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Herwig  7.2.1
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 
19 namespace Herwig {
20 using namespace ThePEG;
21 using Helicity::RFVVertexPtr;
22 
33 
34 public:
35 
40 
41 public:
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 void setDecayInfo(PDPtr incoming, PDPair outgoing,
69  vector<VertexBasePtr>,
70  map<ShowerInteraction,VertexBasePtr> &,
71  const vector<map<ShowerInteraction,VertexBasePtr> > &,
72  map<ShowerInteraction,VertexBasePtr>);
74 
75 public:
76 
83  void persistentOutput(PersistentOStream & os) const;
84 
90  void persistentInput(PersistentIStream & is, int version);
92 
99  static void Init();
100 
101 protected:
102 
109  virtual IBPtr clone() const;
110 
115  virtual IBPtr fullclone() const;
117 
118 private:
119 
124  FRVDecayer & operator=(const FRVDecayer &) = delete;
125 
126 private:
127 
131  vector<AbstractRFVVertexPtr> vertex_;
132 
136  vector<RFVVertexPtr> perturbativeVertex_;
137 
141  mutable RhoDMatrix rho_;
142 
146  mutable vector<SpinorWaveFunction> wave_ ;
147 
151  mutable vector<SpinorBarWaveFunction> wavebar_;
152 
156  mutable vector<RSSpinorWaveFunction> RSwave_ ;
157 
161  mutable vector<RSSpinorBarWaveFunction> RSwavebar_;
162 
166  mutable vector<VectorWaveFunction> vector_;
167 };
168 
169 }
170 
171 #endif /* HERWIG_FRVDecayer_H */
vector< VectorWaveFunction > vector_
Polarization vectors.
Definition: FRVDecayer.h:166
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
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.
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
vector< RFVVertexPtr > perturbativeVertex_
Pointer to the perturbative vertex.
Definition: FRVDecayer.h:136
pair< PDPtr, PDPtr > PDPair
vector< AbstractRFVVertexPtr > vertex_
Abstract pointer to AbstractFRVVertex.
Definition: FRVDecayer.h:131
ThePEG::Ptr< ParticleData >::pointer PDPtr
vector< SpinorWaveFunction > wave_
Spinor wavefunction.
Definition: FRVDecayer.h:146
vector< RSSpinorBarWaveFunction > RSwavebar_
Barred RS spinor wavefunction.
Definition: FRVDecayer.h:161
FRVDecayer()
The default constructor.
Definition: FRVDecayer.h:39
-*- C++ -*-
vector< SpinorBarWaveFunction > wavebar_
Barred spinor wavefunction.
Definition: FRVDecayer.h:151
vector< RSSpinorWaveFunction > RSwave_
RS Spinor wavefunction.
Definition: FRVDecayer.h:156
vector< PPtr > ParticleVector
RhoDMatrix rho_
Spin density matrix.
Definition: FRVDecayer.h:141