MC15.410470.PhPy8EG_A14_ttbar_hdamp258p75_nonallhad.py 1.78 KB
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evgenConfig.description = 'POWHEG+Pythia8 ttbar production with Powheg hdamp equal 1.5*top mass, A14 tune, at least one lepton filter, ME NNPDF30 NLO, A14 NNPDF23 LO from DSID 410450 LHE files with Shower Weights added '
evgenConfig.keywords    = [ 'SM', 'top', 'ttbar', 'lepton']
evgenConfig.contact     = [ 'james.robinson@cern.ch','andrea.helen.knue@cern.ch','onofrio@liverpool.ac.uk','ian.connelly@cern.ch','mdshapiro@lbl.gov']
#--------------------------------------------------------------
# Pythia8 showering
#--------------------------------------------------------------
include('MC15JobOptions/Pythia8_A14_NNPDF23LO_EvtGen_Common.py')
include("MC15JobOptions/Pythia8_Powheg_Main31.py")

genSeq.Pythia8.Commands += [ 'Powheg:pTHard = 0' ]
genSeq.Pythia8.Commands += [ 'Powheg:NFinal = 2' ]
genSeq.Pythia8.Commands += [ 'Powheg:pTdef = 2' ]
genSeq.Pythia8.Commands += [ 'Powheg:veto = 1' ]
genSeq.Pythia8.Commands += [ 'Powheg:vetoCount = 3' ]
genSeq.Pythia8.Commands += [ 'Powheg:pTemt  = 0' ]
genSeq.Pythia8.Commands += [ 'Powheg:emitted = 0' ]
genSeq.Pythia8.Commands += [ 'Powheg:MPIveto = 0' ]

genSeq.Pythia8.Commands += [
                            'UncertaintyBands:doVariations = on', 
                            'UncertaintyBands:List = {\
                             isr:muRfac=0.549241,\
                             isr:muRfac==1.960832\
                             }'] 

genSeq.Pythia8.ShowerWeightNames = [ 
                             "isr:muRfac=Var3cUp",
                             "isr:muRfac=Var3cDown"
]


#--------------------------------------------------------------
# Event filter
#--------------------------------------------------------------
include('MC15JobOptions/TTbarWToLeptonFilter.py')
filtSeq.TTbarWToLeptonFilter.NumLeptons = -1
filtSeq.TTbarWToLeptonFilter.Ptcut = 0.