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DM.in
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# -*- ThePEG-repository -*-
##################################################
# Read the model parameters
##################################################
read DM.model
##################################################
# Set the beams
##################################################
read snippets/EECollider.in
cd /Herwig/EventHandlers
set EventHandler:BeamA /Herwig/Particles/chi
set EventHandler:BeamB /Herwig/Particles/chi
set /Herwig/Particles/chi:PDF /Herwig/Partons/NoPDF
##################################################
# Set long-lived hadrons/muon to be unstable
##################################################
set /Herwig/Particles/pi0:Stable Unstable
set /Herwig/Particles/pi+:Stable Unstable
set /Herwig/Particles/mu-:Stable Unstable
set /Herwig/Particles/n0:Stable Unstable
set /Herwig/Particles/K_L0:Stable Unstable
set /Herwig/Particles/K+:Stable Unstable
##################################################
# Selected the hard processes
##################################################
cd /Herwig/MatrixElements
# using currents
insert SubProcess:MatrixElements 0 MEDM2Kaons
insert SubProcess:MatrixElements 0 MEDM2Pions
insert SubProcess:MatrixElements 0 MEDM2Kaons
insert SubProcess:MatrixElements 0 MEDM3Pions
insert SubProcess:MatrixElements 0 MEDM4Pions
insert SubProcess:MatrixElements 0 MEDM2EtaPiPi
insert SubProcess:MatrixElements 0 MEDM2EtaPrimePiPi
insert SubProcess:MatrixElements 0 MEDM2OmegaPiPi
insert SubProcess:MatrixElements 0 MEDM2OmegaPi
insert SubProcess:MatrixElements 0 MEDM2PiGamma
insert SubProcess:MatrixElements 0 MEDM2EtaPhoton
insert SubProcess:MatrixElements 0 MEDM2EtaPhi
insert SubProcess:MatrixElements 0 MEDM2EtaOmega
insert SubProcess:MatrixElements 0 MEDM2ppbar
insert SubProcess:MatrixElements 0 MEDM2KKPi
insert SubProcess:MatrixElements 0 MEDM2PhiPi
# using standard matrix elements and hadronization
# cd /Herwig/NewPhysics
# insert HPConstructor:Incoming 0 /Herwig/Particles/chi
# insert HPConstructor:Incoming 1 /Herwig/Particles/chi
# insert HPConstructor:Outgoing 0 /Herwig/Particles/u
# insert HPConstructor:Outgoing 1 /Herwig/Particles/d
# insert HPConstructor:Outgoing 2 /Herwig/Particles/s
##################################################
# LEP physics parameters (override defaults)
##################################################
cd /Herwig/Generators
# must be slightly greater than 2 x DM mass
set EventGenerator:EventHandler:LuminosityFunction:Energy 2.0001
# mass of the DM particle
set /Herwig/Particles/chi:NominalMass 1.0
# mass of the mediator
set /Herwig/Particles/Zp:NominalMass 2.0
# mediator couplings
# DM
set /Herwig/NewPhysics/DM/Model:cDMmed 1.
# quark-anti-quark
set /Herwig/NewPhysics/DM/Model:cSMmed 0 1.0
set /Herwig/NewPhysics/DM/Model:cSMmed 1 1.0
set /Herwig/NewPhysics/DM/Model:cSMmed 2 1.0
# cut-off for partonic mediator decays
set /Herwig/NewPhysics/VectorDecayConstructor:MassCut 2.
# limit for isr
set /Herwig/Generators/EventGenerator:EventHandler:Cuts:MHatMin 0.2
cd /Herwig/Generators
##################################################
## prepare for Rivet analysis or HepMC output
## when running with parton shower
##################################################
# create ThePEG::RivetAnalysis /Herwig/Analysis/Rivet RivetAnalysis.so
# insert EventGenerator:AnalysisHandlers 0 /Herwig/Analysis/Rivet
# insert /Herwig/Analysis/Rivet:Analyses 0 ANALYSIS
###################################################
# Save run for later usage with 'Herwig run'
##################################################
set EventGenerator:MaxErrors 10000
set EventGenerator:EventHandler:StatLevel Full
set EventGenerator:EventHandler:CascadeHandler NULL
saverun DM EventGenerator

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DM.in (3 KB)

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