herwig
is hosted by
Hepforge
,
IPPP Durham
Herwig
7.2.1
Decay
General
SSVDecayer.h
1
// -*- C++ -*-
2
//
3
// SSVDecayer.h is a part of Herwig - A multi-purpose Monte Carlo event generator
4
// Copyright (C) 2002-2019 The Herwig Collaboration
5
//
6
// Herwig is licenced under version 3 of the GPL, see COPYING for details.
7
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
8
//
9
#ifndef HERWIG_SSVDecayer_H
10
#define HERWIG_SSVDecayer_H
11
//
12
// This is the declaration of the SSVDecayer class.
13
//
14
15
#include "GeneralTwoBodyDecayer.h"
16
#include "ThePEG/Helicity/Vertex/Scalar/VSSVertex.h"
17
#include "ThePEG/Helicity/Vertex/Vector/VVVVertex.h"
18
#include "ThePEG/Helicity/Vertex/Scalar/VVSSVertex.h"
19
#include "ThePEG/Repository/EventGenerator.h"
20
21
namespace
Herwig
{
22
using namespace
ThePEG
;
23
using
Helicity::VSSVertexPtr;
24
34
class
SSVDecayer
:
public
GeneralTwoBodyDecayer
{
35
36
public
:
37
41
SSVDecayer
() {}
42
53
virtual
double
me2(
const
int
ichan,
const
Particle
& part,
54
const
ParticleVector
& decay,
MEOption
meopt)
const
;
55
62
virtual
Energy partialWidth(
PMPair
inpart,
PMPair
outa,
63
PMPair
outb)
const
;
64
68
virtual
POWHEGType
hasPOWHEGCorrection
() {
69
POWHEGType
output = FSR;
70
for
(
auto
vertex : vertex_) {
71
if
(vertex->orderInAllCouplings()!=1) {
72
output = No;
73
break
;
74
}
75
}
76
return
output;
77
}
78
82
virtual
double
threeBodyME(
const
int
,
const
Particle
& inpart,
83
const
ParticleVector
& decay,
84
ShowerInteraction
inter,
85
MEOption
meopt);
86
90
virtual
void
setDecayInfo(
PDPtr
incoming
,
PDPair
outgoing
,
91
vector<VertexBasePtr>,
92
map<ShowerInteraction,VertexBasePtr> &,
93
const
vector<map<ShowerInteraction,VertexBasePtr> > &,
94
map<ShowerInteraction,VertexBasePtr>);
96
97
public
:
98
105
void
persistentOutput(
PersistentOStream
& os)
const
;
106
112
void
persistentInput(
PersistentIStream
& is,
int
version);
114
121
static
void
Init();
122
123
protected
:
124
131
virtual
IBPtr
clone()
const
;
132
137
virtual
IBPtr
fullclone()
const
;
139
140
private
:
141
146
SSVDecayer
& operator=(
const
SSVDecayer
&) =
delete
;
147
148
private
:
149
153
vector<AbstractVSSVertexPtr>
vertex_
;
154
158
map<ShowerInteraction,AbstractVSSVertexPtr>
incomingVertex_
;
159
163
map<ShowerInteraction,AbstractVSSVertexPtr>
outgoingVertexS_
;
164
168
map<ShowerInteraction,AbstractVVVVertexPtr>
outgoingVertexV_
;
169
173
map<ShowerInteraction,AbstractVVSSVertexPtr>
fourPointVertex_
;
174
178
mutable
RhoDMatrix
rho_
;
179
183
mutable
Helicity::ScalarWaveFunction
swave_
;
184
188
mutable
vector<Helicity::VectorWaveFunction>
vector_
;
189
193
mutable
RhoDMatrix
rho3_
;
194
198
mutable
Helicity::ScalarWaveFunction
swave3_
;
199
203
mutable
Helicity::ScalarWaveFunction
scal_
;
204
208
mutable
vector<Helicity::VectorWaveFunction>
vector3_
;
209
213
mutable
vector<Helicity::VectorWaveFunction>
gluon_
;
214
215
};
216
217
}
218
219
#endif
/* HERWIG_SSVDecayer_H */
Herwig::SSVDecayer::scal_
Helicity::ScalarWaveFunction scal_
Scalar wavefunction for 3 body decay.
Definition:
SSVDecayer.h:203
Herwig::SSVDecayer::rho_
RhoDMatrix rho_
Spinor density matrix.
