Backlinks to AnalYsis in LHCb Web

Results from LHCb web retrieved at 08:35 (GMT)

2008 Zap Test Twiki Pages links: home, home, home, Zap Test Pictures, Test electronic logbook ZAP TEST 2009 GOALS AND MODIFICATIONS 1 Agreement to carry on with...
2012 Data Alignment NEW corrected IOVs for 2012 data tag of CondDB XXXXX VELO: same alignment for the whole 2012 Module Tx,Ty,Tz,Rz Sensors Tx...
StuartPaterson 28 Apr 2010 Log File Analysis (to be released in DIRAC v5r4) Overview The motivation for rewriting the original AnalyseLogFile module was to overcome...
Analysis preservation and reproducibility CERN Central Analysis Preservation The central analysis preservation services and https://reana.readthedocs.io/en/latest...
Archiving and freezing datasets on disk History Initial proposal (PhC): 13 Dec 2010 Updated proposal (PhC): 19 Jan 2011 Meeting discussion: 10 Jan...
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...
Measurement of the forward central bb #713; production asymmetry The conference note is available (LHCb CONF 2013 001) More detailed information: note 2013 007 Abstract...
Measurement of #963;(bb #713;) with inclusive final states The conference note is available (LHCb CONF 2013 002) More detailed information: note 2012 022 Abstract...
Identification of beauty and charm quark jets at LHCb The paper is available here. arXiv:1504.07670, LHCb PAPER 015 016 More detailed information: note 2014 074...
Beam Loss Scintillators This page contains information related to signal and machine induced background (MIB) analysis in Beam Loss Scintillators (BLS). First estimates...
Default Beetle Parameters These are the recommended parameters for VELO operation. This is version v1.0 21st July 2008. Register name Value (in hex) Value...
Bender: for interactive analysis in LHCb Ostap Bender: (Russian: #1054; #1089; #1090; #1072; #1087; #1041; #1077; #1085; #1076; #1077; #1088;; also Ostap Suleyman...
Getting started with BenderScript This `pseudo hands on` tutorial is an introduction to BenderScript a powerful Bender based enhancement of GaudiPython Dedicated...
LHCb Tutorial : Getting started with http://cern.ch/LHCb release area/DOC/bender Bender Bender Tutorial, version v28r0 Bender Tutorial, version v24r0 Bender...
LHCb Tutorial v12r1: Getting started with http://cern.ch/LHCb release area/DOC/bender Bender This hands on tutorial is an introduction to http://python.org...
LHCb Tutorial v14r5p1: Getting started with http://cern.ch/LHCb release area/DOC/bender Bender This hands on tutorial is an introduction to http://python.org...
LHCb Tutorial v24r0: Getting started with http://cern.ch/LHCb release area/DOC/bender Bender This hands on tutorial is an introduction to http://python.org...
LHCb Tutorial v28r0: Getting started with http://cern.ch/LHCb release area/DOC/bender Bender This hands on tutorial is an introduction to http://python.org...
When we have modification on the Bookkeeping system and we want to deploy to the production system we have to follow the following things: 1.) The developer should...
Bookkeeping Working Group This working group is composed of: Olivier Callot (commissioning) Philippe Charpentier (Computing project, chair) Carmine...
LHCb Bookkeeping Working Group Meeting Date and Location 23 March 2007 13:30 15:00 Attendees Andrew, Carmine, Markus, Michael (partly, phone), Niko, Olivier...
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...
Brunel timing with various libm libraries (2012/11/29) In November an issue was reported with the GLIBC libm library deployed on SLC5 in glibc 2.5 81.el5 8.7: it...
Run a Brunel Job on Grid Details presented here are directly related to user from german instituts. In theory, an analogical procedure should be applied for any other...
Planning for Brunel releases This page documents the plans for Brunel releases, which are reviewed every two weeks at the T Rec meeting. Forthcoming releases The...
Brunel v44r0 Analysis (2012/11) The goal of this analysis is to check Brunel, LHCb`s reconstruction tool, to see where CPU time is spent and look for bottlenecks...
Proposal for Alignment and Calibration procedure Summary of the procedures Data are permanently monitored at the pit by monitoring processes running in the Monitoring...
Procedure for obtaining, validating and deploying alignment constants Table of Contents Glossary CAF: Cern Analysis Farm ES: express stream DCM:...
Calo Event Model This page has been built for the purpose of the LHCb Event Model review that took place in 2005. It contains a brief description of the Calorimeter...
LHCb Calorimeter Upgrade Other webs Webs CaloUpgradeModules CaloUpgradeElectronics CaloUpgradeFEB CaloUpgradeControlBoard CaloUpgradeSoftware...
LHCb CCRC08 information Planned tasks Raw data distribution from pit to T0 centre Use of rfcp into CASTOR from pit T1D0 Raw data distribution...
Measurement of charged particle multiplicities and densities in pp collisions at #8730;s 7 TeV in the forward region The paper is available here. arXiv: 1402....
First measurement of the charge asymmetry in beauty quark pair production The preprint is available here. arXiv: 1406.4789 More detailed information: note 2014...
Chi2 study This page collects information about study of the tracks enormous chi2. Analysis tool After creation the NTuple by the Gaudi based algorithm the data can...
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...
StefanoPerazzini 31 May 2014 Stripping21 FAQ Which version of DaVinci do I have to use? In order to perform any test for S21 you should use the DaVinci HEAD present...
CombinedParticleMaker in DaVinci Introduction The CombinedParticleMaker is a Gaudi tool in the LHCb DaVinci physics analysis framework. Its purpose is to create charged...
Graphical comparison of the LHCb measurements of W and Z boson production with ATLAS and CMS The accompanying note is available (LHCb CONF 2013 005). More detailed...
Gantt chart from TDR Details Lead group Computing Participating groups Computing, Simulation, HLT Description Development of event...
LHCb Computing Model This page is a historical account of the changes developments to the LHCb computing model. Computing Model Documents The latest resource...
Open computing and software tasks These tasks are part of the LS1 list. If you interested in any of these tasks please contact Marco Cattaneo, Tim Gershon and Patrick...
LHCb 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...
Conditions Database Brainstorming Meeting (7/5/2007) Participants: Olivier Callot, Marco Cattaneo, Philippe Charpentier, Marco Clemencic, Joel Closier, Gloria Corti...
MOST OF THE ISSUES ARE RESOLVED NOW. Conditions database open issues This pages lists issues related to deployment of the Conditions database (CondDB). Online conditions...
Feedbacks gathered from contact persons and/or sysadmin Paolo Franchini CNAF 1.what are the first pages that you look at as first thing in your daily activity...
LHCb Core Software Meeting Date and Location 19. July 2006 10:00 12:00 CERN (2 R 030) Attendees Andres (phone), Chris J., Florence, Gloria, Hubert, Juan,...
LHCb Core Software Meeting Date and Location 26. July 2006 10:00 11:20 CERN (2 R 030) Attendees Gloria, Hubert, Juan, Marco Ca., Marco Cl. (minutes), Matt...
LHCb Core Software Meeting Date and Location 06. September 2006 10:00 11:30 CERN (2 R 030) Attendees Andres (phone), Florence, Gloria, Greig (phone), Hubert...
LHCb Core Software Meeting Date and Location 27. September 2006 10:00 11:45 CERN (2 R 030) Attendees Florence, Greig (phone), Hubert, Joel, Juan, Marco Ca...
LHCb Core Software Meeting Date and Location 15. November 2006 10:00 11:30 CERN (2 R 030) Attendees Andres, Florence, Gloria, Hubert, Joel, Juan, Marco Ca...
LHCb Core Software Meeting Date and Location 22. November 2006 10:00 12:10 CERN (2 R 030) Attendees Andres, Chris (phone) Florence, Gloria, Hubert, Juan,...
LHCb Core Software Meeting Date and Location 17 January 2007 10:30 11:45 CERN (2 R 030) Attendees Andres (phone), Florence, Hubert, Joel, Juan, Marco Ca....
LHCb Core Software Meeting Date and Location 7 March 2007 10:30 12:00 CERN (2 R 030) Attendees Florence, Gloria, Hubert, Marco Ca., Marco Cl. (minutes), Markus...
LHCb Core Software Meeting Date and Location 28 March 2007 10:30 12:20 CERN (2 R 030) (agenda) Attendees Florence, Gloria, Hubert, Marco Ca., Marco Cl. (minutes...
