[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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| 26 | // $Id: DetectorConstruction.cc,v 1.20 2007/03/19 20:10:38 vnivanch Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-01-patch-02 $ |
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| 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 "DetectorConstruction.hh" |
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| 33 | #include "DetectorMessenger.hh" |
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| 34 | |
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| 35 | #include "G4NistManager.hh" |
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| 36 | #include "G4Material.hh" |
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| 37 | #include "G4Box.hh" |
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| 38 | #include "G4LogicalVolume.hh" |
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| 39 | #include "G4PVPlacement.hh" |
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| 40 | #include "G4PVReplica.hh" |
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| 41 | #include "G4UniformMagField.hh" |
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| 42 | |
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| 43 | #include "G4GeometryManager.hh" |
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| 44 | #include "G4PhysicalVolumeStore.hh" |
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| 45 | #include "G4LogicalVolumeStore.hh" |
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| 46 | #include "G4SolidStore.hh" |
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| 47 | |
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| 48 | #include "G4UImanager.hh" |
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| 49 | #include "G4UnitsTable.hh" |
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| 50 | #include <iomanip> |
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| 51 | |
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| 52 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 53 | |
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| 54 | DetectorConstruction::DetectorConstruction() |
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| 55 | :defaultMaterial(0),solidWorld(0),logicWorld(0),physiWorld(0), |
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| 56 | solidCalor(0),logicCalor(0),physiCalor(0), |
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| 57 | solidLayer(0),logicLayer(0),physiLayer(0), |
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| 58 | magField(0) |
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| 59 | { |
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| 60 | // default parameter values of the calorimeter |
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| 61 | NbOfAbsor = 2; |
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| 62 | AbsorThickness[1] = 2.3*mm; |
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| 63 | AbsorThickness[2] = 5.7*mm; |
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| 64 | NbOfLayers = 50; |
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| 65 | CalorSizeYZ = 40.*cm; |
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| 66 | ComputeCalorParameters(); |
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| 67 | |
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| 68 | // materials |
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| 69 | DefineMaterials(); |
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| 70 | SetWorldMaterial("Galactic"); |
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| 71 | SetAbsorMaterial(1,"Lead"); |
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| 72 | SetAbsorMaterial(2,"liquidArgon"); |
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| 73 | |
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| 74 | // create commands for interactive definition of the calorimeter |
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| 75 | detectorMessenger = new DetectorMessenger(this); |
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| 76 | } |
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| 77 | |
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| 78 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 79 | |
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| 80 | DetectorConstruction::~DetectorConstruction() |
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| 81 | { |
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| 82 | delete detectorMessenger; |
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| 83 | } |
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| 84 | |
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| 85 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 86 | |
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| 87 | G4VPhysicalVolume* DetectorConstruction::Construct() |
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| 88 | { |
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| 89 | return ConstructCalorimeter(); |
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| 90 | } |
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| 91 | |
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| 92 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 93 | |
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| 94 | void DetectorConstruction::DefineMaterials() |
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| 95 | { |
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| 96 | // This function illustrates the possible ways to define materials using |
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| 97 | // G4 database on G4Elements |
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| 98 | G4NistManager* manager = G4NistManager::Instance(); |
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| 99 | manager->SetVerbose(0); |
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| 100 | // |
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| 101 | // define Elements |
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| 102 | // |
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| 103 | G4double z,a; |
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| 104 | |
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| 105 | G4Element* H = manager->FindOrBuildElement(1); |
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| 106 | G4Element* C = manager->FindOrBuildElement(6); |
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| 107 | G4Element* O = manager->FindOrBuildElement(8); |
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| 108 | G4Element* Si = manager->FindOrBuildElement(14); |
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| 109 | G4Element* Ge = manager->FindOrBuildElement(32); |
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| 110 | G4Element* Sb = manager->FindOrBuildElement(51); |
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| 111 | G4Element* I = manager->FindOrBuildElement(53); |
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| 112 | G4Element* Cs = manager->FindOrBuildElement(55); |
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| 113 | G4Element* Pb = manager->FindOrBuildElement(82); |
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| 114 | G4Element* Bi = manager->FindOrBuildElement(83); |
