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26 // 26 //
27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // 28 //
29 // GEANT4 Class header file 29 // GEANT4 Class header file
30 // 30 //
31 // 31 //
32 // File name: G4MuBetheBlochModel 32 // File name: G4MuBetheBlochModel
33 // 33 //
34 // Author: Vladimir Ivanchenko on base 34 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
35 // 35 //
36 // Creation date: 09.08.2002 36 // Creation date: 09.08.2002
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 39 //
40 // 23-12-02 Change interface in order to move 40 // 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko)
41 // 24-01-03 Make models region aware (V.Ivanch 41 // 24-01-03 Make models region aware (V.Ivanchenko)
42 // 13-02-03 Add Nama (V.Ivanchenko) 42 // 13-02-03 Add Nama (V.Ivanchenko)
43 // 10-02-04 Calculation of radiative correctio 43 // 10-02-04 Calculation of radiative corrections using R.Kokoulin model (V.I)
44 // 08-04-05 Major optimisation of internal int 44 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
45 // 12-04-05 Add usage of G4EmCorrections (V.Iv 45 // 12-04-05 Add usage of G4EmCorrections (V.Ivanchenko)
46 // 13-02-06 ComputeCrossSectionPerElectron, Co 46 // 13-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma)
47 // 47 //
48 48
49 // 49 //
50 // Class Description: 50 // Class Description:
51 // 51 //
52 // Implementation of Bethe-Bloch model of ener 52 // Implementation of Bethe-Bloch model of energy loss and
53 // delta-electron production by heavy charged 53 // delta-electron production by heavy charged particles
54 54
55 // ------------------------------------------- 55 // -------------------------------------------------------------------
56 // 56 //
57 57
58 #ifndef G4MuBetheBlochModel_h 58 #ifndef G4MuBetheBlochModel_h
59 #define G4MuBetheBlochModel_h 1 59 #define G4MuBetheBlochModel_h 1
60 60
>> 61 #include <CLHEP/Units/PhysicalConstants.h>
>> 62
61 #include "G4VEmModel.hh" 63 #include "G4VEmModel.hh"
62 64
63 class G4ParticleChangeForLoss; 65 class G4ParticleChangeForLoss;
64 class G4EmCorrections; 66 class G4EmCorrections;
65 67
66 class G4MuBetheBlochModel : public G4VEmModel 68 class G4MuBetheBlochModel : public G4VEmModel
67 { 69 {
68 70
69 public: 71 public:
70 72
71 explicit G4MuBetheBlochModel(const G4Particl 73 explicit G4MuBetheBlochModel(const G4ParticleDefinition* p = nullptr,
72 const G4String& 74 const G4String& nam = "MuBetheBloch");
73 75
74 ~G4MuBetheBlochModel() override = default; << 76 ~G4MuBetheBlochModel() = default;
75 77
76 void Initialise(const G4ParticleDefinition*, << 78 virtual void Initialise(const G4ParticleDefinition*,
>> 79 const G4DataVector&) override;
77 80
78 G4double MinEnergyCut(const G4ParticleDefini << 81 virtual G4double MinEnergyCut(const G4ParticleDefinition*,
79 const G4MaterialCutsCouple*) override; << 82 const G4MaterialCutsCouple*) override;
80 83
81 G4double ComputeCrossSectionPerElectron( << 84 virtual G4double ComputeCrossSectionPerElectron(
82 const G4ParticleDefinition*, 85 const G4ParticleDefinition*,
83 G4double kineticEnergy, 86 G4double kineticEnergy,
84 G4double cutEnergy, 87 G4double cutEnergy,
85 G4double maxEnergy); 88 G4double maxEnergy);
86 89
87 G4double ComputeCrossSectionPerAtom( << 90 virtual G4double ComputeCrossSectionPerAtom(
