[807] | 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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[1230] | 26 | // $Id: RunAction.cc,v 1.10 2007/12/17 17:22:44 maire Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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[807] | 28 | // |
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| 29 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 31 | |
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| 32 | #include "RunAction.hh" |
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| 33 | #include "DetectorConstruction.hh" |
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| 34 | #include "PrimaryGeneratorAction.hh" |
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| 35 | |
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| 36 | #include "G4Run.hh" |
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| 37 | #include "G4ProcessManager.hh" |
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| 38 | #include "G4UnitsTable.hh" |
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| 39 | #include "G4EmCalculator.hh" |
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| 40 | #include "G4Electron.hh" |
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| 41 | |
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| 42 | #include <vector> |
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| 43 | |
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| 44 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 45 | |
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| 46 | RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* kin) |
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| 47 | :detector(det), primary(kin) |
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| 48 | { } |
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| 49 | |
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| 50 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 51 | |
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| 52 | RunAction::~RunAction() |
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| 53 | { } |
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| 54 | |
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| 55 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 56 | |
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| 57 | void RunAction::BeginOfRunAction(const G4Run*) |
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| 58 | { |
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| 59 | //set precision for printing |
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| 60 | G4int prec = G4cout.precision(6); |
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[1230] | 61 | |
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| 62 | //instanciate EmCalculator |
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| 63 | G4EmCalculator emCal; |
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| 64 | // emCal.SetVerbose(2); |
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| 65 | |
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[807] | 66 | // get particle |
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| 67 | G4ParticleDefinition* particle = primary->GetParticleGun() |
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| 68 | ->GetParticleDefinition(); |
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| 69 | G4String partName = particle->GetParticleName(); |
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| 70 | G4double charge = particle->GetPDGCharge(); |
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| 71 | G4double energy = primary->GetParticleGun()->GetParticleEnergy(); |
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| 72 | |
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| 73 | // get material |
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| 74 | G4Material* material = detector->GetMaterial(); |
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| 75 | G4String matName = material->GetName(); |
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| 76 | G4double density = material->GetDensity(); |
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| 77 | G4double radl = material->GetRadlen(); |
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| 78 | |
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| 79 | G4cout << "\n " << partName << " (" |
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| 80 | << G4BestUnit(energy,"Energy") << ") in " |
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| 81 | << material->GetName() << " (density: " |
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| 82 | << G4BestUnit(density,"Volumic Mass") << "; radiation length: " |
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[1230] | 83 | << G4BestUnit(radl, "Length") << ")" << G4endl; |
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[807] | 84 | |
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| 85 | // get cuts |
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| 86 | GetCuts(); |
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| 87 | if (charge != 0.) { |
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| 88 | G4cout << "\n Range cuts : \t gamma " |
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| 89 | << std::setw(8) << G4BestUnit(rangeCut[0],"Length") |
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| 90 | << "\t e- " << std::setw(8) << G4BestUnit(rangeCut[1],"Length"); |
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| 91 | G4cout << "\n Energy cuts : \t gamma " |
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| 92 | << std::setw(8) << G4BestUnit(energyCut[0],"Energy") |
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| 93 | << "\t e- " << std::setw(8) << G4BestUnit(energyCut[1],"Energy") |
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| 94 | << G4endl; |
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| 95 | } |
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[1230] | 96 | |
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| 97 | // max energy transfert |
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| 98 | if (charge != 0.) { |
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| 99 | G4double Mass_c2 = particle->GetPDGMass(); |
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| 100 | G4double moverM = electron_mass_c2/Mass_c2; |
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| 101 | G4double gamM1 = energy/Mass_c2, gam = gamM1 + 1., gamP1 = gam + 1.; |
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| 102 | G4double Tmax = |
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| 103 | (2*electron_mass_c2*gamM1*gamP1)/(1.+2*gam*moverM+moverM*moverM); |
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| 104 | G4double range = emCal.GetCSDARange(Tmax,G4Electron::Electron(),material); |
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| 105 | |
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| 106 | G4cout << "\n Max_energy _transferable : " << G4BestUnit(Tmax,"Energy") |
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| 107 | << " (" << G4BestUnit(range,"Length") << ")" << G4endl; |
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| 108 | } |
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| 109 | |
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[807] | 110 | // get processList and extract EM processes (but not MultipleScattering) |
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| 111 | G4ProcessVector* plist = particle->GetProcessManager()->GetProcessList(); |
