[819] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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[1192] | 26 | // $Id: G4CrossSectionIonisationBornPartial.cc,v 1.6 2009/06/10 13:32:36 mantero Exp $ |
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[1347] | 27 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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[819] | 28 | |
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| 29 | #include "G4CrossSectionIonisationBornPartial.hh" |
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| 30 | |
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[961] | 31 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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[819] | 32 | |
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| 33 | G4CrossSectionIonisationBornPartial::G4CrossSectionIonisationBornPartial() |
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| 34 | { |
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[1055] | 35 | lowEnergyLimitDefault = 12.61 * eV; |
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[819] | 36 | highEnergyLimitDefault = 30 * keV; |
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| 37 | |
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| 38 | G4String fileElectron("dna/sigma_ionisation_e_born"); |
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| 39 | G4String fileProton("dna/sigma_ionisation_p_born"); |
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| 40 | |
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| 41 | G4ParticleDefinition* electronDef = G4Electron::ElectronDefinition(); |
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| 42 | G4ParticleDefinition* protonDef = G4Proton::ProtonDefinition(); |
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| 43 | |
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| 44 | G4String electron; |
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| 45 | G4String proton; |
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| 46 | |
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| 47 | G4double scaleFactor = (1.e-22 / 3.343) * m*m; |
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| 48 | |
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| 49 | if (electronDef != 0) |
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[961] | 50 | { |
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| 51 | electron = electronDef->GetParticleName(); |
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| 52 | tableFile[electron] = fileElectron; |
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[819] | 53 | |
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[1055] | 54 | lowEnergyLimit[electron] = 12.61 * eV; |
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[961] | 55 | highEnergyLimit[electron] = 30. * keV; |
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[819] | 56 | |
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[961] | 57 | G4DNACrossSectionDataSet* tableE = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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| 58 | tableE->LoadData(fileElectron); |
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[819] | 59 | |
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[961] | 60 | tableData[electron] = tableE; |
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| 61 | } |
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[819] | 62 | else |
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[961] | 63 | { |
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| 64 | G4Exception("G4CrossSectionIonisationBornPartial Constructor: electron is not defined"); |
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| 65 | } |
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[819] | 66 | |
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| 67 | if (protonDef != 0) |
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[961] | 68 | { |
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| 69 | proton = protonDef->GetParticleName(); |
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| 70 | tableFile[proton] = fileProton; |
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[819] | 71 | |
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[961] | 72 | lowEnergyLimit[proton] = 500. * keV; |
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| 73 | highEnergyLimit[proton] = 10. * MeV; |
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[819] | 74 | |
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[961] | 75 | G4DNACrossSectionDataSet* tableP = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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| 76 | tableP->LoadData(fileProton); |
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[819] | 77 | |
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[961] | 78 | tableData[proton] = tableP; |
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| 79 | } |
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[819] | 80 | else |
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[961] | 81 | { |
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| 82 | G4Exception("G4CrossSectionIonisationBornPartial Constructor: proton is not defined"); |
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| 83 | } |
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[819] | 84 | } |
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| 85 | |
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[961] | 86 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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[819] | 87 | |
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| 88 | G4CrossSectionIonisationBornPartial::~G4CrossSectionIonisationBornPartial() |
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| 89 | { |
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| 90 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 91 | for (pos = tableData.begin(); pos != tableData.end(); ++pos) |
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[961] | 92 | { |
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| 93 | G4DNACrossSectionDataSet* table = pos->second; |
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| 94 | delete table; |
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| 95 | } |
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[819] | 96 | } |
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| 97 | |
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[961] | 98 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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[819] | 99 | |
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| 100 | G4int G4CrossSectionIonisationBornPartial::RandomSelect(G4double k, const G4String& particle ) |
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| 101 | { |
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| 102 | G4int level = 0; |
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| 103 | |
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[961] | 104 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 105 | pos = tableData.find(particle); |
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[819] | 106 | |
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[961] | 107 | if (pos != tableData.end()) |
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| 108 | { |
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| 109 | G4DNACrossSectionDataSet* table = pos->second; |
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[819] | 110 | |
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[961] | 111 | if (table != 0) |
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| 112 | { |
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| 113 | G4double* valuesBuffer = new G4double[table->NumberOfComponents()]; |
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| 114 | const size_t n(table->NumberOfComponents()); |
