import FWCore.ParameterSet.Config as cms

externalLHEProducer = cms.EDProducer("ExternalLHEProducer",                                     
    args = cms.vstring('/cvmfs/cms.cern.ch/phys_generator/gridpacks/UL/13TeV/powheg/V2/HZJ_slc7_amd64_gcc700_CMSSW_10_6_27_ZH_HToBB_ZToLL_M125_13TeV_powheg/v1/HZJ_slc7_amd64_gcc700_CMSSW_10_6_27_ZH_HToBB_ZToLL_M125_13TeV_powheg.tgz'),
    generateConcurrently = cms.untracked.bool(True),
    nEvents = cms.untracked.uint32(5000),
    numberOfParameters = cms.uint32(1),
    outputFile = cms.string('cmsgrid_final.lhe'),
    scriptName = cms.FileInPath('GeneratorInterface/LHEInterface/data/run_generic_tarball_cvmfs.sh')
)

import FWCore.ParameterSet.Config as cms
from Configuration.Generator.Pythia8CommonSettings_cfi import *
from Configuration.Generator.MCTunes2017.PythiaCP5Settings_cfi import *
from Configuration.Generator.Pythia8PowhegEmissionVetoSettings_cfi import *
from Configuration.Generator.PSweightsPythia.PythiaPSweightsSettings_cfi import *

generator = cms.EDFilter("Pythia8ConcurrentHadronizerFilter",
    PythiaParameters = cms.PSet(
        pythia8CommonSettingsBlock,
        pythia8CP5SettingsBlock,
        pythia8PSweightsSettingsBlock,
        pythia8PowhegEmissionVetoSettingsBlock,
        processParameters = cms.vstring(
             'POWHEG:nFinal = 3', 
             '25:m0 = 125.0', 
             '25:onMode = off',  ## to switch off all the decay channels (see sec 8.1) 
             '25:addChannel = 1  1.00   103   22   313', ##K0*(892) is 313
             '313:onMode = off', 
             '313:onIfMatch = 321 -211',
             '313:onIfMatch = -321 211',
        ),
        parameterSets = cms.vstring(
            'pythia8CommonSettings', 
            'pythia8CP5Settings', 
            'pythia8PSweightsSettings', 
            'pythia8PowhegEmissionVetoSettings', 
            'processParameters'
        ),
    ),
    comEnergy = cms.double(13000.0),
    filterEfficiency = cms.untracked.double(1.0),
    maxEventsToPrint = cms.untracked.int32(1),
    pythiaHepMCVerbosity = cms.untracked.bool(False),
    pythiaPylistVerbosity = cms.untracked.int32(1)
)