# 500 Recent Changes in LHCb Web retrieved at 20:17 (GMT)

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...
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...
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
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...
Physics Software Release Schedules This page documents release schedules agreed at the Applications Coordination meetings. Details of the contents of future releases...
SciFi Module Assembly and Quality Assurance tests Access and Contacts Grey Room in LHCB Hall (ask for keys 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...
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...
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 whats 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...
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...
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...
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 Vacs 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: DAmbrosio 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 Philips 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 Rufs 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...
LoKis 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...
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...
Documents Fibre Mat Production Bible : v1, April 2016 v2, Jun 2016 v3, Sep 2016 Link to Thomas Kirns website: http://accms04.physik.rwth aachen...
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...
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...
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 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...
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...
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...
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....
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...
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 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 Tracker Testbeam November 2016 Instructions for Shifters Arrive promptly! Discuss previous data taking with current shift crew. Determine the...
SciFi Software for the Tracker upgrade To boldly go where no tracking detector has gone before. (O.G.) FT versions Version Subversion Layer design...
Reviews and Documents Production Readiness Reviews (PRR) The referee reports from PRRs and some EDRs are stored centrally (LHCb) here . Mat Production Aachen...
Task: SiPM Support Task coordinator: Guido.Haefeli #64;epflNOSPAMPLEASE.ch Deputy: tbd Scope The tasks ensures the availability of expertise for the...
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...
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...
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...
Task: High Voltage Task coordinator: Guido.Haefeli #64;epflNOSPAMPLEASE.ch Deputy: tbd Scope The tasks consists in providing and testing the HV (SiPM...
Work package: Electronics WP leader: herve.chanal #64;cernNOSPAMPLEASE.ch Scope Develops, manufactures and fully characterises the PACIFIC ASIC, the motherboard and...
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...
Design specifications, development environment and maintenance constraints SiPM Model For the analog simulation a model of the SiPM has been developed in verilog...
18 June simulation files 100 events, minBias ColdAreaSiPMChannels.txt: SiPM 0 to 15 module 0 layer 0 HotAreaSiPMChannels.txt: SiPM 0 to 15 module...
Components info, datasheets, and PCB manufacturers (materials, manufacturing process, constraints) DC/DC converters DC/DC converter will be used to provide the...
Board requirements / Functions Hold the readout electronics for several SiPMs: 4 or 8 ? Feed the biasing Voltage to the SiPMs (biasing resistor and coupling...
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...
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 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...
LHCb FT SiPM Cooling workpackage Mandate As defined at the Workshop (April 2013) ( summary): PG advises, simulates. Imperial: engineering design and construction...
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...
SevdaEsen 2016 04 20 Meetings (short summaries by Yasmine) 2012 12 05 : Seventeenth meeting : Agenda Olivier summarized the studies needed for the ST viability...
EDMS Engineering Documents (Drawings and Models) ItemEDMS FolderUpdated byFileLast ModifiedFinal/In Work SciFi Tracker LHCB 0581 ROBBERT CORNELL WALET Equipped...
Meeting 29 January 2014 Participants: Georg Schwering (Aachen), Guido Haefeli EPFL), Pascal Perret (Clermont Ferrand), Nicoleta Dinu (Orsay), Antonio Pelegrino...
Milestones as project planning old SYSTEM item milestone 2014 Sept 2015 number fraction achieved integral comment RICH CLARO Front End...
SciFi Software for the Tracker upgrade To boldly go where no tracking detector has gone before. (O.G.) FT versions Version Subversion Layer design...
Meeting 17 January 2014 Participants: Georg Schwering (Aachen), Guido Haefeli EPFL), Pascal Perret (Clermnt Ferrand), Nicoleta Dinu (Orsay), Marcel Merk (Nikhef...
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: C frame Mechanics Task coordinator: Thomas Mittelstaedt mittelstaedt #64;physiNOSPAMPLEASE.uni heidelberg.de Deputy: Alessandro.Saputi #64;cernNOSPAMPLEASE...
