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25 // 22 //
26 // 23 //
>> 24 // $Id: G4ComptonScattering.hh,v 1.9 2002/04/09 17:34:40 vnivanch Exp $
>> 25 // GEANT4 tag $Name: geant4-05-01 $
>> 26 //
27 //------------------ G4ComptonScattering physi 27 //------------------ G4ComptonScattering physics process -----------------------
28 // by Michel Maire, April 19 28 // by Michel Maire, April 1996
29 // 29 //
30 // 10-06-96, updated by M.Maire << 30 // 10-06-96, updated by M.Maire
31 // 21-06-96, SetCuts implementation, M.Maire 31 // 21-06-96, SetCuts implementation, M.Maire
32 // 06-01-97, crossection table + meanfreepath 32 // 06-01-97, crossection table + meanfreepath table, M.Maire
33 // 17-02-97, New Physics scheme 33 // 17-02-97, New Physics scheme
34 // 25-02-97, GetMeanFreePath() now is public f 34 // 25-02-97, GetMeanFreePath() now is public function
35 // 12-03-97, new physics scheme again 35 // 12-03-97, new physics scheme again
36 // 13-08-98, new methods SetBining() PrintInf 36 // 13-08-98, new methods SetBining() PrintInfo()
37 // 03-08-01, new methods Store/Retrieve Physic 37 // 03-08-01, new methods Store/Retrieve PhysicsTable (mma)
38 // 06-08-01, BuildThePhysicsTable() called fro 38 // 06-08-01, BuildThePhysicsTable() called from constructor (mma)
39 // 19-09-01, come back to previous ProcessName 39 // 19-09-01, come back to previous ProcessName "compt"
40 // 20-09-01, DoIt: fminimalEnergy = 1*eV (mma) 40 // 20-09-01, DoIt: fminimalEnergy = 1*eV (mma)
41 // 01-10-01, come back to BuildPhysicsTable(co << 41 // 01-10-01, come back to BuildPhysicsTable(const G4ParticleDefinition&)
42 // 13-08-04, suppress icc file; make public Co <<
43 // 09-11-04, Remove Retrieve tables (V.Ivantch <<
44 // 15-03-05, Redesign - use G4VEmProcess inter <<
45 // 04-05-05, Make class to be default (V.Ivanc <<
46 // 09-09-06, modify SetModel(G4VEmModel*) (mma <<
47 // 12-09-06, move SetModel(G4VEmModel*) in G4V <<
48 // ------------------------------------------- 42 // -----------------------------------------------------------------------------
49 43
50 // class description 44 // class description
51 // 45 //
>> 46 // inherit from G4VDiscreteProcess
>> 47 //
52 48
53 //....oooOO0OOooo........oooOO0OOooo........oo 49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
54 //....oooOO0OOooo........oooOO0OOooo........oo 50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55 51
56 #ifndef G4ComptonScattering_h 52 #ifndef G4ComptonScattering_h
57 #define G4ComptonScattering_h 1 53 #define G4ComptonScattering_h 1
58 54
>> 55 #include "G4ios.hh"
59 #include "globals.hh" 56 #include "globals.hh"
60 #include "G4VEmProcess.hh" << 57 #include "Randomize.hh"
>> 58 #include "G4VDiscreteProcess.hh"
>> 59 #include "G4PhysicsTable.hh"
>> 60 #include "G4PhysicsLogVector.hh"
>> 61 #include "G4Element.hh"
61 #include "G4Gamma.hh" 62 #include "G4Gamma.hh"
>> 63 #include "G4Electron.hh"
>> 64 #include "G4Step.hh"
62 65
63 //....oooOO0OOooo........oooOO0OOooo........oo 66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
64 67
65 class G4ParticleDefinition; << 68 class G4ComptonScattering : public G4VDiscreteProcess
66 class G4VEmModel; << 69
67 class G4MaterialCutsCouple; << 70 {
68 class G4DynamicParticle; << 71 public: // with description
69 << 72
70 class G4ComptonScattering : public G4VEmProces << 73 G4ComptonScattering(const G4String& processName ="compt");
71 << 74
72 { << 75 ~G4ComptonScattering();
73 public: // with description <<
74 76
75 explicit G4ComptonScattering(const G4String& << 77 G4bool IsApplicable(const G4ParticleDefinition&);
76 G4ProcessType type = fElectromagn << 78 // true for Gamma only.
77 << 79
78 ~G4ComptonScattering() override; << 80 void SetPhysicsTableBining(G4double lowE, G4double highE, G4int nBins);
79 << 81 // Allows to define the binning of the PhysicsTables,
80 // true for Gamma only. << 82 // before to build them.
