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Herwig 7.3.0
FRSDecayer.h
1// -*- C++ -*-
2//
3// FRSDecayer.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_FRSDecayer_H
10#define HERWIG_FRSDecayer_H
11//
12// This is the declaration of the FRSDecayer 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 FRSDecayer & operator=(const FRSDecayer &) = delete;
132
133private:
134
138 vector<AbstractRFSVertexPtr> vertex_;
139
143 vector<RFSVertexPtr> perturbativeVertex_;
144
149
153 mutable vector<SpinorWaveFunction> wave_ ;
154
158 mutable vector<SpinorBarWaveFunction> wavebar_;
159
163 mutable vector<RSSpinorWaveFunction> RSwave_ ;
164
168 mutable vector<RSSpinorBarWaveFunction> RSwavebar_;
169};
170
171}
172
173#endif /* HERWIG_FRSDecayer_H */
MEOption
Enum for the matrix element option.
The FRSDecayer class implements the decay of a fermion to a spin-3/2 fermion and a vector in a genera...
Definition: FRSDecayer.h:32
vector< RFSVertexPtr > perturbativeVertex_
Pointer to the perturbative vertex.
Definition: FRSDecayer.h:143
virtual void constructSpinInfo(const Particle &part, ParticleVector outgoing) const
Construct the SpinInfos for the particles produced in the decay.
virtual Energy partialWidth(PMPair inpart, PMPair outa, PMPair outb) const
Function to return partial Width.
void persistentOutput(PersistentOStream &os) const
Function used to write out object persistently.
vector< RSSpinorWaveFunction > RSwave_
RS Spinor wavefunctions.
Definition: FRSDecayer.h:163
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
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< RSSpinorBarWaveFunction > RSwavebar_
Barred RS spinor wavefunctions.
Definition: FRSDecayer.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: FRSDecayer.h:148
vector< SpinorWaveFunction > wave_
Spinor wavefunctions.
Definition: FRSDecayer.h:153
static void Init()
The standard Init function used to initialize the interfaces.
virtual IBPtr clone() const
Make a simple clone of this object.
vector< AbstractRFSVertexPtr > vertex_
Abstract pointer to AbstractFRSVertex.
Definition: FRSDecayer.h:138
void persistentInput(PersistentIStream &is, int version)
Function used to read in object persistently.
FRSDecayer & operator=(const FRSDecayer &)=delete
The assignment operator is private and must never be called.
FRSDecayer()
The default constructor.
Definition: FRSDecayer.h:39
vector< SpinorBarWaveFunction > wavebar_
Barred spinor wavefunctions.
Definition: FRSDecayer.h:158
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