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G4LivermorePolarizedGammaConversionModel.hh
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25 //
26 //
27 // Authors: G.Depaola & F.Longo
28 //
29 
30 #ifndef G4LivermorePolarizedGammaConversionModel_h
31 #define G4LivermorePolarizedGammaConversionModel_h 1
32 
33 #include "G4VEmModel.hh"
34 #include "G4LPhysicsFreeVector.hh"
35 
36 //#include "G4Electron.hh"
37 //#include "G4Positron.hh"
39 
40 
41 
43 {
44 
45 public:
46 
48  const G4String& nam = "LivermorePolarizedGammaConversion");
49 
51 
52  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
53 
54  virtual void InitialiseLocal(const G4ParticleDefinition*,
55  G4VEmModel* masterModel);
56 
57  virtual void InitialiseForElement(const G4ParticleDefinition*, G4int Z);
58 
60  const G4ParticleDefinition*,
61  G4double kinEnergy,
62  G4double Z,
63  G4double A=0,
64  G4double cut=0,
66 
67  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
68  const G4MaterialCutsCouple*,
69  const G4DynamicParticle*,
70  G4double tmin,
71  G4double maxEnergy);
72 
73  virtual G4double MinPrimaryEnergy(const G4Material*,
74  const G4ParticleDefinition*,
75  G4double);
76 
77 private:
78 
80 
82 
83  // G4double highEnergyLimit;
86 
87 
88  void ReadData(size_t Z, const char* path = 0);
89 
90  G4double ScreenFunction1(G4double screenVariable);
91  G4double ScreenFunction2(G4double screenVariable);
92 
93  // specific methods for polarization
94 
95  G4ThreeVector GetRandomPolarization(G4ThreeVector& direction0); // Random Polarization
96  G4ThreeVector GetPerpendicularPolarization(const G4ThreeVector& direction0, const G4ThreeVector& polarization0) const;
98  void SystemOfRefChange(G4ThreeVector& direction0, G4ThreeVector& direction1,
99  G4ThreeVector& polarization0);
100 
101  // Gamma Conversion methods
102 
103 
106 
108 
111 
113 
116 
120 
122 
123  //G4double Gtan(G4double*, G4double);
124 
128 
131 
132 
135 
136  static G4int maxZ;
137  static G4LPhysicsFreeVector* data[100]; // 100 because Z range is 1-99
138 
139 };
140 
141 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
142 
143 #endif