BaryonFactorizedDecayer.h

// -*- C++ -*-
#ifndef HERWIG_BaryonFactorizedDecayer_H
#define HERWIG_BaryonFactorizedDecayer_H
//
// This is the declaration of the BaryonFactorizedDecayer class.
//
 
#include "Herwig/Decay/DecayIntegrator.h"
#include "Herwig/Decay/WeakCurrents/WeakCurrent.h"
#include "Herwig/Decay/FormFactors/BaryonFormFactor.h"
#include "ThePEG/StandardModel/StandardModelBase.h"
#include "ThePEG/Helicity/LorentzPolarizationVector.h"
#include "Herwig/Decay/PhaseSpaceMode.h"
#include "Herwig/Models/StandardModel/StandardCKM.h"
#include "ThePEG/Helicity/LorentzRSSpinorBar.h"
 
namespace Herwig {
using namespace ThePEG;
 
class BaryonFactorizedDecayer: public DecayIntegrator {
 
public:
 
  BaryonFactorizedDecayer();
 
  virtual bool accept(tcPDPtr parent, const tPDVector & children) const;
 
  virtual int modeNumber(bool & cc, tcPDPtr parent, 
                         const tPDVector & children) const;
 
  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 void dataBaseOutput(ofstream & os,bool header) const;
 
protected:
 
  double halfHalf(const int ichan,
                  const Particle & part,
                  const tPDVector & outgoing,
                  const vector<Lorentz5Momentum> & momenta,
                  MEOption meopt) const;
 
  double halfThreeHalf(const int ichan,
                       const Particle & part,
                       const tPDVector & outgoing,
                       const vector<Lorentz5Momentum> & momenta,
                       MEOption meopt) const;
  
public:
 
  void persistentOutput(PersistentOStream & os) const;
 
  void persistentInput(PersistentIStream & is, int version);
 
  static void Init();
 
protected:
 
  virtual IBPtr clone() const {return new_ptr(*this);}
 
  virtual IBPtr fullclone() const {return new_ptr(*this);}
 
protected:
 
 
  virtual void doinit();
 
  virtual void doinitrun();
 
private:
 
  void findModes(unsigned int imode,
                 tPDVector & incoming,
                 vector<tPDVector> & outgoing,
                 vector<unsigned int> & loc,vector<bool> & cc);
 
private:
 
  BaryonFactorizedDecayer & operator=(const BaryonFactorizedDecayer &) = delete;
 
private:
 
  WeakCurrentPtr _current;
 
  BaryonFormFactorPtr _form;
 
  double _a1b;
 
  double _a2b;
 
  double _a1c;
 
  double _a2c;
 
  vector<vector<unsigned int> > _currentmap;
 
  vector<vector<unsigned int> > _formmap;
 
  vector<vector <Complex> > _factCKM;
 
  vector<int> _wgtloc;
 
  vector<double> _wgtmax;
 
  vector<double> _weights;
 
  Ptr<StandardCKM>::pointer _theCKM;
 
  mutable RhoDMatrix _rho;
 
  mutable vector<LorentzSpinor<SqrtEnergy> > _inHalf;
 
  mutable vector<LorentzSpinorBar<SqrtEnergy> > _inHalfBar;
 
  mutable vector<LorentzRSSpinor<SqrtEnergy> > _inThreeHalf;
 
  mutable vector<LorentzRSSpinorBar<SqrtEnergy> > _inThreeHalfBar;
};
 
}
 
#endif /* HERWIG_BaryonFactorizedDecayer_H */