[1058] | 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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[1340] | 26 | // $Id: G4DNABornExcitationModel.cc,v 1.10 2010/08/24 13:51:06 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 "G4DNABornExcitationModel.hh" |
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| 31 | |
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| 32 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 33 | |
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| 34 | using namespace std; |
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| 35 | |
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| 36 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 37 | |
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| 38 | G4DNABornExcitationModel::G4DNABornExcitationModel(const G4ParticleDefinition*, |
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| 39 | const G4String& nam) |
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| 40 | :G4VEmModel(nam),isInitialised(false) |
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| 41 | { |
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| 42 | verboseLevel= 0; |
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| 43 | // Verbosity scale: |
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| 44 | // 0 = nothing |
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| 45 | // 1 = warning for energy non-conservation |
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| 46 | // 2 = details of energy budget |
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| 47 | // 3 = calculation of cross sections, file openings, sampling of atoms |
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| 48 | // 4 = entering in methods |
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| 49 | |
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[1192] | 50 | if( verboseLevel>0 ) |
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| 51 | { |
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[1315] | 52 | G4cout << "Born excitation model is constructed " << G4endl; |
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[1192] | 53 | } |
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| 54 | |
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[1058] | 55 | } |
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| 56 | |
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| 57 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 58 | |
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| 59 | G4DNABornExcitationModel::~G4DNABornExcitationModel() |
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| 60 | { |
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| 61 | // Cross section |
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[1315] | 62 | |
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| 63 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 64 | for (pos = tableData.begin(); pos != tableData.end(); ++pos) |
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| 65 | { |
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| 66 | G4DNACrossSectionDataSet* table = pos->second; |
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| 67 | delete table; |
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| 68 | } |
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| 69 | |
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[1058] | 70 | } |
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| 71 | |
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| 72 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 73 | |
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[1315] | 74 | void G4DNABornExcitationModel::Initialise(const G4ParticleDefinition* particle, |
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[1058] | 75 | const G4DataVector& /*cuts*/) |
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| 76 | { |
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| 77 | |
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| 78 | if (verboseLevel > 3) |
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| 79 | G4cout << "Calling G4DNABornExcitationModel::Initialise()" << G4endl; |
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| 80 | |
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[1315] | 81 | G4String fileElectron("dna/sigma_excitation_e_born"); |
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| 82 | G4String fileProton("dna/sigma_excitation_p_born"); |
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| 83 | |
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| 84 | G4ParticleDefinition* electronDef = G4Electron::ElectronDefinition(); |
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| 85 | G4ParticleDefinition* protonDef = G4Proton::ProtonDefinition(); |
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| 86 | |
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| 87 | G4String electron; |
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| 88 | G4String proton; |
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[1058] | 89 | |
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[1315] | 90 | G4double scaleFactor = (1.e-22 / 3.343) * m*m; |
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| 91 | |
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| 92 | if (electronDef != 0) |
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[1058] | 93 | { |
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[1315] | 94 | electron = electronDef->GetParticleName(); |
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| 95 | |
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| 96 | tableFile[electron] = fileElectron; |
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| 97 | |
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| 98 | lowEnergyLimit[electron] = 9. * eV; |
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| 99 | highEnergyLimit[electron] = 1. * MeV; |
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| 100 | |
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| 101 | // Cross section |
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| 102 | |
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| 103 | G4DNACrossSectionDataSet* tableE = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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| 104 | tableE->LoadData(fileElectron); |
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| 105 | |
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| 106 | tableData[electron] = tableE; |
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| 107 | |
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[1058] | 108 | } |
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[1315] | 109 | else |
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| 110 | { |
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| 111 | G4Exception("G4DNABornExcitationModel::Initialise(): electron is not defined"); |
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| 112 | } |
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[1058] | 113 | |
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[1315] | 114 | if (protonDef != 0) |
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[1058] | 115 | { |
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[1315] | 116 | proton = protonDef->GetParticleName(); |
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| 117 | |
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| 118 | tableFile[proton] = fileProton; |
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| 119 | |
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| 120 | lowEnergyLimit[proton] = 500. * keV; |
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| 121 | highEnergyLimit[proton] = 100. * MeV; |
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| 122 | |
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| 123 | // Cross section |
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| 124 | |
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| 125 | G4DNACrossSectionDataSet* tableP = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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| 126 | tableP->LoadData(fileProton); |
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| 127 | |
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| 128 | tableData[proton] = tableP; |
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| 129 | |
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[1058] | 130 | } |
