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is hosted by
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ThePEG
2.3.0
Helicity
Vertex
Vector
VVVVertex.h
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// -*- C++ -*-
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//
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// VVVVertex.h is a part of ThePEG - Toolkit for HEP Event Generation
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// Copyright (C) 2003-2019 Peter Richardson, Leif Lonnblad
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//
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// ThePEG is licenced under version 3 of the GPL, see COPYING for details.
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// Please respect the MCnet academic guidelines, see GUIDELINES for details.
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//
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#ifndef ThePEG_VVVVertex_H
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#define ThePEG_VVVVertex_H
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//
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// This is the declaration of the VVVVertex class.
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#include "ThePEG/Helicity/Vertex/AbstractVVVVertex.h"
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#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
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#include "VVVVertex.fh"
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namespace
ThePEG
{
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namespace
Helicity{
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class
VVVVertex
:
public
AbstractVVVVertex
{
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public
:
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static
void
Init
();
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public
:
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Complex
evaluate
(
Energy2
q2,
const
VectorWaveFunction
& vec1,
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const
VectorWaveFunction
& vec2,
const
VectorWaveFunction
& vec3);
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VectorWaveFunction
evaluate
(
Energy2
q2,
int
iopt,
tcPDPtr
out,
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const
VectorWaveFunction
& vec2,
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const
VectorWaveFunction
& vec3,
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complex<Energy> mass=-GeV, complex<Energy> width=-GeV);
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virtual
void
setCoupling
(
Energy2
q2,
tcPDPtr
part1,
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tcPDPtr
part2,
tcPDPtr
part3)=0;
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virtual
void
setCoupling
(
Energy2
,
tcPDPtr
,
tcPDPtr
,
tcPDPtr
,
tcPDPtr
) {
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assert(
false
);
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}
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private
:
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VVVVertex
&
operator=
(
const
VVVVertex
&) =
delete
;
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};
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}
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}
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#endif
/* ThePEG_VVVVertex_H */
ThePEG::Helicity::AbstractVVVVertex
The AbstractVVVVertex class provides the base class for all vector-vector-vector interactions in TheP...
Definition:
AbstractVVVVertex.h:19
ThePEG::Helicity::VVVVertex
The VVVVertex class is the base class for triple vector vertices using the perturbative form.
Definition:
VVVVertex.h:39
ThePEG::Helicity::VVVVertex::evaluate
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.
ThePEG::Helicity::VVVVertex::Init
static void Init()
Standard Init function used to initialize the interfaces.
ThePEG::Helicity::VVVVertex::setCoupling
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
ThePEG::Helicity::VVVVertex::evaluate
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.
ThePEG::Helicity::VVVVertex::setCoupling
virtual void setCoupling(Energy2 q2, tcPDPtr part1, tcPDPtr part2, tcPDPtr part3)=0
Set coupling methods.
ThePEG::Helicity::VVVVertex::operator=
VVVVertex & operator=(const VVVVertex &)=delete
Private and non-existent assignment operator.
ThePEG::Helicity::VectorWaveFunction
Definition:
VectorWaveFunction.h:50
ThePEG::Pointer::TransientConstRCPtr
TransientConstRCPtr is a simple wrapper around a bare const pointer which can be assigned to and from...
Definition:
RCPtr.h:696
ThePEG::Qty< 0, 2, 0 >
ThePEG
This is the main namespace within which all identifiers in ThePEG are declared.
Definition:
FactoryBase.h:28
ThePEG::Complex
std::complex< double > Complex
ThePEG code should use Complex for all complex scalars.
Definition:
Complex.h:23
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