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diff --git a/src/defaults/Shower.in b/src/defaults/Shower.in
--- a/src/defaults/Shower.in
+++ b/src/defaults/Shower.in
@@ -1,296 +1,296 @@
# -*- ThePEG-repository -*-
############################################################
# Setup of default parton shower
#
# Useful switches for users are marked near the top of
# this file.
#
# Don't edit this file directly, but reset the switches
# in your own input files!
############################################################
library HwMPI.so
library HwShower.so
library HwMatching.so
mkdir /Herwig/Shower
cd /Herwig/Shower
create Herwig::QTildeShowerHandler ShowerHandler
newdef ShowerHandler:MPIHandler /Herwig/UnderlyingEvent/MPIHandler
newdef ShowerHandler:RemDecayer /Herwig/Partons/RemnantDecayer
# use LO PDFs for Shower, can be changed later
newdef ShowerHandler:PDFA /Herwig/Partons/ShowerLOPDF
newdef ShowerHandler:PDFB /Herwig/Partons/ShowerLOPDF
newdef ShowerHandler:PDFARemnant /Herwig/Partons/RemnantPDF
newdef ShowerHandler:PDFBRemnant /Herwig/Partons/RemnantPDF
#####################################
# initial setup, don't change these!
#####################################
create Herwig::SplittingGenerator SplittingGenerator
create Herwig::ShowerAlphaQCD AlphaQCD
create Herwig::ShowerAlphaQED AlphaQED
create Herwig::QTildeModel ShowerModel
create Herwig::QTildeFinder PartnerFinder
newdef PartnerFinder:PartnerMethod 1
newdef PartnerFinder:ScaleChoice 1
create Herwig::QTildeReconstructor KinematicsReconstructor
newdef KinematicsReconstructor:ReconstructionOption Colour3
newdef KinematicsReconstructor:InitialStateReconOption SofterFraction
newdef KinematicsReconstructor:InitialInitialBoostOption LongTransBoost
newdef /Herwig/Partons/RemnantDecayer:AlphaS AlphaQCD
newdef /Herwig/Partons/RemnantDecayer:AlphaEM AlphaQED
newdef ShowerModel:PartnerFinder PartnerFinder
newdef ShowerModel:KinematicsReconstructor KinematicsReconstructor
newdef ShowerHandler:ShowerModel ShowerModel
newdef ShowerHandler:SplittingGenerator SplittingGenerator
newdef ShowerHandler:SpinCorrelations Yes
newdef ShowerHandler:SoftCorrelations Singular
##################################################################
# Intrinsic pT
#
# Recommended:
# 1.9 GeV for Tevatron W/Z production.
# 2.1 GeV for LHC W/Z production at 10 TeV
# 2.2 GeV for LHC W/Z production at 14 TeV
#
# Set all parameters to 0 to disable
##################################################################
newdef ShowerHandler:IntrinsicPtGaussian 1.3*GeV
newdef ShowerHandler:IntrinsicPtBeta 0
newdef ShowerHandler:IntrinsicPtGamma 0*GeV
newdef ShowerHandler:IntrinsicPtIptmax 0*GeV
#############################################################
# Set up truncated shower handler.
#############################################################
create Herwig::PowhegShowerHandler PowhegShowerHandler
set PowhegShowerHandler:MPIHandler /Herwig/UnderlyingEvent/MPIHandler
set PowhegShowerHandler:RemDecayer /Herwig/Partons/RemnantDecayer
newdef PowhegShowerHandler:PDFA /Herwig/Partons/ShowerLOPDF
newdef PowhegShowerHandler:PDFB /Herwig/Partons/ShowerLOPDF
newdef PowhegShowerHandler:PDFARemnant /Herwig/Partons/RemnantPDF
newdef PowhegShowerHandler:PDFBRemnant /Herwig/Partons/RemnantPDF
newdef PowhegShowerHandler:MPIHandler /Herwig/UnderlyingEvent/MPIHandler
