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>> 26 // $Id: G4eIonisationCrossSectionHandler.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: G4eIonisationCrossSectionHan 33 // File name: G4eIonisationCrossSectionHandler
33 // 34 //
34 // Author: V.Ivanchenko (Vladimir.Ivanc 35 // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch)
35 // 36 //
36 // Creation date: 25 Sept 2001 37 // Creation date: 25 Sept 2001
37 // 38 //
38 // Modifications: 39 // Modifications:
39 // 10 Oct 2001 M.G. Pia Revision to impro 40 // 10 Oct 2001 M.G. Pia Revision to improve code quality and consistency with design
40 // 19 Jul 2002 VI Create composite 41 // 19 Jul 2002 VI Create composite data set for material
41 // 21 Jan 2003 V.Ivanchenko Cut per region 42 // 21 Jan 2003 V.Ivanchenko Cut per region
42 // 28 Jan 2009 L.Pandola Added public meth 43 // 28 Jan 2009 L.Pandola Added public method to make a easier migration of
43 // G4LowEnergyIonisa 44 // G4LowEnergyIonisation to G4LivermoreIonisationModel
44 // 15 Jul 2009 Nicolas A. Karakatsanis 45 // 15 Jul 2009 Nicolas A. Karakatsanis
45 // 46 //
46 // - BuildCrossSecti 47 // - BuildCrossSectionForMaterials method was revised in order to calculate the
47 // logarithmic val 48 // logarithmic values of the loaded data.
48 // It retrieves th 49 // It retrieves the data values from the G4EMLOW data files but, then, calculates the
49 // respective log 50 // respective log values and loads them to seperate data structures.
50 // The EM data set 51 // The EM data sets, initialized this way, contain both non-log and log values.
51 // These initializ 52 // These initialized data sets can enhance the computing performance of data interpolation
52 // operations 53 // operations
53 // 54 //
54 // 55 //
55 // 56 //
56 // ------------------------------------------- 57 // -------------------------------------------------------------------
57 58
58 #include "G4eIonisationCrossSectionHandler.hh" 59 #include "G4eIonisationCrossSectionHandler.hh"
59 #include "G4SystemOfUnits.hh" 60 #include "G4SystemOfUnits.hh"
60 #include "G4VEnergySpectrum.hh" 61 #include "G4VEnergySpectrum.hh"
61 #include "G4DataVector.hh" 62 #include "G4DataVector.hh"
62 #include "G4CompositeEMDataSet.hh" 63 #include "G4CompositeEMDataSet.hh"
63 #include "G4VDataSetAlgorithm.hh" 64 #include "G4VDataSetAlgorithm.hh"
64 #include "G4LinLogLogInterpolation.hh" 65 #include "G4LinLogLogInterpolation.hh"
65 #include "G4SemiLogInterpolation.hh" 66 #include "G4SemiLogInterpolation.hh"
66 #include "G4VEMDataSet.hh" 67 #include "G4VEMDataSet.hh"
67 #include "G4EMDataSet.hh" 68 #include "G4EMDataSet.hh"
68 #include "G4Material.hh" 69 #include "G4Material.hh"
69 #include "G4ProductionCutsTable.hh" 70 #include "G4ProductionCutsTable.hh"
70 71
71 //....oooOO0OOooo........oooOO0OOooo........oo << 72
72 G4eIonisationCrossSectionHandler::G4eIonisati << 73 G4eIonisationCrossSectionHandler::G4eIonisationCrossSectionHandler(
73 const G4VEnergySpectrum* spec, G4VDataSetA 74 const G4VEnergySpectrum* spec, G4VDataSetAlgorithm* alg,
74 G4double emin, G4double emax, G4int nbin) 75 G4double emin, G4double emax, G4int nbin)
75 : G4VCrossSectionHandler(), 76 : G4VCrossSectionHandler(),
76 theParam(spec),verbose(0) 77 theParam(spec),verbose(0)
77 { 78 {
78 G4VCrossSectionHandler::Initialise(alg, emin 79 G4VCrossSectionHandler::Initialise(alg, emin, emax, nbin);
79 interp = new G4LinLogLogInterpolation(); 80 interp = new G4LinLogLogInterpolation();
80 } 81 }
81 82
82 //....oooOO0OOooo........oooOO0OOooo........oo <<
83 83
84 G4eIonisationCrossSectionHandler::~G4eIonisati 84 G4eIonisationCrossSectionHandler::~G4eIonisationCrossSectionHandler()
85 { 85 {
86 delete interp; 86 delete interp;
87 } 87 }
88 88
89 //....oooOO0OOooo........oooOO0OOooo........oo <<
90 89
