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ThePEG 2.3.0
VVVVertex.h
1// -*- C++ -*-
2//
3// VVVVertex.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_VVVVertex_H
10#define ThePEG_VVVVertex_H
11//
12// This is the declaration of the VVVVertex class.
13
14#include "ThePEG/Helicity/Vertex/AbstractVVVVertex.h"
15#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
16#include "VVVVertex.fh"
17
18namespace ThePEG {
19namespace Helicity{
20
40
41public:
42
46 static void Init();
47
48public:
49
63 const VectorWaveFunction & vec2, const VectorWaveFunction & vec3);
64
78 const VectorWaveFunction & vec2,
79 const VectorWaveFunction & vec3,
80 complex<Energy> mass=-GeV, complex<Energy> width=-GeV);
82
96 virtual void setCoupling(Energy2 q2,tcPDPtr part1,
97 tcPDPtr part2,tcPDPtr part3)=0;
98
105 assert(false);
106 }
108
109private:
110
114 VVVVertex & operator=(const VVVVertex &) = delete;
115
116};
117
118}
119
120}
121#endif /* ThePEG_VVVVertex_H */
The AbstractVVVVertex class provides the base class for all vector-vector-vector interactions in TheP...
The VVVVertex class is the base class for triple vector vertices using the perturbative form.
Definition: VVVVertex.h:39
Complex evaluate(Energy2 q2, const VectorWaveFunction &vec1, const VectorWaveFunction &vec2, const VectorWaveFunction &vec3)
Members to calculate the helicity amplitude expressions for vertices and off-shell particles.
static void Init()
Standard Init function used to initialize the interfaces.
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: VVVVertex.h:104
VectorWaveFunction evaluate(Energy2 q2, int iopt, tcPDPtr out, const VectorWaveFunction &vec2, const VectorWaveFunction &vec3, 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)=0
Set coupling methods.
VVVVertex & operator=(const VVVVertex &)=delete
Private and non-existent assignment operator.
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