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25 // 22 //
26 // 23 //
27 // ------------------------------------------- << 24 // $Id: G4hIonisation.hh,v 1.20 2002/03/27 21:43:55 vnivanch Exp $
>> 25 // GEANT4 tag $Name: geant4-04-01 $
28 // 26 //
29 // GEANT4 Class header file << 27 // --------------- G4hIonisation physics process -------------------------------
30 // << 28 // by Laszlo Urban, 30 May 1997
31 // << 29 // -----------------------------------------------------------------------------
32 // File name: G4hIonisation <<
33 // <<
34 // Author: Laszlo Urban <<
35 // <<
36 // Creation date: 30.05.1997 <<
37 // <<
38 // Modifications: <<
39 // 30 //
40 // corrected by L.Urban on 24/09/97 31 // corrected by L.Urban on 24/09/97
41 // corrected by L.Urban on 13/01/98 32 // corrected by L.Urban on 13/01/98
42 // bugs fixed by L.Urban on 02/02/99 33 // bugs fixed by L.Urban on 02/02/99
43 // 10/02/00 modifications , new e.m. structure 34 // 10/02/00 modifications , new e.m. structure, L.Urban
44 // 10-08-01 new methods Store/Retrieve Physics 35 // 10-08-01 new methods Store/Retrieve PhysicsTable (mma)
45 // 14-08-01 new function ComputeRestrictedMean 36 // 14-08-01 new function ComputeRestrictedMeandEdx() + 'cleanup' (mma)
46 // 19-09-01 come back to previous process name 37 // 19-09-01 come back to previous process name "hIoni"
47 // 29-10-01 all static functions no more inlin << 38 // 29-10-01 all static functions no more inlined
48 // 07-01-02 new design of em processes (V.Ivan <<
49 // 26-12-02 secondary production moved to deri <<
50 // 24-01-03 Make models region aware (V.Ivanch <<
51 // 05-02-03 Fix compilation warnings (V.Ivanch <<
52 // 13-02-03 SubCutoff regime is assigned to a <<
53 // 15-02-03 Add control on delta pointer (V.Iv <<
54 // 23-05-03 Add fluctuation model as a member <<
55 // 03-06-03 Fix initialisation problem for STD <<
56 // 16-06-03 ShortLived are not applicable any <<
57 // 08-08-03 STD substitute standard (V.Ivanch <<
58 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossPro <<
59 // 21-01-04 Migrade to G4ParticleChangeForLoss <<
60 // 08-11-04 Migration to new interface of Stor <<
61 // 08-04-05 Major optimisation of internal int <<
62 // 11-04-04 Move MaxSecondaryEnergy to models <<
63 // 12-09-08 Removed CorrectionsAlongStep (VI) <<
64 // 39 //
65 // Class Description: << 40 // -----------------------------------------------------------------------------
>> 41
>> 42 // Class description
66 // 43 //
67 // This class manages the ionisation process f 44 // This class manages the ionisation process for hadrons.
68 // it inherites from G4VContinuousDiscreteProc << 45 // it inherites from G4VContinuousDiscreteProcess via G4VhEnergyLoss.
69 // <<
70 <<
71 // ------------------------------------------- <<
72 // 46 //
>> 47 // Class description - end
73 48
>> 49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 51
74 #ifndef G4hIonisation_h 52 #ifndef G4hIonisation_h
75 #define G4hIonisation_h 1 53 #define G4hIonisation_h 1
76 << 54
77 #include "G4VEnergyLossProcess.hh" << 55 #include "G4VhEnergyLoss.hh"
78 #include "G4Electron.hh" << 56
79 #include "G4Positron.hh" << 57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
80 #include "globals.hh" << 58
81 << 59 class G4hIonisation : public G4VhEnergyLoss
82 class G4Material; << 60
83 <<
84 class G4hIonisation : public G4VEnergyLossProc <<
85 { 61 {
>> 62 public: // with description
>> 63
>> 64 G4hIonisation(const G4String& processName = "hIoni");
>> 65
>> 66 ~G4hIonisation();
>> 67
>> 68 G4bool IsApplicable(const G4ParticleDefinition&);
>> 69 // return true for charged particles, false otherwise
>> 70
>> 71 void BuildPhysicsTable(const G4ParticleDefinition& aParticleType);
>> 72 // this function overloads a virtual function of the base class.
>> 73 // It is invoked by the G4ParticleWithCuts::SetCut() method.
>> 74 // It invokes BuildLambdaTable(), BuildLossTable(), BuildDEDXTable()
>> 75
>> 76 void BuildLossTable(const G4ParticleDefinition& aParticleType);
>> 77 // build the dE/dx tables due to the ionisation, for every materials.
