[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 | // |
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| 27 | // $Id: AnaEx01DetectorConstruction.cc,v 1.5 2006/06/29 16:33:49 gunter Exp $ |
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| 28 | // GEANT4 tag $Name: $ |
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| 29 | // |
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| 30 | // |
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| 31 | |
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| 32 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 33 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 34 | |
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| 35 | #include "AnaEx01DetectorConstruction.hh" |
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| 36 | #include "AnaEx01DetectorMessenger.hh" |
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| 37 | |
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| 38 | #include "AnaEx01CalorimeterSD.hh" |
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| 39 | |
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| 40 | #include "G4Material.hh" |
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| 41 | #include "G4Box.hh" |
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| 42 | #include "G4LogicalVolume.hh" |
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| 43 | #include "G4PVPlacement.hh" |
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| 44 | #include "G4PVReplica.hh" |
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| 45 | #include "G4UniformMagField.hh" |
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| 46 | #include "G4FieldManager.hh" |
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| 47 | #include "G4TransportationManager.hh" |
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| 48 | #include "G4SDManager.hh" |
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| 49 | #include "G4RunManager.hh" |
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| 50 | |
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| 51 | #include "G4VisAttributes.hh" |
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| 52 | #include "G4Colour.hh" |
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| 53 | |
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| 54 | #include "G4ios.hh" |
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| 55 | |
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| 56 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 57 | |
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| 58 | AnaEx01DetectorConstruction::AnaEx01DetectorConstruction() |
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| 59 | :AbsorberMaterial(NULL) |
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| 60 | ,GapMaterial(NULL) |
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| 61 | ,defaultMaterial(NULL) |
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| 62 | ,solidWorld(NULL) |
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| 63 | ,logicWorld(NULL) |
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| 64 | ,physiWorld(NULL) |
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| 65 | ,solidCalor(NULL) |
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| 66 | ,logicCalor(NULL) |
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| 67 | ,physiCalor(NULL) |
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| 68 | ,solidLayer(NULL) |
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| 69 | ,logicLayer(NULL) |
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| 70 | ,physiLayer(NULL) |
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| 71 | ,solidAbsorber(NULL) |
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| 72 | ,logicAbsorber(NULL) |
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| 73 | ,physiAbsorber(NULL) |
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| 74 | ,solidGap(NULL) |
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| 75 | ,logicGap(NULL) |
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| 76 | ,physiGap(NULL) |
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| 77 | ,magField(NULL) |
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| 78 | ,calorimeterSD(NULL) |
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| 79 | { |
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| 80 | // default parameter values of the calorimeter |
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| 81 | AbsorberThickness = 10.*mm; |
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| 82 | GapThickness = 5.*mm; |
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| 83 | NbOfLayers = 10; |
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| 84 | CalorSizeYZ = 10.*cm; |
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| 85 | ComputeCalorParameters(); |
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| 86 | |
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| 87 | // create commands for interactive definition of the calorimeter |
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| 88 | detectorMessenger = new AnaEx01DetectorMessenger(this); |
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| 89 | } |
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| 90 | |
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| 91 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 92 | |
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| 93 | AnaEx01DetectorConstruction::~AnaEx01DetectorConstruction() |
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| 94 | { delete detectorMessenger;} |
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| 95 | |
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| 96 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 97 | |
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| 98 | G4VPhysicalVolume* AnaEx01DetectorConstruction::Construct() |
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| 99 | { |
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| 100 | DefineMaterials(); |
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| 101 | return ConstructCalorimeter(); |
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| 102 | } |
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| 103 | |
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| 104 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 105 | |
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| 106 | void AnaEx01DetectorConstruction::DefineMaterials() |
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| 107 | { |
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| 108 | //This function illustrates the possible ways to define materials |
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| 109 | |
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| 110 | G4String name, symbol; //a=mass of a mole; |
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| 111 | G4double a, z, density; //z=mean number of protons; |
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| 112 | G4int iz, n; //iz=number of protons in an isotope; |
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| 113 | // n=number of nucleons in an isotope; |
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| 114 | |
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| 115 | G4int ncomponents, natoms; |
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| 116 | G4double abundance, fractionmass; |
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| 117 | G4double temperature, pressure; |
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| 118 | |
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| 119 | // |
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| 120 | // define Elements |
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| 121 | // |
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| 122 | |
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| 123 | a = 1.01*g/mole; |