91 std::vector<G4VEMDataSet*>* G4eIonisationCross 90 std::vector<G4VEMDataSet*>* G4eIonisationCrossSectionHandler::BuildCrossSectionsForMaterials(
92 const G4DataVector& en 91 const G4DataVector& energyVector,
93 const G4DataVector* en 92 const G4DataVector* energyCuts)
94 { 93 {
95 std::vector<G4VEMDataSet*>* set = new std::v 94 std::vector<G4VEMDataSet*>* set = new std::vector<G4VEMDataSet*>;
96 95
97 G4DataVector* energies; 96 G4DataVector* energies;
98 G4DataVector* cs; 97 G4DataVector* cs;
99 98
100 G4DataVector* log_energies; 99 G4DataVector* log_energies;
101 G4DataVector* log_cs; 100 G4DataVector* log_cs;
102 101
103 std::size_t nOfBins = energyVector.size(); << 102 G4int nOfBins = energyVector.size();
104 103
105 const G4ProductionCutsTable* theCoupleTable= 104 const G4ProductionCutsTable* theCoupleTable=
106 G4ProductionCutsTable::GetProductionCu 105 G4ProductionCutsTable::GetProductionCutsTable();
107 G4int numOfCouples = (G4int)theCoupleTable-> << 106 size_t numOfCouples = theCoupleTable->GetTableSize();
108 107
109 for (G4int mLocal=0; mLocal<numOfCouples; ++ << 108 for (size_t mLocal=0; mLocal<numOfCouples; mLocal++) {
110 109
111 const G4MaterialCutsCouple* couple = theCo 110 const G4MaterialCutsCouple* couple = theCoupleTable->GetMaterialCutsCouple(mLocal);
112 const G4Material* material= couple->GetMat 111 const G4Material* material= couple->GetMaterial();
113 const G4ElementVector* elementVector = mat 112 const G4ElementVector* elementVector = material->GetElementVector();
114 const G4double* nAtomsPerVolume = material 113 const G4double* nAtomsPerVolume = material->GetAtomicNumDensityVector();
115 G4int nElements = (G4int)material->GetNumb << 114 G4int nElements = material->GetNumberOfElements();
116 115
117 if(verbose > 0) 116 if(verbose > 0)
118 { 117 {
119 G4cout << "eIonisation CS for " << mLocal << 118 G4cout << "eIonisation CS for " << mLocal << "th material "
120 << material->GetName() 119 << material->GetName()
121 << " eEl= " << nElements << G4endl; 120 << " eEl= " << nElements << G4endl;
122 } 121 }
123 122
124 G4double tcut = (*energyCuts)[mLocal]; 123 G4double tcut = (*energyCuts)[mLocal];
125 124
126 G4VDataSetAlgorithm* algo = interp->Clone( 125 G4VDataSetAlgorithm* algo = interp->Clone();
127 G4VEMDataSet* setForMat = new G4CompositeE 126 G4VEMDataSet* setForMat = new G4CompositeEMDataSet(algo,1.,1.);
128 127
129 for (G4int i=0; i<nElements; ++i) { << 128 for (G4int i=0; i<nElements; i++) {
130 129
131 G4int Z = (G4int) (*elementVector)[i]->G 130 G4int Z = (G4int) (*elementVector)[i]->GetZ();
132 G4int nShells = NumberOfComponents(Z); 131 G4int nShells = NumberOfComponents(Z);
133 132
134 energies = new G4DataVector; 133 energies = new G4DataVector;
135 cs = new G4DataVector; 134 cs = new G4DataVector;
136 135
137 log_energies = new G4DataVector; 136 log_energies = new G4DataVector;
138 log_cs = new G4DataVector; 137 log_cs = new G4DataVector;
139 138
140 G4double density = nAtomsPerVolume[i]; 139 G4double density = nAtomsPerVolume[i];
141 140
142 for (std::size_t bin=0; bin<nOfBins; ++b << 141 for (G4int bin=0; bin<nOfBins; bin++) {
143 142
144 G4double e = energyVector[bin]; 143 G4double e = energyVector[bin];
145 energies->push_back(e); 144 energies->push_back(e);
146 log_energies->push_back(std::log10(e)) 145 log_energies->push_back(std::log10(e));
147 G4double value = 0.0; 146 G4double value = 0.0;
148 G4double log_value = -300; 147 G4double log_value = -300;
149 148
150 if(e > tcut) { 149 if(e > tcut) {
151 for (G4int n=0; n<nShells; n++) { 150 for (G4int n=0; n<nShells; n++) {
152 G4double cross = FindValue(Z, e, n 151 G4double cross = FindValue(Z, e, n);
153 G4double p = theParam->Probability 152 G4double p = theParam->Probability(Z, tcut, e, e, n);
154 value += cross * p * density; 153 value += cross * p * density;
155 154
156 if(verbose>0 && mLocal == 0 && e>=1. && 155 if(verbose>0 && mLocal == 0 && e>=1. && e<=0.)
