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26 //
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class header file
30 //
31 //
32 // File name: G4BGGPionInelasticXS
33 //
34 // Author: Vladimir Ivanchenko
35 //
36 // Creation date: 01.10.2003
37 // Modifications:
38 //
39 //
40 // Class Description:
41 //
42 // Wrapper of pi+ and pi- inelastic cross-sections using Barashenkov
43 // parametersation below 100 GeV and Glauber-Gribov model above
44 //
45 // -------------------------------------------------------------------
46 //
47
48 #ifndef G4BGGPionInelasticXS_h
49 #define G4BGGPionInelasticXS_h
50
51 #include "globals.hh"
52 #include "G4VCrossSectionDataSet.hh"
53 #include "G4ParticleDefinition.hh"
54 #include "G4Element.hh"
55 #include "G4Threading.hh"
56
57 class G4ComponentGGHadronNucleusXsc;
58 class G4UPiNuclearCrossSection;
59 class G4HadronNucleonXsc;
60 class G4Pow;
61 class G4Material;
62 class G4Element;
63 class G4Isotope;
64
65 class G4BGGPionInelasticXS final : public G4VCrossSectionDataSet
66 {
67 public:
68
69 explicit G4BGGPionInelasticXS (const G4ParticleDefinition*);
70
71 ~G4BGGPionInelasticXS() final;
72
73 G4bool IsElementApplicable(const G4DynamicParticle*, G4int Z,
74 const G4Material* mat) final;
75
76 G4bool IsIsoApplicable(const G4DynamicParticle*, G4int Z, G4int A,
77 const G4Element* elm,
78 const G4Material* mat) final;
79
80 G4double GetElementCrossSection(const G4DynamicParticle*, G4int Z,
81 const G4Material* mat) final;
82
83 G4double GetIsoCrossSection(const G4DynamicParticle*, G4int Z, G4int A,
84 const G4Isotope* iso=nullptr,
85 const G4Element* elm=nullptr,
86 const G4Material* mat=nullptr) final;
87
88 void BuildPhysicsTable(const G4ParticleDefinition&) final;
89
90 void CrossSectionDescription(std::ostream&) const final;
91
92 G4BGGPionInelasticXS & operator=(const G4BGGPionInelasticXS &right) = delete;
93 G4BGGPionInelasticXS(const G4BGGPionInelasticXS&) = delete;
94
95 private:
96
97 void Initialise();
98
99 G4double CoulombFactorPiPlus(G4double kinEnergy, G4int Z);
100
101 G4double FactorPiMinus(G4double kinEnergy);
102
103 G4double fGlauberEnergy;
104 G4double fLowEnergy;
105 G4double fLowestEnergy;
106
107 static G4double theGlauberFacPiPlus[93];
108 static G4double theGlauberFacPiMinus[93];
109 static G4double theLowEPiPlus[93];
110 static G4double theLowEPiMinus[93];
111 static G4int theA[93];
112
113 const G4ParticleDefinition* theProton;
114 const G4ParticleDefinition* thePiPlus;
115
116 G4Pow* fG4pow;
117
118 G4ComponentGGHadronNucleusXsc* fGlauber;
119 G4UPiNuclearCrossSection* fPion;
120 G4HadronNucleonXsc* fHadron;
121 G4bool isPiplus;
122 };
123
124 #endif
125