| Geant4 Cross Reference |
1 //
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25 //
26 //
27 /// \brief Identical to G4VRestDiscreteProcess with dependency from G4VITProcess
28 //
29 // WARNING : This class is released as a prototype.
30 // It might strongly evolve or even disapear in the next releases.
31 //
32 // Author: Mathieu Karamitros
33
34 // The code is developed in the framework of the ESA AO7146
35 //
36 // We would be very happy hearing from you, send us your feedback! :)
37 //
38 // In order for Geant4-DNA to be maintained and still open-source,
39 // article citations are crucial.
40 // If you use Geant4-DNA chemistry and you publish papers about your software,
41 // in addition to the general paper on Geant4-DNA:
42 //
43 // Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
44 //
45 // we would be very happy if you could please also cite the following
46 // reference papers on chemistry:
47 //
48 // J. Comput. Phys. 274 (2014) 841-882
49 // Prog. Nucl. Sci. Tec. 2 (2011) 503-508
50
51 #pragma once
52 #include "G4VITProcess.hh"
53
54 /** Identical to G4VRestDiscreteProcess with dependency on G4VITProcess */
55
56 class G4VITRestDiscreteProcess : public G4VITProcess
57 {
58 // Abstract class which defines the public behavior of
59 // rest + discrete physics interactions.
60 public:
61 G4VITRestDiscreteProcess() = delete;
62 G4VITRestDiscreteProcess(const G4String&, G4ProcessType aType = fNotDefined);
63 G4VITRestDiscreteProcess(const G4VITRestDiscreteProcess&) = delete;
64 G4VITRestDiscreteProcess& operator=(const G4VITRestDiscreteProcess& right) = delete;
65 ~G4VITRestDiscreteProcess() override;
66
67 public:
68 // with description
69 G4double
70 PostStepGetPhysicalInteractionLength(const G4Track& track,
71 G4double previousStepSize,
72 G4ForceCondition* condition) override;
73
74 G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&) override;
75
76 G4double AtRestGetPhysicalInteractionLength(const G4Track&,
77 G4ForceCondition*) override;
78
79 G4VParticleChange* AtRestDoIt(const G4Track&, const G4Step&) override;
80
81 // no operation in AlongStepDoIt
82 G4double AlongStepGetPhysicalInteractionLength(const G4Track&,
83 G4double,
84 G4double,
85 G4double&,
86 G4GPILSelection*) override
87 {
88 return -1.0;
89 }
90
91 // no operation in AlongStepDoIt
92 G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&) override
93 {
94 return nullptr;
95 }
96
97 protected:
98 // with description
99 virtual G4double GetMeanFreePath(const G4Track& aTrack,
100 G4double previousStepSize,
101 G4ForceCondition* condition) = 0;
102 // Calculates from the macroscopic cross section a mean
103 // free path, the value is returned in units of distance.
104
105 virtual G4double GetMeanLifeTime(const G4Track& aTrack,
106 G4ForceCondition* condition) = 0;
107 // Calculates the mean life-time (i.e. for decays) of the
108 // particle at rest due to the occurrence of the given process,
109 // or converts the probability of interaction (i.e. for
110 // annihilation) into the life-time of the particle for the
111 // occurrence of the given process.
112 };
113