8722; production in pp collisions at #8730;s 7 TeV The paper is available here. J. High Energy Phys. 02 (...
Measurement of charged particle multiplicities in pp collisions at #8730;s 7 TeV in the forward region The preprint is available here. Eur. Phys. J. C 72 (...
Measurement of the inclusive #981; cross section in pp collisions at #8730;s 7 TeV The preprint is available here. Phys. Lett. B 703 (2011) 267 273 arXiv:...
Measurement of V0 production ratios in pp collisions at #8730;s 0.9 and 7 TeV The preprint is available here. More detailed informations: note 2011 026 Eur. Phys...
Prompt K0S production in pp collisions at #8730;s 0.9 TeV The preprint is available here. Phys. Lett. B 693 (2010) 69 80 arXiv:1008.3105 More detailed information...
Supporting material for: Study of forward Z jet production in pp collisions at #8730;s 7 TeV Figures (pdf and eps versions are available under attachments)....
Reference pp cross sections for J/ #968; studies in proton lead collisions at #8730;sNN 5.02 TeV and comparisons between ALICE and LHCb results The paper is...
LHCb Core Software Meeting Date and Location 15 Jan 2014 10:30 11:30 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
mkproject Overview mkproject releases a new version of a LHCb project on $PWD. if $PWD is a release area (Gaudi or LHCb) it creates a volume , then...
There is a new framework for Multi Variate Selections in DaVinci! Please have a look at DaVinciTutorial9 to learn how it works. Any new selections, please use the...
SciFi logo proposals : Doodle Poll: http://www.doodle.com/pmbimtvxf5gkcxa4 (HC) Dandelion, Pusteblume, Pissenlit: (OG) Fibre Matrix: (PG)...
Minutes of LHCb Core Software Meetings (2012) (in reverse order: most recent first) Minutes of LHCb Core Software Meetings (2013) 19 December 2012 12 December...
WP1: Data preservation The goal of this work package is the definition of a policy for the long term future preservation of LHCb data (bit preservation). Tasks...
Long Term Validation Framework Tasks WP3.T1: Include in LHCbPR reference results for the different steps of data processing / MC generation: T1.1 Gauss...
Analysis preservation The goal of this work package is to develop a framework where users can archive all the material of their analysis, from data to final publication...
WP2: Software preservation Tasks WP2.T1: Definition of Run 1legacy software release WP2.T2: Definition of tests to regularly check the data processing / MC...
MassBiasesMonitor and MassBiasesFitter Notes MassBiasesMonitor and MassBiasesFitter are a configurable GaudiHistoTool and executable, respectively, that are part...
LHCb legacy trigger development TWiki This page is for discussion/plans on rerunning old trigger software in the future 2015 The strategy document `Legacy Trigger...
LHCb Core Software Meeting Date and Location 18 Dec 2013 10:30 11:25 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
LHCb Upgrade MC Sample Deletion This page is used to determine which Upgrade MC samples can be safely deleted. The FINAL DEADLINE for marking samples to be preserved...
Grid Computing Shifters Checklist This twiki shall provide a guideline for shifters on what kind of services need to be checked during a offline production shift...
LoKi`s Generator (HepMC) Particle Functions G3Q , the instance of LoKi::GenParticles::ThreeCharge() The simple function which returns the triple charge of the...
Information for LHCb Tier 2 sites mailing list of Tier 2 sites attached to Tier 1 storage elements SSB dashboard T2Commissioning procedure, for...
Software Optimization Profiling Documentation for profiling can be found herer: https://twiki.cern.ch/twiki/bin/view/LHCb/CodeAnalysisTools Benchmarking Information...
How long has my trigger been active for? Some unofficial numbers are given below to help you work out how long your trigger line has been active for. This was calculated...
Correlations of Hlt lines This pages shows some statistics from 2012 data. For more details refer to (svn). The code is in https://svnweb.cern.ch/trac/lhcb/browser...
LHCb Core Software Meeting Date and Location 04 Dec 2013 10:30 11:20 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Marco Cattaneo, Marco Clemencic...
DaVinci Tutorial 9a Adding a custom Multivariate Algorithm to the MVADictTools This tutorial is an extension to DaVinciTutorial9 and shows how to implement a new...
SSB pages explained This twiki provideds detailed information about the `Site Status Board (SSB)` pages where needed. SSB is a tool provided by CERN/IT for monitoring...
LHCb Core Software Meeting Date and Location 27 Nov 2013 10:30 11:52 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
DaVinci Tutorial 6 This is all about running DecayTreeTuple and some more. Slides This tutorial corresponds to the slides last shown here. (i.e. that is an entire...
LHCb Core Software Meeting Date and Location 20 Nov 2013 10:30 11:30 CERN (2 R 030) Attendees Liang Sun, Illya Shapoval, Gloria Corti, Marco Cattaneo, Joel...
Alignment Activities List This page is listing the activities taken on by the tracking and alignment group. It is a placeholder to help the tracking convener to follow...
