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25 // 25 //
>> 26 // $Id: G4BraggIonModel.hh,v 1.11 2008/10/22 16:00:57 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-02-patch-01 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class header file 31 // GEANT4 Class header file
30 // 32 //
31 // 33 //
32 // File name: G4BraggIonModel 34 // File name: G4BraggIonModel
33 // 35 //
34 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko
35 // 37 //
36 // Creation date: 13.10.2004 38 // Creation date: 13.10.2004
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 09-11-04 Migration to new interface of Stor 41 // 09-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
40 // 11-05-05 Major optimisation of internal int 42 // 11-05-05 Major optimisation of internal interfaces (V.Ivantchenko)
41 // 15-02-06 ComputeCrossSectionPerElectron, Co 43 // 15-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma)
42 // 25-04-06 Add stopping data from ASTAR (V.Iv 44 // 25-04-06 Add stopping data from ASTAR (V.Ivanchenko)
43 // 12-08-08 Added methods GetParticleCharge, G 45 // 12-08-08 Added methods GetParticleCharge, GetChargeSquareRatio,
44 // CorrectionsAlongStep needed for io 46 // CorrectionsAlongStep needed for ions(V.Ivanchenko)
45 47
46 // 48 //
47 // Class Description: 49 // Class Description:
48 // 50 //
49 // Implementation of energy loss and delta-ele 51 // Implementation of energy loss and delta-electron production
50 // by heavy slow charged particles using ICRU' << 52 // by heavy slow charged particles using ICRU'49 and NIST evaluated data
51 // evaluated data for alpha and protons << 53 // for He4 ions
52 54
53 // ------------------------------------------- 55 // -------------------------------------------------------------------
54 // 56 //
55 57
56 #ifndef G4BraggIonModel_h 58 #ifndef G4BraggIonModel_h
57 #define G4BraggIonModel_h 1 59 #define G4BraggIonModel_h 1
58 60
59 #include "G4BraggModel.hh" << 61 #include "G4VEmModel.hh"
>> 62 #include "G4ASTARStopping.hh"
60 63
61 class G4ASTARStopping; << 64 class G4ParticleChangeForLoss;
>> 65 class G4EmCorrections;
62 66
63 class G4BraggIonModel : public G4BraggModel << 67 class G4BraggIonModel : public G4VEmModel
64 { 68 {
65 69
66 public: 70 public:
67 71
68 explicit G4BraggIonModel(const G4ParticleDef << 72 G4BraggIonModel(const G4ParticleDefinition* p = 0,
69 const G4String& nam = "BraggIon"); << 73 const G4String& nam = "BraggIon");
70 74
71 ~G4BraggIonModel() override; << 75 virtual ~G4BraggIonModel();
72 76
73 void Initialise(const G4ParticleDefinition*, << 77 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
74 const G4DataVector&) override; <<
75 78
76 G4double ComputeCrossSectionPerAtom( << 79 G4double MinEnergyCut(const G4ParticleDefinition*,
>> 80 const G4MaterialCutsCouple*);
>> 81
>> 82 virtual G4double ComputeCrossSectionPerElectron(
>> 83 const G4ParticleDefinition*,
>> 84 G4double kineticEnergy,
>> 85 G4double cutEnergy,
>> 86 G4double maxEnergy);
>> 87
>> 88 virtual G4double ComputeCrossSectionPerAtom(
77 const G4ParticleDefinition*, 89 const G4ParticleDefinition*,
78 G4double kineticEnergy, 90 G4double kineticEnergy,
79 G4double Z, G4double A, 91 G4double Z, G4double A,
80 G4double cutEnergy, 92 G4double cutEnergy,
81 G4double maxEnergy) override; << 93 G4double maxEnergy);
82 << 94
83 G4double CrossSectionPerVolume(const G4Mater << 95 virtual G4double CrossSectionPerVolume(const G4Material*,
84 const G4ParticleDefinition*, 96 const G4ParticleDefinition*,
85 G4double kineticEnergy, 97 G4double kineticEnergy,
86 G4double cutEnergy, 98 G4double cutEnergy,
87 G4double maxEnergy) override; << 99 G4double maxEnergy);
>> 100
>> 101 virtual G4double ComputeDEDXPerVolume(const G4Material*,
>> 102 const G4ParticleDefinition*,
>> 103 G4double kineticEnergy,
>> 104 G4double cutEnergy);
88 105
89 G4double ComputeDEDXPerVolume(const G4Materi << 106 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
90 const G4Partic << 107 const G4MaterialCutsCouple*,
91 G4double kinet << 108 const G4DynamicParticle*,
92 G4double cutEn << 109 G4double tmin,
