PionPhotonCurrent.h

// -*- C++ -*-
#ifndef Herwig_PionPhotonCurrent_H
#define Herwig_PionPhotonCurrent_H
//
// This is the declaration of the PionPhotonCurrent class.
//
 
#include "WeakCurrent.h"
 
namespace Herwig {
 
using namespace ThePEG;
 
class PionPhotonCurrent: public WeakCurrent {
 
public:
  
  PionPhotonCurrent();
 
public:
 
  virtual bool createMode(int icharge, tcPDPtr resonance,
                          FlavourInfo flavour,
                          unsigned int imode,PhaseSpaceModePtr mode,
                          unsigned int iloc,int ires,
                          PhaseSpaceChannel phase, Energy upp );
 
  virtual tPDVector particles(int icharge, unsigned int imode, int iq, int ia);
 
  virtual vector<LorentzPolarizationVectorE> 
  current(tcPDPtr resonance,
          FlavourInfo flavour,
          const int imode, const int ichan,Energy & scale,
          const tPDVector & outgoing,
          const vector<Lorentz5Momentum> & momenta,
          DecayIntegrator::MEOption meopt) const;
 
  virtual void constructSpinInfo(ParticleVector decay) const;
 
  virtual bool accept(vector<int> id);
 
  virtual unsigned int decayMode(vector<int> id);
 
  virtual void dataBaseOutput(ofstream & os,bool header,bool create) 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 doinit();
 
private:
 
  PionPhotonCurrent & operator=(const PionPhotonCurrent &) = delete;
 
private:
 
  vector<Energy> resMasses_;
 
  vector<Energy> resWidths_;
 
  vector<InvEnergy> amp_;
 
  vector<double> phase_;
 
  vector<complex<InvEnergy> > couplings_;
 
  Energy mpi_;
};
 
}
 
#endif /* Herwig_PionPhotonCurrent_H */