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25 //
26 /////////////////////////////////////////////////////////////////////////////////
27 // Class: G4AdjointForcedInteractionForGamma
28 // Author: L. Desorgher
29 // Organisation: SpaceIT GmbH
30 //
31 // Class for the forced interaction of reverse gamma
32 /////////////////////////////////////////////////////////////////////////////////
33
34 #ifndef G4AdjointForcedInteractionForGamma_h
35 #define G4AdjointForcedInteractionForGamma_h 1
36
37 #include "globals.hh"
38 #include "G4VContinuousDiscreteProcess.hh"
39
40 class G4VParticleChange;
41 class G4ParticleChange;
42 class G4ParticleDefinition;
43 class G4Track;
44 class G4VEmAdjointModel;
45 class G4AdjointCSManager;
46
47 class G4AdjointForcedInteractionForGamma : public G4VContinuousDiscreteProcess
48 {
49 public:
50 explicit G4AdjointForcedInteractionForGamma(const G4String& process_name);
51
52 ~G4AdjointForcedInteractionForGamma() override;
53
54 void BuildPhysicsTable(const G4ParticleDefinition&) override;
55
56 G4double PostStepGetPhysicalInteractionLength(
57 const G4Track& track, G4double previousStepSize,
58 G4ForceCondition* condition) override;
59
60 G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&) override;
61
62 G4VParticleChange* AlongStepDoIt(const G4Track& track,
63 const G4Step& step) override;
64
65 inline void RegisterAdjointComptonModel(G4VEmAdjointModel* adjModel)
66 {
67 fAdjointComptonModel = adjModel;
68 }
69
70 inline void RegisterAdjointBremModel(G4VEmAdjointModel* adjModel)
71 {
72 fAdjointBremModel = adjModel;
73 }
74
75 void ProcessDescription(std::ostream&) const override;
76 void DumpInfo() const override { ProcessDescription(G4cout); };
77
78 G4AdjointForcedInteractionForGamma(G4AdjointForcedInteractionForGamma&) =
79 delete;
80 G4AdjointForcedInteractionForGamma& operator=(
81 const G4AdjointForcedInteractionForGamma& right) = delete;
82
83 protected:
84 G4double GetMeanFreePath(const G4Track& track, G4double previousStepSize,
85 G4ForceCondition* condition) override;
86
87 G4double GetContinuousStepLimit(const G4Track& aTrack,
88 G4double previousStepSize,
89 G4double currentMinimumStep,
90 G4double& currentSafety) override;
91
92 private:
93 G4VEmAdjointModel* fAdjointComptonModel;
94 G4VEmAdjointModel* fAdjointBremModel;
95
96 G4ParticleChange* fParticleChange;
97 G4AdjointCSManager* fCSManager;
98
99 G4double fLastAdjCS = 0.;
100 G4double fCSBias = 1.;
101 G4double fAccTrackLength = 0.;
102 G4double fTotNbAdjIntLength = 0.;
103
104 G4double fNbAdjIntLength = 0.;
105
106 G4int fLastFreeFlightTrackId = 1000;
107
108 G4bool fContinueGammaAsNewFreeFlight = false;
109 G4bool fFreeFlightGamma = false;
110 G4bool fCopyGammaForForced = false;
111 };
112
113 #endif
114