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25 // 25 //
>> 26 // $Id$
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class header file 30 // GEANT4 Class header file
30 // 31 //
31 // 32 //
32 // File name: G4BetheBlochModel 33 // File name: G4BetheBlochModel
33 // 34 //
34 // Author: Vladimir Ivanchenko on base 35 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
35 // 36 //
36 // Creation date: 03.01.2002 37 // Creation date: 03.01.2002
37 // 38 //
38 // Modifications: 39 // Modifications:
39 // 40 //
40 // Modified by Michel Maire and Vladimir Ivanc << 41 // 23-12-02 V.Ivanchenko change interface in order to moveto cut per region
>> 42 // 24-01-03 Make models region aware (V.Ivanchenko)
>> 43 // 13-02-03 Add name (V.Ivanchenko)
>> 44 // 12-11-03 Fix for GenericIons (V.Ivanchenko)
>> 45 // 24-03-05 Add G4EmCorrections (V.Ivanchenko)
>> 46 // 11-04-05 Major optimisation of internal interfaces (V.Ivanchenko)
>> 47 // 11-04-04 Move MaxSecondaryEnergy to models (V.Ivanchenko)
>> 48 // 11-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma)
>> 49 // 12-08-08 Added methods GetParticleCharge, GetChargeSquareRatio,
>> 50 // CorrectionsAlongStep needed for ions(V.Ivanchenko)
>> 51
41 // 52 //
42 // Class Description: 53 // Class Description:
43 // 54 //
44 // Implementation of Bethe-Bloch model of ener 55 // Implementation of Bethe-Bloch model of energy loss and
45 // delta-electron production by heavy charged 56 // delta-electron production by heavy charged particles
46 57
47 // ------------------------------------------- 58 // -------------------------------------------------------------------
48 // 59 //
49 60
50 #ifndef G4BetheBlochModel_h 61 #ifndef G4BetheBlochModel_h
51 #define G4BetheBlochModel_h 1 62 #define G4BetheBlochModel_h 1
52 63
>> 64 #include <CLHEP/Units/SystemOfUnits.h>
>> 65
53 #include "G4VEmModel.hh" 66 #include "G4VEmModel.hh"
>> 67 #include "G4NistManager.hh"
54 68
55 class G4EmCorrections; 69 class G4EmCorrections;
56 class G4ParticleChangeForLoss; 70 class G4ParticleChangeForLoss;
57 class G4ICRU90StoppingData; <<
58 class G4NistManager; <<
59 71
60 class G4BetheBlochModel : public G4VEmModel 72 class G4BetheBlochModel : public G4VEmModel
61 { 73 {
62 74
63 public: 75 public:
64 76
65 explicit G4BetheBlochModel(const G4ParticleD << 77 G4BetheBlochModel(const G4ParticleDefinition* p = 0,
66 const G4String& nam = "BetheBloch") << 78 const G4String& nam = "BetheBloch");
67 <<
68 ~G4BetheBlochModel() override; <<
69 79
70 void Initialise(const G4ParticleDefinition*, << 80 virtual ~G4BetheBlochModel();
71 81
72 G4double MinEnergyCut(const G4ParticleDefini << 82 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
73 const G4MaterialCutsCouple* couple) over <<
74 83
75 virtual G4double ComputeCrossSectionPerElect 84 virtual G4double ComputeCrossSectionPerElectron(
76 const G4ParticleDefinition*, 85 const G4ParticleDefinition*,
77 G4double kineticEnergy, 86 G4double kineticEnergy,
78 G4double cutEnergy, 87 G4double cutEnergy,
79 G4double maxEnergy); 88 G4double maxEnergy);
80 89
81 G4double ComputeCrossSectionPerAtom( << 90 virtual G4double ComputeCrossSectionPerAtom(
82 const G4ParticleDefinition*, 91 const G4ParticleDefinition*,
83 G4double kineticEnergy, 92 G4double kineticEnergy,
84 G4double Z, G4double A, 93 G4double Z, G4double A,
85 G4double cutEnergy, 94 G4double cutEnergy,
86 G4double maxEnergy) override; << 95 G4double maxEnergy);
87 96
88 G4double CrossSectionPerVolume(const G4Mater << 97 virtual G4double CrossSectionPerVolume(const G4Material*,
89 const G4ParticleDefinition*, 98 const G4ParticleDefinition*,
90 G4double kineticEnergy, 99 G4double kineticEnergy,
91 G4double cutEnergy, 100 G4double cutEnergy,
92 G4double maxEnergy) override; << 101 G4double maxEnergy);
93 102
94 G4double ComputeDEDXPerVolume(const G4Materi << 103 virtual G4double ComputeDEDXPerVolume(const G4Material*,
95 const G4ParticleDefinition*, << 104 const G4ParticleDefinition*,
96 G4double kineticEnergy, << 105 G4double kineticEnergy,
97 G4double cutEnergy) override; << 106 G4double cutEnergy);
98 << 107
99 G4double GetChargeSquareRatio(const G4Partic << 108 virtual G4double GetChargeSquareRatio(const G4ParticleDefinition* p,
100 const G4Material* mat, << 109 const G4Material* mat,
101 G4double kineticEnergy) override; << 110 G4double kineticEnergy);
102 << 111
103 G4double GetParticleCharge(const G4ParticleD << 112 virtual G4double GetParticleCharge(const G4ParticleDefinition* p,
