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diff --git a/src/defaults/Matchbox.in b/src/defaults/Matchbox.in
--- a/src/defaults/Matchbox.in
+++ b/src/defaults/Matchbox.in
@@ -1,461 +1,469 @@
################################################################################
# Input file to setup Matchbox NLO matrix elements
################################################################################
################################################################################
#
# /!\ Nothing to be done below here, except you exactly know
# what you're doing.
#
# Really.
#
################################################################################
# .....
# ....
# ...
# ..
# .
#
################################################################################
# Load libraries
################################################################################
library HwExsample2.so
library HwMatchbox.so
library JetCuts.so
library FastJetFinder.so
mkdir /Herwig/MatrixElements/Matchbox
cd /Herwig/MatrixElements/Matchbox
################################################################################
# For the moment, we can only deal with massless partons
################################################################################
set /Herwig/Particles/d:NominalMass 0*GeV
set /Herwig/Particles/dbar:NominalMass 0*GeV
set /Herwig/Particles/u:NominalMass 0*GeV
set /Herwig/Particles/ubar:NominalMass 0*GeV
set /Herwig/Particles/s:NominalMass 0*GeV
set /Herwig/Particles/sbar:NominalMass 0*GeV
set /Herwig/Particles/c:NominalMass 0*GeV
set /Herwig/Particles/cbar:NominalMass 0*GeV
set /Herwig/Particles/b:NominalMass 0*GeV
set /Herwig/Particles/bbar:NominalMass 0*GeV
################################################################################
# Cleanup some Herwig++ defaults
################################################################################
set /Herwig/Cuts/JetKtCut:MinKT 0.0*GeV
set /Herwig/Cuts/QCDCuts:MHatMin 0.0*GeV
set /Herwig/Cuts/NeutralCurrentCut:MinW2 0.0*GeV2
set /Herwig/Cuts/DISCuts:MHatMin 0.0*GeV
set /Herwig/Generators/LEPGenerator:EventHandler:CollisionCuts Off
set /Herwig/Generators/DISGenerator:EventHandler:CollisionCuts Off
set /Herwig/Generators/LHCGenerator:EventHandler:CollisionCuts Off
################################################################################
# Integration/sampling
################################################################################
mkdir /Herwig/Samplers
cd /Herwig/Samplers
create Herwig::ExSampler ExBinSampler
create Herwig::GeneralSampler ExSampler
set ExBinSampler:presampling_points 10000
set ExSampler:BinSampler ExBinSampler
set ExSampler:Verbose On
create Herwig::BinSampler FlatBinSampler
set FlatBinSampler:InitialPoints 10000
create Herwig::ProjectingSampler ProjectingBinSampler
set ProjectingBinSampler:InitialPoints 1250
set ProjectingBinSampler:NIterations 4
set ProjectingBinSampler:EnhancementFactor 4.0
set ProjectingBinSampler:NBins 8
create Herwig::GeneralSampler Sampler
set Sampler:BinSampler ExBinSampler
set Sampler:UpdateAfter 1000
set /Herwig/EventHandlers/LEPHandler:Sampler Sampler
set /Herwig/EventHandlers/DISHandler:Sampler Sampler
