NSWL1TriggerInAthena

This page describes the implementation in Athena of the L1 trigger for the New Small Wheel, for the sTGC and micromegas (MM) detectors. The implementation can be found in the following packages : TrigT1NSW and TrigT1NSWSimTools. Some documentation can be found in the attached document (CodeIntegration.pdf).

NSW L1 Hardware


For the sTGCs :

Vmm Pad → Pad TDS → Pad Trigger Logic → Strip TDS → sTGC Trigger Processor

Vmm Strip → Strip TDS → sTGC Trigger Processor


For the MM :

Vmm Strip → Strip TDS → MM Trigger Processor

TrigT1NSW package

  • contains the algorithm and the monitoring configuration

  • runs the PAD TDS simulation

  • delivers the ntuple for validation

TrigT1NSWSimTools package

  • contains the interface and concrete implementation for the EDM and AlgTools

  • proposal for online readout numbering of sTGS PAD and sTGC strip

  • PadTdsOffline simulation, implementing the BC tag, the time delay due to the ToF subtraction and the electronic jitter, the VMM dead time simulation

The online-offline mapping is defined in :

PadData.h, PadOfflineData.cxx/h (for sTGC) ; MMStripData.h, MMStripOfflineData.cxx/h (for MM)


The processing is defined in :

PadTdsOfflineTool.h (for sTGC)

Commands to run the code


To setup the environment :

export AtlasSetup=/afs/cern.ch/atlas/software/dist/AtlasSetup

alias asetup='source $AtlasSetup/scripts/asetup.sh'

asetup AtlasProduction,19.0.0,here


To install the code :

cmt co svn+ssh://svn.cern.ch/reps/atlasoff/Trigger/TrigT1/TrigT1NSW/trunk Trigger/TrigT1/TrigT1NSW

cmt co -r svn+ssh://svn.cern.ch/reps/atlasoff/Trigger/TrigT1/TrigT1NSWSimTools/trunk Trigger/TrigT1/TrigT1NSWSimTools

cmt co -r MM_Digitization-00-03-03 MuonSpectrometer/MuonDigitization/MM_Digitization

setupWorkArea.py

cd WorkArea/cmt;

cmt br cmt config

cmt br cmt make


To run the code :

athena /afs/cern.ch/work/d/dimattia/public/LVL1NSW/JobOptions/NSWL1.py


Location of the jobOptions files :

/afs/cern.ch/work/d/dimattia/public/LVL1NSW/JobOptions


Location of the hits.pool files :

The location of the hits.pool file is defined in the .py job option file (NSWL1.py). The files can be found at :

root://eosatlas//eos/atlas/user/o/osidirop/DiMuonCasesProduction/MagneticFieldOn/spreadVertex/AllPhysicsIncluded (pt of the muons are flatly distributed in the range 4-100GeV)

xrd eosatlas dirlist eos/atlas/user/j/jomeyer/NSWProduction

Instructions to run pile-up digitization for NSW

(for questions contact: ourania.sidiropoulou@cernNOSPAMPLEASE.ch)

Setup of the Working Area

  1. In a new directory (WORKDIR) setup the last "stable" version of devval (the WORKDIR will be your TestArea):
    source /afs/cern.ch/atlas/software/dist/AtlasSetup/scripts/asetup.sh saved, rel_1, here or
    asetup saved, rel_1, here

  2. In the WORKDIR checkout the following packages:
    pkgco.py -A MM_Digitization-00-03-09
    pkgco.py -A sTGC_Digitization-00-03-06

  3. To compile those packages do:
    cd $TestArea/MuonSpectrometer/MuonDigitization/MM_Digitization/cmt/
    gmake
    cd $TestArea/MuonSpectrometer/MuonDigitization/sTGC_Digitization/cmt/
    gmake

  4. Return to your TestArea:
    cd $TestArea/

Pile-up Digitization

Pile-up digitization takes mulitple input datasets:

These datasets are all hits files (HITS.pool.root) and they are produced by EvgenFiles (EVNT.pool.root). More information about pile-up digitization you can find here: https://twiki.cern.ch/twiki/bin/viewauth/AtlasComputing/PileupDigitization


The process that will be followed to produce pile-up samples included the NSW is to:

