import FWCore.ParameterSet.Config as cms from Configuration.Generator.Pythia8CommonSettings_cfi import * from Configuration.Generator.Pythia8CUEP8M1Settings_cfi import * from Configuration.Generator.Pythia8PowhegEmissionVetoSettings_cfi import * generator = cms.EDFilter("Pythia8HadronizerFilter", maxEventsToPrint = cms.untracked.int32(1), pythiaPylistVerbosity = cms.untracked.int32(1), filterEfficiency = cms.untracked.double(1.0), pythiaHepMCVerbosity = cms.untracked.bool(False), comEnergy = cms.double(13000.), PythiaParameters = cms.PSet( pythia8CommonSettingsBlock, pythia8CUEP8M1SettingsBlock, pythia8PowhegEmissionVetoSettingsBlock, processParameters = cms.vstring( 'POWHEG:nFinal = 2', ## Number of final state particles ## (BEFORE THE DECAYS) in the LHE ## other than emitted extra parton 'TimeShower:mMaxGamma = 1.0',#cutting off lepton-pair production ##in the electromagnetic shower ##to not overlap with ttZ/gamma* samples '6:m0 = 175.5', # top mass' ), parameterSets = cms.vstring('pythia8CommonSettings', 'pythia8CUEP8M1Settings', 'pythia8PowhegEmissionVetoSettings', 'processParameters' ) ) ) ProductionFilterSequence = cms.Sequence(generator)