/usr/include/ThePEG/Helicity/Vertex/AbstractVVVTVertex.h is in libthepeg-dev 1.8.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | // -*- C++ -*-
#ifndef HELICITY_AbstractVVVTVertex_H
#define HELICITY_AbstractVVVTVertex_H
//
// This is the declaration of the AbstractVVVTVertex class.
//
#include "VertexBase.h"
#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/TensorWaveFunction.h"
#include "AbstractVVVTVertex.fh"
namespace ThePEG {
namespace Helicity {
/**
* The AbstractVVVTVertex class is the base class for all vector-vector-vector-tensor
* interactions in ThePEG.
*/
class AbstractVVVTVertex: public VertexBase {
public:
/**
* Default constructor
*/
AbstractVVVTVertex() : VertexBase(VertexType::VVVT) {}
/**
* Members to calculate the helicity amplitude expressions for vertices
* and off-shell particles.
*/
//@{
/**
* Evalulate the vertex.
* @param q2 The scale \f$q^2\f$ for the coupling at the vertex.
* @param vec1 The wavefunction for the first vector.
* @param vec2 The wavefunction for the second vector.
* @param vec3 The wavefunction for the third vector.
* @param ten4 The wavefunction for the tensor.
*/
virtual Complex evaluate(Energy2 q2,const VectorWaveFunction & vec1,
const VectorWaveFunction & vec2,
const VectorWaveFunction & vec3,
const TensorWaveFunction & ten4) = 0;
/**
* Evaluate the off-shell tensor coming from the vertex.
* @param q2 The scale \f$q^2\f$ for the coupling at the vertex.
* @param iopt Option of the shape of the Breit-Wigner for the off-shell tensor.
* @param out The ParticleData pointer for the off-shell tensor.
* @param vec1 The wavefunction for the first vector.
* @param vec2 The wavefunction for the second vector.
* @param vec3 The wavefunction for the third vector.
* @param mass The mass of the off-shell particle if not taken from the ParticleData
* object
* @param width The width of the off-shell particle if not taken from the ParticleData
* object
*/
virtual TensorWaveFunction evaluate(Energy2 q2,int iopt, tcPDPtr out,
const VectorWaveFunction & vec1,
const VectorWaveFunction & vec2,
const VectorWaveFunction & vec3,
complex<Energy> mass=-GeV, complex<Energy> width=-GeV) = 0;
/**
* Evaluate the off-shell vector coming from the vertex.
* @param q2 The scale \f$q^2\f$ for the coupling at the vertex.
* @param iopt Option of the shape of the Breit-Wigner for the off-shell vector.
* @param out The ParticleData pointer for the off-shell vector.
* @param vec1 The wavefunction for the first vector.
* @param vec2 The wavefunction for the second vector.
* @param ten4 The wavefunction for the tensor.
* @param mass The mass of the off-shell particle if not taken from the ParticleData
* object
* @param width The width of the off-shell particle if not taken from the ParticleData
* object
*/
virtual VectorWaveFunction evaluate(Energy2 q2,int iopt, tcPDPtr out,
const VectorWaveFunction & vec1,
const VectorWaveFunction & vec2,
const TensorWaveFunction & ten4,
complex<Energy> mass=-GeV, complex<Energy> width=-GeV) = 0;
//@}
public:
/**
* The standard Init function used to initialize the interfaces.
* Called exactly once for each class by the class description system
* before the main function starts or
* when this class is dynamically loaded.
*/
static void Init();
private:
/**
* The static object used to initialize the description of this class.
* Indicates that this is an abstract class without persistent data.
*/
static AbstractNoPIOClassDescription<AbstractVVVTVertex> initAbstractVVVTVertex;
/**
* The assignment operator is private and must never be called.
* In fact, it should not even be implemented.
*/
AbstractVVVTVertex & operator=(const AbstractVVVTVertex &);
};
}
}
#include "ThePEG/Utilities/ClassTraits.h"
namespace ThePEG {
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the
* base classes of AbstractVVVTVertex. */
template <>
struct BaseClassTrait<Helicity::AbstractVVVTVertex,1> {
/** Typedef of the first base class of AbstractVVVTVertex. */
typedef Helicity::VertexBase NthBase;
};
/** This template specialization informs ThePEG about the name of
* the AbstractVVVTVertex class and the shared object where it is defined. */
template <>
struct ClassTraits<Helicity::AbstractVVVTVertex>
: public ClassTraitsBase<Helicity::AbstractVVVTVertex> {
/** Return a platform-independent class name */
static string className() { return "Helicity::AbstractVVVTVertex"; }
};
/** @endcond */
}
#endif /* HELICITY_AbstractVVVTVertex_H */
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