newdef PowhegShowerHandler:RemDecayer /Herwig/Partons/RemnantDecayer
newdef PowhegShowerHandler:PDFA /Herwig/Partons/ShowerLOPDF
newdef PowhegShowerHandler:PDFB /Herwig/Partons/ShowerLOPDF
newdef PowhegShowerHandler:PDFARemnant /Herwig/Partons/RemnantPDF
newdef PowhegShowerHandler:PDFBRemnant /Herwig/Partons/RemnantPDF
newdef PowhegShowerHandler:ShowerModel ShowerModel
newdef PowhegShowerHandler:SplittingGenerator SplittingGenerator
newdef PowhegShowerHandler:Interactions QCDandQED
newdef PowhegShowerHandler:SpinCorrelations Yes
newdef PowhegShowerHandler:SoftCorrelations Singular
newdef PowhegShowerHandler:IntrinsicPtGaussian 1.3*GeV
newdef PowhegShowerHandler:IntrinsicPtBeta 0
newdef PowhegShowerHandler:IntrinsicPtGamma 0*GeV
newdef PowhegShowerHandler:IntrinsicPtIptmax 0*GeV
newdef PowhegShowerHandler:ReconstructionOption OffShell3
#############################################################
# End of interesting user servicable section.
#
# Anything that follows below should only be touched if you
# know what you're doing.
#
# Really.
#############################################################
#
# a few default values
newdef ShowerHandler:MECorrMode 1
newdef ShowerHandler:ReconstructionOption OffShell3
newdef AlphaQCD:ScaleFactor 1.0
newdef AlphaQCD:NPAlphaS 2
newdef AlphaQCD:Qmin 0.935
newdef AlphaQCD:NumberOfLoops 2
newdef AlphaQCD:InputOption 1
newdef AlphaQCD:AlphaMZ 0.134
#
#
# Lets set up all the splittings
create Herwig::HalfHalfOneSplitFn QtoQGammaSplitFn
set QtoQGammaSplitFn:InteractionType QED
set QtoQGammaSplitFn:ColourStructure ChargedChargedNeutral
set QtoQGammaSplitFn:AngularOrdered Yes
create Herwig::HalfHalfOneSplitFn QtoQGSplitFn
newdef QtoQGSplitFn:InteractionType QCD
newdef QtoQGSplitFn:ColourStructure TripletTripletOctet
set QtoQGSplitFn:AngularOrdered Yes
create Herwig::OneOneOneSplitFn GtoGGSplitFn
newdef GtoGGSplitFn:InteractionType QCD
newdef GtoGGSplitFn:ColourStructure OctetOctetOctet
set GtoGGSplitFn:AngularOrdered Yes
create Herwig::OneHalfHalfSplitFn GtoQQbarSplitFn
newdef GtoQQbarSplitFn:InteractionType QCD
newdef GtoQQbarSplitFn:ColourStructure OctetTripletTriplet
set GtoQQbarSplitFn:AngularOrdered Yes
create Herwig::OneHalfHalfSplitFn GammatoQQbarSplitFn
newdef GammatoQQbarSplitFn:InteractionType QED
newdef GammatoQQbarSplitFn:ColourStructure NeutralChargedCharged
set GammatoQQbarSplitFn:AngularOrdered Yes
create Herwig::HalfOneHalfSplitFn QtoGQSplitFn
newdef QtoGQSplitFn:InteractionType QCD
newdef QtoGQSplitFn:ColourStructure TripletOctetTriplet
set QtoGQSplitFn:AngularOrdered Yes
create Herwig::HalfOneHalfSplitFn QtoGammaQSplitFn
newdef QtoGammaQSplitFn:InteractionType QED
newdef QtoGammaQSplitFn:ColourStructure ChargedNeutralCharged
set QtoGammaQSplitFn:AngularOrdered Yes
#
# Now the Sudakovs
create Herwig::QTildeSudakov SudakovCommon
newdef SudakovCommon:Alpha AlphaQCD
newdef SudakovCommon:cutoffKinScale 0.0*GeV
newdef SudakovCommon:PDFmax 1.0
newdef SudakovCommon:CutOffOption pT
newdef SudakovCommon:pTmin 1.67*GeV
cp SudakovCommon QtoQGSudakov
newdef QtoQGSudakov:SplittingFunction QtoQGSplitFn
newdef QtoQGSudakov:PDFmax 1.9
cp SudakovCommon QtoQGammaSudakov
set QtoQGammaSudakov:SplittingFunction QtoQGammaSplitFn
set QtoQGammaSudakov:Alpha AlphaQED
set QtoQGammaSudakov:PDFmax 1.9
cp QtoQGammaSudakov LtoLGammaSudakov
