[1192] | 1 | // |
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[1058] | 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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[1340] | 26 | // $Id: G4DNARuddIonisationModel.cc,v 1.21 2010/11/04 14:52:17 sincerti Exp $ |
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[1347] | 27 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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[1058] | 28 | // |
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| 29 | |
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| 30 | #include "G4DNARuddIonisationModel.hh" |
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[1192] | 31 | //#include "G4DynamicMolecule.hh" |
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[1058] | 32 | |
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| 33 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 34 | |
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| 35 | using namespace std; |
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| 36 | |
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| 37 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 38 | |
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| 39 | G4DNARuddIonisationModel::G4DNARuddIonisationModel(const G4ParticleDefinition*, |
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| 40 | const G4String& nam) |
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| 41 | :G4VEmModel(nam),isInitialised(false) |
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| 42 | { |
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| 43 | lowEnergyLimitForZ1 = 0 * eV; |
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| 44 | lowEnergyLimitForZ2 = 0 * eV; |
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| 45 | lowEnergyLimitOfModelForZ1 = 100 * eV; |
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| 46 | lowEnergyLimitOfModelForZ2 = 1 * keV; |
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| 47 | killBelowEnergyForZ1 = lowEnergyLimitOfModelForZ1; |
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| 48 | killBelowEnergyForZ2 = lowEnergyLimitOfModelForZ2; |
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| 49 | |
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| 50 | verboseLevel= 0; |
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| 51 | // Verbosity scale: |
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| 52 | // 0 = nothing |
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| 53 | // 1 = warning for energy non-conservation |
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| 54 | // 2 = details of energy budget |
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| 55 | // 3 = calculation of cross sections, file openings, sampling of atoms |
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| 56 | // 4 = entering in methods |
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| 57 | |
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[1192] | 58 | if( verboseLevel>0 ) |
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| 59 | { |
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| 60 | G4cout << "Rudd ionisation model is constructed " << G4endl; |
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| 61 | } |
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[1058] | 62 | } |
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| 63 | |
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| 64 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 65 | |
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| 66 | G4DNARuddIonisationModel::~G4DNARuddIonisationModel() |
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| 67 | { |
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| 68 | // Cross section |
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| 69 | |
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| 70 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 71 | for (pos = tableData.begin(); pos != tableData.end(); ++pos) |
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| 72 | { |
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| 73 | G4DNACrossSectionDataSet* table = pos->second; |
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| 74 | delete table; |
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| 75 | } |
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| 76 | |
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| 77 | } |
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| 78 | |
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| 79 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 80 | |
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| 81 | void G4DNARuddIonisationModel::Initialise(const G4ParticleDefinition* particle, |
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| 82 | const G4DataVector& /*cuts*/) |
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| 83 | { |
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| 84 | |
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| 85 | if (verboseLevel > 3) |
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| 86 | G4cout << "Calling G4DNARuddIonisationModel::Initialise()" << G4endl; |
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| 87 | |
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| 88 | // Energy limits |
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| 89 | |
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| 90 | G4String fileProton("dna/sigma_ionisation_p_rudd"); |
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| 91 | G4String fileHydrogen("dna/sigma_ionisation_h_rudd"); |
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| 92 | G4String fileAlphaPlusPlus("dna/sigma_ionisation_alphaplusplus_rudd"); |
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| 93 | G4String fileAlphaPlus("dna/sigma_ionisation_alphaplus_rudd"); |
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| 94 | G4String fileHelium("dna/sigma_ionisation_he_rudd"); |
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| 95 | |
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| 96 | G4DNAGenericIonsManager *instance; |
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| 97 | instance = G4DNAGenericIonsManager::Instance(); |
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| 98 | G4ParticleDefinition* protonDef = G4Proton::ProtonDefinition(); |
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| 99 | G4ParticleDefinition* hydrogenDef = instance->GetIon("hydrogen"); |
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| 100 | G4ParticleDefinition* alphaPlusPlusDef = instance->GetIon("alpha++"); |
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| 101 | G4ParticleDefinition* alphaPlusDef = instance->GetIon("alpha+"); |
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| 102 | G4ParticleDefinition* heliumDef = instance->GetIon("helium"); |
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| 103 | |
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| 104 | G4String proton; |
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| 105 | G4String hydrogen; |
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| 106 | G4String alphaPlusPlus; |
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| 107 | G4String alphaPlus; |
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| 108 | G4String helium; |
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| 109 | |
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| 110 | G4double scaleFactor = 1 * m*m; |
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| 111 | |
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| 112 | if (protonDef != 0) |
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| 113 | { |
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| 114 | proton = protonDef->GetParticleName(); |
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| 115 | tableFile[proton] = fileProton; |
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| 116 | |
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| 117 | lowEnergyLimit[proton] = lowEnergyLimitForZ1; |
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| 118 | highEnergyLimit[proton] = 500. * keV; |
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| 119 | |
