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>> 26 // $Id: G4ICRU73QOModel.hh,v 1.3 2010-06-04 09:09:31 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-04-patch-02 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class header file 31 // GEANT4 Class header file
30 // 32 //
31 // 33 //
32 // File name: G4ICRU73QOModel 34 // File name: G4ICRU73QOModel
33 // 35 //
34 // Author: Alexander Bagulya 36 // Author: Alexander Bagulya
35 // 37 //
36 // Creation date: 21.05.2010 38 // Creation date: 21.05.2010
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 41 //
40 // 42 //
41 // Class Description: 43 // Class Description:
42 // 44 //
43 // Quantum Harmonic Oscillator Model for energ 45 // Quantum Harmonic Oscillator Model for energy loss using atomic shell
44 // structure of atoms taking into account Q^2 46 // structure of atoms taking into account Q^2 (main for projectile charge Q),
45 // Q^3 and Q^4 terms for computation of energy 47 // Q^3 and Q^4 terms for computation of energy loss due to binary collisions.
46 // Can be applied on heavy negatively charged 48 // Can be applied on heavy negatively charged particles for the energy interval
47 // 10 keV - 10 MeV scaled to the proton mass. 49 // 10 keV - 10 MeV scaled to the proton mass.
48 // 50 //
49 // Used data and formula of 51 // Used data and formula of
50 // 1. G4QAOLowEnergyLoss class, S.Chauvie, P.N 52 // 1. G4QAOLowEnergyLoss class, S.Chauvie, P.Nieminen, M.G.Pia. IEEE Trans.
51 // Nucl. Sci. 54 (2007) 578. 53 // Nucl. Sci. 54 (2007) 578.
52 // 2. ShellStrength and ShellEnergy from ICRU' 54 // 2. ShellStrength and ShellEnergy from ICRU'73 Report 2005,
53 // 3. Data for Ta (Z=73) from P.Sigmund, A.Shi 55 // 3. Data for Ta (Z=73) from P.Sigmund, A.Shinner. Eur. Phys. J. D15 (2001)
54 // 165-172 56 // 165-172
55 // 57 //
56 // ------------------------------------------- 58 // -------------------------------------------------------------------
57 // 59 //
58 60
59 #ifndef G4ICRU73QOModel_h 61 #ifndef G4ICRU73QOModel_h
60 #define G4ICRU73QOModel_h 1 62 #define G4ICRU73QOModel_h 1
61 63
62 #include <CLHEP/Units/PhysicalConstants.h> <<
63 <<
64 #include "G4VEmModel.hh" 64 #include "G4VEmModel.hh"
65 #include "G4AtomicShells.hh" 65 #include "G4AtomicShells.hh"
66 #include "G4DensityEffectData.hh" 66 #include "G4DensityEffectData.hh"
67 67
68 class G4ParticleChangeForLoss; 68 class G4ParticleChangeForLoss;
69 69
70 class G4ICRU73QOModel : public G4VEmModel 70 class G4ICRU73QOModel : public G4VEmModel
71 { 71 {
72 72
73 public: 73 public:
74 74
75 explicit G4ICRU73QOModel(const G4ParticleDef << 75 G4ICRU73QOModel(const G4ParticleDefinition* p = 0,
76 const G4String& nam << 76 const G4String& nam = "ICRU73QO");
77 77
78 ~G4ICRU73QOModel() = default; << 78 virtual ~G4ICRU73QOModel();
79 79
80 void Initialise(const G4ParticleDefinition*, << 80 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
81 81
82 G4double ComputeCrossSectionPerElectron( << 82 virtual G4double MinEnergyCut(const G4ParticleDefinition*,
83 const G4Parti << 83 const G4MaterialCutsCouple*);
84 G4double kine << 84
85 G4double cutE << 85 virtual G4double ComputeCrossSectionPerElectron(
86 G4double maxE << 86 const G4ParticleDefinition*,
87 << 87 G4double kineticEnergy,
88 G4double ComputeCrossSectionPerAtom( << 88 G4double cutEnergy,
89 const G4Parti << 89 G4double maxEnergy);
90 G4double kine << 90
91 G4double Z, G << 91 virtual G4double ComputeCrossSectionPerAtom(
92 G4double cutE << 92 const G4ParticleDefinition*,
93 G4double maxE << 93 G4double kineticEnergy,
94 << 94 G4double Z, G4double A,
95 G4double CrossSectionPerVolume(const G4Mater << 95 G4double cutEnergy,
96 const G4Parti << 96 G4double maxEnergy);
97 G4double kine << 97
98 G4double cutE << 98 virtual G4double CrossSectionPerVolume(const G4Material*,
99 G4double maxE << 99 const G4ParticleDefinition*,
100 << 100 G4double kineticEnergy,
101 G4double ComputeDEDXPerVolume(const G4Materi << 101 G4double cutEnergy,