set /Herwig/EventHandlers/LHCHandler:Sampler Sampler
################################################################################
# Setup the factory object
################################################################################
cd /Herwig/MatrixElements/Matchbox
create Herwig::MatchboxFactory Factory
set Factory:OrderInAlphaEW 2
set Factory:OrderInAlphaS 0
do Factory:StartParticleGroup p
insert Factory:ParticleGroup 0 /Herwig/Particles/b
insert Factory:ParticleGroup 0 /Herwig/Particles/bbar
insert Factory:ParticleGroup 0 /Herwig/Particles/c
insert Factory:ParticleGroup 0 /Herwig/Particles/cbar
insert Factory:ParticleGroup 0 /Herwig/Particles/s
insert Factory:ParticleGroup 0 /Herwig/Particles/sbar
insert Factory:ParticleGroup 0 /Herwig/Particles/d
insert Factory:ParticleGroup 0 /Herwig/Particles/dbar
insert Factory:ParticleGroup 0 /Herwig/Particles/u
insert Factory:ParticleGroup 0 /Herwig/Particles/ubar
insert Factory:ParticleGroup 0 /Herwig/Particles/g
do Factory:EndParticleGroup
do Factory:StartParticleGroup j
insert Factory:ParticleGroup 0 /Herwig/Particles/b
insert Factory:ParticleGroup 0 /Herwig/Particles/bbar
insert Factory:ParticleGroup 0 /Herwig/Particles/c
insert Factory:ParticleGroup 0 /Herwig/Particles/cbar
insert Factory:ParticleGroup 0 /Herwig/Particles/s
insert Factory:ParticleGroup 0 /Herwig/Particles/sbar
insert Factory:ParticleGroup 0 /Herwig/Particles/d
insert Factory:ParticleGroup 0 /Herwig/Particles/dbar
insert Factory:ParticleGroup 0 /Herwig/Particles/u
insert Factory:ParticleGroup 0 /Herwig/Particles/ubar
insert Factory:ParticleGroup 0 /Herwig/Particles/g
do Factory:EndParticleGroup
do Factory:StartParticleGroup u
insert Factory:ParticleGroup 0 /Herwig/Particles/u
do Factory:EndParticleGroup
do Factory:StartParticleGroup ubar
insert Factory:ParticleGroup 0 /Herwig/Particles/ubar
do Factory:EndParticleGroup
do Factory:StartParticleGroup d
insert Factory:ParticleGroup 0 /Herwig/Particles/d
do Factory:EndParticleGroup
do Factory:StartParticleGroup dbar
insert Factory:ParticleGroup 0 /Herwig/Particles/dbar
do Factory:EndParticleGroup
do Factory:StartParticleGroup s
insert Factory:ParticleGroup 0 /Herwig/Particles/s
do Factory:EndParticleGroup
do Factory:StartParticleGroup sbar
insert Factory:ParticleGroup 0 /Herwig/Particles/sbar
do Factory:EndParticleGroup
do Factory:StartParticleGroup c
insert Factory:ParticleGroup 0 /Herwig/Particles/c
do Factory:EndParticleGroup
do Factory:StartParticleGroup cbar
insert Factory:ParticleGroup 0 /Herwig/Particles/cbar
do Factory:EndParticleGroup
do Factory:StartParticleGroup b
insert Factory:ParticleGroup 0 /Herwig/Particles/b
do Factory:EndParticleGroup
do Factory:StartParticleGroup bbar
insert Factory:ParticleGroup 0 /Herwig/Particles/bbar
do Factory:EndParticleGroup
do Factory:StartParticleGroup g
insert Factory:ParticleGroup 0 /Herwig/Particles/g
do Factory:EndParticleGroup
do Factory:StartParticleGroup h0
insert Factory:ParticleGroup 0 /Herwig/Particles/h0
do Factory:EndParticleGroup
do Factory:StartParticleGroup e+
insert Factory:ParticleGroup 0 /Herwig/Particles/e+
do Factory:EndParticleGroup
do Factory:StartParticleGroup e-
insert Factory:ParticleGroup 0 /Herwig/Particles/e-
