GeneralFFVVertex.h

// -*- C++ -*-
//
// GeneralFFVVertex.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 2003-2019 Peter Richardson, Leif Lonnblad
//
// ThePEG is licenced under version 3 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef ThePEG_GeneralFFVVertex_H
#define ThePEG_GeneralFFVVertex_H
//
// This is the declaration of the GeneralFFVVertex class.
 
#include <ThePEG/Helicity/Vertex/AbstractFFVVertex.h>
#include <ThePEG/Helicity/WaveFunction/VectorWaveFunction.h>
#include <ThePEG/Helicity/WaveFunction/SpinorWaveFunction.h>
#include <ThePEG/Helicity/WaveFunction/SpinorBarWaveFunction.h>
#include "GeneralFFVVertex.fh"
 
namespace ThePEG {
 
namespace Helicity{
 
class GeneralFFVVertex: public AbstractFFVVertex {
  
public:
  
  static void Init();
 
  Complex evaluate(Energy2 q2,const SpinorWaveFunction & sp1,
                   const SpinorBarWaveFunction & sbar2,const VectorWaveFunction & vec3);
 
  SpinorBarWaveFunction evaluate(Energy2 q2,int iopt,tcPDPtr out,
                                 const SpinorBarWaveFunction & sbar2,
                                 const VectorWaveFunction & vec3,
                                 complex<Energy> mass=-GeV, complex<Energy> width=-GeV);
 
  VectorWaveFunction evaluate(Energy2 q2,int iopt,tcPDPtr out,
                              const SpinorWaveFunction & sp1,
                              const SpinorBarWaveFunction & sbar2,
                              complex<Energy> mass=-GeV, complex<Energy> width=-GeV);
 
  SpinorWaveFunction evaluate(Energy2 q2,int iopt,tcPDPtr out,
                              const SpinorWaveFunction & sp1,
                              const VectorWaveFunction & vec3,
                              complex<Energy> mass=-GeV, complex<Energy> width=-GeV);
 
  virtual void setCoupling(Energy2 q2,tcPDPtr part1,
                           tcPDPtr part2,tcPDPtr part3)=0;
 
  virtual void setCoupling(Energy2,tcPDPtr,tcPDPtr,tcPDPtr,tcPDPtr) {
    assert(false);
  }
 
  const Complex & getLeft() { return _left; }
 
  const Complex & getRight() { return _right; }
 
  const complex<InvEnergy> getLeftSigma() { return _leftSigma; }
 
  const complex<InvEnergy> getRightSigma() { return _rightSigma; }
 
protected:
 
  void setLeft(const Complex & in) { _left = in; }
 
  void setRight(const Complex & in) { _right = in; }
 
  void  setLeftSigma(const complex<InvEnergy> & in) { _leftSigma  = in; }
 
  void setRightSigma(const complex<InvEnergy> & in) { _rightSigma = in; }
 
private:
  
  GeneralFFVVertex & operator=(const GeneralFFVVertex &) = delete;
  
private:
 
  Complex _left;
 
  Complex _right;
 
  complex<InvEnergy> _leftSigma;
 
  complex<InvEnergy> _rightSigma;
  
};
}
 
}
#endif /* ThePEG_GeneralFFVVertex_H */