herwig
is hosted by
Hepforge
,
IPPP Durham
Herwig
7.3.0
Decay
General
TSSDecayer.h
1
// -*- C++ -*-
2
//
3
// TSSDecayer.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_TSSDecayer_H
10
#define HERWIG_TSSDecayer_H
11
//
12
// This is the declaration of the TSSDecayer class.
13
//
14
15
#include "GeneralTwoBodyDecayer.h"
16
#include "ThePEG/Repository/EventGenerator.h"
17
#include "ThePEG/Helicity/Vertex/Tensor/SSTVertex.h"
18
19
namespace
Herwig
{
20
using namespace
ThePEG
;
21
using
Helicity::SSTVertexPtr;
22
32
class
TSSDecayer
:
public
GeneralTwoBodyDecayer
{
33
34
public
:
35
39
TSSDecayer
() {}
40
41
public
:
42
54
double
me2
(
const
int
ichan,
const
Particle
& part,
55
const
tPDVector
&
outgoing
,
56
const
vector<Lorentz5Momentum> & momenta,
57
MEOption
meopt)
const
;
58
62
virtual
void
constructSpinInfo
(
const
Particle
& part,
63
ParticleVector
outgoing
)
const
;
64
71
virtual
Energy
partialWidth
(
PMPair
inpart,
PMPair
outa,
72
PMPair
outb)
const
;
73
77
virtual
void
setDecayInfo
(
PDPtr
incoming
,
PDPair
outgoing
,
78
vector<VertexBasePtr>,
79
map<ShowerInteraction,VertexBasePtr> &,
80
const
vector<map<ShowerInteraction,VertexBasePtr> > &,
81
map<ShowerInteraction,VertexBasePtr>);
83
84
public
:
85
92
void
persistentOutput
(
PersistentOStream
& os)
const
;
93
99
void
persistentInput
(
PersistentIStream
& is,
int
version);
101
108
static
void
Init
();
109
110
protected
:
111
118
virtual
IBPtr
clone
()
const
;
119
124
virtual
IBPtr
fullclone
()
const
;
126
127
private
:
128
133
TSSDecayer
&
operator=
(
const
TSSDecayer
&) =
delete
;
134
135
private
:
136
140
vector<AbstractSSTVertexPtr>
vertex_
;
141
145
vector<SSTVertexPtr>
perturbativeVertex_
;
146
150
mutable
RhoDMatrix
rho_
;
151
155
mutable
vector<Helicity::TensorWaveFunction>
tensors_
;
156
};
157
158
}
159
160
#endif
/* HERWIG_TSSDecayer_H */
Herwig::DecayIntegrator::MEOption
MEOption
Enum for the matrix element option.
Definition:
DecayIntegrator.h:72
Herwig::GeneralTwoBodyDecayer
The GeneralTwoBodyDecayer class is designed to be the base class for 2 body decays for some general m...
Definition:
GeneralTwoBodyDecayer.h:38
Herwig::GeneralTwoBodyDecayer::PMPair
pair< tcPDPtr, Energy > PMPair
A ParticleData ptr and (possible) mass pair.
Definition:
GeneralTwoBodyDecayer.h:43
Herwig::TSSDecayer
The TSSDecayer class implements the decay of a tensor to 2 scalars in a general model.
Definition:
TSSDecayer.h:32
Herwig::TSSDecayer::setDecayInfo
virtual void setDecayInfo(PDPtr incoming, PDPair outgoing, vector< VertexBasePtr >, map< ShowerInteraction, VertexBasePtr > &, const vector< map< ShowerInteraction, VertexBasePtr > > &, map< ShowerInteraction, VertexBasePtr >)
Set the information on the decay.
Herwig::TSSDecayer::persistentInput
void persistentInput(PersistentIStream &is, int version)
Function used to read in object persistently.
Herwig::TSSDecayer::tensors_
vector< Helicity::TensorWaveFunction > tensors_
Polarization tensors of the decaying particle.
Definition:
TSSDecayer.h:155
Herwig::TSSDecayer::persistentOutput
void persistentOutput(PersistentOStream &os) const
Function used to write out object persistently.
Herwig::TSSDecayer::TSSDecayer
TSSDecayer()
The default constructor.
Definition:
TSSDecayer.h:39
Herwig::TSSDecayer::constructSpinInfo
virtual void constructSpinInfo(const Particle &part, ParticleVector outgoing) const
Construct the SpinInfos for the particles produced in the decay.
Herwig::TSSDecayer::rho_
RhoDMatrix rho_
Spin density matrix.
Definition:
TSSDecayer.h:150
Herwig::TSSDecayer::clone
virtual IBPtr clone() const
Make a simple clone of this object.
Herwig::TSSDecayer::partialWidth
virtual Energy partialWidth(PMPair inpart, PMPair outa, PMPair outb) const
Function to return partial Width.
Herwig::TSSDecayer::fullclone
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
Herwig::TSSDecayer::operator=
TSSDecayer & operator=(const TSSDecayer &)=delete
The assignment operator is private and must never be called.
Herwig::TSSDecayer::vertex_
vector< AbstractSSTVertexPtr > vertex_
Abstract pointer to AbstractSSTVertex.
Definition:
TSSDecayer.h:140
Herwig::TSSDecayer::perturbativeVertex_
vector< SSTVertexPtr > perturbativeVertex_
Pointer to the perturbative vertex.
Definition:
TSSDecayer.h:145
Herwig::TSSDecayer::Init
static void Init()
The standard Init function used to initialize the interfaces.
Herwig::TSSDecayer::me2
double me2(const int ichan, const Particle &part, const tPDVector &outgoing, const vector< Lorentz5Momentum > &momenta, MEOption meopt) const
Return the matrix element squared for a given mode and phase-space channel.
ThePEG::Particle
ThePEG::PersistentIStream
ThePEG::PersistentOStream
ThePEG::RhoDMatrix
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
ThePEG::Helicity::outgoing
outgoing
ThePEG::Helicity::incoming
incoming
ThePEG
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
ThePEG::tPDVector
vector< tPDPtr > tPDVector
ThePEG::ParticleVector
vector< PPtr > ParticleVector
ThePEG::PDPtr
ThePEG::Ptr< ParticleData >::pointer PDPtr
ThePEG::PDPair
pair< PDPtr, PDPtr > PDPair
Generated on Thu Jun 20 2024 17:50:52 for Herwig by
1.9.6