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| 115 | size_t i(n); |
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| 116 | G4double value = 0.; |
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[819] | 117 | |
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[961] | 118 | while (i>0) |
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| 119 | { |
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| 120 | i--; |
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| 121 | valuesBuffer[i] = table->GetComponent(i)->FindValue(k); |
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| 122 | value += valuesBuffer[i]; |
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| 123 | } |
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[819] | 124 | |
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[961] | 125 | value *= G4UniformRand(); |
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| 126 | |
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| 127 | i = n; |
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[819] | 128 | |
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[961] | 129 | while (i > 0) |
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| 130 | { |
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| 131 | i--; |
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[819] | 132 | |
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[961] | 133 | if (valuesBuffer[i] > value) |
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| 134 | { |
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| 135 | delete[] valuesBuffer; |
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| 136 | return i; |
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| 137 | } |
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| 138 | value -= valuesBuffer[i]; |
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| 139 | } |
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[819] | 140 | |
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[961] | 141 | if (valuesBuffer) delete[] valuesBuffer; |
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| 142 | |
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| 143 | } |
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| 144 | } |
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| 145 | else |
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| 146 | { |
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| 147 | G4Exception("G4CrossSectionIonisationBornPartial: attempting to calculate cross section for wrong particle"); |
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| 148 | } |
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[819] | 149 | |
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| 150 | return level; |
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| 151 | } |
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| 152 | |
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[961] | 153 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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[819] | 154 | |
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| 155 | G4double G4CrossSectionIonisationBornPartial::CrossSection(const G4Track& track ) |
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| 156 | { |
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| 157 | G4double sigma = 0.; |
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| 158 | |
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| 159 | const G4DynamicParticle* particle = track.GetDynamicParticle(); |
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| 160 | G4double k = particle->GetKineticEnergy(); |
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| 161 | |
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| 162 | G4double lowLim = lowEnergyLimitDefault; |
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| 163 | G4double highLim = highEnergyLimitDefault; |
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| 164 | |
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| 165 | const G4String& particleName = particle->GetDefinition()->GetParticleName(); |
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| 166 | |
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[961] | 167 | std::map< G4String,G4double,std::less<G4String> >::iterator pos1; |
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| 168 | pos1 = lowEnergyLimit.find(particleName); |
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[819] | 169 | |
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[961] | 170 | if (pos1 != lowEnergyLimit.end()) |
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| 171 | { |
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| 172 | lowLim = pos1->second; |
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| 173 | } |
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[819] | 174 | |
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[961] | 175 | std::map< G4String,G4double,std::less<G4String> >::iterator pos2; |
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| 176 | pos2 = highEnergyLimit.find(particleName); |
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[819] | 177 | |
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[961] | 178 | if (pos2 != highEnergyLimit.end()) |
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| 179 | { |
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| 180 | highLim = pos2->second; |
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| 181 | } |
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[819] | 182 | |
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[961] | 183 | if (k > lowLim && k < highLim) |
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| 184 | { |
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| 185 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 186 | pos = tableData.find(particleName); |
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[819] | 187 | |
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[961] | 188 | if (pos != tableData.end()) |
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| 189 | { |
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| 190 | G4DNACrossSectionDataSet* table = pos->second; |
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| 191 | if (table != 0) |
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| 192 | { |
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| 193 | sigma = table->FindValue(k); |
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| 194 | } |
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| 195 | } |
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| 196 | else |
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| 197 | { |
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| 198 | G4Exception("G4CrossSectionIonisationBornPartial: attempting to calculate cross section for wrong particle"); |
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| 199 | } |
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| 200 | } |
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[819] | 201 | |
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[961] | 202 | return sigma; |
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[819] | 203 | } |
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| 204 | |
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[961] | 205 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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[819] | 206 | |
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| 207 | G4double G4CrossSectionIonisationBornPartial::Sum(G4double /* energy */, const G4String& /* particle */) |
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| 208 | { |
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| 209 | return 0; |
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| 210 | } |
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