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| 120 | // Cross section |
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| 121 | |
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| 122 | G4DNACrossSectionDataSet* tableProton = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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| 123 | eV, |
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| 124 | scaleFactor ); |
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| 125 | tableProton->LoadData(fileProton); |
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| 126 | tableData[proton] = tableProton; |
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| 127 | } |
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| 128 | else |
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| 129 | { |
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| 130 | G4Exception("G4DNARuddIonisationModel::Initialise: proton is not defined"); |
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| 131 | } |
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| 132 | |
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| 133 | if (hydrogenDef != 0) |
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| 134 | { |
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| 135 | hydrogen = hydrogenDef->GetParticleName(); |
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| 136 | tableFile[hydrogen] = fileHydrogen; |
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| 137 | |
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| 138 | lowEnergyLimit[hydrogen] = lowEnergyLimitForZ1; |
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| 139 | highEnergyLimit[hydrogen] = 100. * MeV; |
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| 140 | |
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| 141 | // Cross section |
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| 142 | |
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| 143 | G4DNACrossSectionDataSet* tableHydrogen = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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| 144 | eV, |
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| 145 | scaleFactor ); |
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| 146 | tableHydrogen->LoadData(fileHydrogen); |
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| 147 | |
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| 148 | tableData[hydrogen] = tableHydrogen; |
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| 149 | } |
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| 150 | else |
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| 151 | { |
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| 152 | G4Exception("G4DNARuddIonisationModel::Initialise: hydrogen is not defined"); |
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| 153 | } |
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| 154 | |
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| 155 | if (alphaPlusPlusDef != 0) |
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| 156 | { |
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| 157 | alphaPlusPlus = alphaPlusPlusDef->GetParticleName(); |
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| 158 | tableFile[alphaPlusPlus] = fileAlphaPlusPlus; |
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| 159 | |
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| 160 | lowEnergyLimit[alphaPlusPlus] = lowEnergyLimitForZ2; |
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[1340] | 161 | highEnergyLimit[alphaPlusPlus] = 400. * MeV; |
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[1058] | 162 | |
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| 163 | // Cross section |
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| 164 | |
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| 165 | G4DNACrossSectionDataSet* tableAlphaPlusPlus = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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| 166 | eV, |
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| 167 | scaleFactor ); |
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| 168 | tableAlphaPlusPlus->LoadData(fileAlphaPlusPlus); |
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| 169 | |
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| 170 | tableData[alphaPlusPlus] = tableAlphaPlusPlus; |
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| 171 | } |
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| 172 | else |
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| 173 | { |
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| 174 | G4Exception("G4DNARuddIonisationModel::Initialise: alphaPlusPlus is not defined"); |
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| 175 | } |
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| 176 | |
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| 177 | if (alphaPlusDef != 0) |
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| 178 | { |
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| 179 | alphaPlus = alphaPlusDef->GetParticleName(); |
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| 180 | tableFile[alphaPlus] = fileAlphaPlus; |
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| 181 | |
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| 182 | lowEnergyLimit[alphaPlus] = lowEnergyLimitForZ2; |
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[1340] | 183 | highEnergyLimit[alphaPlus] = 400. * MeV; |
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[1058] | 184 | |
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| 185 | // Cross section |
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| 186 | |
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| 187 | G4DNACrossSectionDataSet* tableAlphaPlus = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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| 188 | eV, |
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| 189 | scaleFactor ); |
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| 190 | tableAlphaPlus->LoadData(fileAlphaPlus); |
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| 191 | tableData[alphaPlus] = tableAlphaPlus; |
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| 192 | } |
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| 193 | else |
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| 194 | { |
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| 195 | G4Exception("G4DNARuddIonisationModel::Initialise: alphaPlus is not defined"); |
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| 196 | } |
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| 197 | |
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| 198 | if (heliumDef != 0) |
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| 199 | { |
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| 200 | helium = heliumDef->GetParticleName(); |
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| 201 | tableFile[helium] = fileHelium; |
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| 202 | |
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| 203 | lowEnergyLimit[helium] = lowEnergyLimitForZ2; |
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[1340] | 204 | highEnergyLimit[helium] = 400. * MeV; |
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[1058] | 205 | |
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| 206 | // Cross section |
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| 207 | |
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| 208 | G4DNACrossSectionDataSet* tableHelium = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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| 209 | eV, |
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| 210 | scaleFactor ); |
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| 211 | tableHelium->LoadData(fileHelium); |
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| 212 | tableData[helium] = tableHelium; |
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| 213 | } |
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| 214 | else |
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| 215 | { |
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| 216 | G4Exception("G4DNARuddIonisationModel::Initialise: helium is not defined"); |
