include/Geant4/G4JAEAPolarizedElasticScatteringModel.hh

0001 //
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0025 //
0026 /*/
0027 Authors:
0028 M. Omer and R. Hajima  on 15 November 2019
0029 contact:
0030 omer.mohamed@jaea.go.jp and hajima.ryoichi@qst.go.jp
0031 Publication Information:
0032 1- M. Omer, R. Hajima, Validating polarization effects in gamma-rays elastic scattering by Monte
0033 Carlo simulation, New J. Phys., vol. 21, 2019, pp. 113006 (1-10),
0034 https://doi.org/10.1088/1367-2630/ab4d8a
0035 */
0036
0037 #ifndef G4JAEAPolarizedElasticScatteringModel_h
0038 #define G4JAEAPolarizedElasticScatteringModel_h 1
0039
0040 #include "G4VEmModel.hh"
0041 #include "G4ParticleChangeForGamma.hh"
0042 #include "G4PhysicsFreeVector.hh"
0043 #include "G4ProductionCutsTable.hh"
0044 #include "G4DataVector.hh"
0045
0046 class G4JAEAPolarizedElasticScatteringModel : public G4VEmModel
0047 {
0048 public:
0049   explicit G4JAEAPolarizedElasticScatteringModel();
0050   virtual ~G4JAEAPolarizedElasticScatteringModel();
0051
0052   void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
0053
0054   void InitialiseLocal(const G4ParticleDefinition*,
0055                G4VEmModel* masterModel) override;
0056
0057   void InitialiseForElement(const G4ParticleDefinition*, G4int Z) override;
0058
0059   G4double ComputeCrossSectionPerAtom(
0060                       const G4ParticleDefinition*,
0061                                       G4double kinEnergy,
0062                                       G4double Z,
0063                                       G4double A=0,
0064                                       G4double cut=0,
0065                                       G4double emax=DBL_MAX) override;
0066
0067   void SampleSecondaries(std::vector<G4DynamicParticle*>*,
0068              const G4MaterialCutsCouple*,
0069              const G4DynamicParticle*,
0070              G4double tmin,
0071              G4double maxEnergy) override;
0072
0073   inline void SetLowEnergyThreshold(G4double val){lowEnergyLimit = val;};
0074   inline void SetPolarizationSensitvity(G4bool,G4bool,G4bool);
0075
0076   void SetDebugVerbosity(G4int val){verboseLevel = val;};
0077
0078   G4JAEAPolarizedElasticScatteringModel & operator=(const G4JAEAPolarizedElasticScatteringModel &right) = delete;
0079   G4JAEAPolarizedElasticScatteringModel(const G4JAEAPolarizedElasticScatteringModel&) = delete;
0080
0081 private:
0082   void ReadData(std::size_t Z, const char* path = 0);
0083   G4double GeneratePolarizedPhi(G4double Sigma_para,G4double Sigma_perp, G4double initial_Pol_Plane);
0084
0085   static const G4int maxZ = 99;
0086   static G4PhysicsFreeVector* dataCS[maxZ+1];
0087   static G4DataVector* Polarized_ES_Data[maxZ+1];
0088   G4double distribution[181];
0089   G4double cdistribution[181];
0090
0091   G4ParticleChangeForGamma* fParticleChange;
0092   G4double lowEnergyLimit;
0093
0094   G4int verboseLevel;
0095
0096   G4bool fLinearPolarizationSensitvity1;
0097   G4bool fLinearPolarizationSensitvity2;
0098   G4bool fCircularPolarizationSensitvity;
0099   G4bool isInitialised;
0100 };
0101
0102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0103
0104 inline void G4JAEAPolarizedElasticScatteringModel::SetPolarizationSensitvity(G4bool linear1,
0105                                          G4bool linear2,
0106                                          G4bool circular)
0107 {
0108   fLinearPolarizationSensitvity1=linear1;
0109   fLinearPolarizationSensitvity2=linear2;
0110   fCircularPolarizationSensitvity=circular;
0111 }
0112
0113 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0114
0115 #endif