[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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[1315] | 26 | // $Id: G4DNABornExcitationModel.cc,v 1.9 2010/03/27 11:32:41 sincerti Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-04-beta-cand-01 $ |
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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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| 81 | // Energy limits |
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[1315] | 82 | // Energy limits |
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| 83 | |
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| 84 | G4String fileElectron("dna/sigma_excitation_e_born"); |
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| 85 | G4String fileProton("dna/sigma_excitation_p_born"); |
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| 86 | |
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| 87 | G4ParticleDefinition* electronDef = G4Electron::ElectronDefinition(); |
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| 88 | G4ParticleDefinition* protonDef = G4Proton::ProtonDefinition(); |
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| 89 | |
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| 90 | G4String electron; |
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| 91 | G4String proton; |
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[1058] | 92 | |
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[1315] | 93 | G4double scaleFactor = (1.e-22 / 3.343) * m*m; |
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| 94 | |
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| 95 | if (electronDef != 0) |
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[1058] | 96 | { |
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[1315] | 97 | electron = electronDef->GetParticleName(); |
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| 98 | |
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| 99 | tableFile[electron] = fileElectron; |
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| 100 | |
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| 101 | lowEnergyLimit[electron] = 9. * eV; |
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| 102 | highEnergyLimit[electron] = 1. * MeV; |
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| 103 | |
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| 104 | // Cross section |
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| 105 | |
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| 106 | G4DNACrossSectionDataSet* tableE = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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| 107 | tableE->LoadData(fileElectron); |
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| 108 | |
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| 109 | tableData[electron] = tableE; |
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| 110 | |
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[1058] | 111 | } |
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[1315] | 112 | else |
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| 113 | { |
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| 114 | G4Exception("G4DNABornExcitationModel::Initialise(): electron is not defined"); |
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| 115 | } |
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[1058] | 116 | |
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[1315] | 117 | if (protonDef != 0) |
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[1058] | 118 | { |
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[1315] | 119 | proton = protonDef->GetParticleName(); |
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| 120 | |
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| 121 | tableFile[proton] = fileProton; |
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| 122 | |
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| 123 | lowEnergyLimit[proton] = 500. * keV; |
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| 124 | highEnergyLimit[proton] = 100. * MeV; |
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| 125 | |
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| 126 | // Cross section |
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| 127 | |
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| 128 | G4DNACrossSectionDataSet* tableP = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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| 129 | tableP->LoadData(fileProton); |
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| 130 | |
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| 131 | tableData[proton] = tableP; |
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| 132 | |
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[1058] | 133 | } |
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[1315] | 134 | else |
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| 135 | { |
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| 136 | G4Exception("G4DNABornExcitationModel::Initialise(): proton is not defined"); |
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| 137 | } |
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[1058] | 138 | |
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[1315] | 139 | if (particle==electronDef) |
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[1058] | 140 | { |
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[1315] | 141 | SetLowEnergyLimit(lowEnergyLimit[electron]); |
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| 142 | SetHighEnergyLimit(highEnergyLimit[electron]); |
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[1058] | 143 | } |
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| 144 | |
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[1315] | 145 | if (particle==protonDef) |
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| 146 | { |
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| 147 | SetLowEnergyLimit(lowEnergyLimit[proton]); |
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| 148 | SetHighEnergyLimit(highEnergyLimit[proton]); |
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| 149 | } |
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| 150 | |
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[1192] | 151 | if( verboseLevel>0 ) |
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| 152 | { |
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| 153 | G4cout << "Born excitation model is initialized " << G4endl |
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| 154 | << "Energy range: " |
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[1315] | 155 | << LowEnergyLimit() / eV << " eV - " |
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| 156 | << HighEnergyLimit() / keV << " keV for " |
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| 157 | << particle->GetParticleName() |
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| 158 | << G4endl; |
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[1192] | 159 | } |
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| 160 | |
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[1315] | 161 | |
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[1058] | 162 | if(!isInitialised) |
