MinBias_8TeV_pythia8_cff.py

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import FWCore.ParameterSet.Config as cms

source = cms.Source("EmptySource")

generator = cms.EDFilter("Pythia8GeneratorFilter",
    crossSection = cms.untracked.double(71.39e+09),
    maxEventsToPrint = cms.untracked.int32(0),
    pythiaPylistVerbosity = cms.untracked.int32(1),
    filterEfficiency = cms.untracked.double(1.0),
    pythiaHepMCVerbosity = cms.untracked.bool(False),
    comEnergy = cms.double(8000.0),
    PythiaParameters = cms.PSet(
        processParameters = cms.vstring(
        'Main:timesAllowErrors    = 10000', 
            'ParticleDecays:limitTau0 = on',
        'ParticleDecays:tauMax = 10',
            'SoftQCD:nonDiffractive = on',           
            'SoftQCD:singleDiffractive = on', 
            'SoftQCD:doubleDiffractive = on', 
            'Tune:pp 2',                      
            'Tune:ee 3'),
        parameterSets = cms.vstring('processParameters')
    )
)

ProductionFilterSequence = cms.Sequence(generator)