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diff --git a/Models/Susy/SSGSSVertex.cc b/Models/Susy/SSGSSVertex.cc
--- a/Models/Susy/SSGSSVertex.cc
+++ b/Models/Susy/SSGSSVertex.cc
@@ -1,66 +1,67 @@
// -*- C++ -*-
//
// SSGSSVertex.cc is a part of Herwig++ - A multi-purpose Monte Carlo event generator
// Copyright (C) 2002-2011 The Herwig Collaboration
//
// Herwig++ is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
//
// This is the implementation of the non-inlined, non-templated member
// functions of the SSGSSVertex class.
//
#include "SSGSSVertex.h"
#include "ThePEG/Interface/ClassDocumentation.h"
#include "ThePEG/Utilities/DescribeClass.h"
#include "ThePEG/Persistency/PersistentOStream.h"
#include "ThePEG/Persistency/PersistentIStream.h"
#include "ThePEG/PDT/EnumParticles.h"
using namespace ThePEG::Helicity;
using namespace Herwig;
SSGSSVertex::SSGSSVertex() : _couplast(0.),_q2last(ZERO) {
orderInGs(1);
orderInGem(0);
}
void SSGSSVertex::doinit() {
for(long ix=1000001;ix<1000007;++ix) {
addToList(21,ix,-ix);
}
for(long ix=2000001;ix<2000007;++ix) {
addToList(21,ix,-ix);
}
VSSVertex::doinit();
}
-// *** Attention *** The following static variable is needed for the type
-// description system in ThePEG. Please check that the template arguments
-// are correct (the class and its base class), and that the constructor
-// arguments are correct (the class name and the name of the dynamically
-// loadable library where the class implementation can be found).
+// The following static variable is needed for the type
+// description system in ThePEG.
DescribeNoPIOClass<SSGSSVertex,Helicity::VSSVertex>
describeSSGSSVertex("Herwig::SSGSSVertex", "HwSusy.so");
void SSGSSVertex::Init() {
static ClassDocumentation<SSGSSVertex> documentation
("The SSGSSVertex class implements the coupling"
" of the gluon to the squarks");
}
void SSGSSVertex::setCoupling(Energy2 q2, tcPDPtr part1,
- tcPDPtr part2, tcPDPtr) {
+ tcPDPtr part2, tcPDPtr part3) {
assert(part1->id()==ParticleID::g);
long isf = abs(part2->id());
assert( (isf >= 1000001 && isf <= 1000006) ||
(isf >= 2000001 && isf <= 2000006) );
+ assert(part2->id()==-part3->id());
if(q2 != _q2last || _couplast == 0.) {
_couplast = strongCoupling(q2);
_q2last = q2;
}
- norm(_couplast);
+ if(part2->id()>0)
+ norm(-_couplast);
+ else
+ norm( _couplast);
}
diff --git a/Models/Susy/SSWSSVertex.cc b/Models/Susy/SSWSSVertex.cc
--- a/Models/Susy/SSWSSVertex.cc
+++ b/Models/Susy/SSWSSVertex.cc
@@ -1,234 +1,237 @@
// -*- C++ -*-
//
// SSWSSVertex.cc is a part of Herwig++ - A multi-purpose Monte Carlo event generator
// Copyright (C) 2002-2011 The Herwig Collaboration
//
// Herwig++ is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
//
// This is the implementation of the non-inlined, non-templated member
// functions of the SSWSSVertex class.