LHCb Core Software Meeting Date and Location 16 June 2007 10:30 12:16 CERN (2 R 030) Attendees Gloria, Hubert, Marco Ca., Marco Cl. (minutes), Markus, Matt...
LHCb Core Software Meeting Date and Location 18 July 2007 10:30 11:15 CERN (2 R 030) Attendees Hubert, Juan, Marco Ca., Marco Cl. (minutes), Patrick (phone...
LHCb Core Software Meeting Date and Location 8 August 2007 10:40 12:30 CERN (2 R 030) Attendees Gloria, Hubert, Juan, Marco Cl. (minutes), Markus, Patrick...
LHCb Core Software Meeting Date and Location October 24, 2007 10:30 12:30 CERN (2 R 030) Attendees Hubert, Joel, Marco Ca., Marco Cl. (minutes), Markus, Patrick...
LHCb Core Software Meeting Date and Location October 31, 2007 10:30 12:15 CERN (2 R 030) Attendees Gloria, Hubert, Juan, Marco Ca., Marco Cl. (minutes), Markus...
LHCb Core Software Meeting Date and Location November 7, 2007 10:30 11:15 CERN (2 R 030) Attendees Gloria, Hubert, Marco Ca., Marco Cl. (minutes), Markus...
LHCb Core Software Meeting Date and Location February 13, 2008 10:30 12:15 CERN (2 R 030) Attendees Gloria, Hubert, Marco Ca., Marco Cl. (minutes), Markus...
LHCb Core Software Meeting Date and Location March 5, 2008 10:30 11:45 CERN (2 R 030) Attendees Gloria, Hubert, Karol, Marco Ca., Marco Cl. (minutes), Markus...
LHCb Core Software Meeting Date and Location March 12, 2008 10:40 12:00 CERN (2 R 030) Attendees Gloria, Hubert, Joel, Juan, Marco Ca., Marco Cl. (minutes...
LHCb Core Software Meeting Date and Location June, 25 2008 10:30 12:30 CERN (2 R 030) Attendees Gerhard (EVO), Gloria, Marco Ca., Marco Cl. (minutes), Patrick...
LHCb Core Software Meeting Date and Location Sep 2008 14:00 15:30 CERN (2 R 030) Attendees Gloria, Hubert, Joel, Karol, Marco Ca., Marco Cl. (minutes), Morten...
LHCb Core Software Meeting Date and Location Dec 2008 10:30 12:30 CERN (2 R 030) Attendees Gloria, Hubert, Joel, Marco Ca., Marco Cl. (minutes), Markus, Olivier...
LHCb Core Software Meeting Date and Location Jun 2009 10:30 12:00 CERN (2 R 030) Attendees Gloria, Joel, Karol, Marco Ca., Marco Cl. (minutes), Markus, Olivier...
LHCb Core Software Meeting Date and Location 03 Nov 2010 10:40 12:20 CERN (2 R 030) Attendees Hubert, Illya, Joel, Karol, Marco Ca., Marco Cl. (minutes), Markus...
LHCb Core Software Meeting Date and Location 19 Jan 2011 10:30 11:20 CERN (2 R 030) Attendees Hubert, Illya, Joel, Karol, Marco Ca., Marco Cl. (minutes), Markus...
LHCb Core Software Meeting Date and Location 09 Feb 2011 10:30 11:30 CERN (2 R 030) Attendees Gloria, Hubert, Illya, Joel, Marco Ca., Marco Cl. (minutes),...
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 30 Mar 2011 10:30 12:00 CERN (2 R 030) Attendees Gloria, Hubert, Illya, Joel, Karol, Marco Ca., Marco Cl. (minutes...
LHCb Core Software Meeting Date and Location 27 Apr 2011 10:35 11:20 CERN (2 R 030) Attendees Hubert, Karol, Marco Ca., Marco Cl. (minutes), Markus, Thomas...
LHCb Core Software Meeting Date and Location 14 Sep 2011 10:30 12:15 CERN (2 R 030) Attendees Alex Grecu, Ben, Gloria Corti, Hubert Degaudenzi, Joel Closier...
LHCb Core Software Meeting Date and Location 21 Sep 2011 10:30 11:45 CERN (2 R 030) Attendees Alex Grecu, Gloria Corti, Hubert Degaudenzi, Illya Shapoval,...
LHCb Core Software Meeting Date and Location 23 Nov 2011 10:30 11:30 CERN (2 R 030) Attendees Alex Grecu, Ben Couturier, Gloria Corti, Hubert Degaudenzi, Illya...
LHCb Core Software Meeting Date and Location 19 Sep 2012 10:30 11:40 CERN (2 R 030) Attendees Alex Grecu, Ben Couturier, Ivan Valencik, Joel Closier, Marco...
LHCb Core Software Meeting Date and Location 10 Oct 2012 10:30 11:30 CERN (2 R 030) Attendees Alex Grecu, Ben Couturier, Gloria Corti, Illya Shapoval, Joel...
LHCb Core Software Meeting Date and Location 23 Jan 2013 10:30 11:00 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
LHCb Core Software Meeting Date and Location 06 Mar 2013 10:30 11:53 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
LHCb Core Software Meeting Date and Location 19 Jun 2013 10:30 11:15 CERN (2 R 030) Attendees Illya Shapoval, Joel Closier, Marco Cattaneo, Marco Clemencic...
LHCb Core Software Meeting Date and Location 26 Jun 2013 10:30 11:10 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Marco...
LHCb Core Software Meeting Date and Location 26 Mar 2014 10:30 11:20 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti, Illya Shapoval...
LHCb Core Software Meeting Date and Location 23 Apr 2014 10:30 11:30 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Illya Shapoval, Joel Closier...
LHCb Core Software Meeting Date and Location 10 Sep 2014 10:30 11:50 CERN (2 R 030) Attendees Anastasia Karachaliou, Ben Couturier, Gloria Corti (Vidyo), Illya...
LHCb Core Software Meeting Date and Location 2014 12 10 10:30 11:30 CERN (2 R 030) Attendees Ben Couturier, Gerhard Raven (Vidyo) Illya Shapoval, Joel Closier...
LHCb Core Software Meeting Date and Location 2015 01 07 10:30 11:15 CERN (2 R 030) Attendees Gerhard Raven (Vidyo), Gloria Corti, Joel Closier, Liang Sun,...
LHCb Core Software Meeting Date and Location 2015 03 04 10:30 HH:MM CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
LHCb Core Software Meeting Date and Location 2015 03 25 10:30 11:30 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Joel Closier, Liang Sun, Marco Cattaneo...
LHCb Core Software Meeting Date and Location 2015 05 06 10:30 11:30 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang...
LHCb Core Software Meeting Date and Location 2015 06 17 10:30 11:35 CERN (2 R 030) Attendees Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Marco...
Charged Two Body Studies Page These pages contain an overview of the B to hh analysis under study in LHCb. Main two body page, measurements Page and Physics Page...
Stripping Selections of the CP WG gamma with loops Stripping20 (24 August 2012) End of the Year Reprocessing Owner Line name Stream Approved...
Instructions for creating a new CMT package These instructions are for creating a new package in CVS. Since all CVS packages will soon be migrated to SVN, it is recommended...
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...
How to create a new stripping line IMPORTANT Please do not import anything explicitly from the StrippingSelections package, which is used for development. In production...
D0 to hhpi0 analysis Documentation Talks Mika Vesterinen, pi0 in the HLT, Hlt Ops meeting, 21st June 2013 Mika Vesterinen, Update on hhpi0, Charm WG meeting...
WP1: Data preservation The goal of this work package is the definition of a policy for the long term future preservation of LHCb data (bit preservation). Tasks...
Slice Test Data analysis Please find general instructions concerning the analysis with Vetra v5r1 here. Vetra 1 Log on to the analysis PC plus01 on the online...
Testbeam 2008 Data Analysis Meetings Date Meeting URL 25/08/08 TB meeting http://indico.cern.ch/conferenceDisplay.py?confId 38277...
Data analysis Please find general instructions concerning the analysis with Vetra v5r1 here. This chapter focuses on specific tasks for which a few scripts have been...
Data preservation tasks These tasks are part of the LS1 list. If you interested in these tasks please contact Marco Cattaneo, Silvia Amerio, Pete Clarke, Tim and Patrick...