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| 124 | G4Element* H = new G4Element(name="Hydrogen",symbol="H" , z= 1., a); |
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| 125 | |
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| 126 | a = 12.01*g/mole; |
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| 127 | G4Element* C = new G4Element(name="Carbon" ,symbol="C" , z= 6., a); |
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| 128 | |
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| 129 | a = 14.01*g/mole; |
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| 130 | G4Element* N = new G4Element(name="Nitrogen",symbol="N" , z= 7., a); |
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| 131 | |
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| 132 | a = 16.00*g/mole; |
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| 133 | G4Element* O = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a); |
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| 134 | |
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| 135 | a = 28.09*g/mole; |
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| 136 | G4Element* Si = new G4Element(name="Silicon",symbol="Si" , z= 14., a); |
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| 137 | |
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| 138 | // |
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| 139 | // define an Element from isotopes, by relative abundance |
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| 140 | // |
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| 141 | |
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| 142 | G4Isotope* U5 = new G4Isotope(name="U235", iz=92, n=235, a=235.01*g/mole); |
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| 143 | G4Isotope* U8 = new G4Isotope(name="U238", iz=92, n=238, a=238.03*g/mole); |
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| 144 | |
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| 145 | G4Element* U = new G4Element(name="enriched Uranium", symbol="U", ncomponents=2); |
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| 146 | U->AddIsotope(U5, abundance= 90.*perCent); |
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| 147 | U->AddIsotope(U8, abundance= 10.*perCent); |
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| 148 | |
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| 149 | // |
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| 150 | // define simple materials |
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| 151 | // |
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| 152 | |
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| 153 | density = 1.390*g/cm3; |
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| 154 | a = 39.95*g/mole; |
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| 155 | G4Material* lAr = new G4Material(name="liquidArgon", z=18., a, density); |
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| 156 | |
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| 157 | density = 11.35*g/cm3; |
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| 158 | a = 207.19*g/mole; |
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| 159 | G4Material* Pb = new G4Material(name="Lead" , z=82., a, density); |
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| 160 | |
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| 161 | // |
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| 162 | // define a material from elements. case 1: chemical molecule |
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| 163 | // |
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| 164 | |
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| 165 | density = 1.000*g/cm3; |
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| 166 | G4Material* H2O = new G4Material(name="Water", density, ncomponents=2); |
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| 167 | H2O->AddElement(H, natoms=2); |
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| 168 | H2O->AddElement(O, natoms=1); |
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| 169 | |
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| 170 | density = 1.032*g/cm3; |
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| 171 | G4Material* Sci = new G4Material(name="Scintillator", density, ncomponents=2); |
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| 172 | Sci->AddElement(C, natoms=9); |
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| 173 | Sci->AddElement(H, natoms=10); |
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| 174 | |
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| 175 | density = 2.200*g/cm3; |
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| 176 | G4Material* SiO2 = new G4Material(name="quartz", density, ncomponents=2); |
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| 177 | SiO2->AddElement(Si, natoms=1); |
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| 178 | SiO2->AddElement(O , natoms=2); |
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| 179 | |
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| 180 | // |
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| 181 | // define a material from elements. case 2: mixture by fractional mass |
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| 182 | // |
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| 183 | |
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| 184 | density = 1.290*mg/cm3; |
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| 185 | G4Material* Air = new G4Material(name="Air" , density, ncomponents=2); |
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| 186 | Air->AddElement(N, fractionmass=0.7); |
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| 187 | Air->AddElement(O, fractionmass=0.3); |
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| 188 | |
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| 189 | // |
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| 190 | // define a material from elements and/or others materials (mixture of mixtures) |
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| 191 | // |
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| 192 | |
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| 193 | density = 0.200*g/cm3; |
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| 194 | G4Material* Aerog = new G4Material(name="Aerogel", density, ncomponents=3); |
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| 195 | Aerog->AddMaterial(SiO2, fractionmass=62.5*perCent); |
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| 196 | Aerog->AddMaterial(H2O , fractionmass=37.4*perCent); |
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| 197 | Aerog->AddElement (C , fractionmass= 0.1*perCent); |
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| 198 | |
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| 199 | // |
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| 200 | // examples of gas in non STP conditions |
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| 201 | // |
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| 202 | |
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| 203 | density = 27.*mg/cm3; |
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| 204 | pressure = 50.*atmosphere; |
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| 205 | temperature = 325.*kelvin; |
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| 206 | G4Material* CO2 = new G4Material(name="CarbonicGas", density, ncomponents=2, |
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| 207 | kStateGas,temperature,pressure); |
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| 208 | CO2->AddElement(C, natoms=1); |
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| 209 | CO2->AddElement(O, natoms=2); |
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| 210 | |
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| 211 | density = 0.3*mg/cm3; |