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| 217 | } |
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| 218 | |
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| 219 | if (particle==protonDef) |
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| 220 | { |
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| 221 | SetLowEnergyLimit(lowEnergyLimit[proton]); |
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| 222 | SetHighEnergyLimit(highEnergyLimit[proton]); |
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| 223 | } |
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| 224 | |
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| 225 | if (particle==hydrogenDef) |
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| 226 | { |
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| 227 | SetLowEnergyLimit(lowEnergyLimit[hydrogen]); |
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| 228 | SetHighEnergyLimit(highEnergyLimit[hydrogen]); |
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| 229 | } |
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| 230 | |
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| 231 | if (particle==heliumDef) |
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| 232 | { |
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| 233 | SetLowEnergyLimit(lowEnergyLimit[helium]); |
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| 234 | SetHighEnergyLimit(highEnergyLimit[helium]); |
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| 235 | } |
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| 236 | |
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| 237 | if (particle==alphaPlusDef) |
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| 238 | { |
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| 239 | SetLowEnergyLimit(lowEnergyLimit[alphaPlus]); |
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| 240 | SetHighEnergyLimit(highEnergyLimit[alphaPlus]); |
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| 241 | } |
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| 242 | |
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| 243 | if (particle==alphaPlusPlusDef) |
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| 244 | { |
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| 245 | SetLowEnergyLimit(lowEnergyLimit[alphaPlusPlus]); |
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| 246 | SetHighEnergyLimit(highEnergyLimit[alphaPlusPlus]); |
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| 247 | } |
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| 248 | |
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[1192] | 249 | if( verboseLevel>0 ) |
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| 250 | { |
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| 251 | G4cout << "Rudd ionisation model is initialized " << G4endl |
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| 252 | << "Energy range: " |
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| 253 | << LowEnergyLimit() / eV << " eV - " |
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| 254 | << HighEnergyLimit() / keV << " keV for " |
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| 255 | << particle->GetParticleName() |
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| 256 | << G4endl; |
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| 257 | } |
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[1058] | 258 | |
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| 259 | // |
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| 260 | |
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| 261 | if(!isInitialised) |
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| 262 | { |
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| 263 | isInitialised = true; |
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| 264 | |
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| 265 | if(pParticleChange) |
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| 266 | fParticleChangeForGamma = reinterpret_cast<G4ParticleChangeForGamma*>(pParticleChange); |
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| 267 | else |
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| 268 | fParticleChangeForGamma = new G4ParticleChangeForGamma(); |
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| 269 | } |
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| 270 | |
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| 271 | // InitialiseElementSelectors(particle,cuts); |
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| 272 | |
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| 273 | } |
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| 274 | |
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| 275 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 276 | |
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[1315] | 277 | G4double G4DNARuddIonisationModel::CrossSectionPerVolume(const G4Material* material, |
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[1058] | 278 | const G4ParticleDefinition* particleDefinition, |
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| 279 | G4double k, |
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| 280 | G4double, |
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| 281 | G4double) |
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| 282 | { |
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| 283 | if (verboseLevel > 3) |
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| 284 | G4cout << "Calling CrossSectionPerVolume() of G4DNARuddIonisationModel" << G4endl; |
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| 285 | |
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| 286 | // Calculate total cross section for model |
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| 287 | |
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| 288 | G4DNAGenericIonsManager *instance; |
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| 289 | instance = G4DNAGenericIonsManager::Instance(); |
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| 290 | |
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| 291 | if ( |
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| 292 | particleDefinition != G4Proton::ProtonDefinition() |
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| 293 | && |
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| 294 | particleDefinition != instance->GetIon("hydrogen") |
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| 295 | && |
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| 296 | particleDefinition != instance->GetIon("alpha++") |
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| 297 | && |
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| 298 | particleDefinition != instance->GetIon("alpha+") |
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| 299 | && |
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| 300 | particleDefinition != instance->GetIon("helium") |
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| 301 | ) |
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| 302 | |
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| 303 | return 0; |
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| 304 | |
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| 305 | G4double lowLim = 0; |
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| 306 | |
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| 307 | if ( particleDefinition == G4Proton::ProtonDefinition() |
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| 308 | || particleDefinition == instance->GetIon("hydrogen") |
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| 309 | ) |
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| 310 | |
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| 311 | lowLim = lowEnergyLimitOfModelForZ1; |
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| 312 | |
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| 313 | if ( particleDefinition == instance->GetIon("alpha++") |
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| 314 | || particleDefinition == instance->GetIon("alpha+") |
