[1199] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: CrossSectionStd.cc,v 1.5 2006/06/29 19:54:07 gunter Exp $ |
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[1347] | 28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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[1199] | 29 | // |
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| 30 | // ------------------------------------------------------------ |
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| 31 | // |
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| 32 | // To print cross sections per atom and mean free path for simple material |
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| 33 | // |
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| 34 | #include "G4Material.hh" |
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| 35 | |
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| 36 | #include "G4PEEffectModel.hh" |
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| 37 | #include "G4KleinNishinaCompton.hh" |
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| 38 | #include "G4BetheHeitlerModel.hh" |
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| 39 | |
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| 40 | #include "G4eeToTwoGammaModel.hh" |
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| 41 | |
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| 42 | #include "G4MollerBhabhaModel.hh" |
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| 43 | #include "G4eBremsstrahlungModel.hh" |
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| 44 | |
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| 45 | #include "G4BetheBlochModel.hh" |
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| 46 | #include "G4BraggModel.hh" |
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| 47 | |
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| 48 | #include "G4MuBetheBlochModel.hh" |
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| 49 | #include "G4MuBremsstrahlungModel.hh" |
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| 50 | #include "G4MuPairProductionModel.hh" |
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| 51 | |
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| 52 | #include "globals.hh" |
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| 53 | #include "G4UnitsTable.hh" |
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| 54 | |
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| 55 | #include "G4Gamma.hh" |
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| 56 | #include "G4Positron.hh" |
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| 57 | #include "G4Electron.hh" |
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| 58 | #include "G4Proton.hh" |
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| 59 | #include "G4MuonPlus.hh" |
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| 60 | |
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| 61 | int main() { |
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| 62 | |
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| 63 | G4UnitDefinition::BuildUnitsTable(); |
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| 64 | |
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| 65 | // define materials |
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| 66 | // |
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| 67 | G4double Z, A; |
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| 68 | |
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| 69 | G4Material* material = |
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| 70 | new G4Material("Iodine", Z=53., A=126.90*g/mole, 4.93*g/cm3); |
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| 71 | |
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| 72 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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| 73 | |
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| 74 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 75 | |
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| 76 | // initialise gamma processes (models) |
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| 77 | // |
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| 78 | G4ParticleDefinition* gamma = G4Gamma::Gamma(); |
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| 79 | |
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| 80 | G4VEmModel* phot = new G4PEEffectModel(); |
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| 81 | G4VEmModel* comp = new G4KleinNishinaCompton(); |
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| 82 | G4VEmModel* conv = new G4BetheHeitlerModel(); |
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| 83 | |
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| 84 | // compute CrossSection per atom and MeanFreePath |
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| 85 | // |
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| 86 | G4double Emin = 1.01*MeV, Emax = 2.01*MeV, dE = 100*keV; |
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| 87 | |
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| 88 | G4cout << "\n #### Gamma : CrossSectionPerAtom and MeanFreePath for " |
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| 89 | << material->GetName() << G4endl; |
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| 90 | G4cout << "\n Energy \t PhotoElec \t Compton \t Conversion \t"; |
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| 91 | G4cout << "\t PhotoElec \t Compton \t Conversion" << G4endl; |
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| 92 | |
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| 93 | for (G4double Energy = Emin; Energy <= Emax; Energy += dE) { |
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| 94 | G4cout << "\n " << G4BestUnit (Energy, "Energy") |
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| 95 | << "\t" |
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| 96 | << G4BestUnit (phot->ComputeCrossSectionPerAtom(gamma,Energy,Z), "Surface") |
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| 97 | << "\t" |
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| 98 | << G4BestUnit (comp->ComputeCrossSectionPerAtom(gamma,Energy,Z), "Surface") |
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| 99 | << "\t" |
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| 100 | << G4BestUnit (conv->ComputeCrossSectionPerAtom(gamma,Energy,Z), "Surface") |
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| 101 | << "\t \t" |