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| 112 | G4String procName; |
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| 113 | G4double cut; |
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| 114 | std::vector<G4String> emName; |
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| 115 | std::vector<G4double> enerCut; |
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| 116 | size_t length = plist->size(); |
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| 117 | for (size_t j=0; j<length; j++) { |
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| 118 | procName = (*plist)[j]->GetProcessName(); |
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| 119 | cut = energyCut[1]; |
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| 120 | if ((procName == "eBrem")||(procName == "muBrems")) cut = energyCut[0]; |
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| 121 | if (((*plist)[j]->GetProcessType() == fElectromagnetic) && |
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| 122 | (procName != "msc")) { |
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| 123 | emName.push_back(procName); |
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| 124 | enerCut.push_back(cut); |
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| 125 | } |
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| 126 | } |
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| 127 | |
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| 128 | // print list of processes |
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| 129 | G4cout << "\n processes : "; |
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| 130 | for (size_t j=0; j<emName.size();j++) |
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| 131 | G4cout << "\t" << std::setw(13) << emName[j] << "\t"; |
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| 132 | G4cout << "\t" << std::setw(13) <<"total"; |
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| 133 | |
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| 134 | //compute cross section per atom (only for single material) |
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| 135 | if (material->GetNumberOfElements() == 1) { |
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| 136 | G4double Z = material->GetZ(); |
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| 137 | G4double A = material->GetA(); |
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| 138 | |
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| 139 | std::vector<G4double> sigma0; |
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| 140 | G4double sig, sigtot = 0.; |
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| 141 | |
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| 142 | for (size_t j=0; j<emName.size();j++) { |
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| 143 | sig = emCal.ComputeCrossSectionPerAtom |
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| 144 | (energy,particle,emName[j],Z,A,enerCut[j]); |
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| 145 | sigtot += sig; |
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| 146 | sigma0.push_back(sig); |
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| 147 | } |
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| 148 | sigma0.push_back(sigtot); |
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| 149 | |
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| 150 | G4cout << "\n \n cross section per atom : "; |
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| 151 | for (size_t j=0; j<sigma0.size();j++) { |
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| 152 | G4cout << "\t" << std::setw(13) << G4BestUnit(sigma0[j], "Surface"); |
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| 153 | } |
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| 154 | G4cout << G4endl; |
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| 155 | } |
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| 156 | |
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| 157 | //get cross section per volume |
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| 158 | std::vector<G4double> sigma1; |
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| 159 | std::vector<G4double> sigma2; |
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| 160 | G4double Sig, Sigtot = 0.; |
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| 161 | |
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| 162 | for (size_t j=0; j<emName.size();j++) { |
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| 163 | Sig = emCal.GetCrossSectionPerVolume(energy,particle,emName[j],material); |
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| 164 | if (Sig == 0.) Sig = emCal.ComputeCrossSectionPerVolume |
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| 165 | (energy,particle,emName[j],material,enerCut[j]); |
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| 166 | Sigtot += Sig; |
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| 167 | sigma1.push_back(Sig); |
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| 168 | sigma2.push_back(Sig/density); |
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| 169 | } |
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| 170 | sigma1.push_back(Sigtot); |
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| 171 | sigma2.push_back(Sigtot/density); |
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| 172 | |
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| 173 | //print cross sections |
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| 174 | G4cout << "\n \n cross section per volume : "; |
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| 175 | for (size_t j=0; j<sigma1.size();j++) { |
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| 176 | G4cout << "\t" << std::setw(13) << sigma1[j]*cm << " cm^-1"; |
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| 177 | } |
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| 178 | |
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| 179 | G4cout << "\n cross section per mass : "; |
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| 180 | for (size_t j=0; j<sigma2.size();j++) { |
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| 181 | G4cout << "\t" << std::setw(13) << G4BestUnit(sigma2[j], "Surface/Mass"); |
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| 182 | } |
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| 183 | |
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| 184 | //print mean free path |
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| 185 | |
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| 186 | G4double lambda; |
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| 187 | |
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| 188 | G4cout << "\n \n mean free path : "; |
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| 189 | for (size_t j=0; j<sigma1.size();j++) { |
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| 190 | lambda = DBL_MAX; |
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| 191 | if (sigma1[j] > 0.) lambda = 1/sigma1[j]; |
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| 192 | G4cout << "\t" << std::setw(13) << G4BestUnit( lambda, "Length"); |
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| 193 | } |
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| 194 | |
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| 195 | //mean free path (g/cm2) |
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| 196 | G4cout << "\n (g/cm2) : "; |