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| 315 | || particleDefinition == instance->GetIon("helium") |
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| 316 | ) |
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| 317 | |
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| 318 | lowLim = lowEnergyLimitOfModelForZ2; |
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| 319 | |
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| 320 | G4double highLim = 0; |
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| 321 | G4double sigma=0; |
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| 322 | |
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[1315] | 323 | if (material->GetName() == "G4_WATER") |
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[1058] | 324 | { |
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| 325 | const G4String& particleName = particleDefinition->GetParticleName(); |
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| 326 | |
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| 327 | // SI - the following is useless since lowLim is already defined |
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| 328 | /* |
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| 329 | std::map< G4String,G4double,std::less<G4String> >::iterator pos1; |
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| 330 | pos1 = lowEnergyLimit.find(particleName); |
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| 331 | |
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| 332 | if (pos1 != lowEnergyLimit.end()) |
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| 333 | { |
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| 334 | lowLim = pos1->second; |
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| 335 | } |
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| 336 | */ |
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| 337 | |
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| 338 | std::map< G4String,G4double,std::less<G4String> >::iterator pos2; |
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| 339 | pos2 = highEnergyLimit.find(particleName); |
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| 340 | |
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| 341 | if (pos2 != highEnergyLimit.end()) |
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| 342 | { |
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| 343 | highLim = pos2->second; |
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| 344 | } |
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| 345 | |
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| 346 | if (k < highLim) |
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| 347 | { |
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| 348 | |
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| 349 | //SI : XS must not be zero otherwise sampling of secondaries method ignored |
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| 350 | |
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| 351 | if (k < lowLim) k = lowLim; |
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| 352 | |
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| 353 | // |
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| 354 | |
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| 355 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 356 | pos = tableData.find(particleName); |
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| 357 | |
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| 358 | if (pos != tableData.end()) |
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| 359 | { |
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| 360 | G4DNACrossSectionDataSet* table = pos->second; |
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| 361 | if (table != 0) |
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| 362 | { |
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| 363 | sigma = table->FindValue(k); |
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| 364 | |
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| 365 | } |
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| 366 | } |
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| 367 | else |
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| 368 | { |
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| 369 | G4Exception("G4DNARuddIonisationModel::CrossSectionPerVolume: attempting to calculate cross section for wrong particle"); |
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| 370 | } |
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| 371 | |
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| 372 | } // if (k >= lowLim && k < highLim) |
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| 373 | |
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| 374 | if (verboseLevel > 3) |
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| 375 | { |
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| 376 | G4cout << "---> Kinetic energy(eV)=" << k/eV << G4endl; |
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| 377 | G4cout << " - Cross section per water molecule (cm^2)=" << sigma/cm/cm << G4endl; |
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[1315] | 378 | G4cout << " - Cross section per water molecule (cm^-1)=" << sigma* |
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| 379 | material->GetAtomicNumDensityVector()[1]/(1./cm) << G4endl; |
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[1058] | 380 | } |
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| 381 | |
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| 382 | } // if (waterMaterial) |
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| 383 | |
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[1315] | 384 | return sigma*material->GetAtomicNumDensityVector()[1]; |
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[1058] | 385 | |
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| 386 | } |
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| 387 | |
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| 388 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 389 | |
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| 390 | void G4DNARuddIonisationModel::SampleSecondaries(std::vector<G4DynamicParticle*>* fvect, |
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| 391 | const G4MaterialCutsCouple* /*couple*/, |
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| 392 | const G4DynamicParticle* particle, |
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| 393 | G4double, |
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| 394 | G4double) |
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| 395 | { |
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| 396 | if (verboseLevel > 3) |
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| 397 | G4cout << "Calling SampleSecondaries() of G4DNARuddIonisationModel" << G4endl; |
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| 398 | |
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| 399 | G4double lowLim = 0; |
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| 400 | G4double highLim = 0; |
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| 401 | |
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| 402 | G4DNAGenericIonsManager *instance; |
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| 403 | instance = G4DNAGenericIonsManager::Instance(); |
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| 404 | |
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| 405 | if ( particle->GetDefinition() == G4Proton::ProtonDefinition() |
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| 406 | || particle->GetDefinition() == instance->GetIon("hydrogen") |
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| 407 | ) |
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| 408 | |
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| 409 | lowLim = killBelowEnergyForZ1; |
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| 410 | |
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| 411 | if ( particle->GetDefinition() == instance->GetIon("alpha++") |
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| 412 | || particle->GetDefinition() == instance->GetIon("alpha+") |