81 G4bool IsApplicable(const G4ParticleDefiniti << 83
>> 84 void BuildPhysicsTable(const G4ParticleDefinition&);
>> 85 // It builds the total CrossSectionPerAtom table, for Gamma,
>> 86 // and for every element contained in the elementTable.
>> 87 // It builds the MeanFreePath table, for Gamma,
>> 88 // and for every material contained in the materialTable.
>> 89
>> 90 G4bool StorePhysicsTable(G4ParticleDefinition* ,
>> 91 const G4String& directory, G4bool);
>> 92 // store CrossSection and MeanFreePath tables into an external file
>> 93 // specified by 'directory' (must exist before invokation)
>> 94
>> 95 G4bool RetrievePhysicsTable(G4ParticleDefinition* ,
>> 96 const G4String& directory, G4bool);
>> 97 // retrieve CrossSection and MeanFreePath tables from an external file
>> 98 // specified by 'directory'
>> 99
>> 100 void PrintInfoDefinition();
>> 101 // Print few lines of informations about the process: validity range,
>> 102 // origine ..etc..
>> 103 // Invoked by BuildThePhysicsTable().
>> 104
>> 105 G4double GetMeanFreePath(const G4Track& aTrack,
>> 106 G4double previousStepSize,
>> 107 G4ForceCondition* condition);
>> 108 // It returns the MeanFreePath of the process for the current track :
>> 109 // (energy, material)
>> 110 // The previousStepSize and G4ForceCondition* are not used.
>> 111 // This function overloads a virtual function of the base class.
>> 112 // It is invoked by the ProcessManager of the Particle.
>> 113
>> 114 G4double GetMicroscopicCrossSection(G4DynamicParticle* aDynamicGamma,
>> 115 G4Element* anElement);
>> 116 // It returns the total CrossSectionPerAtom of the process,
>> 117 // for the current DynamicGamma (energy), in anElement.
>> 118
>> 119 G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
>> 120 const G4Step& aStep);
>> 121 // It computes the final state of the process (at end of step),
>> 122 // returned as a ParticleChange object.
>> 123 // This function overloads a virtual function of the base class.
>> 124 // It is invoked by the ProcessManager of the Particle.
>> 125
>> 126 protected:
>> 127
>> 128 virtual G4double ComputeCrossSectionPerAtom(G4double GammaEnergy,
>> 129 G4double AtomicNumber);
>> 130
>> 131 virtual G4double ComputeMeanFreePath(G4double GammaEnergy,
>> 132 G4Material* aMaterial);
>> 133 private:
82 134
83 // print description in html << 135 // hide assignment operator as private
84 void ProcessDescription(std::ostream&) const << 136 G4ComptonScattering& operator=(const G4ComptonScattering &right);
85 << 137 G4ComptonScattering(const G4ComptonScattering& );
86 G4ComptonScattering & operator=(const G4Com << 138
87 G4ComptonScattering(const G4ComptonScatteri << 139 private:
88 << 140
89 protected: << 141 G4PhysicsTable* theCrossSectionTable; // table for crosssection
90 << 142 G4PhysicsTable* theMeanFreePathTable; // table for mean free path
91 void InitialiseProcess(const G4ParticleDefin << 143
92 << 144 G4double LowestEnergyLimit; // low energy limit of the tables
93 private: << 145 G4double HighestEnergyLimit; // high energy limit of the tables
>> 146 G4int NumbBinTable; // number of bins in the tables
94 147
95 G4bool isInitialised = false; << 148 protected:
>> 149
>> 150 G4double fminimalEnergy; // minimalEnergy of produced particles
96 }; 151 };
97 152
98 //....oooOO0OOooo........oooOO0OOooo........oo 153 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 154
>> 155 #include "G4ComptonScattering.icc"
99 156
100 #endif 157 #endif
101 158
102 159