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 5 September 2008 agenda page Brunel online Johan reports about his attempts to run Brunel on the monitoring farm...
DaVinci Physics Analysis Application Introduction DaVinci is the LHCb Analysis software, built on the Gaudi Framework. Coordinators The DaVinci release manager is...
DaVinci Migration to DC06 page The migration to DC06 is more or less complete. Many thanks to all who contributed. Timescales Code needed for DC06 stripping...
LHCb DaVinci Tutorial This hands on tutorial should be followed by all newcomers to the LHCb physics analysis software. The purpose of these exercises is to allow...
DaVinci Tutorial 0.5 We will setup the job and cmtuser area to run the Tutorial jobs in the rest of these tutorials. http://us.cdn3.123rf.com/168nwm/leaf/leaf...
DaVinci Tutorial 1 We start with a very simple algorithm that looks at muons and fills some histograms. Follow it step by step. Every single line you need to write...
DaVinci Tutorial 3 This tutorial is optional. It shows you how to change a specialised algorithm in something more generic. When you`ll be writing your own algorithms...
DaVinci Tutorial 4 Introduction The purpose of this exercise is to allow you to write a set of complete though simple selection algorithms for a typical decay: Bs...
DaVinci Tutorial 6 This is all about running DecayTreeTuple and some more. Slides This tutorial corresponds to the slides last shown here. (i.e. that is an entire...
DaVinci Tutorial 7 This is all about the advanced configuration of DecayTreeTuple . Slides This tutorial corresponds to the slides `New developments in DecayTreeTuple...
DaVinci Tutorial 8 How to run on a stripped DST. This has been last shown on 24/10/2012. See slides. Prerequisites This assumes you know how to tun DaVinci and know...
DaVinci Tutorial Tips You`ve done the tutorial, how does that help you? What have you learnt You should now be familiar with how to write C and python for DaVinci...
DC06 Activities DC06 Aims Challenge (using the LCG production services): Distribution...
How to run on stripped DC06 data Introduction This page explains all you need to know to run on DC06 stripped data. If there`s something missing, just add it! It...
How to run on re stripped DC06 data with the new format DSTs Introduction This page is the follow up from the official Stripping page by Patrick Koppenburg and...
Decay tree fitter Introduction The traditional method to fit a decay tree is `leaf by leaf`: one starts by fitting the vertices most downstream in the decay and builds...
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...
Slice Test Digitisation delay scan Data taking 1 Follow the instructions of the item `General start` of the instructions PVSS operation of the system if not...
DIRAC3 Rollout Check List This page intends to define the steps to be carried out before being able to replace DIRAC2 with DIRAC3 for routine production. In particular...
This page is obsolete. See the Starterkit for getting started with LHCbDIRAC: https://lhcb.github.io/starterkit lessons/first analysis steps/bookkeeping.html
2009 Q1 Job Statistics Summary: Over 1000 K jobs run About 25% failed Routinely running over 10 K jobs per day Daily peak...
2009 Q2 Job Statistics Summary: Over 1000 K jobs run About 15% failed Since begin of June routinely running 25 K jobs per day...
JoelClosier 07 Nov 2005 DIRAC Review List of Reviewers : Jean Philippe Baud Philippe Charpentier (Chairman) Joel Closier Ricardo Graciani Diaz...
Week from 2009 04 20 to 2009 04 26 Job Statistics (Follow the URLs, change the dates, save the new plot and add as attachement, then update the images) Total...
PaulSzczypka 03 May 2009 DIRAC Weekly Report 20090503 Week Ending 2009 05 03 Job Statistics (Follow the URLs, change the dates, save the new plot and add as attachement...
DIRAC Weekly Report 20090510 Week Ending 2009 05 10 This is the report for the week ending 10 May 2009. The URL s point to an earlier period as I just copy pasted...
DIRAC Weekly Report 20090517 Week Ending 2009 05 17 Summary: Almost 53 K jobs run last week Over 26% failed Daily peak of over 12 K...
Week from 18052009 to 24052009 Job Statistics Summary: Almost 56 K jobs run last week Over 11.67% failed Daily peak of over 14 K...
Week from 01062009 to 07062009 Job Statistics Summary: Almost 82K jobs run last week Over 13% failed Daily peak of over 21K jobs...
Template for Weekly Report Week from 08062009 to 15062009 Job Statistics Summary: 171K jobs run last week 8.3% failed 148.5K Production...
Week from 15062009 to 21062009 Job Statistics Summary: Almost 205 K jobs run last week Over 4.7% failed Daily peak of over 1.2 K...
Week from 22062009 to 28062009 Job Statistics Summary: Almost 122 K jobs run last week Over 7.7% failed Daily peak of over 1.5 K...
Week from 28062009 to 05072009 Job Statistics Summary: Almost 170 K jobs run last week Over 24% failed Daily peak of over 35 K jobs...
Week from 05072009 to 12072009 Job Statistics Summary: Almost 295K jobs run last week Over 6% failed Daily peak of over 49K jobs...
Week from 13072009 to 20072009 Job Statistics Summary: Almost 351 K jobs run last week Over 7% failed Daily peak of over 60 K jobs...
Week from 03082009 to 10082009 Job Statistics Summary: Almost 127 K jobs run last week Over 14% failed Daily peak of over 57 K jobs...
Week from 31082009 to 07092009 Job Statistics Summary: Almost 260 K jobs run last week Over 15% failed Daily peak of over 2 K jobs...
Template for Weekly Report When to fill this report: not earlier than the evening of the last day included in the report. (We need to decide which day of the week...
AdriaCasajus 13 Feb 2009 DIRAC Priority schema This page describes how the DIRAC handles priorities Scenario There are two user profiles: Users that submit...
Erasmus (Analyses Repository) Introduction Erasmus is the high level physics analysis software repository for the LHCb experiment. Erasmus is just a collection of...
EventFilter (EF) is a service that trains classifier models (or formulae) online. Currently it supports only MatrixNet ( ) classifier, but it could be extended in...
Event Index is a search engine for LHCb events located at https://eindex.cern.ch/ . It`s a searchable index of MicroDSTs from strippings 20, 20r1, 21, 21r1. Its inner...
LHCb Event Model Review Warning This page and connected pages document the Event Model review that took place in summer and autumn 2005. Its contents document the...
Observation of charmonium pairs produced exclusively in pp collisions The paper is available here. arXiv:1407.5973 More detailed information: note 2014 014 Abstract...
Exclusive J/ #968; and #968;(2S) production in pp collisions at #8730;s 7 TeV The paper is available here. J. Phys. G40 (2013) 045001 arXiv:1301.7084 More detailed...
Updated measurements of exclusive J/ #968; and #968;(2S) production cross sections in pp collisions at #8730;s 7 TeV The paper is available here. arXiv:...
Measurement of the exclusive #933; production cross section in pp collisions at #8730;s 7 TeV and 8 TeV The paper is available here. arXiv: 1505.08139, LHCB PAPER...
THIS PAGE NEEDS REVISION. Frequently Asked Questions about the Conditions Database This FAQ presents answers to questions regarding the functionnalities and usage...
Ganga Tutorial 1 We start with a very simple problem which doesn`t require knowledge about any other LHCb software factorizing prime numbers. Be careful what you...
Gaudi Python FAQ Introduction Welcome to the Gaudi Python FAQ page. If you have questions (and answers) please add them to the page. The goal of this page is to...
GaudiPython Tutorial This tutorial is focused on how to use GaudiPython. It uses the J/psi Mu Mu example to illustrate how to access the LHCb software from within...
Publications A list of presentations and proceeding to conferences is given here. Item with a are not simulation specific, but relevant for it (e.g. detector performance...
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...
LHCb GEOC Guide This guide is superseded by GridExpertOnCall in this TWiki Expert cell phone number: 16 1914 The grid expert on call can be found in the Shift...
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...
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...
LHCb Global Particle ID (PID CO Working Group) PID CO contacts Convenors: Martino Borsato, Jean Fran...
Global Particle ID Software in LHCb Introduction This page contains technical information on the global Particle ID software in LHCb. UNDER CONSTRUCTION Sub...
THIS PAGE IS OBSOLETE. The LHCb Conditions Database on the GRID Introduction The idea behind this Twiki page is to discuss the issues about how the LHCb jobs will...
