/usr/include/ThePEG/Helicity/Vertex/AbstractRFVVertex.h is in libthepeg-dev 1.8.0-1.
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#ifndef HELICITY_AbstractRFVVertex_H
#define HELICITY_AbstractRFVVertex_H
//
// This is the declaration of the AbstractRFVVertex class.
//
#include "VertexBase.h"
#include "ThePEG/Helicity/WaveFunction/SpinorWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/SpinorBarWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/RSSpinorWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/RSSpinorBarWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
#include "AbstractRFVVertex.fh"
namespace ThePEG {
namespace Helicity {
/**
* The AbstractRFVVertex class provides a base class for all
* spin-3/2 fermion-fermion-vector vertices in ThePEG.
*/
class AbstractRFVVertex: public VertexBase {
public:
/**
* Default constructor
*/
AbstractRFVVertex() : VertexBase(VertexType::RFV) {}
/**
* 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 sp1 The wavefunction for the RS ferimon.
* @param sbar2 The wavefunction for the antifermion.
* @param vec3 The wavefunction for the vector.
*/
virtual Complex evaluate(Energy2 q2,const RSSpinorWaveFunction & sp1,
const SpinorBarWaveFunction & sbar2,
const VectorWaveFunction & vec3) = 0;
/**
* Evalulate the vertex.
* @param q2 The scale \f$q^2\f$ for the coupling at the vertex.
* @param sp1 The wavefunction for the ferimon.
* @param sbar2 The wavefunction for the RS antifermion.
* @param vec3 The wavefunction for the vector.
*/
virtual Complex evaluate(Energy2 q2,const SpinorWaveFunction & sp1,
const RSSpinorBarWaveFunction & sbar2,
const VectorWaveFunction & vec3) = 0;
/**
* Evaluate the off-shell barred spinor 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 barred spinor.
* @param out The ParticleData pointer for the off-shell barred spinor.
* @param sbar2 The wavefunction for the antifermion.
* @param vec3 The wavefunction for the 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 SpinorBarWaveFunction evaluate(Energy2 q2,int iopt,tcPDPtr out,
const RSSpinorBarWaveFunction & sbar2,
const VectorWaveFunction & vec3,
complex<Energy> mass=-GeV, complex<Energy> width=-GeV) = 0;
/**
* Evaluate the off-shell barred spinor 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 barred spinor.
* @param out The ParticleData pointer for the off-shell barred spinor.
* @param sbar2 The wavefunction for the antifermion.
* @param vec3 The wavefunction for the 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 RSSpinorBarWaveFunction evaluate(Energy2 q2,int iopt,tcPDPtr out,
const SpinorBarWaveFunction & sbar2,
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 sp1 The wavefunction for the ferimon.
* @param sbar2 The wavefunction for the antifermion.
* @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 RSSpinorWaveFunction & sp1,
const SpinorBarWaveFunction & sbar2,
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 sp1 The wavefunction for the ferimon.
* @param sbar2 The wavefunction for the antifermion.
* @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 SpinorWaveFunction & sp1,
const RSSpinorBarWaveFunction & sbar2,
complex<Energy> mass=-GeV, complex<Energy> width=-GeV) = 0;
/**
* Evaluate the off-shell spinor 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 spinor.
* @param out The ParticleData pointer for the off-shell spinor.
* @param sp1 The wavefunction for the ferimon.
* @param vec3 The wavefunction for the 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 SpinorWaveFunction evaluate(Energy2 q2,int iopt,tcPDPtr out,
const RSSpinorWaveFunction & sp1,
const VectorWaveFunction & vec3,
complex<Energy> mass=-GeV, complex<Energy> width=-GeV) = 0;
/**
* Evaluate the off-shell spinor 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 spinor.
* @param out The ParticleData pointer for the off-shell spinor.
* @param sp1 The wavefunction for the ferimon.
* @param vec3 The wavefunction for the 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 RSSpinorWaveFunction evaluate(Energy2 q2,int iopt,tcPDPtr out,
const SpinorWaveFunction & sp1,
const VectorWaveFunction & vec3,
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<AbstractRFVVertex> initAbstractRFVVertex;
/**
* The assignment operator is private and must never be called.
* In fact, it should not even be implemented.
*/
AbstractRFVVertex & operator=(const AbstractRFVVertex &);
};
}
}
#include "ThePEG/Utilities/ClassTraits.h"
namespace ThePEG {
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the
* base classes of AbstractRFVVertex. */
template <>
struct BaseClassTrait<Helicity::AbstractRFVVertex,1> {
/** Typedef of the first base class of AbstractRFVVertex. */
typedef Helicity::VertexBase NthBase;
};
/** This template specialization informs ThePEG about the name of
* the AbstractRFVVertex class and the shared object where it is defined. */
template <>
struct ClassTraits<Helicity::AbstractRFVVertex>
: public ClassTraitsBase<Helicity::AbstractRFVVertex> {
/** Return a platform-independent class name */
static string className() { return "Helicity::AbstractRFVVertex"; }
};
/** @endcond */
}
#endif /* HELICITY_AbstractRFVVertex_H */
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