88 const G4ParticleDefinition*, 91 const G4ParticleDefinition*,
89 G4double kineticEnergy, 92 G4double kineticEnergy,
90 G4double Z, G4double A, 93 G4double Z, G4double A,
91 G4double cutEnergy, 94 G4double cutEnergy,
92 G4double maxEnergy) override; 95 G4double maxEnergy) override;
93 96
94 G4double CrossSectionPerVolume(const G4Mater << 97 virtual G4double CrossSectionPerVolume(const G4Material*,
95 const G4ParticleDefinition*, 98 const G4ParticleDefinition*,
96 G4double kineticEnergy, 99 G4double kineticEnergy,
97 G4double cutEnergy, 100 G4double cutEnergy,
98 G4double maxEnergy) override; 101 G4double maxEnergy) override;
99 102
100 G4double ComputeDEDXPerVolume(const G4Materi << 103 virtual G4double ComputeDEDXPerVolume(const G4Material*,
101 const G4Partic << 104 const G4ParticleDefinition*,
102 G4double kinet << 105 G4double kineticEnergy,
103 G4double cutEn << 106 G4double cutEnergy) override;
104 << 107
105 void SampleSecondaries(std::vector<G4Dynamic << 108 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
106 const G4MaterialCutsCouple*, << 109 const G4MaterialCutsCouple*,
107 const G4DynamicParticle*, << 110 const G4DynamicParticle*,
108 G4double tmin, << 111 G4double tmin,
109 G4double maxEnergy) override; << 112 G4double maxEnergy) override;
110 <<
111 // hide assignment operator <<
112 G4MuBetheBlochModel & operator=(const G4MuB <<
113 G4MuBetheBlochModel(const G4MuBetheBlochMod <<
114 113
115 protected: 114 protected:
116 115
117 G4double MaxSecondaryEnergy(const G4Particle << 116 virtual G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
118 G4double kinEner << 117 G4double kinEnergy) override;
119 118
120 private: 119 private:
121 120
122 void SetParticle(const G4ParticleDefinition* << 121 inline void SetParticle(const G4ParticleDefinition* p);
123 122
124 const G4ParticleDefinition* particle = nullp << 123 // hide assignment operator
125 G4ParticleDefinition* theElectron = nu << 124 G4MuBetheBlochModel & operator=(const G4MuBetheBlochModel &right) = delete;
126 G4ParticleChangeForLoss* fParticleChange << 125 G4MuBetheBlochModel(const G4MuBetheBlochModel&) = delete;
127 G4EmCorrections* corr = nullptr; << 126
>> 127 const G4ParticleDefinition* particle;
>> 128 G4ParticleDefinition* theElectron;
>> 129 G4ParticleChangeForLoss* fParticleChange;
>> 130 G4EmCorrections* corr;
128 131
129 G4double limitRadCorrection; <<
130 G4double limitKinEnergy; 132 G4double limitKinEnergy;
131 G4double logLimitKinEnergy; 133 G4double logLimitKinEnergy;
132 G4double mass = 1.0; << 134 G4double mass;
133 G4double massSquare = 1.0; << 135 G4double massSquare;
134 G4double ratio = 1.0; << 136 G4double ratio;
135 G4double twoln10; 137 G4double twoln10;
136 G4double alphaprime; 138 G4double alphaprime;
137 static G4double xgi[8],wgi[8]; 139 static G4double xgi[8],wgi[8];
138 }; 140 };
>> 141
>> 142 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 143
>> 144 inline void G4MuBetheBlochModel::SetParticle(const G4ParticleDefinition* p)
>> 145 {
>> 146 if(!particle) {
>> 147 particle = p;
>> 148 mass = particle->GetPDGMass();
>> 149 massSquare = mass*mass;
>> 150 ratio = CLHEP::electron_mass_c2/mass;
>> 151 }
>> 152 }
139 153
140 //....oooOO0OOooo........oooOO0OOooo........oo 154 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
141 155
142 #endif 156 #endif
143 157