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| 102 | << G4BestUnit (phot->ComputeMeanFreePath(gamma,Energy,material), "Length") |
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| 103 | << "\t" |
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| 104 | << G4BestUnit (comp->ComputeMeanFreePath(gamma,Energy,material), "Length") |
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| 105 | << "\t" |
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| 106 | << G4BestUnit (conv->ComputeMeanFreePath(gamma,Energy,material), "Length"); |
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| 107 | } |
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| 108 | |
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| 109 | G4cout << G4endl; |
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| 110 | |
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| 111 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 112 | |
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| 113 | // initialise positron annihilation (model) |
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| 114 | // |
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| 115 | G4ParticleDefinition* posit = G4Positron::Positron(); |
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| 116 | |
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| 117 | G4VEmModel* anni = new G4eeToTwoGammaModel(); |
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| 118 | |
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| 119 | // compute CrossSection per atom and MeanFreePath |
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| 120 | // |
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| 121 | Emin = 1.01*MeV; Emax = 2.01*MeV; dE = 100*keV; |
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| 122 | |
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| 123 | G4cout << "\n #### e+ annihilation : CrossSectionPerAtom and MeanFreePath for " |
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| 124 | << material->GetName() << G4endl; |
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| 125 | G4cout << "\n Energy \t e+ annihil \t"; |
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| 126 | G4cout << "\t e+ annihil" << G4endl; |
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| 127 | |
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| 128 | for (G4double Energy = Emin; Energy <= Emax; Energy += dE) { |
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| 129 | G4cout << "\n " << G4BestUnit (Energy, "Energy") |
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| 130 | << "\t" |
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| 131 | << G4BestUnit (anni->ComputeCrossSectionPerAtom(posit,Energy,Z), "Surface") |
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| 132 | << "\t \t" |
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| 133 | << G4BestUnit (anni->ComputeMeanFreePath(posit,Energy,material), "Length"); |
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| 134 | } |
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| 135 | |
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| 136 | G4cout << G4endl; |
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| 137 | |
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| 138 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 139 | |
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| 140 | // initialise electron processes (models) |
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| 141 | // |
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| 142 | G4ParticleDefinition* elec = G4Electron::Electron(); |
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| 143 | |
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| 144 | G4VEmModel* ioni = new G4MollerBhabhaModel(); |
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| 145 | G4VEmModel* brem = new G4eBremsstrahlungModel(); |
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| 146 | |
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| 147 | // compute CrossSection per atom and MeanFreePath |
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| 148 | // |
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| 149 | Emin = 1.01*MeV; Emax = 101.01*MeV; dE = 10*MeV; |
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| 150 | G4double Ecut = 100*keV; |
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| 151 | |
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| 152 | G4cout << "\n ####electron: CrossSection, MeanFreePath and StoppingPower for " |
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| 153 | << material->GetName() |
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| 154 | << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl; |
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| 155 | |
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| 156 | G4cout << "\n Energy \t ionization \t bremsstra \t"; |
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| 157 | G4cout << "\t ionization \t bremsstra \t"; |
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| 158 | G4cout << "\t ionization \t bremsstra" << G4endl; |
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| 159 | |
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| 160 | for (G4double Energy = Emin; Energy <= Emax; Energy += dE) { |
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| 161 | G4cout << "\n " << G4BestUnit (Energy, "Energy") |
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| 162 | << "\t" |
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| 163 | << G4BestUnit (ioni->ComputeCrossSectionPerAtom(elec,Energy,Z,A,Ecut), |
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| 164 | "Surface") |
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| 165 | << "\t" |
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| 166 | << G4BestUnit (brem->ComputeCrossSectionPerAtom(elec,Energy,Z,A,Ecut), |
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| 167 | "Surface") |
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| 168 | << "\t \t" |
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| 169 | << G4BestUnit (ioni->ComputeMeanFreePath(elec,Energy,material,Ecut), |
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| 170 | "Length") |
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| 171 | << "\t" |
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| 172 | << G4BestUnit (brem->ComputeMeanFreePath(elec,Energy,material,Ecut), |
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| 173 | "Length") |
