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25 // 22 //
26 // 23 //
27 // ------------------------------------------- << 24 // $Id: G4eIonisation.hh,v 1.16 2002/04/09 17:34:41 vnivanch Exp $
>> 25 // GEANT4 tag $Name: geant4-04-01 $
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 <<
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 // 35 //
59 // Class Description: << 36 //------------------------------------------------------------------------------
>> 37
>> 38 // Class description
60 // 39 //
61 // This class manages the ionisation process f 40 // This class manages the ionisation process for e-/e+
62 // it inherites from G4VContinuousDiscreteProc << 41 // it inherites from G4VContinuousDiscreteProcess via G4VeEnergyLoss.
63 // <<
64 <<
65 // ------------------------------------------- <<
66 // 42 //
>> 43 // Class description - end
67 44
>> 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 47
68 #ifndef G4eIonisation_h 48 #ifndef G4eIonisation_h
69 #define G4eIonisation_h 1 49 #define G4eIonisation_h 1
>> 50
>> 51 #include "G4VeEnergyLoss.hh"
70 52
71 #include "G4VEnergyLossProcess.hh" << 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
72 #include "G4Electron.hh" << 54
73 #include "G4Positron.hh" << 55 class G4eIonisation : public G4VeEnergyLoss
74 #include "G4VEmModel.hh" << 56
75 <<
76 class G4Material; <<
77 class G4ParticleDefinition; <<
78 <<
79 class G4eIonisation : public G4VEnergyLossProc <<
80 { 57 {
81 << 58 public: // with description
82 public: << 59
83 << 60 G4eIonisation(const G4String& processName = "eIoni");
84 explicit G4eIonisation(const G4String& name << 61
85 << 62 ~G4eIonisation();
86 ~G4eIonisation() override; << 63
87 << 64 G4bool IsApplicable(const G4ParticleDefinition&);
88 G4bool IsApplicable(const G4ParticleDefiniti << 65 // return true for e+/e-, false otherwise
89 << 66
90 // print documentation in html format << 67 void BuildPhysicsTable(const G4ParticleDefinition& aParticleType);
91 void ProcessDescription(std::ostream&) const << 68 // this function overloads a virtual function of the base class.
92 << 69 // It is invoked by the G4ParticleWithCuts::SetCut() method.
93 // hide assignment operator << 70 // It invokes BuildLambdaTable(), BuildLossTable(), BuildDEDXTable()
94 G4eIonisation & operator=(const G4eIonisatio << 71
95 G4eIonisation(const G4eIonisation&) = delete << 72 void BuildLossTable(const G4ParticleDefinition& aParticleType);
96 << 73 // build the dE/dx tables due to the ionisation, for every materials.
97 protected: << 74 // (restricted stopping power, Berger-Seltzer formula)
98 << 75
99 void InitialiseEnergyLossProcess(const G4Par << 76 void BuildLambdaTable(const G4ParticleDefinition& aParticleType);
100 const G4ParticleDefinition* << 77 // build mean free path tables for the delta rays production.
101 << 78 // the tables are built for every materials.
102 G4double MinPrimaryEnergy(const G4ParticleDe << 79
103 const G4Material*, G4double cut) fin << 80 G4bool StorePhysicsTable(G4ParticleDefinition* ,
104 << 81 const G4String& directory, G4bool);
105 private: << 82 // store eLoss and MeanFreePath tables into an external file
106 << 83 // specified by 'directory' (must exist before invokation)
107 const G4ParticleDefinition* theElectron; << 84
108 << 85 G4bool RetrievePhysicsTable(G4ParticleDefinition* ,
109 G4bool isElectron; << 86 const G4String& directory, G4bool);
110 G4bool isInitialised; << 87 // retrieve eLoss and MeanFreePath tables from an external file
>> 88 // specified by 'directory'
>> 89
>> 90 void PrintInfoDefinition();
>> 91 // Print few lines of informations about the process: validity range,
>> 92 // origine ..etc..
>> 93 // Invoked by BuildPhysicsTable().
>> 94
>> 95 G4double GetMeanFreePath(const G4Track& track,
>> 96 G4double previousStepSize,
>> 97 G4ForceCondition* condition );
>> 98 // It returns the MeanFreePath of the process for the current track :
>> 99 // (energy, material)
>> 100 // The previousStepSize and G4ForceCondition* are not used.
>> 101 // This function overloads a virtual function of the base class.
>> 102 // It is invoked by the ProcessManager of the Particle.
>> 103
>> 104 G4VParticleChange *PostStepDoIt(const G4Track& track,
>> 105 const G4Step& Step );
>> 106 // It computes the final state of the process (at end of step),
>> 107 // returned as a ParticleChange object.
>> 108 // This function overloads a virtual function of the base class.
>> 109 // It is invoked by the ProcessManager of the Particle.
>> 110
>> 111 G4double GetLambda(G4double KineticEnergy, G4Material* material);
>> 112 // It returns the MeanFreePath of the process for a (energy, material)
>> 113
>> 114 protected: // with description
>> 115
>> 116 virtual G4double ComputeRestrictedMeandEdx(
>> 117 const G4ParticleDefinition& aParticleType,
>> 118 G4double KineticEnergy,
>> 119 const G4Material* material,
>> 120 G4double DeltaThreshold);
>> 121 // computes restricted mean dE/dx in Geant4 internal units.
>> 122
>> 123 virtual G4double ComputeCrossSectionPerAtom(
>> 124 const G4ParticleDefinition& aParticleType,
>> 125 G4double KineticEnergy,
>> 126 G4double AtomicNumber,
>> 127 G4double DeltaThreshold);
>> 128 // computes total cross section per atom in Geant4 internal units.
>> 129
>> 130 protected:
>> 131
>> 132 G4PhysicsTable* theMeanFreePathTable;
>> 133
>> 134 private:
>> 135
>> 136 // hide assignment operator
>> 137 G4eIonisation & operator=(const G4eIonisation &right);
>> 138 G4eIonisation(const G4eIonisation&);
>> 139
>> 140 private:
>> 141
>> 142 static G4double LowerBoundLambda; // binning for mean free path table
>> 143 static G4double UpperBoundLambda;
>> 144 static G4int NbinLambda;
>> 145
>> 146 G4double LowestKineticEnergy; // binning for dE/dx table
>> 147 G4double HighestKineticEnergy;
>> 148 G4int TotBin;
>> 149
>> 150 public: // with description
>> 151
>> 152 static void SetLowerBoundLambda(G4double val);
>> 153 static void SetUpperBoundLambda(G4double val);
>> 154 static void SetNbinLambda(G4int n);
>> 155 // set the parameters of the mean free path table.
>> 156
>> 157 static G4double GetLowerBoundLambda();
>> 158 static G4double GetUpperBoundLambda();
>> 159 static G4int GetNbinLambda();
>> 160 // get the parameters of the mean free path table.
>> 161
111 }; 162 };
112 163
113 //....oooOO0OOooo........oooOO0OOooo........oo 164 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
114 << 165
>> 166 #include "G4eIonisation.icc"
>> 167
115 #endif 168 #endif
>> 169
116 170