Discussion on JIRA Configuration During the LHCb Computing Workshop it has been decided to prepare a list of requirements and use cases that must be fulfilled by the...
IllyaShapoval 08 Nov 2013 Preparing a tag in git It is advised to create annotated tag, instead of lightweight. git tag a vX.Y.Z m `.....` git push origin vX.Y...
IllyaShapoval 11 June 2013 Ariadne pages Introduction Getting started Ariadne FAQ Publications Here is the list of notes and publications with detailed...
Data preservation tasks These tasks are part of the LS1 list. If you interested in these tasks please contact Marco Cattaneo, Silvia Amerio, Pete Clarke, Tim and Patrick...
LHCb Core Software Meeting Date and Location 30 Oct 2013 10:30 11:14 CERN (2 R 030) Attendees Ben Couturier, Conor Fitzpatrick, Gloria Corti (Vidyo), Illya...
MonteCarlo production
LHCb Public Data All LHCb published results are available to general public on Inspire. Plots and data published in the papers can be made available in the Plots...
DaVinci Tutorial 7 This is all about the advanced configuration of DecayTreeTuple . Slides This tutorial corresponds to the slides `New developments in DecayTreeTuple...
OBSOLETE LHCb trigger twiki pages Please choose one of the following links: How to (re)run the HLT on MC How to look at DSTs produced by Moore How to...
LHCb Upgrade Simulation This is the main page from which you can find information on Simulation for the LHCb upgrade. Studies up to the Upgrade LoI...
Upgrade physics and trigger studies Realistic LLT efficiencies
D0 to hhpi0 analysis Documentation Talks Mika Vesterinen, pi0 in the HLT, Hlt Ops meeting, 21st June 2013 Mika Vesterinen, Update on hhpi0, Charm WG meeting...
DaVinci Tutorial 3 This tutorial is optional. It shows you how to change a specialised algorithm in something more generic. When you`ll be writing your own algorithms...
DaVinci Tutorial 5 We have the sequence to select Bs candidates but no idea if we do it right. We will start with adding some debugging tools. Slides This tutorial...
DaVinci Tutorial 1 We start with a very simple algorithm that looks at muons and fills some histograms. Follow it step by step. Every single line you need to write...
List of tasks to be done for the Open Days at LHCb This is the list of small task that still need to be done for the Open Days. Poster of Delphi Done Daniel...
How to prepare a new machine for running the nightlies Overview of existing machines LHCbNightliesPrerequirements Scientific Linux release specific information...
LHCbNightliesLogbookThomas ThomasHartmann 10 May 2011
Load on buildlhcb0 1 6 ThomasHartmann 25 Jan 2012 24h load on buildlhcb01 aka lxbuild161: 24h load on buildlhcb02 aka lxbuild162:...
LHCb Core Software Meeting Date and Location 25 Sep 2013 10:30 11:00 CERN (2 R 030) Attendees Ben Couturier, Illya Shapoval, Joel Closier (Vidyo), Liang Sun...
SAMJob results in SAM Nagios still under development ( but should already work in the certification/development infrastructure ) Summary The general job state...
LHCb Core Software Meeting Date and Location 18 Sep 2013 10:30 11:55 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Joel Closier, Liang Sun, Marco Cattaneo...
Bandwidth per WG and per stream Note: 5 kHz trigger rate is used in the calculation. Test sample is $STRIPPINGSELECTIONSROOT/tests/data/Reco14 2011Data MagDn New.py...
Bandwidth per WG and per stream Note: 5 kHz trigger rate is used in the calculation. Test sample is $STRIPPINGSELECTIONSROOT/tests/data/Reco14 Run125113.py (...
Overview An LHCb software project is basically a collection of packages that, optionally, depend on other projects. A project is described by a CMT description file...
Bandwidth per WG and per stream Note: 5 kHz trigger rate is used in the calculation. Test sample is $STRIPPINGSELECTIONSROOT/tests/data/Reco14 Run125113.py (...
Bandwidth per WG and per stream Note: 5 kHz trigger rate is used in the calculation. Test sample is $STRIPPINGSELECTIONSROOT/tests/data/Reco14 2011Data MagDn New.py...
Collection of open tasks Status of HLT abstracts submitted to conferences Collection of open tasks Open tasks Oct 2012 Rates Hlt rates for Sept 2012 with...
Open simulation tasks or tasks with simulation involvement This page is obsolete. See LHCbPhysics.MCTasks. Implementation of alternative formats for MC data See Tasks...
Open computing and software tasks These tasks are part of the LS1 list. If you interested in any of these tasks please contact Marco Cattaneo, Tim Gershon and Patrick...
LHCb Core Software Meeting Date and Location 04 Sep 2013 10:30 12:20 CERN (2 R 030) Attendees Ben Couturier, Bram Bouwens (Vidyo), Illya Shapoval, Joel Closier...
GaudiPython Tutorial This tutorial focuses on how to use GaudiPython to explore a DST or MicroDST, and make some simple plots of quantities derived from their contents...
How to launch an `empty` production Empty productions do not contain an Input Data query. These can be used to reproduce files which were lost from site storage (e...
