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25 // 22 //
>> 23 // $Id: G4eIonisation.hh,v 1.20 2003/11/12 16:23:42 vnivanch Exp $
>> 24 // GEANT4 tag $Name: geant4-06-00 $
26 // 25 //
27 // ------------------------------------------- 26 // -------------------------------------------------------------------
28 // 27 //
29 // GEANT4 Class header file 28 // GEANT4 Class header file
30 // 29 //
31 // 30 //
32 // File name: G4eIonisation 31 // File name: G4eIonisation
33 // 32 //
34 // Author: Laszlo Urban 33 // Author: Laszlo Urban
35 // 34 //
36 // Creation date: 20.03.1997 35 // Creation date: 20.03.1997
37 // 36 //
38 // Modifications: 37 // Modifications:
39 // 38 //
40 // 10-02-00 modifications , new e.m. structure 39 // 10-02-00 modifications , new e.m. structure, L.Urban
41 // 03-08-01 new methods Store/Retrieve Physics 40 // 03-08-01 new methods Store/Retrieve PhysicsTable (mma)
42 // 13-08-01 new function ComputeRestrictedMean 41 // 13-08-01 new function ComputeRestrictedMeandEdx() (mma)
43 // 19-09-01 come back to previous ProcessName 42 // 19-09-01 come back to previous ProcessName "eIoni"
44 // 29-10-01 all static functions no more inlin 43 // 29-10-01 all static functions no more inlined (mma)
45 // 07-01-02 new design of em processes (V.Ivan 44 // 07-01-02 new design of em processes (V.Ivanchenko)
46 // 26-12-02 Secondary production moved to deri 45 // 26-12-02 Secondary production moved to derived classes (VI)
47 // 24-01-03 Make models region aware (V.Ivanch 46 // 24-01-03 Make models region aware (V.Ivanchenko)
48 // 05-02-03 Fix compilation warnings (V.Ivanch 47 // 05-02-03 Fix compilation warnings (V.Ivanchenko)
49 // 13-02-03 SubCutoff regime is assigned to a 48 // 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko)
50 // 23-05-03 Add fluctuation model as a member 49 // 23-05-03 Add fluctuation model as a member function (V.Ivanchenko)
51 // 03-06-03 Fix initialisation problem for STD 50 // 03-06-03 Fix initialisation problem for STD ionisation (V.Ivanchenko)
52 // 08-08-03 STD substitute standard (V.Ivanch 51 // 08-08-03 STD substitute standard (V.Ivanchenko)
53 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossPro 52 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
54 // 21-01-04 Migrade to G4ParticleChangeForLoss << 53 //
55 // 08-11-04 Migration to new interface of Stor <<
56 // 08-04-05 Major optimisation of internal int <<
57 // 11-04-04 Move MaxSecondaryEnergy to models <<
58 // 54 //
59 // Class Description: 55 // Class Description:
60 // 56 //
61 // This class manages the ionisation process f 57 // This class manages the ionisation process for e-/e+
62 // it inherites from G4VContinuousDiscreteProc 58 // it inherites from G4VContinuousDiscreteProcess via G4VEnergyLossProcess.
63 // 59 //
64 60
65 // ------------------------------------------- 61 // -------------------------------------------------------------------
66 // 62 //
67 63
68 #ifndef G4eIonisation_h 64 #ifndef G4eIonisation_h
69 #define G4eIonisation_h 1 65 #define G4eIonisation_h 1
70 66
71 #include "G4VEnergyLossProcess.hh" 67 #include "G4VEnergyLossProcess.hh"
72 #include "G4Electron.hh" 68 #include "G4Electron.hh"
73 #include "G4Positron.hh" 69 #include "G4Positron.hh"
74 #include "G4VEmModel.hh" <<
75 70
76 class G4Material; 71 class G4Material;
77 class G4ParticleDefinition; 72 class G4ParticleDefinition;
>> 73 class G4VEmFluctuationModel;
78 74
79 class G4eIonisation : public G4VEnergyLossProc 75 class G4eIonisation : public G4VEnergyLossProcess
80 { 76 {
81 77
82 public: 78 public:
83 79
84 explicit G4eIonisation(const G4String& name << 80 G4eIonisation(const G4String& name = "eIoni");
85 81
86 ~G4eIonisation() override; << 82 ~G4eIonisation();
87 83
88 G4bool IsApplicable(const G4ParticleDefiniti << 84 G4bool IsApplicable(const G4ParticleDefinition& p);
89 85
90 // print documentation in html format << 86 virtual G4double MinPrimaryEnergy(const G4ParticleDefinition*,
