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ThePEG 2.3.0
VVSVertex.h
1// -*- C++ -*-
2//
3// VVSVertex.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_VVSVertex_H
10#define ThePEG_VVSVertex_H
11//
12// This is the declaration of the VVSVertex class.
13
14#include "ThePEG/Helicity/Vertex/AbstractVVSVertex.h"
15#include "ThePEG/Helicity/WaveFunction/ScalarWaveFunction.h"
16#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
17#include "VVSVertex.fh"
18
19namespace ThePEG {
20namespace Helicity {
21
37
38public:
39
43 static void Init();
44
45public:
46
60 const VectorWaveFunction & vec2, const ScalarWaveFunction & sca3);
61
75 const VectorWaveFunction & vec2,
76 const ScalarWaveFunction & sca3,
77 complex<Energy> mass=-GeV, complex<Energy> width=-GeV);
78
92 const VectorWaveFunction & vec1,
93 const VectorWaveFunction & vec2,
94 complex<Energy> mass=-GeV, complex<Energy> width=-GeV);
96
110 virtual void setCoupling(Energy2 q2,tcPDPtr part1,
111 tcPDPtr part2,tcPDPtr part3)=0;
112
119 assert(false);
120 }
122
123private:
124
128 VVSVertex & operator=(const VVSVertex &) = delete;
129
130};
131
132}
133
134}
135#endif /* ThePEG_VVSVertex_H */
Here is the documentation of the AbstractVVSVertex class.
The VVSVertex class is the implementation of the vector-vector-scalar.
Definition: VVSVertex.h:36
virtual void setCoupling(Energy2 q2, tcPDPtr part1, tcPDPtr part2, tcPDPtr part3)=0
Set coupling methods.
VVSVertex & operator=(const VVSVertex &)=delete
Private and non-existent assignment operator.
virtual void setCoupling(Energy2, tcPDPtr, tcPDPtr, tcPDPtr, tcPDPtr)
Dummy setCouplings for a four point interaction This method is virtual and must be implemented in cla...
Definition: VVSVertex.h:118
VectorWaveFunction evaluate(Energy2 q2, int iopt, tcPDPtr out, const VectorWaveFunction &vec2, const ScalarWaveFunction &sca3, complex< Energy > mass=-GeV, complex< Energy > width=-GeV)
Evaluate the off-shell vector coming from the vertex.
ScalarWaveFunction evaluate(Energy2 q2, int iopt, tcPDPtr out, const VectorWaveFunction &vec1, const VectorWaveFunction &vec2, complex< Energy > mass=-GeV, complex< Energy > width=-GeV)
Evaluate the off-shell scalar coming from the vertex.
Complex evaluate(Energy2 q2, const VectorWaveFunction &vec1, const VectorWaveFunction &vec2, const ScalarWaveFunction &sca3)
Members to calculate the helicity amplitude expressions for vertices and off-shell particles.
static void Init()
Standard Init function used to initialize the interfaces.
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