# 200 Recent Changes in LHCb Web retrieved at 08:00 (GMT)

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...
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...
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 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 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...
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