>> 78 // (restricted stopping power, Bethe-Bloch formula)
>> 79
>> 80 void BuildLambdaTable(const G4ParticleDefinition& aParticleType);
>> 81 // build mean free path tables for the delta rays production.
>> 82 // the tables are built for every materials.
>> 83
>> 84 G4bool StorePhysicsTable(G4ParticleDefinition* ,
>> 85 const G4String& directory, G4bool);
>> 86 // store eLoss and MeanFreePath tables into an external file
>> 87 // specified by 'directory' (must exist before invokation)
>> 88
>> 89 G4bool RetrievePhysicsTable(G4ParticleDefinition* ,
>> 90 const G4String& directory, G4bool);
>> 91 // retrieve eLoss and MeanFreePath tables from an external file
>> 92 // specified by 'directory'
>> 93
>> 94 virtual void PrintInfoDefinition();
>> 95 // Print few lines of informations about the process: validity range,
>> 96 // origine ..etc..
>> 97 // Invoked by BuildPhysicsTable().
>> 98
>> 99 G4double GetMeanFreePath(const G4Track& track,
>> 100 G4double previousStepSize,
>> 101 G4ForceCondition* condition );
>> 102 // It returns the MeanFreePath of the process for the current track :
>> 103 // (energy, material)
>> 104 // The previousStepSize and G4ForceCondition* are not used.
>> 105 // This function overloads a virtual function of the base class.
>> 106 // It is invoked by the ProcessManager of the Particle.
>> 107
>> 108 G4VParticleChange *PostStepDoIt(const G4Track& track,
>> 109 const G4Step& Step );
>> 110 // It computes the final state of the process (at end of step),
>> 111 // returned as a ParticleChange object.
>> 112 // This function overloads a virtual function of the base class.
>> 113 // It is invoked by the ProcessManager of the Particle.
>> 114
>> 115
>> 116 protected: // with description
>> 117
>> 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.
>> 124
>> 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 G4PhysicsTable* theMeanFreePathTable;
>> 135
>> 136 private:
>> 137
>> 138 // hide assignment operator
>> 139 G4hIonisation & operator=(const G4hIonisation &right);
>> 140 G4hIonisation(const G4hIonisation&);
>> 141
>> 142 private:
>> 143
>> 144 static G4double LowerBoundLambda; // bining for lambda table
>> 145 static G4double UpperBoundLambda;
>> 146 static G4int NbinLambda;
>> 147
>> 148 G4double LowestKineticEnergy; // binning for dE/dx table
>> 149 G4double HighestKineticEnergy;
>> 150 G4int TotBin;
>> 151
>> 152 G4double Tmincut; // min energy of d-rays
>> 153 G4double initialMass; // mass for Lambda table
>> 154
>> 155 public: // with description
>> 156
>> 157 static void SetLowerBoundLambda(G4double val);
>> 158 static void SetUpperBoundLambda(G4double val);
>> 159 static void SetNbinLambda(G4int n);
>> 160 // set the parameters of the mean free path table.
>> 161
>> 162 static G4double GetLowerBoundLambda();
>> 163 static G4double GetUpperBoundLambda();
>> 164 static G4int GetNbinLambda();
>> 165 // get the parameters of the mean free path table.
>> 166 };
>> 167
>> 168 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 169
>> 170 #include "G4hIonisation.icc"
>> 171
>> 172 #endif
>> 173
86 174
87 public: <<
88 <<
89 explicit G4hIonisation(const G4String& name <<
90 <<
91 ~G4hIonisation() override = default; <<
92 <<
93 G4bool IsApplicable(const G4ParticleDefiniti <<
94 <<
95 G4double MinPrimaryEnergy(const G4ParticleDe <<
96 const G4Material*, G4double cut) fin <<
97 <<
98 // print documentation in html format <<
99 void ProcessDescription(std::ostream&) const <<
100 175
101 // hide assignment operator <<
102 G4hIonisation & operator=(const G4hIonisatio <<
103 G4hIonisation(const G4hIonisation&) = delete <<
104 176
105 protected: <<
106 177
107 void InitialiseEnergyLossProcess(const G4Par <<
108 const G4ParticleDefinition*) overri <<
109 178
110 private: <<
111 179
112 G4bool isInitialised = false; <<
113 G4double mass = 0.0; <<
114 G4double ratio = 0.0; <<
115 G4double eth; <<
116 }; <<
117 180
118 //....oooOO0OOooo........oooOO0OOooo........oo <<
119 <<
120 #endif <<
121 181