157 { 156 {
158 G4cout << "G4eIonCrossSH: e(MeV) 157 G4cout << "G4eIonCrossSH: e(MeV)= " << e/MeV
159 << " n= " << n 158 << " n= " << n
160 << " cross= " << cross 159 << " cross= " << cross
161 << " p= " << p 160 << " p= " << p
162 << " value= " << value 161 << " value= " << value
163 << " tcut(MeV)= " << tcut 162 << " tcut(MeV)= " << tcut/MeV
164 << " rho= " << density 163 << " rho= " << density
165 << " Z= " << Z 164 << " Z= " << Z
166 << G4endl; 165 << G4endl;
167 } 166 }
>> 167
168 } 168 }
169 if (value == 0.) value = 1e-300; 169 if (value == 0.) value = 1e-300;
170 log_value = std::log10(value); 170 log_value = std::log10(value);
171 } 171 }
172 cs->push_back(value); 172 cs->push_back(value);
173 log_cs->push_back(log_value); 173 log_cs->push_back(log_value);
174 } 174 }
175 G4VDataSetAlgorithm* algoLocal = interp- 175 G4VDataSetAlgorithm* algoLocal = interp->Clone();
>> 176
>> 177 //G4VEMDataSet* elSet = new G4EMDataSet(i,energies,cs,algoLocal,1.,1.);
>> 178
176 G4VEMDataSet* elSet = new G4EMDataSet(i, 179 G4VEMDataSet* elSet = new G4EMDataSet(i,energies,cs,log_energies,log_cs,algoLocal,1.,1.);
177 180
178 setForMat->AddComponent(elSet); 181 setForMat->AddComponent(elSet);
179 } 182 }
180 set->push_back(setForMat); 183 set->push_back(setForMat);
181 } 184 }
182 185
183 return set; 186 return set;
184 } 187 }
185 188
186 //....oooOO0OOooo........oooOO0OOooo........oo <<
187 <<
188 G4double G4eIonisationCrossSectionHandler::Get 189 G4double G4eIonisationCrossSectionHandler::GetCrossSectionAboveThresholdForElement(G4double energy,
189 G4double cutEnergy, 190 G4double cutEnergy,
190 G4int Z) 191 G4int Z)
191 { 192 {
192 G4int nShells = NumberOfComponents(Z); 193 G4int nShells = NumberOfComponents(Z);
193 G4double value = 0.; 194 G4double value = 0.;
194 if(energy > cutEnergy) 195 if(energy > cutEnergy)
195 { 196 {
196 for (G4int n=0; n<nShells; ++n) { << 197 for (G4int n=0; n<nShells; n++) {
197 G4double cross = FindValue(Z, energy, n); 198 G4double cross = FindValue(Z, energy, n);
198 G4double p = theParam->Probability(Z, cutEne 199 G4double p = theParam->Probability(Z, cutEnergy, energy, energy, n);
199 value += cross * p; 200 value += cross * p;
200 } 201 }
201 } 202 }
202 return value; 203 return value;
203 } 204 }
204 205