| 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 // author: Vladimir.Grichine@cern.ch 26 // author: Vladimir.Grichine@cern.ch
27 // 27 //
28 // Implements data from: Barashenkov V.S., Nuc 28 // Implements data from: Barashenkov V.S., Nucleon-Nucleus Cross Section,
29 // Preprint JINR P2-89-770, p. 12, Dubna 1989 29 // Preprint JINR P2-89-770, p. 12, Dubna 1989 (scanned version from KEK)
30 // Based on G. Folger version of G4PiNuclearCr 30 // Based on G. Folger version of G4PiNuclearCrossSection class
31 // 31 //
32 // Modified: 16.08.2018 V.Ivanchenko - major u 32 // Modified: 16.08.2018 V.Ivanchenko - major update
33 // 33 //
34 34
35 #include "G4NucleonNuclearCrossSection.hh" 35 #include "G4NucleonNuclearCrossSection.hh"
>> 36 #include "G4SystemOfUnits.hh"
36 #include "G4DynamicParticle.hh" 37 #include "G4DynamicParticle.hh"
37 #include "G4ParticleDefinition.hh" << 38 #include "G4Neutron.hh"
>> 39 #include "G4Proton.hh"
38 #include "G4ComponentBarNucleonNucleusXsc.hh" 40 #include "G4ComponentBarNucleonNucleusXsc.hh"
39 41
>> 42 // factory
>> 43 #include "G4CrossSectionFactory.hh"
>> 44 //
>> 45 G4_DECLARE_XS_FACTORY(G4NucleonNuclearCrossSection);
>> 46
>> 47
>> 48 using namespace std;
>> 49
40 ////////////////////////////////////////////// 50 ///////////////////////////////////////////////////////////////////////////////
41 51
42 G4NucleonNuclearCrossSection::G4NucleonNuclear 52 G4NucleonNuclearCrossSection::G4NucleonNuclearCrossSection()
43 : G4VCrossSectionDataSet(Default_Name()) << 53 : G4VCrossSectionDataSet(Default_Name()),
>> 54 fTotalXsc(0.0), fInelasticXsc(0.0), fElasticXsc(0.0)
44 { 55 {
>> 56 theNeutron = G4Neutron::Neutron();
>> 57 theProton = G4Proton::Proton();
45 fBarash = new G4ComponentBarNucleonNucleusXs 58 fBarash = new G4ComponentBarNucleonNucleusXsc();
46 } 59 }
47 60
>> 61 ///////////////////////////////////////////////////////////////////////////////
>> 62 //
>> 63
>> 64 G4NucleonNuclearCrossSection::~G4NucleonNuclearCrossSection()
>> 65 {}
>> 66
48 ////////////////////////////////////////////// 67 ////////////////////////////////////////////////////////////////////////////
>> 68 //
49 69
50 G4bool G4NucleonNuclearCrossSection::IsElement 70 G4bool G4NucleonNuclearCrossSection::IsElementApplicable(
51 const G4DynamicParticle*, G4int Z, cons 71 const G4DynamicParticle*, G4int Z, const G4Material*)
52 { 72 {
53 return (Z > 1); 73 return (Z > 1);
54 } 74 }
55 75
56 ////////////////////////////////////////////// 76 ////////////////////////////////////////////////////////////////////////////
>> 77 //
57 78
58 G4double G4NucleonNuclearCrossSection::GetElem 79 G4double G4NucleonNuclearCrossSection::GetElementCrossSection(
59 const G4DynamicParticle* dp, G4int Z, 80 const G4DynamicParticle* dp, G4int Z, const G4Material*)
60 { 81 {
61 ComputeCrossSections(dp->GetDefinition(), dp 82 ComputeCrossSections(dp->GetDefinition(), dp->GetKineticEnergy(), Z);
62 return fInelasticXsc; 83 return fInelasticXsc;
63 } 84 }
64 85
65 ////////////////////////////////////////////// 86 ////////////////////////////////////////////////////////////////////////////
>> 87 //
66 88
67 void G4NucleonNuclearCrossSection::ComputeCros 89 void G4NucleonNuclearCrossSection::ComputeCrossSections(
68 const G4ParticleDefinition* pd, 90 const G4ParticleDefinition* pd,
69 G4double kinEnergy, G4int Z) 91 G4double kinEnergy, G4int Z)
70 { 92 {
71 fBarash->ComputeCrossSections(pd, kinEnergy, 93 fBarash->ComputeCrossSections(pd, kinEnergy, Z);
72 fTotalXsc = fBarash->GetTotalXsc(); 94 fTotalXsc = fBarash->GetTotalXsc();
73 fInelasticXsc = fBarash->GetInelasticXsc(); 95 fInelasticXsc = fBarash->GetInelasticXsc();
74 fElasticXsc = fBarash->GetElasticXsc(); 96 fElasticXsc = fBarash->GetElasticXsc();
75 } 97 }
76 98
>> 99
77 ////////////////////////////////////////////// 100 ////////////////////////////////////////////////////////////////////////////
>> 101 //
78 102
79 void 103 void
80 G4NucleonNuclearCrossSection::CrossSectionDesc 104 G4NucleonNuclearCrossSection::CrossSectionDescription(std::ostream& outFile) const
81 { 105 {
82 outFile << "G4NucleonNuclearCrossSection is 106 outFile << "G4NucleonNuclearCrossSection is a variant of the Barashenkov\n"
83 << "cross section parameterization t 107 << "cross section parameterization to be used of protons and\n"
84 << "nucleons on targets heavier than 108 << "nucleons on targets heavier than hydrogen. It is intended for\n"
85 << "use as a cross section component 109 << "use as a cross section component and is currently used by\n"
86 << "G4BGGNucleonInelasticXS. It is 110 << "G4BGGNucleonInelasticXS. It is valid for incident energies up\n"
87 << "to 1 TeV.\n"; 111 << "to 1 TeV.\n";
88 } 112 }
89 <<
90 ////////////////////////////////////////////// <<
91 113
92 114