00001 import FWCore.ParameterSet.Config as cms
00002
00003 source = cms.Source("PythiaSource",
00004 pythiaVerbosity = cms.untracked.bool(False),
00005 PythiaParameters = cms.PSet(
00006 pythiaZtt = cms.vstring('MSEL = 11 ',
00007 'MDME( 174,1) = 0 !Z decay into d dbar',
00008 'MDME( 175,1) = 0 !Z decay into u ubar',
00009 'MDME( 176,1) = 0 !Z decay into s sbar',
00010 'MDME( 177,1) = 0 !Z decay into c cbar',
00011 'MDME( 178,1) = 0 !Z decay into b bbar',
00012 'MDME( 179,1) = 0 !Z decay into t tbar',
00013 'MDME( 182,1) = 0 !Z decay into e- e+',
00014 'MDME( 183,1) = 0 !Z decay into nu_e nu_ebar',
00015 'MDME( 184,1) = 0 !Z decay into mu- mu+',
00016 'MDME( 185,1) = 0 !Z decay into nu_mu nu_mubar',
00017 'MDME( 186,1) = 1 !Z decay into tau- tau+',
00018 'MDME( 187,1) = 0 !Z decay into nu_tau nu_taubar',
00019 'MSTJ( 11) = 3 !Choice of the fragmentation function',
00020 'MSTP( 2) = 1 !which order running alphaS',
00021 'MSTP( 33) = 0 !(D=0) ',
00022 'MSTP( 51) = 7 !structure function chosen',
00023 'MSTP( 81) = 1 !multiple parton interactions 1 is Pythia default',
00024 'MSTP( 82) = 4 !Defines the multi-parton model',
00025 'PARJ( 71) = 10. !for which ctau 10 mm',
00026 'PARP( 82) = 1.9 !pt cutoff for multiparton interactions',
00027 'PARP( 89) = 1000. !sqrts for which PARP82 is set',
00028 'PARP( 83) = 0.5 !Multiple interactions: matter distrbn parameter',
00029 'PARP( 84) = 0.4 !Multiple interactions: matter distribution parameter',
00030 'PARP( 90) = 0.16 !Multiple interactions: rescaling power',
00031 'CKIN( 1) = 40. !(D=2. GeV)',
00032 'CKIN( 2) = -1. !(D=-1. GeV)',
00033 'MDME(89,1)=0 ! no tau->electron',
00034 'MDME(90,1)=0 ! no tau->muon'),
00035 parameterSets = cms.vstring('pythiaZtt')
00036 )
00037 )
00038
00039
1.5.4