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25 // 22 //
>> 23 // $Id: G4BraggIonModel.hh,v 1.4 2005/05/12 11:06:42 vnivanch Exp $
>> 24 // GEANT4 tag $Name: geant4-07-01-patch-01 $
26 // 25 //
27 // ------------------------------------------- 26 // -------------------------------------------------------------------
28 // 27 //
29 // GEANT4 Class header file 28 // GEANT4 Class header file
30 // 29 //
31 // 30 //
32 // File name: G4BraggIonModel 31 // File name: G4BraggIonModel
33 // 32 //
34 // Author: Vladimir Ivanchenko 33 // Author: Vladimir Ivanchenko
35 // 34 //
36 // Creation date: 13.10.2004 35 // Creation date: 13.10.2004
37 // 36 //
38 // Modifications: 37 // Modifications:
39 // 09-11-04 Migration to new interface of Stor 38 // 09-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
40 // 11-05-05 Major optimisation of internal int 39 // 11-05-05 Major optimisation of internal interfaces (V.Ivantchenko)
41 // 15-02-06 ComputeCrossSectionPerElectron, Co <<
42 // 25-04-06 Add stopping data from ASTAR (V.Iv <<
43 // 12-08-08 Added methods GetParticleCharge, G <<
44 // CorrectionsAlongStep needed for io <<
45 <<
46 // 40 //
47 // Class Description: 41 // Class Description:
48 // 42 //
49 // Implementation of energy loss and delta-ele 43 // Implementation of energy loss and delta-electron production
50 // by heavy slow charged particles using ICRU' << 44 // by heavy slow charged particles using eveluated data
51 // evaluated data for alpha and protons <<
52 45
53 // ------------------------------------------- 46 // -------------------------------------------------------------------
54 // 47 //
55 48
56 #ifndef G4BraggIonModel_h 49 #ifndef G4BraggIonModel_h
57 #define G4BraggIonModel_h 1 50 #define G4BraggIonModel_h 1
58 51
59 #include "G4BraggModel.hh" << 52 #include "G4VEmModel.hh"
60 53
61 class G4ASTARStopping; << 54 class G4ParticleChangeForLoss;
62 55
63 class G4BraggIonModel : public G4BraggModel << 56 class G4BraggIonModel : public G4VEmModel
64 { 57 {
65 58
66 public: 59 public:
67 60
68 explicit G4BraggIonModel(const G4ParticleDef << 61 G4BraggIonModel(const G4ParticleDefinition* p = 0, const G4String& nam = "BraggIon");
69 const G4String& nam = "BraggIon"); <<
70 62
71 ~G4BraggIonModel() override; << 63 virtual ~G4BraggIonModel();
72 64
73 void Initialise(const G4ParticleDefinition*, << 65 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
74 const G4DataVector&) override; <<
75 66
76 G4double ComputeCrossSectionPerAtom( << 67 G4double MinEnergyCut(const G4ParticleDefinition*,
77 const G4ParticleDefinition*, << 68 const G4MaterialCutsCouple*);
78 G4double kineticEnergy, <<
79 G4double Z, G4double A, <<
80 G4double cutEnergy, <<
81 G4double maxEnergy) override; <<
82 <<
83 G4double CrossSectionPerVolume(const G4Mater <<
84 const G4ParticleDefinition*, <<
85 G4double kineticEnergy, <<
86 G4double cutEnergy, <<
87 G4double maxEnergy) override; <<
88 <<
89 G4double ComputeDEDXPerVolume(const G4Materi <<
90 const G4Partic <<
91 G4double kinet <<
92 G4double cutEn <<
93 <<
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 69
105 // hide assignment operator << 70 virtual G4double ComputeDEDXPerVolume(const G4Material*,
106 G4BraggIonModel & operator=(const G4BraggIo << 71 const G4ParticleDefinition*,
107 G4BraggIonModel(const G4BraggIonModel&) = d << 72 G4double kineticEnergy,