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| 163 | { |
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| 164 | isInitialised = true; |
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| 165 | |
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| 166 | if(pParticleChange) |
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| 167 | fParticleChangeForGamma = reinterpret_cast<G4ParticleChangeForGamma*>(pParticleChange); |
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| 168 | else |
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| 169 | fParticleChangeForGamma = new G4ParticleChangeForGamma(); |
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| 170 | } |
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| 171 | |
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| 172 | // InitialiseElementSelectors(particle,cuts); |
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| 173 | |
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| 174 | } |
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| 175 | |
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| 176 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 177 | |
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[1315] | 178 | G4double G4DNABornExcitationModel::CrossSectionPerVolume(const G4Material* material, |
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[1058] | 179 | const G4ParticleDefinition* particleDefinition, |
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[1315] | 180 | G4double ekin, |
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[1058] | 181 | G4double, |
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| 182 | G4double) |
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| 183 | { |
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| 184 | if (verboseLevel > 3) |
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| 185 | G4cout << "Calling CrossSectionPerVolume() of G4DNABornExcitationModel" << G4endl; |
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| 186 | |
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[1315] | 187 | if ( |
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| 188 | particleDefinition != G4Proton::ProtonDefinition() |
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| 189 | && |
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| 190 | particleDefinition != G4Electron::ElectronDefinition() |
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| 191 | ) |
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| 192 | |
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| 193 | return 0; |
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| 194 | |
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[1058] | 195 | // Calculate total cross section for model |
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| 196 | |
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[1315] | 197 | G4double lowLim = 0; |
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| 198 | G4double highLim = 0; |
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| 199 | G4double sigma=0; |
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| 200 | |
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| 201 | if (material->GetName() == "G4_WATER") |
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[1058] | 202 | { |
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[1315] | 203 | const G4String& particleName = particleDefinition->GetParticleName(); |
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| 204 | |
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| 205 | std::map< G4String,G4double,std::less<G4String> >::iterator pos1; |
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| 206 | pos1 = lowEnergyLimit.find(particleName); |
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| 207 | if (pos1 != lowEnergyLimit.end()) |
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[1058] | 208 | { |
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[1315] | 209 | lowLim = pos1->second; |
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| 210 | } |
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| 211 | |
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| 212 | std::map< G4String,G4double,std::less<G4String> >::iterator pos2; |
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| 213 | pos2 = highEnergyLimit.find(particleName); |
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| 214 | if (pos2 != highEnergyLimit.end()) |
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| 215 | { |
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| 216 | highLim = pos2->second; |
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| 217 | } |
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| 218 | |
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| 219 | if (ekin >= lowLim && ekin < highLim) |
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| 220 | { |
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| 221 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 222 | pos = tableData.find(particleName); |
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| 223 | |
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| 224 | if (pos != tableData.end()) |
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[1058] | 225 | { |
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[1315] | 226 | G4DNACrossSectionDataSet* table = pos->second; |
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| 227 | if (table != 0) |
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| 228 | { |
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| 229 | sigma = table->FindValue(ekin); |
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| 230 | } |
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[1058] | 231 | } |
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[1315] | 232 | else |
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[1058] | 233 | { |
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[1315] | 234 | G4Exception("G4DNABornExcitationModel::CrossSectionPerVolume: attempting to calculate cross section for wrong particle"); |
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| 235 | } |
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[1058] | 236 | } |
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| 237 | |
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[1315] | 238 | if (verboseLevel > 3) |
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| 239 | { |
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| 240 | G4cout << "---> Kinetic energy(eV)=" << ekin/eV << G4endl; |
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| 241 | G4cout << " - Cross section per water molecule (cm^2)=" << sigma/cm/cm << G4endl; |
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| 242 | G4cout << " - Cross section per water molecule (cm^-1)=" << sigma*material->GetAtomicNumDensityVector()[1]/(1./cm) << G4endl; |
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| 243 | } |
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| 244 | |
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| 245 | } // if (waterMaterial) |
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| 246 | |
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| 247 | return sigma*material->GetAtomicNumDensityVector()[1]; |
