muonME0Digis_cfi.py

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import FWCore.ParameterSet.Config as cms

from SimMuon.GEMDigitizer.muonGEMDigis_cfi import gemDigiCommonParameters

me0DigiCommonParameters = cms.PSet(
    signalPropagationSpeed = cms.double(0.66),
    timeResolution = cms.double(5),
    timeJitter = cms.double(1.0),
    averageShapingTime = cms.double(50.0),
    averageEfficiency = cms.double(0.98),
    averageNoiseRate = cms.double(0.001), #intrinsic noise
    bxwidth = cms.int32(25),
    minBunch = cms.int32(-5), ## in terms of 25 ns
    maxBunch = cms.int32(3),
    mixLabel = cms.string('mix'),   # added by A.Sharma
    inputCollection = cms.string('g4SimHitsMuonME0Hits'),
    digiModelString = cms.string('Simple'),
    digitizeOnlyMuons = cms.bool(False),
    doBkgNoise = cms.bool(False), #False == No background simulation
    doNoiseCLS = cms.bool(True),
    fixedRollRadius = cms.bool(True), #Uses fixed radius in the center of the roll
    simulateIntrinsicNoise = cms.bool(False),
    simulateElectronBkg = cms.bool(True),   #False=simulate only neutral Bkg
    instLumi = gemDigiCommonParameters.instLumi, # in units of 1E34 cm^-2 s^-1. Internally the background is parametrized from FLUKA+GEANT results at 5x10^34 (PU140). We are adding a 1.5 factor for PU200
    rateFact = gemDigiCommonParameters.rateFact, # We are adding also a safety factor of 2 to take into account the new beam pipe effect (not yet known). Hits can be thrown away later at re-digi step. Parameters are kept in sync with the ones used in the GEM digitizer
    referenceInstLumi = gemDigiCommonParameters.referenceInstLumi,  #reference inst. luminosity 5x10^34 cm-2s-1
    #The following parameters are needed to model the background contribution. 
    #The parameters have been obtained after the fit of the predicted by FLUKA.
    #By default the backgroundmodeling with these parameters should be disabled with 
    #the 9_2_X release setting doBkgNoise=False
    ME0ElecBkgParam0 = cms.double(0.00171409),
    ME0ElecBkgParam1 = cms.double(4900.56),
    ME0ElecBkgParam2 = cms.double(710909),
    ME0ElecBkgParam3 = cms.double(-4327.25),
    ME0NeuBkgParam0 = cms.double(0.00386257),
    ME0NeuBkgParam1 = cms.double(6344.65),
    ME0NeuBkgParam2 = cms.double(16627700),
    ME0NeuBkgParam3 = cms.double(-102098)
)

from Configuration.ProcessModifiers.premix_stage2_cff import premix_stage2
premix_stage2.toModify(me0DigiCommonParameters, mixLabel = "mixData")

# Module to create simulated ME0 digis.
simMuonME0Digis = cms.EDProducer("ME0DigiProducer",
    me0DigiCommonParameters
)