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LHC-MSSM.in
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# -*- ThePEG-repository -*-
##################################################
# Example generator for the MSSM
# The best way to use this is to make your own
# copy of this file and edit that as you require.
#
# The first section loads the model file which
# does not contain anything that users need to touch.
#
# The second section contains the user settings.
###################################################
read snippets/PPCollider.in
# Set emission to POWHEG for radiation in decays
set /Herwig/Shower/ShowerHandler:HardEmission POWHEG
read MSSM.model
cd /Herwig/NewPhysics
##################################################
#
# This section contains the user defined settings
#
##################################################
# --- Hard Process ----
# The particle name can be found in the relevant model file
# by searching for its PDG code and noting the text
# '/Herwig/Particles/###' where the hashes denote the name
# Switch to decide whether to include EW diagrams in the
# hard process (On by default)
set HPConstructor:IncludeEW No
# Example hard process: Incoming proton, outgoing squarks
insert HPConstructor:Incoming 0 /Herwig/Particles/g
insert HPConstructor:Incoming 1 /Herwig/Particles/u
insert HPConstructor:Incoming 2 /Herwig/Particles/ubar
insert HPConstructor:Incoming 3 /Herwig/Particles/d
insert HPConstructor:Incoming 4 /Herwig/Particles/dbar
insert HPConstructor:Outgoing 0 /Herwig/Particles/~u_L
insert HPConstructor:Outgoing 1 /Herwig/Particles/~u_Lbar
insert HPConstructor:Outgoing 2 /Herwig/Particles/~d_L
insert HPConstructor:Outgoing 3 /Herwig/Particles/~d_Lbar
# --- Perturbative Decays ---
# Read in the spectrum file and optional decay table.
# If a decay table is in a separate file
# then add another 'setup' line with that
# file as the argument. The provided
# spectrum file is an example using SPheno 2.2.3
setup MSSM/Model CMSSM40.1.1.slha
# To disable a particular decay mode, add it's tag to the DisableModes
# interface of the DecayConstructor object, i.e.
#insert DecayConstructor:DisableModes 0 ~u_L->~chi_20,u;
#insert DecayConstructor:DisableModes 1 ~chi_20->~e_R-,e+;
# etc ...
# To set a minimum allowed branching fraction (the default is shown)
#set NewModel:MinimumBR 1e-6
# Intrinsic pT tune extrapolated to LHC energy
set /Herwig/Shower/ShowerHandler:IntrinsicPtGaussian 2.2*GeV
##################################################
## prepare for Rivet analysis or HepMC output
## when running with parton shower
##################################################
#read snippets/Rivet.in
#insert Rivet:Analyses 0 XXX_2015_ABC123
#read snippets/HepMC.in
#set HepMC:PrintEvent NNN
##################################################
## prepare for Rivet analysis or HepMC output
## when running at fixed order (NO shower)
##################################################
#read snippets/RivetFixedOrder.in
#insert RivetFixedOrder:Analyses 0 XXX_2015_ABC123
#read snippets/HepMCFixedOrder.in
#set HepMCFixedOrder:PrintEvent NNN
# Other parameters for run
cd /Herwig/Generators
set EventGenerator:EventHandler:LuminosityFunction:Energy 13000.0
saverun LHC-MSSM EventGenerator

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