1 import FWCore.ParameterSet.Config
as cms
3 pythiaUESettingsBlock = cms.PSet(
4 pythiaUESettings = cms.vstring(
5 'MSTU(21)=1 ! Check on possible errors during program execution',
6 'MSTJ(22)=2 ! Decay those unstable particles',
7 'PARJ(71)=10 . ! for which ctau 10 mm',
8 'MSTP(2)=1 ! which order running alphaS',
9 'MSTP(33)=0 ! no K factors in hard cross sections',
10 'MSTP(51)=7 ! structure function chosen (internal PDF CTEQ5L)',
11 'MSTP(52)=1 ! work with LHAPDF',
12 'PARJ(1)=0.073 ! FLAV (Tuned by Professor on LEP data)',
13 'PARJ(2)=0.2 ! FLAV (Tuned by Professor on LEP data)',
14 'PARJ(3)=0.94 ! FLAV (Tuned by Professor on LEP data)',
15 'PARJ(4)=0.032 ! FLAV (Tuned by Professor on LEP data)',
16 'PARJ(11)=0.31 ! FLAV (Tuned by Professor on LEP data)',
17 'PARJ(12)=0.4 ! FLAV (Tuned by Professor on LEP data)',
18 'PARJ(13)=0.54 ! FLAV (Tuned by Professor on LEP data)',
19 'PARJ(25)=0.63 ! FLAV (Tuned by Professor on LEP data)',
20 'PARJ(26)=0.12 ! FLAV (Tuned by Professor on LEP data)',
21 'MSTJ(11)=5 ! HAD Choice of the fragmentation function',
22 'PARJ(21)=0.313 ! HAD (Tuned by Professor on LEP data)',
23 'PARJ(41)=0.49 ! HAD (Tuned by Professor on LEP data)',
24 'PARJ(42)=1.2 ! HAD (Tuned by Professor on LEP data)',
25 'PARJ(46)=1.0 ! HAD (Tuned by Professor on LEP data)',
26 'PARJ(47)=1.0 ! HAD (Tuned by Professor on LEP data)',
28 'PARP(64)=0.14 ! ISR',
29 'PARP(67)=2.65 ! ISR',
30 'MSTP(81)=1 ! MPI 1 is old Pythia set of models',
31 'MSTP(82)=4 ! MPI model',
32 'PARP(82)=1.9 ! MPI pt cutoff for multiparton interactions',
33 'PARP(83)=0.83 ! MPI matter distrbn parameter',
34 'PARP(84)=0.6 ! MPI matter distribution parameter',
35 'PARP(85)=0.86 ! MPI gluon prod. mechanism',
36 'PARP(86)=0.93 ! MPI gluon prod. mechanism',
37 'PARP(89)=1800. ! MPI sqrts for which PARP82 is set',
38 'PARP(90)=0.22 ! MPI rescaling power',
40 'PARP(91)=2.1 ! BR kt distribution',
1.8.5
