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