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| 115 | |
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| 116 | // |
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| 117 | // define an Element from isotopes, by relative abundance |
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| 118 | // |
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| 119 | G4int iz, n; //iz=number of protons in an isotope; |
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| 120 | // n=number of nucleons in an isotope; |
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| 121 | G4int ncomponents; |
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| 122 | G4double abundance; |
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| 123 | |
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| 124 | G4Isotope* U5 = new G4Isotope("U235", iz=92, n=235, a=235.01*g/mole); |
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| 125 | G4Isotope* U8 = new G4Isotope("U238", iz=92, n=238, a=238.03*g/mole); |
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| 126 | |
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| 127 | G4Element* U = new G4Element("enriched Uranium", "U", ncomponents=2); |
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| 128 | U->AddIsotope(U5, abundance= 90.*perCent); |
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| 129 | U->AddIsotope(U8, abundance= 10.*perCent); |
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| 130 | |
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| 131 | // |
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| 132 | // define simple materials |
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| 133 | // |
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| 134 | G4double density; |
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| 135 | |
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| 136 | new G4Material("liquidH2", z=1., a= 1.008*g/mole, density= 70.8*mg/cm3); |
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| 137 | new G4Material("Aluminium", z=13., a= 26.98*g/mole, density= 2.700*g/cm3); |
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| 138 | new G4Material("Titanium", z=22., a= 47.867*g/mole, density= 4.54*g/cm3); |
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| 139 | new G4Material("Iron", z=26., a= 55.85*g/mole, density= 7.870*g/cm3); |
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| 140 | new G4Material("Copper", z=29., a= 63.55*g/mole, density= 8.960*g/cm3); |
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| 141 | new G4Material("Tungsten", z=74., a= 183.85*g/mole, density= 19.30*g/cm3); |
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| 142 | new G4Material("Gold", z=79., a= 196.97*g/mole, density= 19.32*g/cm3); |
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| 143 | new G4Material("Uranium", z=92., a= 238.03*g/mole, density= 18.95*g/cm3); |
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| 144 | |
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| 145 | // |
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| 146 | // define a material from elements. case 1: chemical molecule |
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| 147 | // |
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| 148 | G4int natoms; |
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| 149 | |
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| 150 | G4Material* H2O = |
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| 151 | new G4Material("Water", density= 1.000*g/cm3, ncomponents=2); |
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| 152 | H2O->AddElement(H, natoms=2); |
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| 153 | H2O->AddElement(O, natoms=1); |
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| 154 | H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV); |
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| 155 | H2O->SetChemicalFormula("H_2O"); |
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| 156 | |
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| 157 | G4Material* CH = |
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| 158 | new G4Material("Polystyrene", density= 1.032*g/cm3, ncomponents=2); |
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| 159 | CH->AddElement(C, natoms=1); |
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| 160 | CH->AddElement(H, natoms=1); |
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| 161 | |
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| 162 | G4Material* Sci = |
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| 163 | new G4Material("Scintillator", density= 1.032*g/cm3, ncomponents=2); |
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| 164 | Sci->AddElement(C, natoms=9); |
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| 165 | Sci->AddElement(H, natoms=10); |
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| 166 | |
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| 167 | G4Material* Lct = |
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| 168 | new G4Material("Lucite", density= 1.185*g/cm3, ncomponents=3); |
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| 169 | Lct->AddElement(C, 59.97*perCent); |
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| 170 | Lct->AddElement(H, 8.07*perCent); |
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| 171 | Lct->AddElement(O, 31.96*perCent); |
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| 172 | |
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| 173 | G4Material* Sili = |
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| 174 | new G4Material("Silicon", density= 2.330*g/cm3, ncomponents=1); |
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| 175 | Sili->AddElement(Si, natoms=1); |
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| 176 | |
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| 177 | G4Material* SiO2 = |
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| 178 | new G4Material("quartz", density= 2.200*g/cm3, ncomponents=2); |
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| 179 | SiO2->AddElement(Si, natoms=1); |
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| 180 | SiO2->AddElement(O , natoms=2); |
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| 181 | |
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| 182 | G4Material* G10 = |
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| 183 | new G4Material("NemaG10", density= 1.700*g/cm3, ncomponents=4); |
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| 184 | G10->AddElement(Si, natoms=1); |
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| 185 | G10->AddElement(O , natoms=2); |
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| 186 | G10->AddElement(C , natoms=3); |
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| 187 | G10->AddElement(H , natoms=3); |
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| 188 | |
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| 189 | G4Material* CsI = |
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| 190 | new G4Material("CsI", density= 4.534*g/cm3, ncomponents=2); |
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| 191 | CsI->AddElement(Cs, natoms=1); |
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| 192 | CsI->AddElement(I , natoms=1); |
