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25 // 22 //
>> 23 // $Id: G4hIonisation.hh,v 1.32 2005/05/12 11:06:43 vnivanch Exp $
>> 24 // GEANT4 tag $Name: geant4-08-00 $
26 // 25 //
27 // ------------------------------------------- 26 // -------------------------------------------------------------------
28 // 27 //
29 // GEANT4 Class header file 28 // GEANT4 Class header file
30 // 29 //
31 // 30 //
32 // File name: G4hIonisation 31 // File name: G4hIonisation
33 // 32 //
34 // Author: Laszlo Urban 33 // Author: Laszlo Urban
35 // 34 //
36 // Creation date: 30.05.1997 35 // Creation date: 30.05.1997
37 // 36 //
38 // Modifications: 37 // Modifications:
39 // 38 //
40 // corrected by L.Urban on 24/09/97 39 // corrected by L.Urban on 24/09/97
41 // corrected by L.Urban on 13/01/98 40 // corrected by L.Urban on 13/01/98
42 // bugs fixed by L.Urban on 02/02/99 41 // bugs fixed by L.Urban on 02/02/99
43 // 10/02/00 modifications , new e.m. structure 42 // 10/02/00 modifications , new e.m. structure, L.Urban
44 // 10-08-01 new methods Store/Retrieve Physics 43 // 10-08-01 new methods Store/Retrieve PhysicsTable (mma)
45 // 14-08-01 new function ComputeRestrictedMean 44 // 14-08-01 new function ComputeRestrictedMeandEdx() + 'cleanup' (mma)
46 // 19-09-01 come back to previous process name 45 // 19-09-01 come back to previous process name "hIoni"
47 // 29-10-01 all static functions no more inlin 46 // 29-10-01 all static functions no more inlined
48 // 07-01-02 new design of em processes (V.Ivan 47 // 07-01-02 new design of em processes (V.Ivanchenko)
49 // 26-12-02 secondary production moved to deri 48 // 26-12-02 secondary production moved to derived classes (VI)
50 // 24-01-03 Make models region aware (V.Ivanch 49 // 24-01-03 Make models region aware (V.Ivanchenko)
51 // 05-02-03 Fix compilation warnings (V.Ivanch 50 // 05-02-03 Fix compilation warnings (V.Ivanchenko)
52 // 13-02-03 SubCutoff regime is assigned to a 51 // 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko)
53 // 15-02-03 Add control on delta pointer (V.Iv 52 // 15-02-03 Add control on delta pointer (V.Ivanchenko)
54 // 23-05-03 Add fluctuation model as a member 53 // 23-05-03 Add fluctuation model as a member function (V.Ivanchenko)
55 // 03-06-03 Fix initialisation problem for STD 54 // 03-06-03 Fix initialisation problem for STD ionisation (V.Ivanchenko)
56 // 16-06-03 ShortLived are not applicable any 55 // 16-06-03 ShortLived are not applicable any more (V.Ivanchenko)
57 // 08-08-03 STD substitute standard (V.Ivanch 56 // 08-08-03 STD substitute standard (V.Ivanchenko)
58 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossPro 57 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
59 // 21-01-04 Migrade to G4ParticleChangeForLoss 58 // 21-01-04 Migrade to G4ParticleChangeForLoss (V.Ivanchenko)
60 // 08-11-04 Migration to new interface of Stor 59 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
61 // 08-04-05 Major optimisation of internal int 60 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
62 // 11-04-04 Move MaxSecondaryEnergy to models 61 // 11-04-04 Move MaxSecondaryEnergy to models (V.Ivanchenko)
63 // 12-09-08 Removed CorrectionsAlongStep (VI) <<
64 // 62 //
65 // Class Description: 63 // Class Description:
66 // 64 //
67 // This class manages the ionisation process f 65 // This class manages the ionisation process for hadrons.
68 // it inherites from G4VContinuousDiscreteProc 66 // it inherites from G4VContinuousDiscreteProcess via G4VEnergyLoss.