do Factory:EndParticleGroup
do Factory:StartParticleGroup l
insert Factory:ParticleGroup 0 /Herwig/Particles/e+
insert Factory:ParticleGroup 0 /Herwig/Particles/mu+
insert Factory:ParticleGroup 0 /Herwig/Particles/e-
insert Factory:ParticleGroup 0 /Herwig/Particles/mu-
do Factory:EndParticleGroup
do Factory:StartParticleGroup nu
insert Factory:ParticleGroup 0 /Herwig/Particles/nu_e
insert Factory:ParticleGroup 0 /Herwig/Particles/nu_mu
insert Factory:ParticleGroup 0 /Herwig/Particles/nu_ebar
insert Factory:ParticleGroup 0 /Herwig/Particles/nu_mubar
do Factory:EndParticleGroup
do Factory:StartParticleGroup l+
insert Factory:ParticleGroup 0 /Herwig/Particles/e+
insert Factory:ParticleGroup 0 /Herwig/Particles/mu+
do Factory:EndParticleGroup
do Factory:StartParticleGroup l-
insert Factory:ParticleGroup 0 /Herwig/Particles/e-
insert Factory:ParticleGroup 0 /Herwig/Particles/mu-
do Factory:EndParticleGroup
################################################################################
# Setup amplitudes
################################################################################
cd /Herwig/MatrixElements/Matchbox
mkdir Amplitudes
cd Amplitudes
create Herwig::SimpleColourBasis SimpleColourBasis
create Herwig::SimpleColourBasis LargeNColourBasis
set LargeNColourBasis:LargeN On
create Herwig::MatchboxAmplitudellbarqqbar Amplitudellbarqqbar
set Amplitudellbarqqbar:ColourBasis SimpleColourBasis
create Herwig::MatchboxAmplitudellbarqqbarg Amplitudellbarqqbarg
set Amplitudellbarqqbarg:ColourBasis SimpleColourBasis
create Herwig::MatchboxAmplitudellbarqqbargg Amplitudellbarqqbargg
set Amplitudellbarqqbargg:ColourBasis SimpleColourBasis
create Herwig::MatchboxAmplitudellbarqqbarqqbar Amplitudellbarqqbarqqbar
set Amplitudellbarqqbarqqbar:ColourBasis SimpleColourBasis
create Herwig::MatchboxAmplitudelnuqqbar Amplitudelnuqqbar
set Amplitudelnuqqbar:ColourBasis SimpleColourBasis
create Herwig::MatchboxAmplitudelnuqqbarg Amplitudelnuqqbarg
set Amplitudelnuqqbarg:ColourBasis SimpleColourBasis
create Herwig::MatchboxAmplitudelnuqqbargg Amplitudelnuqqbargg
set Amplitudelnuqqbargg:ColourBasis SimpleColourBasis
create Herwig::MatchboxAmplitudelnuqqbarqqbar Amplitudelnuqqbarqqbar
set Amplitudelnuqqbarqqbar:ColourBasis SimpleColourBasis
create Herwig::MatchboxAmplitudehgg Amplitudehgg
set Amplitudehgg:ColourBasis SimpleColourBasis
create Herwig::MatchboxAmplitudehggg Amplitudehggg
set Amplitudehggg:ColourBasis SimpleColourBasis
create Herwig::MatchboxAmplitudehqqbarg Amplitudehqqbarg
set Amplitudehqqbarg:ColourBasis SimpleColourBasis
insert /Herwig/MatrixElements/Matchbox/Factory:Amplitudes 0 Amplitudellbarqqbar
insert /Herwig/MatrixElements/Matchbox/Factory:Amplitudes 0 Amplitudellbarqqbarg
insert /Herwig/MatrixElements/Matchbox/Factory:Amplitudes 0 Amplitudellbarqqbargg
insert /Herwig/MatrixElements/Matchbox/Factory:Amplitudes 0 Amplitudellbarqqbarqqbar
insert /Herwig/MatrixElements/Matchbox/Factory:Amplitudes 0 Amplitudelnuqqbar
insert /Herwig/MatrixElements/Matchbox/Factory:Amplitudes 0 Amplitudelnuqqbarg
insert /Herwig/MatrixElements/Matchbox/Factory:Amplitudes 0 Amplitudelnuqqbargg
insert /Herwig/MatrixElements/Matchbox/Factory:Amplitudes 0 Amplitudelnuqqbarqqbar
