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>> 26 // $Id: G4CrossSectionElastic.cc 66241 2012-12-13 18:34:42Z gunter $
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class file 30 // GEANT4 Class file
30 // 31 //
31 // 32 //
32 // File name: G4CrossSectionElastic 33 // File name: G4CrossSectionElastic
33 // 34 //
34 // Author: Vladimir Ivanchenko 35 // Author: Vladimir Ivanchenko
35 // 36 //
36 // Creation date: 19.11.2010 37 // Creation date: 19.11.2010
37 // Modifications: 38 // Modifications:
38 // 39 //
39 // Class Description: 40 // Class Description:
40 // 41 //
41 // Wrapper for elastic cross section build fro 42 // Wrapper for elastic cross section build from a component
42 // 43 //
43 // ------------------------------------------- 44 // -------------------------------------------------------------------
44 // 45 //
45 46
46 #include "G4CrossSectionElastic.hh" 47 #include "G4CrossSectionElastic.hh"
47 #include "G4VComponentCrossSection.hh" 48 #include "G4VComponentCrossSection.hh"
48 #include "G4ParticleDefinition.hh" 49 #include "G4ParticleDefinition.hh"
49 #include "G4DynamicParticle.hh" 50 #include "G4DynamicParticle.hh"
50 #include "G4Element.hh" 51 #include "G4Element.hh"
51 #include "G4NistManager.hh" 52 #include "G4NistManager.hh"
52 #include "G4HadronicParameters.hh" <<
53 53
54 G4CrossSectionElastic::G4CrossSectionElastic(G 54 G4CrossSectionElastic::G4CrossSectionElastic(G4VComponentCrossSection* c,
55 G4int zmin, G4int zmax, 55 G4int zmin, G4int zmax,
56 G4double Emin, G4double Emax) 56 G4double Emin, G4double Emax)
57 : G4VCrossSectionDataSet(c->GetName()), comp 57 : G4VCrossSectionDataSet(c->GetName()), component(c),
58 Zmin(zmin),Zmax(zmax) 58 Zmin(zmin),Zmax(zmax)
59 { 59 {
60 nist = G4NistManager::Instance(); 60 nist = G4NistManager::Instance();
61 SetMinKinEnergy(Emin); 61 SetMinKinEnergy(Emin);
62 SetMaxKinEnergy(Emax); 62 SetMaxKinEnergy(Emax);
63 } 63 }
64 64
65 G4CrossSectionElastic::~G4CrossSectionElastic( 65 G4CrossSectionElastic::~G4CrossSectionElastic()
66 {} 66 {}
67 67
68 G4bool G4CrossSectionElastic::IsElementApplica 68 G4bool G4CrossSectionElastic::IsElementApplicable(const G4DynamicParticle* p,
69 G4int Z, const G4Material*) 69 G4int Z, const G4Material*)
70 { 70 {
71 G4double e = p->GetKineticEnergy(); 71 G4double e = p->GetKineticEnergy();
72 return 72 return
73 (Z >= Zmin && Z <= Zmax && e >= GetMinKinE 73 (Z >= Zmin && Z <= Zmax && e >= GetMinKinEnergy() && e <= GetMaxKinEnergy());
74 } 74 }
75 75
76 G4double 76 G4double
77 G4CrossSectionElastic::GetElementCrossSection( 77 G4CrossSectionElastic::GetElementCrossSection(const G4DynamicParticle* p,
78 G4int Z, 78 G4int Z,
79 const G4Material*) 79 const G4Material*)
80 { 80 {
81 return component->GetElasticElementCrossSect 81 return component->GetElasticElementCrossSection(p->GetDefinition(),
82 p->GetKineticEnergy(), 82 p->GetKineticEnergy(),
83 Z, nist->GetAtomicMassAmu(Z)); 83 Z, nist->GetAtomicMassAmu(Z));
84 } 84 }
85 85
86 void G4CrossSectionElastic::BuildPhysicsTable( 86 void G4CrossSectionElastic::BuildPhysicsTable(const G4ParticleDefinition& p)
87 { 87 {
88 component->BuildPhysicsTable(p); 88 component->BuildPhysicsTable(p);
89 // For ions, the max energy of applicability <<
90 // with the absolute baryonic number; howeve <<
91 // often shared between the different types <<
92 // genericIon) therefore we scale by Zmax - <<
93 // number of nucleons of the heaviest nuclid <<
94 G4int fact = (std::abs(p.GetBaryonNumber()) <<
95 p.GetParticleName() == "GenericIon") ? Zma <<
96 SetMaxKinEnergy(G4HadronicParameters::Instan <<
97 } 89 }
98 90
99 void G4CrossSectionElastic::DumpPhysicsTable(c 91 void G4CrossSectionElastic::DumpPhysicsTable(const G4ParticleDefinition& p)
100 { 92 {
101 component->DumpPhysicsTable(p); 93 component->DumpPhysicsTable(p);
102 } 94 }
103 95
104 void G4CrossSectionElastic::CrossSectionDescri << 96 void G4CrossSectionElastic::CrossSectionDescription(std::ostream& /*outFile*/) const
105 { 97 {
106 component->Description(outFile); << 98 component->Description();
107 } 99 }
108 100
109 101
110 102