pythia6Tunes_cff.py

Go to the documentation of this file.

 
 
 
pythia6noUESettings = (
    'MSTU(21)=1     ! Check on possible errors during program execution',
    'MSTJ(22)=2     ! Decay those unstable particles',
    'PARJ(71)=10 .  ! for which ctau  10 mm',
    'MSTP(33)=0     ! no K factors in hard cross sections',
    'MSTP(2)=1      ! which order running alphaS',
    'MSTP(81)=0     ! multiple parton interactions 1 is Pythia default'
)
 
pythia6CUEP6S1Settings = (
    # shamelessly stolen from
    # https://github.com/cms-sw/cmssw/blob/master/Configuration/Generator/python/Pythia6CUEP6S1Settings_cfi.py
    'MSTU(21)=1     ! Check on possible errors during program execution',
    'MSTJ(22)=2     ! Decay those unstable particles',
    'PARJ(71)=10 .  ! for which ctau  10 mm',
    'MSTP(33)=0     ! no K factors in hard cross sections',
    'MSTP(2)=1      ! which order running alphaS',
    'MSTP(51)=10042 ! structure function chosen (external PDF CTEQ6L1)',
    'MSTP(52)=2     ! work with LHAPDF',
    'PARP(82)=1.9096 ! pt cutoff for multiparton interactions',
    'PARP(89)=1800. ! sqrts for which PARP82 is set',
    'PARP(90)=0.2479! Multiple interactions: rescaling power',
    'MSTP(95)=6     ! CR (color reconnection parameters)',
    'PARP(77)=0.6646 ! CR',
    'PARP(78)=0.5454 ! CR',
    'PARP(80)=0.1   ! Prob. colored parton from BBR',
    'PARP(83)=0.8217 ! Multiple interactions: matter distribution parameter',
    'PARP(84)=0.651 ! Multiple interactions: matter distribution parameter',
    'PARP(62)=1.025 ! ISR cutoff',
    'MSTP(91)=1     ! Gaussian primordial kT',
    'PARP(93)=10.0  ! primordial kT-max',
    'MSTP(81)=21    ! multiple parton interactions 1 is Pythia default',
    'MSTP(82)=4     ! Defines the multi-parton model',
    'PARJ(1) =  0.08 ! HAD diquark suppression',
    'PARJ(2) = 0.21 ! HAD strangeness suppression',
    'PARJ(3) = 0.94 ! HAD strange diquark suppression',
    'PARJ(4) = 0.04 ! HAD vector diquark suppression',
    'PARJ(11) = 0.35 ! HAD P(vector meson), u and d only',
    'PARJ(12) = 0.35 ! HAD P(vector meson) contains ',
    'PARJ(13) = 0.54 ! HAD P(vector meson), heavy quarks',
    'PARJ(21) = 0.34 ! HAD fragmentation pt',
    'PARJ(25) = 0.63 ! HAD eta0 suppression',
    'PARJ(26) = 0.12 ! HAD eta0 suppression'
)
 
pythiaUEZ2starSettings = (
    # shamelessly stolen from
    # https://github.com/cms-sw/cmssw/blob/master/Configuration/Generator/python/PythiaUEZ2starSettings_cfi.py
    'MSTU(21)=1     ! Check on possible errors during program execution',
    'MSTJ(22)=2     ! Decay those unstable particles',
    'PARJ(71)=10 .  ! for which ctau  10 mm',
    'MSTP(33)=0     ! no K factors in hard cross sections',
    'MSTP(2)=1      ! which order running alphaS',
    'MSTP(51)=10042 ! structure function chosen (external PDF CTEQ6L1)',
    'MSTP(52)=2     ! work with LHAPDF',
    'PARP(82)=1.921 ! pt cutoff for multiparton interactions',
    'PARP(89)=1800. ! sqrts for which PARP82 is set',
    'PARP(90)=0.227 ! Multiple interactions: rescaling power',
    'MSTP(95)=6     ! CR (color reconnection parameters)',
    'PARP(77)=1.016 ! CR',
    'PARP(78)=0.538 ! CR',
    'PARP(80)=0.1   ! Prob. colored parton from BBR',
    'PARP(83)=0.356 ! Multiple interactions: matter distribution parameter',
    'PARP(84)=0.651 ! Multiple interactions: matter distribution parameter',
    'PARP(62)=1.025 ! ISR cutoff',
    'MSTP(91)=1     ! Gaussian primordial kT',
    'PARP(93)=10.0  ! primordial kT-max',
    'MSTP(81)=21    ! multiple parton interactions 1 is Pythia default',
    'MSTP(82)=4     ! Defines the multi-parton model'
)