G4JAEAPolarizedElasticScatteringModel.hh

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/*/
Authors:
M. Omer and R. Hajima  on 15 November 2019
contact:
[email protected] and [email protected]
Publication Information:
1- M. Omer, R. Hajima, Validating polarization effects in gamma-rays elastic scattering by Monte
Carlo simulation, New J. Phys., vol. 21, 2019, pp. 113006 (1-10),
https://doi.org/10.1088/1367-2630/ab4d8a
*/
 
#ifndef G4JAEAPolarizedElasticScatteringModel_h
#define G4JAEAPolarizedElasticScatteringModel_h 1
 
#include "G4VEmModel.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4LPhysicsFreeVector.hh"
#include "G4ProductionCutsTable.hh"
#include "G4DataVector.hh"
 
 
 
class G4JAEAPolarizedElasticScatteringModel : public G4VEmModel
{
 
public:
 
  G4JAEAPolarizedElasticScatteringModel();
 
  virtual ~G4JAEAPolarizedElasticScatteringModel();
 
  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);
 
  inline void SetLowEnergyThreshold(G4double val){lowEnergyLimit = val;};
  inline void SetPolarizationSensitvity(G4bool,G4bool,G4bool);
  
  void SetDebugVerbosity(G4int val){verboseLevel = val;};
 
private:
 
    G4double distribution[181];
    G4double cdistribution[181];
    G4double pdf[181];
    G4double cdf[181];
 
  void ReadData(size_t Z, const char* path = 0);
 
  G4JAEAPolarizedElasticScatteringModel & operator=(const G4JAEAPolarizedElasticScatteringModel &right);
  G4JAEAPolarizedElasticScatteringModel(const G4JAEAPolarizedElasticScatteringModel&);
 
  G4bool isInitialised;
  G4int verboseLevel;
 
  G4double lowEnergyLimit;
  G4bool fLinearPolarizationSensitvity1;
  G4bool fLinearPolarizationSensitvity2;
  G4bool fCircularPolarizationSensitvity;
  static const G4int maxZ = 99;
  static G4LPhysicsFreeVector* dataCS[maxZ+1];
  static G4DataVector* Polarized_ES_Data[maxZ+1];
 
 
  G4ParticleChangeForGamma* fParticleChange;
 
  G4double GeneratePolarizedPhi(G4double Sigma_para,G4double Sigma_perp, G4double initial_Pol_Plane);
 
};
 
 
inline void G4JAEAPolarizedElasticScatteringModel::SetPolarizationSensitvity(G4bool linear1,G4bool linear2, G4bool circular)
{
fLinearPolarizationSensitvity1=linear1;
fLinearPolarizationSensitvity2=linear2;
fCircularPolarizationSensitvity=circular;
}
 
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#endif