00001 import FWCore.ParameterSet.Config as cms
00002
00003 source = cms.Source("EmptySource")
00004
00005 generator = cms.EDFilter("Pythia6GeneratorFilter",
00006 comEnergy = cms.double(14000.),
00007 pythiaVerbosity = cms.untracked.bool(False),
00008 PythiaParameters = cms.PSet(
00009 pythiaZtt = cms.vstring('MSEL = 11 ',
00010 'MDME( 174,1) = 0 !Z decay into d dbar',
00011 'MDME( 175,1) = 0 !Z decay into u ubar',
00012 'MDME( 176,1) = 0 !Z decay into s sbar',
00013 'MDME( 177,1) = 0 !Z decay into c cbar',
00014 'MDME( 178,1) = 0 !Z decay into b bbar',
00015 'MDME( 179,1) = 0 !Z decay into t tbar',
00016 'MDME( 182,1) = 0 !Z decay into e- e+',
00017 'MDME( 183,1) = 0 !Z decay into nu_e nu_ebar',
00018 'MDME( 184,1) = 0 !Z decay into mu- mu+',
00019 'MDME( 185,1) = 0 !Z decay into nu_mu nu_mubar',
00020 'MDME( 186,1) = 1 !Z decay into tau- tau+',
00021 'MDME( 187,1) = 0 !Z decay into nu_tau nu_taubar',
00022 'MSTJ( 11) = 3 !Choice of the fragmentation function',
00023 'MSTP( 2) = 1 !which order running alphaS',
00024 'MSTP( 33) = 0 !(D=0) ',
00025 'MSTP( 51) = 7 !structure function chosen',
00026 'MSTP( 81) = 1 !multiple parton interactions 1 is Pythia default',
00027 'MSTP( 82) = 4 !Defines the multi-parton model',
00028 'PARJ( 71) = 10. !for which ctau 10 mm',
00029 'PARP( 82) = 1.9 !pt cutoff for multiparton interactions',
00030 'PARP( 89) = 1000. !sqrts for which PARP82 is set',
00031 'PARP( 83) = 0.5 !Multiple interactions: matter distrbn parameter',
00032 'PARP( 84) = 0.4 !Multiple interactions: matter distribution parameter',
00033 'PARP( 90) = 0.16 !Multiple interactions: rescaling power',
00034 'CKIN( 1) = 40. !(D=2. GeV)',
00035 'CKIN( 2) = -1. !(D=-1. GeV)',
00036 'MDME(89,1)=0 ! no tau->electron',
00037 'MDME(90,1)=0 ! no tau->muon'),
00038 parameterSets = cms.vstring('pythiaZtt')
00039 )
00040 )
00041
00042 ProductionFilterSequence = cms.Sequence(generator)
1.7.3