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25 // 25 //
>> 26 // $Id: G4VCrossSectionDataSet.cc,v 1.12 2011-01-09 02:37:48 dennis Exp $
>> 27 // GEANT4 tag $Name: not supported by cvs2svn $
>> 28 //
26 // ------------------------------------------- 29 // -------------------------------------------------------------------
27 // 30 //
28 // GEANT4 Class file 31 // GEANT4 Class file
29 // 32 //
>> 33 //
30 // File name: G4VCrossSectionDataSet 34 // File name: G4VCrossSectionDataSet
31 // 35 //
32 // Author F.W. Jones, TRIUMF, 20-JAN-97 36 // Author F.W. Jones, TRIUMF, 20-JAN-97
33 // 37 //
34 // Modifications: 38 // Modifications:
35 // 23.01.2009 V.Ivanchenko move constructor an 39 // 23.01.2009 V.Ivanchenko move constructor and destructor to source
36 // 12.08.2011 G.Folger, V.Ivanchenko, T.Koi, D 40 // 12.08.2011 G.Folger, V.Ivanchenko, T.Koi, D.Wright redesign the class
37 // 41 //
38 42
39 #include "G4VCrossSectionDataSet.hh" 43 #include "G4VCrossSectionDataSet.hh"
40 #include "G4SystemOfUnits.hh" <<
41 #include "G4CrossSectionDataSetRegistry.hh" 44 #include "G4CrossSectionDataSetRegistry.hh"
>> 45 #include "G4DynamicParticle.hh"
42 #include "G4Material.hh" 46 #include "G4Material.hh"
43 #include "G4Element.hh" 47 #include "G4Element.hh"
44 #include "G4Isotope.hh" 48 #include "G4Isotope.hh"
45 #include "G4NistManager.hh" 49 #include "G4NistManager.hh"
46 #include "Randomize.hh" << 50 #include "G4HadronicException.hh"
47 #include "G4HadronicParameters.hh" << 51 #include "G4HadTmpUtil.hh"
>> 52
48 53
49 G4VCrossSectionDataSet::G4VCrossSectionDataSet 54 G4VCrossSectionDataSet::G4VCrossSectionDataSet(const G4String& nam) :
50 name(nam), << 55 verboseLevel(0),minKinEnergy(0.0),maxKinEnergy(100*TeV),name(nam)
51 maxKinEnergy(G4HadronicParameters::Instance( <<
52 { 56 {
53 registry = G4CrossSectionDataSetRegistry::In << 57 G4CrossSectionDataSetRegistry::Instance()->Register(this);
54 registry->Register(this); <<
55 } 58 }
56 59
57 G4VCrossSectionDataSet::~G4VCrossSectionDataSe 60 G4VCrossSectionDataSet::~G4VCrossSectionDataSet()
58 { 61 {
59 registry->DeRegister(this); << 62 G4CrossSectionDataSetRegistry::Instance()->DeRegister(this);
60 } 63 }
61 64
62 G4bool 65 G4bool
63 G4VCrossSectionDataSet::IsElementApplicable(co 66 G4VCrossSectionDataSet::IsElementApplicable(const G4DynamicParticle*,
64 G4int, 67 G4int,
65 const G4Material*) 68 const G4Material*)
66 { 69 {
67 return false; 70 return false;
68 } 71 }
69 72
70 G4bool 73 G4bool
71 G4VCrossSectionDataSet::IsIsoApplicable(const 74 G4VCrossSectionDataSet::IsIsoApplicable(const G4DynamicParticle*,
72 G4int, 75 G4int, G4int,
73 const 76 const G4Element*,
74 const 77 const G4Material*)
75 { 78 {
76 return false; 79 return false;
77 } 80 }
78 81
79 G4double 82 G4double
80 G4VCrossSectionDataSet::ComputeCrossSection(co 83 G4VCrossSectionDataSet::ComputeCrossSection(const G4DynamicParticle* part,
81 co << 84 const G4Element* elm,
82 co << 85 const G4Material* mat)
83 { 86 {
84 G4int Z = elm->GetZasInt(); << 87 G4int Z = G4lrint(elm->GetZ());
85 88
86 if (IsElementApplicable(part, Z, mat)) { 89 if (IsElementApplicable(part, Z, mat)) {
87 return GetElementCrossSection(part, Z, mat 90 return GetElementCrossSection(part, Z, mat);
88 } 91 }
89 92
90 // isotope-wise cross section making sum ove 93 // isotope-wise cross section making sum over available
