| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // 28 //
29 // GEANT4 Class header file 29 // GEANT4 Class header file
30 // 30 //
31 // 31 //
32 // File name: G4GammaNuclearXS 32 // File name: G4GammaNuclearXS
33 // 33 //
34 // Authors V.Ivantchenko, Geant4, 20 October 34 // Authors V.Ivantchenko, Geant4, 20 October 2020
35 // B.Kutsenko, BINP/NSU, 10 August 20 35 // B.Kutsenko, BINP/NSU, 10 August 2021
36 // 36 //
37 // << 37 // Modification
>> 38
>> 39
38 // Class Description: 40 // Class Description:
39 // This is a base class for gamma-nuclear cros 41 // This is a base class for gamma-nuclear cross section based on
40 // data files from IAEA Evaluated Photonuclear 42 // data files from IAEA Evaluated Photonuclear Data Library (IAEA/PD-2019)
41 // https://www-nds.iaea.org/photonuclear/ 43 // https://www-nds.iaea.org/photonuclear/
42 // Database review: << 44 // Database review - https://www.sciencedirect.com/science/article/pii/S0090375219300699?via%3Dihub
43 // https://www.sciencedirect.com/science/artic << 45 // Class Description - End
44 // <<
45 46
46 #ifndef G4GammaNuclearXS_h 47 #ifndef G4GammaNuclearXS_h
47 #define G4GammaNuclearXS_h 1 48 #define G4GammaNuclearXS_h 1
48 49
49 #include "G4VCrossSectionDataSet.hh" 50 #include "G4VCrossSectionDataSet.hh"
50 #include "globals.hh" 51 #include "globals.hh"
>> 52 #include "G4ElementData.hh"
>> 53 #include "G4PhysicsVector.hh"
>> 54 #include "G4Threading.hh"
>> 55 #include "G4IsotopeList.hh"
51 #include <vector> 56 #include <vector>
52 57
53 class G4DynamicParticle; 58 class G4DynamicParticle;
54 class G4ParticleDefinition; 59 class G4ParticleDefinition;
55 class G4Element; 60 class G4Element;
56 class G4ElementData; << 61 class G4VComponentCrossSection;
57 class G4PhysicsVector; <<
58 class G4PhotoNuclearCrossSection; <<
59 62
60 class G4GammaNuclearXS final : public G4VCross 63 class G4GammaNuclearXS final : public G4VCrossSectionDataSet
61 { 64 {
62 public: 65 public:
63 66
64 G4GammaNuclearXS(); << 67 explicit G4GammaNuclearXS();
65 68
66 ~G4GammaNuclearXS() override = default; << 69 ~G4GammaNuclearXS() final;
67 70
68 static const char* Default_Name() { return " << 71 static const char* Default_Name() {return "GammaNuclearXS";}
69 72
70 G4bool IsElementApplicable(const G4DynamicPa 73 G4bool IsElementApplicable(const G4DynamicParticle*,
71 G4int Z, const G4Material*) final; 74 G4int Z, const G4Material*) final;
72 75
73 G4bool IsIsoApplicable(const G4DynamicPartic 76 G4bool IsIsoApplicable(const G4DynamicParticle*, G4int Z, G4int A,
74 const G4Element*, const G4Material* mat 77 const G4Element*, const G4Material* mat) final;
75 78
76 G4double GetElementCrossSection(const G4Dyna 79 G4double GetElementCrossSection(const G4DynamicParticle*,
77 G4int Z, 80 G4int Z,
78 const G4Mate 81 const G4Material* mat = nullptr) final;
79 82
80 G4double GetIsoCrossSection(const G4DynamicP 83 G4double GetIsoCrossSection(const G4DynamicParticle*, G4int Z, G4int A,
81 const G4Isotope* 84 const G4Isotope* iso = nullptr,
82 const G4Element* 85 const G4Element* elm = nullptr,
83 const G4Material 86 const G4Material* mat = nullptr) final;
84 87
85 const G4Isotope* SelectIsotope(const G4Eleme 88 const G4Isotope* SelectIsotope(const G4Element*,