insert /Herwig/MatrixElements/Matchbox/Factory:Amplitudes 0 Amplitudehgg
insert /Herwig/MatrixElements/Matchbox/Factory:Amplitudes 0 Amplitudehggg
insert /Herwig/MatrixElements/Matchbox/Factory:Amplitudes 0 Amplitudehqqbarg
################################################################################
# Setup utilities for matching
################################################################################
cd /Herwig/MatrixElements/Matchbox
create Herwig::MEMatching MEMatching
set MEMatching:RestrictPhasespace Off
set MEMatching:BornScaleInSubtraction RealScale
set MEMatching:RealEmissionScaleInSubtraction RealScale
set MEMatching:EmissionScaleInSubtraction RealScale
set MEMatching:BornScaleInSplitting ShowerScale
set MEMatching:RealEmissionScaleInSplitting ShowerScale
set MEMatching:EmissionScaleInSplitting ShowerScale
set MEMatching:FFPtCut 1.0*GeV
set MEMatching:FIPtCut 1.0*GeV
set MEMatching:IIPtCut 1.0*GeV
create Herwig::ShowerApproximationGenerator MECorrectionHandler
set MECorrectionHandler:ShowerApproximation MEMatching
create Herwig::FlatInvertiblePhasespace InvertiblePhasespace
set MECorrectionHandler:Phasespace InvertiblePhasespace
create Herwig::DipoleMatching DipoleMatching
set DipoleMatching:LargeNBasis /Herwig/MatrixElements/Matchbox/Amplitudes/LargeNColourBasis
set DipoleMatching:RestrictPhasespace On
set DipoleMatching:BornScaleInSubtraction BornScale
set DipoleMatching:RealEmissionScaleInSubtraction BornScale
set DipoleMatching:EmissionScaleInSubtraction BornScale
set DipoleMatching:FFPtCut 1.0*GeV
set DipoleMatching:FIPtCut 1.0*GeV
set DipoleMatching:IIPtCut 1.0*GeV
################################################################################
# Setup utilities for process generation
################################################################################
cd /Herwig/MatrixElements/Matchbox
mkdir Utility
cd Utility
create Herwig::Tree2toNGenerator DiagramGenerator
insert DiagramGenerator:Vertices 0 /Herwig/Vertices/FFGVertex
insert DiagramGenerator:Vertices 0 /Herwig/Vertices/FFPVertex
insert DiagramGenerator:Vertices 0 /Herwig/Vertices/FFZVertex
insert DiagramGenerator:Vertices 0 /Herwig/Vertices/GGGVertex
create Herwig::ProcessData ProcessData
set /Herwig/MatrixElements/Matchbox/Factory:DiagramGenerator DiagramGenerator
set /Herwig/MatrixElements/Matchbox/Factory:ProcessData ProcessData
################################################################################
# Setup phasespace generators
################################################################################
cd /Herwig/MatrixElements/Matchbox
mkdir Phasespace
cd Phasespace
create Herwig::MatchboxRambo Rambo
create Herwig::FlatInvertiblePhasespace DetPhasespace
create Herwig::TreePhasespaceChannels TreePhasespaceChannels
create Herwig::TreePhasespace TreePhasespace
set TreePhasespace:ChannelMap TreePhasespaceChannels
set TreePhasespace:M0 0.0001*GeV
set TreePhasespace:MC 0.0000001*GeV
set /Herwig/MatrixElements/Matchbox/Factory:Phasespace TreePhasespace
################################################################################
# Setup cuts
################################################################################
cd /Herwig/Cuts
