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25 // 25 //
>> 26 // $Id: G4BraggIonModel.hh,v 1.7 2006/06/29 19:50:06 gunter Exp $
>> 27 // GEANT4 tag $Name: geant4-08-01 $
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 <<
44 // CorrectionsAlongStep needed for io <<
45 45
46 // 46 //
47 // Class Description: 47 // Class Description:
48 // 48 //
49 // Implementation of energy loss and delta-ele 49 // Implementation of energy loss and delta-electron production
50 // by heavy slow charged particles using ICRU' << 50 // by heavy slow charged particles using eveluated data
51 // evaluated data for alpha and protons <<
52 51
53 // ------------------------------------------- 52 // -------------------------------------------------------------------
54 // 53 //
55 54
56 #ifndef G4BraggIonModel_h 55 #ifndef G4BraggIonModel_h
57 #define G4BraggIonModel_h 1 56 #define G4BraggIonModel_h 1
58 57
59 #include "G4BraggModel.hh" << 58 #include "G4VEmModel.hh"
>> 59 #include "G4ASTARStopping.hh"
60 60
61 class G4ASTARStopping; << 61 class G4ParticleChangeForLoss;
62 62
63 class G4BraggIonModel : public G4BraggModel << 63 class G4BraggIonModel : public G4VEmModel
64 { 64 {
65 65
66 public: 66 public:
67 67
68 explicit G4BraggIonModel(const G4ParticleDef << 68 G4BraggIonModel(const G4ParticleDefinition* p = 0,
69 const G4String& nam = "BraggIon"); << 69 const G4String& nam = "BraggIon");
70 70
71 ~G4BraggIonModel() override; << 71 virtual ~G4BraggIonModel();
72 72
73 void Initialise(const G4ParticleDefinition*, << 73 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
74 const G4DataVector&) override; <<
75 74
76 G4double ComputeCrossSectionPerAtom( << 75 G4double MinEnergyCut(const G4ParticleDefinition*,
>> 76 const G4MaterialCutsCouple*);
>> 77
>> 78 virtual G4double ComputeCrossSectionPerElectron(
>> 79 const G4ParticleDefinition*,
>> 80 G4double kineticEnergy,
>> 81 G4double cutEnergy,
>> 82 G4double maxEnergy);
>> 83
>> 84 virtual G4double ComputeCrossSectionPerAtom(
77 const G4ParticleDefinition*, 85 const G4ParticleDefinition*,
78 G4double kineticEnergy, 86 G4double kineticEnergy,
79 G4double Z, G4double A, 87 G4double Z, G4double A,
80 G4double cutEnergy, 88 G4double cutEnergy,
81 G4double maxEnergy) override; << 89 G4double maxEnergy);
82 << 90
83 G4double CrossSectionPerVolume(const G4Mater << 91 virtual G4double CrossSectionPerVolume(const G4Material*,
84 const G4ParticleDefinition*, 92 const G4ParticleDefinition*,
85 G4double kineticEnergy, 93 G4double kineticEnergy,
86 G4double cutEnergy, 94 G4double cutEnergy,
87 G4double maxEnergy) override; << 95 G4double maxEnergy);
>> 96
>> 97 virtual G4double ComputeDEDXPerVolume(const G4Material*,
>> 98 const G4ParticleDefinition*,
>> 99 G4double kineticEnergy,
>> 100 G4double cutEnergy);
88 101
89 G4double ComputeDEDXPerVolume(const G4Materi << 102 virtual std::vector<G4DynamicParticle*>* SampleSecondaries(
90 const G4Partic << 103 const G4MaterialCutsCouple*,
91 G4double kinet << 104 const G4DynamicParticle*,
92 G4double cutEn << 105 G4double tmin,
93 << 106 G4double maxEnergy);
94 // Compute ion charge not applied to alpha <<
95 G4double GetChargeSquareRatio(const G4Partic <<
96 const G4Material*, <<
97 G4double kineticEnergy) override; <<
98 <<
99 // add correction to energy loss and ompute <<
