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25 // 25 //
>> 26 // $Id: G4MuBremsstrahlungModel.hh,v 1.21 2008/07/22 16:11:34 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-02-patch-03 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class header file 31 // GEANT4 Class header file
30 // 32 //
31 // 33 //
32 // File name: G4MuBremsstrahlungModel 34 // File name: G4MuBremsstrahlungModel
33 // 35 //
34 // Author: Vladimir Ivanchenko on base 36 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
35 // 37 //
36 // Creation date: 18.05.2002 38 // Creation date: 18.05.2002
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 41 //
40 // 23-12-02 Change interface in order to move 42 // 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 43 // 27-01-03 Make models region aware (V.Ivanchenko)
42 // 13-02-03 Add name (V.Ivanchenko) 44 // 13-02-03 Add name (V.Ivanchenko)
43 // 10-02-04 Add lowestKinEnergy (V.Ivanchenko) 45 // 10-02-04 Add lowestKinEnergy (V.Ivanchenko)
44 // 08-04-05 Major optimisation of internal int 46 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
45 // 13-02-06 Add ComputeCrossSectionPerAtom (mm 47 // 13-02-06 Add ComputeCrossSectionPerAtom (mma)
46 // 11-10-07 Add ignoreCut flag (V.Ivanchenko) 48 // 11-10-07 Add ignoreCut flag (V.Ivanchenko)
47 // 28-02-08 Reorganized protected methods and 49 // 28-02-08 Reorganized protected methods and members (V.Ivanchenko)
48 // 06-03-08 Remove obsolete methods and member 50 // 06-03-08 Remove obsolete methods and members (V.Ivanchenko)
49 // 31-05-13 Use element selectors instead of l << 51 //
>> 52
50 // 53 //
51 // Class Description: 54 // Class Description:
52 // 55 //
53 // Implementation of bremssrahlung by muons 56 // Implementation of bremssrahlung by muons
54 // A.G. Bogdanov et al., IEEE Trans. Nuc. Sci. << 57
55 // <<
56 // ------------------------------------------- 58 // -------------------------------------------------------------------
57 // 59 //
58 60
59 #ifndef G4MuBremsstrahlungModel_h 61 #ifndef G4MuBremsstrahlungModel_h
60 #define G4MuBremsstrahlungModel_h 1 62 #define G4MuBremsstrahlungModel_h 1
61 63
62 #include "G4VEmModel.hh" 64 #include "G4VEmModel.hh"
63 #include "G4NistManager.hh" 65 #include "G4NistManager.hh"
64 #include "G4Exp.hh" <<
65 66
66 class G4Element; 67 class G4Element;
67 class G4ParticleChangeForLoss; 68 class G4ParticleChangeForLoss;
68 69
69 class G4MuBremsstrahlungModel : public G4VEmMo 70 class G4MuBremsstrahlungModel : public G4VEmModel
70 { 71 {
71 72
72 public: 73 public:
73 74
74 explicit G4MuBremsstrahlungModel(const G4Par << 75 G4MuBremsstrahlungModel(const G4ParticleDefinition* p = 0,
75 const G4Str << 76 const G4String& nam = "MuBrem");
76 77
77 ~G4MuBremsstrahlungModel() override = defaul << 78 virtual ~G4MuBremsstrahlungModel();
78 79
79 void Initialise(const G4ParticleDefinition*, << 80 void SetParticle(const G4ParticleDefinition*);
80 81
81 void InitialiseLocal(const G4ParticleDefinit << 82 void Initialise(const G4ParticleDefinition*, const G4DataVector&);
82 G4VEmModel* masterModel <<
83 83
84 G4double MinEnergyCut(const G4ParticleDefini 84 G4double MinEnergyCut(const G4ParticleDefinition*,
85 const G4MaterialCutsCo << 85 const G4MaterialCutsCouple*);
86 86
87 G4double ComputeCrossSectionPerAtom( << 87 virtual G4double ComputeCrossSectionPerAtom(
88 const G4ParticleDefinition*, 88 const G4ParticleDefinition*,
89 G4double kineticEnergy, 89 G4double kineticEnergy,
90 G4double Z, G4double A, 90 G4double Z, G4double A,
91 G4double cutEnergy, 91 G4double cutEnergy,
92 G4double maxEnergy) override; << 92 G4double maxEnergy);
93 93
94 G4double ComputeDEDXPerVolume(const G4Materi << 94 virtual G4double ComputeDEDXPerVolume(const G4Material*,
95 const G4Partic 95 const G4ParticleDefinition*,
96 G4double kinet 96 G4double kineticEnergy,
97 G4double cutEn << 97 G4double cutEnergy);
98 98
99 void SampleSecondaries(std::vector<G4Dynamic 99 void SampleSecondaries(std::vector<G4DynamicParticle*>*,
100 const G4MaterialCutsC << 100 const G4MaterialCutsCouple*,
101 const G4DynamicParticle*, 101 const G4DynamicParticle*,
102 G4double tmin, 102 G4double tmin,