create ThePEG::FastJetFinder JetFinder
set JetFinder:UnresolvedMatcher /Herwig/Matchers/StandardQCDParton
set JetFinder:Variant AntiKt
set JetFinder:RecombinationScheme E
set JetFinder:Mode Inclusive
set JetFinder:ConeRadius 0.7
create ThePEG::JetRegion FirstJet
set FirstJet:PtMin 20.*GeV
do FirstJet:YRange -5.0 5.0
set FirstJet:Fuzzy Yes
set FirstJet:EnergyCutWidth 4.0*GeV
set FirstJet:RapidityCutWidth 0.4
insert FirstJet:Accepts[0] 1
create ThePEG::JetRegion SecondJet
set SecondJet:PtMin 20.*GeV
do SecondJet:YRange -5.0 5.0
set SecondJet:Fuzzy Yes
-set FirstJet:EnergyCutWidth 4.0*GeV
-set FirstJet:RapidityCutWidth 0.4
+set SecondJet:EnergyCutWidth 4.0*GeV
+set SecondJet:RapidityCutWidth 0.4
insert SecondJet:Accepts[0] 2
create ThePEG::JetRegion ThirdJet
set ThirdJet:PtMin 20.*GeV
do ThirdJet:YRange -5.0 5.0
set ThirdJet:Fuzzy Yes
-set FirstJet:EnergyCutWidth 4.0*GeV
-set FirstJet:RapidityCutWidth 0.4
+set ThirdJet:EnergyCutWidth 4.0*GeV
+set ThirdJet:RapidityCutWidth 0.4
insert ThirdJet:Accepts[0] 3
+create ThePEG::JetRegion FourthJet
+set FourthJet:PtMin 20.*GeV
+do FourthJet:YRange -5.0 5.0
+set FourthJet:Fuzzy Yes
+set FourthJet:EnergyCutWidth 4.0*GeV
+set FourthJet:RapidityCutWidth 0.4
+insert FourthJet:Accepts[0] 3
+
create ThePEG::NJetsCut NJetsCut
set NJetsCut:UnresolvedMatcher /Herwig/Matchers/StandardQCDParton
set NJetsCut:NJetsMin 2
create ThePEG::JetCuts JetCuts
set JetCuts:UnresolvedMatcher /Herwig/Matchers/StandardQCDParton
set JetCuts:Ordering OrderPt
################################################################################
# Setup scale choices
################################################################################
cd /Herwig/MatrixElements/Matchbox
mkdir Scales
cd Scales
create Herwig::MatchboxScaleChoice SHatScale
cp SHatScale FixedScale
set FixedScale:FixedScale 100.*GeV
create Herwig::MatchboxPtScale MaxPtScale
set MaxPtScale:JetFinder /Herwig/Cuts/JetFinder
create Herwig::MatchboxLeptonMassScale LeptonMassScale
create Herwig::MatchboxLeptonPtScale LeptonPtScale
set /Herwig/MatrixElements/Matchbox/Factory:ScaleChoice LeptonMassScale
################################################################################
# AlphaS
################################################################################
cd /Herwig/MatrixElements/Matchbox
mkdir AlphaS
cd AlphaS
library HwDipoleShowerAlphaS.so
create matchbox::lo_alpha_s LOAlphaS
set LOAlphaS:min_active_flavours 5
create matchbox::nlo_alpha_s NLOAlphaS
set NLOAlphaS:exact_evaluation large_scale
set NLOAlphaS:min_active_flavours 5
################################################################################
# Factories for different colliders
################################################################################
cd /Herwig/MatrixElements/Matchbox
cp Factory EEFactory
set EEFactory:PartonExtractor /Herwig/Partons/EEExtractor
set EEFactory:Cuts /Herwig/Cuts/EECuts
cp Factory DISFactory
set DISFactory:PartonExtractor /Herwig/Partons/DISExtractor
set DISFactory:Cuts /Herwig/Cuts/DISCuts
cp Factory PPFactory
set PPFactory:PartonExtractor /Herwig/Partons/QCDExtractor
set PPFactory:Cuts /Herwig/Cuts/QCDCuts
cd /
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