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| 193 | CsI->GetIonisation()->SetMeanExcitationEnergy(553.1*eV); |
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| 194 | |
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| 195 | G4Material* BGO = |
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| 196 | new G4Material("BGO", density= 7.10*g/cm3, ncomponents=3); |
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| 197 | BGO->AddElement(O , natoms=12); |
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| 198 | BGO->AddElement(Ge, natoms= 3); |
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| 199 | BGO->AddElement(Bi, natoms= 4); |
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| 200 | |
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| 201 | // |
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| 202 | // define gaseous materials using G4 NIST database |
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| 203 | // |
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| 204 | G4double fractionmass; |
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| 205 | |
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| 206 | G4Material* Air = manager->FindOrBuildMaterial("G4_AIR"); |
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| 207 | manager->ConstructNewGasMaterial("Air20","G4_AIR",293.*kelvin, 1.*atmosphere); |
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| 208 | |
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| 209 | G4Material* lAr = manager->FindOrBuildMaterial("G4_lAr"); |
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| 210 | G4Material* lArEm3 = new G4Material("liquidArgon", density= 1.390*g/cm3, ncomponents=1); |
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| 211 | lArEm3->AddMaterial(lAr, fractionmass=1.0); |
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| 212 | |
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| 213 | // |
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| 214 | // define a material from elements and others materials (mixture of mixtures) |
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| 215 | // |
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| 216 | |
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| 217 | G4Material* Lead = new G4Material("Lead", density= 11.35*g/cm3, ncomponents=1); |
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| 218 | Lead->AddElement(Pb, fractionmass=1.0); |
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| 219 | |
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| 220 | G4Material* LeadSb = new G4Material("LeadSb", density= 11.35*g/cm3, ncomponents=2); |
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| 221 | LeadSb->AddElement(Sb, fractionmass=4.*perCent); |
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| 222 | LeadSb->AddElement(Pb, fractionmass=96.*perCent); |
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| 223 | |
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| 224 | G4Material* Aerog = new G4Material("Aerogel", density= 0.200*g/cm3, ncomponents=3); |
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| 225 | Aerog->AddMaterial(SiO2, fractionmass=62.5*perCent); |
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| 226 | Aerog->AddMaterial(H2O , fractionmass=37.4*perCent); |
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| 227 | Aerog->AddElement (C , fractionmass= 0.1*perCent); |
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| 228 | |
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| 229 | // |
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| 230 | // examples of gas in non STP conditions |
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| 231 | // |
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| 232 | G4double temperature, pressure; |
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| 233 | |
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| 234 | G4Material* CO2 = |
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| 235 | new G4Material("CarbonicGas", density= 27.*mg/cm3, ncomponents=2, |
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| 236 | kStateGas, temperature= 325.*kelvin, pressure= 50.*atmosphere); |
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| 237 | CO2->AddElement(C, natoms=1); |
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| 238 | CO2->AddElement(O, natoms=2); |
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| 239 | |
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| 240 | G4Material* steam = |
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| 241 | new G4Material("WaterSteam", density= 1.0*mg/cm3, ncomponents=1, |
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| 242 | kStateGas, temperature= 273*kelvin, pressure= 1*atmosphere); |
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| 243 | steam->AddMaterial(H2O, fractionmass=1.); |
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| 244 | |
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| 245 | // |
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| 246 | // examples of vacuum |
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| 247 | // |
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| 248 | |
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| 249 | density = universe_mean_density; //from PhysicalConstants.h |
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| 250 | pressure = 3.e-18*pascal; |
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| 251 | temperature = 2.73*kelvin; |
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| 252 | new G4Material("Galactic", z=1., a=1.008*g/mole, density, |
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| 253 | kStateGas,temperature,pressure); |
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| 254 | |
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| 255 | density = 1.e-5*g/cm3; |
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| 256 | pressure = 2.e-2*bar; |
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| 257 | temperature = STP_Temperature; //from PhysicalConstants.h |
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| 258 | G4Material* beam = |
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| 259 | new G4Material("Beam", density, ncomponents=1, |
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| 260 | kStateGas,temperature,pressure); |
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| 261 | beam->AddMaterial(Air, fractionmass=1.); |
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| 262 | |
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| 263 | // G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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| 264 | } |
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| 265 | |
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| 266 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 267 | |
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| 268 | void DetectorConstruction::ComputeCalorParameters() |
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| 269 | { |
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| 270 | // Compute derived parameters of the calorimeter |
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| 271 | LayerThickness = 0.; |
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| 272 | for (G4int iAbs=1; iAbs<=NbOfAbsor; iAbs++) { |