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[1315] | 131 | else |
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| 132 | { |
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| 133 | G4Exception("G4DNABornExcitationModel::Initialise(): proton is not defined"); |
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| 134 | } |
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[1058] | 135 | |
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[1315] | 136 | if (particle==electronDef) |
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[1058] | 137 | { |
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[1315] | 138 | SetLowEnergyLimit(lowEnergyLimit[electron]); |
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| 139 | SetHighEnergyLimit(highEnergyLimit[electron]); |
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[1058] | 140 | } |
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| 141 | |
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[1315] | 142 | if (particle==protonDef) |
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| 143 | { |
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| 144 | SetLowEnergyLimit(lowEnergyLimit[proton]); |
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| 145 | SetHighEnergyLimit(highEnergyLimit[proton]); |
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| 146 | } |
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| 147 | |
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[1192] | 148 | if( verboseLevel>0 ) |
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| 149 | { |
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| 150 | G4cout << "Born excitation model is initialized " << G4endl |
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| 151 | << "Energy range: " |
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[1315] | 152 | << LowEnergyLimit() / eV << " eV - " |
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| 153 | << HighEnergyLimit() / keV << " keV for " |
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| 154 | << particle->GetParticleName() |
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| 155 | << G4endl; |
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[1192] | 156 | } |
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| 157 | |
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[1315] | 158 | |
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[1058] | 159 | if(!isInitialised) |
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| 160 | { |
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| 161 | isInitialised = true; |
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| 162 | |
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| 163 | if(pParticleChange) |
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| 164 | fParticleChangeForGamma = reinterpret_cast<G4ParticleChangeForGamma*>(pParticleChange); |
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| 165 | else |
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| 166 | fParticleChangeForGamma = new G4ParticleChangeForGamma(); |
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| 167 | } |
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| 168 | |
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| 169 | // InitialiseElementSelectors(particle,cuts); |
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| 170 | |
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| 171 | } |
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| 172 | |
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| 173 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 174 | |
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[1315] | 175 | G4double G4DNABornExcitationModel::CrossSectionPerVolume(const G4Material* material, |
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[1058] | 176 | const G4ParticleDefinition* particleDefinition, |
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[1315] | 177 | G4double ekin, |
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[1058] | 178 | G4double, |
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| 179 | G4double) |
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| 180 | { |
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| 181 | if (verboseLevel > 3) |
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| 182 | G4cout << "Calling CrossSectionPerVolume() of G4DNABornExcitationModel" << G4endl; |
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| 183 | |
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[1315] | 184 | if ( |
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| 185 | particleDefinition != G4Proton::ProtonDefinition() |
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| 186 | && |
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| 187 | particleDefinition != G4Electron::ElectronDefinition() |
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| 188 | ) |
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| 189 | |
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| 190 | return 0; |
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| 191 | |
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[1058] | 192 | // Calculate total cross section for model |
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| 193 | |
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[1315] | 194 | G4double lowLim = 0; |
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| 195 | G4double highLim = 0; |
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| 196 | G4double sigma=0; |
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| 197 | |
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| 198 | if (material->GetName() == "G4_WATER") |
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[1058] | 199 | { |
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[1315] | 200 | const G4String& particleName = particleDefinition->GetParticleName(); |
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| 201 | |
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| 202 | std::map< G4String,G4double,std::less<G4String> >::iterator pos1; |
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| 203 | pos1 = lowEnergyLimit.find(particleName); |
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| 204 | if (pos1 != lowEnergyLimit.end()) |
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[1058] | 205 | { |
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[1315] | 206 | lowLim = pos1->second; |
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| 207 | } |
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| 208 | |
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| 209 | std::map< G4String,G4double,std::less<G4String> >::iterator pos2; |
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| 210 | pos2 = highEnergyLimit.find(particleName); |
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| 211 | if (pos2 != highEnergyLimit.end()) |
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| 212 | { |
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| 213 | highLim = pos2->second; |
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| 214 | } |
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| 215 | |
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| 216 | if (ekin >= lowLim && ekin < highLim) |
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| 217 | { |
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| 218 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 219 | pos = tableData.find(particleName); |
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| 220 | |
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| 221 | if (pos != tableData.end()) |
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[1058] | 222 | { |
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[1315] | 223 | G4DNACrossSectionDataSet* table = pos->second; |
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| 224 | if (table != 0) |
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| 225 | { |
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| 226 | sigma = table->FindValue(ekin); |
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| 227 | } |
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[1058] | 228 | } |
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[1315] | 229 | else |
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[1058] | 230 | { |
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[1315] | 231 | G4Exception("G4DNABornExcitationModel::CrossSectionPerVolume: attempting to calculate cross section for wrong particle"); |