103 G4double maxEnergy) override; << 103 G4double maxEnergy);
104 104
105 inline void SetLowestKineticEnergy(G4double 105 inline void SetLowestKineticEnergy(G4double e);
106 106
107 G4double MinPrimaryEnergy(const G4Material*, <<
108 G4double) override <<
109 <<
110 // hide assignment operator <<
111 G4MuBremsstrahlungModel & <<
112 operator=(const G4MuBremsstrahlungModel & <<
113 G4MuBremsstrahlungModel(const G4MuBremsstra <<
114 <<
115 protected: 107 protected:
116 108
117 G4double ComputMuBremLoss(G4double Z, G4doub 109 G4double ComputMuBremLoss(G4double Z, G4double tkin, G4double cut);
118 110
119 G4double ComputeMicroscopicCrossSection(G4do 111 G4double ComputeMicroscopicCrossSection(G4double tkin,
120 G4double Z, 112 G4double Z,
121 G4double cut); 113 G4double cut);
122 114
123 virtual G4double ComputeDMicroscopicCrossSec 115 virtual G4double ComputeDMicroscopicCrossSection(G4double tkin,
124 G4double Z, 116 G4double Z,
125 G4double gammaEnergy); 117 G4double gammaEnergy);
126 118
127 void SetParticle(const G4ParticleDefinition* << 119 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
>> 120 G4double kineticEnergy);
>> 121
>> 122 private:
>> 123
>> 124 G4DataVector* ComputePartialSumSigma(const G4Material* material,
>> 125 G4double tkin, G4double cut);
>> 126
>> 127 const G4Element* SelectRandomAtom(const G4MaterialCutsCouple* couple) const;
>> 128
>> 129 // hide assignment operator
>> 130 G4MuBremsstrahlungModel & operator=(const G4MuBremsstrahlungModel &right);
>> 131 G4MuBremsstrahlungModel(const G4MuBremsstrahlungModel&);
128 132
129 protected: 133 protected:
130 134
131 const G4ParticleDefinition* particle = nullp << 135 const G4ParticleDefinition* particle;
132 G4ParticleDefinition* theGamma = nullptr; << 136 G4NistManager* nist;
133 G4ParticleChangeForLoss* fParticleChange = n << 137 G4double mass;
134 G4NistManager* nist = nullptr; << 138 G4double rmass;
135 << 139 G4double cc;
136 G4double mass = 1.0; << 140 G4double coeff;
137 G4double rmass = 1.0; <<
138 G4double cc = 1.0; <<
139 G4double coeff = 1.0; <<
140 G4double sqrte; 141 G4double sqrte;
141 G4double bh = 202.4; << 142 G4double bh;
142 G4double bh1 = 446.; << 143 G4double bh1;
143 G4double btf = 183.; << 144 G4double btf;
144 G4double btf1 = 1429.; << 145 G4double btf1;
145 146
>> 147 private:
>> 148
>> 149 G4ParticleDefinition* theGamma;
>> 150 G4ParticleChangeForLoss* fParticleChange;
>> 151
>> 152 G4double highKinEnergy;
>> 153 G4double lowKinEnergy;
146 G4double lowestKinEnergy; 154 G4double lowestKinEnergy;
147 G4double minThreshold; 155 G4double minThreshold;
148 156
149 static const G4double xgi[6]; << 157 std::vector<G4DataVector*> partialSumSigma;
150 static const G4double wgi[6]; <<
151 static G4double fDN[93]; <<
152 }; 158 };
153 159
154 //....oooOO0OOooo........oooOO0OOooo........oo 160 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
155 161
>> 162 inline
>> 163 G4double G4MuBremsstrahlungModel::MaxSecondaryEnergy(const G4ParticleDefinition*,
>> 164 G4double kineticEnergy)
>> 165 {
>> 166 return kineticEnergy;
>> 167 }
>> 168
>> 169 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 170
156 inline void G4MuBremsstrahlungModel::SetLowest 171 inline void G4MuBremsstrahlungModel::SetLowestKineticEnergy(G4double e)
157 { 172 {
158 lowestKinEnergy = e; 173 lowestKinEnergy = e;
>> 174 }
>> 175
>> 176 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 177
>> 178 inline
>> 179 G4double G4MuBremsstrahlungModel::MinEnergyCut(const G4ParticleDefinition*,
>> 180 const G4MaterialCutsCouple*)
>> 181 {
>> 182 return minThreshold;
>> 183 }
>> 184
>> 185 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 186
>> 187 inline
>> 188 void G4MuBremsstrahlungModel::SetParticle(const G4ParticleDefinition* p)
>> 189 {
>> 190 if(!particle) {
>> 191 particle = p;
>> 192 mass = particle->GetPDGMass();
>> 193 rmass=mass/electron_mass_c2 ;
>> 194 cc=classic_electr_radius/rmass ;
>> 195 coeff= 16.*fine_structure_const*cc*cc/3. ;
>> 196 }
159 } 197 }
160 198
161 //....oooOO0OOooo........oooOO0OOooo........oo 199 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
162 200
163 #endif 201 #endif
164 202