102 const G4ParticleDefinition*, << 102 G4double maxEnergy);
103 G4double kineticEnergy, << 103
104 G4double) override; << 104 virtual G4double ComputeDEDXPerVolume(const G4Material*,
105 << 105 const G4ParticleDefinition*,
106 void SampleSecondaries(std::vector<G4Dynamic << 106 G4double kineticEnergy,
107 const G4MaterialCutsCouple*, << 107 G4double);
108 const G4DynamicParticle*, << 108
109 G4double tmin, << 109 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
110 G4double maxEnergy) override; << 110 const G4MaterialCutsCouple*,
>> 111 const G4DynamicParticle*,
>> 112 G4double tmin,
>> 113 G4double maxEnergy);
111 114
112 // add correction to energy loss and compute 115 // add correction to energy loss and compute non-ionizing energy loss
113 void CorrectionsAlongStep(const G4MaterialCu << 116 virtual void CorrectionsAlongStep(const G4MaterialCutsCouple*,
114 const G4DynamicParticle*, << 117 const G4DynamicParticle*,
115 const G4double& length, << 118 G4double& eloss,
116 G4double& eloss) override; << 119 G4double& niel,
>> 120 G4double length);
117 121
118 // hide assignment operator <<
119 G4ICRU73QOModel & operator=(const G4ICRU73Q <<
120 G4ICRU73QOModel(const G4ICRU73QOModel&) = d <<
121 <<
122 protected: 122 protected:
123 123
124 G4double MaxSecondaryEnergy(const G4Particle << 124 virtual G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
125 G4double kinEnergy) final; << 125 G4double kinEnergy);
126 126
127 private: 127 private:
128 128
129 inline void SetParticle(const G4ParticleDefi 129 inline void SetParticle(const G4ParticleDefinition* p);
130 inline void SetLowestKinEnergy(G4double val) << 130 inline void SetLowestKinEnergy(const G4double val);
131 131
132 G4double DEDX(const G4Material* material, G4 132 G4double DEDX(const G4Material* material, G4double kineticEnergy);
133 133
134 G4double DEDXPerElement(G4int Z, G4double ki 134 G4double DEDXPerElement(G4int Z, G4double kineticEnergy);
135 135
136 // get number of shell, energy and oscillato << 136 // hide assignment operator
>> 137 G4ICRU73QOModel & operator=(const G4ICRU73QOModel &right);
>> 138 G4ICRU73QOModel(const G4ICRU73QOModel&);
>> 139
>> 140 const G4ParticleDefinition* particle;
>> 141 G4ParticleDefinition* theElectron;
>> 142 G4ParticleChangeForLoss* fParticleChange;
>> 143 G4DensityEffectData* denEffData;
>> 144
>> 145 G4double mass;
>> 146 G4double q;
>> 147 G4double chargeSquare;
>> 148 G4double massRate;
>> 149 G4double ratio;
>> 150 G4double lowestKinEnergy;
>> 151
>> 152 G4bool isInitialised;
>> 153
>> 154 // get number of shell, energy and oscillator strenghts for material
137 G4int GetNumberOfShells(G4int Z) const; 155 G4int GetNumberOfShells(G4int Z) const;
138 156
139 G4double GetShellEnergy(G4int Z, G4int nbOfT 157 G4double GetShellEnergy(G4int Z, G4int nbOfTheShell) const;
140 G4double GetOscillatorEnergy(G4int Z, G4int 158 G4double GetOscillatorEnergy(G4int Z, G4int nbOfTheShell) const;
141 G4double GetShellStrength(G4int Z, G4int nbO 159 G4double GetShellStrength(G4int Z, G4int nbOfTheShell) const;
142 160
143 // calculate stopping number for L's term 161 // calculate stopping number for L's term
144 G4double GetL0(G4double normEnergy) const; 162 G4double GetL0(G4double normEnergy) const;
145 // terms in Z^2 163 // terms in Z^2
146 G4double GetL1(G4double normEnergy) const; 164 G4double GetL1(G4double normEnergy) const;
147 // terms in Z^3 165 // terms in Z^3
148 G4double GetL2(G4double normEnergy) const; 166 G4double GetL2(G4double normEnergy) const;
149 // terms in Z^4 167 // terms in Z^4
150 168
151 const G4ParticleDefinition* particle; <<
152 G4ParticleDefinition* theElectron; <<
153 G4ParticleChangeForLoss* fParticleChange; <<
154 G4DensityEffectData* denEffData; <<
155 <<
156 G4double mass; <<
157 G4double charge; <<
158 G4double chargeSquare; <<
159 G4double massRate; <<
160 G4double ratio; <<
161 G4double lowestKinEnergy; <<
162 <<
163 G4bool isInitialised; <<
164 169