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| 273 | LayerThickness += AbsorThickness[iAbs]; |
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| 274 | } |
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| 275 | CalorThickness = NbOfLayers*LayerThickness; |
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| 276 | WorldSizeX = 1.2*CalorThickness; |
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| 277 | WorldSizeYZ = 1.2*CalorSizeYZ; |
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| 278 | } |
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| 279 | |
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| 280 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 281 | |
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| 282 | G4VPhysicalVolume* DetectorConstruction::ConstructCalorimeter() |
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| 283 | { |
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| 284 | // complete the Calor parameters definition |
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| 285 | ComputeCalorParameters(); |
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| 286 | |
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| 287 | // Cleanup old geometry |
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| 288 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 289 | G4PhysicalVolumeStore::GetInstance()->Clean(); |
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| 290 | G4LogicalVolumeStore::GetInstance()->Clean(); |
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| 291 | G4SolidStore::GetInstance()->Clean(); |
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| 292 | |
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| 293 | // |
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| 294 | // World |
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| 295 | // |
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| 296 | |
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| 297 | solidWorld = new G4Box("World", //its name |
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| 298 | WorldSizeX/2,WorldSizeYZ/2,WorldSizeYZ/2); //its size |
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| 299 | |
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| 300 | logicWorld = new G4LogicalVolume(solidWorld, //its solid |
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| 301 | defaultMaterial, //its material |
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| 302 | "World"); //its name |
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| 303 | |
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| 304 | physiWorld = new G4PVPlacement(0, //no rotation |
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| 305 | G4ThreeVector(), //at (0,0,0) |
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| 306 | logicWorld, //its logical volume |
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| 307 | "World", //its name |
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| 308 | 0, //its mother volume |
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| 309 | false, //no boolean operation |
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| 310 | 0); //copy number |
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| 311 | // |
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| 312 | // Calorimeter |
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| 313 | // |
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| 314 | |
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| 315 | solidCalor = new G4Box("Calorimeter", //its name |
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| 316 | CalorThickness/2,CalorSizeYZ/2,CalorSizeYZ/2);//size |
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| 317 | |
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| 318 | logicCalor = new G4LogicalVolume(solidCalor, //its solid |
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| 319 | defaultMaterial, //its material |
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| 320 | "Calorimeter"); //its name |
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| 321 | |
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| 322 | physiCalor = new G4PVPlacement(0, //no rotation |
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| 323 | G4ThreeVector(), //at (0,0,0) |
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| 324 | logicCalor, //its logical volume |
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| 325 | "Calorimeter", //its name |
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| 326 | logicWorld, //its mother volume |
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| 327 | false, //no boolean operation |
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| 328 | 0); //copy number |
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| 329 | |
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| 330 | // |
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| 331 | // Layers |
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| 332 | // |
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| 333 | |
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| 334 | solidLayer = new G4Box("Layer", //its name |
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| 335 | LayerThickness/2,CalorSizeYZ/2,CalorSizeYZ/2); //size |
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| 336 | |
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| 337 | logicLayer = new G4LogicalVolume(solidLayer, //its solid |
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| 338 | defaultMaterial, //its material |
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| 339 | "Layer"); //its name |
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| 340 | if (NbOfLayers > 1) |
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| 341 | physiLayer = new G4PVReplica("Layer", //its name |
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| 342 | logicLayer, //its logical volume |
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| 343 | logicCalor, //its mother |
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| 344 | kXAxis, //axis of replication |
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| 345 | NbOfLayers, //number of replica |
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| 346 | LayerThickness); //witdth of replica |
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| 347 | else |
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| 348 | physiLayer = new G4PVPlacement(0, //no rotation |
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| 349 | G4ThreeVector(), //at (0,0,0) |
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| 350 | logicLayer, //its logical volume |
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| 351 | "Layer", //its name |
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| 352 | logicCalor, //its mother volume |
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| 353 | false, //no boolean operation |
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| 354 | 0); //copy number |
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| 355 | |
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| 356 | // |
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| 357 | // Absorbers |
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| 358 | // |
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| 359 | |