69 // 67 //
70 68
71 // ------------------------------------------- 69 // -------------------------------------------------------------------
72 // 70 //
73 71
74 #ifndef G4hIonisation_h 72 #ifndef G4hIonisation_h
75 #define G4hIonisation_h 1 73 #define G4hIonisation_h 1
76 74
77 #include "G4VEnergyLossProcess.hh" 75 #include "G4VEnergyLossProcess.hh"
78 #include "G4Electron.hh" 76 #include "G4Electron.hh"
79 #include "G4Positron.hh" 77 #include "G4Positron.hh"
80 #include "globals.hh" 78 #include "globals.hh"
>> 79 #include "G4VEmModel.hh"
81 80
82 class G4Material; 81 class G4Material;
>> 82 class G4VEmFluctuationModel;
83 83
84 class G4hIonisation : public G4VEnergyLossProc 84 class G4hIonisation : public G4VEnergyLossProcess
85 { 85 {
86 86
87 public: 87 public:
88 88
89 explicit G4hIonisation(const G4String& name << 89 G4hIonisation(const G4String& name = "hIoni");
90 90
91 ~G4hIonisation() override = default; << 91 virtual ~G4hIonisation();
92 92
93 G4bool IsApplicable(const G4ParticleDefiniti << 93 G4bool IsApplicable(const G4ParticleDefinition& p);
94 94
95 G4double MinPrimaryEnergy(const G4ParticleDe 95 G4double MinPrimaryEnergy(const G4ParticleDefinition* p,
96 const G4Material*, G4double cut) fin << 96 const G4Material*, G4double cut);
97 97
98 // print documentation in html format << 98 // Print out of the class parameters
99 void ProcessDescription(std::ostream&) const << 99 virtual void PrintInfo();
100 <<
101 // hide assignment operator <<
102 G4hIonisation & operator=(const G4hIonisatio <<
103 G4hIonisation(const G4hIonisation&) = delete <<
104 100
105 protected: 101 protected:
106 102
107 void InitialiseEnergyLossProcess(const G4Par << 103 std::vector<G4DynamicParticle*>* SecondariesPostStep(
108 const G4ParticleDefinition*) overri << 104 G4VEmModel*,
>> 105 const G4MaterialCutsCouple*,
>> 106 const G4DynamicParticle*,
>> 107 G4double&);
>> 108
>> 109 virtual void InitialiseEnergyLossProcess(const G4ParticleDefinition*,
>> 110 const G4ParticleDefinition*);
109 111
110 private: 112 private:
111 113
112 G4bool isInitialised = false; << 114 // hide assignment operator
113 G4double mass = 0.0; << 115 G4hIonisation & operator=(const G4hIonisation &right);
114 G4double ratio = 0.0; << 116 G4hIonisation(const G4hIonisation&);
115 G4double eth; << 117
>> 118 G4double mass;
>> 119 G4double ratio;
>> 120
>> 121 const G4ParticleDefinition* theParticle;
>> 122 const G4ParticleDefinition* theBaseParticle;
>> 123 G4VEmFluctuationModel* flucModel;
>> 124
>> 125 G4bool isInitialised;
>> 126
>> 127 G4double eth;
>> 128
116 }; 129 };
>> 130
>> 131 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 132 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 133
>> 134 inline G4bool G4hIonisation::IsApplicable(const G4ParticleDefinition& p)
>> 135 {
>> 136 return (p.GetPDGCharge() != 0.0 && p.GetPDGMass() > 10.0*MeV &&
>> 137 !p.IsShortLived());
>> 138 }
>> 139
>> 140 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 141
>> 142 inline G4double G4hIonisation::MinPrimaryEnergy(const G4ParticleDefinition*,
>> 143 const G4Material*,
>> 144 G4double cut)
>> 145 {
>> 146 G4double x = 0.5*cut/electron_mass_c2;
>> 147 G4double y = electron_mass_c2/mass;
>> 148 G4double g = x*y + std::sqrt((1. + x)*(1. + x*y*y));
>> 149 return mass*(g - 1.0);
>> 150 }
>> 151
>> 152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 153
>> 154 inline std::vector<G4DynamicParticle*>* G4hIonisation::SecondariesPostStep(
>> 155 G4VEmModel* model,
>> 156 const G4MaterialCutsCouple* couple,
>> 157 const G4DynamicParticle* dp,
>> 158 G4double& tcut)
>> 159 {
>> 160 return model->SampleSecondaries(couple, dp, tcut);
>> 161 }
117 162
118 //....oooOO0OOooo........oooOO0OOooo........oo 163 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
119 164
120 #endif 165 #endif
121 166