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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         'MSTU(21)=1     ! Check on possible errors during program execution', 
0006         'MSTJ(22)=2     ! Decay those unstable particles', 
0007         'PARJ(71)=10 .  ! for which ctau  10 mm', 
0008         'MSTP(33)=0     ! no K factors in hard cross sections', 
0009         'MSTP(2)=1      ! which order running alphaS', 
0010                 'MSTP(51)=10042 ! structure function chosen (external PDF CTEQ6L1)',
0011                 'MSTP(52)=2     ! work with LHAPDF',
0012 
0013         'PARP(82)=1.832 ! pt cutoff for multiparton interactions', 
0014         'PARP(89)=1800. ! sqrts for which PARP82 is set', 
0015         'PARP(90)=0.275 ! Multiple interactions: rescaling power', 
0016 
0017         'MSTP(95)=6     ! CR (color reconnection parameters)',
0018         'PARP(77)=1.016 ! CR',
0019         'PARP(78)=0.538 ! CR',
0020 
0021         'PARP(80)=0.1   ! Prob. colored parton from BBR',
0022 
0023         'PARP(83)=0.356 ! Multiple interactions: matter distribution parameter', 
0024         'PARP(84)=0.651 ! Multiple interactions: matter distribution parameter', 
0025 
0026         'PARP(62)=1.025 ! ISR cutoff', 
0027 
0028         'MSTP(91)=1     ! Gaussian primordial kT', 
0029         'PARP(93)=10.0  ! primordial kT-max', 
0030 
0031         'MSTP(81)=21    ! multiple parton interactions 1 is Pythia default', 
0032         'MSTP(82)=4     ! Defines the multi-parton model', 
0033     )
0034 )