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| 413 | || particle->GetDefinition() == instance->GetIon("helium") |
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| 414 | ) |
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| 415 | |
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| 416 | lowLim = killBelowEnergyForZ2; |
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| 417 | |
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| 418 | G4double k = particle->GetKineticEnergy(); |
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| 419 | |
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| 420 | const G4String& particleName = particle->GetDefinition()->GetParticleName(); |
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| 421 | |
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| 422 | // SI - the following is useless since lowLim is already defined |
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| 423 | /* |
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| 424 | std::map< G4String,G4double,std::less<G4String> >::iterator pos1; |
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| 425 | pos1 = lowEnergyLimit.find(particleName); |
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| 426 | |
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| 427 | if (pos1 != lowEnergyLimit.end()) |
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| 428 | { |
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| 429 | lowLim = pos1->second; |
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| 430 | } |
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| 431 | */ |
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| 432 | |
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| 433 | std::map< G4String,G4double,std::less<G4String> >::iterator pos2; |
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| 434 | pos2 = highEnergyLimit.find(particleName); |
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| 435 | |
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| 436 | if (pos2 != highEnergyLimit.end()) |
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| 437 | { |
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| 438 | highLim = pos2->second; |
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| 439 | } |
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| 440 | |
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| 441 | if (k >= lowLim && k < highLim) |
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| 442 | { |
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| 443 | G4ParticleDefinition* definition = particle->GetDefinition(); |
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| 444 | G4ParticleMomentum primaryDirection = particle->GetMomentumDirection(); |
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[1340] | 445 | /* |
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[1058] | 446 | G4double particleMass = definition->GetPDGMass(); |
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| 447 | G4double totalEnergy = k + particleMass; |
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| 448 | G4double pSquare = k*(totalEnergy+particleMass); |
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| 449 | G4double totalMomentum = std::sqrt(pSquare); |
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[1340] | 450 | */ |
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[1058] | 451 | |
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| 452 | G4int ionizationShell = RandomSelect(k,particleName); |
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| 453 | |
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| 454 | G4double secondaryKinetic = RandomizeEjectedElectronEnergy(definition,k,ionizationShell); |
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| 455 | |
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| 456 | G4double bindingEnergy = waterStructure.IonisationEnergy(ionizationShell); |
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| 457 | |
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| 458 | G4double cosTheta = 0.; |
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| 459 | G4double phi = 0.; |
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| 460 | RandomizeEjectedElectronDirection(definition, k,secondaryKinetic, cosTheta, phi); |
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| 461 | |
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| 462 | G4double sinTheta = std::sqrt(1.-cosTheta*cosTheta); |
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| 463 | G4double dirX = sinTheta*std::cos(phi); |
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| 464 | G4double dirY = sinTheta*std::sin(phi); |
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| 465 | G4double dirZ = cosTheta; |
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| 466 | G4ThreeVector deltaDirection(dirX,dirY,dirZ); |
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| 467 | deltaDirection.rotateUz(primaryDirection); |
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| 468 | |
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[1340] | 469 | // Ignored for ions on electrons |
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| 470 | /* |
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[1058] | 471 | G4double deltaTotalMomentum = std::sqrt(secondaryKinetic*(secondaryKinetic + 2.*electron_mass_c2 )); |
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| 472 | |
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| 473 | G4double finalPx = totalMomentum*primaryDirection.x() - deltaTotalMomentum*deltaDirection.x(); |
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| 474 | G4double finalPy = totalMomentum*primaryDirection.y() - deltaTotalMomentum*deltaDirection.y(); |
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| 475 | G4double finalPz = totalMomentum*primaryDirection.z() - deltaTotalMomentum*deltaDirection.z(); |
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| 476 | G4double finalMomentum = std::sqrt(finalPx*finalPx+finalPy*finalPy+finalPz*finalPz); |
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| 477 | finalPx /= finalMomentum; |
---|
| 478 | finalPy /= finalMomentum; |
---|
| 479 | finalPz /= finalMomentum; |
---|
| 480 | |
---|
| 481 | G4ThreeVector direction; |
---|
| 482 | direction.set(finalPx,finalPy,finalPz); |
---|
| 483 | |
---|
| 484 | fParticleChangeForGamma->ProposeMomentumDirection(direction.unit()) ; |
---|
[1340] | 485 | */ |
---|
| 486 | fParticleChangeForGamma->ProposeMomentumDirection(primaryDirection); |
---|
| 487 | |
---|
[1058] | 488 | fParticleChangeForGamma->SetProposedKineticEnergy(k-bindingEnergy-secondaryKinetic); |
---|
| 489 | fParticleChangeForGamma->ProposeLocalEnergyDeposit(bindingEnergy); |
---|
| 490 | |
---|
| 491 | G4DynamicParticle* dp = new G4DynamicParticle (G4Electron::Electron(),deltaDirection,secondaryKinetic) ; |
---|
| 492 | fvect->push_back(dp); |
---|
| 493 | |
---|
| 494 | } |
---|
| 495 | |
---|
| 496 | // SI - not useful since low energy of model is 0 eV |
---|
| 497 | |
---|
| 498 | if (k < lowLim) |
---|
| 499 | { |
---|
| 500 | fParticleChangeForGamma->ProposeTrackStatus(fStopAndKill); |
---|
| 501 | fParticleChangeForGamma->ProposeLocalEnergyDeposit(k); |
---|
| 502 | } |
---|
| 503 | |
---|
| 504 | } |
---|
| 505 | |
---|
| 506 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 507 | |
---|
| 508 | G4double G4DNARuddIonisationModel::RandomizeEjectedElectronEnergy(G4ParticleDefinition* particleDefinition, |
---|
| 509 | G4double k, |
---|
| 510 | G4int shell) |
---|
| 511 | { |
---|
| 512 | G4double maximumKineticEnergyTransfer = 0.; |
---|
| 513 | |
---|
| 514 | G4DNAGenericIonsManager *instance; |
---|
| 515 | instance = G4DNAGenericIonsManager::Instance(); |
---|
| 516 | |
---|
| 517 | if (particleDefinition == G4Proton::ProtonDefinition() |
---|
| 518 | || particleDefinition == instance->GetIon("hydrogen")) |
---|
| 519 | { |
---|
| 520 | maximumKineticEnergyTransfer= 4.* (electron_mass_c2 / proton_mass_c2) * k; |
---|
| 521 | } |
---|
| 522 | |
---|
| 523 | if (particleDefinition == instance->GetIon("helium") |
---|
| 524 | || particleDefinition == instance->GetIon("alpha+") |
---|
| 525 | || particleDefinition == instance->GetIon("alpha++")) |
---|
| 526 | { |
---|
