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25 // 25 //
26 // Geant4 class file 26 // Geant4 class file
27 // 27 //
28 // File name: G4PolarizedIonisationMollerX 28 // File name: G4PolarizedIonisationMollerXS
29 // 29 //
30 // Author: Andreas Schaelicke 30 // Author: Andreas Schaelicke
31 // 31 //
32 // Class Description: 32 // Class Description:
33 // * calculates the differential cross secti 33 // * calculates the differential cross section
34 // incoming electron (along positive z dir 34 // incoming electron (along positive z direction) scatters at an electron at
35 // rest 35 // rest
36 // * phi denotes the angle between the scatt 36 // * phi denotes the angle between the scattering plane (defined by the
37 // outgoing electron) and X-axis 37 // outgoing electron) and X-axis
38 // * all stokes vectors refer to spins in th 38 // * all stokes vectors refer to spins in the Global System (X,Y,Z)
39 39
40 #ifndef G4PolarizedIonisationMollerXS_h 40 #ifndef G4PolarizedIonisationMollerXS_h
41 #define G4PolarizedIonisationMollerXS_h 1 41 #define G4PolarizedIonisationMollerXS_h 1
42 42
43 #include "G4StokesVector.hh" 43 #include "G4StokesVector.hh"
44 #include "G4VPolarizedXS.hh" 44 #include "G4VPolarizedXS.hh"
45 45
46 class G4PolarizedIonisationMollerXS : public G 46 class G4PolarizedIonisationMollerXS : public G4VPolarizedXS
47 { 47 {
48 public: 48 public:
49 G4PolarizedIonisationMollerXS(); 49 G4PolarizedIonisationMollerXS();
50 ~G4PolarizedIonisationMollerXS() override; 50 ~G4PolarizedIonisationMollerXS() override;
51 51
52 void Initialize(G4double x, G4double y, G4do 52 void Initialize(G4double x, G4double y, G4double phi,
53 const G4StokesVector& p0, co 53 const G4StokesVector& p0, const G4StokesVector& p1,
54 G4int flag = 0) override; 54 G4int flag = 0) override;
55 55
56 G4double XSection(const G4StokesVector& pol2 56 G4double XSection(const G4StokesVector& pol2,
57 const G4StokesVector& pol3 57 const G4StokesVector& pol3) override;
58 58
59 G4double TotalXSection(G4double xmin, G4doub 59 G4double TotalXSection(G4double xmin, G4double xmax, G4double y,
60 const G4StokesVector& 60 const G4StokesVector& pol0,
61 const G4StokesVector& 61 const G4StokesVector& pol1) override;
62 62
63 // return expected mean polarisation 63 // return expected mean polarisation
64 G4StokesVector GetPol2() override; 64 G4StokesVector GetPol2() override;
65 G4StokesVector GetPol3() override; 65 G4StokesVector GetPol3() override;
66 66
67 G4PolarizedIonisationMollerXS& operator 67 G4PolarizedIonisationMollerXS& operator =(
68 const G4PolarizedIonisationMollerXS& right 68 const G4PolarizedIonisationMollerXS& right) = delete;
69 G4PolarizedIonisationMollerXS(const G4Polari 69 G4PolarizedIonisationMollerXS(const G4PolarizedIonisationMollerXS&) = delete;
70 70
71 private: 71 private:
72 // - part depending on the polarization of t 72 // - part depending on the polarization of the final photon
73 G4ThreeVector fPhi2; 73 G4ThreeVector fPhi2;
74 // - part depending on the polarization of t 74 // - part depending on the polarization of the final electron
75 G4ThreeVector fPhi3; 75 G4ThreeVector fPhi3;
76 76
77 G4double fPhi0; 77 G4double fPhi0;
78 }; 78 };
79 #endif 79 #endif
80 80