/usr/include/ThePEG/Helicity/Vertex/AbstractSSTVertex.h is in libthepeg-dev 1.8.0-3build1.
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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 | // -*- C++ -*-
#ifndef HELICITY_AbstractSSTVertex_H
#define HELICITY_AbstractSSTVertex_H
//
// This is the declaration of the AbstractSSTVertex class.
//
#include "VertexBase.h"
#include "ThePEG/Helicity/WaveFunction/ScalarWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/TensorWaveFunction.h"
#include "AbstractSSTVertex.fh"
namespace ThePEG {
namespace Helicity {
/**
* The AbstractSSTVertex class is the base class for
* scalar-scalar-tensor interactions in ThePEG
*/
class AbstractSSTVertex: public VertexBase {
public:
/**
* Default constructor
*/
AbstractSSTVertex() : VertexBase(VertexType::SST) {}
/**
* 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 sca1 The wavefunction for the first scalar.
* @param sca2 The wavefunction for the second scalar
* @param ten3 The wavefunction for the tensor.
*/
virtual Complex evaluate(Energy2 q2, const ScalarWaveFunction & sca1,
const ScalarWaveFunction & sca2,
const TensorWaveFunction & ten3) = 0;
/**
* Evaluate the off-shell scalar 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 scalar.
* @param out The ParticleData pointer for the off-shell scalar.
* @param sca1 The wavefunction for the first scalar.
* @param ten3 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 ScalarWaveFunction evaluate(Energy2 q2,int iopt,tcPDPtr out,
const ScalarWaveFunction & sca1,
const TensorWaveFunction & ten3,
complex<Energy> mass=-GeV, complex<Energy> width=-GeV) = 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 sca1 The wavefunction for the first scalar.
* @param sca2 The wavefunction for the second scalar.
* @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 ScalarWaveFunction & sca1,
const ScalarWaveFunction & sca2,
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<AbstractSSTVertex> initAbstractSSTVertex;
/**
* The assignment operator is private and must never be called.
* In fact, it should not even be implemented.
*/
AbstractSSTVertex & operator=(const AbstractSSTVertex &);
};
}
}
#include "ThePEG/Utilities/ClassTraits.h"
namespace ThePEG {
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the
* base classes of AbstractSSTVertex. */
template <>
struct BaseClassTrait<Helicity::AbstractSSTVertex,1> {
/** Typedef of the first base class of AbstractSSTVertex. */
typedef Helicity::VertexBase NthBase;
};
/** This template specialization informs ThePEG about the name of
* the AbstractSSTVertex class and the shared object where it is defined. */
template <>
struct ClassTraits<Helicity::AbstractSSTVertex>
: public ClassTraitsBase<Helicity::AbstractSSTVertex> {
/** Return a platform-independent class name */
static string className() { return "Helicity::AbstractSSTVertex"; }
};
/** @endcond */
}
#endif /* HELICITY_AbstractSSTVertex_H */
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