cp SudakovCommon GtoGGSudakov
newdef GtoGGSudakov:SplittingFunction GtoGGSplitFn
newdef GtoGGSudakov:PDFmax 2.0
cp SudakovCommon GtoQQbarSudakov
newdef GtoQQbarSudakov:SplittingFunction GtoQQbarSplitFn
newdef GtoQQbarSudakov:PDFmax 120.0
cp SudakovCommon GammatoQQbarSudakov
newdef GammatoQQbarSudakov:SplittingFunction GammatoQQbarSplitFn
newdef GammatoQQbarSudakov:PDFmax 120.0
cp SudakovCommon GtobbbarSudakov
newdef GtobbbarSudakov:SplittingFunction GtoQQbarSplitFn
newdef GtobbbarSudakov:PDFmax 40000.0
cp SudakovCommon GtoccbarSudakov
newdef GtoccbarSudakov:SplittingFunction GtoQQbarSplitFn
newdef GtoccbarSudakov:PDFmax 2000.0
cp SudakovCommon QtoGQSudakov
newdef QtoGQSudakov:SplittingFunction QtoGQSplitFn
cp SudakovCommon QtoGammaQSudakov
newdef QtoGammaQSudakov:SplittingFunction QtoGammaQSplitFn
cp SudakovCommon utoGuSudakov
newdef utoGuSudakov:SplittingFunction QtoGQSplitFn
newdef utoGuSudakov:PDFFactor OverOneMinusZ
newdef utoGuSudakov:PDFmax 5.0
cp SudakovCommon dtoGdSudakov
newdef dtoGdSudakov:SplittingFunction QtoGQSplitFn
newdef dtoGdSudakov:PDFFactor OverOneMinusZ
#
# Now add the final splittings
#
do SplittingGenerator:AddFinalSplitting u->u,g; QtoQGSudakov
do SplittingGenerator:AddFinalSplitting d->d,g; QtoQGSudakov
do SplittingGenerator:AddFinalSplitting s->s,g; QtoQGSudakov
do SplittingGenerator:AddFinalSplitting c->c,g; QtoQGSudakov
do SplittingGenerator:AddFinalSplitting b->b,g; QtoQGSudakov
do SplittingGenerator:AddFinalSplitting t->t,g; QtoQGSudakov
#
do SplittingGenerator:AddFinalSplitting g->g,g; GtoGGSudakov
#
do SplittingGenerator:AddFinalSplitting g->u,ubar; GtoQQbarSudakov
do SplittingGenerator:AddFinalSplitting g->d,dbar; GtoQQbarSudakov
do SplittingGenerator:AddFinalSplitting g->s,sbar; GtoQQbarSudakov
do SplittingGenerator:AddFinalSplitting g->c,cbar; GtoccbarSudakov
do SplittingGenerator:AddFinalSplitting g->b,bbar; GtobbbarSudakov
do SplittingGenerator:AddFinalSplitting g->t,tbar; GtoQQbarSudakov
#
do SplittingGenerator:AddFinalSplitting gamma->u,ubar; GammatoQQbarSudakov
do SplittingGenerator:AddFinalSplitting gamma->d,dbar; GammatoQQbarSudakov
do SplittingGenerator:AddFinalSplitting gamma->s,sbar; GammatoQQbarSudakov
do SplittingGenerator:AddFinalSplitting gamma->c,cbar; GammatoQQbarSudakov
do SplittingGenerator:AddFinalSplitting gamma->b,bbar; GammatoQQbarSudakov
do SplittingGenerator:AddFinalSplitting gamma->t,tbar; GammatoQQbarSudakov
do SplittingGenerator:AddFinalSplitting gamma->e-,e+; GammatoQQbarSudakov
do SplittingGenerator:AddFinalSplitting gamma->mu-,mu+; GammatoQQbarSudakov
do SplittingGenerator:AddFinalSplitting gamma->tau-,tau+; GammatoQQbarSudakov
#
do SplittingGenerator:AddFinalSplitting u->u,gamma; QtoQGammaSudakov
do SplittingGenerator:AddFinalSplitting d->d,gamma; QtoQGammaSudakov
do SplittingGenerator:AddFinalSplitting s->s,gamma; QtoQGammaSudakov
do SplittingGenerator:AddFinalSplitting c->c,gamma; QtoQGammaSudakov
do SplittingGenerator:AddFinalSplitting b->b,gamma; QtoQGammaSudakov
do SplittingGenerator:AddFinalSplitting t->t,gamma; QtoQGammaSudakov
do SplittingGenerator:AddFinalSplitting e-->e-,gamma; LtoLGammaSudakov
do SplittingGenerator:AddFinalSplitting mu-->mu-,gamma; LtoLGammaSudakov
do SplittingGenerator:AddFinalSplitting tau-->tau-,gamma; LtoLGammaSudakov