  • Simulate low and high Pt min bias samples
  • If the min bias samples will be several files then you have to merge them seperately before running pile-up digitization
    • Merge the low Pt minbias samples
    • Merge the high Pt minbias samples
  • Run the pile-up digitization code
Signal samples are already produced by J.Meyer and you can find them here:
  • /eos/atlas/user/j/jomeyer/NSWProduction/MC12.107202.ParticleGenerator_dimu_Pt10/HITS
  • /eos/atlas/user/j/jomeyer/NSWProduction/MC12.107203.ParticleGenerator_dimu_Pt20/HITS
  • /eos/atlas/user/j/jomeyer/NSWProduction/MC12.107205.ParticleGenerator_dimu_Pt50/HITS
  • /eos/atlas/user/j/jomeyer/NSWProduction/MC12.107206.ParticleGenerator_dimu_Pt100/HITS
  • /eos/atlas/user/j/jomeyer/NSWProduction/MC12.107207.ParticleGenerator_dimu_Pt500/HITS
  • /eos/atlas/user/j/jomeyer/NSWProduction/MC12.107208.ParticleGenerator_dimu_Pt1000/HITS
  • /eos/atlas/user/j/jomeyer/NSWProduction/MC12.107209.ParticleGenerator_dimu_Pt10_100/HITS
The list of available 14 TeV pileup hits samples are here: https://twiki.cern.ch/twiki/bin/viewauth/AtlasProtected/AtlasProductionGroupMC12Upgrade
These hits files do not include the NSW so you have to search in AMI the corresponding EVNT.pool.root files for low and high Pt and rerun the simulation.

How to simulate samples

AtlasG4_tf.py --conditionsTag='OFLCOND-MC12b-SIM-00' --preExec='sim:simFlags.SimulateNewSmallWheel=True' --geometryVersion='ATLAS-GEO-21-00-01_VALIDATION' --physicsList='FTFP_BERT' --preInclude='SimulationJobOptions/preInclude.BeamPipeKill.py' --postInclude='RecJobTransforms/UseFrontier.py' --maxEvents='2000' --inputEVNTFile='input.EVNT.pool.root' --outputHITSFile='output.HITS.pool.root'

How to merge samples

HITSMerge_tf.py --maxEvents='2000' --inputHITSFile='input_1.HITS.pool.root,input_2.HITS.pool.root,input_3.HITS.pool.root' --outputHITS_MRGFile='output.merge.HITS.pool.root' --skipEvents=0 --postInclude='RecJobTransforms/UseFrontier.py'

How to run pile-up digitization

Digi_tf.py --inputHitsFile='signal.HITS.pool.root' --outputRDOFile='signal_and_minbias.RDO.pool.root' --preExec='HITtoRDO:from Digitization.DigitizationFlags import digitizationFlags;digitizationFlags.overrideMetadata=["PhysicsList","SimLayout","MagneticField","SimulatedDetectors"];from AthenaCommon.DetFlags import DetFlags;DetFlags.Truth_setOn();DetFlags.BCM_setOn();DetFlags.ID_setOff();DetFlags.Calo_setOff();DetFlags.Muon_setOn(); DetFlags.MDT_setOn();DetFlags.CSC_setOn();DetFlags.TGC_setOn();DetFlags.RPC_setOn(); DetFlags.sTGC_setOn();DetFlags.Micromegas_setOn();DetFlags.digitize.MDT_setOn(); DetFlags.digitize.TGC_setOn();DetFlags.digitize.RPC_setOn();DetFlags.digitize.CSC_setOn(); DetFlags.digitize.Micromegas_setOn();DetFlags.digitize.sTGC_setOn();' --maxEvents='4000' --skipEvents='0' --geometryVersion='ATLAS-GEO-21-00-01_VALIDATION' --conditionsTag='OFLCOND-MC12b-SDR-01' --digiSeedOffset1='11' --digiSeedOffset2='22' --preInclude='Digitization/ForceUseOfPileUpTools.py,SimulationJobOptions/preInclude.PileUpBunchTrainsUpgradeConfig1_25ns.py' --numberOfHighPtMinBias='0.045336' --numberOfLowPtMinBias='39.954664' '--LowPtMinbiasHitsFile=lowPtMinbias.merge.HITS.pool.root' '--HighPtMinbiasHitsFile=highPtMinbias.merge.HITS.pool.root' --jobNumber='1' --postExec="mm=job.PileUpToolsAlg.PileUpTools[\"MmDigitizationTool\"];mm.RndmSvc=jobproperties.Digitization.rndmSvc.get_Value();mm.qThreshold=0.00000001;mm.SaveInternalHistos=True;mm.qThresholdForTrigger=2;mm.ValidationSetup=True;streamRDO.ItemList+=[\"MuonSimDataCollection#MM_SDO\",\"MuonSimDataCollection#sTGC_SDO\",\"GenericMuonSimHitCollection#InputMicroMegasHits\"];from MuonPRDTest.MuonPRDTestConf import NSWPRDValAlg;job+=NSWPRDValAlg(\"NSWPRDValAlg\",doSTGCFastDigit=False,doMMFastDigit=False,doSTGCHit=True,doSTGCDigit=True,NSWMM_ContainerName=\"InputMicroMegasHits\",NSWsTGC_DigitContainerName=\"sTGC_DIGITS\");from GaudiSvc.GaudiSvcConf import THistSvc;ServiceMgr += THistSvc();ServiceMgr.THistSvc.Output=[\"NSWPRDValAlg DATAFILE=\'NSWPRDValAlg.root\' OPT=\'RECREATE\'\"]"


Major updates:
-- GeraldineConti - 15-January-2014

-- RaniaSidiropoulou - 16 Mar 2014

Never reviewed

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