| Geant4 Cross Reference |
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25 //
26 // File name: G4VPolarizedXS
27 //
28 // Author: Andreas Schaelicke
29 //
30 // Class Description:
31 // (virtual) interface class
32 //
33 // provides readable but efficient routines
34 // polarization for the final state of a giv
35 // empoying the differential cross section
36
37 #ifndef G4VPolarizedXS_h
38 #define G4VPolarizedXS_h 1
39
40 #include "G4StokesVector.hh"
41
42 class G4VPolarizedXS
43 {
44 public:
45 G4VPolarizedXS();
46 virtual ~G4VPolarizedXS();
47
48 virtual void Initialize(G4double, G4double,
49 const G4StokesVector
50 G4int flag = 0) = 0;
51
52 virtual G4double XSection(const G4StokesVect
53 const G4StokesVect
54
55 virtual G4double TotalXSection(G4double xmin
56 const G4Stoke
57 const G4Stoke
58
59 // return expected mean polarisation
60 virtual G4StokesVector GetPol2();
61 virtual G4StokesVector GetPol3();
62
63 // return basic kinematics properties
64 // minimal gamma value in TotalXSection
65 inline G4double GetYmin() { return fYmin; }
66 // minimal energy fraction in TotalXSectio
67 virtual G4double GetXmin(G4double y);
68 // maximal energy fraction in TotalXSectio
69 virtual G4double GetXmax(G4double y);
70
71 inline void SetMaterial(G4double A, G4double
72 {
73 fA = A;
74 fZ = Z;
75 fCoul = coul;
76 }
77
78 G4VPolarizedXS& operator=(const G4VPolarized
79 G4VPolarizedXS(const G4VPolarizedXS&)
80
81 protected:
82 // define kinematics properties
83 inline void SetXmin(G4double xmin) { fXmin =
84 inline void SetXmax(G4double xmax) { fXmax =
85 inline void SetYmin(G4double ymin) { fYmin =
86
87 // kinematic properties
88 G4double fXmin, fXmax, fYmin;
89 // material properties
90 G4double fA, fZ;
91 G4double fCoul;
92 };
93
94 #endif
95