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| 360 | G4double xfront = -0.5*LayerThickness; |
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| 361 | for (G4int k=1; k<=NbOfAbsor; k++) { |
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| 362 | solidAbsor[k] = new G4Box("Absorber", //its name |
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| 363 | AbsorThickness[k]/2,CalorSizeYZ/2,CalorSizeYZ/2); |
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| 364 | |
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| 365 | logicAbsor[k] = new G4LogicalVolume(solidAbsor[k], //its solid |
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| 366 | AbsorMaterial[k], //its material |
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| 367 | AbsorMaterial[k]->GetName()); |
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| 368 | |
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| 369 | G4double xcenter = xfront+0.5*AbsorThickness[k]; |
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| 370 | xfront += AbsorThickness[k]; |
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| 371 | physiAbsor[k] = new G4PVPlacement(0, //no rotation |
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| 372 | G4ThreeVector(xcenter,0.,0.), //its position |
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| 373 | logicAbsor[k], //its logical volume |
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| 374 | AbsorMaterial[k]->GetName(), //its name |
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| 375 | logicLayer, //its mother |
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| 376 | false, //no boulean operat |
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| 377 | k); //copy number |
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| 378 | |
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| 379 | } |
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| 380 | |
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| 381 | |
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| 382 | PrintCalorParameters(); |
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| 383 | |
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| 384 | //always return the physical World |
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| 385 | // |
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| 386 | return physiWorld; |
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| 387 | } |
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| 388 | |
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| 389 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 390 | |
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| 391 | void DetectorConstruction::PrintCalorParameters() |
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| 392 | { |
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| 393 | G4cout << "\n-------------------------------------------------------------" |
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| 394 | << "\n ---> The calorimeter is " << NbOfLayers << " layers of:"; |
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| 395 | for (G4int i=1; i<=NbOfAbsor; i++) |
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| 396 | { |
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| 397 | G4cout << "\n \t" << std::setw(12) << AbsorMaterial[i]->GetName() <<": " |
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| 398 | << std::setw(6) << G4BestUnit(AbsorThickness[i],"Length"); |
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| 399 | } |
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| 400 | G4cout << "\n-------------------------------------------------------------\n"; |
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| 401 | |
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| 402 | G4cout << "\n" << defaultMaterial << G4endl; |
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| 403 | for (G4int j=1; j<=NbOfAbsor; j++) |
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| 404 | G4cout << "\n" << AbsorMaterial[j] << G4endl; |
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| 405 | |
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| 406 | G4cout << "\n-------------------------------------------------------------\n"; |
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| 407 | } |
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| 408 | |
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| 409 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 410 | |
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| 411 | void DetectorConstruction::SetWorldMaterial(const G4String& material) |
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| 412 | { |
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| 413 | // search the material by its name |
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| 414 | G4Material* pttoMaterial = |
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| 415 | G4NistManager::Instance()->FindOrBuildMaterial(material); |
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| 416 | if (pttoMaterial) defaultMaterial = pttoMaterial; |
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| 417 | } |
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| 418 | |
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| 419 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 420 | |
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| 421 | void DetectorConstruction::SetNbOfLayers(G4int ival) |
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| 422 | { |
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| 423 | // set the number of Layers |
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| 424 | // |
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| 425 | if (ival < 1) |
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| 426 | { G4cout << "\n --->warning from SetNbOfLayers: " |
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| 427 | << ival << " must be at least 1. Command refused" << G4endl; |
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| 428 | return; |
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| 429 | } |
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| 430 | NbOfLayers = ival; |
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| 431 | } |
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| 432 | |
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| 433 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 434 | |
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| 435 | void DetectorConstruction::SetNbOfAbsor(G4int ival) |
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| 436 | { |
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| 437 | // set the number of Absorbers |
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| 438 | // |
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| 439 | if (ival < 1 || ival > (MaxAbsor-1)) |
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| 440 | { G4cout << "\n ---> warning from SetNbOfAbsor: " |
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| 441 | << ival << " must be at least 1 and and most " << MaxAbsor-1 |
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| 442 | << ". Command refused" << G4endl; |
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| 443 | return; |
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| 444 | } |