| 527 | maximumKineticEnergyTransfer= 4.* (0.511 / 3728) * k; |
---|
| 528 | } |
---|
| 529 | |
---|
| 530 | G4double crossSectionMaximum = 0.; |
---|
| 531 | |
---|
[1315] | 532 | for(G4double value=waterStructure.IonisationEnergy(shell); value<=5.*waterStructure.IonisationEnergy(shell) && k>=value ; value+=0.1*eV) |
---|
[1058] | 533 | { |
---|
| 534 | G4double differentialCrossSection = DifferentialCrossSection(particleDefinition, k, value, shell); |
---|
| 535 | if(differentialCrossSection >= crossSectionMaximum) crossSectionMaximum = differentialCrossSection; |
---|
| 536 | } |
---|
| 537 | |
---|
[1340] | 538 | |
---|
[1058] | 539 | G4double secElecKinetic = 0.; |
---|
| 540 | |
---|
| 541 | do |
---|
| 542 | { |
---|
| 543 | secElecKinetic = G4UniformRand() * maximumKineticEnergyTransfer; |
---|
| 544 | } while(G4UniformRand()*crossSectionMaximum > DifferentialCrossSection(particleDefinition, |
---|
| 545 | k, |
---|
| 546 | secElecKinetic+waterStructure.IonisationEnergy(shell), |
---|
| 547 | shell)); |
---|
| 548 | |
---|
| 549 | return(secElecKinetic); |
---|
| 550 | } |
---|
| 551 | |
---|
| 552 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 553 | |
---|
| 554 | |
---|
| 555 | void G4DNARuddIonisationModel::RandomizeEjectedElectronDirection(G4ParticleDefinition* particleDefinition, |
---|
| 556 | G4double k, |
---|
| 557 | G4double secKinetic, |
---|
| 558 | G4double & cosTheta, |
---|
| 559 | G4double & phi ) |
---|
| 560 | { |
---|
| 561 | G4DNAGenericIonsManager *instance; |
---|
| 562 | instance = G4DNAGenericIonsManager::Instance(); |
---|
| 563 | |
---|
| 564 | G4double maxSecKinetic = 0.; |
---|
| 565 | |
---|
| 566 | if (particleDefinition == G4Proton::ProtonDefinition() |
---|
| 567 | || particleDefinition == instance->GetIon("hydrogen")) |
---|
| 568 | { |
---|
| 569 | maxSecKinetic = 4.* (electron_mass_c2 / proton_mass_c2) * k; |
---|
| 570 | } |
---|
| 571 | |
---|
| 572 | if (particleDefinition == instance->GetIon("helium") |
---|
| 573 | || particleDefinition == instance->GetIon("alpha+") |
---|
| 574 | || particleDefinition == instance->GetIon("alpha++")) |
---|
| 575 | { |
---|
| 576 | maxSecKinetic = 4.* (0.511 / 3728) * k; |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | phi = twopi * G4UniformRand(); |
---|
[1340] | 580 | |
---|
| 581 | //cosTheta = std::sqrt(secKinetic / maxSecKinetic); |
---|
| 582 | |
---|
| 583 | // Restriction below 100 eV from Emfietzoglou (2000) |
---|
| 584 | |
---|
| 585 | if (secKinetic>100*eV) cosTheta = std::sqrt(secKinetic / maxSecKinetic); |
---|
| 586 | else cosTheta = (2.*G4UniformRand())-1.; |
---|
| 587 | |
---|
[1058] | 588 | } |
---|
| 589 | |
---|
| 590 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 591 | |
---|
| 592 | |
---|
| 593 | G4double G4DNARuddIonisationModel::DifferentialCrossSection(G4ParticleDefinition* particleDefinition, |
---|
| 594 | G4double k, |
---|
| 595 | G4double energyTransfer, |
---|
| 596 | G4int ionizationLevelIndex) |
---|
| 597 | { |
---|
| 598 | // Shells ids are 0 1 2 3 4 (4 is k shell) |
---|
| 599 | // !!Attention, "energyTransfer" here is the energy transfered to the electron which means |
---|
| 600 | // that the secondary kinetic energy is w = energyTransfer - bindingEnergy |
---|
| 601 | // |
---|
| 602 | // ds S F1(nu) + w * F2(nu) |
---|
| 603 | // ---- = G(k) * ---- ------------------------------------------- |
---|
| 604 | // dw Bj (1+w)^3 * [1 + exp{alpha * (w - wc) / nu}] |
---|
| 605 | // |
---|
| 606 | // w is the secondary electron kinetic Energy in eV |
---|
| 607 | // |
---|
| 608 | // All the other parameters can be found in Rudd's Papers |
---|
| 609 | // |
---|
| 610 | // M.Eugene Rudd, 1988, User-Friendly model for the energy distribution of |
---|
| 611 | // electrons from protons or electron collisions. Nucl. Tracks Rad. Meas.Vol 16 N0 2/3 pp 219-218 |
---|
| 612 | // |
---|
| 613 | |
---|
| 614 | const G4int j=ionizationLevelIndex; |
---|
| 615 | |
---|
| 616 | G4double A1 ; |
---|
| 617 | G4double B1 ; |
---|
| 618 | G4double C1 ; |
---|
| 619 | G4double D1 ; |
---|
| 620 | G4double E1 ; |
---|
| 621 | G4double A2 ; |
---|
| 622 | G4double B2 ; |
---|
| 623 | G4double C2 ; |
---|
| 624 | G4double D2 ; |
---|
| 625 | G4double alphaConst ; |
---|
| 626 | |
---|
[1340] | 627 | // const G4double Bj[5] = {12.61*eV, 14.73*eV, 18.55*eV, 32.20*eV, 539.7*eV}; |
---|
| 628 | // The following values are provided by M. dingfelder (priv. comm) |
---|
| 629 | const G4double Bj[5] = {12.60*eV, 14.70*eV, 18.40*eV, 32.20*eV, 540*eV}; |
---|
[1315] | 630 | |
---|
[1058] | 631 | if (j == 4) |
---|
| 632 | { |
---|
| 633 | //Data For Liquid Water K SHELL from Dingfelder (Protons in Water) |
---|
| 634 | A1 = 1.25; |
---|
| 635 | B1 = 0.5; |
---|
| 636 | C1 = 1.00; |
---|
| 637 | D1 = 1.00; |
---|
| 638 | E1 = 3.00; |
---|
| 639 | A2 = 1.10; |
---|
| 640 | B2 = 1.30; |
---|
| 641 | C2 = 1.00; |
---|
| 642 | D2 = 0.00; |
---|
| 643 | alphaConst = 0.66; |
---|
| 644 | } |
---|
| 645 | else |
---|
| 646 | { |
---|
| 647 | //Data For Liquid Water from Dingfelder (Protons in Water) |
---|
| 648 | A1 = 1.02; |
---|
| 649 | B1 = 82.0; |
---|
| 650 | C1 = 0.45; |
---|
| 651 | D1 = -0.80; |
---|
| 652 | E1 = 0.38; |
---|
| 653 | A2 = 1.07; |
---|
[1340] | 654 | // Value provided by M. Dingfelder (priv. comm) |
---|
| 655 | B2 = 11.6; |
---|
| 656 | // |
---|
[1058] | 657 | C2 = 0.60; |
---|
| 658 | D2 = 0.04; |
---|
| 659 | alphaConst = 0.64; |
---|
| 660 | } |
---|
| 661 | |
---|
| 662 | const G4double n = 2.; |
---|
| 663 | const G4double Gj[5] = {0.99, 1.11, 1.11, 0.52, 1.}; |
---|
| 664 | |
---|
| 665 | G4DNAGenericIonsManager* instance; |
---|
| 666 | instance = G4DNAGenericIonsManager::Instance(); |
---|
| 667 | |
---|
| 668 | G4double wBig = (energyTransfer - waterStructure.IonisationEnergy(ionizationLevelIndex)); |
---|
[1315] | 669 | if (wBig<0) return 0.; |
---|
| 670 | |
---|
| 671 | G4double w = wBig / Bj[ionizationLevelIndex]; |
---|
[1340] | 672 | // Note that the following (j==4) cases are provided by M. Dingfelder (priv. comm) |
---|
| 673 | if (j==4) w = wBig / waterStructure.IonisationEnergy(ionizationLevelIndex); |
---|
| 674 | |
---|
[1058] | 675 | G4double Ry = 13.6*eV; |
---|
| 676 | |
---|
| 677 | G4double tau = 0.; |
---|
| 678 | |
---|
| 679 | if (particleDefinition == G4Proton::ProtonDefinition() |
---|
| 680 | || particleDefinition == instance->GetIon("hydrogen")) |
---|
| 681 | { |
---|
| 682 | tau = (electron_mass_c2/proton_mass_c2) * k ; |
---|
| 683 | } |
---|
| 684 | |
---|
| 685 | if ( particleDefinition == instance->GetIon("helium") |
---|
| 686 | || particleDefinition == instance->GetIon("alpha+") |
---|
| 687 | || particleDefinition == instance->GetIon("alpha++")) |
---|
| 688 | { |
---|
| 689 | tau = (0.511/3728.) * k ; |
---|
| 690 | } |
---|
[1340] | 691 | |
---|
[1315] | 692 | G4double S = 4.*pi * Bohr_radius*Bohr_radius * n * std::pow((Ry/Bj[ionizationLevelIndex]),2); |
---|
[1340] | 693 | if (j==4) S = 4.*pi * Bohr_radius*Bohr_radius * n * std::pow((Ry/waterStructure.IonisationEnergy(ionizationLevelIndex)),2); |
---|
| 694 | |
---|
[1315] | 695 | G4double v2 = tau / Bj[ionizationLevelIndex]; |
---|
[1340] | 696 | if (j==4) v2 = tau / waterStructure.IonisationEnergy(ionizationLevelIndex); |
---|
| 697 | |
---|
[1058] | 698 | G4double v = std::sqrt(v2); |
---|
[1315] | 699 | G4double wc = 4.*v2 - 2.*v - (Ry/(4.*Bj[ionizationLevelIndex])); |
---|
[1340] | 700 | if (j==4) wc = 4.*v2 - 2.*v - (Ry/(4.*waterStructure.IonisationEnergy(ionizationLevelIndex))); |
---|
[1058] | 701 | |
---|
| 702 | G4double L1 = (C1* std::pow(v,(D1))) / (1.+ E1*std::pow(v, (D1+4.))); |
---|
| 703 | G4double L2 = C2*std::pow(v,(D2)); |
---|
| 704 | G4double H1 = (A1*std::log(1.+v2)) / (v2+(B1/v2)); |
---|
| 705 | G4double H2 = (A2/v2) + (B2/(v2*v2)); |
---|
| 706 | |
---|
| 707 | G4double F1 = L1+H1; |
---|
| 708 | G4double F2 = (L2*H2)/(L2+H2); |
---|
| 709 | |
---|
[1315] | 710 | G4double sigma = CorrectionFactor(particleDefinition, k) |
---|
| 711 | * Gj[j] * (S/Bj[ionizationLevelIndex]) |
---|
[1058] | 712 | * ( (F1+w*F2) / ( std::pow((1.+w),3) * ( 1.+std::exp(alphaConst*(w-wc)/v))) ); |
---|
| 713 | |
---|
[1340] | 714 | if (j==4) sigma = CorrectionFactor(particleDefinition, k) |
---|
| 715 | * Gj[j] * (S/waterStructure.IonisationEnergy(ionizationLevelIndex)) |
---|
