CMS 3D CMS Logo

/data/refman/pasoursint/CMSSW_5_3_9_patch3/src/Configuration/Generator/python/PythiaUEX2Settings_cfi.py

Go to the documentation of this file.
00001 import FWCore.ParameterSet.Config as cms
00002 
00003 pythiaUESettingsBlock = cms.PSet(
00004     pythiaUESettings = cms.vstring(
00005         'MSTJ(11)=3     ! Choice of the fragmentation function', 
00006         'MSTJ(22)=2     ! Decay those unstable particles', 
00007         'PARJ(71)=10 .  ! for which ctau  10 mm', 
00008         'MSTP(2)=1      ! which order running alphaS', 
00009         'MSTP(33)=0     ! no K factors in hard cross sections', 
00010         'MSTP(51)=7     ! structure function chosen (internal PDF CTEQ5L)',
00011         'MSTP(52)=1     ! work with internal PDFs',
00012         'MSTP(81)=1     ! multiple parton interactions 1 is Pythia default', 
00013         'MSTP(82)=4     ! Defines the multi-parton model', 
00014         'MSTU(21)=1     ! Check on possible errors during program execution', 
00015         'PARP(82)=1.8   ! pt cutoff for multiparton interactions', 
00016         'PARP(89)=1800. ! sqrts for which PARP82 is set', 
00017         'PARP(83)=0.5   ! Multiple interactions: matter distrbn parameter', 
00018         'PARP(84)=0.4   ! Multiple interactions: matter distribution parameter', 
00019         'PARP(90)=0.25  ! Multiple interactions: rescaling power', 
00020         'PARP(67)=2.5   ! amount of initial-state radiation', 
00021         'PARP(85)=0.4   ! gluon prod. mechanism in MI', 
00022         'PARP(86)=1.0   ! gluon prod. mechanism in MI', 
00023         'PARP(62)=1.25  ! ', 
00024         'PARP(64)=0.2   ! ', 
00025         'MSTP(91)=1     !', 
00026         'PARP(91)=2.1   ! kt distribution', 
00027         'PARP(93)=15.0  ! '
00028     )
00029 )