herwig is hosted by Hepforge, IPPP Durham
Herwig 7.3.0
SRFDecayer.h
1// -*- C++ -*-
2//
3// SRFDecayer.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_SRFDecayer_H
10#define HERWIG_SRFDecayer_H
11//
12// This is the declaration of the SRFDecayer class.
13//
14
15#include "GeneralTwoBodyDecayer.h"
16#include "ThePEG/Repository/EventGenerator.h"
17#include "ThePEG/Helicity/Vertex/Scalar/RFSVertex.h"
18
19namespace Herwig {
20using namespace ThePEG;
21using Helicity::RFSVertexPtr;
22
33
34public:
35
40
52 double me2(const int ichan,const Particle & part,
53 const tPDVector & outgoing,
54 const vector<Lorentz5Momentum> & momenta,
55 MEOption meopt) const;
56
60 virtual void constructSpinInfo(const Particle & part,
62
69 virtual Energy partialWidth(PMPair inpart, PMPair outa,
70 PMPair outb) const;
71
76 vector<VertexBasePtr>,
77 map<ShowerInteraction,VertexBasePtr> &,
78 const vector<map<ShowerInteraction,VertexBasePtr> > &,
79 map<ShowerInteraction,VertexBasePtr>);
81
82public:
83
91
97 void persistentInput(PersistentIStream & is, int version);
99
106 static void Init();
107
108protected:
109
116 virtual IBPtr clone() const;
117
122 virtual IBPtr fullclone() const;
124
125private:
126
131 SRFDecayer & operator=(const SRFDecayer &) = delete;
132
133private:
134
138 vector<AbstractRFSVertexPtr> vertex_;
139
143 vector<RFSVertexPtr> perturbativeVertex_;
144
149
154
158 mutable vector<SpinorWaveFunction> wave_;
159
163 mutable vector<SpinorBarWaveFunction> wavebar_;
164
168 mutable vector<RSSpinorWaveFunction> RSwave_;
169
173 mutable vector<RSSpinorBarWaveFunction> RSwavebar_;
174
175
176};
177
178}
179
180#endif /* HERWIG_SRFDecayer_H */
MEOption
Enum for the matrix element option.
The GeneralTwoBodyDecayer class is designed to be the base class for 2 body decays for some general m...
pair< tcPDPtr, Energy > PMPair
A ParticleData ptr and (possible) mass pair.
The SRFDecayer class implements the decay of a scalar to spin-3/2 and spin-1/2 fermion in a general m...
Definition: SRFDecayer.h:32
static void Init()
The standard Init function used to initialize the interfaces.
vector< AbstractRFSVertexPtr > vertex_
Abstract pointer to AbstractFFSVertex.
Definition: SRFDecayer.h:138
virtual void constructSpinInfo(const Particle &part, ParticleVector outgoing) const
Construct the SpinInfos for the particles produced in the decay.
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.
vector< RSSpinorWaveFunction > RSwave_
RS Spinor wavefunction.
Definition: SRFDecayer.h:168
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.
RhoDMatrix rho_
Spin density matrix.
Definition: SRFDecayer.h:148
SRFDecayer & operator=(const SRFDecayer &)=delete
The assignment operator is private and must never be called.
vector< SpinorBarWaveFunction > wavebar_
Barred spinor wavefunction.
Definition: SRFDecayer.h:163
ScalarWaveFunction swave_
Scalar wavefunction.
Definition: SRFDecayer.h:153
SRFDecayer()
The default constructor.
Definition: SRFDecayer.h:39
virtual IBPtr clone() const
Make a simple clone of this object.
vector< RSSpinorBarWaveFunction > RSwavebar_
Barred RS spinor wavefunction.
Definition: SRFDecayer.h:173
vector< RFSVertexPtr > perturbativeVertex_
Pointer to the perturbative vertex.
Definition: SRFDecayer.h:143
vector< SpinorWaveFunction > wave_
Spinor wavefunction.
Definition: SRFDecayer.h:158
void persistentInput(PersistentIStream &is, int version)
Function used to read in object persistently.
void persistentOutput(PersistentOStream &os) const
Function used to write out object persistently.
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
virtual Energy partialWidth(PMPair inpart, PMPair outa, PMPair outb) const
Function to return partial Width.
-*- C++ -*-
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
vector< tPDPtr > tPDVector
vector< PPtr > ParticleVector
ThePEG::Ptr< ParticleData >::pointer PDPtr
pair< PDPtr, PDPtr > PDPair