91 // isotope cross sections, which may be inco 94 // isotope cross sections, which may be incomplete, so
92 // the result is corrected 95 // the result is corrected
93 std::size_t nIso = elm->GetNumberOfIsotopes( << 96 G4int nIso = elm->GetNumberOfIsotopes();
94 G4double fact = 0.0; 97 G4double fact = 0.0;
95 G4double xsec = 0.0; 98 G4double xsec = 0.0;
>> 99 G4Isotope* iso = 0;
96 100
97 // user-defined isotope abundances << 101 if (0 < nIso) {
98 const G4IsotopeVector* isoVector = elm->GetI << 102
99 const G4double* abundVector = elm->GetRelati << 103 // user-defined isotope abundances
100 for (std::size_t j=0; j<nIso; ++j) { << 104 G4IsotopeVector* isoVector = elm->GetIsotopeVector();
101 const G4Isotope* iso = (*isoVector)[j]; << 105 G4double* abundVector = elm->GetRelativeAbundanceVector();
102 G4int A = iso->GetN(); << 106
103 if(abundVector[j] > 0.0 && IsIsoApplicable << 107 for (G4int j = 0; j<nIso; ++j) {
104 fact += abundVector[j]; << 108 iso = (*isoVector)[j];
105 xsec += abundVector[j]*GetIsoCrossSectio << 109 G4int A = iso->GetN();
>> 110 if(abundVector[j] > 0.0 && IsIsoApplicable(part, Z, A, elm, mat)) {
>> 111 fact += abundVector[j];
>> 112 xsec += abundVector[j]*GetIsoCrossSection(part, Z, A, iso, elm, mat);
>> 113 }
106 } 114 }
107 } <<
108 return (fact > 0.0) ? xsec/fact : 0.0; <<
109 } <<
110 115
111 G4double << 116 } else {
112 G4VCrossSectionDataSet::ComputeCrossSectionPer << 117
113 G4double kinEnergy, G4 << 118 // natural isotope abundances
114 const G4ParticleDefini << 119 G4NistManager* nist = G4NistManager::Instance();
115 const G4Element* elm, << 120 G4int n0 = nist->GetNistFirstIsotopeN(Z);
116 { << 121 G4int nn = nist->GetNumberOfNistIsotopes(Z);
117 G4int Z = elm->GetZasInt(); << 122 for (G4int A = n0; A < n0+nn; ++A) {
118 std::size_t nIso = elm->GetNumberOfIsotopes( << 123 G4double abund = nist->GetIsotopeAbundance(Z, A);
119 G4double xsec = 0.0; << 124 if(abund > 0.0 && IsIsoApplicable(part, Z, A, elm, mat)) {
120 const G4IsotopeVector* isoVector = elm->GetI << 125 fact += abund;
121 const G4double* abundVector = elm->GetRelati << 126 xsec += abund*GetIsoCrossSection(part, Z, A, iso, elm, mat);
122 for (std::size_t j=0; j<nIso; ++j) { << 127 }
123 const G4Isotope* iso = (*isoVector)[j]; << 128 }
124 G4int A = iso->GetN(); <<
125 xsec += abundVector[j]* <<
126 ComputeIsoCrossSection(kinEnergy, loge, <<
127 } 129 }
>> 130 if(fact > 0.0) { xsec /= fact; }
128 return xsec; 131 return xsec;
129 } 132 }
130 133
131 G4double 134 G4double
132 G4VCrossSectionDataSet::GetElementCrossSection 135 G4VCrossSectionDataSet::GetElementCrossSection(const G4DynamicParticle* dynPart,
133 G4int Z, 136 G4int Z,
134 const G4Material* mat) 137 const G4Material* mat)
135 { 138 {
136 G4ExceptionDescription ed; << 139 G4cout << "G4VCrossSectionDataSet::GetCrossSection per element ERROR: "
137 ed << "GetElementCrossSection is not impleme << 140 << " there is no cross section for "
138 << "Particle: " << dynPart->GetDefinition << 141 << dynPart->GetDefinition()->GetParticleName()
139 << " Ekin(MeV)= " << dynPart->GetKineti << 142 << " E(MeV)= " << dynPart->GetKineticEnergy()/MeV;
140 if(nullptr != mat) { ed << " material: " << << 143 if(mat) { G4cout << " inside " << mat->GetName(); }
141 ed << " target Z= " << Z << G4endl; << 144 G4cout << " for Z= " << Z << G4endl;
142 G4Exception("G4VCrossSectionDataSet::GetElem << 145 throw G4HadronicException(__FILE__, __LINE__,
