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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: G4MuBremsstrahlungModel 32 // File name: G4MuBremsstrahlungModel
33 // 33 //
34 // Author: Vladimir Ivanchenko on base 34 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
35 // 35 //
36 // Creation date: 18.05.2002 36 // Creation date: 18.05.2002
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 // 27-01-03 Make models region aware (V.Ivanch 41 // 27-01-03 Make models region aware (V.Ivanchenko)
42 // 13-02-03 Add name (V.Ivanchenko) 42 // 13-02-03 Add name (V.Ivanchenko)
43 // 10-02-04 Add lowestKinEnergy (V.Ivanchenko) 43 // 10-02-04 Add lowestKinEnergy (V.Ivanchenko)
44 // 08-04-05 Major optimisation of internal int 44 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
45 // 13-02-06 Add ComputeCrossSectionPerAtom (mm 45 // 13-02-06 Add ComputeCrossSectionPerAtom (mma)
46 // 11-10-07 Add ignoreCut flag (V.Ivanchenko) 46 // 11-10-07 Add ignoreCut flag (V.Ivanchenko)
47 // 28-02-08 Reorganized protected methods and 47 // 28-02-08 Reorganized protected methods and members (V.Ivanchenko)
48 // 06-03-08 Remove obsolete methods and member 48 // 06-03-08 Remove obsolete methods and members (V.Ivanchenko)
49 // 31-05-13 Use element selectors instead of l 49 // 31-05-13 Use element selectors instead of local data (V.Ivanchenko)
50 // 50 //
>> 51
>> 52 //
51 // Class Description: 53 // Class Description:
52 // 54 //
53 // Implementation of bremssrahlung by muons 55 // Implementation of bremssrahlung by muons
54 // A.G. Bogdanov et al., IEEE Trans. Nuc. Sci. << 56
55 // <<
56 // ------------------------------------------- 57 // -------------------------------------------------------------------
57 // 58 //
58 59
59 #ifndef G4MuBremsstrahlungModel_h 60 #ifndef G4MuBremsstrahlungModel_h
60 #define G4MuBremsstrahlungModel_h 1 61 #define G4MuBremsstrahlungModel_h 1
61 62
>> 63 #include <CLHEP/Units/PhysicalConstants.h>
>> 64
62 #include "G4VEmModel.hh" 65 #include "G4VEmModel.hh"
63 #include "G4NistManager.hh" 66 #include "G4NistManager.hh"
64 #include "G4Exp.hh" <<
65 67
66 class G4Element; 68 class G4Element;
67 class G4ParticleChangeForLoss; 69 class G4ParticleChangeForLoss;
68 70
69 class G4MuBremsstrahlungModel : public G4VEmMo 71 class G4MuBremsstrahlungModel : public G4VEmModel
70 { 72 {
71 73
72 public: 74 public:
73 75
74 explicit G4MuBremsstrahlungModel(const G4Par 76 explicit G4MuBremsstrahlungModel(const G4ParticleDefinition* p = nullptr,
75 const G4Str << 77 const G4String& nam = "MuBrem");
76 78
77 ~G4MuBremsstrahlungModel() override = defaul << 79 ~G4MuBremsstrahlungModel() = default;
78 80
79 void Initialise(const G4ParticleDefinition*, << 81 virtual void Initialise(const G4ParticleDefinition*,
>> 82 const G4DataVector&) override;
80 83
81 void InitialiseLocal(const G4ParticleDefinit << 84 virtual void InitialiseLocal(const G4ParticleDefinition*,
82 G4VEmModel* masterModel << 85 G4VEmModel* masterModel) override;
83 86
84 G4double MinEnergyCut(const G4ParticleDefini << 87 virtual G4double MinEnergyCut(const G4ParticleDefinition*,
85 const G4MaterialCutsCo << 88 const G4MaterialCutsCouple*) override;
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 ComputeDEDXPerVolume(const G4Materi << 97 virtual G4double ComputeDEDXPerVolume(const G4Material*,
95 const G4Partic 98 const G4ParticleDefinition*,
96 G4double kinet 99 G4double kineticEnergy,
97 G4double cutEn 100 G4double cutEnergy) override;
98 101
99 void SampleSecondaries(std::vector<G4Dynamic << 102 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
100 const G4MaterialCutsC << 103 const G4MaterialCutsCouple*,