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| 197 | for (size_t j=0; j<sigma2.size();j++) { |
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| 198 | lambda = DBL_MAX; |
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| 199 | if (sigma2[j] > 0.) lambda = 1/sigma2[j]; |
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| 200 | G4cout << "\t" << std::setw(13) << G4BestUnit( lambda, "Mass/Surface"); |
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| 201 | } |
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| 202 | G4cout << G4endl; |
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| 203 | |
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| 204 | if (charge == 0.) { |
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| 205 | G4cout.precision(prec); |
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| 206 | G4cout << "\n-------------------------------------------------------------\n" |
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| 207 | << G4endl; |
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| 208 | return; |
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| 209 | } |
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| 210 | |
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| 211 | //get stopping power |
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| 212 | std::vector<G4double> dedx1; |
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| 213 | std::vector<G4double> dedx2; |
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| 214 | G4double dedx, dedxtot = 0.; |
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| 215 | |
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| 216 | for (size_t j=0; j<emName.size();j++) { |
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| 217 | dedx = emCal.ComputeDEDX(energy,particle,emName[j],material,enerCut[j]); |
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| 218 | dedx1.push_back(dedx); |
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| 219 | dedx2.push_back(dedx/density); |
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| 220 | } |
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| 221 | dedxtot = emCal.GetDEDX(energy,particle,material); |
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| 222 | dedx1.push_back(dedxtot); |
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| 223 | dedx2.push_back(dedxtot/density); |
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| 224 | |
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| 225 | //print stopping power |
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| 226 | G4cout << "\n \n restricted dE/dx : "; |
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| 227 | for (size_t j=0; j<sigma1.size();j++) { |
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| 228 | G4cout << "\t" << std::setw(13) << G4BestUnit(dedx1[j],"Energy/Length"); |
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| 229 | } |
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| 230 | |
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| 231 | G4cout << "\n (MeV/g/cm2) : "; |
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| 232 | for (size_t j=0; j<sigma2.size();j++) { |
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| 233 | G4cout << "\t" << std::setw(13) << G4BestUnit(dedx2[j],"Energy*Surface/Mass"); |
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| 234 | } |
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| 235 | |
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| 236 | //get range from restricted dedx |
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| 237 | G4double range1 = emCal.GetRangeFromRestricteDEDX(energy,particle,material); |
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| 238 | G4double range2 = range1*density; |
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| 239 | |
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| 240 | //get range from full dedx |
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| 241 | G4double Range1 = emCal.GetCSDARange(energy,particle,material); |
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| 242 | G4double Range2 = Range1*density; |
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| 243 | |
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| 244 | //print range |
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| 245 | G4cout << "\n \n range from restrict dE/dx: " |
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| 246 | << "\t" << std::setw(8) << G4BestUnit(range1,"Length") |
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| 247 | << " (" << std::setw(8) << G4BestUnit(range2,"Mass/Surface") << ")"; |
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| 248 | |
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| 249 | G4cout << "\n range from full dE/dx : " |
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| 250 | << "\t" << std::setw(8) << G4BestUnit(Range1,"Length") |
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| 251 | << " (" << std::setw(8) << G4BestUnit(Range2,"Mass/Surface") << ")"; |
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| 252 | |
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| 253 | //get transport mean free path (for multiple scattering) |
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| 254 | G4double MSmfp1 = emCal.GetMeanFreePath(energy,particle,"msc",material); |
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| 255 | G4double MSmfp2 = MSmfp1*density; |
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| 256 | |
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| 257 | //print transport mean free path |
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| 258 | G4cout << "\n \n transport mean free path : " |
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| 259 | << "\t" << std::setw(8) << G4BestUnit(MSmfp1,"Length") |
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| 260 | << " (" << std::setw(8) << G4BestUnit(MSmfp2,"Mass/Surface") << ")"; |
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| 261 | |
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| 262 | if (particle == G4Electron::Electron()) CriticalEnergy(); |
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| 263 | |
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| 264 | G4cout << "\n-------------------------------------------------------------\n"; |
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| 265 | G4cout << G4endl; |
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| 266 | |
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| 267 | // reset default precision |
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| 268 | G4cout.precision(prec); |
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| 269 | } |
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| 270 | |
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| 271 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 272 | |
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| 273 | void RunAction::EndOfRunAction(const G4Run* ) |
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| 274 | { } |
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| 275 | |
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| 276 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 277 | |
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| 278 | #include "G4ProductionCutsTable.hh" |
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| 279 | |
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| 280 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 281 | |