143 FatalException, ed); << 146 "G4VCrossSectionDataSet::GetElementCrossSection is absent");
144 return 0.0; 147 return 0.0;
145 } 148 }
146 149
147 G4double 150 G4double
148 G4VCrossSectionDataSet::GetIsoCrossSection(con 151 G4VCrossSectionDataSet::GetIsoCrossSection(const G4DynamicParticle* dynPart,
149 G4int Z, G4int A, 152 G4int Z, G4int A,
150 const G4Isotope*, 153 const G4Isotope*,
151 const G4Element* elm, 154 const G4Element* elm,
152 const G4Material* mat) 155 const G4Material* mat)
153 { 156 {
154 G4ExceptionDescription ed; << 157 G4cout << "G4VCrossSectionDataSet::GetCrossSection per isotope ERROR: "
155 ed << "GetIsoCrossSection is not implemented << 158 << " there is no cross section for "
156 << "Particle: " << dynPart->GetDefinition << 159 << dynPart->GetDefinition()->GetParticleName()
157 << " Ekin(MeV)= " << dynPart->GetKineti << 160 << " E(MeV)= " << dynPart->GetKineticEnergy()/MeV;
158 if(nullptr != mat) { ed << " material: " << << 161 if(mat) { G4cout << " inside " << mat->GetName(); }
159 if(nullptr != elm) { ed << " element: " << e << 162 if(elm) { G4cout << " for " << elm->GetName(); }
160 ed << " target Z= " << Z << " A= " << A << G << 163 G4cout << " Z= " << Z << " A= " << A << G4endl;
161 G4Exception("G4VCrossSectionDataSet::GetIsoC << 164 throw G4HadronicException(__FILE__, __LINE__,
162 FatalException, ed); << 165 "G4VCrossSectionDataSet::GetIsoCrossSection is absent");
163 return 0.0; <<
164 } <<
165 <<
166 G4double <<
167 G4VCrossSectionDataSet::ComputeIsoCrossSection <<
168 const G4ParticleDefinition* p <<
169 G4int Z, G4int A, <<
170 const G4Isotope*, <<
171 const G4Element* elm, <<
172 const G4Material* mat) <<
173 { <<
174 G4ExceptionDescription ed; <<
175 ed << "GetIsoCrossSection is not implemented <<
176 << "Particle: " << pd->GetParticleName() <<
177 << " Ekin(MeV)= " << kinEnergy/CLHEP::M <<
178 if(nullptr != mat) { ed << " material: " << <<
179 if(nullptr != elm) { ed << " element: " << e <<
180 ed << " target Z= " << Z << " A= " << A << G <<
181 G4Exception("G4VCrossSectionDataSet::GetIsoC <<
182 FatalException, ed); <<
183 return 0.0; 166 return 0.0;
184 } <<
185 <<
186 const G4Isotope* <<
187 G4VCrossSectionDataSet::SelectIsotope(const G4 <<
188 G4double <<
189 { <<
190 G4int nIso = (G4int)anElement->GetNumberOfIs <<
191 const G4Isotope* iso = anElement->GetIsotope <<
192 <<
193 // more than 1 isotope <<
194 if(1 < nIso) { <<
195 const G4double* abundVector = anElement->G <<
196 G4double sum = 0.0; <<
197 G4double q = G4UniformRand(); <<
198 for (G4int j=0; j<nIso; ++j) { <<
199 sum += abundVector[j]; <<
200 if(q <= sum) { <<
201 iso = anElement->GetIsotope(j); <<
202 break; <<
203 } <<
204 } <<
205 } <<
206 return iso; <<
207 } 167 }
208 168
209 void G4VCrossSectionDataSet::BuildPhysicsTable 169 void G4VCrossSectionDataSet::BuildPhysicsTable(const G4ParticleDefinition&)
210 {} 170 {}
211 171
212 void G4VCrossSectionDataSet::DumpPhysicsTable( 172 void G4VCrossSectionDataSet::DumpPhysicsTable(const G4ParticleDefinition&)
213 {} 173 {}
214 174
215 void G4VCrossSectionDataSet::CrossSectionDescr 175 void G4VCrossSectionDataSet::CrossSectionDescription(std::ostream& outFile) const
216 { 176 {
217 outFile << "The description for this cross s 177 outFile << "The description for this cross section data set has not been written yet.\n";
218 } 178 }
219 179