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26 /*/
27 Authors:
28 M. Omer and R. Hajima on 15 November 2019
29 contact:
30 omer.mohamed@jaea.go.jp and hajima.ryoichi@qst.go.jp
31 Publication Information:
32 1- M. Omer, R. Hajima, Validating polarization effects in gamma-rays elastic scattering by Monte
33 Carlo simulation, New J. Phys., vol. 21, 2019, pp. 113006 (1-10),
34 https://doi.org/10.1088/1367-2630/ab4d8a
35 */
36
37 #ifndef G4JAEAPolarizedElasticScatteringModel_h
38 #define G4JAEAPolarizedElasticScatteringModel_h 1
39
40 #include "G4VEmModel.hh"
41 #include "G4ParticleChangeForGamma.hh"
42 #include "G4PhysicsFreeVector.hh"
43 #include "G4ProductionCutsTable.hh"
44 #include "G4DataVector.hh"
45
46 class G4JAEAPolarizedElasticScatteringModel : public G4VEmModel
47 {
48 public:
49 explicit G4JAEAPolarizedElasticScatteringModel();
50 virtual ~G4JAEAPolarizedElasticScatteringModel();
51
52 void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
53
54 void InitialiseLocal(const G4ParticleDefinition*,
55 G4VEmModel* masterModel) override;
56
57 void InitialiseForElement(const G4ParticleDefinition*, G4int Z) override;
58
59 G4double ComputeCrossSectionPerAtom(
60 const G4ParticleDefinition*,
61 G4double kinEnergy,
62 G4double Z,
63 G4double A=0,
64 G4double cut=0,
65 G4double emax=DBL_MAX) override;
66
67 void SampleSecondaries(std::vector<G4DynamicParticle*>*,
68 const G4MaterialCutsCouple*,
69 const G4DynamicParticle*,
70 G4double tmin,
71 G4double maxEnergy) override;
72
73 inline void SetLowEnergyThreshold(G4double val){lowEnergyLimit = val;};
74 inline void SetPolarizationSensitvity(G4bool,G4bool,G4bool);
75
76 void SetDebugVerbosity(G4int val){verboseLevel = val;};
77
78 G4JAEAPolarizedElasticScatteringModel & operator=(const G4JAEAPolarizedElasticScatteringModel &right) = delete;
79 G4JAEAPolarizedElasticScatteringModel(const G4JAEAPolarizedElasticScatteringModel&) = delete;
80
81 private:
82 void ReadData(std::size_t Z, const char* path = 0);
83 G4double GeneratePolarizedPhi(G4double Sigma_para,G4double Sigma_perp, G4double initial_Pol_Plane);
84
85 static const G4int maxZ = 99;
86 static G4PhysicsFreeVector* dataCS[maxZ+1];
87 static G4DataVector* Polarized_ES_Data[maxZ+1];
88 G4double distribution[181];
89 G4double cdistribution[181];
90
91 G4ParticleChangeForGamma* fParticleChange;
92 G4double lowEnergyLimit;
93
94 G4int verboseLevel;
95
96 G4bool fLinearPolarizationSensitvity1;
97 G4bool fLinearPolarizationSensitvity2;
98 G4bool fCircularPolarizationSensitvity;
99 G4bool isInitialised;
100 };
101
102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
103
104 inline void G4JAEAPolarizedElasticScatteringModel::SetPolarizationSensitvity(G4bool linear1,
105 G4bool linear2,
106 G4bool circular)
107 {
108 fLinearPolarizationSensitvity1=linear1;
109 fLinearPolarizationSensitvity2=linear2;
110 fCircularPolarizationSensitvity=circular;
111 }
112
113 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
114
115 #endif
116