//
#include "SSWSSVertex.h"
#include "ThePEG/Interface/ClassDocumentation.h"
#include "ThePEG/Persistency/PersistentOStream.h"
#include "ThePEG/Persistency/PersistentIStream.h"
#include "ThePEG/PDT/EnumParticles.h"
using namespace ThePEG::Helicity;
using namespace Herwig;
SSWSSVertex::SSWSSVertex():_sw(0.), _cw(0.), _q2last(),_couplast(0.),
_ulast(0), _dlast(0), _gblast(0),
_factlast(0.) {
orderInGem(1);
orderInGs(0);
}
void SSWSSVertex::doinit() {
//W-
//LL-squarks
for(long ix=1000001;ix<1000006;ix+=2) {
addToList(-24,ix+1,-ix);
}
//1-2 stop sbottom
addToList(-24,1000006,-2000005);
//2-1 stop sbottom
addToList(-24,2000006,-1000005);
//2-2 stop sbottom
addToList(-24,2000006,-2000005);
//LL-sleptons
for(long ix=1000011;ix<1000016;ix+=2) {
addToList(-24,-ix,ix+1);
}
//2-L stau
addToList(-24,-2000015,1000016);
//W+
for(long ix=1000001;ix<1000006;ix+=2) {
addToList(24,-(ix+1),ix);
}
//1-2 stop sbottom
addToList(24,-1000006,2000005);
//2-1 stop sbottom
addToList(24,-2000006,1000005);
//2-2 stop sbottom
addToList(24,-2000006,2000005);
//LL-sleptons
for(long ix=1000011;ix<1000016;ix+=2) {
addToList(24,ix,-ix-1);
}
//2-L stau
addToList(24,2000015,-1000016);
//---Z0----
//LL-sleptons
for(long ix=1000011;ix<1000017;++ix) {
addToList(23,ix,-ix);
}
//RR-sleptons
for(long ix=2000011;ix<2000016;ix+=2) {
addToList(23,ix,-ix);
}
//L-Rbar stau
addToList(23,1000015,-2000015);
//Lbar-R stau
addToList(23,-1000015,2000015);
//LL squarks
for(long ix=1000001;ix<1000007;++ix) {
addToList(23,ix,-ix);
}
//RR squarks
for(long ix=2000001;ix<2000007;++ix) {
addToList(23,ix,-ix);
}
//L-Rbar stop
addToList(23,1000006,-2000006);
//Lbar-R stop
addToList(23,-1000006,2000006);
//L-Rbar sbottom
addToList(23,1000005,-2000005);
//Lbar-R sbottom
addToList(23,-1000005,2000005);
//----gamma----
//sleptons
for(long ix=1000011;ix<1000016;ix+=2) {
addToList(22,ix,-ix);
}
for(long ix=2000011;ix<2000016;ix+=2) {
addToList(22,ix,-ix);
}
//squarks
for(long ix=1000001;ix<1000007;++ix) {
addToList(22,ix,-ix);
}
for(long ix=2000001;ix<2000007;++ix) {
addToList(22,ix,-ix);
}
VSSVertex::doinit();
tMSSMPtr theSS = dynamic_ptr_cast<MSSMPtr>(generator()->standardModel());
if(!theSS)
throw InitException() << "SSWSSVertex::doinit() - "
<< "The model pointer is null."
<< Exception::abortnow;
_sw = sqrt(sin2ThetaW());
_cw = sqrt( 1. - sqr(_sw) );
_stop = theSS->stopMix();
_sbottom = theSS->sbottomMix();
_stau = theSS->stauMix();
if(!_stop || !_stau || !_sbottom)
throw InitException() << "SSWSSVertex::doinit() - "
<< "A mixing matrix pointer is null."
<< " stop: " << _stop << " sbottom: " << _sbottom
<< " stau: " << _stau << Exception::abortnow;
}
void SSWSSVertex::persistentOutput(PersistentOStream & os) const {
os << _sw << _cw << _stau << _stop << _sbottom;
}
void SSWSSVertex::persistentInput(PersistentIStream & is, int) {
is >> _sw >> _cw >> _stau >> _stop >> _sbottom;
}
ClassDescription<SSWSSVertex> SSWSSVertex::initSSWSSVertex;
// Definition of the static class description member.
