| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
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14 // * regarding this software system or assum
15 // * use. Please see the license in the file
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17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
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21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25 //
26 // -------------------------------------------
27 // GEANT 4 class header file
28 //
29 // History:
30 // 21-5-98 1 version , V. Grichine
31 // 28-05-01, V.Ivanchenko minor changes t
32 // 23-05-06, H. Burkhardt: Energy spectru
33 //
34 // -------------------------------------------
35
36 #ifndef G4SynchrotronRadiation_h
37 #define G4SynchrotronRadiation_h 1
38
39 #include "globals.hh"
40 #include "G4Step.hh"
41 #include "G4ThreeVector.hh"
42 #include "G4Track.hh"
43 #include "G4VDiscreteProcess.hh"
44
45 class G4LossTableManager;
46 class G4ParticleDefinition;
47 class G4PropagatorInField;
48 class G4VEmAngularDistribution;
49
50 class G4SynchrotronRadiation : public G4VDiscr
51 {
52 public:
53 explicit G4SynchrotronRadiation(const G4Stri
54 G4ProcessTyp
55
56 virtual ~G4SynchrotronRadiation();
57
58 G4SynchrotronRadiation& operator=(const G4Sy
59 delete;
60 G4SynchrotronRadiation(const G4SynchrotronRa
61
62 virtual G4double GetMeanFreePath(const G4Tra
63 G4double pr
64 G4ForceCond
65
66 virtual G4VParticleChange* PostStepDoIt(cons
67 cons
68
69 G4double GetPhotonEnergy(const G4Track& trac
70
71 G4double GetRandomEnergySR(G4double, G4doubl
72
73 G4double InvSynFracInt(G4double x);
74 G4double Chebyshev(G4double a, G4double b, c
75 G4double x);
76
77 virtual G4bool IsApplicable(const G4Particle
78 virtual void BuildPhysicsTable(const G4Parti
79
80 void ProcessDescription(std::ostream&) const
81 void DumpInfo() const override { ProcessDesc
82
83 void SetAngularGenerator(G4VEmAngularDistrib
84
85 private:
86 G4LossTableManager* theManager;
87 G4VEmAngularDistribution* genAngle;
88 G4ParticleDefinition* theGamma;
89 G4PropagatorInField* fFieldPropagator;
90
91 G4bool FirstTime;
92 G4bool FirstTime1;
93
94 G4int secID = -1; // creator modelID
95 };
96
97 ////////////////////////// INLINE METHODS //
98
99 inline G4double G4SynchrotronRadiation::Chebys
100
101
102 {
103 G4double y;
104 G4double y2 = 2.0 * (y = (2.0 * x - a - b) /
105 G4double d = 0., dd = 0.;
106 for(G4int j = n - 1; j >= 1; --j) // Clensh
107 {
108 G4double sv = d;
109 d = y2 * d - dd + c[j];
110 dd = sv;
111 }
112 return y * d - dd + 0.5 * c[0];
113 }
114
115 #endif // end of G4SynchrotronRadiation.hh
116