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| 248 | |
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[1058] | 249 | |
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| 250 | } |
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| 251 | |
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| 252 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 253 | |
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| 254 | void G4DNABornExcitationModel::SampleSecondaries(std::vector<G4DynamicParticle*>* /*fvect*/, |
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| 255 | const G4MaterialCutsCouple* /*couple*/, |
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| 256 | const G4DynamicParticle* aDynamicParticle, |
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| 257 | G4double, |
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| 258 | G4double) |
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| 259 | { |
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| 260 | |
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| 261 | if (verboseLevel > 3) |
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| 262 | G4cout << "Calling SampleSecondaries() of G4DNABornExcitationModel" << G4endl; |
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| 263 | |
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| 264 | G4double k = aDynamicParticle->GetKineticEnergy(); |
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| 265 | |
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[1315] | 266 | const G4String& particleName = aDynamicParticle->GetDefinition()->GetParticleName(); |
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| 267 | |
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| 268 | G4int level = RandomSelect(k,particleName); |
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[1058] | 269 | G4double excitationEnergy = waterStructure.ExcitationEnergy(level); |
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| 270 | G4double newEnergy = k - excitationEnergy; |
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| 271 | |
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| 272 | if (newEnergy > 0) |
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| 273 | { |
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| 274 | fParticleChangeForGamma->ProposeMomentumDirection(aDynamicParticle->GetMomentumDirection()); |
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| 275 | fParticleChangeForGamma->SetProposedKineticEnergy(newEnergy); |
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| 276 | fParticleChangeForGamma->ProposeLocalEnergyDeposit(excitationEnergy); |
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| 277 | } |
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| 278 | |
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| 279 | } |
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| 280 | |
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| 281 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 282 | |
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[1315] | 283 | G4int G4DNABornExcitationModel::RandomSelect(G4double k, const G4String& particle) |
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[1058] | 284 | { |
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| 285 | G4int level = 0; |
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| 286 | |
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[1315] | 287 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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| 288 | pos = tableData.find(particle); |
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[1058] | 289 | |
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[1315] | 290 | if (pos != tableData.end()) |
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[1058] | 291 | { |
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[1315] | 292 | G4DNACrossSectionDataSet* table = pos->second; |
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| 293 | |
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| 294 | if (table != 0) |
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[1058] | 295 | { |
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[1315] | 296 | G4double* valuesBuffer = new G4double[table->NumberOfComponents()]; |
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| 297 | const size_t n(table->NumberOfComponents()); |
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| 298 | size_t i(n); |
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| 299 | G4double value = 0.; |
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| 300 | |
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| 301 | while (i>0) |
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| 302 | { |
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| 303 | i--; |
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| 304 | valuesBuffer[i] = table->GetComponent(i)->FindValue(k); |
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| 305 | value += valuesBuffer[i]; |
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| 306 | } |
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| 307 | |
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| 308 | value *= G4UniformRand(); |
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| 309 | |
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| 310 | i = n; |
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| 311 | |
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| 312 | while (i > 0) |
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| 313 | { |
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| 314 | i--; |
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| 315 | |
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| 316 | if (valuesBuffer[i] > value) |
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| 317 | { |
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| 318 | delete[] valuesBuffer; |
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| 319 | return i; |
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| 320 | } |
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| 321 | value -= valuesBuffer[i]; |
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| 322 | } |
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| 323 | |
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| 324 | if (valuesBuffer) delete[] valuesBuffer; |
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| 325 | |
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[1058] | 326 | } |
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| 327 | } |
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[1315] | 328 | else |
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| 329 | { |
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| 330 | G4Exception("G4DNABornExcitationModel::RandomSelect attempting to calculate cross section for wrong particle"); |
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| 331 | } |
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[1058] | 332 | return level; |
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| 333 | } |
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| 334 | |
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| 335 | |
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