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25 // 25 //
26 // 26 //
27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // 28 //
29 // GEANT4 Class header file 29 // GEANT4 Class header file
30 // 30 //
31 // 31 //
32 // File name: G4MuonToMuonPairProductionMo 32 // File name: G4MuonToMuonPairProductionModel
33 // 33 //
34 // Author: Siddharth Yajaman on the bas 34 // Author: Siddharth Yajaman on the base of Vladimir Ivantchenko code
35 // 35 //
36 // Creation date: 12.07.2022 36 // Creation date: 12.07.2022
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 39 //
40 40
41 // 41 //
42 // Class Description: 42 // Class Description:
43 // 43 //
44 // Implementation of mu+mu- pair production by 44 // Implementation of mu+mu- pair production by muons
45 // R. P. Kokoulin, S. R. Kelner, and A. A. Pet 45 // R. P. Kokoulin, S. R. Kelner, and A. A. Petrukhin,
46 // in Proceedings of the International Cosmic 46 // in Proceedings of the International Cosmic Ray Conference,
47 // Salt Lake City, 1999, edited by D. Kieda et 47 // Salt Lake City, 1999, edited by D. Kieda et al.
48 // (American Institute of Physics, Melville, N 48 // (American Institute of Physics, Melville, NY, 2000), Vol. 2, p. 20
49 // 49 //
50 // It inherits from G4MuPairProductionModel 50 // It inherits from G4MuPairProductionModel
51 // 51 //
52 // ------------------------------------------- 52 // -------------------------------------------------------------------
53 // 53 //
54 54
55 #ifndef G4MuonToMuonPairProductionModel_h 55 #ifndef G4MuonToMuonPairProductionModel_h
56 #define G4MuonToMuonPairProductionModel_h 1 56 #define G4MuonToMuonPairProductionModel_h 1
57 57
58 #include "G4MuPairProductionModel.hh" 58 #include "G4MuPairProductionModel.hh"
59 #include <vector> 59 #include <vector>
60 60
61 class G4MuonToMuonPairProductionModel : public 61 class G4MuonToMuonPairProductionModel : public G4MuPairProductionModel
62 { 62 {
63 public: 63 public:
64 64
65 explicit G4MuonToMuonPairProductionModel(con 65 explicit G4MuonToMuonPairProductionModel(const G4ParticleDefinition* p = nullptr,
66 con 66 const G4String& nam = "muToMuonPairProd");
67 67
68 ~G4MuonToMuonPairProductionModel() override << 68 ~G4MuonToMuonPairProductionModel() = default;
69 69
70 // hide assignment operator and copy constru 70 // hide assignment operator and copy constructor
71 G4MuonToMuonPairProductionModel & operator= 71 G4MuonToMuonPairProductionModel & operator=
72 (const G4MuonToMuonPairProductionModel &righ 72 (const G4MuonToMuonPairProductionModel &right) = delete;
73 G4MuonToMuonPairProductionModel(const G4Muon 73 G4MuonToMuonPairProductionModel(const G4MuonToMuonPairProductionModel&) = delete;
74 74
75 G4double 75 G4double
76 ComputeDMicroscopicCrossSection(G4double tki 76 ComputeDMicroscopicCrossSection(G4double tkin, G4double Z,
77 G4double pairEnergy) override; 77 G4double pairEnergy) override;
78 78
79 void SampleSecondaries(std::vector<G4Dynamic 79 void SampleSecondaries(std::vector<G4DynamicParticle*>*,
80 const G4MaterialCutsCouple*, 80 const G4MaterialCutsCouple*,
81 const G4DynamicParticle*, 81 const G4DynamicParticle*,
82 G4double tmin, 82 G4double tmin,
83 G4double maxEnergy) override; 83 G4double maxEnergy) override;
84 84
85 G4double U_func(G4double Z, G4double rho2, G 85 G4double U_func(G4double Z, G4double rho2, G4double xi,
86 G4double Y, G4double pairEnergy, con 86 G4double Y, G4double pairEnergy, const G4double B=183);
87 87
88 protected: 88 protected:
89 89
90 void DataCorrupted(G4int Z, G4double logTkin 90 void DataCorrupted(G4int Z, G4double logTkin) const override;
91 91
92 G4ParticleDefinition* theMuonMinus = nullptr 92 G4ParticleDefinition* theMuonMinus = nullptr;
93 G4ParticleDefinition* theMuonPlus = nullptr; 93 G4ParticleDefinition* theMuonPlus = nullptr;
94 94
95 G4double factorForCross; 95 G4double factorForCross;
96 G4double minPairEnergy; 96 G4double minPairEnergy;
97 G4double muonMass; 97 G4double muonMass;
98 G4double mueRatio; 98 G4double mueRatio;
99 }; 99 };
100 100
101 //....oooOO0OOooo........oooOO0OOooo........oo 101 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
102 102
103 #endif 103 #endif
104 104