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| 212 | pressure = 2.*atmosphere; |
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| 213 | temperature = 500.*kelvin; |
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| 214 | G4Material* steam = new G4Material(name="WaterSteam", density, ncomponents=1, |
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| 215 | kStateGas,temperature,pressure); |
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| 216 | steam->AddMaterial(H2O, fractionmass=1.); |
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| 217 | |
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| 218 | // |
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| 219 | // examples of vacuum |
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| 220 | // |
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| 221 | |
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| 222 | density = universe_mean_density; //from PhysicalConstants.h |
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| 223 | pressure = 3.e-18*pascal; |
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| 224 | temperature = 2.73*kelvin; |
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| 225 | new G4Material(name="Galactic", z=1., a=1.01*g/mole, density, |
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| 226 | kStateGas,temperature,pressure); |
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| 227 | |
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| 228 | density = 1.e-5*g/cm3; |
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| 229 | pressure = 2.e-2*bar; |
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| 230 | temperature = STP_Temperature; //from PhysicalConstants.h |
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| 231 | G4Material* beam = new G4Material(name="Beam", density, ncomponents=1, |
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| 232 | kStateGas,temperature,pressure); |
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| 233 | beam->AddMaterial(Air, fractionmass=1.); |
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| 234 | |
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| 235 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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| 236 | |
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| 237 | //default materials of the calorimeter |
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| 238 | AbsorberMaterial = Pb; |
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| 239 | GapMaterial = lAr; |
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| 240 | defaultMaterial = Air; |
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| 241 | } |
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| 242 | |
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| 243 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 244 | |
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| 245 | G4VPhysicalVolume* AnaEx01DetectorConstruction::ConstructCalorimeter() |
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| 246 | { |
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| 247 | // complete the Calor parameters definition |
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| 248 | ComputeCalorParameters(); |
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| 249 | |
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| 250 | // |
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| 251 | // World |
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| 252 | // |
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| 253 | solidWorld = new G4Box("World", //its name |
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| 254 | WorldSizeX/2,WorldSizeYZ/2,WorldSizeYZ/2); //its size |
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| 255 | |
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| 256 | logicWorld = new G4LogicalVolume(solidWorld, //its solid |
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| 257 | defaultMaterial, //its material |
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| 258 | "World"); //its name |
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| 259 | |
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| 260 | physiWorld = new G4PVPlacement(0, //no rotation |
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| 261 | G4ThreeVector(), //at (0,0,0) |
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| 262 | "World", //its name |
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| 263 | logicWorld, //its logical volume |
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| 264 | NULL, //its mother volume |
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| 265 | false, //no boolean operation |
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| 266 | 0); //copy number |
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| 267 | |
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| 268 | // |
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| 269 | // Calorimeter |
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| 270 | // |
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| 271 | solidCalor=NULL; logicCalor=NULL; physiCalor=NULL; |
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| 272 | solidLayer=NULL; logicLayer=NULL; physiLayer=NULL; |
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| 273 | |
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| 274 | if (CalorThickness > 0.) |
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| 275 | { solidCalor = new G4Box("Calorimeter", //its name |
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| 276 | CalorThickness/2,CalorSizeYZ/2,CalorSizeYZ/2);//size |
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| 277 | |
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| 278 | logicCalor = new G4LogicalVolume(solidCalor, //its solid |
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| 279 | defaultMaterial, //its material |
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| 280 | "Calorimeter"); //its name |
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| 281 | |
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| 282 | physiCalor = new G4PVPlacement(0, //no rotation |
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| 283 | G4ThreeVector(), //at (0,0,0) |
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| 284 | "Calorimeter", //its name |
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| 285 | logicCalor, //its logical volume |
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| 286 | physiWorld, //its mother volume |
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| 287 | false, //no boolean operation |
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| 288 | 0); //copy number |
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| 289 | |
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| 290 | // |
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| 291 | // Layer |
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| 292 | // |
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| 293 | solidLayer = new G4Box("Layer", //its name |
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| 294 | LayerThickness/2,CalorSizeYZ/2,CalorSizeYZ/2); //size |
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| 295 | |
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| 296 | logicLayer = new G4LogicalVolume(solidLayer, //its solid |
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| 297 | defaultMaterial, //its material |
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| 298 | "Layer"); //its name |
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| 299 | if (NbOfLayers > 1) |
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| 300 | physiLayer = new G4PVReplica("Layer", //its name |
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| 301 | logicLayer, //its logical volume |
