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LHC-Matchbox-yyll.in
aidin (aidin masouminia)
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aidin
Jun 2 2023, 11:22 AM
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LHC-Matchbox-yyll.in
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# -*- ThePEG-repository -*-
##################################################
## Herwig/Matchbox example input file
##################################################
##################################################
## Collider type
##################################################
read snippets/Matchbox.in
read snippets/PPCollider.in
##################################################
## Beam energy sqrt(s)
##################################################
cd /Herwig/EventHandlers
set EventHandler:LuminosityFunction:Energy 13000*GeV
##################################################
## Process selection
##################################################
## Note that event generation may fail if no matching matrix element has
## been found. Coupling orders are with respect to the Born process,
## i.e. NLO QCD does not require an additional power of alphas.
## Model assumptions
read Matchbox/StandardModelLike.in
read Matchbox/DiagonalCKM.in
## Set the order of the couplings
cd /Herwig/MatrixElements/Matchbox
set Factory:OrderInAlphaS 0
set Factory:OrderInAlphaEW 2
do Factory:StartParticleGroup lp
insert Factory:ParticleGroup 0 /Herwig/Particles/e+
insert Factory:ParticleGroup 0 /Herwig/Particles/mu+
do Factory:EndParticleGroup
do Factory:StartParticleGroup lm
insert Factory:ParticleGroup 0 /Herwig/Particles/e-
insert Factory:ParticleGroup 0 /Herwig/Particles/mu-
do Factory:EndParticleGroup
## Select the process
## You may use identifiers such as p, pbar, j, l, mu+, h0 etc.
do Factory:Process gamma gamma -> lp lm
## Special settings required for on-shell production of unstable particles
## enable for on-shell top production
# read Matchbox/OnShellTopProduction.in
## enable for on-shell W, Z or h production
# read Matchbox/OnShellWProduction.in
# read Matchbox/OnShellZProduction.in
# read Matchbox/OnShellHProduction.in
# Special settings for the VBF approximation
# read Matchbox/VBFDiagramsOnly.in
##################################################
## Matrix element library selection
##################################################
## Select a generic tree/loop combination or a
## specialized NLO package
# read Matchbox/MadGraph-GoSam.in
read Matchbox/MadGraph-MadGraph.in
# read Matchbox/MadGraph-NJet.in
# read Matchbox/MadGraph-OpenLoops.in
# read Matchbox/HJets.in
# read Matchbox/VBFNLO.in
## Uncomment this to use ggh effective couplings
## currently only supported by MadGraph-GoSam
# read Matchbox/HiggsEffective.in
##################################################
## Cut selection
## See the documentation for more options
##################################################
cd /Herwig/Cuts/
set ChargedLeptonPairMassCut:MinMass 60*GeV
set ChargedLeptonPairMassCut:MaxMass 120*GeV
## cuts on additional jets
# read Matchbox/DefaultPPJets.in
# insert JetCuts:JetRegions 0 FirstJet
# insert JetCuts:JetRegions 1 SecondJet
# insert JetCuts:JetRegions 2 ThirdJet
# insert JetCuts:JetRegions 3 FourthJet
# conventional photon cuts
cd /Herwig/Cuts
insert Cuts:OneCuts[0] JetKtCut
insert Cuts:OneCuts[1] PhotonKtCut
insert Cuts:OneCuts[2] LeptonKtCut
insert Cuts:OneCuts[3] TopKtCut
insert Cuts:OneCuts[4] WBosonKtCut
insert Cuts:OneCuts[5] ZBosonKtCut
set JetKtCut:MinKT 10.
set LeptonKtCut:MinKT 0.
set WBosonKtCut:MinKT 0.
##################################################
## Scale choice
## See the documentation for more options
##################################################
cd /Herwig/MatrixElements/Matchbox
set Factory:ScaleChoice /Herwig/MatrixElements/Matchbox/Scales/LeptonPairMassScale
##################################################
## Matching and shower selection
## Please also see flavour scheme settings
## towards the end of the input file.
##################################################
# Note: NLO shower currently only works with coloured particles.
# read Matchbox/MCatNLO-DefaultShower.in
# read Matchbox/Powheg-DefaultShower.in
## use for strict LO/NLO comparisons
# read Matchbox/MCatLO-DefaultShower.in
## use for improved LO showering
read Matchbox/LO-DefaultShower.in
# read Matchbox/MCatNLO-DipoleShower.in
# read Matchbox/Powheg-DipoleShower.in
## use for strict LO/NLO comparisons
# read Matchbox/MCatLO-DipoleShower.in
## use for improved LO showering
# read Matchbox/LO-DipoleShower.in
# read Matchbox/NLO-NoShower.in
# read Matchbox/LO-NoShower.in
cd /Herwig/Shower
set ShowerHandler:Interactions ALL # options are QCD QED QEDQCD EWOnly ALL
##################################################
## Scale uncertainties
##################################################
# read Matchbox/MuDown.in
# read Matchbox/MuUp.in
##################################################
## Shower scale uncertainties
##################################################
# read Matchbox/MuQDown.in
# read Matchbox/MuQUp.in
##################################################
## PDF choice
##################################################
# read Matchbox/FiveFlavourScheme.in
## required for dipole shower and fixed order in five flavour scheme
# read Matchbox/FiveFlavourNoBMassScheme.in
cd /Herwig/Partons
set HardLOPDF:PDFName LUXlep-NNPDF31_nlo_as_0118_luxqed
set HardNLOPDF:PDFName LUXlep-NNPDF31_nlo_as_0118_luxqed
set ShowerLOPDF:PDFName LUXlep-NNPDF31_nlo_as_0118_luxqed
set ShowerNLOPDF:PDFName LUXlep-NNPDF31_nlo_as_0118_luxqed
set MPIPDF:PDFName LUXlep-NNPDF31_nlo_as_0118_luxqed
set RemnantPDF:PDFName LUXlep-NNPDF31_nlo_as_0118_luxqed
##################################################
## Analyses
##################################################
cd /Herwig/Analysis
insert Rivet:Analyses 0 RivetAnalysis_yy
insert /Herwig/Generators/EventGenerator:AnalysisHandlers 0 Rivet
##################################################
## Save the generator
##################################################
do /Herwig/MatrixElements/Matchbox/Factory:ProductionMode
cd /Herwig/Generators
saverun LHC-Matchbox-yyll EventGenerator

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