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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 "G4DynamicParticle.hh" 36 #include "G4DynamicParticle.hh"
37 #include "G4ParticleDefinition.hh" 37 #include "G4ParticleDefinition.hh"
>> 38 #include "G4Neutron.hh"
>> 39 #include "G4Proton.hh"
38 #include "G4ComponentBarNucleonNucleusXsc.hh" 40 #include "G4ComponentBarNucleonNucleusXsc.hh"
39 41
40 ////////////////////////////////////////////// 42 ///////////////////////////////////////////////////////////////////////////////
41 43
42 G4NucleonNuclearCrossSection::G4NucleonNuclear 44 G4NucleonNuclearCrossSection::G4NucleonNuclearCrossSection()
43 : G4VCrossSectionDataSet(Default_Name()) << 45 : G4VCrossSectionDataSet(Default_Name()),
>> 46 fTotalXsc(0.0), fInelasticXsc(0.0), fElasticXsc(0.0)
44 { 47 {
>> 48 theNeutron = G4Neutron::Neutron();
>> 49 theProton = G4Proton::Proton();
45 fBarash = new G4ComponentBarNucleonNucleusXs 50 fBarash = new G4ComponentBarNucleonNucleusXsc();
46 } 51 }
47 52
>> 53 ///////////////////////////////////////////////////////////////////////////////
>> 54 //
>> 55
>> 56 G4NucleonNuclearCrossSection::~G4NucleonNuclearCrossSection()
>> 57 {}
>> 58
48 ////////////////////////////////////////////// 59 ////////////////////////////////////////////////////////////////////////////
49 60
50 G4bool G4NucleonNuclearCrossSection::IsElement 61 G4bool G4NucleonNuclearCrossSection::IsElementApplicable(
51 const G4DynamicParticle*, G4int Z, cons 62 const G4DynamicParticle*, G4int Z, const G4Material*)
52 { 63 {
53 return (Z > 1); 64 return (Z > 1);
54 } 65 }
55 66
56 ////////////////////////////////////////////// 67 ////////////////////////////////////////////////////////////////////////////
57 68
58 G4double G4NucleonNuclearCrossSection::GetElem 69 G4double G4NucleonNuclearCrossSection::GetElementCrossSection(
59 const G4DynamicParticle* dp, G4int Z, 70 const G4DynamicParticle* dp, G4int Z, const G4Material*)
60 { 71 {
61 ComputeCrossSections(dp->GetDefinition(), dp 72 ComputeCrossSections(dp->GetDefinition(), dp->GetKineticEnergy(), Z);
62 return fInelasticXsc; 73 return fInelasticXsc;
63 } 74 }
64 75
65 ////////////////////////////////////////////// 76 ////////////////////////////////////////////////////////////////////////////
66 77
67 void G4NucleonNuclearCrossSection::ComputeCros 78 void G4NucleonNuclearCrossSection::ComputeCrossSections(
68 const G4ParticleDefinition* pd, 79 const G4ParticleDefinition* pd,
69 G4double kinEnergy, G4int Z) 80 G4double kinEnergy, G4int Z)
70 { 81 {
71 fBarash->ComputeCrossSections(pd, kinEnergy, 82 fBarash->ComputeCrossSections(pd, kinEnergy, Z);
72 fTotalXsc = fBarash->GetTotalXsc(); 83 fTotalXsc = fBarash->GetTotalXsc();
73 fInelasticXsc = fBarash->GetInelasticXsc(); 84 fInelasticXsc = fBarash->GetInelasticXsc();
74 fElasticXsc = fBarash->GetElasticXsc(); 85 fElasticXsc = fBarash->GetElasticXsc();
>> 86 }
>> 87
>> 88 ////////////////////////////////////////////////////////////////////////////
>> 89
>> 90 void G4NucleonNuclearCrossSection::BuildPhysicsTable(const G4ParticleDefinition& part)
>> 91 {
>> 92 fBarash->BuildPhysicsTable(part);
75 } 93 }
76 94
77 ////////////////////////////////////////////// 95 ////////////////////////////////////////////////////////////////////////////
78 96
79 void 97 void
80 G4NucleonNuclearCrossSection::CrossSectionDesc 98 G4NucleonNuclearCrossSection::CrossSectionDescription(std::ostream& outFile) const
81 { 99 {
82 outFile << "G4NucleonNuclearCrossSection is 100 outFile << "G4NucleonNuclearCrossSection is a variant of the Barashenkov\n"
83 << "cross section parameterization t 101 << "cross section parameterization to be used of protons and\n"
84 << "nucleons on targets heavier than 102 << "nucleons on targets heavier than hydrogen. It is intended for\n"
85 << "use as a cross section component 103 << "use as a cross section component and is currently used by\n"
86 << "G4BGGNucleonInelasticXS. It is 104 << "G4BGGNucleonInelasticXS. It is valid for incident energies up\n"
87 << "to 1 TeV.\n"; 105 << "to 1 TeV.\n";
88 } 106 }
89 107
90 ////////////////////////////////////////////// 108 ////////////////////////////////////////////////////////////////////////////
91 109
92 110