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25 //
26 // -------------------------------------------------------------------
27 //
28 // Geant4 Class header file
29 //
30 // File name: G4PolarizedIonisationModel
31 //
32 // Author: A.Schaelicke on base of Vladimir Ivanchenko code
33 //
34 // Class Description:
35 // Physics implementation of polarized Bhabha/Moller scattering
36 //
37 // -------------------------------------------------------------------
38
39 #ifndef G4PolarizedIonisationModel_h
40 #define G4PolarizedIonisationModel_h 1
41
42 #include "globals.hh"
43 #include "G4MollerBhabhaModel.hh"
44 #include "G4StokesVector.hh"
45 #include "G4ThreeVector.hh"
46
47 class G4DynamicParticle;
48 class G4MaterialCutsCouple;
49 class G4ParticleDefinition;
50 class G4VPolarizedXS;
51
52 class G4PolarizedIonisationModel : public G4MollerBhabhaModel
53 {
54 public:
55 explicit G4PolarizedIonisationModel(
56 const G4ParticleDefinition* p = nullptr,
57 const G4String& nam = "PolarizedMollerBhabha");
58
59 virtual ~G4PolarizedIonisationModel() override;
60
61 virtual G4double ComputeCrossSectionPerElectron(const G4ParticleDefinition*,
62 G4double kinEnergy,
63 G4double cut,
64 G4double emax) override;
65
66 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
67 const G4MaterialCutsCouple*,
68 const G4DynamicParticle*, G4double tmin,
69 G4double maxEnergy) override;
70
71 G4PolarizedIonisationModel(G4PolarizedIonisationModel&) = delete;
72 G4PolarizedIonisationModel& operator=(
73 const G4PolarizedIonisationModel& right) = delete;
74
75 void SetTargetPolarization(const G4ThreeVector& pTarget)
76 {
77 fTargetPolarization = G4StokesVector(pTarget);
78 }
79 void SetBeamPolarization(const G4ThreeVector& pBeam)
80 {
81 fBeamPolarization = G4StokesVector(pBeam);
82 }
83 const G4StokesVector& GetTargetPolarization() { return fTargetPolarization; }
84 const G4StokesVector& GetBeamPolarization() { return fBeamPolarization; }
85 const G4StokesVector& GetFinalElectronPolarization()
86 {
87 return fElectronPolarization;
88 }
89 const G4StokesVector& GetFinalPositronPolarization()
90 {
91 return fPositronPolarization;
92 }
93
94 private:
95 G4VPolarizedXS* fCrossSectionCalculator;
96
97 G4StokesVector fBeamPolarization;
98 G4StokesVector fTargetPolarization;
99
100 G4StokesVector fPositronPolarization;
101 G4StokesVector fElectronPolarization;
102 };
103
104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
105
106 #endif
107