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| 302 | physiCalor, //its mother |
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| 303 | kXAxis, //axis of replication |
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| 304 | NbOfLayers, //number of replica |
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| 305 | LayerThickness); //witdth of replica |
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| 306 | else |
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| 307 | physiLayer = new G4PVPlacement(0, //no rotation |
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| 308 | G4ThreeVector(), //at (0,0,0) |
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| 309 | "Layer", //its name |
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| 310 | logicLayer, //its logical volume |
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| 311 | physiCalor, //its mother volume |
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| 312 | false, //no boolean operation |
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| 313 | 0); //copy number |
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| 314 | } |
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| 315 | |
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| 316 | // |
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| 317 | // Absorber |
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| 318 | // |
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| 319 | solidAbsorber=NULL; logicAbsorber=NULL; physiAbsorber=NULL; |
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| 320 | |
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| 321 | if (AbsorberThickness > 0.) |
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| 322 | { solidAbsorber = new G4Box("Absorber", //its name |
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| 323 | AbsorberThickness/2,CalorSizeYZ/2,CalorSizeYZ/2); |
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| 324 | |
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| 325 | logicAbsorber = new G4LogicalVolume(solidAbsorber, //its solid |
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| 326 | AbsorberMaterial, //its material |
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| 327 | "Absorber"); //its name |
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| 328 | |
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| 329 | physiAbsorber = new G4PVPlacement(0, //no rotation |
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| 330 | G4ThreeVector(-GapThickness/2,0.,0.), //its position |
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| 331 | "Absorber", //its name |
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| 332 | logicAbsorber, //its logical volume |
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| 333 | physiLayer, //its mother |
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| 334 | false, //no boulean operat |
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| 335 | 0); //copy number |
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| 336 | |
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| 337 | } |
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| 338 | |
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| 339 | // |
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| 340 | // Gap |
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| 341 | // |
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| 342 | solidGap=NULL; logicGap=NULL; physiGap=NULL; |
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| 343 | |
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| 344 | if (GapThickness > 0.) |
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| 345 | { solidGap = new G4Box("Gap", |
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| 346 | GapThickness/2,CalorSizeYZ/2,CalorSizeYZ/2); |
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| 347 | |
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| 348 | logicGap = new G4LogicalVolume(solidGap, |
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| 349 | GapMaterial, |
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| 350 | "Gap"); |
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| 351 | |
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| 352 | physiGap = new G4PVPlacement(0, //no rotation |
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| 353 | G4ThreeVector(AbsorberThickness/2,0.,0.), //its position |
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| 354 | "Gap", //its name |
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| 355 | logicGap, //its logical volume |
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| 356 | physiLayer, //its mother |
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| 357 | false, //no boulean operat |
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| 358 | 0); //copy number |
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| 359 | } |
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| 360 | |
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| 361 | // |
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| 362 | // Sensitive Detectors: Absorber and Gap |
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| 363 | // |
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| 364 | G4SDManager* SDman = G4SDManager::GetSDMpointer(); |
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| 365 | |
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| 366 | if(!calorimeterSD) |
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| 367 | { |
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| 368 | calorimeterSD = new AnaEx01CalorimeterSD("CalorSD",this); |
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| 369 | SDman->AddNewDetector( calorimeterSD ); |
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| 370 | } |
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| 371 | if (logicAbsorber) |
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| 372 | logicAbsorber->SetSensitiveDetector(calorimeterSD); |
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| 373 | if (logicGap) |
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| 374 | logicGap ->SetSensitiveDetector(calorimeterSD); |
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| 375 | |
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| 376 | // |
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| 377 | // Visualization attributes |
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| 378 | // |
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| 379 | logicWorld->SetVisAttributes (G4VisAttributes::Invisible); |
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| 380 | G4VisAttributes* simpleBoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0)); |
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| 381 | simpleBoxVisAtt->SetVisibility(true); |
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| 382 | logicCalor->SetVisAttributes(simpleBoxVisAtt); |
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| 383 | |
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| 384 | // |
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| 385 | //always return the physical World |
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| 386 | // |
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| 387 | PrintCalorParameters(); |
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| 388 | return physiWorld; |
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| 389 | } |
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| 390 | |
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| 391 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 392 | |
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| 393 | void AnaEx01DetectorConstruction::PrintCalorParameters() |
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| 394 | { |
