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ThePEG 2.3.0
VVSSVertex.h
1// -*- C++ -*-
2//
3// VVSSVertex.h is a part of ThePEG - Toolkit for HEP Event Generation
4// Copyright (C) 2003-2019 Peter Richardson, Leif Lonnblad
5//
6// ThePEG 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 ThePEG_VVSSVertex_H
10#define ThePEG_VVSSVertex_H
11//
12// This is the declaration of the VVSSVertex class.
13//
14#include "ThePEG/Helicity/Vertex/AbstractVVSSVertex.h"
15#include "ThePEG/Helicity/WaveFunction/ScalarWaveFunction.h"
16#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
17#include "VVSSVertex.fh"
18
19namespace ThePEG {
20namespace Helicity {
21
36
37public:
38
42 static void Init();
43
44public:
45
60 const VectorWaveFunction & vec2, const ScalarWaveFunction & sca3,
61 const ScalarWaveFunction & sca4);
62
77 const VectorWaveFunction & vec2,
78 const ScalarWaveFunction & sca3,
79 const ScalarWaveFunction & sca4,
80 complex<Energy> mass=-GeV, complex<Energy> width=-GeV);
81
96 const VectorWaveFunction & vec1,
97 const VectorWaveFunction & vec2,
98 const ScalarWaveFunction & sca3,
99 complex<Energy> mass=-GeV, complex<Energy> width=-GeV);
101
110 assert(false);
111 }
112
123 virtual void setCoupling(Energy2 q2,tcPDPtr part1,tcPDPtr part2,tcPDPtr part3,
124 tcPDPtr part4)=0;
126
127private:
128
132 VVSSVertex & operator=(const VVSSVertex &) = delete;
133
134};
135
136}
137
138}
139#endif /* ThePEG_VVSSVertex_H */
The AbstractVVSSVertex class is the base class for vector-vector-scalar-scalar interactions in ThePEG...
The VVSSVertex class is the implementation of the coupling of two vectors and two scalars.
Definition: VVSSVertex.h:35
Complex evaluate(Energy2 q2, const VectorWaveFunction &vec1, const VectorWaveFunction &vec2, const ScalarWaveFunction &sca3, const ScalarWaveFunction &sca4)
Members to calculate the helicity amplitude expressions for vertices and off-shell particles.
static void Init()
Standard Init function used to initialize the interfaces.
VectorWaveFunction evaluate(Energy2 q2, int iopt, tcPDPtr out, const VectorWaveFunction &vec2, const ScalarWaveFunction &sca3, const ScalarWaveFunction &sca4, complex< Energy > mass=-GeV, complex< Energy > width=-GeV)
Evaluate the off-shell vector coming from the vertex.
virtual void setCoupling(Energy2 q2, tcPDPtr part1, tcPDPtr part2, tcPDPtr part3, tcPDPtr part4)=0
Calculate the couplings for a four point interaction.
VVSSVertex & operator=(const VVSSVertex &)=delete
Private and non-existent assignment operator.
ScalarWaveFunction evaluate(Energy2 q2, int iopt, tcPDPtr out, const VectorWaveFunction &vec1, const VectorWaveFunction &vec2, const ScalarWaveFunction &sca3, complex< Energy > mass=-GeV, complex< Energy > width=-GeV)
Evaluate the off-shell scalar coming from the vertex.
virtual void setCoupling(Energy2, tcPDPtr, tcPDPtr, tcPDPtr)
Set coupling methods.
Definition: VVSSVertex.h:109
TransientConstRCPtr is a simple wrapper around a bare const pointer which can be assigned to and from...
Definition: RCPtr.h:696
This is the main namespace within which all identifiers in ThePEG are declared.
Definition: FactoryBase.h:28
std::complex< double > Complex
ThePEG code should use Complex for all complex scalars.
Definition: Complex.h:23