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26 // 26 //
27 // GEANT4 physics class: G4PhotoNuclearCrossSe 27 // GEANT4 physics class: G4PhotoNuclearCrossSection -- header file
28 // Created: M.V. Kossov, CERN/ITEP(Moscow), 10 28 // Created: M.V. Kossov, CERN/ITEP(Moscow), 10-OCT-01
29 // The last update: M.V. Kossov, CERN/ITEP (Mo 29 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 17-May-02
30 30
31 #ifndef G4PhotoNuclearCrossSection_h 31 #ifndef G4PhotoNuclearCrossSection_h
32 #define G4PhotoNuclearCrossSection_h 1 32 #define G4PhotoNuclearCrossSection_h 1
33 33
34 #include "G4VCrossSectionDataSet.hh" 34 #include "G4VCrossSectionDataSet.hh"
35 #include "G4DynamicParticle.hh" 35 #include "G4DynamicParticle.hh"
36 #include "G4Element.hh" 36 #include "G4Element.hh"
37 #include "G4ParticleTable.hh" 37 #include "G4ParticleTable.hh"
38 #include "G4NucleiProperties.hh" 38 #include "G4NucleiProperties.hh"
39 #include "G4NistManager.hh" 39 #include "G4NistManager.hh"
40 #include <vector> 40 #include <vector>
41 41
42 class G4PhotoNuclearCrossSection : public G4VC 42 class G4PhotoNuclearCrossSection : public G4VCrossSectionDataSet
43 { 43 {
44 public: 44 public:
45 45
46 G4PhotoNuclearCrossSection(); 46 G4PhotoNuclearCrossSection();
47 ~G4PhotoNuclearCrossSection() override; << 47 virtual ~G4PhotoNuclearCrossSection();
48 48
49 static const char* Default_Name() {return 49 static const char* Default_Name() {return "PhotoNuclearXS";}
50 50
51 void CrossSectionDescription(std::ostream& << 51 virtual void CrossSectionDescription(std::ostream&) const;
52 << 52
53 G4bool IsIsoApplicable(const G4DynamicPart << 53 virtual G4bool
54 const G4Element* el << 54 IsElementApplicable(const G4DynamicParticle* particle, G4int Z,
55 const G4Material* mat = nullptr) over << 55 const G4Material*);
56 << 56
57 G4bool IsElementApplicable(const G4Dynamic << 57 virtual G4double
58 const G4Materia << 58 GetElementCrossSection(const G4DynamicParticle*, G4int Z,
59 << 59 const G4Material*);
60 G4double GetIsoCrossSection(const G4Dynami << 60
61 G4int Z, G4int <<
62 const G4Isotop <<
63 const G4Elemen <<
64 const G4Materi <<
65 <<
66 G4double GetElementCrossSection(const G4Dy <<
67 const G4Ma <<
68 <<
69 G4double ComputeElementXSection(G4double e <<
70 <<
71 G4double ComputeIsoXSection(G4double energ <<
72 <<
73 G4PhotoNuclearCrossSection& operator= <<
74 (const G4PhotoNuclearCrossSection& right) <<
75 G4PhotoNuclearCrossSection(const G4PhotoNu <<
76 <<
77 private: 61 private:
78 62
79 G4int GetFunctions(G4double a, G4double* y 63 G4int GetFunctions(G4double a, G4double* y, G4double* z);
80 G4double EquLinearFit(G4double X, G4int N, 64 G4double EquLinearFit(G4double X, G4int N, const G4double X0,
81 const G4double XD, c 65 const G4double XD, const G4double* Y);
82 G4double ThresholdEnergy(G4int Z, G4int N) 66 G4double ThresholdEnergy(G4int Z, G4int N);
83 67
84 G4int lastZ = 0; // The last Z << 68 // Body
85 G4double lastSig = 0.0; // Last value << 69 private:
86 G4double* lastGDR = nullptr; // Pointer to << 70
87 G4double* lastHEN = nullptr; // Pointer to << 71 G4int lastZ; // The last Z of calculated nucleus
88 G4double lastE = 0.0; // Last used << 72 G4double lastSig; // Last value of the Cross Section
89 G4double lastTH = 0.0; // Last value << 73 G4double* lastGDR; // Pointer to the last array of GDR cross sections
90 G4double lastSP = 0.0; // Last value << 74 G4double* lastHEN; // Pointer to the last array of HEn cross sections
>> 75 G4double lastE; // Last used in the cross section Energy
>> 76 G4double lastTH; // Last value of the Energy Threshold (A-dependent)
>> 77 G4double lastSP; // Last value of the ShadowingPomeron (A-dependent)
91 78
92 // Vector of pointers to the GDRPhotonucle 79 // Vector of pointers to the GDRPhotonuclearCrossSection
93 std::vector <G4double*> GDR; 80 std::vector <G4double*> GDR;
94 <<
95 // store deuteron, triton, He3 XS <<
96 G4double* deuteron_GDR = nullptr; <<
97 G4double* deuteron_HR = nullptr; <<
98 G4double deuteron_TH = 0.0; <<
99 G4double deuteron_SP = 0.0; <<
100 G4double* triton_GDR = nullptr; <<
101 G4double* triton_HR = nullptr; <<
102 G4double triton_TH = 0.0; <<
103 G4double triton_SP = 0.0; <<
104 G4double* he3_GDR = nullptr; <<
105 G4double* he3_HR = nullptr; <<
106 G4double he3_TH = 0.0; <<
107 G4double he3_SP = 0.0; <<
108 81
109 // Vector of pointers to the HighEnPhotonu 82 // Vector of pointers to the HighEnPhotonuclearCrossSect
110 std::vector <G4double*> HEN; 83 std::vector <G4double*> HEN;
111 84
112 std::vector <G4double> spA; // shadowing 85 std::vector <G4double> spA; // shadowing coefficients (A-dependent)
113 std::vector <G4double> eTH; // energy t 86 std::vector <G4double> eTH; // energy threshold (A-dependent)
114 87
115 G4NistManager* nistmngr; 88 G4NistManager* nistmngr;
116 89
117 G4double mNeut; 90 G4double mNeut;
118 G4double mProt; 91 G4double mProt;
119 }; 92 };
120 93
121 #endif 94 #endif
122 95