Links This page provides links to tools external to LHCb/Dirac such as monitoring and other toolsMonitoring2015 Data Processing StatisticsFull Stream: http://lhcbproject...
Neutral Higgs limits at #8730;s 7 TeV using the channel #964; #964; The preprint is available here. J. High Energy Phys. 05 (2013) 132 arXiv:1304.2591 More detailed...
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...
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...
3.1 : Implementation of control and data flow in Gaudi Scheduler Lead group HLT Participating groups HLT, Computing Description Implement a...
Organisation of the HLT project Project leader Conor Fitzpatrick (1/4/2017 ) Deputy PL (Physics) Sebastian Neubert (14/6/2018 ) Deputy PL (Operations...
Datasets on hltperf action x5650 Description Path Stats NB data from the farm nodes (BWdiv stream) /localdisk/bw division/run164440/ ~5M events...
HLT Software Scrutiny 2008 Charge The HLT software scrutiny taskforce will review the HLT software. Particular emphasis will be put on understanding HLT timing...
The Run II LHCb trigger The LHCb trigger system consists of a hardware level, which reduces the event rate of 30 MHz of inelastic collisions to 1 MHz, at which the...
How to Produce Data Files Compatible with the Liverpool Velo Production DB from ACDC3 Data Preliminaries This will only work on csh since VetraEnv is broken...
How to test the online alignment procedure on a single node Due to the necessity of having DIM, the online alignment tests can only run in the online environment,...
How to run Vetra on the online cluster This page describes how to run Vetra on a computer in the LHCb Online System Environment and therefore it requires you to have...
How to set up a CERN OpenStack instance with AFS and GRID access Create a VM instace Use guide https://clouddocs.web.cern.ch/clouddocs/tutorial using a browser...
Measurement of the inelastic pp cross section at a centre of mass energy of #8730;s 7 TeV The paper is available here. arXiv: 14012.2500 , LHCB PAPER 2014 057, JHEP...
This twiki page contains obsolete historical information, derived from the two pages prepared in 2011 2012 to describe the Coverity setup used at that time in LHCb...
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...
L0App: a very simple configurable application for emulating L0 The `L0 Trigger` is a hardware and firmware based trigger, but it can be emulated to surprizing accuracy...
L0Muon Software L0Muon event model see L0Muon event model (top) L0Muon emulator The L0Muon emulator emulates the L0Muon trigger processing. It is based on 2 main...
LHCb Specific Pythia8 Tuning Here we`ll document the process of creating new LHCb specific tunes for GAUSS based on the PYTHIA8 event generator. Please, feel free...
Development Use Cases Motivation One of the conclusion of the 6th LHCb Computing Workshop is that we could benefit from modern development techniques and tools that...
LHCb Applications and Workflows This twiki provides information about the LHCb application stack, LHCb applications and workflows used on the grid LHCb application...
LHCb Background This page contains information related to machine related background studies in the LHCb experiment. Additional information can be found on the webpage...
Bookkeeping of the Calorimeter Commissioning Data This page provides useful information about the data samples stored during the commissioning phase of the calorimeters...
Calorimeter data quality survey In this page are listed all the hardware problems identified during the analysis of calorimeter data (noise, LED or cosmics)...
LHCb Calo Software THIS PAGE HAVE BEEN MIGRATED TO A NEW ONLINE TWIKI PAGE INFORMATION BELOW ARE NO LONGER MAINTAINED AND MAY BE OBSOLETE (WILL DISAPPEAR...
LHCb Coding Guidelines Table of Contents C Coding Guidelines We suggest to follow, as much as possible, Bjarne Stroustrup`s code guidelines. Note that...
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...
LHCb Computing Project Institutes While software and computing are seen as a collaboration wide effort within LHCb, this page provides information about institutes...
Publications relating to LHCb computing This page is being populated, if you find items missing please add them. This page contains lists of presentations and conference...
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....
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...
LHCb Computing Upgrade Data Processing and Analysis Model Coordinators Contu Haen WG contacts QCD, Electroweak and Exotica Murilo Santana Rangel...
LHCb DAST Instructions Introduction This page provides info for the LHCb Distributed Analysis Support Team (LHCbDAST). Ulrik Egede from the Ganga team organize...
DAST shift report from the DAST shifter Updates Date Update 04/03/2016 Most issues were related to Ganga. A few issues with warning messages, persistency...
LHCb Data Preservation Twiki Page Long Term Data Preservation project The long term data preservation project is organized in five main areas (working packages):...
Welcome to the LHCb Alignment Web Page Alignment Subtasks Former conveners: Lucia Grillo, Agnieszka Dziurda, Francesco Polci, Giulio Dujany Alignment software...
LHCb detector performance paper Status of LHCb sub system detector performance paper Sub System Contact Person Number Link Reviewer Reviewer...
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...
LHCb Getting Started page Everybody is allowed to post a question expecting someone in the experiment will answer. Keywords $ package: is a set of files organised...
IT Pedestal Running 2010 Running NZS runs Run Date # of events Checked XML noise database Remarks 78343 30/08/2010 20k...
LHCb Masterclass Software Documentation Introduction The LHCb Masterclass exercise was implemented as a stand alone application using C and ROOT, a framework developed...
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...
Neural Network Tools in Brunel Neural Network Tools (NNTools) in Brunel Neural Networks (NN) can be built on a set of input variables using various software...
LHCb Physics Event Model Task Force Page Members Vanya Belyaev Marco Cattaneo Gloria Corti (Event Model Review) Ulrik Egede Chris Jones...
Information on this twiki page will eventually be propagated back to the main page and this page will be removed. The plan is that a single version of PIDCalib can...
Proton Calibration Samples in Run I Proton issues In run 1 the proton coverage is not as good as desired by some analyses. While an extremely high statistics,...
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...
LHCb plots for 2018 data PbPb annd PbNe Plots (approved 27th November 2018) Plot Description The invariant mass distribution of $\mu^ \mu^ $ reconstructed...
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...
LHCbPR Performance and Regression Tests Introduction LHCbPR is responsible for systematically running the regression tests, collecting and comparing results of these...
Analyses in review Analysis Proponents Status Exclusive: Upsilon; Dan, Paula sign off Dec 11 EW: Z ee (2012) David sign off November...
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...
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...
ParasNaik 2017 05 22 RICH detectors` mirror alignment monitoring via Online software: Information for all shifters, piquets, and experts Some information may appear...
LHCb Software Training: Basics This hands on tutorial should be followed by all newcomers to the LHCb software environment. It covers the following topics: Prerequisites...
LHCb Software Training: Printing and Job options The purpose of this exercise is to make you familiar with using job options to configure algorithms, and with the...
LHCb Software Training: Printing and Job options The purpose of this exercise is to make you familiar with using job options to configure algorithms, and with the...
LHCb Software Training LHCb Starterkit StarterKit: First Steps in LHCb LHCb data flow, DST exploration, LoKi Functors, DaVinci and Ganga introductions....
LHCb Silicon Tracker TWiki This page is an experiment trying to collect documents and information relevant for the commissioning of the Silicon Tracker, and to provide...
LHCb Silicon Tracker TED 09 Analysis Page This page is an experiment trying to collect documents and information relevant for the 2009 TED run. https://twiki...
Stripping tips for Liasons and Stripping authors General structure The LHCbStripping is the procedure used to pass from raw data, which should never been accessed...
ST 2010 Analysis Helpline Tags You can find RecommendedTags here Data DataType is now 2010 XXXX.DDDBtag `head 20100407` CondDBtag `head...
ST Vetra Analysis This page contains all information about the STVetraAnalysis package v3r2 version, for older version please read LHCbSTVetraAnalysisOld. If you...
This is the help page for ST Vetra Analysis for version v3r1 and before. For latest version please read LHCbSTVetraAnalysis. If you want to know how to build a ST...
Project VIPER The intention of this package is to provide examples of how to work with the IT code in python and ROOT. The scripts are not well maintained and will...
Main.atsareg 21 Nov 2005 LHCb/LCG Task Force page List of the LHCb Baseline service requirements Workload Management services Item Priority Stable and redundant...
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...
Tracking strategies used in LHCb Introduction Tracks are found by different tracking strategies. A tracking strategy is mainly concerned with how tracks are found...
Systematics on lifetime measurments We propose the following text (latex format). latex abbreviations are defined using the standard lhcb latex defintion file. The...
