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diff --git a/Models/Susy/SSCCZVertex.cc b/Models/Susy/SSCCZVertex.cc
--- a/Models/Susy/SSCCZVertex.cc
+++ b/Models/Susy/SSCCZVertex.cc
@@ -1,130 +1,127 @@
// -*- C++ -*-
//
// SSCCZVertex.cc is a part of Herwig - A multi-purpose Monte Carlo event generator
// Copyright (C) 2002-2017 The Herwig Collaboration
//
// Herwig is licenced under version 3 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 SSCCZVertex class.
//
#include "SSCCZVertex.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;
SSCCZVertex::SSCCZVertex() : _sw2(0.), _cw(0.), _couplast(0.),
_q2last(), _id1last(0), _id2last(0),
_leftlast(0.), _rightlast(0.), _gblast(0) {
orderInGs(0);
orderInGem(1);
}
void SSCCZVertex::doinit() {
addToList(-1000024, 1000024, 23);
addToList(-1000024, 1000037, 23);
addToList(-1000037, 1000024, 23);
addToList(-1000037, 1000037, 23);
//photon
addToList(-1000024, 1000024, 22);
addToList(-1000037, 1000037, 22);
FFVVertex::doinit();
tSusyBasePtr theSS = dynamic_ptr_cast<SusyBasePtr>(generator()->standardModel());
if(!theSS)
throw InitException() << "SSCCZVertex::doinit - The model pointer "
<< "is null! "
<< Exception::abortnow;
_sw2 = sin2ThetaW();
_cw = sqrt(1. - _sw2);
_theU = theSS->charginoUMix();
_theV = theSS->charginoVMix();
if(!_theU || !_theV)
throw InitException() << "SSCCZVertex::doinit - "
<< "A mixing matrix pointer is null. U: "
<< _theU << " V: " << _theV
<< Exception::abortnow;
}
void SSCCZVertex::persistentOutput(PersistentOStream & os) const {
os << _sw2 << _cw << _theU << _theV;
}
void SSCCZVertex::persistentInput(PersistentIStream & is, int) {
is >> _sw2 >> _cw >> _theU >> _theV;
}
-// *** 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.
DescribeClass<SSCCZVertex,Helicity::FFVVertex>
describeSSCCZVertex("Herwig::SSCCZVertex", "HwSusy.so");
void SSCCZVertex::Init() {
static ClassDocumentation<SSCCZVertex> documentation
("This class implements the coupling of a Z/gamma to a pair of"
" charginos. ");
}
void SSCCZVertex::setCoupling(Energy2 q2, tcPDPtr part1, tcPDPtr part2,
tcPDPtr part3) {
long ichar1(part1->id()), ichar2(part2->id()), boson(part3->id());
assert( boson == ParticleID::gamma || boson == ParticleID::Z0);
assert( abs(ichar1) == 1000024 || abs(ichar1) == 1000037);
assert( abs(ichar2) == 1000024 || abs(ichar2) == 1000037);
if(_q2last != q2||_couplast==0.) {
_q2last = q2;
_couplast = electroMagneticCoupling(q2);
}
norm(_couplast);
if(boson != _gblast || ichar1 != _id1last || ichar2 != _id2last) {
_gblast = boson;
_id1last = ichar1;
_id2last = ichar2;
if( boson == ParticleID::Z0 ) {
unsigned int ic1(0), ic2(0);
if(abs(ichar1) == 1000037) ic1 = 1;
if(abs(ichar2) == 1000037) ic2 = 1;
_leftlast = -(*_theV)(ic1, 0)*conj((*_theV)(ic2, 0)) -
0.5*(*_theV)(ic1, 1)*conj((*_theV)(ic2, 1));
_rightlast = -conj((*_theU)(ic1, 0))*(*_theU)(ic2, 0) -
0.5*conj((*_theU)(ic1, 1))*(*_theU)(ic2, 1);
if(abs(ichar1) == abs(ichar2)) {
_leftlast += _sw2;
_rightlast += _sw2;
}
_leftlast /= sqrt(_sw2)*_cw;
_rightlast /= sqrt(_sw2)*_cw;
}
else {
if(abs(ichar1) == abs(ichar2)) {
_leftlast = -1.;
_rightlast = -1.;
}
else {
_leftlast = 0.;
_rightlast = 0.;
}
}
if(ichar1>0) {
Complex temp = _leftlast;
_leftlast = -_rightlast;
_rightlast = -temp;
}
}
left(_leftlast);
right(_rightlast);
}
diff --git a/Models/Susy/SSWSSVertex.cc b/Models/Susy/SSWSSVertex.cc
--- a/Models/Susy/SSWSSVertex.cc
+++ b/Models/Susy/SSWSSVertex.cc
@@ -1,242 +1,237 @@
// -*- C++ -*-
//
// SSWSSVertex.cc is a part of Herwig - A multi-purpose Monte Carlo event generator
// Copyright (C) 2002-2017 The Herwig Collaboration
//
// Herwig is licenced under version 3 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/Utilities/DescribeClass.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.) {
+ _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;
}
// The following static variable is needed for the type
// description system in ThePEG.
DescribeClass<SSWSSVertex,VSSVertex>
describeHerwigSSWSSVertex("Herwig::SSWSSVertex", "HwSusy.so");
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){
+ 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.);
- }
+ assert( boson == ParticleID::Wplus || boson == ParticleID::Z0 ||
+ boson == ParticleID::gamma );
long sf1(abs(part2->id())),sf2(abs(part3->id()));
assert( (sf1 >= 1000001 && sf1 <= 1000006)
|| (sf1 >= 1000011 && sf1 <= 1000016)
|| (sf1 >= 2000001 && sf1 <= 2000006)
|| (sf1 >= 2000011 && sf1 <= 2000016) );
assert( (sf2 >= 1000001 && sf2 <= 1000006)
|| (sf2 >= 1000011 && sf2 <= 1000016)
|| (sf2 >= 2000001 && sf2 <= 2000006)
|| (sf2 >= 2000011 && sf2 <= 2000016) );
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);
}
if(part2->id()>0)
norm(-_couplast*_factlast);
else
norm(+_couplast*_factlast);
}

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