[1350] | 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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| 26 | // $Id: G4DNAMeltonAttachmentModel.cc,v 1.2 2010/09/15 05:47:33 sincerti Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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| 28 | // |
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| 29 | |
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| 30 | // Created by Z. Francis |
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| 31 | |
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| 32 | #include "G4DNAMeltonAttachmentModel.hh" |
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| 33 | |
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| 34 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 35 | |
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| 36 | using namespace std; |
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| 37 | |
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| 38 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 39 | |
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| 40 | G4DNAMeltonAttachmentModel::G4DNAMeltonAttachmentModel(const G4ParticleDefinition*, |
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| 41 | const G4String& nam) |
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| 42 | :G4VEmModel(nam),isInitialised(false) |
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| 43 | { |
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| 44 | |
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| 45 | lowEnergyLimit = 4 * eV; |
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| 46 | lowEnergyLimitOfModel = 4 * eV; |
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| 47 | highEnergyLimit = 13 * eV; |
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| 48 | SetLowEnergyLimit(lowEnergyLimit); |
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| 49 | SetHighEnergyLimit(highEnergyLimit); |
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| 50 | |
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| 51 | verboseLevel= 0; |
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| 52 | // Verbosity scale: |
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| 53 | // 0 = nothing |
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| 54 | // 1 = warning for energy non-conservation |
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| 55 | // 2 = details of energy budget |
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| 56 | // 3 = calculation of cross sections, file openings, sampling of atoms |
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| 57 | // 4 = entering in methods |
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| 58 | |
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| 59 | if( verboseLevel>0 ) |
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| 60 | { |
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| 61 | G4cout << "Melton Attachment model is constructed " << G4endl |
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| 62 | << "Energy range: " |
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| 63 | << lowEnergyLimit / eV << " eV - " |
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| 64 | << highEnergyLimit / eV << " eV" |
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| 65 | << G4endl; |
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| 66 | } |
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| 67 | } |
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| 68 | |
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| 69 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 70 | |
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| 71 | G4DNAMeltonAttachmentModel::~G4DNAMeltonAttachmentModel() |
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| 72 | { |
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| 73 | // For total cross section |
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| 74 | |
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| 75 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 76 | |
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| 77 | for (pos = tableData.begin(); pos != tableData.end(); ++pos) |
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| 78 | { |
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| 79 | G4DNACrossSectionDataSet* table = pos->second; |
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| 80 | delete table; |
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| 81 | } |
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| 82 | |
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| 83 | // For final state |
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| 84 | |
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| 85 | } |
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| 86 | |
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| 87 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 88 | |
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| 89 | void G4DNAMeltonAttachmentModel::Initialise(const G4ParticleDefinition* /*particle*/, |
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| 90 | const G4DataVector& /*cuts*/) |
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| 91 | { |
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| 92 | |
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| 93 | if (verboseLevel > 3) |
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| 94 | G4cout << "Calling G4DNAMeltonAttachmentModel::Initialise()" << G4endl; |
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| 95 | |
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| 96 | // Energy limits |
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| 97 | |
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| 98 | if (LowEnergyLimit() < lowEnergyLimit) |
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| 99 | { |
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| 100 | G4cout << "G4DNAMeltonAttachmentModel: low energy limit increased from " << |
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| 101 | LowEnergyLimit()/eV << " eV to " << lowEnergyLimit/eV << " eV" << G4endl; |
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| 102 | SetLowEnergyLimit(lowEnergyLimit); |
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| 103 | } |
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| 104 | |
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| 105 | if (HighEnergyLimit() > highEnergyLimit) |
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| 106 | { |
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| 107 | G4cout << "G4DNAMeltonAttachmentModel: high energy limit decreased from " << |
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| 108 | HighEnergyLimit()/eV << " eV to " << highEnergyLimit/eV << " eV" << G4endl; |
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| 109 | SetHighEnergyLimit(highEnergyLimit); |
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| 110 | } |
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| 111 | |
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| 112 | // Reading of data files |
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| 113 | |
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| 114 | G4double scaleFactor = 1e-18*cm*cm; |
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| 115 | |
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| 116 | G4String fileElectron("dna/sigma_attachment_e_melton"); |
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| 117 | |
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| 118 | G4ParticleDefinition* electronDef = G4Electron::ElectronDefinition(); |
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| 119 | G4String electron; |
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| 120 | |
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| 121 | if (electronDef != 0) |
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| 122 | { |
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| 123 | // For total cross section |
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| 124 | |
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| 125 | electron = electronDef->GetParticleName(); |
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| 126 | |
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| 127 | tableFile[electron] = fileElectron; |
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| 128 | |
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| 129 | G4DNACrossSectionDataSet* tableE = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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| 130 | tableE->LoadData(fileElectron); |
