G4JAEAElasticScatteringModel.hh

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/*
Author:
M. Omer and R. Hajima  on   17 October 2016
contact:
[email protected] and [email protected]
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 G4JAEAElasticScatteringModel_h
#define G4JAEAElasticScatteringModel_h 1
 
#include "G4VEmModel.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4LPhysicsFreeVector.hh"
#include "G4ProductionCutsTable.hh"
#include "G4DataVector.hh"
 
 
 
class G4JAEAElasticScatteringModel : public G4VEmModel
{
 
public:
 
  G4JAEAElasticScatteringModel();
 
  virtual ~G4JAEAElasticScatteringModel();
 
  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
 
  virtual void InitialiseLocal(const G4ParticleDefinition*,
                   G4VEmModel* masterModel);
 
  virtual void InitialiseForElement(const G4ParticleDefinition*, G4int Z);
 
  virtual G4double ComputeCrossSectionPerAtom(
                                const G4ParticleDefinition*,
                                      G4double kinEnergy,
                                      G4double Z,
                                      G4double A=0,
                                      G4double cut=0,
                                      G4double emax=DBL_MAX);
 
  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
                 const G4MaterialCutsCouple*,
                 const G4DynamicParticle*,
                 G4double tmin,
                 G4double maxEnergy);
 
  void SetLowEnergyThreshold(G4double val){lowEnergyLimit = val;};
  void SetDebugVerbosity(G4int val){verboseLevel = val;};
 
private:
  G4double distribution[181];
  G4double pdf[181];
  G4double cdf[181];
 
  void ReadData(size_t Z, const char* path = 0);
 
  G4JAEAElasticScatteringModel & operator=(const G4JAEAElasticScatteringModel &right);
  G4JAEAElasticScatteringModel(const G4JAEAElasticScatteringModel&);
 
  G4bool isInitialised;
  G4int verboseLevel;
 
  G4double lowEnergyLimit;
 
  static const G4int maxZ = 99;
  static G4LPhysicsFreeVector* dataCS[maxZ+1];
  static G4DataVector* ES_Data[maxZ+1];
  G4ParticleChangeForGamma* fParticleChange;
 
};
 
 
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#endif