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| 445 | NbOfAbsor = ival; |
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| 446 | } |
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| 447 | |
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| 448 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 449 | |
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| 450 | void DetectorConstruction::SetAbsorMaterial(G4int ival, const G4String& material) |
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| 451 | { |
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| 452 | // search the material by its name |
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| 453 | // |
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| 454 | if (ival > NbOfAbsor || ival <= 0) |
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| 455 | { G4cout << "\n --->warning from SetAbsorMaterial: absor number " |
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| 456 | << ival << " out of range. Command refused" << G4endl; |
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| 457 | return; |
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| 458 | } |
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| 459 | |
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| 460 | G4Material* pttoMaterial = |
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| 461 | G4NistManager::Instance()->FindOrBuildMaterial(material); |
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| 462 | if (pttoMaterial) AbsorMaterial[ival] = pttoMaterial; |
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| 463 | } |
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| 464 | |
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| 465 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 466 | |
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| 467 | void DetectorConstruction::SetAbsorThickness(G4int ival,G4double val) |
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| 468 | { |
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| 469 | // change Absorber thickness |
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| 470 | // |
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| 471 | if (ival > NbOfAbsor || ival <= 0) |
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| 472 | { G4cout << "\n --->warning from SetAbsorThickness: absor number " |
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| 473 | << ival << " out of range. Command refused" << G4endl; |
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| 474 | return; |
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| 475 | } |
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| 476 | if (val <= DBL_MIN) |
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| 477 | { G4cout << "\n --->warning from SetAbsorThickness: thickness " |
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| 478 | << val << " out of range. Command refused" << G4endl; |
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| 479 | return; |
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| 480 | } |
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| 481 | AbsorThickness[ival] = val; |
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| 482 | } |
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| 483 | |
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| 484 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 485 | |
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| 486 | void DetectorConstruction::SetCalorSizeYZ(G4double val) |
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| 487 | { |
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| 488 | // change the transverse size |
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| 489 | // |
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| 490 | if (val <= DBL_MIN) |
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| 491 | { G4cout << "\n --->warning from SetCalorSizeYZ: thickness " |
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| 492 | << val << " out of range. Command refused" << G4endl; |
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| 493 | return; |
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| 494 | } |
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| 495 | CalorSizeYZ = val; |
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| 496 | } |
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| 497 | |
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| 498 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 499 | |
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| 500 | #include "G4FieldManager.hh" |
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| 501 | #include "G4TransportationManager.hh" |
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| 502 | |
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| 503 | void DetectorConstruction::SetMagField(G4double fieldValue) |
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| 504 | { |
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| 505 | //apply a global uniform magnetic field along Z axis |
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| 506 | // |
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| 507 | G4FieldManager* fieldMgr |
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| 508 | = G4TransportationManager::GetTransportationManager()->GetFieldManager(); |
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| 509 | |
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| 510 | if(magField) delete magField; //delete the existing magn field |
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| 511 | |
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| 512 | if(fieldValue!=0.) // create a new one if non nul |
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| 513 | { magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue)); |
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| 514 | fieldMgr->SetDetectorField(magField); |
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| 515 | fieldMgr->CreateChordFinder(magField); |
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| 516 | } else { |
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| 517 | magField = 0; |
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| 518 | fieldMgr->SetDetectorField(magField); |
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| 519 | } |
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| 520 | } |
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| 521 | |
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| 522 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 523 | |
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| 524 | #include "G4RunManager.hh" |
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| 525 | |
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| 526 | void DetectorConstruction::UpdateGeometry() |
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| 527 | { |
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| 528 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructCalorimeter()); |
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| 529 | } |
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| 530 | |
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| 531 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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