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Herwig 7.3.0
FRVDecayer.h
1// -*- C++ -*-
2//
3// FRVDecayer.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_FRVDecayer_H
10#define HERWIG_FRVDecayer_H
11//
12// This is the declaration of the FRVDecayer class.
13//
14
15#include "GeneralTwoBodyDecayer.h"
16#include "ThePEG/Repository/EventGenerator.h"
17#include "ThePEG/Helicity/Vertex/Vector/RFVVertex.h"
18
19namespace Herwig {
20using namespace ThePEG;
21using Helicity::RFVVertexPtr;
22
33
34public:
35
40
41public:
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,
64
65
72 virtual Energy partialWidth(PMPair inpart, PMPair outa,
73 PMPair outb) const;
74
79 vector<VertexBasePtr>,
80 map<ShowerInteraction,VertexBasePtr> &,
81 const vector<map<ShowerInteraction,VertexBasePtr> > &,
82 map<ShowerInteraction,VertexBasePtr>);
84
85public:
86
94
100 void persistentInput(PersistentIStream & is, int version);
102
109 static void Init();
110
111protected:
112
119 virtual IBPtr clone() const;
120
125 virtual IBPtr fullclone() const;
127
128private:
129
134 FRVDecayer & operator=(const FRVDecayer &) = delete;
135
136private:
137
141 vector<AbstractRFVVertexPtr> vertex_;
142
146 vector<RFVVertexPtr> perturbativeVertex_;
147
152
156 mutable vector<SpinorWaveFunction> wave_ ;
157
161 mutable vector<SpinorBarWaveFunction> wavebar_;
162
166 mutable vector<RSSpinorWaveFunction> RSwave_ ;
167
171 mutable vector<RSSpinorBarWaveFunction> RSwavebar_;
172
176 mutable vector<VectorWaveFunction> vector_;
177};
178
179}
180
181#endif /* HERWIG_FRVDecayer_H */
MEOption
Enum for the matrix element option.
The FRVDecayer class implements the decay of a fermion to a spin-3/2 fermion and a vector in a genera...
Definition: FRVDecayer.h:32
void persistentInput(PersistentIStream &is, int version)
Function used to read in object persistently.
vector< RFVVertexPtr > perturbativeVertex_
Pointer to the perturbative vertex.
Definition: FRVDecayer.h:146
virtual Energy partialWidth(PMPair inpart, PMPair outa, PMPair outb) const
Function to return partial Width.
vector< SpinorWaveFunction > wave_
Spinor wavefunction.
Definition: FRVDecayer.h:156
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
vector< AbstractRFVVertexPtr > vertex_
Abstract pointer to AbstractFRVVertex.
Definition: FRVDecayer.h:141
static void Init()
The standard Init function used to initialize the interfaces.
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.
FRVDecayer & operator=(const FRVDecayer &)=delete
The assignment operator is private and must never be called.
vector< VectorWaveFunction > vector_
Polarization vectors.
Definition: FRVDecayer.h:176
virtual IBPtr clone() const
Make a simple clone of this object.
vector< RSSpinorWaveFunction > RSwave_
RS Spinor wavefunction.
Definition: FRVDecayer.h:166
FRVDecayer()
The default constructor.
Definition: FRVDecayer.h:39
RhoDMatrix rho_
Spin density matrix.
Definition: FRVDecayer.h:151
void persistentOutput(PersistentOStream &os) const
Function used to write out object persistently.
vector< RSSpinorBarWaveFunction > RSwavebar_
Barred RS spinor wavefunction.
Definition: FRVDecayer.h:171
vector< SpinorBarWaveFunction > wavebar_
Barred spinor wavefunction.
Definition: FRVDecayer.h:161
virtual void constructSpinInfo(const Particle &part, ParticleVector outgoing) const
Construct the SpinInfos for the particles produced in the decay.
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.
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.
-*- C++ -*-
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
vector< tPDPtr > tPDVector
vector< PPtr > ParticleVector
ThePEG::Ptr< ParticleData >::pointer PDPtr
pair< PDPtr, PDPtr > PDPair