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#Using evtgen plugin
import FWCore.ParameterSet.Config as cms
process = cms.Process("PROD")
process.load("Configuration.StandardSequences.SimulationRandomNumberGeneratorSeeds_cff")
process.source = cms.Source("EmptySource")
process.generator = cms.EDFilter("Pythia8GeneratorFilter",
maxEventsToPrint = cms.untracked.int32(1),
pythiaPylistVerbosity = cms.untracked.int32(1),
filterEfficiency = cms.untracked.double(1.0),
pythiaHepMCVerbosity = cms.untracked.bool(False),
comEnergy = cms.double(13000.),
useEvtGenPlugin = cms.PSet(),
#evtgenDecFile = cms.string("mydecfile"),
#evtgenPdlFile = cms.string("mypdlfile"),
evtgenUserFile = cms.vstring('GeneratorInterface/Pythia8Interface/test/evtgen_userfile.dec'),
PythiaParameters = cms.PSet(
pythia8_example11 = cms.vstring('HardQCD:hardbbbar = on'),
parameterSets = cms.vstring('pythia8_example11')
)
)
# in order to use lhapdf PDF add a line like this to pythia8_example02:
# 'PDF:pSet = LHAPDF5:MRST2004nlo.LHpdf'
process.load("FWCore.MessageLogger.MessageLogger_cfi")
process.MessageLogger = cms.Service("MessageLogger",
cerr = cms.untracked.PSet(
enable = cms.untracked.bool(False)
),
cout = cms.untracked.PSet(
default = cms.untracked.PSet(
limit = cms.untracked.int32(2)
),
enable = cms.untracked.bool(True)
)
)
process.RandomNumberGeneratorService = cms.Service("RandomNumberGeneratorService",
generator = cms.PSet(
initialSeed = cms.untracked.uint32(123456789),
)
)
process.maxEvents = cms.untracked.PSet(
input = cms.untracked.int32(10)
)
process.GEN = cms.OutputModule("PoolOutputModule",
fileName = cms.untracked.string('pythia8ex11.root')
)
process.p = cms.Path(process.generator)
process.outpath = cms.EndPath(process.GEN)
process.schedule = cms.Schedule(process.p, process.outpath)
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