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25 // 22 //
>> 23 // $Id: G4eIonisationCrossSectionHandler.cc,v 1.6 2001/11/29 19:01:37 vnivanch Exp $
>> 24 // GEANT4 tag $Name: geant4-04-00 $
26 // 25 //
27 // ------------------------------------------- 26 // -------------------------------------------------------------------
28 // 27 //
29 // GEANT4 Class file 28 // GEANT4 Class file
30 // 29 //
31 // 30 //
32 // File name: G4eIonisationCrossSectionHan 31 // File name: G4eIonisationCrossSectionHandler
33 // 32 //
34 // Author: V.Ivanchenko (Vladimir.Ivanc 33 // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch)
35 // 34 //
36 // Creation date: 25 Sept 2001 35 // Creation date: 25 Sept 2001
37 // 36 //
38 // Modifications: 37 // Modifications:
39 // 10 Oct 2001 M.G. Pia Revision to impro << 38 // 10 Oct 2001 M.G. Pia Revision to improve code quality and consistency with design
40 // 19 Jul 2002 VI Create composite <<
41 // 21 Jan 2003 V.Ivanchenko Cut per region <<
42 // 28 Jan 2009 L.Pandola Added public meth <<
43 // G4LowEnergyIonisa <<
44 // 15 Jul 2009 Nicolas A. Karakatsanis <<
45 // <<
46 // - BuildCrossSecti <<
47 // logarithmic val <<
48 // It retrieves th <<
49 // respective log <<
50 // The EM data set <<
51 // These initializ <<
52 // operations <<
53 // <<
54 // <<
55 // 39 //
56 // ------------------------------------------- 40 // -------------------------------------------------------------------
57 41
58 #include "G4eIonisationCrossSectionHandler.hh" 42 #include "G4eIonisationCrossSectionHandler.hh"
59 #include "G4SystemOfUnits.hh" <<
60 #include "G4VEnergySpectrum.hh" 43 #include "G4VEnergySpectrum.hh"
61 #include "G4DataVector.hh" 44 #include "G4DataVector.hh"
62 #include "G4CompositeEMDataSet.hh" 45 #include "G4CompositeEMDataSet.hh"
63 #include "G4VDataSetAlgorithm.hh" 46 #include "G4VDataSetAlgorithm.hh"
64 #include "G4LinLogLogInterpolation.hh" <<
65 #include "G4SemiLogInterpolation.hh" 47 #include "G4SemiLogInterpolation.hh"
66 #include "G4VEMDataSet.hh" 48 #include "G4VEMDataSet.hh"
67 #include "G4EMDataSet.hh" 49 #include "G4EMDataSet.hh"
68 #include "G4Material.hh" 50 #include "G4Material.hh"
69 #include "G4ProductionCutsTable.hh" << 51 #include "G4MaterialTable.hh"
>> 52
70 53
71 //....oooOO0OOooo........oooOO0OOooo........oo << 54 G4eIonisationCrossSectionHandler::G4eIonisationCrossSectionHandler(
72 G4eIonisationCrossSectionHandler::G4eIonisati << 55 const G4VEnergySpectrum* spec, G4VDataSetAlgorithm* alg,
73 const G4VEnergySpectrum* spec, G4VDataSetA <<
74 G4double emin, G4double emax, G4int nbin) 56 G4double emin, G4double emax, G4int nbin)
75 : G4VCrossSectionHandler(), 57 : G4VCrossSectionHandler(),
76 theParam(spec),verbose(0) << 58 theParam(spec)
77 { 59 {
78 G4VCrossSectionHandler::Initialise(alg, emin 60 G4VCrossSectionHandler::Initialise(alg, emin, emax, nbin);
79 interp = new G4LinLogLogInterpolation(); << 61 interp = new G4SemiLogInterpolation();
80 } 62 }
81 63
82 //....oooOO0OOooo........oooOO0OOooo........oo <<
83 64
84 G4eIonisationCrossSectionHandler::~G4eIonisati << 65 G4eIonisationCrossSectionHandler::~G4eIonisationCrossSectionHandler()
85 { 66 {
86 delete interp; 67 delete interp;
87 } 68 }
88 69
89 //....oooOO0OOooo........oooOO0OOooo........oo <<
90 70
91 std::vector<G4VEMDataSet*>* G4eIonisationCross << 71 G4std::vector<G4VEMDataSet*>* G4eIonisationCrossSectionHandler::BuildCrossSectionsForMaterials(
92 const G4DataVector& en << 72 const G4DataVector& energyVector,
93 const G4DataVector* en << 73 const G4DataVector* energyCuts)
94 { 74 {
95 std::vector<G4VEMDataSet*>* set = new std::v << 75
>> 76 G4std::vector<G4VEMDataSet*>* set = new G4std::vector<G4VEMDataSet*>;
96 77
97 G4DataVector* energies; 78 G4DataVector* energies;
98 G4DataVector* cs; 79 G4DataVector* cs;
>> 80 G4int nOfBins = energyVector.size();
99 81
100 G4DataVector* log_energies; << 82 const G4MaterialTable* materialTable = G4Material::GetMaterialTable();
101 G4DataVector* log_cs; << 83 if (materialTable == 0)
102 << 84 G4Exception("G4VCrossSectionHandler::G4VCrossSectionHandler - no MaterialTable found)");
103 std::size_t nOfBins = energyVector.size(); <<
104 85
105 const G4ProductionCutsTable* theCoupleTable= << 86 G4int nMaterials = G4Material::GetNumberOfMaterials();
