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25 // 22 //
26 // 23 //
27 // ------------------------------------------- << 24 // $Id: G4eIonisation.hh,v 1.18 2003/06/16 17:02:02 gunter Exp $
>> 25 // GEANT4 tag $Name: geant4-05-02-patch-01 $
28 // 26 //
29 // GEANT4 Class header file << 27 //--------------- G4eIonisation physics process --------------------------------
30 // << 28 // by Laszlo Urban, 20 March 1997
31 // <<
32 // File name: G4eIonisation <<
33 // <<
34 // Author: Laszlo Urban <<
35 // <<
36 // Creation date: 20.03.1997 <<
37 // <<
38 // Modifications: <<
39 // 29 //
40 // 10-02-00 modifications , new e.m. structure 30 // 10-02-00 modifications , new e.m. structure, L.Urban
41 // 03-08-01 new methods Store/Retrieve Physics 31 // 03-08-01 new methods Store/Retrieve PhysicsTable (mma)
42 // 13-08-01 new function ComputeRestrictedMean 32 // 13-08-01 new function ComputeRestrictedMeandEdx() (mma)
43 // 19-09-01 come back to previous ProcessName 33 // 19-09-01 come back to previous ProcessName "eIoni"
44 // 29-10-01 all static functions no more inlin 34 // 29-10-01 all static functions no more inlined (mma)
45 // 07-01-02 new design of em processes (V.Ivan << 35 // 15-01-03 Migrade to cut per region (V.Ivanchenko)
46 // 26-12-02 Secondary production moved to deri <<
47 // 24-01-03 Make models region aware (V.Ivanch <<
48 // 05-02-03 Fix compilation warnings (V.Ivanch <<
49 // 13-02-03 SubCutoff regime is assigned to a <<
50 // 23-05-03 Add fluctuation model as a member <<
51 // 03-06-03 Fix initialisation problem for STD <<
52 // 08-08-03 STD substitute standard (V.Ivanch <<
53 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossPro <<
54 // 21-01-04 Migrade to G4ParticleChangeForLoss <<
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 // 36 //
59 // Class Description: << 37 //------------------------------------------------------------------------------
>> 38
>> 39 // Class description
60 // 40 //
61 // This class manages the ionisation process f 41 // This class manages the ionisation process for e-/e+
62 // it inherites from G4VContinuousDiscreteProc << 42 // it inherites from G4VContinuousDiscreteProcess via G4VeEnergyLoss.
63 // 43 //
>> 44 // Class description - end
64 45
65 // ------------------------------------------- << 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 // << 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 48
68 #ifndef G4eIonisation_h 49 #ifndef G4eIonisation_h
69 #define G4eIonisation_h 1 50 #define G4eIonisation_h 1
70 51
71 #include "G4VEnergyLossProcess.hh" << 52 #include "G4VeEnergyLoss.hh"
72 #include "G4Electron.hh" << 53 #include "G4MaterialCutsCouple.hh"
73 #include "G4Positron.hh" << 54
74 #include "G4VEmModel.hh" << 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
75 56
76 class G4Material; << 57 class G4eIonisation : public G4VeEnergyLoss
77 class G4ParticleDefinition; <<
78 58
79 class G4eIonisation : public G4VEnergyLossProc <<
80 { 59 {
>> 60 public: // with description
>> 61
>> 62 G4eIonisation(const G4String& processName = "eIoni");
>> 63
>> 64 ~G4eIonisation();
>> 65
>> 66 G4bool IsApplicable(const G4ParticleDefinition&);
>> 67 // return true for e+/e-, false otherwise
>> 68
>> 69 void BuildPhysicsTable(const G4ParticleDefinition& aParticleType);
>> 70 // this function overloads a virtual function of the base class.
>> 71 // It is invoked by the G4ParticleWithCuts::SetCut() method.
>> 72 // It invokes BuildLambdaTable(), BuildLossTable(), BuildDEDXTable()
81 73
82 public: << 74 void BuildLossTable(const G4ParticleDefinition& aParticleType);
>> 75 // build the dE/dx tables due to the ionisation, for every materials.
>> 76 // (restricted stopping power, Berger-Seltzer formula)
83 77
84 explicit G4eIonisation(const G4String& name << 78 void BuildLambdaTable(const G4ParticleDefinition& aParticleType);
>> 79 // build mean free path tables for the delta rays production.
>> 80 // the tables are built for every materials.