101 const G4DynamicParticle*, << 104 const G4DynamicParticle*,
102 G4double tmin, << 105 G4double tmin,
103 G4double maxEnergy) override; << 106 G4double maxEnergy) override;
104 107
105 inline void SetLowestKineticEnergy(G4double 108 inline void SetLowestKineticEnergy(G4double e);
106 109
107 G4double MinPrimaryEnergy(const G4Material*, << 110 virtual G4double MinPrimaryEnergy(const G4Material*,
108 G4double) override << 111 const G4ParticleDefinition*,
109 << 112 G4double) override;
110 // hide assignment operator <<
111 G4MuBremsstrahlungModel & <<
112 operator=(const G4MuBremsstrahlungModel & <<
113 G4MuBremsstrahlungModel(const G4MuBremsstra <<
114 113
115 protected: 114 protected:
116 115
117 G4double ComputMuBremLoss(G4double Z, G4doub 116 G4double ComputMuBremLoss(G4double Z, G4double tkin, G4double cut);
118 117
119 G4double ComputeMicroscopicCrossSection(G4do 118 G4double ComputeMicroscopicCrossSection(G4double tkin,
120 G4double Z, 119 G4double Z,
121 G4double cut); 120 G4double cut);
122 121
123 virtual G4double ComputeDMicroscopicCrossSec 122 virtual G4double ComputeDMicroscopicCrossSection(G4double tkin,
124 G4double Z, 123 G4double Z,
125 G4double gammaEnergy); 124 G4double gammaEnergy);
126 125
127 void SetParticle(const G4ParticleDefinition* << 126 inline void SetParticle(const G4ParticleDefinition*);
>> 127
>> 128 private:
>> 129
>> 130 // hide assignment operator
>> 131 G4MuBremsstrahlungModel &
>> 132 operator=(const G4MuBremsstrahlungModel &right) = delete;
>> 133 G4MuBremsstrahlungModel(const G4MuBremsstrahlungModel&) = delete;
128 134
129 protected: 135 protected:
130 136
131 const G4ParticleDefinition* particle = nullp << 137 const G4ParticleDefinition* particle;
132 G4ParticleDefinition* theGamma = nullptr; << 138 G4NistManager* nist;
133 G4ParticleChangeForLoss* fParticleChange = n << 139 G4double mass;
134 G4NistManager* nist = nullptr; << 140 G4double rmass;
135 << 141 G4double cc;
136 G4double mass = 1.0; << 142 G4double coeff;
137 G4double rmass = 1.0; <<
138 G4double cc = 1.0; <<
139 G4double coeff = 1.0; <<
140 G4double sqrte; 143 G4double sqrte;
141 G4double bh = 202.4; << 144 G4double bh;
142 G4double bh1 = 446.; << 145 G4double bh1;
143 G4double btf = 183.; << 146 G4double btf;
144 G4double btf1 = 1429.; << 147 G4double btf1;
>> 148
>> 149 G4ParticleDefinition* theGamma;
>> 150 G4ParticleChangeForLoss* fParticleChange;
145 151
146 G4double lowestKinEnergy; 152 G4double lowestKinEnergy;
147 G4double minThreshold; 153 G4double minThreshold;
148 154
149 static const G4double xgi[6]; 155 static const G4double xgi[6];
150 static const G4double wgi[6]; 156 static const G4double wgi[6];
>> 157
151 static G4double fDN[93]; 158 static G4double fDN[93];
152 }; 159 };
153 160
154 //....oooOO0OOooo........oooOO0OOooo........oo 161 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
155 162
156 inline void G4MuBremsstrahlungModel::SetLowest 163 inline void G4MuBremsstrahlungModel::SetLowestKineticEnergy(G4double e)
157 { 164 {
158 lowestKinEnergy = e; 165 lowestKinEnergy = e;
>> 166 }
>> 167
>> 168 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 169
>> 170 inline
>> 171 void G4MuBremsstrahlungModel::SetParticle(const G4ParticleDefinition* p)
>> 172 {
>> 173 if(!particle) {
>> 174 particle = p;
>> 175 mass = particle->GetPDGMass();
>> 176 rmass=mass/CLHEP::electron_mass_c2 ;
>> 177 cc=CLHEP::classic_electr_radius/rmass ;
>> 178 coeff= 16.*CLHEP::fine_structure_const*cc*cc/3. ;
>> 179 }
159 } 180 }
160 181
161 //....oooOO0OOooo........oooOO0OOooo........oo 182 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
162 183
163 #endif 184 #endif
164 185