| Geant4 Cross Reference |
1 //
2 // ********************************************************************
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4 // * *
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17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
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24 // ********************************************************************
25 //
26 //
27 //
28 //
29 //
30 // Author: A. Forti
31 // Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
32 //
33 // History:
34 // -----------
35 // 02 Mar 1999 A. Forti 1st implementation
36 // 11 Aug 2001 MGP Major revision according to a design iteration
37 //
38 // -------------------------------------------------------------------
39
40 // Class description:
41 // Low Energy Electromagnetic process, Rayleigh effect
42 // Further documentation available from http://www.ge.infn.it/geant4/lowE
43
44 // -------------------------------------------------------------------
45
46 #ifndef G4RDLOWENERGYRAYLEIGH_HH
47 #define G4RDLOWENERGYRAYLEIGH_HH 1
48
49 #include "globals.hh"
50 #include "G4VDiscreteProcess.hh"
51 class G4Track;
52 class G4Step;
53 class G4ParticleDefinition;
54 class G4VParticleChange;
55 class G4RDVEMDataSet;
56 class G4RDVCrossSectionHandler;
57
58 class G4LowEnergyRayleigh : public G4VDiscreteProcess {
59
60 public:
61
62 G4LowEnergyRayleigh(const G4String& processName ="LowEnRayleigh");
63
64 ~G4LowEnergyRayleigh();
65
66 G4bool IsApplicable(const G4ParticleDefinition&);
67
68 void BuildPhysicsTable(const G4ParticleDefinition& photon);
69
70 G4VParticleChange* PostStepDoIt(const G4Track& aTrack, const G4Step& aStep);
71
72 // For testing purpose only
73 G4double DumpMeanFreePath(const G4Track& aTrack,
74 G4double previousStepSize,
75 G4ForceCondition* condition)
76 { return GetMeanFreePath(aTrack, previousStepSize, condition); }
77
78 protected:
79
80 G4double GetMeanFreePath(const G4Track& aTrack,
81 G4double previousStepSize,
82 G4ForceCondition* condition);
83
84 private:
85
86 // Hide copy constructor and assignment operator as private
87 G4LowEnergyRayleigh& operator=(const G4LowEnergyRayleigh &right);
88 G4LowEnergyRayleigh(const G4LowEnergyRayleigh& );
89
90 G4double lowEnergyLimit; // low energy limit applied to the process
91 G4double highEnergyLimit; // high energy limit applied to the process
92
93 G4RDVEMDataSet* meanFreePathTable;
94 G4RDVEMDataSet* formFactorData;
95
96 G4RDVCrossSectionHandler* crossSectionHandler;
97
98 const G4double intrinsicLowEnergyLimit; // intrinsic validity range
99 const G4double intrinsicHighEnergyLimit;
100
101 };
102
103 #endif
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