Welcome to the web pages of the LHCb Track Model Task Force Charter The charter, as defined by the Computing Technical Board, is to review the new implementation...
LHCb 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....
Cooling Common primary chiller requirements (April 2016) (28 June 2016) of refrigeration options (M. Doubek) cooling meeting (13 October...
Releases based on LHCb v24r1 (and Gaudi v20r1, LCG 55) This page documents releases based on LHCb v24r1. Do not edit , the content of these releases is frozen. LHCb...
Releases based on LHCb v25r1 (and Gaudi v20r2, LCG 55a) This page documents releases based on LHCb v25r1. Do not edit , the content of these releases is frozen....
Releases based on LHCb v27r0 (and Gaudi v21r0, LCG 56) This page documents releases based on LHCb v27r0. Do not edit , the content of these releases is frozen. LHCb...
Releases based on LHCb v28r1 (and Gaudi v21r5, LCG 57) This page documents releases based on LHCb v28r1. Do not edit , the content of these releases is frozen. LHCb...
Releases based on LHCb v28r2 (and Gaudi v21r6, LCG 57a) This page documents releases based on LHCb v28r2. Do not edit , the content of these releases is frozen....
Releases based on LHCb v28r3 (and Gaudi v21r6, LCG 57a) This page documents releases based on LHCb v28r3. Do not edit , the content of these releases is frozen....
Releases based on LHCb v28r5 (and Gaudi v21r6, LCG 57a) This page documents releases based on LHCb v28r5. Do not edit , the content of these releases is frozen....
Releases based on LHCb v29r0 (and Gaudi v21r7, LCG 58) This page documents releases based on LHCb v29r0. Do not edit , the content of these releases is frozen. LHCb...
Releases based on LHCb v29r1 (and Gaudi v21r7p1, LCG 58a) This page documents releases based on LHCb v29r1. Do not edit , the content of these releases is frozen...
Releases based on LHCb v29r2 (and Gaudi v21r7p1, LCG 58a) This page documents releases based on LHCb v29r2. Do not edit , the content of these releases is frozen...
Releases based on LHCb v30r0 (and Gaudi v21r8, LCG 58b) This page documents releases based on LHCb v30r0. Do not edit , the content of these releases is frozen....
LHCb With Eclipse: Basics This hands on tutorial should be followed by all newcomers to the LHCb software environment. It covers the following topics: Prerequisites...
StuartPaterson 03 Jun 2010 Rerunning a production job locally starting from a LogSE link The original request for this page came from the following link which will...
LoKi: C ToolKit for Smart and Friendly Physics Analysis Introduction LoKi is a package for the simple and user friendly data analysis. LoKi is based on architechture...
LoKi User Guide For completeness see also LoKi Reference Manual Abstract LoKi is a package for the simple and user friendly data analysis. LoKi is based on architecture...
LHCb LoKi Tutorial: Getting started with LoKi This hands on tutorial is an introduction to LoKi C toolkit for easy and friendly physics analysis. The purpose...
Search for long lived particles decaying to jet pairs The paper is available here. arXiv: 1412.3021 , LHCB PAPER 2014 062 More detailed information LHCb ANA...
Inclusive low mass Drell Yan production in the forward region at #8730;s 7 TeV The conference note is available (LHCb CONF 2012 013). More detailed information...
Introduction The VELO ECS project controls the whole Velo detector: it includes the DAQ domain, the DCS domain, the HV domain and DAI domain. It runs on vedaqa01...
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...
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...
General comment Do we want to request the generation in DC06 of event samples WITH CP violation at least for Bd ? Who is intrested in starting/continuing the work...
Big Gamma Combination Workbook MatthewKenzie 28 Jul 2014 Please don`t edit this page without permission Introduction Really useful paper with equations is `Effective...
Bs2KstKst Workbook MatthewKenzie 28 Jul 2014 Group analysis page: Code available on https://github.com/matthewkenzie/Bs2KstKst github PID resampling info: Useful...
MC Monitoring Tools HistDB The HistDB is an SQL based database storing the display settings and configurations for all histograms and pages. It can be used also for...
MC Monitoring Tools OnlineHistDB The Online HistDB can be used to store the display settings and configurations for all histograms and pages (see later). The database...
Bookkeeping brainstorming 9th June 2008 Participants : Philippe Charpentier, Zoltan Mathe, Elisa Lanciotti, Stuart Paterson, Andrew Smith, Markus Frank, Olivier...
MicroDST The purpose of the MicroDST is to select and store a sub set of data of interest from a file in the LHCb DST format, in a smaller file of the same format...
Dsh analysis meeting minutes 03 02 11 Present : Vava, Sajan, Barbara, Nico, Laurence On Evo : Piotr, Paul, Mariusz, Niels Presentations The presentations focused...
Dsh analysis meeting minutes 13 01 11 Present : Laurence, Sajan, Niels, Nicola, Barbara On EVO : Piotr, Mariusz Presentations Piotr : Presented status of the fitter...
Dsh analysis meeting minutes 20 01 11 Present : Vava, Sajan, Barbara, Nico On Evo : Mariusz, Piotr, Niels, Tim Presentations Piotr : Presented status of the fitter...
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...
Performance of the High Level Trigger (Moore) on various CPU architectures In order to see the influence of cache sizes, multi cores, hyper threading and other new...
A List of MoU activities by Tier is reported from GGUS T0 Raw Data Recording Event Reconstruction or data distribution to Tiers 1 centers Data reprocessing...
Multiplatform support for Grid applications Hereafter I call `platform` the concatenation of the OS and the architecture (i.e. slc3 ia32, slc4 ia32 or slc4 amd64)...
There is a new framework for Multi Variate Selections in DaVinci! Please have a look at DaVinciTutorial9 to learn how it works. Any new selections, please use the...
LHCb Muon System Calibration: Meetings: March 21th, 2006: Calibration and Offline Muon ID G. Lanfranchi CalibMuon.ppt Main.galanf 17 Mar...
Welcome to the LHCb Muon DAQ analysis page This page contains an introduction for reading and analyzing Muon real data acquired during the commissioning phase...
Welcome to the LHCb Muon DAQ Monitoring page This page contains directions on how to access Muon Online Monitoring Histograms LHCb Online Page Useful links...
Discussion on the Muon Event Model To help in following the discussion, the speaker name is recalled before each paragraph, with the following convention: MC Marco...
Charged Charmless Bu hhh decays This is a first attempt to create and keep an webpage with all information about the Bu2hhh analysis. Here can be found presentations...
Noether: an LHCb project wrapper for applications of the most base algorithms/classes Emmy Noether: (German: #712;n...
The VeloDataMonitor package a simple analysis example. As of Vetra v5r1 the noise and pedestal monitoring of VeloFullDataMonitor becomes obsolete and the package...
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...
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...
Open Access and Outreach Tasks WP5.T1: Masterclass exercise with Camelia event display WP5.T2:Integration between Yandex event indexer search engine for...
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...
Study of J/ #968; production and cold nuclear matter effects in pPb collisions The paper is available here. arXiv: 1308.6729 more detailed information: note 2013...
Panoramix : F.A.Q. and First Manual Welcome to the first Panoramix Wiki page. This page is to be used as a F.A.Q. where everybody can add any question or answer he...
First analysis of the pPb pilot run data with LHCb The paper is available here. LHCb CONF 2012 034 More detailed information: note 2012 116 Abstract A first analysis...
Particle MC truth matching This page is intended for documentation related to association between LHCb::Particles and LHCb::MCParticles in DaVinci. It describes new...
Particle primary vertex association The motivation for LHCb::Particle to primary vertex (PV) association is outlined in this by Patrick Koppenburg. This wiki aims...
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...
!!! PAGE NO LONGER MAINTAINED. KEPT FOR HISTORICAL REASONS !!! Physics Analysis Software Packages Introduction The table below lists all packages used in physics...
PIDCalib Package About The Package This package enables the user to properly calibrate the DLL distributions of their signal mode, and thus calculate the efficiency...
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...
PID studies Page These pages contain an overview of the PID studies that have been performed for the B to hh analysis. measurements Page and Physics Page PID analysis...
PileupRescaling A description of the scaling/weighting/resapling tools availiable to simulate different pileup conditions This is a tWiki page describing...
Search for Higgs like bosons decaying into long lived exotic particles The conference note for the preliminary results is available: LHCb CONF 2012 014. More detailed...
