hgcalDigitizer_cfi.py

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import FWCore.ParameterSet.Config as cms

# Base configurations for HGCal digitizers
eV_per_eh_pair = 3.62
fC_per_ele     = 1.6020506e-4
nonAgedCCEs    = [1.0, 1.0, 1.0]
nonAgedNoises  = [2100.0,2100.0,1600.0] #100,200,300 um (in electrons)
thresholdTracksMIP = False

HGCAL_noise_fC = cms.PSet(
    values = cms.vdouble( [x*fC_per_ele for x in nonAgedNoises] ), #100,200,300 um
    )

HGCAL_noise_MIP = cms.PSet(
    value = cms.double(1.0/7.0)
    )

HGCAL_chargeCollectionEfficiencies = cms.PSet(
    values = cms.vdouble( nonAgedCCEs )
    )

HGCAL_noises = cms.PSet(
    values = cms.vdouble([x for x in nonAgedNoises])
    )

# ECAL
hgceeDigitizer = cms.PSet(
    accumulatorType   = cms.string("HGCDigiProducer"),
    hitCollection     = cms.string("HGCHitsEE"),
    digiCollection    = cms.string("HGCDigisEE"),
    maxSimHitsAccTime = cms.uint32(100),
    bxTime            = cms.double(25),
    eVPerEleHolePair = cms.double(eV_per_eh_pair),
    tofDelay          = cms.double(5),
    geometryType      = cms.uint32(0),
    digitizationType  = cms.uint32(0),
    makeDigiSimLinks  = cms.bool(False),
    premixStage1      = cms.bool(False),
    premixStage1MinCharge = cms.double(0),
    premixStage1MaxCharge = cms.double(1e6),
    useAllChannels    = cms.bool(True),
    verbosity         = cms.untracked.uint32(0),
    digiCfg = cms.PSet(
        keV2fC           = cms.double(0.044259), #1000 eV/3.62 (eV per e) / 6.24150934e3 (e per fC)

        chargeCollectionEfficiencies = cms.PSet(refToPSet_ = cms.string("HGCAL_chargeCollectionEfficiencies")),
        noise_fC         = cms.PSet(refToPSet_ = cms.string("HGCAL_noise_fC")),
        doTimeSamples    = cms.bool(False),
        feCfg   = cms.PSet(
            # 0 only ADC, 1 ADC with pulse shape, 2 ADC+TDC with pulse shape
            fwVersion         = cms.uint32(2),
            # leakage to bunches -2, -1, in-time, +1, +2, +3 (from J. Kaplon)
            #NOTE: this is a fixed-size array inside the simulation (for speed) change accordingly!
            adcPulse          = cms.vdouble(0.00, 0.017,   0.817,   0.163,  0.003,  0.000),
            pulseAvgT         = cms.vdouble(0.00, 23.42298,13.16733,6.41062,5.03946,4.5320),
            # n bits for the ADC
            adcNbits          = cms.uint32(10),
            # ADC saturation
            adcSaturation_fC  = cms.double(100),
            # the tdc resolution smearing (in picoseconds)
            tdcResolutionInPs = cms.double( 0.001 ),
            # jitter for timing noise term ns
            jitterNoise_ns = cms.vdouble(25., 25., 25.),
            # jitter for timing noise term ns
            jitterConstant_ns = cms.vdouble(0.0004, 0.0004, 0.0004),
            # LSB for TDC, assuming 12 bit dynamic range to 10 pC
            tdcNbits          = cms.uint32(12),
            # TDC saturation
            tdcSaturation_fC  = cms.double(10000),
            # raise threshold flag (~MIP/2) this is scaled
            # for different thickness
            adcThreshold_fC   = cms.double(0.672),
            thresholdFollowsMIP        = cms.bool(thresholdTracksMIP),
            # raise usage of TDC and mode flag (from J. Kaplon)
            tdcOnset_fC       = cms.double(60),
            # raise usage of TDC for TOA only
            tdcForToAOnset_fC = cms.vdouble(12., 12., 12.),
            # LSB for time of arrival estimate from TDC in ns
            toaLSB_ns         = cms.double(0.0244),
            #toa computation mode (0=by weighted energy, 1=simple threshold)
            toaMode           = cms.uint32(1),
            # TDC charge drain parameterisation (from J. Kaplon)
            tdcChargeDrainParameterisation = cms.vdouble(
                -919.13, 365.36, -14.10, 0.2,
                 -21.85, 49.39,  22.21,  0.8,
                 -0.28,   27.14,  43.95,
                 3.89048 )
            )
        )
    )

