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27 //
28 // GEANT4 Class header file
29 //
30 //
31 // File name: G4ParticleInelasticXS
32 //
33 // Author Ivantchenko, Geant4, 24 May 2018
34 //
35
36 // Class Description:
37 // This is a base class for n,p,d,t,he3,he4 inelastic hadronic cross
38 // section based on data files from G4PARTICLEXSDATA data set
39 // and Glauber-Gribov model for high energy
40 //
41
42 #ifndef G4ParticleInelasticXS_h
43 #define G4ParticleInelasticXS_h 1
44
45 #include "G4VCrossSectionDataSet.hh"
46 #include "globals.hh"
47 #include "G4ElementData.hh"
48 #include "G4PhysicsVector.hh"
49 #include <vector>
50
51 class G4DynamicParticle;
52 class G4ParticleDefinition;
53 class G4Element;
54 class G4VComponentCrossSection;
55
56 class G4ParticleInelasticXS final : public G4VCrossSectionDataSet
57 {
58 public:
59
60 explicit G4ParticleInelasticXS(const G4ParticleDefinition*);
61
62 ~G4ParticleInelasticXS() override = default;
63
64 G4bool IsElementApplicable(const G4DynamicParticle*, G4int Z,
65 const G4Material* mat = nullptr) final;
66
67 G4bool IsIsoApplicable(const G4DynamicParticle*, G4int Z, G4int A,
68 const G4Element* elm = nullptr,
69 const G4Material* mat = nullptr) final;
70
71 G4double GetElementCrossSection(const G4DynamicParticle*, G4int Z,
72 const G4Material* mat = nullptr) final;
73
74 G4double ComputeCrossSectionPerElement(G4double kinEnergy, G4double loge,
75 const G4ParticleDefinition*,
76 const G4Element*,
77 const G4Material*) final;
78
79 G4double ComputeIsoCrossSection(G4double kinEnergy, G4double loge,
80 const G4ParticleDefinition*,
81 G4int Z, G4int A,
82 const G4Isotope* iso,
83 const G4Element* elm,
84 const G4Material* mat) final;
85
86 G4double GetIsoCrossSection(const G4DynamicParticle*, G4int Z, G4int A,
87 const G4Isotope* iso = nullptr,
88 const G4Element* elm = nullptr,
89 const G4Material* mat = nullptr) final;
90
91 const G4Isotope* SelectIsotope(const G4Element*,
92 G4double kinEnergy, G4double logE) final;
93
94 void BuildPhysicsTable(const G4ParticleDefinition&) final;
95
96 void CrossSectionDescription(std::ostream&) const final;
97
98 G4double ElementCrossSection(G4double kinEnergy, G4double loge, G4int Z);
99
100 G4double IsoCrossSection(G4double ekin, G4double logE, G4int Z, G4int A);
101
102 G4ParticleInelasticXS & operator=
103 (const G4ParticleInelasticXS &right) = delete;
104 G4ParticleInelasticXS(const G4ParticleInelasticXS&) = delete;
105
106 private:
107
108 void Initialise(G4int Z);
109
110 inline const G4PhysicsVector* GetPhysicsVector(G4int Z);
111
112 G4PhysicsVector* RetrieveVector(std::ostringstream& in, G4bool warn);
113
114 G4VComponentCrossSection* highEnergyXsection = nullptr;
115 const G4ParticleDefinition* particle;
116
117 std::vector<G4double> temp;
118 G4double elimit;
119
120 G4int index{0};
121
122 static const G4int MAXZINELP = 93;
123 static G4ElementData* data[5];
124 static G4double coeff[MAXZINELP][5];
125 static G4String gDataDirectory;
126 };
127
128 inline
129 const G4PhysicsVector* G4ParticleInelasticXS::GetPhysicsVector(G4int Z)
130 {
131 const G4PhysicsVector* pv = data[index]->GetElementData(Z);
132 if (pv == nullptr) {
133 Initialise(Z);
134 pv = data[index]->GetElementData(Z);
135 }
136 return pv;
137 }
138
139 #endif
140