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1 // 1 //
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24 // ******************************************* 21 // ********************************************************************
25 // 22 //
>> 23 // $Id: G4eIonisation.hh,v 1.23 2004/01/21 18:05:22 vnivanch Exp $
>> 24 // GEANT4 tag $Name: geant4-06-01 $
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 // 21-01-04 Migrade to G4ParticleChangeForLoss (V.Ivanchenko)
55 // 08-11-04 Migration to new interface of Stor << 54 //
56 // 08-04-05 Major optimisation of internal int <<
57 // 11-04-04 Move MaxSecondaryEnergy to models <<
58 // 55 //
59 // Class Description: 56 // Class Description:
60 // 57 //
61 // This class manages the ionisation process f 58 // This class manages the ionisation process for e-/e+
62 // it inherites from G4VContinuousDiscreteProc 59 // it inherites from G4VContinuousDiscreteProcess via G4VEnergyLossProcess.
63 // 60 //
64 61
65 // ------------------------------------------- 62 // -------------------------------------------------------------------
66 // 63 //
67 64
68 #ifndef G4eIonisation_h 65 #ifndef G4eIonisation_h
69 #define G4eIonisation_h 1 66 #define G4eIonisation_h 1
70 67
71 #include "G4VEnergyLossProcess.hh" 68 #include "G4VEnergyLossProcess.hh"
72 #include "G4Electron.hh" 69 #include "G4Electron.hh"
73 #include "G4Positron.hh" 70 #include "G4Positron.hh"
74 #include "G4VEmModel.hh" <<
75 71
76 class G4Material; 72 class G4Material;
77 class G4ParticleDefinition; 73 class G4ParticleDefinition;
>> 74 class G4VEmFluctuationModel;
78 75
79 class G4eIonisation : public G4VEnergyLossProc 76 class G4eIonisation : public G4VEnergyLossProcess
80 { 77 {
81 78
82 public: 79 public:
83 80
84 explicit G4eIonisation(const G4String& name << 81 G4eIonisation(const G4String& name = "eIoni");
85 82
86 ~G4eIonisation() override; << 83 ~G4eIonisation();
87 84
88 G4bool IsApplicable(const G4ParticleDefiniti << 85 G4bool IsApplicable(const G4ParticleDefinition& p);
89 86
90 // print documentation in html format << 87 virtual G4double MinPrimaryEnergy(const G4ParticleDefinition*,
91 void ProcessDescription(std::ostream&) const << 88 const G4Material*, G4double cut);
92 89
93 // hide assignment operator << 90 virtual std::vector<G4Track*>* SecondariesAlongStep(
94 G4eIonisation & operator=(const G4eIonisatio << 91 const G4Step&,
95 G4eIonisation(const G4eIonisation&) = delete << 92 G4double&,
>> 93 G4double&,
>> 94 G4double&);
>> 95
>> 96 virtual void SecondariesPostStep(
>> 97 G4VEmModel*,
>> 98 const G4MaterialCutsCouple*,
>> 99 const G4DynamicParticle*,
>> 100 G4double&,
>> 101 G4double&);
>> 102
>> 103 void SetSubCutoff(G4bool val);
>> 104
>> 105 void PrintInfoDefinition();
>> 106 // Print out of the class parameters
96 107
97 protected: 108 protected:
98 109
99 void InitialiseEnergyLossProcess(const G4Par << 110 const G4ParticleDefinition* DefineBaseParticle(const G4ParticleDefinition* p);
100 const G4ParticleDefinition* <<
101 111
102 G4double MinPrimaryEnergy(const G4ParticleDe << 112 virtual G4double MaxSecondaryEnergy(const G4DynamicParticle* dp);
103 const G4Material*, G4double cut) fin <<
104 113
105 private: 114 private:
106 115
>> 116 void InitialiseProcess();
>> 117
>> 118 // hide assignment operator
>> 119 G4eIonisation & operator=(const G4eIonisation &right);
>> 120 G4eIonisation(const G4eIonisation&);
>> 121
107 const G4ParticleDefinition* theElectron; 122 const G4ParticleDefinition* theElectron;
>> 123 G4VEmFluctuationModel* flucModel;
108 124
>> 125 G4bool subCutoff;
109 G4bool isElectron; 126 G4bool isElectron;
110 G4bool isInitialised; 127 G4bool isInitialised;
111 }; 128 };
>> 129
>> 130 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 131 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 132
>> 133 inline G4double G4eIonisation::MinPrimaryEnergy(const G4ParticleDefinition*,
>> 134 const G4Material*,
>> 135 G4double cut)
>> 136 {
>> 137 G4double x = cut;
>> 138 if(isElectron) x += cut;
>> 139 return x;
>> 140 }
>> 141
>> 142 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 143
>> 144 inline G4bool G4eIonisation::IsApplicable(const G4ParticleDefinition& p)
>> 145 {
>> 146 return (&p == G4Electron::Electron() || &p == G4Positron::Positron());
>> 147 }
>> 148
>> 149 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 150
>> 151 inline G4double G4eIonisation::MaxSecondaryEnergy(const G4DynamicParticle* dp)
>> 152 {
>> 153 G4double tmax = dp->GetKineticEnergy();
>> 154 if(isElectron) tmax *= 0.5;
>> 155 return tmax;
>> 156 }
>> 157
>> 158 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 159
>> 160 #include "G4VSubCutoffProcessor.hh"
>> 161
>> 162 inline std::vector<G4Track*>* G4eIonisation::SecondariesAlongStep(
>> 163 const G4Step& step,
>> 164 G4double& tmax,
>> 165 G4double& eloss,
>> 166 G4double& kinEnergy)
>> 167 {
>> 168 std::vector<G4Track*>* newp = 0;
>> 169 if(subCutoff) {
>> 170 G4VSubCutoffProcessor* sp = SubCutoffProcessor(CurrentMaterialCutsCoupleIndex());
>> 171 if (sp) {
>> 172 G4VEmModel* model = SelectModel(kinEnergy);
>> 173 newp = sp->SampleSecondaries(step,tmax,eloss,model);
>> 174 }
>> 175 }
>> 176 return newp;
>> 177 }
>> 178
>> 179 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 180
>> 181 #include "G4VEmModel.hh"
>> 182
>> 183 inline void G4eIonisation::SecondariesPostStep(
>> 184 G4VEmModel* model,
>> 185 const G4MaterialCutsCouple* couple,
>> 186 const G4DynamicParticle* dp,
>> 187 G4double& tcut,
>> 188 G4double& kinEnergy)
>> 189 {
>> 190 G4DynamicParticle* delta = model->SampleSecondary(couple, dp, tcut, kinEnergy);
>> 191 G4ThreeVector finalP = dp->GetMomentum();
>> 192 kinEnergy -= delta->GetKineticEnergy();
>> 193 finalP -= delta->GetMomentum();
>> 194 finalP = finalP.unit();
>> 195 fParticleChange.SetNumberOfSecondaries(1);
>> 196 fParticleChange.AddSecondary(delta);
>> 197 fParticleChange.SetProposedMomentumDirection(finalP);
>> 198 }
112 199
113 //....oooOO0OOooo........oooOO0OOooo........oo 200 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
114 201
115 #endif 202 #endif
116 203