93 << 110 G4double maxEnergy);
94 // Compute ion charge not applied to alpha << 111
95 G4double GetChargeSquareRatio(const G4Partic << 112 // Compute ion charge
96 const G4Material*, << 113 virtual G4double GetChargeSquareRatio(const G4ParticleDefinition*,
97 G4double kineticEnergy) override; << 114 const G4Material*,
>> 115 G4double kineticEnergy);
>> 116
>> 117 virtual G4double GetParticleCharge(const G4ParticleDefinition* p,
>> 118 const G4Material* mat,
>> 119 G4double kineticEnergy);
98 120
99 // add correction to energy loss and ompute 121 // add correction to energy loss and ompute non-ionizing energy loss
100 void CorrectionsAlongStep(const G4MaterialCu << 122 virtual void CorrectionsAlongStep(const G4MaterialCutsCouple*,
101 const G4DynamicParticle*, << 123 const G4DynamicParticle*,
102 const G4double& length, << 124 G4double& eloss,
103 G4double& eloss) override; << 125 G4double& niel,
>> 126 G4double length);
104 127
105 // hide assignment operator << 128 protected:
106 G4BraggIonModel & operator=(const G4BraggIo << 129
107 G4BraggIonModel(const G4BraggIonModel&) = d << 130 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
>> 131 G4double kinEnergy);
108 132
109 private: 133 private:
110 134
111 G4double HeEffChargeSquare(const G4double z, << 135 void SetParticle(const G4ParticleDefinition* p);
112 const G4double ki << 136
>> 137 G4double HeEffChargeSquare(G4double z, G4double kinEnergyInMeV) const;
>> 138
>> 139 // hide assignment operator
>> 140 G4BraggIonModel & operator=(const G4BraggIonModel &right);
>> 141 G4BraggIonModel(const G4BraggIonModel&);
113 142
114 G4int HasMaterialForHe(const G4Material* mat << 143 G4bool HasMaterial(const G4Material* material);
115 144
116 G4double HeStoppingPower(const G4double kinE << 145 G4double StoppingPower(const G4Material* material,
>> 146 G4double kineticEnergy);
117 147
118 G4double HeElectronicStoppingPower(const G4i << 148 G4double ElectronicStoppingPower(G4double z,
>> 149 G4double kineticEnergy) const;
119 150
120 G4double HeDEDX(const G4Material* material, << 151 void SetMoleculaNumber(G4int number) {iMolecula = number;};
121 152
122 static G4ASTARStopping* fASTAR; << 153 G4double DEDX(const G4Material* material, G4double kineticEnergy);
123 154
124 G4double heChargeSquare = 4.0; << 155 G4EmCorrections* corr;
>> 156
>> 157 const G4ParticleDefinition* particle;
>> 158 G4ParticleDefinition* theElectron;
>> 159 G4ParticleChangeForLoss* fParticleChange;
>> 160
>> 161 G4ASTARStopping astar;
>> 162
>> 163 G4double mass;
>> 164 G4double spin;
>> 165 G4double chargeSquare;
>> 166 G4double massRate;
>> 167 G4double ratio;
>> 168 G4double lowestKinEnergy;
125 G4double HeMass; 169 G4double HeMass;
126 G4double massFactor; 170 G4double massFactor;
127 << 171 G4double corrFactor;
128 G4int iASTAR = -1; // index in ASTAR << 172 G4double rateMassHe2p;
129 G4bool isAlpha = false; << 173 G4double theZieglerFactor;
130 G4bool isFirstAlpha = false; << 174
>> 175 G4int iMolecula; // index in the molecula's table
>> 176 G4bool isIon;
>> 177 G4bool isInitialised;
131 }; 178 };
>> 179
>> 180 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 181
>> 182 inline G4double G4BraggIonModel::MaxSecondaryEnergy(
>> 183 const G4ParticleDefinition* pd,
>> 184 G4double kinEnergy)
>> 185 {
>> 186 if(pd != particle) SetParticle(pd);
>> 187 G4double tau = kinEnergy/mass;
>> 188 G4double tmax = 2.0*electron_mass_c2*tau*(tau + 2.) /
>> 189 (1. + 2.0*(tau + 1.)*ratio + ratio*ratio);
>> 190 return tmax;
>> 191 }
>> 192
>> 193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 194
>> 195 inline void G4BraggIonModel::SetParticle(const G4ParticleDefinition* p)
>> 196 {
>> 197 particle = p;
>> 198 mass = particle->GetPDGMass();
>> 199 spin = particle->GetPDGSpin();
>> 200 G4double q = particle->GetPDGCharge()/eplus;
>> 201 chargeSquare = q*q;
>> 202 massRate = mass/proton_mass_c2;
>> 203 ratio = electron_mass_c2/mass;
>> 204 }
132 205
133 //....oooOO0OOooo........oooOO0OOooo........oo 206 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
134 207
135 #endif 208 #endif
136 209