Task: Novec Plant Task coordinator: Christian.Joram #64;cernNOSPAMPLEASE.ch Deputy: Lukas.Gruber #64;cernNOSPAMPLEASE.ch Scope CERN (EN/CV group, O....
Light Injection Support BlakeLeverington 2018 02 14
Task:Dry Gas Flushing System Task coordinator: Christian.Joram #64;cernNOSPAMPLEASE.ch Deputy: Lukas.Gruber #64;cernNOSPAMPLEASE.ch Scope The cold boxes...
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: Data Acquisition Task coordinators: Olivier Le Dortz (ledortz #64;in2p3NOSPAMPLEASE.fr) Scope ChristianJoram 2017 11 21
Task: Cables and communicaiton fibres Task coordinator: M. van de Kraats Deputy: M. Magne (tbc) Scope ChristianJoram 2017 11 21 ChristianJoram...
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 coordinators 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
Last Published Publisher TWikiGuest Date 18 Aug 2008 16:50 {PublishContrib}{Dir} /afs/cern.ch/project/twiki/production/twiki/export/ {PublishContrib}{URL} https...
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...
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...
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...
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...
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...
Production Management This page shall provide information for operational procedures for production managers Introduction LHCb executes different kinds of job types...
June 2009 Reports the main 30th June (Tuesday) Experiment activities Intervention yesterday took longer than expected. Back into production in the afternoon...
Calibration Requirements using Reconstructed Data The DQ pages have moved to https://lbtwiki.cern.ch/bin/view/Computing/DataQuality . PatrickKoppenburg 15 Jul...
Heres an example of how to check or MuIDMonitor plots with presenter: (see also instructions from https://twiki.cern.ch/twiki/pub/LHCb/CheckMuonIDWithPresenter...
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...
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 Data Quality Monitoring histograms The DQ pages have moved to https://lbtwiki.cern.ch/bin/view/Computing/DataQuality . PatrickKoppenburg 18 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 Procedures for 2008 The DQ pages have moved to https://lbtwiki.cern.ch/bin/view/Computing/DataQuality . PatrickKoppenburg 22 Aug 2008
LHCb Data Quality Shift Page The DQ pages have moved to https://lbtwiki.cern.ch/bin/view/Computing/DataQuality . PatrickKoppenburg 16 Sep 2008
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...
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 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 11 August 2008 Histogram Analyser Giacomo presented the histogram analyser used online. The transparencies are here...
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 Friday 29 August 2008 agenda page Procedure Patrick presented a second iteration of the DQ procedure, shifts and meetings...
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: Tell40 boards control and monitoring Contact: Scope LukasGruber 2018 07 06 Task: High voltage control and monitoring Contact: Tara.Nanut #64;epflNOSPAMPLEASE.ch Scope LukasGruber 2018 07 06 Task: Infrastructure services monitoring Contact: Lukas.Gruber #64;cernNOSPAMPLEASE.ch Scope The SciFi detector infrastructure services consist of the cooling... Task: BCAM alignment control and monitoring Contact: Scope LukasGruber 2018 07 06 Task: Low voltage control and monitoring Contact: Karol.Kacper.Poplawski #64;cernNOSPAMPLEASE.ch Scope LukasGruber 2018 07 06 Task: Data acquisition infrastructure controls and monitoring Contact: Lukas.Gruber #64;cernNOSPAMPLEASE.ch Scope LukasGruber 2018 07 06 Task: Front end electronics control and monitoring Contact: Scope LukasGruber 2018 07 06 BBQ 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 Stroustrups 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... Comparison between the combined method and the long method Results 2010 Combined efficiency Long efficiency \ \... Data samples for tracking efficiencies J/psi method Velo efficiency T station efficiency Long track... 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/ . Lets 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
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...
YuryShcheglov 2017 09 23
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 its 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, its 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 dont 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
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...
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...
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
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