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27
28 #ifndef G4XAnnihilationChannel_h
29 #define G4XAnnihilationChannel_h
30
31 #include "globals.hh"
32 #include "G4VCrossSectionSource.hh"
33 #include "G4CrossSectionVector.hh"
34 #include "G4Clebsch.hh"
35 #include "G4ResonanceNames.hh"
36
37 #include <map>
38
39 class G4ParticleDefinition;
40 class G4PhysicsVector;
41 class G4KineticTrack;
42 class G4ResonanceWidth;
43 class G4ResonancePartialWidth;
44 class G4PartialWidthTable;
45
46 class G4XAnnihilationChannel : public G4VCrossSectionSource
47 {
48 public:
49
50 G4XAnnihilationChannel();
51
52 G4XAnnihilationChannel(const G4ParticleDefinition* resDefinition,
53 const G4ResonanceWidth& resWidths,
54 const G4ResonancePartialWidth& resPartWidths,
55 const G4String& partWidthLabel);
56
57 virtual ~G4XAnnihilationChannel();
58
59 G4bool operator==(const G4XAnnihilationChannel &right) const;
60 G4bool operator!=(const G4XAnnihilationChannel &right) const;
61
62 virtual G4double CrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const;
63
64 virtual const G4CrossSectionVector* GetComponents() const { return 0; }
65
66 virtual G4bool IsValid(G4double e) const;
67
68 virtual G4String Name() const;
69
70
71 protected:
72
73 private:
74
75 G4XAnnihilationChannel(const G4XAnnihilationChannel &right);
76 const G4XAnnihilationChannel& operator=(const G4XAnnihilationChannel &right);
77
78 G4double Branch(const G4KineticTrack& trk1,
79 const G4KineticTrack& trk2) const;
80
81 G4double VariableWidth(const G4KineticTrack& trk1,
82 const G4KineticTrack& trk2) const;
83
84 G4double VariablePartialWidth(const G4KineticTrack& trk1,
85 const G4KineticTrack& trk2) const;
86
87 G4double NormalizedClebsch(const G4KineticTrack& trk1,
88 const G4KineticTrack& trk2) const;
89
90 G4double lowLimit;
91 G4double highLimit;
92
93 G4Clebsch clebsch;
94 G4ResonanceNames theNames;
95
96 // Owned pointers
97 G4PhysicsVector* widthTable;
98 G4PhysicsVector* partWidthTable;
99
100 // Unowned pointer
101 const G4ParticleDefinition* resonance;
102 };
103
104 #endif
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