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25 // 25 //
26 // 26 //
27 // 27 //
28 // ------------------------------------------- 28 // --------------------------------------------------------------------
29 // GEANT4 class header file 29 // GEANT4 class header file
30 // 30 //
31 // Class Description: 31 // Class Description:
32 // A clipboard for communicating between quant 32 // A clipboard for communicating between quantum entangled photons
33 // from e+ annihilation. Applies only to the t 33 // from e+ annihilation. Applies only to the two-gamma decay from the
34 // JP=0- state of e+e-, para-positronium. (Thi 34 // JP=0- state of e+e-, para-positronium. (This is the dominant process
35 // in materials such as human tissue, since th 35 // in materials such as human tissue, since the ortho-positronium JP=1-
36 // state, initially more likely, is "picked of 36 // state, initially more likely, is "picked off" by a near-by electron
37 // and turned into para-positronium, because i 37 // and turned into para-positronium, because it has the much shorter
38 // meanlife.) 38 // meanlife.)
39 // Also applies to pi zero (JP=0-). 39 // Also applies to pi zero (JP=0-).
40 // 40 //
41 // ------------------ G4eplusAnnihilationEntan 41 // ------------------ G4eplusAnnihilationEntanglementClipBoard ------------------
42 // 42 //
43 // Author: J.Allison, May 2017 43 // Author: J.Allison, May 2017
44 // 44 //
45 // ------------------------------------------- 45 // --------------------------------------------------------------------
46 46
47 // This is a concrete class based on G4VEntang 47 // This is a concrete class based on G4VEntanglementClipBoard. Information
48 // specific to this type of entanglement can b 48 // specific to this type of entanglement can be posted here. See
49 // G4VEntanglementClipBoard.hh for more detail 49 // G4VEntanglementClipBoard.hh for more detail on how to use this class.
50 50
51 #ifndef G4eplusAnnihilationEntanglementClipBoa 51 #ifndef G4eplusAnnihilationEntanglementClipBoard_hh
52 #define G4eplusAnnihilationEntanglementClipBoa 52 #define G4eplusAnnihilationEntanglementClipBoard_hh
53 53
54 #include "G4VEntanglementClipBoard.hh" 54 #include "G4VEntanglementClipBoard.hh"
55 55
56 class G4eplusAnnihilationEntanglementClipBoard 56 class G4eplusAnnihilationEntanglementClipBoard
57 : public G4VEntanglementClipBoard 57 : public G4VEntanglementClipBoard
58 { 58 {
59 public: 59 public:
60 G4eplusAnnihilationEntanglementClipBoard() 60 G4eplusAnnihilationEntanglementClipBoard()
61 : fComptonCosTheta1(0.) 61 : fComptonCosTheta1(0.)
62 , fComptonPhi1(0.) 62 , fComptonPhi1(0.)
63 {} 63 {}
64 ~G4eplusAnnihilationEntanglementClipBoard() 64 ~G4eplusAnnihilationEntanglementClipBoard() {}
65 65
66 // Cos(theta) and phi of the first Compton s 66 // Cos(theta) and phi of the first Compton scattering of the first photon
67 void SetComptonCosTheta1(G4double cosTheta1) 67 void SetComptonCosTheta1(G4double cosTheta1) {fComptonCosTheta1 = cosTheta1;}
68 void SetComptonPhi1(G4double phi1) {fCompton 68 void SetComptonPhi1(G4double phi1) {fComptonPhi1 = phi1;}
69 G4double GetComptonCosTheta1() const {return 69 G4double GetComptonCosTheta1() const {return fComptonCosTheta1;}
70 G4double GetComptonPhi1() const {return fCom 70 G4double GetComptonPhi1() const {return fComptonPhi1;}
71 71
72 protected: 72 protected:
73 // Cos(theta) and phi of the first Compton s 73 // Cos(theta) and phi of the first Compton scattering of the first photon
74 G4double fComptonCosTheta1, fComptonPhi1; 74 G4double fComptonCosTheta1, fComptonPhi1;
75 }; 75 };
76 76
77 #endif 77 #endif
78 78