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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: G4ICRU73QOModel 32 // File name: G4ICRU73QOModel
33 // 33 //
34 // Author: Alexander Bagulya 34 // Author: Alexander Bagulya
35 // 35 //
36 // Creation date: 21.05.2010 36 // Creation date: 21.05.2010
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 39 //
40 // 40 //
41 // Class Description: 41 // Class Description:
42 // 42 //
43 // Quantum Harmonic Oscillator Model for energ 43 // Quantum Harmonic Oscillator Model for energy loss using atomic shell
44 // structure of atoms taking into account Q^2 44 // structure of atoms taking into account Q^2 (main for projectile charge Q),
45 // Q^3 and Q^4 terms for computation of energy 45 // Q^3 and Q^4 terms for computation of energy loss due to binary collisions.
46 // Can be applied on heavy negatively charged 46 // Can be applied on heavy negatively charged particles for the energy interval
47 // 10 keV - 10 MeV scaled to the proton mass. 47 // 10 keV - 10 MeV scaled to the proton mass.
48 // 48 //
49 // Used data and formula of 49 // Used data and formula of
50 // 1. G4QAOLowEnergyLoss class, S.Chauvie, P.N 50 // 1. G4QAOLowEnergyLoss class, S.Chauvie, P.Nieminen, M.G.Pia. IEEE Trans.
51 // Nucl. Sci. 54 (2007) 578. 51 // Nucl. Sci. 54 (2007) 578.
52 // 2. ShellStrength and ShellEnergy from ICRU' 52 // 2. ShellStrength and ShellEnergy from ICRU'73 Report 2005,
53 // 3. Data for Ta (Z=73) from P.Sigmund, A.Shi 53 // 3. Data for Ta (Z=73) from P.Sigmund, A.Shinner. Eur. Phys. J. D15 (2001)
54 // 165-172 54 // 165-172
55 // 55 //
56 // ------------------------------------------- 56 // -------------------------------------------------------------------
57 // 57 //
58 58
59 #ifndef G4ICRU73QOModel_h 59 #ifndef G4ICRU73QOModel_h
60 #define G4ICRU73QOModel_h 1 60 #define G4ICRU73QOModel_h 1
61 61
62 #include <CLHEP/Units/PhysicalConstants.h> 62 #include <CLHEP/Units/PhysicalConstants.h>
63 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 explicit G4ICRU73QOModel(const G4ParticleDefinition* p = 0,
76 const G4String& nam 76 const G4String& nam = "ICRU73QO");
77 77
78 ~G4ICRU73QOModel() = default; 78 ~G4ICRU73QOModel() = default;
79 79
80 void Initialise(const G4ParticleDefinition*, 80 void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
81 81
82 G4double ComputeCrossSectionPerElectron( 82 G4double ComputeCrossSectionPerElectron(
83 const G4Parti 83 const G4ParticleDefinition*,
84 G4double kine 84 G4double kineticEnergy,
85 G4double cutE 85 G4double cutEnergy,
86 G4double maxE 86 G4double maxEnergy);
87 87
88 G4double ComputeCrossSectionPerAtom( 88 G4double ComputeCrossSectionPerAtom(
89 const G4Parti 89 const G4ParticleDefinition*,
90 G4double kine 90 G4double kineticEnergy,
91 G4double Z, G 91 G4double Z, G4double A,
92 G4double cutE 92 G4double cutEnergy,
93 G4double maxE 93 G4double maxEnergy) override;
94 94
95 G4double CrossSectionPerVolume(const G4Mater 95 G4double CrossSectionPerVolume(const G4Material*,
96 const G4Parti 96 const G4ParticleDefinition*,
97 G4double kine 97 G4double kineticEnergy,
98 G4double cutE 98 G4double cutEnergy,
99 G4double maxE 99 G4double maxEnergy) override;
100 100
101 G4double ComputeDEDXPerVolume(const G4Materi 101 G4double ComputeDEDXPerVolume(const G4Material*,
102 const G4ParticleDefinition*, 102 const G4ParticleDefinition*,
103 G4double kineticEnergy, 103 G4double kineticEnergy,
104 G4double) override; 104 G4double) override;
105 105
106 void SampleSecondaries(std::vector<G4Dynamic 106 void SampleSecondaries(std::vector<G4DynamicParticle*>*,
107 const G4MaterialCutsCouple*, 107 const G4MaterialCutsCouple*,
108 const G4DynamicParticle*, 108 const G4DynamicParticle*,
109 G4double tmin, 109 G4double tmin,
110 G4double maxEnergy) override; 110 G4double maxEnergy) override;
111 111
112 // add correction to energy loss and compute 112 // add correction to energy loss and compute non-ionizing energy loss
113 void CorrectionsAlongStep(const G4MaterialCu 113 void CorrectionsAlongStep(const G4MaterialCutsCouple*,
114 const G4DynamicParticle*, 114 const G4DynamicParticle*,
115 const G4double& length, 115 const G4double& length,
116 G4double& eloss) override; 116 G4double& eloss) override;
117 117
118 // hide assignment operator 118 // hide assignment operator
119 G4ICRU73QOModel & operator=(const G4ICRU73Q 119 G4ICRU73QOModel & operator=(const G4ICRU73QOModel &right) = delete;
120 G4ICRU73QOModel(const G4ICRU73QOModel&) = d 120 G4ICRU73QOModel(const G4ICRU73QOModel&) = delete;
121 121
122 protected: 122 protected:
123 123
