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PythiaUEZ2Settings_cfi.py
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2 
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(33)=0 ! no K factors in hard cross sections',
9  'MSTP(2)=1 ! which order running alphaS',
10  'MSTP(51)=10042 ! structure function chosen (external PDF CTEQ6L1)',
11  'MSTP(52)=2 ! work with LHAPDF',
12 
13  'PARP(82)=1.832 ! pt cutoff for multiparton interactions',
14  'PARP(89)=1800. ! sqrts for which PARP82 is set',
15  'PARP(90)=0.275 ! Multiple interactions: rescaling power',
16 
17  'MSTP(95)=6 ! CR (color reconnection parameters)',
18  'PARP(77)=1.016 ! CR',
19  'PARP(78)=0.538 ! CR',
20 
21  'PARP(80)=0.1 ! Prob. colored parton from BBR',
22 
23  'PARP(83)=0.356 ! Multiple interactions: matter distribution parameter',
24  'PARP(84)=0.651 ! Multiple interactions: matter distribution parameter',
25 
26  'PARP(62)=1.025 ! ISR cutoff',
27 
28  'MSTP(91)=1 ! Gaussian primordial kT',
29  'PARP(93)=10.0 ! primordial kT-max',
30 
31  'MSTP(81)=21 ! multiple parton interactions 1 is Pythia default',
32  'MSTP(82)=4 ! Defines the multi-parton model',
33  )
34 )