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25 // 25 //
>> 26 // $Id: G4ionIonisation.hh,v 1.42 2007/01/17 09:17:56 maire Exp $
>> 27 // GEANT4 tag $Name: geant4-08-02-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: G4ionIonisation 34 // File name: G4ionIonisation
33 // 35 //
34 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko
35 // 37 //
36 // Creation date: 07.05.2002 38 // Creation date: 07.05.2002
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 41 //
40 // 26-12-02 Secondary production moved to deri 42 // 26-12-02 Secondary production moved to derived classes (VI)
41 // 24-01-03 Make models region aware (V.Ivanch 43 // 24-01-03 Make models region aware (V.Ivanchenko)
42 // 05-02-03 Fix compilation warnings (V.Ivanch 44 // 05-02-03 Fix compilation warnings (V.Ivanchenko)
43 // 13-02-03 SubCutoff regime is assigned to a 45 // 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko)
44 // 15-02-03 Add control on delta pointer (V.Iv 46 // 15-02-03 Add control on delta pointer (V.Ivanchenko)
45 // 23-05-03 Add fluctuation model as a member 47 // 23-05-03 Add fluctuation model as a member function (V.Ivanchenko)
46 // 03-08-03 Add effective charge and saturatio 48 // 03-08-03 Add effective charge and saturation of tmax (V.Ivanchenko)
47 // 12-11-03 Fix problem of negative effective 49 // 12-11-03 Fix problem of negative effective charge (V.Ivanchenko)
48 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossPro 50 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
49 // 21-01-04 Migrade to G4ParticleChangeForLoss 51 // 21-01-04 Migrade to G4ParticleChangeForLoss (V.Ivanchenko)
50 // 08-11-04 Migration to new interface of Stor 52 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
51 // 08-04-05 Major optimisation of internal int 53 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
52 // 11-04-05 Move MaxSecondary energy to model 54 // 11-04-05 Move MaxSecondary energy to model (V.Ivanchneko)
53 // 11-04-04 Move MaxSecondaryEnergy to models 55 // 11-04-04 Move MaxSecondaryEnergy to models (V.Ivanchenko)
54 // 10-05-06 Add a possibility to download user 56 // 10-05-06 Add a possibility to download user data (V.Ivantchenko)
55 // 22-07-06 Remove obsolete method (V.Ivantche <<
56 // 07-11-07 Moved CorrectionsAlongStep to cc ( <<
57 // 12-09-08 Removed InitialiseMassCharge and C <<
58 // 57 //
59 // Class Description: 58 // Class Description:
60 // 59 //
61 // This class manages the ionisation process f << 60 // This class manages the ionisation process for ions.
62 // nuclear stopping power, energy loss correct << 61 // it inherites from G4VContinuousDiscreteProcess via G4VEnergyLoss.
63 // It inherites from G4VEnergyLossLoss. <<
64 // 62 //
65 63
66 // ------------------------------------------- 64 // -------------------------------------------------------------------
67 // 65 //
68 66
69 #ifndef G4ionIonisation_h 67 #ifndef G4ionIonisation_h
70 #define G4ionIonisation_h 1 68 #define G4ionIonisation_h 1
71 69
72 #include "G4VEnergyLossProcess.hh" 70 #include "G4VEnergyLossProcess.hh"
>> 71 #include "G4ionEffectiveCharge.hh"
>> 72 #include "G4VEmModel.hh"
>> 73 #include "G4EmCorrections.hh"
73 74
74 class G4Material; 75 class G4Material;
>> 76 class G4PhysicsVector;
>> 77 class G4BraggIonModel;
75 78
76 class G4ionIonisation : public G4VEnergyLossPr 79 class G4ionIonisation : public G4VEnergyLossProcess
77 { 80 {
78 public: 81 public:
79 82
80 explicit G4ionIonisation(const G4String& nam << 83 G4ionIonisation(const G4String& name = "ionIoni");
81 84
82 ~G4ionIonisation() override = default; << 85 virtual ~G4ionIonisation();
83 86
84 G4bool IsApplicable(const G4ParticleDefiniti << 87 G4bool IsApplicable(const G4ParticleDefinition& p);
>> 88
>> 89 // Print out of the class parameters
>> 90 virtual void PrintInfo();
85 91
86 void AddStoppingData(G4int Z, G4int A, const 92 void AddStoppingData(G4int Z, G4int A, const G4String& materialName,
87 G4PhysicsVector* dVector); << 93 G4PhysicsVector& dVector);
88 94
89 void ActivateStoppingData(G4bool); 95 void ActivateStoppingData(G4bool);
90 96
91 // print documentation in html format <<
92 void ProcessDescription(std::ostream&) const <<
93 <<
94 // hide assignment operator <<
95 G4ionIonisation & operator=(const G4ionIonis <<
96 G4ionIonisation(const G4ionIonisation&) = de <<
97 <<
98 protected: 97 protected:
99 98
>> 99 void CorrectionsAlongStep(
>> 100 const G4MaterialCutsCouple*,
>> 101 const G4DynamicParticle*,
>> 102 G4double& eloss,
>> 103 G4double& length);
>> 104
