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File indexing completed on 2021-02-14 13:07:34

0001 import FWCore.ParameterSet.Config as cms
0002 
0003 process = cms.Process("TEST")
0004 process.load("FWCore.Framework.test.cmsExceptionsFatal_cff")
0005 process.load("SimGeneral.HepPDTESSource.pythiapdt_cfi")
0006 #process.load("SimGeneral.HepPDTESSource.pdt_cfi")
0007 process.load("GeneratorInterface.TauolaInterface.TauSpinner_cfi")
0008 
0009 process.RandomNumberGeneratorService = cms.Service("RandomNumberGeneratorService",
0010                                                    generator = cms.PSet(initialSeed = cms.untracked.uint32(123456789),
0011                                                                         engineName = cms.untracked.string('HepJamesRandom')
0012                                                                         ),
0013                                                    TauSpinnerGen  = cms.PSet(initialSeed = cms.untracked.uint32(123456789),
0014                                                                              engineName = cms.untracked.string('HepJamesRandom')
0015                                                                              )
0016                                                    )
0017 
0018 process.randomEngineStateProducer = cms.EDProducer("RandomEngineStateProducer")
0019 
0020 process.Timing=cms.Service("Timing",
0021                            summaryOnly=cms.untracked.bool(True))
0022 
0023 
0024 # The following three lines reduce the clutter of repeated printouts
0025 # of the same exception message.
0026 process.load("FWCore.MessageLogger.MessageLogger_cfi")
0027 
0028 
0029 
0030 
0031 process.maxEvents = cms.untracked.PSet(input = cms.untracked.int32(100))
0032 
0033 process.source = cms.Source("EmptySource")
0034 
0035 from Configuration.Generator.PythiaUESettings_cfi import *
0036 process.generator = cms.EDFilter("Pythia6GeneratorFilter",
0037                                  pythiaHepMCVerbosity = cms.untracked.bool(True),
0038                                  maxEventsToPrint = cms.untracked.int32(0),
0039                                  pythiaPylistVerbosity = cms.untracked.int32(1),
0040                                      # this shows how to turn ON some of the general Py6 printouts, like banner...
0041                                  ## --> displayPythiaBanner = cms.untracked.bool(True),
0042                                  ## --> displayPythiaCards = cms.untracked.bool(True),
0043                                  comEnergy = cms.double(7000.0),
0044                                  
0045                                  ExternalDecays = cms.PSet(
0046     Tauola = cms.untracked.PSet(
0047     # these settings below exemplfy how to use "native" Tauola approach:
0048     # one MUST set mdtau=1 !!! then pjak1 & pjak2 will translate into
0049     # native variables jak1 & jak2 (jak1/jak2=4 means that both tau's
0050     # decay into the rho-mode
0051     #
0052     UseTauolaPolarization = cms.bool(True),
0053     InputCards = cms.PSet
0054     (
0055     pjak1 = cms.int32(0),
0056     pjak2 = cms.int32(0),
0057     mdtau = cms.int32(0) # generic tau decays
0058     ## mdtau = cms.int32(240) # (any) tau -> nu pi+-
0059     )
0060     #           TauolaDefaultInputCards,
0061     #          TauolaPolar
0062     ),
0063     parameterSets = cms.vstring('Tauola')
0064     ),
0065                                  PythiaParameters = cms.PSet(
0066     pythiaUESettingsBlock,
0067     processParameters = cms.vstring('MSEL=0            !User defined processes',
0068                                     'MSUB(1)=1         !Incl Z0/gamma* production',
0069                                     'MSTP(43)=3        !Both Z0 and gamma*',
0070                                     'MDME(174,1)=0     !Z decay into d dbar',
0071                                     'MDME(175,1)=0     !Z decay into u ubar',
0072                                     'MDME(176,1)=0     !Z decay into s sbar',
0073                                     'MDME(177,1)=0     !Z decay into c cbar',
0074                                     'MDME(178,1)=0     !Z decay into b bbar',
0075                                     'MDME(179,1)=0     !Z decay into t tbar',
0076                                     'MDME(182,1)=0     !Z decay into e- e+',
0077                                     'MDME(183,1)=0     !Z decay into nu_e nu_ebar',
0078                                     'MDME(184,1)=0     !Z decay into mu- mu+',
0079                                     'MDME(185,1)=0     !Z decay into nu_mu nu_mubar',
0080                                     'MDME(186,1)=1     !Z decay into tau- tau+',
0081                                     'MDME(187,1)=0     !Z decay into nu_tau nu_taubar',
0082                                     'CKIN(1)=50.       !Minimum sqrt(s_hat) value (=Z mass)'),
0083     # This is a vector of ParameterSet names to be read, in this order
0084     parameterSets = cms.vstring('pythiaUESettings',
0085                                 'processParameters')
0086     )
0087                                  )
0088 
0089 # Produce PDF weights (maximum is 3)
0090 process.pdfWeights = cms.EDProducer("PdfWeightProducer",
0091                                     # Fix POWHEG if buggy (this PDF set will also appear on output,
0092                                     # so only two more PDF sets can be added in PdfSetNames if not "")
0093                                     #FixPOWHEG = cms.untracked.string("cteq66.LHgrid"),
0094                                     #GenTag = cms.untracked.InputTag("genParticles"),
0095                                     PdfInfoTag = cms.untracked.InputTag("VtxSmeared"),
0096                                     PdfSetNames = cms.untracked.vstring(
0097     #    "cteq66.LHgrid"
0098     #    , "MRST2006nnlo.LHgrid" ,
0099         "MSTW2008nnlo90cl.LHgrid"
0100         )
0101                                     )
0102 
0103 
0104 process.p1 = cms.Path( process.TauSpinnerGen )
0105 
0106 process.GEN = cms.OutputModule("PoolOutputModule",
0107                                fileName = cms.untracked.string('Test_Py6_Z2TauTau_Tauola.root')
0108                                )
0109 
0110 process.p = cms.Path(process.generator)
0111 
0112 process.outpath = cms.EndPath(process.GEN)
0113 process.p1 = cms.Path(process.randomEngineStateProducer*process.TauSpinnerGen)
0114 process.schedule = cms.Schedule(process.p, process.p1, process.outpath)
0115