100 void CorrectionsAlongStep(const G4MaterialCu <<
101 const G4DynamicParticle*, <<
102 const G4double& length, <<
103 G4double& eloss) override; <<
104 107
105 // hide assignment operator << 108 protected:
106 G4BraggIonModel & operator=(const G4BraggIo << 109
107 G4BraggIonModel(const G4BraggIonModel&) = d << 110 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
>> 111 G4double kinEnergy);
108 112
109 private: 113 private:
110 114
111 G4double HeEffChargeSquare(const G4double z, << 115 void SetParticle(const G4ParticleDefinition* p);
112 const G4double ki <<
113 116
114 G4int HasMaterialForHe(const G4Material* mat << 117 G4double HeEffChargeSquare(G4double z, G4double kinEnergyInMeV) const;
>> 118
>> 119 // hide assignment operator
>> 120 G4BraggIonModel & operator=(const G4BraggIonModel &right);
>> 121 G4BraggIonModel(const G4BraggIonModel&);
115 122
116 G4double HeStoppingPower(const G4double kinE << 123 G4bool HasMaterial(const G4Material* material);
117 124
118 G4double HeElectronicStoppingPower(const G4i << 125 G4double StoppingPower(const G4Material* material,
>> 126 G4double kineticEnergy);
119 127
120 G4double HeDEDX(const G4Material* material, << 128 G4double ElectronicStoppingPower(G4double z,
>> 129 G4double kineticEnergy) const;
121 130
122 static G4ASTARStopping* fASTAR; << 131 void SetMoleculaNumber(G4int number) {iMolecula = number;};
123 132
124 G4double heChargeSquare = 4.0; << 133 G4double DEDX(const G4Material* material, G4double kineticEnergy);
>> 134
>> 135 const G4ParticleDefinition* particle;
>> 136 G4ParticleDefinition* theElectron;
>> 137 G4ParticleChangeForLoss* fParticleChange;
>> 138
>> 139 G4ASTARStopping astar;
>> 140
>> 141 G4double mass;
>> 142 G4double spin;
>> 143 G4double chargeSquare;
>> 144 G4double massRate;
>> 145 G4double ratio;
>> 146 G4double highKinEnergy;
>> 147 G4double lowKinEnergy;
>> 148 G4double lowestKinEnergy;
125 G4double HeMass; 149 G4double HeMass;
126 G4double massFactor; 150 G4double massFactor;
>> 151 G4double rateMassHe2p;
>> 152 G4double theZieglerFactor;
127 153
128 G4int iASTAR = -1; // index in ASTAR << 154 G4int iMolecula; // index in the molecula's table
129 G4bool isAlpha = false; << 155 G4bool isIon;
130 G4bool isFirstAlpha = false; <<
131 }; 156 };
>> 157
>> 158 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 159
>> 160 inline G4double G4BraggIonModel::MaxSecondaryEnergy(
>> 161 const G4ParticleDefinition* pd,
>> 162 G4double kinEnergy)
>> 163 {
>> 164 if(pd != particle) SetParticle(pd);
>> 165 G4double tau = kinEnergy/mass;
>> 166 G4double tmax = 2.0*electron_mass_c2*tau*(tau + 2.) /
>> 167 (1. + 2.0*(tau + 1.)*ratio + ratio*ratio);
>> 168 return tmax;
>> 169 }
>> 170
>> 171 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 172
>> 173 inline void G4BraggIonModel::SetParticle(const G4ParticleDefinition* p)
>> 174 {
>> 175 particle = p;
>> 176 mass = particle->GetPDGMass();
>> 177 spin = particle->GetPDGSpin();
>> 178 G4double q = particle->GetPDGCharge()/eplus;
>> 179 chargeSquare = q*q;
>> 180 massRate = mass/proton_mass_c2;
>> 181 ratio = electron_mass_c2/mass;
>> 182 }
132 183
133 //....oooOO0OOooo........oooOO0OOooo........oo 184 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
134 185
135 #endif 186 #endif
136 187