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G4PolarizedBhabhaCrossSection.hh
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26 // $Id: G4PolarizedBhabhaCrossSection.hh 96114 2016-03-16 18:51:33Z gcosmo $
27 //
28 // GEANT4 Class file
29 //
30 //
31 // File name: G4PolarizedBhabhaCrossSection
32 //
33 // Author: Andreas Schaelicke and Pavel Starovoitov
34 //
35 // Creation date: 12.01.2006
36 //
37 // Modifications:
38 // 16-01-06 included cross section as calculated by P.Starovoitov
39 //
40 // Class Description:
41 // * calculates the differential cross section (ME squared, without phase space)
42 // incomming positron (along positive z direction) scatters at an electron at rest
43 // * phi denotes the angle between the scattering plane and the incoming PRF X-axis
44 // * all stokes vectors refer to spins in the Global System (X,Y,Z)
45 //
46 #ifndef G4PolarizedBhabhaCrossSection_h
47 #define G4PolarizedBhabhaCrossSection_h 1
48 
49 #include "G4StokesVector.hh"
51 
53 {
54 public:
57 public:
58  void Initialize(G4double x, G4double y, G4double phi,
59  const G4StokesVector & p0,const G4StokesVector & p1,
60  G4int flag=0) override;
61 
62  G4double XSection(const G4StokesVector & pol2,const G4StokesVector & pol3) override;
64  const G4StokesVector & pol0,
65  const G4StokesVector & pol1) override;
66  // return expected mean polarisation
67  G4StokesVector GetPol2() override;
68  G4StokesVector GetPol3() override;
69 private:
71  // - part depending on the polarization of the final positron
73  // - part depending on the polarization of the final electron
75 
76 };
77 #endif
Float_t x
Definition: compare.C:6
Float_t y
Definition: compare.C:6
G4double TotalXSection(G4double xmin, G4double xmax, G4double y, const G4StokesVector &pol0, const G4StokesVector &pol1) override
double G4double
Definition: G4Types.hh:76
void Initialize(G4double x, G4double y, G4double phi, const G4StokesVector &p0, const G4StokesVector &p1, G4int flag=0) override
G4double XSection(const G4StokesVector &pol2, const G4StokesVector &pol3) override
int G4int
Definition: G4Types.hh:78