| Geant4 Cross Reference |
1 // 1
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25 //
26 //
27 //
28 // -------------------------------------------
29 // GEANT4 class header file
30 //
31 // Class Description:
32 // Base class for a clipboard for communicatin
33 //
34 // ------------------ G4VEntanglementClipBoard
35 //
36 // Author: J.Allison, May 2017
37 //
38 // -------------------------------------------
39
40 // Usage:
41 //
42 // In the method that generates entangled seco
43 // (See, for example, G4eplusAnnihilation::AtR
44 // Make a shared pointer to a clip board and a
45 // G4EntanglementAuxInfo. That way the clip bo
46 // (G4XXXEntanglementClipBoard is your class i
47 // (See, for example, G4eplusAnnihilationEntan
48 // auto clipBoard = std::make_shared<G4XXXEnt
49 // For each secondary
50 // G4Track* track = new G4Track(...
51 // ...
52 // clipBoard->SetTrackA(track);
53 // track->SetAuxiliaryTrackInformation(0,new
54 // Then repeat for track B
55 //
56 // In the method that does the quantum "measur
57 // (See, for example, G4LivermorePolarizedComp
58 // const auto* auxInfo = fParticleChange->Get
59 // if (auxInfo) {
60 // const auto* entanglementAuxInfo = dynami
61 // if (entanglementAuxInfo) {
62 // auto* clipBoard = dynamic_cast<G4XXXEn
63 // (entanglementAuxInfo->GetEntanglementC
64 // if (clipBoard) {
65 // if (clipBoard->IsTrack1Measurement()
66 // if (clipBoard->GetTrackB() == fPar
67 // clipBoard->ResetTrack1Measuremen
68 // // Store information
69 // ...
70 // }
71 // } else if (clipBoard->IsTrack2Measur
72 // if (clipBoard->GetTrackA() == fPar
73 // clipBoard->ResetTrack2Measuremen
74 // // Retrieve information and appl
75 // ...
76 // }
77 // }
78 // }
79 // }
80 // }
81
82 #ifndef G4VEntanglementClipBoard_hh
83 #define G4VEntanglementClipBoard_hh
84
85 #include "globals.hh"
86
87 class G4ParticleDefinition;
88 class G4Track;
89
90 class G4VEntanglementClipBoard {
91
92 public:
93
94 G4VEntanglementClipBoard()
95 : fpParentParticleDefinition(0)
96 , fTrackA(0)
97 , fTrackB(0)
98 , fTrack1Measurement(true)
99 , fTrack2Measurement(true)
100 {}
101 virtual ~G4VEntanglementClipBoard() {}
102
103 void SetParentParticleDefinition(G4ParticleD
104 {fpParentParticleDefinition = p;}
105 G4ParticleDefinition* GetParentParticleDefin
106 {return fpParentParticleDefinition;}
107
108 void SetTrackA(const G4Track* track) {fTrack
109 void SetTrackB(const G4Track* track) {fTrack
110 const G4Track* GetTrackA() const {return fTr
111 const G4Track* GetTrackB() const {return fTr
112
113 // The entanglement-sensitive process is res
114 void ResetTrack1Measurement() {fTrack1Measur
115 void ResetTrack2Measurement() {fTrack2Measur
116 G4bool IsTrack1Measurement() const {return f
117 G4bool IsTrack2Measurement() const {return f
118
119 private:
120
121 G4ParticleDefinition* fpParentParticleDefini
122
123 // Use pointer values to identify tracks. We
124 // tracks will be processed so let us call t
125 const G4Track* fTrackA;
126 const G4Track* fTrackB;
127
128 // False until first measurement...
129 G4bool fTrack1Measurement; // ...of the fir
130 G4bool fTrack2Measurement; // ...of the sec
131
132 };
133
134 #endif
135