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26 // ------------------------------------------- << 26 // $Id: G4VCrossSectionDataSet.cc,v 1.7 2006/12/29 02:05:48 dennis Exp $
27 // << 27 //
28 // GEANT4 Class file <<
29 // <<
30 // File name: G4VCrossSectionDataSet <<
31 // <<
32 // Author F.W. Jones, TRIUMF, 20-JAN-97 <<
33 // <<
34 // Modifications: <<
35 // 23.01.2009 V.Ivanchenko move constructor an <<
36 // 12.08.2011 G.Folger, V.Ivanchenko, T.Koi, D <<
37 // <<
38 28
39 #include "G4VCrossSectionDataSet.hh" 29 #include "G4VCrossSectionDataSet.hh"
40 #include "G4SystemOfUnits.hh" <<
41 #include "G4CrossSectionDataSetRegistry.hh" <<
42 #include "G4Material.hh" <<
43 #include "G4Element.hh" <<
44 #include "G4Isotope.hh" <<
45 #include "G4NistManager.hh" <<
46 #include "Randomize.hh" <<
47 #include "G4HadronicParameters.hh" <<
48 <<
49 G4VCrossSectionDataSet::G4VCrossSectionDataSet <<
50 name(nam), <<
51 maxKinEnergy(G4HadronicParameters::Instance( <<
52 { <<
53 registry = G4CrossSectionDataSetRegistry::In <<
54 registry->Register(this); <<
55 } <<
56 30
57 G4VCrossSectionDataSet::~G4VCrossSectionDataSe << 31 // Override this method to test for particle and isotope applicability
58 { <<
59 registry->DeRegister(this); <<
60 } <<
61 <<
62 G4bool <<
63 G4VCrossSectionDataSet::IsElementApplicable(co <<
64 G4int, <<
65 const G4Material*) <<
66 { <<
67 return false; <<
68 } <<
69 32
70 G4bool 33 G4bool
71 G4VCrossSectionDataSet::IsIsoApplicable(const << 34 G4VCrossSectionDataSet::IsZAApplicable(const G4DynamicParticle*,
72 G4int, << 35 G4double /*ZZ*/, G4double /*AA*/)
73 const <<
74 const <<
75 { 36 {
76 return false; << 37 return true;
77 } 38 }
78 39
79 G4double <<
80 G4VCrossSectionDataSet::ComputeCrossSection(co <<
81 co <<
82 co <<
83 { <<
84 G4int Z = elm->GetZasInt(); <<
85 <<
86 if (IsElementApplicable(part, Z, mat)) { <<
87 return GetElementCrossSection(part, Z, mat <<
88 } <<
89 <<
90 // isotope-wise cross section making sum ove <<
91 // isotope cross sections, which may be inco <<
92 // the result is corrected <<
93 std::size_t nIso = elm->GetNumberOfIsotopes( <<
94 G4double fact = 0.0; <<
95 G4double xsec = 0.0; <<
96 <<
97 // user-defined isotope abundances <<
98 const G4IsotopeVector* isoVector = elm->GetI <<
99 const G4double* abundVector = elm->GetRelati <<
100 for (std::size_t j=0; j<nIso; ++j) { <<
101 const G4Isotope* iso = (*isoVector)[j]; <<
102 G4int A = iso->GetN(); <<
103 if(abundVector[j] > 0.0 && IsIsoApplicable <<
104 fact += abundVector[j]; <<
105 xsec += abundVector[j]*GetIsoCrossSectio <<
106 } <<
107 } <<
108 return (fact > 0.0) ? xsec/fact : 0.0; <<
109 } <<
110 <<
111 G4double <<
112 G4VCrossSectionDataSet::ComputeCrossSectionPer <<
113 G4double kinEnergy, G4 <<
114 const G4ParticleDefini <<
115 const G4Element* elm, <<
116 { <<
117 G4int Z = elm->GetZasInt(); <<
118 std::size_t nIso = elm->GetNumberOfIsotopes( <<
119 G4double xsec = 0.0; <<
120 const G4IsotopeVector* isoVector = elm->GetI <<
121 const G4double* abundVector = elm->GetRelati <<
122 for (std::size_t j=0; j<nIso; ++j) { <<
123 const G4Isotope* iso = (*isoVector)[j]; <<
124 G4int A = iso->GetN(); <<
125 xsec += abundVector[j]* <<
126 ComputeIsoCrossSection(kinEnergy, loge, <<
127 } <<
128 return xsec; <<
129 } <<
130 40
131 G4double 41 G4double
132 G4VCrossSectionDataSet::GetElementCrossSection << 42 G4VCrossSectionDataSet::GetIsoCrossSection(const G4DynamicParticle* aParticle,
133 G4int Z, << 43 const G4Isotope* anIsotope,
134 const G4Material* mat) << 44 G4double aTemperature)
135 { 45 {
136 G4ExceptionDescription ed; << 46 G4double ZZ = anIsotope->GetZ();
137 ed << "GetElementCrossSection is not impleme << 47 G4double AA = anIsotope->GetN();
138 << "Particle: " << dynPart->GetDefinition << 48 return GetIsoZACrossSection(aParticle, ZZ, AA, aTemperature);
139 << " Ekin(MeV)= " << dynPart->GetKineti <<
140 if(nullptr != mat) { ed << " material: " << <<
141 ed << " target Z= " << Z << G4endl; <<
142 G4Exception("G4VCrossSectionDataSet::GetElem <<
143 FatalException, ed); <<
144 return 0.0; <<
145 } 49 }
146 50
147 G4double << 51 // Override this method to get real isotopic cross sections
148 G4VCrossSectionDataSet::GetIsoCrossSection(con <<
149 G4int Z, G4int A, <<
150 const G4Isotope*, <<
151 const G4Element* elm, <<
152 const G4Material* mat) <<
153 { <<
154 G4ExceptionDescription ed; <<
155 ed << "GetIsoCrossSection is not implemented <<
156 << "Particle: " << dynPart->GetDefinition <<
157 << " Ekin(MeV)= " << dynPart->GetKineti <<
158 if(nullptr != mat) { ed << " material: " << <<
159 if(nullptr != elm) { ed << " element: " << e <<
160 ed << " target Z= " << Z << " A= " << A << G <<
161 G4Exception("G4VCrossSectionDataSet::GetIsoC <<
162 FatalException, ed); <<
163 return 0.0; <<
164 } <<
165 52
166 G4double 53 G4double
167 G4VCrossSectionDataSet::ComputeIsoCrossSection << 54 G4VCrossSectionDataSet::GetIsoZACrossSection(const G4DynamicParticle*,
168 const G4ParticleDefinition* p << 55 G4double /*ZZ*/, G4double AA,
169 G4int Z, G4int A, << 56 G4double /*aTemperature*/)
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; <<
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 } <<
208 <<
209 void G4VCrossSectionDataSet::BuildPhysicsTable <<
210 {} <<
211 <<
212 void G4VCrossSectionDataSet::DumpPhysicsTable( <<
213 {} <<
214 <<
215 void G4VCrossSectionDataSet::CrossSectionDescr <<
216 { 57 {
217 outFile << "The description for this cross s << 58 return 62*std::pow(AA, 2./3.)*millibarn;
218 } 59 }
219 60