>> 73 G4double cutEnergy);
>> 74
>> 75 virtual G4double CrossSectionPerVolume(const G4Material*,
>> 76 const G4ParticleDefinition*,
>> 77 G4double kineticEnergy,
>> 78 G4double cutEnergy,
>> 79 G4double maxEnergy);
>> 80
>> 81 virtual std::vector<G4DynamicParticle*>* SampleSecondaries(
>> 82 const G4MaterialCutsCouple*,
>> 83 const G4DynamicParticle*,
>> 84 G4double tmin,
>> 85 G4double maxEnergy);
>> 86
>> 87 protected:
>> 88
>> 89 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
>> 90 G4double kinEnergy);
108 91
109 private: 92 private:
110 93
111 G4double HeEffChargeSquare(const G4double z, << 94 void SetParticle(const G4ParticleDefinition* p);
112 const G4double ki << 95
>> 96 G4double HeEffChargeSquare(G4double z, G4double kinEnergyInMeV) const;
>> 97
>> 98 // hide assignment operator
>> 99 G4BraggIonModel & operator=(const G4BraggIonModel &right);
>> 100 G4BraggIonModel(const G4BraggIonModel&);
>> 101
>> 102 G4bool HasMaterial(const G4Material* material);
113 103
114 G4int HasMaterialForHe(const G4Material* mat << 104 G4double StoppingPower(const G4Material* material,
>> 105 G4double kineticEnergy);
115 106
116 G4double HeStoppingPower(const G4double kinE << 107 G4double ElectronicStoppingPower(G4double z,
>> 108 G4double kineticEnergy) const;
117 109
118 G4double HeElectronicStoppingPower(const G4i << 110 void SetMoleculaNumber(G4int number) {iMolecula = number;};
119 111
120 G4double HeDEDX(const G4Material* material, << 112 G4double DEDX(const G4Material* material, G4double kineticEnergy);
121 113
122 static G4ASTARStopping* fASTAR; << 114 const G4ParticleDefinition* particle;
>> 115 G4ParticleDefinition* theElectron;
>> 116 G4ParticleChangeForLoss* fParticleChange;
123 117
124 G4double heChargeSquare = 4.0; << 118 G4double mass;
>> 119 G4double spin;
>> 120 G4double chargeSquare;
>> 121 G4double massRate;
>> 122 G4double ratio;
>> 123 G4double highKinEnergy;
>> 124 G4double lowKinEnergy;
>> 125 G4double lowestKinEnergy;
125 G4double HeMass; 126 G4double HeMass;
126 G4double massFactor; 127 G4double massFactor;
>> 128 G4double rateMassHe2p;
>> 129 G4double theZieglerFactor;
127 130
128 G4int iASTAR = -1; // index in ASTAR << 131 G4int iMolecula; // index in the molecula's table
129 G4bool isAlpha = false; << 132 G4bool isIon;
130 G4bool isFirstAlpha = false; <<
131 }; 133 };
132 134
133 //....oooOO0OOooo........oooOO0OOooo........oo << 135 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 136
>> 137 inline G4double G4BraggIonModel::MaxSecondaryEnergy(
>> 138 const G4ParticleDefinition* pd,
>> 139 G4double kinEnergy)
>> 140 {
>> 141 if(pd != particle) SetParticle(pd);
>> 142 G4double tau = kinEnergy/mass;
>> 143 G4double tmax = 2.0*electron_mass_c2*tau*(tau + 2.) /
>> 144 (1. + 2.0*(tau + 1.)*ratio + ratio*ratio);
>> 145 return tmax;
>> 146 }
>> 147
>> 148 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 149
>> 150 inline void G4BraggIonModel::SetParticle(const G4ParticleDefinition* p)
>> 151 {
>> 152 particle = p;
>> 153 mass = particle->GetPDGMass();
>> 154 spin = particle->GetPDGSpin();
>> 155 G4double q = particle->GetPDGCharge()/eplus;
>> 156 chargeSquare = q*q;
>> 157 massRate = mass/proton_mass_c2;
>> 158 ratio = electron_mass_c2/mass;
>> 159 }
>> 160
>> 161 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
134 162
135 #endif 163 #endif
136 164