85 81
86 ~G4eIonisation() override; << 82 G4bool StorePhysicsTable(G4ParticleDefinition* ,
>> 83 const G4String& directory, G4bool);
>> 84 // store eLoss and MeanFreePath tables into an external file
>> 85 // specified by 'directory' (must exist before invokation)
87 86
88 G4bool IsApplicable(const G4ParticleDefiniti << 87 G4bool RetrievePhysicsTable(G4ParticleDefinition* ,
>> 88 const G4String& directory, G4bool);
>> 89 // retrieve eLoss and MeanFreePath tables from an external file
>> 90 // specified by 'directory'
89 91
90 // print documentation in html format << 92 void PrintInfoDefinition();
91 void ProcessDescription(std::ostream&) const << 93 // Print few lines of informations about the process: validity range,
>> 94 // origine ..etc..
>> 95 // Invoked by BuildPhysicsTable().
92 96
93 // hide assignment operator << 97 G4double GetMeanFreePath(const G4Track& track,
94 G4eIonisation & operator=(const G4eIonisatio << 98 G4double previousStepSize,
95 G4eIonisation(const G4eIonisation&) = delete << 99 G4ForceCondition* condition );
>> 100 // It returns the MeanFreePath of the process for the current track :
>> 101 // (energy, material)
>> 102 // The previousStepSize and G4ForceCondition* are not used.
>> 103 // This function overloads a virtual function of the base class.
>> 104 // It is invoked by the ProcessManager of the Particle.
96 105
97 protected: << 106 G4VParticleChange *PostStepDoIt(const G4Track& track,
>> 107 const G4Step& Step );
>> 108 // It computes the final state of the process (at end of step),
>> 109 // returned as a ParticleChange object.
>> 110 // This function overloads a virtual function of the base class.
>> 111 // It is invoked by the ProcessManager of the Particle.
98 112
99 void InitialiseEnergyLossProcess(const G4Par << 113 G4double GetLambda(G4double KineticEnergy, const G4MaterialCutsCouple* couple);
100 const G4ParticleDefinition* << 114 // It returns the MeanFreePath of the process for a (energy, material)
101 115
102 G4double MinPrimaryEnergy(const G4ParticleDe << 116 protected: // with description
103 const G4Material*, G4double cut) fin <<
104 117
105 private: << 118 virtual G4double ComputeRestrictedMeandEdx(
>> 119 const G4ParticleDefinition& aParticleType,
>> 120 G4double KineticEnergy,
>> 121 const G4Material* material,
>> 122 G4double DeltaThreshold);
>> 123 // computes restricted mean dE/dx in Geant4 internal units.
106 124
107 const G4ParticleDefinition* theElectron; << 125 virtual G4double ComputeCrossSectionPerAtom(
>> 126 const G4ParticleDefinition& aParticleType,
>> 127 G4double KineticEnergy,
>> 128 G4double AtomicNumber,
>> 129 G4double DeltaThreshold);
>> 130 // computes total cross section per atom in Geant4 internal units.
>> 131
>> 132 protected:
>> 133
>> 134 virtual G4double SecondaryEnergyThreshold(size_t index);
>> 135
>> 136 G4PhysicsTable* theMeanFreePathTable;
>> 137
>> 138 private:
>> 139
>> 140 // hide assignment operator
>> 141 G4eIonisation & operator=(const G4eIonisation &right);
>> 142 G4eIonisation(const G4eIonisation&);
>> 143
>> 144 private:
>> 145
>> 146 static G4double LowerBoundLambda; // binning for mean free path table
>> 147 static G4double UpperBoundLambda;
>> 148 static G4int NbinLambda;
>> 149
>> 150 G4double LowestKineticEnergy; // binning for dE/dx table
>> 151 G4double HighestKineticEnergy;
>> 152 G4int TotBin;
>> 153
>> 154 const std::vector<G4double>* secondaryEnergyCuts;
>> 155
>> 156 public: // with description
>> 157
>> 158 static void SetLowerBoundLambda(G4double val);
>> 159 static void SetUpperBoundLambda(G4double val);
>> 160 static void SetNbinLambda(G4int n);
>> 161 // set the parameters of the mean free path table.
>> 162
>> 163 static G4double GetLowerBoundLambda();
>> 164 static G4double GetUpperBoundLambda();
>> 165 static G4int GetNbinLambda();
>> 166 // get the parameters of the mean free path table.
108 167
109 G4bool isElectron; <<
110 G4bool isInitialised; <<
111 }; 168 };
112 169
113 //....oooOO0OOooo........oooOO0OOooo........oo 170 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
114 171
>> 172 #include "G4eIonisation.icc"
>> 173
115 #endif 174 #endif
>> 175
116 176