Configuration/Generator/python/PythiaUEZ2Settings_cfi.py - master - githubmirror/cmssw

Configuration/Generator/python/PythiaUEZ2Settings_cfi.py

34 строки1 KB

Giulio Eulisse

Snapshot of CMSSW_6_2_0_pre8.

26 июн 2013, 18:12

26 июн 2013, 18:12214ab73

import FWCore.ParameterSet.Config as cms

pythiaUESettingsBlock = cms.PSet(
	pythiaUESettings = cms.vstring(
		'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)=1.832 ! pt cutoff for multiparton interactions', 
		'PARP(89)=1800. ! sqrts for which PARP82 is set', 
		'PARP(90)=0.275 ! 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', 
	)
)