import FWCore.ParameterSet.Config as cms from Configuration.Generator.Pythia8CommonSettings_cfi import * from Configuration.Generator.Pythia8CUEP8M1Settings_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, JetMatchingParameters = cms.vstring( 'JetMatching:setMad = off', 'JetMatching:scheme = 1', 'JetMatching:merge = on', 'JetMatching:jetAlgorithm = 2', 'JetMatching:etaJetMax = 5.', 'JetMatching:coneRadius = 1.', 'JetMatching:slowJetPower = 1', 'JetMatching:qCut = 59.', #this is the actual merging scale 'JetMatching:nQmatch = 5', #4 corresponds to 4-flavour scheme (no matching of b-quarks), 5 for 5-flavour scheme 'JetMatching:nJetMax = 2', #number of partons in born matrix element for highest multiplicity 'JetMatching:doShowerKt = off', #off for MLM matching, turn on for shower-kT matching ), parameterSets = cms.vstring('pythia8CommonSettings', 'pythia8CUEP8M1Settings', 'JetMatchingParameters' ) ) ) ProductionFilterSequence = cms.Sequence(generator)