104 const G4Material* mat, << 113 const G4Material* mat,
105 G4double kineticEnergy) override; << 114 G4double kineticEnergy);
106 << 115
107 void CorrectionsAlongStep(const G4MaterialCu << 116 virtual void CorrectionsAlongStep(const G4MaterialCutsCouple* couple,
108 const G4DynamicParticle* dp, << 117 const G4DynamicParticle* dp,
109 const G4double& length, << 118 G4double& eloss,
110 G4double& eloss) override; << 119 G4double&,
111 << 120 G4double length);
112 void SampleSecondaries(std::vector<G4Dynamic << 121
113 const G4MaterialCutsCouple*, << 122 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
114 const G4DynamicParticle*, << 123 const G4MaterialCutsCouple*,
115 G4double tmin, << 124 const G4DynamicParticle*,
116 G4double maxEnergy) override; << 125 G4double tmin,
117 << 126 G4double maxEnergy);
118 // hide assignment operator <<
119 G4BetheBlochModel & operator=(const G4BetheB <<
120 G4BetheBlochModel(const G4BetheBlochModel&) <<
121 127
122 protected: 128 protected:
123 129
124 G4double MaxSecondaryEnergy(const G4Particle << 130 virtual G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
125 G4double kinEnergy) override; << 131 G4double kinEnergy);
126 132
127 inline G4double GetChargeSquareRatio() const 133 inline G4double GetChargeSquareRatio() const;
128 134
129 inline void SetChargeSquareRatio(G4double va 135 inline void SetChargeSquareRatio(G4double val);
130 136
131 private: 137 private:
132 138
133 void SetupParameters(const G4ParticleDefinit << 139 void SetupParameters();
>> 140
>> 141 inline void SetParticle(const G4ParticleDefinition* p);
>> 142
>> 143 inline void SetGenericIon(const G4ParticleDefinition* p);
134 144
135 const G4ParticleDefinition* particle = nullp << 145 // hide assignment operator
136 const G4ParticleDefinition* theElectron; << 146 G4BetheBlochModel & operator=(const G4BetheBlochModel &right);
>> 147 G4BetheBlochModel(const G4BetheBlochModel&);
>> 148
>> 149 const G4ParticleDefinition* particle;
>> 150 G4ParticleDefinition* theElectron;
137 G4EmCorrections* corr; 151 G4EmCorrections* corr;
138 G4ParticleChangeForLoss* fParticleChange << 152 G4ParticleChangeForLoss* fParticleChange;
139 G4NistManager* nist; 153 G4NistManager* nist;
140 G4ICRU90StoppingData* fICRU90 = nullpt <<
141 const G4Material* currentMaterial <<
142 const G4Material* baseMaterial = n <<
143 <<
144 G4double mass = 0.0; <<
145 G4double tlimit = DBL_MAX; <<
146 G4double spin = 0.0; <<
147 G4double magMoment2 = 0.0; <<
148 G4double chargeSquare = 1.0; <<
149 G4double ratio = 1.0; <<
150 G4double formfact = 0.0; <<
151 G4double twoln10; <<
152 G4double fAlphaTlimit; <<
153 G4double fProtonTlimit; <<
154 154
155 G4int iICRU90 = -1; << 155 G4double mass;
156 G4bool isIon = false; << 156 G4double tlimit;
157 G4bool isAlpha = false; << 157 G4double spin;
>> 158 G4double magMoment2;
>> 159 G4double chargeSquare;
>> 160 G4double ratio;
>> 161 G4double formfact;
>> 162 G4double twoln10;
>> 163 G4double bg2lim;
>> 164 G4double taulim;
>> 165 G4double corrFactor;
>> 166 G4bool isIon;
>> 167 G4bool isInitialised;
158 }; 168 };
>> 169
>> 170 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 171
>> 172 inline void G4BetheBlochModel::SetParticle(const G4ParticleDefinition* p)
>> 173 {
>> 174 if(particle != p) {
>> 175 particle = p;
>> 176 if(p->GetBaryonNumber() > 3 || p->GetPDGCharge() > 1.5*CLHEP::eplus)
>> 177 { isIon = true; }
>> 178 SetupParameters();
>> 179 }
>> 180 }
>> 181
>> 182 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 183
>> 184 inline void G4BetheBlochModel::SetGenericIon(const G4ParticleDefinition* p)
>> 185 {
>> 186 if(p && particle != p) {
>> 187 if(p->GetParticleName() == "GenericIon") { isIon = true; }
>> 188 }
>> 189 }
159 190
160 //....oooOO0OOooo........oooOO0OOooo........oo 191 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
161 192
162 inline G4double G4BetheBlochModel::GetChargeSq 193 inline G4double G4BetheBlochModel::GetChargeSquareRatio() const
163 { 194 {
164 return chargeSquare; 195 return chargeSquare;
165 } 196 }
166 197
167 //....oooOO0OOooo........oooOO0OOooo........oo 198 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
168 199
169 inline void G4BetheBlochModel::SetChargeSquare 200 inline void G4BetheBlochModel::SetChargeSquareRatio(G4double val)
170 { 201 {
171 chargeSquare = val; 202 chargeSquare = val;
172 } 203 }
173 204
174 //....oooOO0OOooo........oooOO0OOooo........oo 205 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
175 206
176 #endif 207 #endif
177 208