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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(2)=1      ! which order running alphaS', 
0009         'MSTP(33)=0     ! no K factors in hard cross sections', 
0010         'MSTP(51)=7     ! structure function chosen (internal PDF CTEQ5L)',
0011     'MSTP(52)=1     ! work with LHAPDF',
0012     'PARJ(1)=0.073  ! FLAV (Tuned by Professor on LEP data)',
0013     'PARJ(2)=0.2    ! FLAV (Tuned by Professor on LEP data)',
0014     'PARJ(3)=0.94   ! FLAV (Tuned by Professor on LEP data)',
0015     'PARJ(4)=0.032  ! FLAV (Tuned by Professor on LEP data)',
0016     'PARJ(11)=0.31  ! FLAV (Tuned by Professor on LEP data)',
0017     'PARJ(12)=0.4   ! FLAV (Tuned by Professor on LEP data)',
0018     'PARJ(13)=0.54  ! FLAV (Tuned by Professor on LEP data)',
0019     'PARJ(25)=0.63  ! FLAV (Tuned by Professor on LEP data)',
0020     'PARJ(26)=0.12  ! FLAV (Tuned by Professor on LEP data)',
0021         'MSTJ(11)=5     ! HAD Choice of the fragmentation function',    
0022     'PARJ(21)=0.313 ! HAD (Tuned by Professor on LEP data)', 
0023         'PARJ(41)=0.49  ! HAD (Tuned by Professor on LEP data)',                                     
0024         'PARJ(42)=1.2   ! HAD (Tuned by Professor on LEP data)',                                     
0025         'PARJ(46)=1.0   ! HAD (Tuned by Professor on LEP data)',                                     
0026         'PARJ(47)=1.0   ! HAD (Tuned by Professor on LEP data)',                                     
0027         'PARP(62)=2.9   ! ISR', 
0028         'PARP(64)=0.14  ! ISR', 
0029         'PARP(67)=2.65  ! ISR', 
0030         'MSTP(81)=1     ! MPI 1 is old Pythia set of models', 
0031         'MSTP(82)=4     ! MPI model', 
0032         'PARP(82)=1.9   ! MPI pt cutoff for multiparton interactions', 
0033         'PARP(83)=0.83  ! MPI matter distrbn parameter', 
0034         'PARP(84)=0.6   ! MPI matter distribution parameter', 
0035         'PARP(85)=0.86  ! MPI gluon prod. mechanism', 
0036         'PARP(86)=0.93  ! MPI gluon prod. mechanism', 
0037         'PARP(89)=1800. ! MPI sqrts for which PARP82 is set', 
0038         'PARP(90)=0.22  ! MPI rescaling power', 
0039         'MSTP(91)=1     ! BR', 
0040         'PARP(91)=2.1   ! BR kt distribution', 
0041         'PARP(93)=5.0   ! BR'
0042     )
0043 )