# HCAL front
hgchefrontDigitizer = cms.PSet(
    accumulatorType   = cms.string("HGCDigiProducer"),
    hitCollection  = cms.string("HGCHitsHEfront"),
    digiCollection = cms.string("HGCDigisHEfront"),
    maxSimHitsAccTime = cms.uint32(100),
    bxTime            = cms.double(25),
    tofDelay          = cms.double(5),
    geometryType      = cms.uint32(0),
    digitizationType  = cms.uint32(0),
    makeDigiSimLinks  = cms.bool(False),
    premixStage1      = cms.bool(False),
    premixStage1MinCharge = cms.double(0),
    premixStage1MaxCharge = cms.double(1e6),
    useAllChannels    = cms.bool(True),
    verbosity         = cms.untracked.uint32(0),
    digiCfg = cms.PSet(
        keV2fC           = cms.double(0.044259), #1000 eV / 3.62 (eV per e) / 6.24150934e3 (e per fC)
        chargeCollectionEfficiencies = cms.PSet(refToPSet_ = cms.string("HGCAL_chargeCollectionEfficiencies")),
        noise_fC         = cms.PSet(refToPSet_ = cms.string("HGCAL_noise_fC")),
        doTimeSamples    = cms.bool(False),
        feCfg   = cms.PSet(
            # 0 only ADC, 1 ADC with pulse shape, 2 ADC+TDC with pulse shape
            fwVersion         = cms.uint32(2),
            # leakage to bunches -2, -1, in-time, +1, +2, +3 (from J. Kaplon)
            adcPulse          = cms.vdouble(0.00, 0.017,   0.817,   0.163,  0.003,  0.000),
            pulseAvgT         = cms.vdouble(0.00, 23.42298,13.16733,6.41062,5.03946,4.5320),
            # n bits for the ADC
            adcNbits          = cms.uint32(10),
            # ADC saturation
            adcSaturation_fC  = cms.double(100),
            # the tdc resolution smearing (in picoseconds)
            tdcResolutionInPs = cms.double( 0.001 ),
            # jitter for timing noise term ns
            jitterNoise_ns = cms.vdouble(25., 25., 25.),
            # jitter for timing noise term ns
            jitterConstant_ns = cms.vdouble(0.0004, 0.0004, 0.0004),
            # LSB for TDC, assuming 12 bit dynamic range to 10 pC
            tdcNbits          = cms.uint32(12),
            # TDC saturation
            tdcSaturation_fC  = cms.double(10000),
            # raise threshold flag (~MIP/2) this is scaled
            # for different thickness
            adcThreshold_fC   = cms.double(0.672),
            thresholdFollowsMIP        = cms.bool(thresholdTracksMIP),
            # raise usage of TDC and mode flag (from J. Kaplon)
            tdcOnset_fC       = cms.double(60),
            # raise usage of TDC for TOA only
            tdcForToAOnset_fC = cms.vdouble(12., 12., 12.),
            # LSB for time of arrival estimate from TDC in ns
            toaLSB_ns         = cms.double(0.0244),
            #toa computation mode (0=by weighted energy, 1=simple threshold)
            toaMode           = cms.uint32(1),
            # TDC charge drain parameterisation (from J. Kaplon)
            tdcChargeDrainParameterisation = cms.vdouble(
                -919.13, 365.36, -14.10, 0.2,
                 -21.85, 49.39,  22.21,  0.8,
                 -0.28,   27.14,  43.95,
                 3.89048)
            )
        )
    )


# HCAL back (CALICE-like version, no pulse shape)
hgchebackDigitizer = cms.PSet(
    accumulatorType   = cms.string("HGCDigiProducer"),
    hitCollection = cms.string("HcalHits"),
    digiCollection = cms.string("HGCDigisHEback"),
    maxSimHitsAccTime = cms.uint32(100),
    bxTime            = cms.double(25),
    tofDelay          = cms.double(1),
    geometryType      = cms.uint32(0),
    digitizationType  = cms.uint32(1),
    makeDigiSimLinks  = cms.bool(False),
    premixStage1      = cms.bool(False),
    premixStage1MinCharge = cms.double(0),
    premixStage1MaxCharge = cms.double(1e6),
    useAllChannels    = cms.bool(True),
    verbosity         = cms.untracked.uint32(0),
    digiCfg = cms.PSet(
        keV2MIP           = cms.double(1./616.0),
        noise_MIP         = cms.PSet(refToPSet_ = cms.string("HGCAL_noise_MIP")),
        doTimeSamples = cms.bool(False),
        nPEperMIP = cms.double(11.0),
        nTotalPE  = cms.double(1156), #1156 pixels => saturation ~600MIP
        xTalk     = cms.double(0.25),
        sdPixels  = cms.double(1e-6), # this is additional photostatistics noise (as implemented), not sure why it's here...
        feCfg   = cms.PSet(
            # 0 only ADC, 1 ADC with pulse shape, 2 ADC+TDC with pulse shape
            fwVersion       = cms.uint32(0),
            # n bits for the ADC
            adcNbits        = cms.uint32(12),
            # ADC saturation : in this case we use the same variable but fC=MIP
            adcSaturation_fC = cms.double(1024.0),
            # threshold for digi production : in this case we use the same variable but fC=MIP
            adcThreshold_fC = cms.double(0.50),
            thresholdFollowsMIP = cms.bool(False)
            )
        )
    )
from Configuration.ProcessModifiers.premix_stage1_cff import premix_stage1
for _m in [hgceeDigitizer, hgchefrontDigitizer, hgchebackDigitizer]:
    premix_stage1.toModify(_m, premixStage1 = True)

#function to set noise to aged HGCal
endOfLifeCCEs = [0.5, 0.5, 0.7]
endOfLifeNoises = [2400.0,2250.0,1750.0]
def HGCal_setEndOfLifeNoise(digitizer,process):
    process.HGCAL_noise_fC = cms.PSet(
        values = cms.vdouble( [x*fC_per_ele for x in endOfLifeNoises] ), #100,200,300 um
        )
    process.HGCAL_chargeCollectionEfficiencies = cms.PSet(
        values = cms.vdouble(endOfLifeCCEs)
        )
    process.HGCAL_noise_MIP = cms.PSet(
        value = cms.double( 1.0/5.0 )
        )
    process.HGCAL_noises = cms.PSet(
        values = cms.vdouble([x for x in endOfLifeNoises])
        )

from Configuration.Eras.Modifier_phase2_hgcalV9_cff import phase2_hgcalV9

phase2_hgcalV9.toModify( hgceeDigitizer,
      geometryType      = cms.uint32(1),
)
phase2_hgcalV9.toModify( hgchefrontDigitizer,
      geometryType      = cms.uint32(1),
)
phase2_hgcalV9.toModify( hgchebackDigitizer,
      geometryType      = cms.uint32(1),
      hitCollection = cms.string("HGCHitsHEback"),
)