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| 232 | } |
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[1058] | 233 | } |
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| 234 | |
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[1315] | 235 | if (verboseLevel > 3) |
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| 236 | { |
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| 237 | G4cout << "---> Kinetic energy(eV)=" << ekin/eV << G4endl; |
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| 238 | G4cout << " - Cross section per water molecule (cm^2)=" << sigma/cm/cm << G4endl; |
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| 239 | G4cout << " - Cross section per water molecule (cm^-1)=" << sigma*material->GetAtomicNumDensityVector()[1]/(1./cm) << G4endl; |
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| 240 | } |
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| 241 | |
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| 242 | } // if (waterMaterial) |
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| 243 | |
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| 244 | return sigma*material->GetAtomicNumDensityVector()[1]; |
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| 245 | |
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[1058] | 246 | |
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| 247 | } |
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| 248 | |
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| 249 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 250 | |
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| 251 | void G4DNABornExcitationModel::SampleSecondaries(std::vector<G4DynamicParticle*>* /*fvect*/, |
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| 252 | const G4MaterialCutsCouple* /*couple*/, |
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| 253 | const G4DynamicParticle* aDynamicParticle, |
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| 254 | G4double, |
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| 255 | G4double) |
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| 256 | { |
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| 257 | |
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| 258 | if (verboseLevel > 3) |
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| 259 | G4cout << "Calling SampleSecondaries() of G4DNABornExcitationModel" << G4endl; |
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| 260 | |
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| 261 | G4double k = aDynamicParticle->GetKineticEnergy(); |
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| 262 | |
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[1315] | 263 | const G4String& particleName = aDynamicParticle->GetDefinition()->GetParticleName(); |
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| 264 | |
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| 265 | G4int level = RandomSelect(k,particleName); |
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[1058] | 266 | G4double excitationEnergy = waterStructure.ExcitationEnergy(level); |
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| 267 | G4double newEnergy = k - excitationEnergy; |
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| 268 | |
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| 269 | if (newEnergy > 0) |
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| 270 | { |
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| 271 | fParticleChangeForGamma->ProposeMomentumDirection(aDynamicParticle->GetMomentumDirection()); |
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| 272 | fParticleChangeForGamma->SetProposedKineticEnergy(newEnergy); |
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| 273 | fParticleChangeForGamma->ProposeLocalEnergyDeposit(excitationEnergy); |
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| 274 | } |
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| 275 | |
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| 276 | } |
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| 277 | |
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| 278 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 279 | |
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[1315] | 280 | G4int G4DNABornExcitationModel::RandomSelect(G4double k, const G4String& particle) |
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[1058] | 281 | { |
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| 282 | G4int level = 0; |
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| 283 | |
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[1315] | 284 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 285 | pos = tableData.find(particle); |
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[1058] | 286 | |
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[1315] | 287 | if (pos != tableData.end()) |
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[1058] | 288 | { |
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[1315] | 289 | G4DNACrossSectionDataSet* table = pos->second; |
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| 290 | |
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| 291 | if (table != 0) |
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[1058] | 292 | { |
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[1315] | 293 | G4double* valuesBuffer = new G4double[table->NumberOfComponents()]; |
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| 294 | const size_t n(table->NumberOfComponents()); |
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| 295 | size_t i(n); |
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| 296 | G4double value = 0.; |
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| 297 | |
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| 298 | while (i>0) |
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| 299 | { |
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| 300 | i--; |
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| 301 | valuesBuffer[i] = table->GetComponent(i)->FindValue(k); |
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| 302 | value += valuesBuffer[i]; |
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| 303 | } |
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| 304 | |
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| 305 | value *= G4UniformRand(); |
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| 306 | |
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| 307 | i = n; |
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| 308 | |
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| 309 | while (i > 0) |
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| 310 | { |
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| 311 | i--; |
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| 312 | |
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| 313 | if (valuesBuffer[i] > value) |
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| 314 | { |
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| 315 | delete[] valuesBuffer; |
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| 316 | return i; |
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| 317 | } |
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| 318 | value -= valuesBuffer[i]; |
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| 319 | } |
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| 320 | |
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| 321 | if (valuesBuffer) delete[] valuesBuffer; |
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| 322 | |
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[1058] | 323 | } |
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| 324 | } |
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[1315] | 325 | else |
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| 326 | { |
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| 327 | G4Exception("G4DNABornExcitationModel::RandomSelect attempting to calculate cross section for wrong particle"); |
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| 328 | } |
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[1058] | 329 | return level; |
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| 330 | } |
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| 331 | |
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| 332 | |
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