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| 395 | G4cout << "\n------------------------------------------------------------" |
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| 396 | << "\n---> The calorimeter is " << NbOfLayers << " layers of: [ " |
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| 397 | << AbsorberThickness/mm << "mm of " << AbsorberMaterial->GetName() |
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| 398 | << " + " |
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| 399 | << GapThickness/mm << "mm of " << GapMaterial->GetName() << " ] " |
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| 400 | << "\n------------------------------------------------------------\n"; |
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| 401 | } |
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| 402 | |
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| 403 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 404 | |
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| 405 | void AnaEx01DetectorConstruction::SetAbsorberMaterial(G4String materialChoice) |
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| 406 | { |
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| 407 | // search the material by its name |
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| 408 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); |
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| 409 | if (pttoMaterial) |
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| 410 | {AbsorberMaterial = pttoMaterial; |
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| 411 | logicAbsorber->SetMaterial(pttoMaterial); |
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| 412 | PrintCalorParameters(); |
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| 413 | } |
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| 414 | } |
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| 415 | |
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| 416 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 417 | |
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| 418 | void AnaEx01DetectorConstruction::SetGapMaterial(G4String materialChoice) |
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| 419 | { |
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| 420 | // search the material by its name |
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| 421 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); |
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| 422 | if (pttoMaterial) |
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| 423 | {GapMaterial = pttoMaterial; |
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| 424 | logicGap->SetMaterial(pttoMaterial); |
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| 425 | PrintCalorParameters(); |
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| 426 | } |
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| 427 | } |
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| 428 | |
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| 429 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 430 | |
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| 431 | void AnaEx01DetectorConstruction::SetAbsorberThickness(G4double val) |
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| 432 | { |
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| 433 | // change Absorber thickness and recompute the calorimeter parameters |
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| 434 | AbsorberThickness = val; |
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| 435 | } |
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| 436 | |
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| 437 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 438 | |
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| 439 | void AnaEx01DetectorConstruction::SetGapThickness(G4double val) |
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| 440 | { |
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| 441 | // change Gap thickness and recompute the calorimeter parameters |
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| 442 | GapThickness = val; |
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| 443 | } |
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| 444 | |
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| 445 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 446 | |
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| 447 | void AnaEx01DetectorConstruction::SetCalorSizeYZ(G4double val) |
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| 448 | { |
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| 449 | // change the transverse size and recompute the calorimeter parameters |
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| 450 | CalorSizeYZ = val; |
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| 451 | } |
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| 452 | |
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| 453 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 454 | |
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| 455 | void AnaEx01DetectorConstruction::SetNbOfLayers(G4int val) |
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| 456 | { |
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| 457 | NbOfLayers = val; |
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| 458 | } |
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| 459 | |
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| 460 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 461 | |
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| 462 | void AnaEx01DetectorConstruction::SetMagField(G4double fieldValue) |
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| 463 | { |
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| 464 | //apply a global uniform magnetic field along Z axis |
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| 465 | G4FieldManager* fieldMgr |
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| 466 | = G4TransportationManager::GetTransportationManager()->GetFieldManager(); |
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| 467 | |
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| 468 | if(magField) delete magField; //delete the existing magn field |
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| 469 | |
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| 470 | if(fieldValue!=0.) // create a new one if non nul |
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| 471 | { magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue)); |
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| 472 | fieldMgr->SetDetectorField(magField); |
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| 473 | fieldMgr->CreateChordFinder(magField); |
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| 474 | } else { |
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| 475 | magField = NULL; |
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| 476 | fieldMgr->SetDetectorField(magField); |
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| 477 | } |
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| 478 | } |
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| 479 | |
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| 480 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 481 | |
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| 482 | void AnaEx01DetectorConstruction::UpdateGeometry() |
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| 483 | { |
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| 484 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructCalorimeter()); |
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| 485 | } |
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| 486 | |
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| 487 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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