File indexing completed on 2024-04-06 12:03:36
0001 import FWCore.ParameterSet.Config as cms
0002
0003 pythiaUESettingsBlock = cms.PSet(
0004 pythiaUESettings = cms.vstring(
0005 'MSTJ(11)=3 ! Choice of the fragmentation function',
0006 'MSTJ(22)=2 ! Decay those unstable particles',
0007 'PARJ(71)=10 . ! for which ctau 10 mm',
0008 'MSTP(2)=1 ! which order running alphaS',
0009 'MSTP(33)=0 ! no K factors in hard cross sections',
0010 'MSTP(51)=10042 ! structure function chosen (external PDF CTEQ6L1)',
0011 'MSTP(52)=2 ! work with LHAPDF',
0012 'MSTP(81)=1 ! multiple parton interactions 1 is Pythia default',
0013 'MSTP(82)=4 ! Defines the multi-parton model',
0014 'MSTU(21)=1 ! Check on possible errors during program execution',
0015 'PARP(82)=1.8387 ! pt cutoff for multiparton interactions',
0016 'PARP(89)=1960. ! sqrts for which PARP82 is set',
0017 'PARP(83)=0.5 ! Multiple interactions: matter distrbn parameter',
0018 'PARP(84)=0.4 ! Multiple interactions: matter distribution parameter',
0019 'PARP(90)=0.16 ! Multiple interactions: rescaling power',
0020 'PARP(67)=2.5 ! amount of initial-state radiation',
0021 'PARP(85)=1.0 ! gluon prod. mechanism in MI',
0022 'PARP(86)=1.0 ! gluon prod. mechanism in MI',
0023 'PARP(62)=1.25 ! ',
0024 'PARP(64)=0.2 ! ',
0025 'MSTP(91)=1 !',
0026 'PARP(91)=2.1 ! kt distribution',
0027 'PARP(93)=15.0 ! '
0028 )
0029 )