Central Exclusive Dimuon Production at #8730;s 7 TeV Note: the results are superseded by paper 2012 004, except the result on #967;c The paper is available (LHCb...
List of old problems Major problems transferring to GridKA. Johan will chase it (gone away?) Problems registering a file in LFC using VOMS groups...
A list of talks at Tracking, Alignment and Vertexing conferences can be found in this table Year Conference Speaker Title Talk/Poster...
Streaming of data in LHCb COMP 24 Jan 2007 Ulrik Egede (Imperial College London) Marco Cattaneo (CERN) Patrick Koppenburg (Imperial College...
StuartPaterson 08 Apr 2009 Production API Introduction to the Production API The Production API provides methods for production creation and also the possibility...
AndreiTsaregorodtsev 16 Oct 2008 StuartPaterson 03 March 2009 Production Job Finalization procedure The current production job finalization mechanism is split...
Production Management This page shall provide information for operational procedures for production managers Introduction LHCb executes different kinds of job types...
April 2010 Reports the main 30th April 2010 (Friday) activities: 2 MC Simulation running smoothly (3K jobs) and 2 Data Reconstruction activities (MagUp and...
April 2012 Reports the main 30 April 2012 (Monday) DataReprocessing of 2012 data at T1s with new alignment MC simulation at Tiers2 cpu intensive...
April 2013 Reports the main 29th April 2013 (Monday) Restriping campaing has started on Saturday T0: T1: RAL (UK sites) Some MC jobs failing to upload...
30 Apr (Thursday) Operations dominated by MC jobs and user analysis T0: VOMS server retirement on Tuesday, all ok T1 Problem to contact...
April 2009 Reports the main 30th April (Thursday) Experiment activities Testing the MC09 Important news Top 3 site related comments of the day :...
August 2009 Reports the main 28th August (Friday) Experiment Activities Still no production running in the system (93 jobs running in the system SAM included...
August 2010 Reports the main 31th August 2010 (Tuesday) activities: Reconstruction, Monte Carlo jobs and high users activity. GGUS (or RT) tickets: T...
August 2012 Reports the main 31 Aug 2012 (Friday) Running user analysis, prompt reconstruction and stripping at T0 and T1s Simulation at T2s GGUS...
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...
December 2009 Reports the main 18th December 2009 (Friday) activities: Few remaining jobs of one MC production. In total Just one MC production running...
17 Dec (Thursday) Data Processing High level of Monte Carlo running, with intention of continuing to run this during YETS (including on HLT farm); user...
19th December (Monday) Activity Data reconstruction (proton ion), MC and user analysis. Site Issues T0: NTR T1:...
February 2010 Reports the main 25th February 2010 (Thursday) activities: Drained the merging jobs at CERN (stalled issue), more MC jobs have been submitted...
February 2012 Reports the main 29th February 2012 (Wednesday) activities: User analysis, Validation productions for restripping GGUS (or RT) tickets...
January 2010 Reports the main 29th January 2010 (Friday) activities: Stripping on MC09 b and c inclusive events normal users activity: less than 1000 jobs...
28 Jan (Thursday) Data Processing Mostly MC and User jobs Site Issues T0: Issue with one of the CEs losing jobs. Now fixed. (GGUS...
July 2009 Reports the main 31st July (Friday) Experiment activities LHCb is rest.Productions are `on hold` pending the installation of the requested disk space...
July 2010 Reports the main 30th July 2010 (Friday) activities: Received some data. Reconstruction, MonteCarlo and user analysis jobs. (or RT) tickets:...
July 2012 Reports the main 31th July 2012 (Tuesday) Validation productions for new versions of LHCb application software to be launched tomorrow strong New...
June 2009 Reports the main 30th June (Tuesday) Experiment activities Intervention yesterday took longer than expected. Back into production in the afternoon...
June 2010 Reports the main 30th June 2010 (Wednesday) activities: Data taking since last night. Reconstruction of new data taken in the weekend seems to...
June 2011 Reports the main 30th June 2011 (Thursday) activities: Quite day. Nothing to report. LHCb week ongoing. GGUS (or RT) tickets: T0: 0 T1: 0...
June 2012 Reports the main 29th June 2012 (Friday) Users analysis at T1s ongoing MC production at all sites Some catch up of processing tail at SARA...
29th June (Monday) Validating Data Processing workflows. User and MC jobs on the grid. T0 T1 LHCb VO box at GridKa upgrade to sl6 request...
March 2012 Reports the main 30th March 2012 (Friday) Data reStripping and user analysis at Tiers1 going well Stripping jobs (both 17b 18) are ~complete...
May 2009 Reports the main 29th May (Friday) Experiment activities LHCb week this week. LHCb merging job failures at dCache sites now understood. Testing...
May 2010 Reports the main 31st May 2010 (Monday) activities: MC production ongoing (or RT) tickets: T0: 1 T1: 1 T2: 4 Issues at the sites...
May 2012 Reports the main 31st May 2012 (Thursday) Users analysis and prompt reconstruction and stripping at T1s ongoing MC production at Tiers2 GGUS...
28th May (Thursday) Operations dominated by MC jobs and user analysis; Preparation for data receiving T0 Data transfer problem to CERN EOS (GGUS...
November 2009 Reports the main 30th November 2009 (Monday) activities: System empty CREAMCEs: many of them are still not publishing the GlueCESTateStatus...
November 2012 Reports the main 30th November 2012 (Friday) Reprocessing: running last jobs at RAL and Gridka `groups`, restarting with new calibration/files...
30 Nov (Monday) Data Processing: Data processing of pp data at T0/T1/T2 mostly complete. pp reference data processing starting this week. Monte...
October 2009 Reports the main 30th October 2009 (Friday) Experiment activities: Production activities low. GGUS tickets 1new tickets since yesterday...
October 2010 Reports the main 29th October 2010 (Friday) activities: Data taking. Reconstruction proceeding. Few MC productions. GGUS (or RT) tickets: T0:...
31st October 2012 (Wednesday) Reprocessing at T1s and `attached` T2 sites User analysis at T0/1 s Prompt reconstruction at CERN 4 attached T2s MC productions...
October 2012 Reports the main 31st October 2012 (Wednesday) Reprocessing at T1s and `attached` T2 sites User analysis at T0/1 s Prompt reconstruction at CERN...
29th October (Thursday) Data Processing: Data processing of pp data at T0/1/2 sites. Some T2 attached to T1 in order to speed up the processing....
September 2009 Reports the main 30th September (Wednesday) Experiment activities: FEST reconstruction did not start yet as expected yesterday because of a...
September 2010 Reports the main 30th September 2010 (Thursday) activities: . Analysis, no particular issues GGUS (or RT) tickets: T0: 0 T1: 1 T...
September 2012 Reports the main 28th September 2012 (Friday) Running user analysis, prompt reconstruction and stripping at T0 and T1s Simulation at T2s...
28th September (Monday) Data Processing: Data processing of pp and pHe data at T0/1 sites, monte carlo mostly at T2, user analysis at T0/1/2D sites...
Checking which software is already installed This script looks up the DIRAC Configuration Service. $ dirac lhcb list software Active LHCb Software For All...
LHCb Production Operations Procedures This is the LHCb Production Operations Procedures page which contains procedures for Grid Experts and Grid Shifters to follow...
Shifter Checklist There are some common tasks that shifters should be regularly checking. eLogger Read the operations elogger from the previous day to find out...
LHCb Core Software Programme of Work This page documents the current work plan of the LHCb Core Software team. It is based on discussions that took place at the of...
BEWARE This page is obsolete and has been superseded by the new Release Guide. Software Release Guide Special Instructions and troubleshooting Installation on AFS...
BEWARE This page is obsolete and has been superseded by the ProjectRelease Guide. Software Release Guide Scope The following documentation applies to the release...
Proper time studies for B to hh decays Page These pages contain an overview of the Proper time studies that have been performed for the B to hh analysis. measurements...
Last Published Publisher TWikiGuest Date 18 Aug 2008 16:50 {PublishContrib}{Dir} /afs/cern.ch/project/twiki/production/twiki/export/ {PublishContrib}{URL} https...
LHCb Public Data All LHCb published results are available to general public on Inspire. Plots and data published in the papers can be made available in the Plots...
LHCb Core Software Python modules: Packaged projects LbCVMFSTools Tools set allowing the composition of tasks handlers with transaction handlers (e.g Nightlies...
