[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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[1230] | 27 | // $Id: F03DetectorConstruction.cc,v 1.13 2009/11/05 01:10:06 gum Exp $ |
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| 28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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[807] | 29 | // |
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| 30 | // |
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| 31 | |
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| 32 | #include "F03DetectorConstruction.hh" |
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| 33 | #include "F03DetectorMessenger.hh" |
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| 34 | #include "F03CalorimeterSD.hh" |
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| 35 | #include "F03FieldSetup.hh" |
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| 36 | |
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| 37 | #include "G4Material.hh" |
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| 38 | #include "G4Tubs.hh" |
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| 39 | #include "G4LogicalVolume.hh" |
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| 40 | #include "G4PVPlacement.hh" |
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| 41 | #include "G4UniformMagField.hh" |
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| 42 | #include "G4FieldManager.hh" |
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| 43 | #include "G4TransportationManager.hh" |
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| 44 | #include "G4SDManager.hh" |
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| 45 | #include "G4RunManager.hh" |
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| 46 | |
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| 47 | #include "G4GeometryManager.hh" |
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| 48 | #include "G4PhysicalVolumeStore.hh" |
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| 49 | #include "G4LogicalVolumeStore.hh" |
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| 50 | #include "G4SolidStore.hh" |
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| 51 | |
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| 52 | #include "G4ios.hh" |
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| 53 | |
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| 54 | ///////////////////////////////////////////////////////////////////////////// |
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| 55 | // |
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| 56 | // |
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| 57 | |
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| 58 | F03DetectorConstruction::F03DetectorConstruction() |
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| 59 | : solidWorld(0), logicWorld(0), physiWorld(0), |
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| 60 | solidAbsorber(0),logicAbsorber(0), physiAbsorber(0), |
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| 61 | magField(0), fEmFieldSetup(0), calorimeterSD(0), |
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| 62 | AbsorberMaterial(0), fRadiatorMat(0), worldchanged(false), WorldMaterial(0) |
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| 63 | { |
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| 64 | // default parameter values of the calorimeter |
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| 65 | |
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| 66 | WorldSizeZ = 44000.*mm; |
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| 67 | WorldSizeR = 22000.*mm; |
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| 68 | |
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| 69 | AbsorberThickness = 1.0*mm; |
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| 70 | |
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| 71 | AbsorberRadius = 20000.*mm; |
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| 72 | |
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| 73 | zAbsorber = 21990.0*mm ; |
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| 74 | |
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| 75 | fRadThickness = 100*mm ; |
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| 76 | fGasGap = 100*mm ; |
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| 77 | fFoilNumber = 1 ; |
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| 78 | |
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| 79 | fDetGap = 1.0*mm ; |
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| 80 | |
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| 81 | fStartR = 40*cm ; |
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| 82 | fStartZ = 10.0*mm ; |
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| 83 | |
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| 84 | // create commands for interactive definition of the calorimeter |
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| 85 | |
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| 86 | detectorMessenger = new F03DetectorMessenger(this); |
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| 87 | |
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| 88 | DefineMaterials(); |
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| 89 | |
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| 90 | fEmFieldSetup = new F03FieldSetup() ; |
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| 91 | } |
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| 92 | |
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| 93 | ////////////////////////////////////////////////////////////////////////// |
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| 94 | // |
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| 95 | // |
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| 96 | |
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| 97 | F03DetectorConstruction::~F03DetectorConstruction() |
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| 98 | { |
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| 99 | delete detectorMessenger; |
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| 100 | if (fEmFieldSetup) delete fEmFieldSetup ; |
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| 101 | } |
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| 102 | |
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| 103 | ////////////////////////////////////////////////////////////////////////// |
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| 104 | // |
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| 105 | // |
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| 106 | |
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| 107 | G4VPhysicalVolume* F03DetectorConstruction::Construct() |
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| 108 | { |
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| 109 | return ConstructCalorimeter(); |
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| 110 | } |
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| 111 | |
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| 112 | ////////////////////////////////////////////////////////////////////////////// |
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| 113 | // |
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| 114 | // |
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| 115 | |
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| 116 | void F03DetectorConstruction::DefineMaterials() |
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| 117 | { |
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| 118 | // This function illustrates the possible ways to define materials |
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| 119 | |
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| 120 | G4String name, symbol ; // a=mass of a mole; |
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| 121 | G4double a, z, density ; // z=mean number of protons; |
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| 122 | G4int nel ; |
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| 123 | G4int ncomponents; |