| 716 | * ( (F1+w*F2) / ( std::pow((1.+w),3) * ( 1.+std::exp(alphaConst*(w-wc)/v))) ); |
---|
| 717 | |
---|
[1315] | 718 | if ( (particleDefinition == instance->GetIon("hydrogen")) && (ionizationLevelIndex==4)) |
---|
| 719 | |
---|
[1340] | 720 | // sigma = Gj[j] * (S/Bj[ionizationLevelIndex]) |
---|
| 721 | sigma = Gj[j] * (S/waterStructure.IonisationEnergy(ionizationLevelIndex)) |
---|
[1315] | 722 | * ( (F1+w*F2) / ( std::pow((1.+w),3) * ( 1.+std::exp(alphaConst*(w-wc)/v))) ); |
---|
| 723 | |
---|
[1058] | 724 | if ( particleDefinition == G4Proton::ProtonDefinition() |
---|
| 725 | || particleDefinition == instance->GetIon("hydrogen") |
---|
| 726 | ) |
---|
| 727 | { |
---|
| 728 | return(sigma); |
---|
| 729 | } |
---|
| 730 | |
---|
| 731 | if (particleDefinition == instance->GetIon("alpha++") ) |
---|
| 732 | { |
---|
| 733 | slaterEffectiveCharge[0]=0.; |
---|
| 734 | slaterEffectiveCharge[1]=0.; |
---|
| 735 | slaterEffectiveCharge[2]=0.; |
---|
| 736 | sCoefficient[0]=0.; |
---|
| 737 | sCoefficient[1]=0.; |
---|
| 738 | sCoefficient[2]=0.; |
---|
| 739 | } |
---|
| 740 | |
---|
| 741 | if (particleDefinition == instance->GetIon("alpha+") ) |
---|
| 742 | { |
---|
| 743 | slaterEffectiveCharge[0]=2.0; |
---|
[1340] | 744 | // The following values are provided by M. Dingfelder (priv. comm) |
---|
| 745 | slaterEffectiveCharge[1]=2.0; |
---|
| 746 | slaterEffectiveCharge[2]=2.0; |
---|
| 747 | // |
---|
[1058] | 748 | sCoefficient[0]=0.7; |
---|
| 749 | sCoefficient[1]=0.15; |
---|
| 750 | sCoefficient[2]=0.15; |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | if (particleDefinition == instance->GetIon("helium") ) |
---|
| 754 | { |
---|
| 755 | slaterEffectiveCharge[0]=1.7; |
---|
| 756 | slaterEffectiveCharge[1]=1.15; |
---|
| 757 | slaterEffectiveCharge[2]=1.15; |
---|
| 758 | sCoefficient[0]=0.5; |
---|
| 759 | sCoefficient[1]=0.25; |
---|
| 760 | sCoefficient[2]=0.25; |
---|
| 761 | } |
---|
| 762 | |
---|
| 763 | if ( particleDefinition == instance->GetIon("helium") |
---|
| 764 | || particleDefinition == instance->GetIon("alpha+") |
---|
| 765 | || particleDefinition == instance->GetIon("alpha++") |
---|
| 766 | ) |
---|
| 767 | { |
---|
[1315] | 768 | sigma = Gj[j] * (S/Bj[ionizationLevelIndex]) * ( (F1+w*F2) / ( std::pow((1.+w),3) * ( 1.+std::exp(alphaConst*(w-wc)/v))) ); |
---|
[1058] | 769 | |
---|
[1340] | 770 | if (j==4) sigma = Gj[j] * (S/waterStructure.IonisationEnergy(ionizationLevelIndex)) |
---|
| 771 | * ( (F1+w*F2) / ( std::pow((1.+w),3) * ( 1.+std::exp(alphaConst*(w-wc)/v))) ); |
---|
| 772 | |
---|
[1058] | 773 | G4double zEff = particleDefinition->GetPDGCharge() / eplus + particleDefinition->GetLeptonNumber(); |
---|
| 774 | |
---|
| 775 | zEff -= ( sCoefficient[0] * S_1s(k, energyTransfer, slaterEffectiveCharge[0], 1.) + |
---|
| 776 | sCoefficient[1] * S_2s(k, energyTransfer, slaterEffectiveCharge[1], 2.) + |
---|
| 777 | sCoefficient[2] * S_2p(k, energyTransfer, slaterEffectiveCharge[2], 2.) ); |
---|
| 778 | |
---|
| 779 | return zEff * zEff * sigma ; |
---|
| 780 | } |
---|
| 781 | |
---|
| 782 | return 0; |
---|
| 783 | } |
---|
| 784 | |
---|
| 785 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 786 | |
---|
| 787 | G4double G4DNARuddIonisationModel::S_1s(G4double t, |
---|
| 788 | G4double energyTransferred, |
---|
| 789 | G4double slaterEffectiveChg, |
---|
| 790 | G4double shellNumber) |
---|
| 791 | { |
---|
| 792 | // 1 - e^(-2r) * ( 1 + 2 r + 2 r^2) |
---|
| 793 | // Dingfelder, in Chattanooga 2005 proceedings, formula (7) |
---|
| 794 | |
---|
| 795 | G4double r = R(t, energyTransferred, slaterEffectiveChg, shellNumber); |
---|
| 796 | G4double value = 1. - std::exp(-2 * r) * ( ( 2. * r + 2. ) * r + 1. ); |
---|
| 797 | |
---|
| 798 | return value; |
---|
| 799 | } |
---|
| 800 | |
---|
| 801 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 802 | |
---|
| 803 | G4double G4DNARuddIonisationModel::S_2s(G4double t, |
---|
| 804 | G4double energyTransferred, |
---|
| 805 | G4double slaterEffectiveChg, |
---|
| 806 | G4double shellNumber) |
---|
| 807 | { |
---|
| 808 | // 1 - e^(-2 r) * ( 1 + 2 r + 2 r^2 + 2 r^4) |
---|
| 809 | // Dingfelder, in Chattanooga 2005 proceedings, formula (8) |
---|
| 810 | |
---|
| 811 | G4double r = R(t, energyTransferred, slaterEffectiveChg, shellNumber); |
---|
| 812 | G4double value = 1. - std::exp(-2 * r) * (((2. * r * r + 2.) * r + 2.) * r + 1.); |
---|
| 813 | |
---|
| 814 | return value; |
---|
| 815 | |
---|
| 816 | } |
---|
| 817 | |
---|
| 818 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 819 | |
---|
| 820 | G4double G4DNARuddIonisationModel::S_2p(G4double t, |
---|
| 821 | G4double energyTransferred, |
---|
| 822 | G4double slaterEffectiveChg, |
---|
| 823 | G4double shellNumber) |
---|
| 824 | { |
---|
| 825 | // 1 - e^(-2 r) * ( 1 + 2 r + 2 r^2 + 4/3 r^3 + 2/3 r^4) |
---|
| 826 | // Dingfelder, in Chattanooga 2005 proceedings, formula (9) |
---|
| 827 | |
---|
| 828 | G4double r = R(t, energyTransferred, slaterEffectiveChg, shellNumber); |
---|
| 829 | G4double value = 1. - std::exp(-2 * r) * (((( 2./3. * r + 4./3.) * r + 2.) * r + 2.) * r + 1.); |
---|
| 830 | |
---|
| 831 | return value; |
---|
| 832 | } |
---|
| 833 | |
---|
| 834 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 835 | |
---|
| 836 | G4double G4DNARuddIonisationModel::R(G4double t, |
---|
| 837 | G4double energyTransferred, |
---|
| 838 | G4double slaterEffectiveChg, |
---|
| 839 | G4double shellNumber) |
---|
| 840 | { |
---|
| 841 | // tElectron = m_electron / m_alpha * t |
---|
| 842 | // Dingfelder, in Chattanooga 2005 proceedings, p 4 |
---|
| 843 | |
---|
| 844 | G4double tElectron = 0.511/3728. * t; |
---|
[1340] | 845 | // The following values are provided by M. Dingfelder (priv. comm) |
---|
| 846 | G4double H = 2.*13.60569172 * eV; |
---|
| 847 | G4double value = std::sqrt ( 2. * tElectron / H ) / ( energyTransferred / H ) * (slaterEffectiveChg/shellNumber); |
---|
[1058] | 848 | |
---|
| 849 | return value; |
---|
| 850 | } |
---|
| 851 | |
---|
| 852 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 853 | |
---|
| 854 | G4double G4DNARuddIonisationModel::CorrectionFactor(G4ParticleDefinition* particleDefinition, G4double k) |
---|
| 855 | { |
---|
| 856 | G4DNAGenericIonsManager *instance; |
---|
| 857 | instance = G4DNAGenericIonsManager::Instance(); |
---|
| 858 | |
---|
| 859 | if (particleDefinition == G4Proton::Proton()) |
---|
| 860 | { |
---|
| 861 | return(1.); |
---|
| 862 | } |
---|
| 863 | else |
---|
| 864 | if (particleDefinition == instance->GetIon("hydrogen")) |
---|
| 865 | { |
---|
[1315] | 866 | G4double value = (std::log10(k/eV)-4.2)/0.5; |
---|
[1340] | 867 | // The following values are provided by M. Dingfelder (priv. comm) |
---|
| 868 | return((0.6/(1+std::exp(value))) + 0.9); |
---|
[1058] | 869 | } |
---|
| 870 | else |
---|
| 871 | { |
---|
| 872 | return(1.); |
---|
| 873 | } |
---|
| 874 | } |
---|
| 875 | |
---|
| 876 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 877 | |
---|
| 878 | G4int G4DNARuddIonisationModel::RandomSelect(G4double k, const G4String& particle ) |
---|
| 879 | { |
---|
| 880 | |
---|
| 881 | // BEGIN PART 1/2 OF ELECTRON CORRECTION |
---|
| 882 | |
---|
[1315] | 883 | // add ONE or TWO electron-water ionisation for alpha+ and helium |
---|
[1058] | 884 | |
---|
| 885 | G4DNAGenericIonsManager *instance; |
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| 886 | instance = G4DNAGenericIonsManager::Instance(); |
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| 887 | |
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| 888 | G4int level = 0; |
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| 889 | |
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| 890 | // Retrieve data table corresponding to the current particle type |
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| 891 | |
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| 892 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 893 | pos = tableData.find(particle); |
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| 894 | |
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| 895 | if (pos != tableData.end()) |
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| 896 | { |
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| 897 | G4DNACrossSectionDataSet* table = pos->second; |