Definition:
SSVDecayer.h:178
ThePEG::PersistentIStream
Herwig::SSVDecayer::incomingVertex_
map< ShowerInteraction, AbstractVSSVertexPtr > incomingVertex_
Abstract pointer to AbstractVSSVertex for QCD radiation from incoming scalar.
Definition:
SSVDecayer.h:158
Herwig::SSVDecayer::rho3_
RhoDMatrix rho3_
Spin density matrix for 3 body decay.
Definition:
SSVDecayer.h:193
Herwig::SSVDecayer
The SSVDecayer class implements the decay of a scalar to a vector and a scalar in a general model...
Definition:
SSVDecayer.h:34
ThePEG::Particle
Herwig::ShowerInteraction
ShowerInteraction
Handy header file to be included in all Shower classes.
Definition:
ShowerInteraction.h:23
Herwig::SSVDecayer::fourPointVertex_
map< ShowerInteraction, AbstractVVSSVertexPtr > fourPointVertex_
Abstract pointer to AbstractVVSSVertex for QCD radiation from 4 point vertex.
Definition:
SSVDecayer.h:173
Herwig::SSVDecayer::SSVDecayer
SSVDecayer()
The default constructor.
Definition:
SSVDecayer.h:41
ThePEG::PersistentOStream
Herwig::SSVDecayer::outgoingVertexV_
map< ShowerInteraction, AbstractVVVVertexPtr > outgoingVertexV_
Abstract pointer to AbstractVVVVertex for QCD radiation from outgoing vector.
Definition:
SSVDecayer.h:168
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
ThePEG::Helicity::incoming
incoming
Herwig::GeneralTwoBodyDecayer
The GeneralTwoBodyDecayer class is designed to be the base class for 2 body decays for some general m...
Definition:
GeneralTwoBodyDecayer.h:38
ThePEG
Herwig::GeneralTwoBodyDecayer::PMPair
pair< tcPDPtr, Energy > PMPair
A ParticleData ptr and (possible) mass pair.
Definition:
GeneralTwoBodyDecayer.h:43
Herwig::SSVDecayer::swave_
Helicity::ScalarWaveFunction swave_
Scalar wavefunction.
Definition:
SSVDecayer.h:183
ThePEG::Helicity::outgoing
outgoing
Herwig::DecayIntegrator::MEOption
MEOption
Enum for the matrix element option.
Definition:
DecayIntegrator.h:79
ThePEG::Helicity::ScalarWaveFunction
Herwig::SSVDecayer::vector_
vector< Helicity::VectorWaveFunction > vector_
Vector wavefunction.
Definition:
SSVDecayer.h:188
Herwig::HwDecayerBase::POWHEGType
POWHEGType
Virtual members to be overridden by inheriting classes which implement hard corrections.
Definition:
HwDecayerBase.h:76
Herwig::SSVDecayer::vertex_
vector< AbstractVSSVertexPtr > vertex_
Abstract pointer to AbstractFFVVertex.
Definition:
SSVDecayer.h:153
Herwig::SSVDecayer::gluon_
vector< Helicity::VectorWaveFunction > gluon_
Vector wavefunction for 3 body decay.
Definition:
SSVDecayer.h:213
ThePEG::PDPair
pair< PDPtr, PDPtr > PDPair
ThePEG::PDPtr
ThePEG::Ptr< ParticleData >::pointer PDPtr
Herwig::SSVDecayer::swave3_
Helicity::ScalarWaveFunction swave3_
Scalar wavefunction for 3 body decay.
Definition:
SSVDecayer.h:198
Herwig::SSVDecayer::vector3_
vector< Helicity::VectorWaveFunction > vector3_
Vector wavefunction for 3 body decay.
Definition:
SSVDecayer.h:208
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
Herwig::SSVDecayer::outgoingVertexS_
map< ShowerInteraction, AbstractVSSVertexPtr > outgoingVertexS_
Abstract pointer to AbstractVSSVertex for QCD radiation from outgoing scalar.
Definition:
SSVDecayer.h:163
ThePEG::ParticleVector
vector< PPtr > ParticleVector
ThePEG::RhoDMatrix
Herwig::SSVDecayer::hasPOWHEGCorrection
virtual POWHEGType hasPOWHEGCorrection()
Has a POWHEG style correction.
Definition:
SSVDecayer.h:68
Generated on Sat Apr 11 2020 14:50:31 for Herwig by
1.8.13