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25 //
26 //
27 /// \brief Identical to G4VRestProcess 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 #ifndef G4VITRestProcess_h
52 #define G4VITRestProcess_h 1
53
54 #include <CLHEP/Units/SystemOfUnits.h>
55
56 #include "G4VITProcess.hh"
57
58 /**
59 * Identical to G4VRestProcess with dependency from G4VITProcess
60 */
61
62 class G4VITRestProcess : public G4VITProcess
63 {
64 // Abstract class which defines the public behavior of
65 // physics interactions at rest.
66
67 public:
68 G4VITRestProcess(const G4String&, G4ProcessType aType = fNotDefined);
69 G4VITRestProcess(const G4VITRestProcess&);
70
71 ~G4VITRestProcess() override;
72
73 public:
74 // with description
75 G4double AtRestGetPhysicalInteractionLength(const G4Track& track,
76 G4ForceCondition* condition) override;
77
78 G4VParticleChange* AtRestDoIt(const G4Track&, const G4Step&) override;
79
80 // no operation in PostStepDoIt and AlongStepDoIt
81 G4double AlongStepGetPhysicalInteractionLength(const G4Track&,
82 G4double,
83 G4double,
84 G4double&,
85 G4GPILSelection*) override
86 {
87 return -1.0;
88 }
89
90 G4double PostStepGetPhysicalInteractionLength(const G4Track&,
91 G4double,
92 G4ForceCondition*) override
93 {
94 return -1.0;
95 }
96
97 // no operation in PostStepDoIt and AlongStepDoIt
98 G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&) override
99 {
100 return nullptr;
101 }
102
103 G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&) override
104 {
105 return nullptr;
106 }
107
108 protected:
109 // with description
110
111 virtual G4double GetMeanLifeTime(const G4Track& aTrack,
112 G4ForceCondition* condition)=0;
113 // Calculates the mean life-time (i.e. for decays) of the
114 // particle at rest due to the occurrence of the given process,
115 // or converts the probability of interaction (i.e. for
116 // annihilation) into the life-time of the particle for the
117 // occurrence of the given process.
118
119 protected:
120 // hide default constructor and assignment operator as private
121 G4VITRestProcess();
122 G4VITRestProcess & operator=(const G4VITRestProcess &right);
123 };
124
125 // -----------------------------------------
126 // inlined function members implementation
127 // -----------------------------------------
128 inline G4double G4VITRestProcess::AtRestGetPhysicalInteractionLength(const G4Track& track,
129 G4ForceCondition* condition)
130 {
131 // beggining of tracking
132 ResetNumberOfInteractionLengthLeft();
133
134 // condition is set to "Not Forced"
135 *condition = NotForced;
136
137 // get mean life time
138 fpState->currentInteractionLength = GetMeanLifeTime(track, condition);
139
140 #ifdef G4VERBOSE
141 if((fpState->currentInteractionLength < 0.0) || (verboseLevel > 2))
142 {
143 G4cout << "G4VITRestProcess::AtRestGetPhysicalInteractionLength ";
144 G4cout << "[ " << GetProcessName() << "]" << G4endl;
145 track.GetDynamicParticle()->DumpInfo();
146 G4cout << " in Material " << track.GetMaterial()->GetName() << G4endl;
147 G4cout << "MeanLifeTime = " << fpState->currentInteractionLength / CLHEP::ns
148 << "[ns]" << G4endl;
149 }
150 #endif
151
152 return (fpState->theNumberOfInteractionLengthLeft)
153 * (fpState->currentInteractionLength);
154 }
155
156 inline G4VParticleChange* G4VITRestProcess::AtRestDoIt(const G4Track&,
157 const G4Step&)
158 {
159 ClearNumberOfInteractionLengthLeft();
160 ClearInteractionTimeLeft();
161 return pParticleChange;
162 }
163
164 #endif
165
166