| Geant4 Cross Reference |
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25 //
26 // GEANT4 Class file
27 //
28 // File name: G4InterfaceToXS
29 //
30 // Authors V.Ivantchenko 12 July 2024
31 //
32 // The interface provide access to inelastic c
33 // neutrons, and light ions based on G4PARTICL
34 // The only one instance of the cross section
35 // This class may be used by any model, cross
36
37 #include "G4InterfaceToXS.hh"
38 #include "G4ParticleDefinition.hh"
39 #include "G4GammaNuclearXS.hh"
40 #include "G4NeutronInelasticXS.hh"
41 #include "G4ParticleInelasticXS.hh"
42 #include "G4CrossSectionDataSetRegistry.hh"
43 #include "G4Log.hh"
44
45 G4InterfaceToXS::G4InterfaceToXS(const G4Parti
46 : index(idx), fParticle(p)
47 {
48 auto reg = G4CrossSectionDataSetRegistry::In
49 if (index == 0) {
50 fNeutronNuclear =
51 dynamic_cast<G4NeutronInelasticXS*>(reg-
52 if (nullptr == fNeutronNuclear) { fNeutron
53 fNeutronNuclear->BuildPhysicsTable(*fParti
54 } else if (index > 0 && index < 6) {
55 const G4String pname[6] = {"neutron", "pro
56 const G4String& ss = pname[index] + "Parti
57 fParticleNuclear =
58 dynamic_cast<G4ParticleInelasticXS*>(reg
59 if (nullptr == fParticleNuclear) { fPartic
60 fParticleNuclear->BuildPhysicsTable(*fPart
61 } else if (index == 6) {
62 fGammaNuclear =
63 dynamic_cast<G4GammaNuclearXS*>(reg->Get
64 if (nullptr == fGammaNuclear) { fGammaNucl
65 fGammaNuclear->BuildPhysicsTable(*fParticl
66 }
67 }
68
69 G4double G4InterfaceToXS::GetElementCrossSecti
70 {
71 G4double res = 0.0;
72 if (ekin <= 0.0) { return res; }
73 if (nullptr != fNeutronNuclear) {
74 res = fNeutronNuclear->ElementCrossSection
75 } else if (nullptr != fParticleNuclear) {
76 res = fParticleNuclear->ElementCrossSectio
77 } else if (nullptr != fGammaNuclear) {
78 res = fGammaNuclear->ElementCrossSection(e
79 }
80 return res;
81 }
82
83 G4double G4InterfaceToXS::GetIsoCrossSection(c
84 {
85 G4double res = 0.0;
86 if (ekin <= 0.0) { return res; }
87 if (nullptr != fNeutronNuclear) {
88 res = fNeutronNuclear->IsoCrossSection(eki
89 } else if (nullptr != fParticleNuclear) {
90 res = fParticleNuclear->IsoCrossSection(ek
91 } else if (nullptr != fGammaNuclear) {
92 res = fGammaNuclear->IsoCrossSection(ekin,
93 }
94 return res;
95 }
96