3 source = cms.Source(
"EmptySource")
5 generator = cms.EDFilter(
"Pythia6GeneratorFilter",
6 comEnergy = cms.double(14000.),
7 pythiaVerbosity = cms.untracked.bool(
False),
8 PythiaParameters = cms.PSet(
9 pythiaZtt = cms.vstring(
'MSEL = 11 ',
10 'MDME( 174,1) = 0 !Z decay into d dbar',
11 'MDME( 175,1) = 0 !Z decay into u ubar',
12 'MDME( 176,1) = 0 !Z decay into s sbar',
13 'MDME( 177,1) = 0 !Z decay into c cbar',
14 'MDME( 178,1) = 0 !Z decay into b bbar',
15 'MDME( 179,1) = 0 !Z decay into t tbar',
16 'MDME( 182,1) = 0 !Z decay into e- e+',
17 'MDME( 183,1) = 0 !Z decay into nu_e nu_ebar',
18 'MDME( 184,1) = 0 !Z decay into mu- mu+',
19 'MDME( 185,1) = 0 !Z decay into nu_mu nu_mubar',
20 'MDME( 186,1) = 1 !Z decay into tau- tau+',
21 'MDME( 187,1) = 0 !Z decay into nu_tau nu_taubar',
22 'MSTJ( 11) = 3 !Choice of the fragmentation function',
23 'MSTP( 2) = 1 !which order running alphaS',
24 'MSTP( 33) = 0 !(D=0) ',
25 'MSTP( 51) = 7 !structure function chosen',
26 'MSTP( 81) = 1 !multiple parton interactions 1 is Pythia default',
27 'MSTP( 82) = 4 !Defines the multi-parton model',
28 'PARJ( 71) = 10. !for which ctau 10 mm',
29 'PARP( 82) = 1.9 !pt cutoff for multiparton interactions',
30 'PARP( 89) = 1000. !sqrts for which PARP82 is set',
31 'PARP( 83) = 0.5 !Multiple interactions: matter distrbn parameter',
32 'PARP( 84) = 0.4 !Multiple interactions: matter distribution parameter',
33 'PARP( 90) = 0.16 !Multiple interactions: rescaling power',
34 'CKIN( 1) = 40. !(D=2. GeV)',
35 'CKIN( 2) = -1. !(D=-1. GeV)',
36 'MDME(89,1)=0 ! no tau->electron',
37 'MDME(90,1)=0 ! no tau->muon'),
38 parameterSets = cms.vstring(
'pythiaZtt')
42 ProductionFilterSequence = cms.Sequence(generator)
1.8.5
