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G4BetheHeitler5DModel.hh
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25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class header file
30 //
31 //
32 // File name: G4BetheHeitler5DModel
33 //
34 // Authors:
35 // Igor Semeniouk and Denis Bernard,
36 // LLR, Ecole polytechnique & CNRS/IN2P3, 91128 Palaiseau, France
37 //
38 // Modifications:
39 // 27-10-17 New class (IgS)
40 // 19-01-18 version that calculates the pdf in the same way as in the fortran
41 // version (Denis Bernard)
42 // 04-06-18 Performance optimization of the final state sampling (M. Novak)
43 // 10-04-19 CLHEP for boost and rotation, remove local functions (IgS)
44 // 02-09-19 Set base class to be G4PairProductionRelModel that can provide
45 // accurate sections now from threshold to very high energies
46 // including the LPM effect. (M. Novak)
47 // 14-10-19 Muon's pair genaration in SampleSecondaries
48 //
49 // Class Description:
50 //
51 // Implementation of gamma convertion to e+e- in the field of a nucleus
52 //
53 
54 // -------------------------------------------------------------------
55 //
56 
57 #ifndef G4BetheHeitler5DModel_h
58 #define G4BetheHeitler5DModel_h 1
59 
61 
62 class G4IonTable;
63 
65 {
66 
67 public:
68 
69  explicit G4BetheHeitler5DModel(const G4ParticleDefinition* p = nullptr,
70  const G4String& nam = "BetheHeitler5D");
71 
72  virtual ~G4BetheHeitler5DModel();
73 
74  virtual void Initialise(const G4ParticleDefinition*,
75  const G4DataVector&) final;
76 
77  void SampleSecondaries(std::vector<G4DynamicParticle*>* fvect,
78  const G4MaterialCutsCouple* couple,
79  const G4DynamicParticle* aDynamicGamma,
80  G4double, G4double) final;
81 
82  inline void SetVerbose(G4int val) { fVerbose = val; }
83 
84  // Only e+, e+ or mu+, mu- pairs supported
85  void SetLeptonPair(const G4ParticleDefinition* p1,
86  const G4ParticleDefinition* p2);
87 
88 private:
89 
90  // hide assignment operator
93 
95  G4double e, G4double loge) const;
96 
97  inline void SetConversionMode(G4int to) { fConvMode = to; }
98 
100 
104 
107 
111 
112 };
113 #endif