mc.PhPy8EG_A14NNPDF23_ttZ_example.py

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# Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
 
#--------------------------------------------------------------
# This is an example joboption to generate events with Powheg
# using ATLAS' interface. Users should optimise and carefully
# validate the settings before making an official sample request.
#--------------------------------------------------------------
 
#--------------------------------------------------------------
# EVGEN configuration
#--------------------------------------------------------------
evgenConfig.description = "POWHEG+Pythia8 top pair plus Z boson production with A14 NNPDF2.3 tune."
evgenConfig.keywords = ["SM", "top"]
evgenConfig.contact = ["tpelzer@cern.ch"]
 
# --------------------------------------------------------------
# Load ATLAS defaults for the Powheg ttZ process
# --------------------------------------------------------------
include("PowhegControl/PowhegControl_ttZ_Common.py")
 
# --------------------------------------------------------------
# Settings
# --------------------------------------------------------------
# define the decay mode
PowhegConfig.decay_mode = "t t~ z > all" # inclusive is the default
#PowhegConfig.decay_mode = "t t~ z > b j j b~ j j emu+ emu-"
#PowhegConfig.decay_mode = "t t~ z > b l+ vl b~ l- vl~ emu+ emu-"
#PowhegConfig.decay_mode = "t t~ z > b emu+ vemu b~ emu- vemu~ emu+ emu-"
#PowhegConfig.decay_mode = "t t~ z > semileptonic emu+ emu-"
#PowhegConfig.decay_mode = "t t~ z > undecayed"
 
 
# --------------------------------------------------------------
# Generate events
# --------------------------------------------------------------
PowhegConfig.generate()
 
#--------------------------------------------------------------
# Pythia8 showering with the A14 NNPDF2.3 tune, main31 routine
#--------------------------------------------------------------
include("Pythia8_i/Pythia8_A14_NNPDF23LO_EvtGen_Common.py")
include("Pythia8_i/Pythia8_Powheg_Main31.py")