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| 282 | void RunAction::GetCuts() |
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| 283 | { |
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| 284 | G4ProductionCutsTable* theCoupleTable = |
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| 285 | G4ProductionCutsTable::GetProductionCutsTable(); |
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| 286 | |
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| 287 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
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| 288 | const G4MaterialCutsCouple* couple = 0; |
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| 289 | G4int index = 0; |
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| 290 | for (size_t i=0; i<numOfCouples; i++) { |
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| 291 | couple = theCoupleTable->GetMaterialCutsCouple(i); |
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| 292 | if (couple->GetMaterial() == detector->GetMaterial()) {index = i; break;} |
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| 293 | } |
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| 294 | |
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| 295 | rangeCut[0] = |
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| 296 | (*(theCoupleTable->GetRangeCutsVector(idxG4GammaCut)))[index]; |
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| 297 | rangeCut[1] = |
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| 298 | (*(theCoupleTable->GetRangeCutsVector(idxG4ElectronCut)))[index]; |
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| 299 | rangeCut[2] = |
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| 300 | (*(theCoupleTable->GetRangeCutsVector(idxG4PositronCut)))[index]; |
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| 301 | |
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| 302 | energyCut[0] = |
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| 303 | (*(theCoupleTable->GetEnergyCutsVector(idxG4GammaCut)))[index]; |
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| 304 | energyCut[1] = |
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| 305 | (*(theCoupleTable->GetEnergyCutsVector(idxG4ElectronCut)))[index]; |
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| 306 | energyCut[2] = |
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| 307 | (*(theCoupleTable->GetEnergyCutsVector(idxG4PositronCut)))[index]; |
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| 308 | |
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| 309 | } |
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| 310 | |
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| 311 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 312 | |
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| 313 | void RunAction::CriticalEnergy() |
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| 314 | { |
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| 315 | // compute e- critical energy (Rossi definition) and Moliere radius. |
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| 316 | // Review of Particle Physics - Eur. Phys. J. C3 (1998) page 147 |
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| 317 | // |
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| 318 | G4EmCalculator emCal; |
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| 319 | |
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| 320 | const G4Material* material = detector->GetMaterial(); |
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| 321 | const G4double radl = material->GetRadlen(); |
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| 322 | G4double ekin = 5*MeV; |
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| 323 | G4double deioni; |
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| 324 | G4double err = 1., errmax = 0.001; |
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| 325 | G4int iter = 0 , itermax = 10; |
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| 326 | while (err > errmax && iter < itermax) { |
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| 327 | iter++; |
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| 328 | deioni = radl* |
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| 329 | emCal.ComputeDEDX(ekin,G4Electron::Electron(),"eIoni",material); |
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| 330 | err = std::abs(deioni - ekin)/ekin; |
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| 331 | ekin = deioni; |
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| 332 | } |
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| 333 | G4cout << "\n \n critical energy (Rossi) : " |
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| 334 | << "\t" << std::setw(8) << G4BestUnit(ekin,"Energy"); |
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| 335 | |
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| 336 | //Pdg formula (only for single material) |
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| 337 | G4double pdga[2] = { 610*MeV, 710*MeV }; |
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| 338 | G4double pdgb[2] = { 1.24, 0.92 }; |
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| 339 | G4double EcPdg = 0.; |
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| 340 | |
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| 341 | if (material->GetNumberOfElements() == 1) { |
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| 342 | G4int istat = 0; |
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| 343 | if (material->GetState() == kStateGas) istat = 1; |
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| 344 | G4double Zeff = material->GetZ() + pdgb[istat]; |
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| 345 | EcPdg = pdga[istat]/Zeff; |
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| 346 | G4cout << "\t\t\t (from Pdg formula : " |
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| 347 | << std::setw(8) << G4BestUnit(EcPdg,"Energy") << ")"; |
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| 348 | } |
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| 349 | |
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| 350 | const G4double Es = 21.2052*MeV; |
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| 351 | G4double rMolier1 = Es/ekin, rMolier2 = rMolier1*radl; |
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| 352 | G4cout << "\n Moliere radius : " |
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| 353 | << "\t" << std::setw(8) << rMolier1 << " X0 " |
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| 354 | << "= " << std::setw(8) << G4BestUnit(rMolier2,"Length"); |
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| 355 | |
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| 356 | if (material->GetNumberOfElements() == 1) { |
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| 357 | G4double rMPdg = radl*Es/EcPdg; |
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| 358 | G4cout << "\t (from Pdg formula : " |
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| 359 | << std::setw(8) << G4BestUnit(rMPdg,"Length") << ")"; |
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| 360 | } |
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| 361 | } |
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| 362 | |
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| 363 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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