void SSWSSVertex::Init() {
static ClassDocumentation<SSWSSVertex> documentation
("This is the implementation of the coupling of an SM boson "
"a pair of sfermions");
}
void SSWSSVertex::setCoupling(Energy2 q2,tcPDPtr part1,
tcPDPtr part2,tcPDPtr part3){
long boson(abs(part1->id()));
if( boson != ParticleID::Wplus && boson != ParticleID::Z0 &&
boson != ParticleID::gamma ) {
throw HelicityConsistencyError()
<< "SSWSSVertex::setCoupling() - The vector particle in this "
<< "vertex is not a W/Z. " << boson << Exception::warning;
norm(0.);
}
long sf1(abs(part2->id())),sf2(abs(part3->id()));
if( (sf1 > 1000006 && sf1 < 1000011 && sf1 > 1000016) ||
(sf1 > 2000006 && sf1 < 2000011 && sf1 > 2000016) ||
(sf2 > 1000006 && sf2 < 1000011 && sf2 > 1000016) ||
(sf2 > 2000006 && sf2 < 2000011 && sf2 > 2000016) )
throw HelicityConsistencyError()
<< "SSWSSVertex::setCoupling() - There are no sfermions in "
<< "this vertex! " << part2->id() << " " << part3->id()
<< Exception::warning;
if( sf1 % 2 != 0 ) swap(sf1, sf2);
if( sf1 != _ulast || sf2 != _dlast || boson != _gblast) {
_gblast = boson;
_ulast = sf1;
_dlast = sf2;
//photon is simplest
if( boson == ParticleID::gamma )
_factlast = getParticleData(sf1)->charge()/eplus;
else {
//determine which helicity state
unsigned int alpha(sf1/1000000 - 1), beta(sf2/1000000 - 1);
//mixing factors
Complex m1a(0.), m1b(0.);
if( sf1 == ParticleID::SUSY_t_1 || sf1 == ParticleID::SUSY_t_2 )
m1a = (*_stop)(alpha, 0);
else if( sf1 == ParticleID::SUSY_b_1 || sf1 == ParticleID::SUSY_b_2 )
m1a = (*_sbottom)(alpha, 0);
else if( sf1 == ParticleID::SUSY_tau_1minus ||
sf1 == ParticleID::SUSY_tau_2minus )
m1a = (*_stau)(alpha, 0);
else
m1a = (alpha == 0) ? Complex(1.) : Complex(0.);
if( sf2 == ParticleID::SUSY_t_1 || sf2 == ParticleID::SUSY_t_2 )
m1b = (*_stop)(beta, 0);
else if( sf2 == ParticleID::SUSY_b_1 || sf2 == ParticleID::SUSY_b_2 )
m1b = (*_sbottom)(beta, 0);
else if( sf2 == ParticleID::SUSY_tau_1minus ||
sf2 == ParticleID::SUSY_tau_2minus )
m1b = (*_stau)(beta, 0);
else
m1b = (beta == 0) ? Complex(1.) : Complex(0.);
//W boson
if( boson == ParticleID::Wplus ) {
_factlast = m1a*m1b/sqrt(2)/_sw;
}
//Z boson
else {
if( sf1 == ParticleID::SUSY_nu_eL || sf1 == ParticleID::SUSY_nu_muL ||
sf1 == ParticleID::SUSY_nu_tauL ) {
_factlast = 1./_cw/2./_sw;
}
else {
double lmda(1.);
if( sf2 % 2 == 0 ) lmda = -1.;
_factlast = lmda*m1a*m1b;
if( alpha == beta) {
double ef = getParticleData(sf1)->charge()/eplus;
_factlast += 2.*ef*sqr(_sw);
}
_factlast *= -1./2./_cw/_sw;
}
}
}
}
if( q2 != _q2last || _couplast==0. ) {
_q2last = q2;
_couplast = electroMagneticCoupling(q2);
}
- norm(_couplast*_factlast);
+ if(part2->id()>0)
+ norm(-_couplast*_factlast);
+ else
+ norm( _couplast*_factlast);
}

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