Bandwidth per WG and per stream Note: 5 kHz trigger rate is used in the calculation. Test sample is $STRIPPINGSELECTIONSROOT/tests/data/Reco14 Run125113.py (...
Bandwidth per WG and per stream Note: 5 kHz trigger rate is used in the calculation. Test sample is $STRIPPINGSELECTIONSROOT/tests/data/Reco14 2011Data MagDn New.py...
August 2013 Reports the main 29th August 2013 (Thursday) Main activity are MC productions Plan to start another incremental stripping campaign in mid Sept...
July 2013 Reports the main 29th July 2013 (Monday) Mostly MC productions ongoing, tail of reprocessing and restripping campaign T0: CERN: NTR...
June 2013 Reports the main 27th June 2013 (Thursday) Incremental stripping campaign in progress and MC productions ongoing T0: T1: GridKa...
May 2013 Reports the main 30th May 2013 (Thursday) Incremental stripping campaign in progress and MC productions ongoing T0: (GGUS:94346) cvmfs doesn`t...
April 2013 Reports the main 29th April 2013 (Monday) Restriping campaing has started on Saturday T0: T1: RAL (UK sites) Some MC jobs failing to upload...
March 2013 Reports the main 25th March 2013 (Monday) Mainly user jobs with some MC ongoing. Preparation for Re Stripping to be launched next week. T0:...
Bandwidth per WG and per stream Note: 5 kHz trigger rate is used in the calculation. Test sample is $STRIPPINGSELECTIONSROOT/tests/data/Reco14 Run125113.py (~3.3M...
LHCb Core Software Meeting Date and Location 28 Aug 2013 10:30 HH:MM CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Joel Closier, Liang Sun, Marco Cattaneo...
Bandwidth per WG and per stream Note: 5 kHz trigger rate is used in the calculation. Test sample is $STRIPPINGSELECTIONSROOT/tests/data/Reco14 2011Data MagDn New.py...
Bandwidth per WG and per stream Note: 5 kHz trigger rate is used in the calculation. Test sample is $STRIPPINGSELECTIONSROOT/tests/data/Reco14 Run125113.py (...
Swimming Tutorial: Swimming the Trigger Overview This tutorial is focussed on running a job to swim the trigger on Stripping17 data. The tutorial is structured as...
Space tokens deployment Space tokens after April 2011 After this date, LHCb has 3 space tokens at each T1 site plus T0 LHCb Disk and LHCb USER: type T0D...
#Make the Moore release area. (Moore is the project for the High Level Trigger. More documentation can be found in this twiki page.) cd $User release area SetupProject...
The enviornment needs to be setup for the recent Gauss version which evolves over time. The following recipes are examples of what was used in April,8 2013:...
LHCb specific probes in the CERN/IT SAM/Nagios framework This twiki provides a description of probes used in SAM/Nagios and were speficially developed for LHCb. Descriptions...
Tier 2 Commissioning procedure This page will contain the procedures for adding new Tier 2 sites for use by LHCb. These steps are assumed by the T2DCommissioning procedure...
Top 100 users: Ordered list of directories by usage: Storage usage for user muresan: 30.973 TB (quota: 2.0 TB) PhilippeCharpentier 07 Mar 2012
BOINC TODO list Avoid stalled jobs Our current setup is : The VM is running for a set amount of time (currently 24 hours) The JobAgent has no limit on its...
May 21, 2013 Dortmund: till middle of June: Dispenser (automatic glueing) and first mats forHeidelberg casting tests second half of June: winding raw fiber mats...
The orginal scripts for FLUKA simulation on the GRID were developed by Vadim Talanov and his coleague. I adapted them for background simulation and made some things...
LHCb Core Software Meeting Date and Location 24 Jul 2013 10:30 11:50 CERN (2 R 030) Attendees Alex Grecu, Ben Couturier, Illya Shapoval, Joel Closier, Liang...
Scope The two ends of the fibre ribbons need to be machined to high optical quality in order to maximize transmission and minimize diffusion. The non read end needs...
LHCb Core Software Meeting Date and Location 10 Jul 2013 10:30 11:20 CERN (2 R 030) Attendees Alex Grecu, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
Development for the next restripping Suggested order of combinatorics Filter on HLT decision (Hlt2CharmHadD02hhXDst), and global event cut ( 500, PID, Ghost,...
The Demonstrator Module The Endcap SciFiDemoEndcap Sub group Leader: Trevor Savidge Institutions: Imperial College with inputs from EPFL (SciFiDemoElectronics), CERN...
Development for the electronics status 5.July 2013: 1) New flex PCB is ready for production, we will order 20pce and assembly some with detectors. The expeced date...
Vac The website has Vac`s man pages, RPMs, and Admin Guide. The page VacConfiguration explains how sites should configure Vac for LHCb. The page VacCommissioning sets...
LHCb Core Software Meeting Date and Location 26 Jun 2013 10:30 11:10 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Marco...
Instructions for Subversion librarians This page is intended for Subversion librarians (currently Hubert Dega