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/*
Authors:
M. Omer and R. Hajima  on   17 October 2016
contact:
omer.mohamed@jaea.go.jp and hajima.ryoichi@qst.go.jp
Publication Information:
1- M. Omer, R. Hajima, Including Delbrück scattering in Geant4,
Nucl. Instrum. Methods Phys. Res. Sect. B, vol. 405, 2017, pp. 43-49.,
https://doi.org/10.1016/j.nimb.2017.05.028
2- M. Omer, R. Hajima, Geant4 physics process for elastic scattering of gamma-rays,
JAEA Technical Report 2018-007, 2018.
https://doi.org/10.11484/jaea-data-code-2018-007
*/
//         on base of G4LivermoreRayleighModel
//

#ifndef G4JAEAElasticScattering_h
#define G4JAEAElasticScattering_h 1

#include "G4VEmProcess.hh"


class G4JAEAElasticScattering : public G4VEmProcess
{

public:
//Constructor
  G4JAEAElasticScattering(const G4String& processName ="JAEA_ES",
		      G4ProcessType type = fElectromagnetic);
//Destructor
  virtual ~G4JAEAElasticScattering();

  //true for gamma only
    G4bool IsApplicable(const G4ParticleDefinition&);


// Adding an enumerator to those included in G4EmProcessSubType to define sub-type of EM processes
// The last enumerator has a value of 24 so, G4JAEAElasticScattering should be 25 unless change in
// order to be made by Geant4 team. Temporarily, the enum is assigned as 11 of G4RayleighScattering.


enum G4EmProcessSubType
{fG4JAEAElasticScattering=11};

  // Print few lines of informations about the process: validity range,
  virtual void PrintInfo();

protected:

  virtual void InitialiseProcess(const G4ParticleDefinition*);

private:

  G4bool isInitialised;

};


//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
#endif
