ZMM_cfi.py

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import FWCore.ParameterSet.Config as cms

from Configuration.Generator.PythiaUESettings_cfi import *
generator = cms.EDFilter("Pythia6GeneratorFilter",
    pythiaHepMCVerbosity = cms.untracked.bool(False),
    maxEventsToPrint = cms.untracked.int32(0),
    pythiaPylistVerbosity = cms.untracked.int32(0),
    filterEfficiency = cms.untracked.double(1.0),
    comEnergy = cms.double(10000.0),
    PythiaParameters = cms.PSet(
        pythiaUESettingsBlock,
        processParameters = cms.vstring('MSEL         = 11 ', 
            'MDME( 174,1) = 0    !Z decay into d dbar', 
            'MDME( 175,1) = 0    !Z decay into u ubar', 
            'MDME( 176,1) = 0    !Z decay into s sbar', 
            'MDME( 177,1) = 0    !Z decay into c cbar', 
            'MDME( 178,1) = 0    !Z decay into b bbar', 
            'MDME( 179,1) = 0    !Z decay into t tbar', 
            'MDME( 182,1) = 0    !Z decay into e- e+', 
            'MDME( 183,1) = 0    !Z decay into nu_e nu_ebar', 
            'MDME( 184,1) = 1    !Z decay into mu- mu+', 
            'MDME( 185,1) = 0    !Z decay into nu_mu nu_mubar', 
            'MDME( 186,1) = 0    !Z decay into tau- tau+', 
            'MDME( 187,1) = 0    !Z decay into nu_tau nu_taubar', 
            'CKIN( 1)     = 40.  !(D=2. GeV)', 
            'CKIN( 2)     = -1.  !(D=-1. GeV)'),
        # This is a vector of ParameterSet names to be read, in this order
        parameterSets = cms.vstring('pythiaUESettings', 
            'processParameters')
    )
)

mumugenfilter = cms.EDFilter("MCParticlePairFilter",
    Status = cms.untracked.vint32(1, 1),
    MinPt = cms.untracked.vdouble(2.5, 2.5),
    MaxEta = cms.untracked.vdouble(2.5, 2.5),
    MinEta = cms.untracked.vdouble(-2.5, -2.5),
    ParticleCharge = cms.untracked.int32(-1),
    ParticleID1 = cms.untracked.vint32(13),
    ParticleID2 = cms.untracked.vint32(13)
)

ProductionFilterSequence = cms.Sequence(generator*mumugenfilter)