91 void ProcessDescription(std::ostream&) const << 87 const G4Material*, G4double cut);
92 88
93 // hide assignment operator << 89 virtual std::vector<G4Track*>* SecondariesAlongStep(
94 G4eIonisation & operator=(const G4eIonisatio << 90 const G4Step&,
95 G4eIonisation(const G4eIonisation&) = delete << 91 G4double&,
>> 92 G4double&,
>> 93 G4double&);
>> 94
>> 95 virtual void SecondariesPostStep(
>> 96 G4VEmModel*,
>> 97 const G4MaterialCutsCouple*,
>> 98 const G4DynamicParticle*,
>> 99 G4double&,
>> 100 G4double&);
>> 101
>> 102 void SetSubCutoff(G4bool val);
>> 103
>> 104 void PrintInfoDefinition();
>> 105 // Print out of the class parameters
96 106
97 protected: 107 protected:
98 108
99 void InitialiseEnergyLossProcess(const G4Par << 109 const G4ParticleDefinition* DefineBaseParticle(const G4ParticleDefinition* p);
100 const G4ParticleDefinition* <<
101 110
102 G4double MinPrimaryEnergy(const G4ParticleDe << 111 virtual G4double MaxSecondaryEnergy(const G4DynamicParticle* dp);
103 const G4Material*, G4double cut) fin <<
104 112
105 private: 113 private:
106 114
>> 115 void InitialiseProcess();
>> 116
>> 117 // hide assignment operator
>> 118 G4eIonisation & operator=(const G4eIonisation &right);
>> 119 G4eIonisation(const G4eIonisation&);
>> 120
107 const G4ParticleDefinition* theElectron; 121 const G4ParticleDefinition* theElectron;
>> 122 G4VEmFluctuationModel* flucModel;
108 123
>> 124 G4bool subCutoff;
109 G4bool isElectron; 125 G4bool isElectron;
110 G4bool isInitialised; 126 G4bool isInitialised;
111 }; 127 };
>> 128
>> 129 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 130 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 131
>> 132 inline G4double G4eIonisation::MinPrimaryEnergy(const G4ParticleDefinition*,
>> 133 const G4Material*,
>> 134 G4double cut)
>> 135 {
>> 136 G4double x = cut;
>> 137 if(isElectron) x += cut;
>> 138 return x;
>> 139 }
>> 140
>> 141 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 142
>> 143 inline G4bool G4eIonisation::IsApplicable(const G4ParticleDefinition& p)
>> 144 {
>> 145 return (&p == G4Electron::Electron() || &p == G4Positron::Positron());
>> 146 }
>> 147
>> 148 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 149
>> 150 inline G4double G4eIonisation::MaxSecondaryEnergy(const G4DynamicParticle* dp)
>> 151 {
>> 152 G4double tmax = dp->GetKineticEnergy();
>> 153 if(isElectron) tmax *= 0.5;
>> 154 return tmax;
>> 155 }
>> 156
>> 157 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 158
>> 159 #include "G4VSubCutoffProcessor.hh"
>> 160
>> 161 inline std::vector<G4Track*>* G4eIonisation::SecondariesAlongStep(
>> 162 const G4Step& step,
>> 163 G4double& tmax,
>> 164 G4double& eloss,
>> 165 G4double& kinEnergy)
>> 166 {
>> 167 std::vector<G4Track*>* newp = 0;
>> 168 if(subCutoff) {
>> 169 G4VSubCutoffProcessor* sp = SubCutoffProcessor(CurrentMaterialCutsCoupleIndex());
>> 170 if (sp) {
>> 171 G4VEmModel* model = SelectModel(kinEnergy);
>> 172 newp = sp->SampleSecondaries(step,tmax,eloss,model);
>> 173 }
>> 174 }
>> 175 return newp;
>> 176 }
>> 177
>> 178 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 179
>> 180 #include "G4VEmModel.hh"
>> 181
>> 182 inline void G4eIonisation::SecondariesPostStep(
>> 183 G4VEmModel* model,
>> 184 const G4MaterialCutsCouple* couple,
>> 185 const G4DynamicParticle* dp,
>> 186 G4double& tcut,
>> 187 G4double& kinEnergy)
>> 188 {
>> 189 G4DynamicParticle* delta = model->SampleSecondary(couple, dp, tcut, kinEnergy);
>> 190 aParticleChange.SetNumberOfSecondaries(1);
>> 191 aParticleChange.AddSecondary(delta);
>> 192 G4ThreeVector finalP = dp->GetMomentum();
>> 193 kinEnergy -= delta->GetKineticEnergy();
>> 194 finalP -= delta->GetMomentum();
>> 195 finalP = finalP.unit();
>> 196 aParticleChange.SetMomentumDirectionChange(finalP);
>> 197 }
112 198
113 //....oooOO0OOooo........oooOO0OOooo........oo 199 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
114 200
115 #endif 201 #endif
116 202