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| 131 | tableData[electron] = tableE; |
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| 132 | |
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| 133 | } |
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| 134 | else G4Exception("G4DNAMeltonAttachmentModel::Initialise: electron is not defined"); |
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| 135 | |
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| 136 | if (verboseLevel > 2) |
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| 137 | G4cout << "Loaded cross section data for Melton Attachment model" << G4endl; |
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| 138 | |
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| 139 | if( verboseLevel>0 ) |
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| 140 | { |
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| 141 | G4cout << "Melton Attachment model is initialized " << G4endl |
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| 142 | << "Energy range: " |
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| 143 | << LowEnergyLimit() / eV << " eV - " |
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| 144 | << HighEnergyLimit() / eV << " eV" |
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| 145 | << G4endl; |
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| 146 | } |
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| 147 | |
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| 148 | if(!isInitialised) |
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| 149 | { |
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| 150 | isInitialised = true; |
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| 151 | |
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| 152 | if(pParticleChange) |
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| 153 | fParticleChangeForGamma = reinterpret_cast<G4ParticleChangeForGamma*>(pParticleChange); |
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| 154 | else |
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| 155 | fParticleChangeForGamma = new G4ParticleChangeForGamma(); |
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| 156 | } |
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| 157 | |
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| 158 | } |
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| 159 | |
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| 160 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 161 | |
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| 162 | G4double G4DNAMeltonAttachmentModel::CrossSectionPerVolume(const G4Material* material, |
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| 163 | const G4ParticleDefinition* p, |
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| 164 | G4double ekin, |
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| 165 | G4double, |
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| 166 | G4double) |
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| 167 | { |
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| 168 | if (verboseLevel > 3) |
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| 169 | G4cout << "Calling CrossSectionPerVolume() of G4DNAMeltonAttachmentModel" << G4endl; |
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| 170 | |
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| 171 | // Calculate total cross section for model |
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| 172 | |
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| 173 | G4double sigma=0; |
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| 174 | |
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| 175 | if (material->GetName() == "G4_WATER") |
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| 176 | { |
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| 177 | const G4String& particleName = p->GetParticleName(); |
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| 178 | |
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| 179 | if (ekin >= lowEnergyLimit && ekin < highEnergyLimit) |
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| 180 | { |
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| 181 | |
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| 182 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 183 | pos = tableData.find(particleName); |
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| 184 | |
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| 185 | if (pos != tableData.end()) |
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| 186 | { |
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| 187 | G4DNACrossSectionDataSet* table = pos->second; |
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| 188 | if (table != 0) |
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| 189 | { |
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| 190 | sigma = table->FindValue(ekin); |
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| 191 | } |
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| 192 | } |
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| 193 | else |
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| 194 | { |
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| 195 | G4Exception("G4DNAMeltonAttachmentModel::ComputeCrossSectionPerVolume: attempting to calculate cross section for wrong particle"); |
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| 196 | } |
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| 197 | } |
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| 198 | |
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| 199 | if (verboseLevel > 3) |
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| 200 | { |
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| 201 | G4cout << "---> Kinetic energy(eV)=" << ekin/eV << G4endl; |
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| 202 | G4cout << " - Cross section per water molecule (cm^2)=" << sigma/cm/cm << G4endl; |
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| 203 | G4cout << " - Cross section per water molecule (cm^-1)=" << sigma*material->GetAtomicNumDensityVector()[1]/(1./cm) << G4endl; |
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| 204 | } |
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| 205 | |
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| 206 | } // if water |
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| 207 | |
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| 208 | return sigma*material->GetAtomicNumDensityVector()[1]; |
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| 209 | } |
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| 210 | |
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| 211 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 212 | |
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| 213 | void G4DNAMeltonAttachmentModel::SampleSecondaries(std::vector<G4DynamicParticle*>* /*fvect*/, |
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| 214 | const G4MaterialCutsCouple* /*couple*/, |
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| 215 | const G4DynamicParticle* aDynamicElectron, |
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| 216 | G4double, |
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| 217 | G4double) |
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| 218 | { |
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| 219 | |
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| 220 | if (verboseLevel > 3) |
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| 221 | G4cout << "Calling SampleSecondaries() of G4DNAMeltonAttachmentModel" << G4endl; |
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| 222 | |
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| 223 | // Electron is killed |
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| 224 | |
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| 225 | G4double electronEnergy0 = aDynamicElectron->GetKineticEnergy(); |
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| 226 | fParticleChangeForGamma->ProposeTrackStatus(fStopAndKill); |
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| 227 | fParticleChangeForGamma->ProposeLocalEnergyDeposit(electronEnergy0); |
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| 228 | |
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| 229 | return ; |
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| 230 | } |
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