Go to the documentation of this file.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 pythiaHepMCVerbosity = cms.untracked.bool(False),
00008 maxEventsToPrint = cms.untracked.int32(0),
00009 pythiaPylistVerbosity = cms.untracked.int32(0),
00010 PythiaParameters = cms.PSet(
00011 pythiaUESettings = cms.vstring('MSTJ(11)=3 ! Choice of the fragmentation function',
00012 'MSTJ(22)=2 ! Decay those unstable particles',
00013 'PARJ(71)=10 . ! for which ctau 10 mm',
00014 'MSTP(2)=1 ! which order running alphaS',
00015 'MSTP(33)=0 ! no K factors in hard cross sections',
00016 'MSTP(51)=7 ! structure function chosen',
00017 'MSTP(81)=1 ! multiple parton interactions 1 is Pythia default',
00018 'MSTP(82)=4 ! Defines the multi-parton model',
00019 'MSTU(21)=1 ! Check on possible errors during program execution',
00020 'PARP(82)=1.9409 ! pt cutoff for multiparton interactions',
00021 'PARP(89)=1960. ! sqrts for which PARP82 is set',
00022 'PARP(83)=0.5 ! Multiple interactions: matter distrbn parameter',
00023 'PARP(84)=0.4 ! Multiple interactions: matter distribution parameter',
00024 'PARP(90)=0.16 ! Multiple interactions: rescaling power',
00025 'PARP(67)=2.5 ! amount of initial-state radiation',
00026 'PARP(85)=1.0 ! gluon prod. mechanism in MI',
00027 'PARP(86)=1.0 ! gluon prod. mechanism in MI',
00028 'PARP(62)=1.25 ! ',
00029 'PARP(64)=0.2 ! ',
00030 'MSTP(91)=1 !',
00031 'PARP(91)=2.1 ! kt distribution',
00032 'PARP(93)=15.0 ! '),
00033
00034 parameterSets = cms.vstring('pythiaUESettings',
00035 'processParameters'),
00036 processParameters = cms.vstring('MSEL=0 ! User defined processes',
00037 'MSUB(81) = 1 ! qqbar to QQbar',
00038 'MSUB(82) = 1 ! gg to QQbar',
00039 'MSTP(7) = 6 ! flavour = top',
00040 'PMAS(6,1) = 175. ! top quark mass')
00041 )
00042 )
00043
00044 ProductionFilterSequence = cms.Sequence(generator)