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| 174 | << "\t \t" |
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| 175 | << G4BestUnit (ioni->ComputeDEDXPerVolume(material,elec,Energy,Ecut), |
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| 176 | "Energy/Length") |
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| 177 | << "\t" |
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| 178 | << G4BestUnit (brem->ComputeDEDXPerVolume(material,elec,Energy,Ecut), |
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| 179 | "Energy/Length"); |
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| 180 | } |
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| 181 | |
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| 182 | G4cout << G4endl; |
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| 183 | |
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| 184 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 185 | |
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| 186 | |
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| 187 | // initialise proton processes (models) |
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| 188 | // |
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| 189 | G4ParticleDefinition* prot = G4Proton::Proton(); |
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| 190 | |
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| 191 | ioni = new G4BetheBlochModel(prot); |
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| 192 | |
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| 193 | // compute CrossSection per atom and MeanFreePath |
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| 194 | // |
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| 195 | Emin = 1.01*MeV; Emax = 102.01*MeV; dE = 10*MeV; |
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| 196 | Ecut = 100*keV; |
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| 197 | |
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| 198 | G4cout << "\n #### proton : CrossSection, MeanFreePath and StoppingPower for " |
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| 199 | << material->GetName() |
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| 200 | << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl; |
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| 201 | |
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| 202 | G4cout << "\n Energy \t ionization \t"; |
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| 203 | G4cout << "\t ionization \t"; |
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| 204 | G4cout << "\t ionization" << G4endl; |
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| 205 | |
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| 206 | for (G4double Energy = Emin; Energy <= Emax; Energy += dE) { |
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| 207 | G4cout << "\n " << G4BestUnit (Energy, "Energy") |
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| 208 | << "\t" |
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| 209 | << G4BestUnit (ioni->ComputeCrossSectionPerAtom(prot,Energy,Z,A,Ecut), |
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| 210 | "Surface") |
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| 211 | << "\t \t" |
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| 212 | << G4BestUnit (ioni->ComputeMeanFreePath(prot,Energy,material,Ecut), |
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| 213 | "Length") |
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| 214 | << "\t \t" |
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| 215 | << G4BestUnit (ioni->ComputeDEDXPerVolume(material,prot,Energy,Ecut), |
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| 216 | "Energy/Length"); |
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| 217 | } |
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| 218 | |
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| 219 | G4cout << G4endl; |
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| 220 | |
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| 221 | // low energy : Bragg Model |
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| 222 | |
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| 223 | ioni = new G4BraggModel(prot); |
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| 224 | |
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| 225 | // compute CrossSection per atom and MeanFreePath |
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| 226 | // |
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| 227 | Emin = 1.1*keV; Emax = 2.01*MeV; dE = 300*keV; |
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| 228 | Ecut = 10*keV; |
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| 229 | |
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| 230 | G4cout << "\n #### proton : low energy model (Bragg) " |
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| 231 | << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl; |
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| 232 | |
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| 233 | G4cout << "\n Energy \t ionization \t"; |
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| 234 | G4cout << "\t ionization \t"; |
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| 235 | G4cout << "\t ionization" << G4endl; |
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| 236 | |
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| 237 | for (G4double Energy = Emin; Energy <= Emax; Energy += dE) { |
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| 238 | G4cout << "\n " << G4BestUnit (Energy, "Energy") |
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| 239 | << "\t" |
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| 240 | << G4BestUnit (ioni->ComputeCrossSectionPerAtom(prot,Energy,Z,A,Ecut), |
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| 241 | "Surface") |
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| 242 | << "\t \t" |
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| 243 | << G4BestUnit (ioni->ComputeMeanFreePath(prot,Energy,material,Ecut), |
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| 244 | "Length") |
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| 245 | << "\t \t" |
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| 246 | << G4BestUnit (ioni->ComputeDEDXPerVolume(material,prot,Energy,Ecut), |
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| 247 | "Energy/Length"); |
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| 248 | } |
