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//
#ifndef G4EMDissociationCrossSection_h
#define G4EMDissociationCrossSection_h 1
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//
// MODULE:		G4EMDissociationCrossSection.hh
//
// Version:		B.1
// Date:		15/04/04
// Author:		P R Truscott
// Organisation:	QinetiQ Ltd, UK
// Customer:		ESA/ESTEC, NOORDWIJK
// Contract:		17191/03/NL/LvH
//
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//
// CHANGE HISTORY
// --------------
//
// 17 October 2003, P R Truscott, QinetiQ Ltd, UK
// Created.
//
// 15 March 2004, P R Truscott, QinetiQ Ltd, UK
// Beta release
//
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
///////////////////////////////////////////////////////////////////////////////
//
#include "G4VCrossSectionDataSet.hh"
#include "G4DynamicParticle.hh"
#include "G4Element.hh"
#include "G4ParticleDefinition.hh"
#include "G4EMDissociationSpectrum.hh"
#include "G4PhysicsFreeVector.hh"
#include "globals.hh"

///////////////////////////////////////////////////////////////////////////////
//
class G4EMDissociationCrossSection : public G4VCrossSectionDataSet
{
  public:
    G4EMDissociationCrossSection ();
    ~G4EMDissociationCrossSection ();

    virtual G4bool IsApplicable (const G4DynamicParticle*, const G4Element*);
 
    virtual G4bool IsIsoApplicable(const G4DynamicParticle*, G4int ZZ, G4int AA);
 
    virtual G4double GetCrossSection (const G4DynamicParticle *,
      const G4Element *, G4double);
      
    virtual G4double GetZandACrossSection(const G4DynamicParticle*, 
                                          G4int ZZ, G4int AA, 
                                          G4double temperature);
      
    G4PhysicsFreeVector *GetCrossSectionForProjectile
      (G4double, G4double, G4double, G4double, G4double, G4double);
    G4PhysicsFreeVector *GetCrossSectionForTarget
      (G4double, G4double, G4double, G4double, G4double, G4double);
    G4double GetWilsonProbabilityForProtonDissociation
      (G4double, G4double);
    virtual void BuildPhysicsTable (const G4ParticleDefinition &)
    {}
    virtual void DumpPhysicsTable (const G4ParticleDefinition &)
    {G4cout << "G4EMDissociationCrossSection: uses formula" <<G4endl;}

  private:

  private:
    G4EMDissociationSpectrum *thePhotonSpectrum;
    G4double                 r0;
    G4double                 J;
    G4double                 Qprime;
    G4double                 epsilon;
    G4double                 xd;
};

#endif
