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>> 26 // $Id: G4CrossSectionElastic.cc,v 1.2 2010-11-19 11:12:11 vnivanch Exp $
>> 27 // GEANT4 tag $Name: not supported by cvs2svn $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class file 31 // GEANT4 Class file
30 // 32 //
31 // 33 //
32 // File name: G4CrossSectionElastic 34 // File name: G4CrossSectionElastic
33 // 35 //
34 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko
35 // 37 //
36 // Creation date: 19.11.2010 38 // Creation date: 19.11.2010
37 // Modifications: 39 // Modifications:
38 // 40 //
39 // Class Description: 41 // Class Description:
40 // 42 //
41 // Wrapper for elastic cross section build fro 43 // Wrapper for elastic cross section build from a component
42 // 44 //
43 // ------------------------------------------- 45 // -------------------------------------------------------------------
44 // 46 //
45 47
46 #include "G4CrossSectionElastic.hh" 48 #include "G4CrossSectionElastic.hh"
47 #include "G4VComponentCrossSection.hh" 49 #include "G4VComponentCrossSection.hh"
48 #include "G4ParticleDefinition.hh" 50 #include "G4ParticleDefinition.hh"
49 #include "G4DynamicParticle.hh" <<
50 #include "G4Element.hh" <<
51 #include "G4NistManager.hh" <<
52 #include "G4HadronicParameters.hh" <<
53 51
54 G4CrossSectionElastic::G4CrossSectionElastic(G << 52 G4CrossSectionElastic::G4CrossSectionElastic(const G4ParticleDefinition* p,
>> 53 G4VComponentCrossSection* c,
55 G4int zmin, G4int zmax, 54 G4int zmin, G4int zmax,
56 G4double Emin, G4double Emax) 55 G4double Emin, G4double Emax)
57 : G4VCrossSectionDataSet(c->GetName()), comp << 56 : G4VCrossSectionDataSet(c->GetName()),particle(p), component(c),
58 Zmin(zmin),Zmax(zmax) 57 Zmin(zmin),Zmax(zmax)
59 { 58 {
60 nist = G4NistManager::Instance(); <<
61 SetMinKinEnergy(Emin); 59 SetMinKinEnergy(Emin);
62 SetMaxKinEnergy(Emax); 60 SetMaxKinEnergy(Emax);
63 } 61 }
64 62
65 G4CrossSectionElastic::~G4CrossSectionElastic( 63 G4CrossSectionElastic::~G4CrossSectionElastic()
66 {} <<
67 <<
68 G4bool G4CrossSectionElastic::IsElementApplica <<
69 G4int Z, const G4Material*) <<
70 { 64 {
71 G4double e = p->GetKineticEnergy(); << 65 delete component;
72 return <<
73 (Z >= Zmin && Z <= Zmax && e >= GetMinKinE <<
74 } 66 }
75 << 67
76 G4double << 68 G4bool G4CrossSectionElastic::IsApplicable(const G4DynamicParticle* p,
77 G4CrossSectionElastic::GetElementCrossSection( << 69 const G4Element* elm)
78 G4int Z, <<
79 const G4Material*) <<
80 { 70 {
81 return component->GetElasticElementCrossSect << 71 return IsIsoApplicable(p, G4int(elm->GetZ()), 0);
82 p->GetKineticEnergy(), <<
83 Z, nist->GetAtomicMassAmu(Z)); <<
84 } 72 }
85 73
86 void G4CrossSectionElastic::BuildPhysicsTable( << 74 G4bool
>> 75 G4CrossSectionElastic::IsIsoApplicable(const G4DynamicParticle* p,
>> 76 G4int Z, G4int)
87 { 77 {
88 component->BuildPhysicsTable(p); << 78 G4double e = p->GetKineticEnergy();
89 // For ions, the max energy of applicability << 79 return
90 // with the absolute baryonic number; howeve << 80 (Z >= Zmin && Z <= Zmax && e >= GetMinKinEnergy() && e <= GetMaxKinEnergy());
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 } 81 }
98 82
99 void G4CrossSectionElastic::DumpPhysicsTable(c << 83
>> 84 G4double
>> 85 G4CrossSectionElastic::GetCrossSection(const G4DynamicParticle* p,
>> 86 const G4Element* elm, G4double)
100 { 87 {
101 component->DumpPhysicsTable(p); << 88 return component->GetElasticCrossSection(p->GetDefinition(),
>> 89 p->GetKineticEnergy(), elm);
102 } 90 }
103 91
104 void G4CrossSectionElastic::CrossSectionDescri << 92 G4double
>> 93 G4CrossSectionElastic::GetZandACrossSection(const G4DynamicParticle* p, G4int Z,
>> 94 G4int A, G4double)
105 { 95 {
106 component->Description(outFile); << 96 return component->GetElasticZandACrossSection(p->GetDefinition(),
>> 97 p->GetKineticEnergy(),
>> 98 Z, A);
107 } 99 }
108 <<
109 <<
110 100