86 G4double kinE 89 G4double kinEnergy, G4double logE) final;
87 90
88 void BuildPhysicsTable(const G4ParticleDefin 91 void BuildPhysicsTable(const G4ParticleDefinition&) final;
89 92
90 G4double IsoCrossSection(const G4double ekin << 93 G4double IsoCrossSection(G4double ekin, G4int Z, G4int A);
91 94
92 G4double ElementCrossSection(const G4double << 95 G4double ElementCrossSection(G4double ekin, G4int Z);
93 <<
94 G4double LowEnergyCrossSection(G4double ekin <<
95 96
96 void CrossSectionDescription(std::ostream&) 97 void CrossSectionDescription(std::ostream&) const final;
97 98
98 G4GammaNuclearXS & operator=(const G4GammaNu 99 G4GammaNuclearXS & operator=(const G4GammaNuclearXS &right) = delete;
99 G4GammaNuclearXS(const G4GammaNuclearXS&) = 100 G4GammaNuclearXS(const G4GammaNuclearXS&) = delete;
100 101
101 private: 102 private:
102 103
103 void Initialise(G4int Z); 104 void Initialise(G4int Z);
104 105
>> 106 void InitialiseOnFly(G4int Z);
>> 107
105 const G4String& FindDirectoryPath(); 108 const G4String& FindDirectoryPath();
106 109
107 G4PhysicsVector* RetrieveVector(std::ostring << 110 inline G4PhysicsVector* GetPhysicsVector(G4int Z);
>> 111
>> 112 G4PhysicsVector* RetrieveVector(std::ostringstream& in, G4bool isElement, G4int Z);
108 113
109 G4PhotoNuclearCrossSection* ggXsection = nul << 114 G4VCrossSectionDataSet* ggXsection = nullptr;
110 const G4ParticleDefinition* gamma; <<
111 115
112 // Cache << 116 std::vector<G4double> temp;
113 G4double fXS = 0.0; << 117 const G4ParticleDefinition* gamma;
114 G4double fEkin = 0.0; << 118
115 G4int fZ = 0; << 119 G4bool isMaster = false;
116 120
117 static const G4int MAXZGAMMAXS = 95; 121 static const G4int MAXZGAMMAXS = 95;
118 static const G4int MAXNFREE = 11; <<
119 static G4ElementData* data; 122 static G4ElementData* data;
>> 123 // Upper limit of the linear transition between IAEA database and CHIPS model
>> 124 static const G4int rTransitionBound = 150.*CLHEP::MeV;
120 // The list of elements with non-linear para 125 // The list of elements with non-linear parametrisation for better precision
121 static const G4int freeVectorException[MAXNF << 126 const G4int freeVectorException[11] = {4, 6, 7, 8, 27, 39, 45, 65, 67, 69, 73};
122 // CHIPS photonuclear model had a problem wi 127 // CHIPS photonuclear model had a problem with high energy parametrisation
123 // for isotopes of H and He, coefficient is 128 // for isotopes of H and He, coefficient is needed to connect isotope cross
124 // section with element cross-section on hig 129 // section with element cross-section on high energies.
125 static G4double coeff[3][3]; 130 static G4double coeff[3][3];
126 static G4double xs150[MAXZGAMMAXS]; 131 static G4double xs150[MAXZGAMMAXS];
127 static G4String gDataDirectory; 132 static G4String gDataDirectory;
128 << 133
129 std::vector<G4double> temp; << 134 #ifdef G4MULTITHREADED
>> 135 static G4Mutex gNuclearXSMutex;
>> 136 #endif
130 }; 137 };
>> 138
>> 139 inline
>> 140 G4PhysicsVector* G4GammaNuclearXS::GetPhysicsVector(G4int Z)
>> 141 {
>> 142 G4PhysicsVector* pv = data->GetElementData(Z);
>> 143 if(pv == nullptr) {
>> 144 InitialiseOnFly(Z);
>> 145 pv = data->GetElementData(Z);
>> 146 }
>> 147 return pv;
>> 148 }
131 149
132 #endif 150 #endif
133 151