>> 105 virtual std::vector<G4DynamicParticle*>* SecondariesPostStep(
>> 106 G4VEmModel*,
>> 107 const G4MaterialCutsCouple*,
>> 108 const G4DynamicParticle*,
>> 109 G4double&);
>> 110
100 void InitialiseEnergyLossProcess(const G4Par 111 void InitialiseEnergyLossProcess(const G4ParticleDefinition*,
101 const G4ParticleDefinition*) overri << 112 const G4ParticleDefinition*);
102 113
103 G4double MinPrimaryEnergy(const G4ParticleDe << 114 G4double GetMeanFreePath(const G4Track& track,
104 const G4Material*, G4double cut) fin << 115 G4double previousStepSize,
>> 116 G4ForceCondition* condition);
105 117
106 inline G4double BetheBlochEnergyThreshold(); << 118 virtual G4double MinPrimaryEnergy(const G4ParticleDefinition* p,
>> 119 const G4Material*, G4double cut);
107 120
108 private: 121 private:
109 122
>> 123 void DefineMassCharge(const G4ParticleDefinition* pd,
>> 124 const G4Material* mat,
>> 125 G4double mass,
>> 126 G4double kinEnergy);
>> 127
>> 128 // hide assignment operator
>> 129 G4ionIonisation & operator=(const G4ionIonisation &right);
>> 130 G4ionIonisation(const G4ionIonisation&);
>> 131
>> 132 G4ionEffectiveCharge* effCharge;
>> 133 G4EmCorrections* corr;
110 134
111 const G4ParticleDefinition* theParticle = nu << 135 // cash
112 G4double eth; << 136 const G4Material* curMaterial;
>> 137 const G4ParticleDefinition* curParticle;
>> 138 const G4ParticleDefinition* theParticle;
>> 139 const G4ParticleDefinition* theBaseParticle;
>> 140
>> 141 G4double preKinEnergy;
>> 142
>> 143 G4double eth;
>> 144 G4double baseMass;
>> 145 G4double massRatio;
>> 146 G4double massFactor;
>> 147 G4double charge2;
113 148
114 G4bool isInitialised = false; << 149 G4bool isInitialised;
>> 150 G4bool stopDataActive;
115 }; 151 };
116 152
117 //....oooOO0OOooo........oooOO0OOooo........oo 153 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 154 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 155
>> 156 inline G4bool G4ionIonisation::IsApplicable(const G4ParticleDefinition& p)
>> 157 {
>> 158 return (p.GetPDGCharge() != 0.0 && !p.IsShortLived() &&
>> 159 p.GetParticleType() == "nucleus");
>> 160 }
>> 161
>> 162 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 163
>> 164 inline G4double G4ionIonisation::MinPrimaryEnergy(
>> 165 const G4ParticleDefinition*, const G4Material*, G4double cut)
>> 166 {
>> 167 G4double x = 0.5*cut/electron_mass_c2;
>> 168 G4double g = std::sqrt(1. + x);
>> 169 return proton_mass_c2*(g - 1.0);
>> 170 }
>> 171
>> 172 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 173
>> 174 inline void G4ionIonisation::DefineMassCharge(const G4ParticleDefinition* pd,
>> 175 const G4Material* mat,
>> 176 G4double mass,
>> 177 G4double kinEnergy)
>> 178 {
>> 179 preKinEnergy = kinEnergy;
>> 180 massRatio = baseMass/mass;
>> 181 charge2 = effCharge->EffectiveChargeSquareRatio(pd,mat,kinEnergy);
>> 182 SetDynamicMassCharge(massRatio, charge2);
>> 183 }
>> 184
>> 185 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 186
>> 187 inline void G4ionIonisation::CorrectionsAlongStep(
>> 188 const G4MaterialCutsCouple* couple,
>> 189 const G4DynamicParticle* dp,
>> 190 G4double& eloss,
>> 191 G4double& s)
>> 192 {
>> 193 if(eloss < preKinEnergy) {
>> 194 const G4ParticleDefinition* part = dp->GetDefinition();
>> 195 const G4Material* mat = couple->GetMaterial();
>> 196 if(preKinEnergy*massRatio > eth)
>> 197 eloss += s*corr->HighOrderCorrections(part,mat,preKinEnergy);
>> 198 else {
>> 199 if(stopDataActive)
>> 200 eloss *= corr->EffectiveChargeCorrection(part,mat,preKinEnergy);
>> 201 eloss += s*corr->NuclearDEDX(part,mat,preKinEnergy - eloss*0.5);
>> 202 }
>> 203 fParticleChange.SetProposedCharge(effCharge->EffectiveCharge(part,
>> 204 mat,preKinEnergy-eloss));
>> 205 }
>> 206 }
>> 207
>> 208 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 209
>> 210 inline std::vector<G4DynamicParticle*>* G4ionIonisation::SecondariesPostStep(
>> 211 G4VEmModel* model,
>> 212 const G4MaterialCutsCouple* couple,
>> 213 const G4DynamicParticle* dp,
>> 214 G4double& tcut)
>> 215 {
>> 216 return model->SampleSecondaries(couple, dp, tcut);
>> 217 }
>> 218
>> 219 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
118 220
119 inline G4double G4ionIonisation::BetheBlochEne << 221 inline void G4ionIonisation::ActivateStoppingData(G4bool val)
120 { 222 {
121 return eth; << 223 stopDataActive = val;
122 } 224 }
123 225
124 //....oooOO0OOooo........oooOO0OOooo........oo 226 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
125 227
126 #endif 228 #endif
127 229