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| 124 | G4double fractionmass, pressure, temperature; |
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| 125 | |
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| 126 | // |
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| 127 | // define Elements |
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| 128 | // |
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| 129 | |
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| 130 | a = 1.01*g/mole; |
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| 131 | G4Element* elH = new G4Element(name="Hydrogen",symbol="H" , z= 1., a); |
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| 132 | |
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| 133 | a = 12.01*g/mole; |
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| 134 | G4Element* elC = new G4Element(name="Carbon", symbol="C", z=6., a); |
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| 135 | |
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| 136 | a = 14.01*g/mole; |
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| 137 | G4Element* elN = new G4Element(name="Nitrogen",symbol="N" , z= 7., a); |
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| 138 | |
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| 139 | a = 16.00*g/mole; |
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| 140 | G4Element* elO = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a); |
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| 141 | |
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| 142 | a = 39.948*g/mole; |
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| 143 | G4Element* elAr = new G4Element(name="Argon", symbol="Ar", z=18., a); |
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| 144 | |
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| 145 | // |
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| 146 | // define simple materials |
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| 147 | // |
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| 148 | |
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| 149 | // Mylar |
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| 150 | |
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| 151 | density = 1.39*g/cm3; |
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| 152 | G4Material* Mylar = new G4Material(name="Mylar", density, nel=3); |
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| 153 | Mylar->AddElement(elO,2); |
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| 154 | Mylar->AddElement(elC,5); |
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| 155 | Mylar->AddElement(elH,4); |
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| 156 | |
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| 157 | // Polypropelene |
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| 158 | |
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| 159 | G4Material* CH2 = new G4Material ("Polypropelene" , 0.91*g/cm3, 2); |
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| 160 | CH2->AddElement(elH,2); |
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| 161 | CH2->AddElement(elC,1); |
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| 162 | |
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| 163 | // Krypton as detector gas, STP |
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| 164 | |
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| 165 | density = 3.700*mg/cm3 ; |
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| 166 | a = 83.80*g/mole ; |
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| 167 | G4Material* Kr = new G4Material(name="Kr",z=36., a, density ); |
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| 168 | |
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| 169 | // Dry air (average composition) |
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| 170 | |
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| 171 | density = 1.7836*mg/cm3 ; // STP |
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| 172 | G4Material* Argon = new G4Material(name="Argon" , density, ncomponents=1); |
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| 173 | Argon->AddElement(elAr, 1); |
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| 174 | |
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| 175 | density = 1.25053*mg/cm3 ; // STP |
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| 176 | G4Material* Nitrogen = new G4Material(name="N2" , density, ncomponents=1); |
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| 177 | Nitrogen->AddElement(elN, 2); |
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| 178 | |
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| 179 | density = 1.4289*mg/cm3 ; // STP |
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| 180 | G4Material* Oxygen = new G4Material(name="O2" , density, ncomponents=1); |
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| 181 | Oxygen->AddElement(elO, 2); |
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| 182 | |
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| 183 | density = 1.2928*mg/cm3 ; // STP |
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| 184 | density *= 1.0e-8 ; // pumped vacuum |
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| 185 | temperature = STP_Temperature; |
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| 186 | pressure = 1.0e-8*STP_Pressure; |
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| 187 | |
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| 188 | G4Material* Air = new G4Material(name="Air" , density, ncomponents=3, |
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| 189 | kStateGas,temperature,pressure); |
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| 190 | Air->AddMaterial( Nitrogen, fractionmass = 0.7557 ) ; |
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| 191 | Air->AddMaterial( Oxygen, fractionmass = 0.2315 ) ; |
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| 192 | Air->AddMaterial( Argon, fractionmass = 0.0128 ) ; |
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| 193 | |
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| 194 | // Xenon as detector gas, STP |
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| 195 | |
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| 196 | density = 5.858*mg/cm3 ; |
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| 197 | a = 131.29*g/mole ; |
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| 198 | G4Material* Xe = new G4Material(name="Xenon",z=54., a, density ); |
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| 199 | |
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| 200 | // Carbon dioxide, STP |
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| 201 | |
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[1230] | 202 | density = 1.842*mg/cm3; |
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[807] | 203 | G4Material* CarbonDioxide = new G4Material(name="CO2", density, nel=2); |
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| 204 | CarbonDioxide->AddElement(elC,1); |
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| 205 | CarbonDioxide->AddElement(elO,2); |
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| 206 | |
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| 207 | // 80% Xe + 20% CO2, STP |
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| 208 | |
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| 209 | density = 5.0818*mg/cm3 ; |
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| 210 | G4Material* Xe20CO2 = new G4Material(name="Xe20CO2" , density, ncomponents=2); |
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| 211 | Xe20CO2->AddMaterial( Xe, fractionmass = 0.922 ) ; |
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| 212 | Xe20CO2->AddMaterial( CarbonDioxide, fractionmass = 0.078 ) ; |
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| 213 | |
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| 214 | // 80% Kr + 20% CO2, STP |
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| 215 | |
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| 216 | density = 3.601*mg/cm3 ; |