165 // Z of element at now avaliable for the mod 170 // Z of element at now avaliable for the model
166 static const G4int NQOELEM = 26; 171 static const G4int NQOELEM = 26;
167 static const G4int NQODATA = 130; 172 static const G4int NQODATA = 130;
168 static const G4int ZElementAvailable[NQOELEM 173 static const G4int ZElementAvailable[NQOELEM];
169 174
170 // number, energy and oscillator strengths << 175 // number, energy and oscillator strenghts
171 // for an harmonic oscillator model of mater 176 // for an harmonic oscillator model of material
172 static const G4int startElemIndex[NQOELEM]; 177 static const G4int startElemIndex[NQOELEM];
173 static const G4int nbofShellsForElement[NQOE 178 static const G4int nbofShellsForElement[NQOELEM];
174 static const G4double ShellEnergy[NQODATA]; 179 static const G4double ShellEnergy[NQODATA];
175 static const G4double SubShellOccupation[NQO 180 static const G4double SubShellOccupation[NQODATA]; // Z * ShellStrength
176 181
177 G4int indexZ[100]; 182 G4int indexZ[100];
178 183
179 // variable for calculation of stopping num 184 // variable for calculation of stopping number of L's term
180 static const G4double L0[67][2]; 185 static const G4double L0[67][2];
181 static const G4double L1[22][2]; 186 static const G4double L1[22][2];
182 static const G4double L2[14][2]; 187 static const G4double L2[14][2];
183 188
184 G4int sizeL0; 189 G4int sizeL0;
185 G4int sizeL1; 190 G4int sizeL1;
186 G4int sizeL2; 191 G4int sizeL2;
187 192
188 static const G4double factorBethe[99]; 193 static const G4double factorBethe[99];
189 194
190 }; 195 };
191 196
192 //....oooOO0OOooo........oooOO0OOooo........oo 197 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
193 198
194 inline void G4ICRU73QOModel::SetParticle(const 199 inline void G4ICRU73QOModel::SetParticle(const G4ParticleDefinition* p)
195 { 200 {
196 particle = p; 201 particle = p;
197 mass = particle->GetPDGMass(); 202 mass = particle->GetPDGMass();
198 charge = particle->GetPDGCharge()/CLHEP::epl << 203 q = particle->GetPDGCharge()/eplus;
199 chargeSquare = charge*charge; << 204 chargeSquare = q*q;
200 massRate = mass/CLHEP::proton_mass_c2; << 205 massRate = mass/proton_mass_c2;
201 ratio = CLHEP::electron_mass_c2/mass; << 206 ratio = electron_mass_c2/mass;
>> 207 }
>> 208
>> 209 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 210
>> 211 inline G4int G4ICRU73QOModel::GetNumberOfShells(G4int Z) const
>> 212 {
>> 213 G4int nShell = 0;
>> 214
>> 215 if(indexZ[Z] >= 0) { nShell = nbofShellsForElement[indexZ[Z]];
>> 216 } else { nShell = G4AtomicShells::GetNumberOfShells(Z); }
>> 217
>> 218 return nShell;
>> 219 }
>> 220
>> 221 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 222
>> 223 inline G4double G4ICRU73QOModel::GetShellEnergy(G4int Z,
>> 224 G4int nbOfTheShell) const
>> 225 {
>> 226 G4double shellEnergy = 0.;
>> 227
>> 228 G4int idx = indexZ[Z];
>> 229
>> 230 if(indexZ[Z] >= 0) { shellEnergy = ShellEnergy[startElemIndex[idx] + nbOfTheShell]*eV;
>> 231 } else { shellEnergy = GetOscillatorEnergy(Z, nbOfTheShell); }
>> 232
>> 233 return shellEnergy;
>> 234 }
>> 235
>> 236 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 237
>> 238 inline G4double G4ICRU73QOModel::GetShellStrength(G4int Z,
>> 239 G4int nbOfTheShell) const
>> 240 {
>> 241 G4double shellStrength = 0.;
>> 242
>> 243 G4int idx = indexZ[Z];
>> 244
>> 245 if(indexZ[Z] >= 0) { shellStrength = SubShellOccupation[startElemIndex[idx] + nbOfTheShell] / Z;
>> 246 } else { shellStrength = 1.0 / Z * G4AtomicShells::GetNumberOfElectrons(Z,nbOfTheShell); }
>> 247
>> 248 return shellStrength;
202 } 249 }
203 250
204 //....oooOO0OOooo........oooOO0OOooo........oo 251 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
205 252
206 inline void G4ICRU73QOModel::SetLowestKinEnerg << 253 inline void G4ICRU73QOModel::SetLowestKinEnergy(const G4double val)
207 { 254 {
208 lowestKinEnergy = val; 255 lowestKinEnergy = val;
209 } 256 }
210 257
211 #endif 258 #endif
212 259