Geant4  v4-10.4-release
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26 // $Id: G4AdjointPhotoElectricModel.hh 66892 2013-01-17 10:57:59Z gunter$
27 //
30 // Author: L. Desorgher
31 // Organisation: SpaceIT GmbH
32 // Contract: ESA contract 21435/08/NL/AT
33 // Customer: ESA/ESTEC
35 //
36 // CHANGE HISTORY
37 // --------------
38 // ChangeHistory:
39 // -1 September 2007 creation by L. Desorgher
40 //
41 // -January 2009. L. Desorgher
42 // Put a higher limit on the CS to avoid a high rate of Inverse Photo e- effect at low energy. The very high adjoint CS of the reverse
43 // photo electric reaction produce a high rate of reverse photo electric reaction in the inner side of a shielding for eaxmple, the correction of this occurence
44 // by weight correction in the StepDoIt method is not statistically sufficient at small energy. The problem is partially solved by setting an higher CS limit
45 // and compensating it by an extra weight correction factor. However when coupling it with other reverse processes the reverse photo-electric is still
46 // the source of very occasional high weight that decrease the efficiency of the computation. A way to solve this problemn is still needed but is difficult
47 // to find as it happens in rarea case but does give a weighrt that is outside the noemal distribution. (Very Tricky!)
48 //
49 // -October 2009 Correction of Element sampling. L. Desorgher
50 //
51 //-------------------------------------------------------------
52 // Documentation:
53 // Model for the adjoint photo electric process
54 //
57
58
59 #include "globals.hh"
61 #include "G4PEEffectFluoModel.hh"
63
64 {
65 public:
66
69
70
71
72  virtual void SampleSecondaries(const G4Track& aTrack,
73  G4bool IsScatProjToProjCase,
74  G4ParticleChange* fParticleChange);
75  virtual G4double AdjointCrossSection(const G4MaterialCutsCouple* aCouple,
76  G4double primEnergy,
77  G4bool IsScatProjToProjCase);
79  G4double primEnergy,
80  G4bool IsScatProjToProjCase);
81
82  G4double AdjointCrossSectionPerAtom(const G4Element* anElement,G4double electronEnergy);
83
84
85
87  DefineDirectEMModel(aModel);}
88
89  virtual void CorrectPostStepWeight(G4ParticleChange* fParticleChange,
90  G4double old_weight,
92  G4double projectileKinEnergy,
93  G4bool IsScatProjToProjCase);
94
95
96 private:
103
104
106
107
111
112
113 private:
115  G4double eEnergy);
116
117 };
118
119 #endif
void SetTheDirectPEEffectModel(G4PEEffectFluoModel *aModel)
void DefineDirectEMModel(G4VEmModel *aModel)
virtual G4double GetAdjointCrossSection(const G4MaterialCutsCouple *aCouple, G4double primEnergy, G4bool IsScatProjToProjCase)
double G4double
Definition: G4Types.hh:76
bool G4bool
Definition: G4Types.hh:79
G4double AdjointCrossSectionPerAtom(const G4Element *anElement, G4double electronEnergy)
virtual void SampleSecondaries(const G4Track &aTrack, G4bool IsScatProjToProjCase, G4ParticleChange *fParticleChange)
virtual G4double AdjointCrossSection(const G4MaterialCutsCouple *aCouple, G4double primEnergy, G4bool IsScatProjToProjCase)
virtual void CorrectPostStepWeight(G4ParticleChange *fParticleChange, G4double old_weight, G4double adjointPrimKinEnergy, G4double projectileKinEnergy, G4bool IsScatProjToProjCase)
void DefineCurrentMaterialAndElectronEnergy(const G4MaterialCutsCouple *aCouple, G4double eEnergy)