Helicity/Vertex/AbstractRFVSVertex.h

0001 // -*- C++ -*-
0002 #ifndef ThePEG_AbstractRFVSVertex_H
0003 #define ThePEG_AbstractRFVSVertex_H
0004 //
0005 // This is the declaration of the AbstractRFVSVertex class.
0006 //
0007
0008 #include "VertexBase.h"
0009 #include "ThePEG/Helicity/WaveFunction/SpinorWaveFunction.h"
0010 #include "ThePEG/Helicity/WaveFunction/SpinorBarWaveFunction.h"
0011 #include "ThePEG/Helicity/WaveFunction/RSSpinorWaveFunction.h"
0012 #include "ThePEG/Helicity/WaveFunction/RSSpinorBarWaveFunction.h"
0013 #include "ThePEG/Helicity/WaveFunction/ScalarWaveFunction.h"
0014 #include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
0015 #include "AbstractRFVSVertex.fh"
0016
0017 namespace ThePEG {
0018 namespace Helicity {
0019
0020
0021 /**
0022  * The AbstractRFSVertex class provides a base class for all
0023  * spin-3/2 fermion-fermion-vector-scalar vertices in ThePEG.
0024  */
0025 class AbstractRFVSVertex: public VertexBase {
0026
0027 public:
0028
0029   /**
0030    * The default constructor.
0031    */
0032   AbstractRFVSVertex() : VertexBase(VertexType::RFVS) {}
0033
0034   /**
0035    * Members to calculate the helicity amplitude expressions for vertices
0036    * and off-shell particles.
0037    */
0038   //@{
0039   /**
0040    * Evalulate the vertex.
0041    * @param q2 The scale \f$q^2\f$ for the coupling at the vertex.
0042    * @param sp1   The wavefunction for the RS ferimon.
0043    * @param sbar2 The wavefunction for the antifermion.
0044    * @param vec3  The wavefunction for the vector.
0045    * @param sca4  The wavefunction for the scalar.
0046    */
0047   virtual Complex evaluate(Energy2 q2,const RSSpinorWaveFunction & sp1,
0048                const SpinorBarWaveFunction & sbar2,
0049                const VectorWaveFunction & vec3,
0050                const ScalarWaveFunction & sca4) = 0;
0051   /**
0052    * Evalulate the vertex.
0053    * @param q2 The scale \f$q^2\f$ for the coupling at the vertex.
0054    * @param sp1   The wavefunction for the ferimon.
0055    * @param sbar2 The wavefunction for the RS antifermion.
0056    * @param vec3  The wavefunction for the vector.
0057    * @param sca4  The wavefunction for the scalar.
0058    */
0059   virtual Complex evaluate(Energy2 q2,const SpinorWaveFunction & sp1,
0060                const RSSpinorBarWaveFunction & sbar2,
0061                const VectorWaveFunction & vec3,
0062                const ScalarWaveFunction & sca4) = 0;
0063   //@}
0064
0065 public:
0066
0067   /**
0068    * The standard Init function used to initialize the interfaces.
0069    * Called exactly once for each class by the class description system
0070    * before the main function starts or
0071    * when this class is dynamically loaded.
0072    */
0073   static void Init();
0074
0075 private:
0076
0077   /**
0078    * The assignment operator is private and must never be called.
0079    * In fact, it should not even be implemented.
0080    */
0081   AbstractRFVSVertex & operator=(const AbstractRFVSVertex &) = delete;
0082
0083 };
0084
0085 }
0086 }
0087
0088 #endif /* ThePEG_AbstractRFVSVertex_H */