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| 898 | |
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| 899 | if (table != 0) |
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| 900 | { |
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| 901 | G4double* valuesBuffer = new G4double[table->NumberOfComponents()]; |
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| 902 | |
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| 903 | const size_t n(table->NumberOfComponents()); |
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| 904 | size_t i(n); |
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| 905 | G4double value = 0.; |
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| 906 | |
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| 907 | while (i>0) |
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| 908 | { |
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| 909 | i--; |
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| 910 | valuesBuffer[i] = table->GetComponent(i)->FindValue(k); |
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| 911 | value += valuesBuffer[i]; |
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| 912 | } |
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| 913 | |
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| 914 | value *= G4UniformRand(); |
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| 915 | |
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| 916 | i = n; |
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| 917 | |
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| 918 | while (i > 0) |
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| 919 | { |
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| 920 | i--; |
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[1315] | 921 | |
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[1058] | 922 | |
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| 923 | if (valuesBuffer[i] > value) |
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| 924 | { |
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| 925 | delete[] valuesBuffer; |
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| 926 | return i; |
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| 927 | } |
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| 928 | value -= valuesBuffer[i]; |
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| 929 | } |
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| 930 | |
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| 931 | if (valuesBuffer) delete[] valuesBuffer; |
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| 932 | |
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| 933 | } |
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| 934 | } |
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| 935 | else |
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| 936 | { |
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| 937 | G4Exception("G4DNARuddIonisationModel::RandomSelect: attempting to calculate cross section for wrong particle"); |
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| 938 | } |
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[1315] | 939 | |
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[1058] | 940 | return level; |
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| 941 | } |
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| 942 | |
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| 943 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 944 | |
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| 945 | G4double G4DNARuddIonisationModel::PartialCrossSection(const G4Track& track ) |
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| 946 | { |
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| 947 | G4double sigma = 0.; |
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| 948 | |
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| 949 | const G4DynamicParticle* particle = track.GetDynamicParticle(); |
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| 950 | G4double k = particle->GetKineticEnergy(); |
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| 951 | |
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| 952 | G4double lowLim = 0; |
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| 953 | G4double highLim = 0; |
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| 954 | |
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| 955 | const G4String& particleName = particle->GetDefinition()->GetParticleName(); |
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| 956 | |
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| 957 | std::map< G4String,G4double,std::less<G4String> >::iterator pos1; |
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| 958 | pos1 = lowEnergyLimit.find(particleName); |
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| 959 | |
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| 960 | if (pos1 != lowEnergyLimit.end()) |
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| 961 | { |
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| 962 | lowLim = pos1->second; |
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| 963 | } |
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| 964 | |
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| 965 | std::map< G4String,G4double,std::less<G4String> >::iterator pos2; |
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| 966 | pos2 = highEnergyLimit.find(particleName); |
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| 967 | |
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| 968 | if (pos2 != highEnergyLimit.end()) |
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| 969 | { |
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| 970 | highLim = pos2->second; |
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| 971 | } |
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| 972 | |
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| 973 | if (k >= lowLim && k <= highLim) |
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| 974 | { |
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| 975 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 976 | pos = tableData.find(particleName); |
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| 977 | |
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| 978 | if (pos != tableData.end()) |
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| 979 | { |
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| 980 | G4DNACrossSectionDataSet* table = pos->second; |
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| 981 | if (table != 0) |
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| 982 | { |
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| 983 | sigma = table->FindValue(k); |
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| 984 | } |
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| 985 | } |
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| 986 | else |
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| 987 | { |
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| 988 | G4Exception("G4DNARuddIonisationModel::PartialCrossSection: attempting to calculate cross section for wrong particle"); |
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| 989 | } |
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| 990 | } |
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| 991 | |
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| 992 | return sigma; |
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| 993 | } |
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| 994 | |
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| 995 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 996 | |
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| 997 | G4double G4DNARuddIonisationModel::Sum(G4double /* energy */, const G4String& /* particle */) |
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| 998 | { |
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| 999 | return 0; |
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| 1000 | } |
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| 1001 | |
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