124 G4double MaxSecondaryEnergy(const G4Particle 124 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
125 G4double kinEnergy) final; 125 G4double kinEnergy) final;
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(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 // get number of shell, energy and oscillator strengths for material
137 G4int GetNumberOfShells(G4int Z) const; 137 G4int GetNumberOfShells(G4int Z) const;
138 138
139 G4double GetShellEnergy(G4int Z, G4int nbOfT 139 G4double GetShellEnergy(G4int Z, G4int nbOfTheShell) const;
140 G4double GetOscillatorEnergy(G4int Z, G4int 140 G4double GetOscillatorEnergy(G4int Z, G4int nbOfTheShell) const;
141 G4double GetShellStrength(G4int Z, G4int nbO 141 G4double GetShellStrength(G4int Z, G4int nbOfTheShell) const;
142 142
143 // calculate stopping number for L's term 143 // calculate stopping number for L's term
144 G4double GetL0(G4double normEnergy) const; 144 G4double GetL0(G4double normEnergy) const;
145 // terms in Z^2 145 // terms in Z^2
146 G4double GetL1(G4double normEnergy) const; 146 G4double GetL1(G4double normEnergy) const;
147 // terms in Z^3 147 // terms in Z^3
148 G4double GetL2(G4double normEnergy) const; 148 G4double GetL2(G4double normEnergy) const;
149 // terms in Z^4 149 // terms in Z^4
150 150
151 const G4ParticleDefinition* particle; 151 const G4ParticleDefinition* particle;
152 G4ParticleDefinition* theElectron; 152 G4ParticleDefinition* theElectron;
153 G4ParticleChangeForLoss* fParticleChange; 153 G4ParticleChangeForLoss* fParticleChange;
154 G4DensityEffectData* denEffData; 154 G4DensityEffectData* denEffData;
155 155
156 G4double mass; 156 G4double mass;
157 G4double charge; 157 G4double charge;
158 G4double chargeSquare; 158 G4double chargeSquare;
159 G4double massRate; 159 G4double massRate;
160 G4double ratio; 160 G4double ratio;
161 G4double lowestKinEnergy; 161 G4double lowestKinEnergy;
162 162
163 G4bool isInitialised; 163 G4bool isInitialised;
164 164
165 // Z of element at now avaliable for the mod 165 // Z of element at now avaliable for the model
166 static const G4int NQOELEM = 26; 166 static const G4int NQOELEM = 26;
167 static const G4int NQODATA = 130; 167 static const G4int NQODATA = 130;
168 static const G4int ZElementAvailable[NQOELEM 168 static const G4int ZElementAvailable[NQOELEM];
169 169
170 // number, energy and oscillator strengths 170 // number, energy and oscillator strengths
171 // for an harmonic oscillator model of mater 171 // for an harmonic oscillator model of material
172 static const G4int startElemIndex[NQOELEM]; 172 static const G4int startElemIndex[NQOELEM];
173 static const G4int nbofShellsForElement[NQOE 173 static const G4int nbofShellsForElement[NQOELEM];
174 static const G4double ShellEnergy[NQODATA]; 174 static const G4double ShellEnergy[NQODATA];
175 static const G4double SubShellOccupation[NQO 175 static const G4double SubShellOccupation[NQODATA]; // Z * ShellStrength
176 176
177 G4int indexZ[100]; 177 G4int indexZ[100];
178 178
179 // variable for calculation of stopping num 179 // variable for calculation of stopping number of L's term
180 static const G4double L0[67][2]; 180 static const G4double L0[67][2];
181 static const G4double L1[22][2]; 181 static const G4double L1[22][2];
182 static const G4double L2[14][2]; 182 static const G4double L2[14][2];
183 183
184 G4int sizeL0; 184 G4int sizeL0;
185 G4int sizeL1; 185 G4int sizeL1;
186 G4int sizeL2; 186 G4int sizeL2;
187 187
188 static const G4double factorBethe[99]; 188 static const G4double factorBethe[99];
189 189
190 }; 190 };
191 191
192 //....oooOO0OOooo........oooOO0OOooo........oo 192 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
193 193
194 inline void G4ICRU73QOModel::SetParticle(const 194 inline void G4ICRU73QOModel::SetParticle(const G4ParticleDefinition* p)
195 { 195 {
196 particle = p; 196 particle = p;
197 mass = particle->GetPDGMass(); 197 mass = particle->GetPDGMass();
198 charge = particle->GetPDGCharge()/CLHEP::epl 198 charge = particle->GetPDGCharge()/CLHEP::eplus;
199 chargeSquare = charge*charge; 199 chargeSquare = charge*charge;
200 massRate = mass/CLHEP::proton_mass_c2; 200 massRate = mass/CLHEP::proton_mass_c2;
201 ratio = CLHEP::electron_mass_c2/mass; 201 ratio = CLHEP::electron_mass_c2/mass;
202 } 202 }
203 203
204 //....oooOO0OOooo........oooOO0OOooo........oo 204 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
205 205
206 inline void G4ICRU73QOModel::SetLowestKinEnerg 206 inline void G4ICRU73QOModel::SetLowestKinEnergy(G4double val)
207 { 207 {
208 lowestKinEnergy = val; 208 lowestKinEnergy = val;
209 } 209 }
210 210
211 #endif 211 #endif
212 212