106 G4ProductionCutsTable::GetProductionCu <<
107 G4int numOfCouples = (G4int)theCoupleTable-> <<
108 87
109 for (G4int mLocal=0; mLocal<numOfCouples; ++ << 88 for (G4int m=0; m<nMaterials; m++) {
110 89
111 const G4MaterialCutsCouple* couple = theCo << 90 const G4Material* material = (*materialTable)[m];
112 const G4Material* material= couple->GetMat <<
113 const G4ElementVector* elementVector = mat 91 const G4ElementVector* elementVector = material->GetElementVector();
>> 92 //const G4double* nAtomsPerVolume = material->GetVecNbOfAtomsPerVolume();
114 const G4double* nAtomsPerVolume = material 93 const G4double* nAtomsPerVolume = material->GetAtomicNumDensityVector();
115 G4int nElements = (G4int)material->GetNumb << 94 G4int nElements = material->GetNumberOfElements();
116 <<
117 if(verbose > 0) <<
118 { <<
119 G4cout << "eIonisation CS for " << mLocal << <<
120 << material->GetName() <<
121 << " eEl= " << nElements << G4endl; <<
122 } <<
123 <<
124 G4double tcut = (*energyCuts)[mLocal]; <<
125 95
>> 96 G4double tcut = (*energyCuts)[m];
>> 97
126 G4VDataSetAlgorithm* algo = interp->Clone( 98 G4VDataSetAlgorithm* algo = interp->Clone();
127 G4VEMDataSet* setForMat = new G4CompositeE 99 G4VEMDataSet* setForMat = new G4CompositeEMDataSet(algo,1.,1.);
128 100
129 for (G4int i=0; i<nElements; ++i) { << 101 for (G4int i=0; i<nElements; i++) {
130 << 102
131 G4int Z = (G4int) (*elementVector)[i]->G 103 G4int Z = (G4int) (*elementVector)[i]->GetZ();
132 G4int nShells = NumberOfComponents(Z); 104 G4int nShells = NumberOfComponents(Z);
133 <<
134 energies = new G4DataVector; 105 energies = new G4DataVector;
135 cs = new G4DataVector; 106 cs = new G4DataVector;
136 <<
137 log_energies = new G4DataVector; <<
138 log_cs = new G4DataVector; <<
139 <<
140 G4double density = nAtomsPerVolume[i]; 107 G4double density = nAtomsPerVolume[i];
141 108
142 for (std::size_t bin=0; bin<nOfBins; ++b << 109 for (G4int bin=0; bin<nOfBins; bin++) {
143 110
144 G4double e = energyVector[bin]; 111 G4double e = energyVector[bin];
145 energies->push_back(e); 112 energies->push_back(e);
146 log_energies->push_back(std::log10(e)) <<
147 G4double value = 0.0; 113 G4double value = 0.0;
148 G4double log_value = -300; <<
149 114
150 if(e > tcut) { 115 if(e > tcut) {
151 for (G4int n=0; n<nShells; n++) { 116 for (G4int n=0; n<nShells; n++) {
152 G4double cross = FindValue(Z, e, n 117 G4double cross = FindValue(Z, e, n);
153 G4double p = theParam->Probability << 118 G4double p = theParam->Probability(Z, tcut, e, e, n);
154 value += cross * p * density; 119 value += cross * p * density;
155 << 120 /*
156 if(verbose>0 && mLocal == 0 && e>=1. && << 121 G4cout << "G4eIonisationCrossSectionHandler: e= " << e
157 { << 122 << " n= " << n
158 G4cout << "G4eIonCrossSH: e(MeV) << 123 << " cross= " << cross
159 << " n= " << n << 124 << " p= " << p
160 << " cross= " << cross << 125 << " value= " << value
161 << " p= " << p << 126 << G4endl;
162 << " value= " << value << 127 */
163 << " tcut(MeV)= " << tcut <<
164 << " rho= " << density <<
165 << " Z= " << Z <<
166 << G4endl; <<
167 } <<
168 } 128 }
169 if (value == 0.) value = 1e-300; <<
170 log_value = std::log10(value); <<
171 } 129 }
172 cs->push_back(value); 130 cs->push_back(value);
173 log_cs->push_back(log_value); << 131 }
174 } << 132 G4VDataSetAlgorithm* algo = interp->Clone();
175 G4VDataSetAlgorithm* algoLocal = interp- << 133 G4VEMDataSet* elSet = new G4EMDataSet(i,energies,cs,algo,1.,1.);
176 G4VEMDataSet* elSet = new G4EMDataSet(i, <<
177 <<
178 setForMat->AddComponent(elSet); 134 setForMat->AddComponent(elSet);
179 } 135 }
180 set->push_back(setForMat); 136 set->push_back(setForMat);
181 } 137 }
182 << 138
183 return set; 139 return set;
184 } <<
185 <<
186 //....oooOO0OOooo........oooOO0OOooo........oo <<
187 <<
188 G4double G4eIonisationCrossSectionHandler::Get <<
189 G4double cutEnergy, <<
190 G4int Z) <<
191 { <<
192 G4int nShells = NumberOfComponents(Z); <<
193 G4double value = 0.; <<
194 if(energy > cutEnergy) <<
195 { <<
196 for (G4int n=0; n<nShells; ++n) { <<
197 G4double cross = FindValue(Z, energy, n); <<
198 G4double p = theParam->Probability(Z, cutEne <<
199 value += cross * p; <<
200 } <<
201 } <<
202 return value; <<
203 } 140 }
204 141