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| 217 | G4Material* Kr20CO2 = new G4Material(name="Kr20CO2" , density, |
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| 218 | ncomponents=2); |
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| 219 | Kr20CO2->AddMaterial( Kr, fractionmass = 0.89 ) ; |
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| 220 | Kr20CO2->AddMaterial( CarbonDioxide, fractionmass = 0.11 ) ; |
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| 221 | |
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| 222 | |
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| 223 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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| 224 | |
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| 225 | //default materials of the calorimeter and TR radiator |
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| 226 | |
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| 227 | fRadiatorMat = Air ; // CH2 ; // Mylar ; |
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| 228 | |
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| 229 | AbsorberMaterial = Air ; // Kr20CO2 ; // XeCO2CF4 ; |
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| 230 | |
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| 231 | WorldMaterial = Air ; |
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| 232 | } |
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| 233 | |
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| 234 | ///////////////////////////////////////////////////////////////////////// |
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| 235 | // |
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| 236 | // |
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| 237 | |
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| 238 | G4VPhysicalVolume* F03DetectorConstruction::ConstructCalorimeter() |
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| 239 | { |
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| 240 | G4int j ; |
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| 241 | G4double zModule, zRadiator; |
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| 242 | |
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| 243 | // complete the Calor parameters definition and Print |
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| 244 | |
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| 245 | ComputeCalorParameters(); |
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| 246 | PrintCalorParameters(); |
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| 247 | |
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| 248 | // Cleanup old geometry |
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| 249 | |
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| 250 | if (physiWorld) |
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| 251 | { |
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| 252 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 253 | G4PhysicalVolumeStore::GetInstance()->Clean(); |
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| 254 | G4LogicalVolumeStore::GetInstance()->Clean(); |
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| 255 | G4SolidStore::GetInstance()->Clean(); |
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| 256 | } |
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| 257 | |
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| 258 | solidWorld = new G4Tubs("World", // its name |
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| 259 | 0.,WorldSizeR,WorldSizeZ/2.,0.,twopi); // its size |
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| 260 | |
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| 261 | logicWorld = new G4LogicalVolume(solidWorld, // its solid |
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| 262 | WorldMaterial, // its material |
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| 263 | "World"); // its name |
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| 264 | |
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| 265 | physiWorld = new G4PVPlacement(0, // no rotation |
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| 266 | G4ThreeVector(), // at (0,0,0) |
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| 267 | "World", // its name |
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| 268 | logicWorld, // its logical volume |
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| 269 | 0, // its mother volume |
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| 270 | false, // no boolean operation |
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| 271 | 0); // copy number |
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| 272 | |
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| 273 | // TR radiator envelope |
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| 274 | |
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| 275 | G4double radThick = fFoilNumber*(fRadThickness + fGasGap) + fDetGap ; |
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| 276 | |
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| 277 | G4double zRad = zAbsorber - 20*cm - 0.5*radThick ; |
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| 278 | G4cout<<"zRad = "<<zRad/mm<<" mm"<<G4endl ; |
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| 279 | |
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| 280 | radThick *= 1.02 ; |
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| 281 | G4cout<<"radThick = "<<radThick/mm<<" mm"<<G4endl ; |
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| 282 | G4cout<<"fFoilNumber = "<<fFoilNumber<<G4endl ; |
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| 283 | G4cout<<"fRadiatorMat = "<<fRadiatorMat->GetName()<<G4endl ; |
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| 284 | G4cout<<"WorldMaterial = "<<WorldMaterial->GetName()<<G4endl ; |
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| 285 | |
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| 286 | solidRadiator = new G4Tubs("Radiator",0.0, |
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| 287 | 1.01*AbsorberRadius, |
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| 288 | 0.5*radThick,0.0,twopi ) ; |
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| 289 | |
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| 290 | logicRadiator = new G4LogicalVolume(solidRadiator, |
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| 291 | WorldMaterial, |
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| 292 | "Radiator"); |
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| 293 | |
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| 294 | // Set local field manager and local field in radiator and its daughters: |
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| 295 | |
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| 296 | G4bool allLocal = true ; |
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| 297 | |
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| 298 | logicRadiator->SetFieldManager( fEmFieldSetup->GetLocalFieldManager(), |
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| 299 | allLocal ) ; |
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| 300 | |
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| 301 | |
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| 302 | physiRadiator = new G4PVPlacement(0, |
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| 303 | G4ThreeVector(0,0,zRad), |
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| 304 | "Radiator", logicRadiator, |
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| 305 | physiWorld, false, 0 ); |
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| 306 | |
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| 307 | fSolidRadSlice = new G4Tubs("RadSlice",0.0, |
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| 308 | AbsorberRadius,0.5*fRadThickness,0.0,twopi ) ; |
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| 309 | |
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| 310 | fLogicRadSlice = new G4LogicalVolume(fSolidRadSlice,fRadiatorMat, |
