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#Test of complete gen flow for an specific BPH signal decay.
import FWCore.ParameterSet.Config as cms
process = cms.Process('GEN')
# import of standard configurations
process.load('Configuration.StandardSequences.Services_cff')
process.load('SimGeneral.HepPDTESSource.pythiapdt_cfi')
process.load('FWCore.MessageService.MessageLogger_cfi')
process.load('Configuration.EventContent.EventContent_cff')
process.load('SimGeneral.MixingModule.mixNoPU_cfi')
process.load('Configuration.StandardSequences.GeometryRecoDB_cff')
process.load('Configuration.StandardSequences.MagneticField_cff')
process.load('Configuration.StandardSequences.Generator_cff')
process.load('IOMC.EventVertexGenerators.VtxSmearedRealistic50ns13TeVCollision_cfi')
process.load('GeneratorInterface.Core.genFilterSummary_cff')
process.load('Configuration.StandardSequences.EndOfProcess_cff')
process.load('Configuration.StandardSequences.FrontierConditions_GlobalTag_cff')
process.maxEvents = cms.untracked.PSet(
input = cms.untracked.int32(200)
)
# Input source
process.source = cms.Source("EmptySource")
process.options = cms.untracked.PSet()
# Output definition
process.RAWSIMoutput = cms.OutputModule("PoolOutputModule",
SelectEvents = cms.untracked.PSet(
SelectEvents = cms.vstring('generation_step')
),
dataset = cms.untracked.PSet(
dataTier = cms.untracked.string('GEN'),
filterName = cms.untracked.string('')
),
eventAutoFlushCompressedSize = cms.untracked.int32(5242880),
fileName = cms.untracked.string('file:gen_lambdab.root'),
outputCommands = process.RAWSIMEventContent.outputCommands,
splitLevel = cms.untracked.int32(0)
)
# Additional output definition
# Other statements
process.genstepfilter.triggerConditions=cms.vstring("generation_step")
from Configuration.AlCa.GlobalTag import GlobalTag
process.GlobalTag = GlobalTag(process.GlobalTag, 'auto:run2_mc', '')
process.generator = cms.EDFilter("Pythia8GeneratorFilter",
ExternalDecays = cms.PSet(
EvtGen1 = cms.untracked.PSet(
convertPythiaCodes = cms.untracked.bool(False),
decay_table = cms.string('GeneratorInterface/EvtGenInterface/data/DECAY_NOLONGLIFE.DEC'),
list_forced_decays = cms.vstring('MyLambda_b0','Myanti-Lambda_b0'),
particle_property_file = cms.FileInPath('GeneratorInterface/EvtGenInterface/data/evt.pdl'),
operates_on_particles = cms.vint32(5122), #only care about signal particle
user_decay_embedded = cms.vstring(
"""
Alias MyLambda_b0 Lambda_b0
Alias Myanti-Lambda_b0 anti-Lambda_b0
ChargeConj Myanti-Lambda_b0 MyLambda_b0
#
Decay MyLambda_b0
1.000 p+ mu- anti-nu_mu PHOTOS Lb2plnuLCSR 1 1 1 1;
#1.000 p+ mu- anti-nu_mu Lb2plnuLCSR 1 1 1 1;
Enddecay
CDecay Myanti-Lambda_b0
#
End
"""
)
),
parameterSets = cms.vstring('EvtGen1')
),
PythiaParameters = cms.PSet(
parameterSets = cms.vstring('pythia8CommonSettings',
'pythia8CUEP8M1Settings',
'processParameters'),
processParameters = cms.vstring(
'SoftQCD:nonDiffractive = on',
'PTFilter:filter = on',
'PTFilter:quarkToFilter = 5',
'PTFilter:scaleToFilter = 1.0'),
pythia8CUEP8M1Settings = cms.vstring('Tune:pp 14',
'Tune:ee 7',
'MultipartonInteractions:pT0Ref=2.4024',
'MultipartonInteractions:ecmPow=0.25208',
'MultipartonInteractions:expPow=1.6'),
pythia8CommonSettings = cms.vstring('Tune:preferLHAPDF = 2',
'Main:timesAllowErrors = 10000',
'Check:epTolErr = 0.01',
'Beams:setProductionScalesFromLHEF = off',
'SLHA:minMassSM = 1000.',
'ParticleDecays:limitTau0 = on',
'ParticleDecays:tau0Max = 10',
'ParticleDecays:allowPhotonRadiation = on')
),
comEnergy = cms.double(13000.0),
maxEventsToPrint = cms.untracked.int32(0),
pythiaHepMCVerbosity = cms.untracked.bool(False),
pythiaPylistVerbosity = cms.untracked.int32(0)
)
# The line below removes messages like "particle not recognized by pythia"
from GeneratorInterface.EvtGenInterface.EvtGenSetting_cff import *
process.generator.PythiaParameters.processParameters.extend(EvtGenExtraParticles)
process.lbfilter = cms.EDFilter("PythiaDauVFilter",
DaughterIDs = cms.untracked.vint32(2212, 13),
MaxEta = cms.untracked.vdouble(2.5, 2.5),
MinEta = cms.untracked.vdouble(-2.5, -2.5),
MinPt = cms.untracked.vdouble(0.4, 1.5),
MotherID = cms.untracked.int32(0),
NumberDaughters = cms.untracked.int32(2),
ParticleID = cms.untracked.int32(5122)
)
process.ProductionFilterSequence = cms.Sequence(process.generator+process.lbfilter)
# Path and EndPath definitions
process.generation_step = cms.Path(process.pgen)
process.genfiltersummary_step = cms.EndPath(process.genFilterSummary)
process.endjob_step = cms.EndPath(process.endOfProcess)
process.RAWSIMoutput_step = cms.EndPath(process.RAWSIMoutput)
# Schedule definition
process.schedule = cms.Schedule(process.generation_step,process.genfiltersummary_step,process.endjob_step,process.RAWSIMoutput_step)
# filter all path with the production filter sequence
for path in process.paths:
getattr(process,path)._seq = process.ProductionFilterSequence * getattr(process,path)._seq
process.MessageLogger.cerr.FwkReport.reportEvery = 10
# Customisation from command line
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