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import FWCore.ParameterSet.Config as cms
from Configuration.Generator.Pythia8CommonSettings_cfi import *
from Configuration.Generator.MCTunes2017.PythiaCP5Settings_cfi import *
from GeneratorInterface.EvtGenInterface.EvtGenSetting_cff import *

generator = cms.EDFilter("Pythia8ConcurrentGeneratorFilter",
  maxEventsToPrint = cms.untracked.int32(1),
  pythiaPylistVerbosity = cms.untracked.int32(1),
  filterEfficiency = cms.untracked.double(0.4045),
  pythiaHepMCVerbosity = cms.untracked.bool(False),
  comEnergy = cms.double(14000.),
  PythiaParameters = cms.PSet(
    pythia8CommonSettingsBlock,
    pythia8CP5SettingsBlock,
    processParameters = cms.vstring(
      'Higgs:useBSM = on',
      'HiggsBSM:gg2H2 = on',
      'HiggsH2:coup2d = 10.0',
      'HiggsH2:coup2u = 10.0',
      'HiggsH2:coup2Z = 0.0',
      'HiggsH2:coup2W = 0.0',
      'HiggsA3:coup2H2Z = 0.0',
      'HiggsH2:coup2A3A3 = 0.0',
      'HiggsH2:coup2H1H1 = 0.0',
      '443:onMode = off',
      '443:onIfMatch 13 -13',
      ############# Fix to mass of etaB (9.4 GeV) #############
      '35:mMin = 0',
      '35:mMax = 50.0',
      '35:m0 = 9.4',
      '35:mWidth = 0.00',
      '35:addChannel 1 1.00 100 443 443',
      '35:onMode = off',
      '35:onIfMatch 443 443' #Jpsi Jpsi decay
    ),
      # This is a vector of ParameterSet names to be read, in this order
    parameterSets = cms.vstring(
      'pythia8CommonSettings',
      'pythia8CP5Settings',
      'processParameters'
    )
  )
)

generator.PythiaParameters.processParameters.extend(EvtGenExtraParticles)

etafilter = cms.EDFilter("PythiaFilter",
  MaxEta = cms.untracked.double(9999.0),
  MinEta = cms.untracked.double(-9999.0),
  ParticleID = cms.untracked.int32(35)
)

etatojpsipairfilter = cms.EDFilter("PythiaDauVFilter",
  MotherID = cms.untracked.int32(0),
  verbose = cms.untracked.int32(0),
  ParticleID = cms.untracked.int32(35),
  MaxEta = cms.untracked.vdouble(2.6, 2.6),
  MinEta = cms.untracked.vdouble(-2.6, -2.6),
  DaughterIDs = cms.untracked.vint32(443, 443),
  MinPt = cms.untracked.vdouble(0., 0.),
  NumberDaughters = cms.untracked.int32(2)
)

jpsifilter = cms.EDFilter("PythiaDauVFilter",
  MotherID = cms.untracked.int32(35),
  verbose = cms.untracked.int32(0),
  ParticleID = cms.untracked.int32(443),
  MaxEta = cms.untracked.vdouble(2.5, 2.5),
  MinEta = cms.untracked.vdouble(-2.5, -2.5),
  DaughterIDs = cms.untracked.vint32(13, -13),
  MinPt = cms.untracked.vdouble(1.8, 1.8),
  NumberDaughters = cms.untracked.int32(2)
)

ProductionFilterSequence = cms.Sequence(generator*etafilter*etatojpsipairfilter*jpsifilter)