Radiative Decay MC Tuples 2012 2011 Stripping 21 data analysis (june 2017) Here are collected the DecayTree tuples for the analysis of MC corresponding...
Radiative Corrections studies Page These pages contain an overview of the Radiative corrections studies that have been performed for the B to hh analysis. measurements...
RawEventJuggler, moving/modifying the contents of the raw event. This page describes what to do to move around the raw event, what frameworks we have in place to manage...
Recommended DataBase tags Introduction This is based on Thomas Ruf`s at T rec on 13/7/09. Which database tags should I use? As a general rule, for real data it should...
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...
Internal papers HLT code for run time efficiency CPU Counters documentation analysis For Intel: Core i7 and Xeon Perf Ananlysis guide (D.Levinthal) PMU Programming...
Primary vertex re fitting Introduction This wiki is about the process of obtaining and safely using primary vertices that have been re fitted excluding tracks from...
track refitting Refit Tracks in Stripping Location (TrackRefitting) A short example is given below of how to use the DaVinciTrackRefitting package to refit tracks...
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...
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...
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...
RICH beam tests This topic is the container for all RICH beam test activities. Separate topics exist specific to certain configurations: Links Test beam...
LHCb RICH Testbeam Analysis This page summarises the efforts of the RICH TestBeam Analysis of the 2006 tests. The data has been recorded using an early version...
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...
AntonisPapanestis 2015 01 08 Data Analysis Questions/Tasks Cherenkov angle Can we treat all tracks as the same track for Cherenkov angle reconstruction?...
Review RICH electronics review Indico page Contains links to review documents and reviewers report. RICH PDMDB EDR Indico page Contains links to review documents...
Combined PID in DC04 Basic Information on DC04 Combined PID The technique used for combining the information from the different subdetectors was presented during...
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...
LHCb FT SiPM Cooling workpackage Mandate As defined at the Workshop (April 2013) ( summary): PG advises, simulates. Imperial: engineering design and construction...
Task:Dry Gas Flushing System Task coordinator: Christian.Joram #64;cernNOSPAMPLEASE.ch Deputy: Lukas.Gruber #64;cernNOSPAMPLEASE.ch Scope The cold boxes...
SciFi Module Assembly and Quality Assurance tests Access and Contacts Grey Room in LHCB Hall (ask for key`s LHCb secretariat) It has airconditioning/heating...
SciFi Software review Planning Assign reviewers Blake, Albert, Gloria and Marco Make documentation available. Deadline: end of Nov 2017. Open meeting...
SciFi Tracker Test Beam Analysis Code Software Installation Ask Roman for access to the git repository and download the two packages scifiusbboard and scifibeamtest...
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...
SciFi Tracker Test Beam 2014 Contact: Mark Tobin (GSM: 161858) ...
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...
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 July 2018 Logbook Runlogbook.ods: Logbook of the settings for each recorded run Instructions for Shifters yes Test beam is...
E ditW YSIWYGA ttachPDFP rintable r7 08 Sep 2008 19:28:23 PhilippeCharpentier You are here: TWiki LHCb Web LHCbComputing SEmigration Contents Migration...
VELO Shifter Information Every shifter should read this in order to be updated about the latest news and possible modifications of standard procedures. The VELO...
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...
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...
Meetings, Presentations and Workshops A list of meetings and workshops is given here. Meetings with a are not LHCb simulation specific, but relevant for it (e.g...
Simulation Validation This pages is intended to held the information needed for validation of the simulation, from MC samples to generator and reconstructed distributions...
AndreiTsaregorodtsev 15 Mar 2009 Site Failure Recovery This page is describing procedures to be applied in case of the site failures. In the following is a brief...
This procedure describes how to perfom the `slice test`, i.e. how to test the set of Control Board channel, TELL1 and cables associated to one VELO slot with a hybrid...
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...
Software Optimization Profiling Documentation for profiling can be found herer: https://twiki.cern.ch/twiki/bin/view/LHCb/CodeAnalysisTools Benchmarking Information...
Physics Software Release Schedules This page documents release schedules agreed at the Applications Coordination meetings. Details of the contents of future releases...
Material from the software training day The agenda page for the software training can be found here Downloads A root file with ACDC1 data (8 Tell1s, generated...
Search for pair production of long lived heavy charged stau particles with LHCb The conference note is available (LHCb CONF 2014 001) More detailed information: note...
Search for long lived heavy charged particles using a ring imaging Cherenkov technique at LHCb The paper is available here. arXiv:1506.09173, LHCB PAPER 2015 002 More...
LHCb STEP`09: Scale Testing for the Experiment Program in 2009 Introduction STEP`09 is a co ordinated effort of all 4 experiments for running as much activity as...
Correlation between selections Introduction The correlations between the selections run in the DC04v2 stripping (using DaVinci v12r16) all available. Because of the...
Use case describing how to recover from a bug in the stripping Outline of use case A given analysis use as its incoming dataset data from two different processings...
Use case for calibration of the detector Outline of use case The RICH needs to be calibrated before RAW data can be processed for physics. The RICH will also be used...
Use case for the development of a new selection Outline of use case For a new selection access to unstripped data is a requirement. The sample has to be large enough...
Use case for flavour tagging calibration. Outline of use case The calibration of flavour tagging requires the analysis of a large number of channels of data. Some...
Use case for a physics analysis with a high branching ratio Outline of use case This is high branching ratio channel which means that including sidebands the final...
Use case to perform a detector calibration analysis with data from the 2007 pilot run. Outline of use case The 2007 pilot run will be used to calibrate the detector...
Use case for sparse analysis Outline of use case The main point for the %$B s \rightarrow \mu^ \mu^ $% is to measure the branching ratio. Due to the clean signature...
Storage Classes The definition of `tape `disk` is as follows: disk: `fast` access; cache copy tape: `slow` access; archival LHCb have identified 5 classes...
Printed version Authors Ulrik Egede (Imperial College London) Marco Cattaneo (CERN) Patrick Koppenburg (Imperial College London) Gerhard Raven...
Streaming Task Force remit The task force should examine the needs and requirements of streaming at the trigger/DAQ level as well as in the stripping process. The...
Stripping coordinator`s cheatsheet What is an rDST When data is collected from the LHCb detector, the raw data will be transferred to the LHCb associated Tier 1 sites...
LHCb 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...
Stripping framework Contents Introduction The current stripping framework is based on the code of Hlt2Lines and follows its concept. Stripping framework consists...
This page lists the stripping lines which the physics working groups would like to rerun on the 2010 data during spring 2011. The current plan is to only run a restripping...
This page lists the stripping lines which the physics working groups would like to rerun on the 2011 data during spring 2012. Please add your lines AND the...
Stripping18, list of lines that can not go to MicroDST This page lists the stripping lines that can not go to MicroDST in Stripping18 (Stripping of 2012 data), all...
Stripping Statistics For September 2010 Stripping Comments The statistics on this page are generated using 100k events from run 77222 and the stripping selections...
Stripping Results for Reco06 Stripping10 on September 2010 test sample Comments The statistics on this page are generated using 100k events from run 79646 (mu...
LHCb data reduction (stripping) The LHCb computing model foresees that not all events recorded by the data acquisition are made available for physics analysis. After...
How can I build a useful database ? Setting up the files Getting ready : First, you need to getpack Tell1/Vetra package, which will contain the xml and sqlite...
Platforms and compilers supported by LHCb production software Source code and binaries for supported platforms are available in CVMFS (directory /cvmfs/lhcb.cern.ch...
Using Subversion (svn) in LHCb The LHCb code used to kept in a http://svn.web.cern.ch/svn/ repository. It has now been migrated to Git The information in this...
Outcome of the Software Week 16 20 June 2008 Data Quality parameters Back to the initial proposal of a finite set of quality parameters combinations, connected to...
Systematics studies Page These pages contain an overview of the Systematics studies that have been performed for the B to hh analysis. measurements Page and Physics...
List of projects of the Tracking Alignment group in 2017 This page aims to collect all the possible project for new people that would like to contribute to the T...
Task Force on Core Software (TFCS) The Task Force on Core Software (TFCS) was formed in April 2016 to tackle the issues related to the framework, event model, non...
Softwares Pedestal runs The software resides in SVN, and can be obtained using: svn co svn ssh://svn.cern.ch/reps/uttestbeamsoft Data should be stored on eos...