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| 249 | |
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| 250 | G4cout << G4endl; |
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| 251 | |
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| 252 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 253 | |
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| 254 | // initialise muon processes (models) |
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| 255 | // |
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| 256 | G4ParticleDefinition* muon = G4MuonPlus::MuonPlus(); |
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| 257 | |
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| 258 | ioni = new G4MuBetheBlochModel(muon); |
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| 259 | brem = new G4MuBremsstrahlungModel(muon); |
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| 260 | G4VEmModel* pair = new G4MuPairProductionModel(muon); |
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| 261 | |
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| 262 | // compute CrossSection per atom and MeanFreePath |
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| 263 | // |
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| 264 | Emin = 1.01*GeV; Emax = 101.01*GeV; dE = 10*GeV; |
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| 265 | Ecut = 10*MeV; |
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| 266 | |
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| 267 | G4cout << "\n ####muon: CrossSection and MeanFreePath for " |
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| 268 | << material->GetName() |
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| 269 | << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl; |
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| 270 | |
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| 271 | G4cout << "\n Energy \t ionization \t bremsstra \t pair_prod \t"; |
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| 272 | G4cout << "\t ionization \t bremsstra \t pair_prod" << G4endl; |
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| 273 | |
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| 274 | for (G4double Energy = Emin; Energy <= Emax; Energy += dE) { |
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| 275 | G4cout << "\n " << G4BestUnit (Energy, "Energy") |
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| 276 | << "\t" |
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| 277 | << G4BestUnit (ioni->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut), |
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| 278 | "Surface") |
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| 279 | << "\t" |
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| 280 | << G4BestUnit (brem->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut), |
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| 281 | "Surface") |
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| 282 | << "\t" |
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| 283 | << G4BestUnit (pair->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut), |
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| 284 | "Surface") |
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| 285 | << "\t \t" |
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| 286 | << G4BestUnit (ioni->ComputeMeanFreePath(muon,Energy,material,Ecut), |
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| 287 | "Length") |
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| 288 | << "\t" |
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| 289 | << G4BestUnit (brem->ComputeMeanFreePath(muon,Energy,material,Ecut), |
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| 290 | "Length") |
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| 291 | << "\t" |
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| 292 | << G4BestUnit (pair->ComputeMeanFreePath(muon,Energy,material,Ecut), |
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| 293 | "Length"); |
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| 294 | } |
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| 295 | |
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| 296 | G4cout << G4endl; |
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| 297 | |
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| 298 | G4cout << "\n ####muon: StoppingPower for " |
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| 299 | << material->GetName() |
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| 300 | << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl; |
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| 301 | |
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| 302 | G4cout << "\n Energy \t ionization \t bremsstra \t pair_prod \t" << G4endl; |
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| 303 | |
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| 304 | for (G4double Energy = Emin; Energy <= Emax; Energy += dE) { |
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| 305 | G4cout << "\n " << G4BestUnit (Energy, "Energy") |
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| 306 | << "\t" |
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| 307 | << G4BestUnit (ioni->ComputeDEDXPerVolume(material,muon,Energy,Ecut), |
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| 308 | "Energy/Length") |
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| 309 | << "\t" |
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| 310 | << G4BestUnit (brem->ComputeDEDXPerVolume(material,muon,Energy,Ecut), |
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| 311 | "Energy/Length") |
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| 312 | << "\t" |
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| 313 | << G4BestUnit (pair->ComputeDEDXPerVolume(material,muon,Energy,Ecut), |
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| 314 | "Energy/Length"); |
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| 315 | } |
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| 316 | |
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| 317 | G4cout << G4endl; |
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| 318 | |
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| 319 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 320 | |
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| 321 | return EXIT_SUCCESS; |
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| 322 | } |
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