#
# Now lets add the initial splittings. Remember the form a->b,c; means
-# that particle a is the particle given and we backward branch to
-# particle b which is initial state and particle c which is final state
+# that the current particle b is given and we backward branch to new
+# particle a which is initial state and new particle c which is final state
#
do SplittingGenerator:AddInitialSplitting u->u,g; QtoQGSudakov
do SplittingGenerator:AddInitialSplitting d->d,g; QtoQGSudakov
do SplittingGenerator:AddInitialSplitting s->s,g; QtoQGSudakov
do SplittingGenerator:AddInitialSplitting c->c,g; QtoQGSudakov
do SplittingGenerator:AddInitialSplitting b->b,g; QtoQGSudakov
do SplittingGenerator:AddInitialSplitting u->u,gamma; QtoQGammaSudakov
do SplittingGenerator:AddInitialSplitting d->d,gamma; QtoQGammaSudakov
do SplittingGenerator:AddInitialSplitting s->s,gamma; QtoQGammaSudakov
do SplittingGenerator:AddInitialSplitting c->c,gamma; QtoQGammaSudakov
do SplittingGenerator:AddInitialSplitting b->b,gamma; QtoQGammaSudakov
do SplittingGenerator:AddInitialSplitting t->t,gamma; QtoQGammaSudakov
do SplittingGenerator:AddInitialSplitting g->g,g; GtoGGSudakov
#
do SplittingGenerator:AddInitialSplitting g->d,dbar; GtoQQbarSudakov
do SplittingGenerator:AddInitialSplitting g->u,ubar; GtoQQbarSudakov
do SplittingGenerator:AddInitialSplitting g->s,sbar; GtoQQbarSudakov
do SplittingGenerator:AddInitialSplitting g->c,cbar; GtoccbarSudakov
do SplittingGenerator:AddInitialSplitting g->b,bbar; GtobbbarSudakov
#
do SplittingGenerator:AddInitialSplitting gamma->d,dbar; GammatoQQbarSudakov
do SplittingGenerator:AddInitialSplitting gamma->u,ubar; GammatoQQbarSudakov
do SplittingGenerator:AddInitialSplitting gamma->s,sbar; GammatoQQbarSudakov
do SplittingGenerator:AddInitialSplitting gamma->c,cbar; GammatoQQbarSudakov
do SplittingGenerator:AddInitialSplitting gamma->b,bbar; GammatoQQbarSudakov
#
do SplittingGenerator:AddInitialSplitting d->g,d; dtoGdSudakov
do SplittingGenerator:AddInitialSplitting u->g,u; utoGuSudakov
do SplittingGenerator:AddInitialSplitting s->g,s; QtoGQSudakov
do SplittingGenerator:AddInitialSplitting c->g,c; QtoGQSudakov
do SplittingGenerator:AddInitialSplitting b->g,b; QtoGQSudakov
do SplittingGenerator:AddInitialSplitting dbar->g,dbar; dtoGdSudakov
do SplittingGenerator:AddInitialSplitting ubar->g,ubar; utoGuSudakov
do SplittingGenerator:AddInitialSplitting sbar->g,sbar; QtoGQSudakov
do SplittingGenerator:AddInitialSplitting cbar->g,cbar; QtoGQSudakov
do SplittingGenerator:AddInitialSplitting bbar->g,bbar; QtoGQSudakov
#
do SplittingGenerator:AddInitialSplitting d->gamma,d; QtoGammaQSudakov
do SplittingGenerator:AddInitialSplitting u->gamma,u; QtoGammaQSudakov
do SplittingGenerator:AddInitialSplitting s->gamma,s; QtoGammaQSudakov
do SplittingGenerator:AddInitialSplitting c->gamma,c; QtoGammaQSudakov
do SplittingGenerator:AddInitialSplitting b->gamma,b; QtoGammaQSudakov
do SplittingGenerator:AddInitialSplitting dbar->gamma,dbar; QtoGammaQSudakov
do SplittingGenerator:AddInitialSplitting ubar->gamma,ubar; QtoGammaQSudakov
do SplittingGenerator:AddInitialSplitting sbar->gamma,sbar; QtoGammaQSudakov
do SplittingGenerator:AddInitialSplitting cbar->gamma,cbar; QtoGammaQSudakov
do SplittingGenerator:AddInitialSplitting bbar->gamma,bbar; QtoGammaQSudakov

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