BiasVoltageScan FedericaLionetto 23 Oct 2014
TbUT analysis software This page provides information about the TbUT package. The software is a part of the project. The main aim of this software is to perform whole...
TCK Presenter Most of the stuff here is probably outdated. The webpage of the TCK Presenter is http://lbtckpresenter.cern.ch/ Introduction The TCK Presenter is a...
In order to get a temporary copy for fast offline data analysis : log on lbgw log on plus copy from /daqarea/lhcb/data/2008/RAW/LHCb/PHYSICS COSMICS...
UT Test Beam Datataking Information for Shifters Information on DAQ PC (pcsyr01) The pcsyr01 is running SLC 6.5 Linux OS and has a large (~ 4 TB) local disk to...
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...
TestBeamOct2018 This section will summarize the main documents, informations and results of the October 2018 testbeam. A fiber based telescope was installed in...
Timing Studies, i.e, how many Kalmans can be squeezed into one HLT sequence... This page explains how to study the impact of increasing the number of Kalman filter...
First observation of top quark production in the forward region The paper is available here. arXiv:1506.00903, LHCB PAPER 2015 022 More detailed information: note...
TrackAnalysisRequirements Must be able to determine the ImpactParameter and the ImpactParameterSignificance of a TrackTrajectory with respect to a given SpacePoint...
TrackCalib Package TrackCalib was created as tool for creating tracking efficiency correction tables allowing for user defined track quality cuts, binning and variable...
TrackBuildCloneTable/TrackCloneCleaner This pair of algorithms can be used to improve on the performance of the TrackEventCloneKiller, or it can be used independently...
Tracking and Alignment Activities List This page is listing the activities taken on by the tracking and alignment group. It is a placeholder to help the tracking convener...
Under reconstruction Talks about tracking efficiency Tag and probe technique tracking efficiency talks PPM, 17 May 2010 tracking efficiency talks T...
Open tracking and alignment tasks These tasks are part of the LS1 list. If you interested in any of these tasks please contact Silvia Borghi, Michel De Cian and Patrick...
This is page where you can put your inputs/comments/... For new topics, please start a new item, and for comments to existing items, please add subitems. Fits for...
Trigger Code How to run the HLT? Environment: The LHCb software is organized in projects and each project is divided into packages. In order to be...
Trigger studies Page These pages contain an overview of the Trigger studies that have been performed for the B to hh analysis. measurements Page and Page Overview...
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,...
Comments the TurboSP paper Version 1.1 Sent on 6th September 2018. Agnieszka Dziurda Comments without replies have been addressed. General/Major The previous...
LHCb software tutorial sessions The following is a catalogue of tutorial sessions that have been given on LHCb software. The material is provided as is, with no guarantee...
TWeeder info for LHCb Total Number of topics: 2912 29 Topics updated during the last 7 days Days Web Topic Date S7 LHCb RichTestBeamMiniDaq...
This procedure describes how to perform the uniformity test for the verification of the TELL1 readout boards. The idea is to check that the response of each TELL...
A new page https://lhcb shifters.web.cern.ch/ has been created with additional information for shifters, please also follow instructions there. This twiki page is...
Centrally Produced Simulation samples for Upgrade studies A set of reference samples are centrally produced for studies of the upgrade detectors. They comprise smallish...
Principal Reviewer Callot Code Location Package Project Functionality Responsible Sim/GaussCherenkov Sajan Easo Comments This...
AIM What we need: 1. a new transient representation of a V0 as a two track object for use in HLT and Brunel. The LHCb::RecVertex is not sufficient because it does...
Measurement of V0 production ratios in pp collisions at #8730;s 0.9 and 7 TeV The preprint is available here. More detailed informations: note 2011 026 Eur. Phys...
ACDC Analysis The is the main coordination page for analysis of ACDC Data. Please feel free to edit/update this page: Adding your name next to the analysis...
VELO commissioning software / software commissioning This is the coordination page for software activities related to the VELO commissioning. I`ve tried list all the...
The Velo/VeloFullDataMonitor package This package has been provided for the analysis of non zero suppressed data (NZS) within VETRA. On this page we introduce its...
GETTING STARTED WITH VETRA v3r1 FOR ACDC DATA ANALYSIS run the installation script source ~lhcbvelo/scripts/startACDC.csh runVetra.csh (z) where acdc is...
VELO Online Monitoring Wish List This page is meant to be a scratch area for collecting ideas what to monitor and how. So everybody should feel free to add some ideas...
Velo Software Main Velo software web page can be found here Pattern recognition in VELO can be found in LHCbPatternRecognition Tracking, including...
Cluster Generation for Firmware Checkout Preparation of the TELL1 code and configuration files The following instruction explain how to `inject` test patterns into...
Welcome to the LHCb VELO Testbeam 2006 Web pages Organisation Useful Phone Numbers ELOG The `HAPPY PION` Bible Analysis ACDC Analysis...
VELO Testbeam 2008 Coordinated by Marina Artuso Commissioning ELog of the TestBeam. Preparation Organization and Meetings An MOU exists to pursue a...
How to work with the FLIR Thermal Camera software With the FLIR Thermal Camera (TC) images can be taken which will be stored on the camera itself. After removing...
OBSOLETE 2008 Zap Test Twiki Pages ..... GO TO NEW PAGES links: CERN home, home, home, SetupZapTestPictures Zap Test Pictures, Test electronic logbook ZAP TEST...
Vertex Fitters OfflineVertexFitter Developer: Yuehong Xie As the name suggests, this is a vertex fitter used for secondary vertex fitting in the offline data analysis...
New VETRA v6r0 Default configuration The latest edition of the Vetra project consists of NZS data analysis for both Velo and ST. This Twiki is devoted to the Velo...
Welcome to the home of b TWiki.LHCb /b . This is a web based collaboration area for ... LHCbComputing LHCb FAQs LHCbPhysics LHCbPhysicsPerformance LHCbVELO...
Apr 2006 12971 113 2 2096 WebRss 315 RareDecays 299 LHCbComputing 274 Production 263 LHCbTaskForce 261 DiracProject 224 ComputingModel...
Internal Notes analysis and identification of candidate events in the decay chain W mu nu on the W mu nu analysis SimoneBifani 10 Jan 2011
Measurement of the forward W boson cross section in pp collisions at #8730;s 7 TeV Documentation is available (LHCb PAPER 2014 033). More detailed information:...
Study of W boson production in association with beauty and charm The paper is available here. arXiv: 1505.04051, LHCB PAPER 2015 021 More detailed information: note...
Inclusive W and Z production in the forward region at #8730;s 7 TeV The preprint is available here. J. High Energy Phys. 06 (2012) 058 arXiv:1204.1620 More detailed...
Measurement of the cross section for Z0 #8594; e e #8722; production in pp collisions at #8730;s 7 TeV The paper is available here. J. High Energy Phys. 02 (...
Measurement of jet production in Z0/ #947; #8727; #8594; #956; #956; #8722; events at LHCb in #8730;s 7 TeV pp collisions Note:this result is superseded by the paper...
Study of forward Z jet production in pp collisions at #8730;s 7 TeV The paper is available here. JHEP 1401 (2014) 033 arXiv: 1310.8197 More detailed information...
Supporting material for: Study of forward Z jet production in pp collisions at #8730;s 7 TeV Figures (pdf and eps versions are available under attachments)....
Z cross section measurement at #8730;s 7 TeV using the channel Z #8594; #964; #964; The preprint is available here. J. High Energy Phys. 01 (2013) 111 arXiv:...
Measurement of the Z b jet cross section in pp collisions at #8730;s 7 TeV in the forward region The preprint is available here. More detailed information: note...
Measurement of the cross section for Z #8594; e e #8722; production in pp collisions at #8730;s 8 TeV The paper is available here. arXiv:1503.00963, LHCB PAPER...
Measurement of the cross section for Z #8594; #956; #956; production with 1 fb #8722;1 of pp collisions at s #8730; 7 TeV Documentation is available (LHCb CONF...
Measurement of the forward Z boson production cross section in pp collisions at s #8730;7 TeV The paper is available here. arXiv:1505.07024, LHCB PAPER 2015...
Observation of associated production of a Z boson with a D meson in the forward region The paper is available here. LHCB PAPER 2013 062 arXiv: 1401.3245 JHEP 4...
Number of topics: 484

 
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