FtoFFFDecayer.h

// -*- C++ -*-
#ifndef HERWIG_FtoFFFDecayer_H
#define HERWIG_FtoFFFDecayer_H
//
// This is the declaration of the FtoFFFDecayer class.
//
 
#include "GeneralThreeBodyDecayer.h"
#include "ThePEG/Helicity/Vertex/AbstractFFSVertex.h"
#include "ThePEG/Helicity/Vertex/AbstractFFVVertex.h"
#include "ThePEG/Helicity/Vertex/AbstractFFTVertex.h"
 
namespace Herwig {
using namespace ThePEG;
 
class FtoFFFDecayer: public GeneralThreeBodyDecayer {
 
public:
  
  double me2(const int ichan,const Particle & part,
             const tPDVector & outgoing,
             const vector<Lorentz5Momentum> & momenta,
             MEOption meopt) const;
 
  virtual void constructSpinInfo(const Particle & part,
                                 ParticleVector outgoing) const;
  
  virtual WidthCalculatorBasePtr threeBodyMEIntegrator(const DecayMode & dm) const;
 
public:
  void persistentOutput(PersistentOStream & os) const;
 
  void persistentInput(PersistentIStream & is, int version);
 
  static void Init();
 
protected:
 
  virtual IBPtr clone() const;
 
  virtual IBPtr fullclone() const;
 
protected:
 
  virtual void setupDiagrams(bool checkKinematics);
 
private:
 
  FtoFFFDecayer & operator=(const FtoFFFDecayer &) = delete;
 
private:
  
  vector<pair<AbstractFFSVertexPtr, AbstractFFSVertexPtr> > sca_;
 
  vector<pair<AbstractFFVVertexPtr, AbstractFFVVertexPtr> > vec_;
 
  vector<pair<AbstractFFTVertexPtr, AbstractFFTVertexPtr> > ten_;
 
  mutable RhoDMatrix rho_;
 
  mutable pair<vector<SpinorWaveFunction>,vector<SpinorBarWaveFunction> > inwave_;
 
  mutable pair<vector<SpinorWaveFunction>,vector<SpinorBarWaveFunction> > outwave_[3];
};
 
}
 
#endif /* HERWIG_FtoFFFDecayer_H */