G4ElectroVDNuclearModel.hh

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// $Id: $
//
// Author:  D.H. Wright
// Date:    1 May 2012
//
// Description: model for electron and positron interaction with nuclei
//              using the equivalent photon spectrum.  A real gamma is 
//              produced from the virtual photon spectrum and is then 
//              interacted hadronically by the Bertini cascade at low
//              energies.  At high energies the gamma is converted to a
//              pi0 and interacted with the FTFP model.

#ifndef G4ElectroVDNuclearModel_h
#define G4ElectroVDNuclearModel_h 1

#include "G4HadronicInteraction.hh"

class G4CascadeInterface;
class G4TheoFSGenerator;
class G4LundStringFragmentation;
class G4ExcitedStringDecay;
class G4ElectroNuclearCrossSection;
class G4PhotoNuclearCrossSection;

class G4ElectroVDNuclearModel : public G4HadronicInteraction
{
  public: 

    G4ElectroVDNuclearModel();
    ~G4ElectroVDNuclearModel();
    
    G4HadFinalState* ApplyYourself(const G4HadProjectile& aTrack,
                                   G4Nucleus& aTargetNucleus);

    virtual void ModelDescription(std::ostream& outFile) const;

  private:

    G4DynamicParticle* CalculateEMVertex(const G4HadProjectile& aTrack,
                                         G4Nucleus& aTargetNucleus);

    void CalculateHadronicVertex(G4DynamicParticle* incident,
                                 G4Nucleus& target);

    G4double leptonKE;
    G4double photonEnergy;
    G4double photonQ2;

    G4ElectroNuclearCrossSection* electroXS;
    G4PhotoNuclearCrossSection* gammaXS;

    G4TheoFSGenerator* ftfp;
    G4LundStringFragmentation* theFragmentation;
    G4ExcitedStringDecay* theStringDecay;
    G4CascadeInterface* bert;
};

#endif