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| 311 | "RadSlice",0,0,0); |
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| 312 | |
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| 313 | zModule = zRad + 0.5*radThick/1.02 ; |
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| 314 | G4cout<<"zModule = "<<zModule/mm<<" mm"<<G4endl ; |
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| 315 | |
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| 316 | for(j=0;j<fFoilNumber;j++) |
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| 317 | { |
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| 318 | |
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| 319 | zRadiator = zModule - j*(fRadThickness + fGasGap) ; |
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| 320 | G4cout<<zRadiator/mm<<" mm"<<"\t" ; |
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| 321 | // G4cout<<"j = "<<j<<"\t" ; |
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| 322 | |
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| 323 | fPhysicRadSlice = new G4PVPlacement(0,G4ThreeVector(0.,0.,zRadiator-zRad), |
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| 324 | "RadSlice",fLogicRadSlice, |
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| 325 | physiRadiator,false,j); |
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| 326 | } |
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| 327 | G4cout<<G4endl ; |
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| 328 | |
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| 329 | // Absorber |
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| 330 | |
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| 331 | if (AbsorberThickness > 0.) |
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| 332 | { |
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| 333 | solidAbsorber = new G4Tubs("Absorber", 1.0*mm, |
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| 334 | AbsorberRadius, |
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| 335 | AbsorberThickness/2., |
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| 336 | 0.0,twopi); |
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| 337 | |
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| 338 | logicAbsorber = new G4LogicalVolume(solidAbsorber, |
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| 339 | AbsorberMaterial, |
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| 340 | "Absorber"); |
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| 341 | |
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| 342 | physiAbsorber = new G4PVPlacement(0, |
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| 343 | G4ThreeVector(0.,0.,zAbsorber), |
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| 344 | "Absorber", |
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| 345 | logicAbsorber, |
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| 346 | physiWorld, |
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| 347 | false, |
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| 348 | 0); |
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| 349 | } |
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| 350 | |
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| 351 | // Sensitive Detectors: Absorber |
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| 352 | |
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| 353 | G4SDManager* SDman = G4SDManager::GetSDMpointer(); |
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| 354 | |
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| 355 | if(!calorimeterSD) |
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| 356 | { |
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| 357 | calorimeterSD = new F03CalorimeterSD("CalorSD",this); |
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| 358 | SDman->AddNewDetector( calorimeterSD ); |
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| 359 | } |
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| 360 | if (logicAbsorber) logicAbsorber->SetSensitiveDetector(calorimeterSD); |
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| 361 | |
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| 362 | return physiWorld; |
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| 363 | } |
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| 364 | |
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| 365 | //////////////////////////////////////////////////////////////////////////// |
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| 366 | // |
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| 367 | // |
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| 368 | |
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| 369 | void F03DetectorConstruction::PrintCalorParameters() |
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| 370 | { |
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| 371 | G4cout << "\n The WORLD is made of " |
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| 372 | << WorldSizeZ/mm << "mm of " << WorldMaterial->GetName() ; |
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| 373 | G4cout << ", the transverse size (R) of the world is " << WorldSizeR/mm << " mm. " << G4endl; |
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| 374 | G4cout << " The ABSORBER is made of " |
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| 375 | << AbsorberThickness/mm << "mm of " << AbsorberMaterial->GetName() ; |
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| 376 | G4cout << ", the transverse size (R) is " << AbsorberRadius/mm << " mm. " << G4endl; |
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| 377 | G4cout << " Z position of the (middle of the) absorber " << zAbsorber/mm << " mm." << G4endl; |
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| 378 | G4cout << G4endl; |
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| 379 | } |
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| 380 | |
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| 381 | /////////////////////////////////////////////////////////////////////////// |
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| 382 | // |
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| 383 | // |
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| 384 | |
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| 385 | void F03DetectorConstruction::SetAbsorberMaterial(G4String materialChoice) |
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| 386 | { |
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| 387 | // get the pointer to the material table |
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| 388 | const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable(); |
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| 389 | |
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| 390 | // search the material by its name |
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| 391 | G4Material* pttoMaterial; |
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| 392 | for (size_t J=0 ; J<theMaterialTable->size() ; J++) |
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| 393 | { |
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| 394 | pttoMaterial = (*theMaterialTable)[J]; |
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| 395 | if(pttoMaterial->GetName() == materialChoice) |
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| 396 | { |
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| 397 | AbsorberMaterial = pttoMaterial; |
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| 398 | logicAbsorber->SetMaterial(pttoMaterial); |
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| 399 | } |
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| 400 | } |
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| 401 | } |
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| 402 | |
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| 403 | //////////////////////////////////////////////////////////////////////////// |
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| 404 | // |
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| 405 | // |
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| 406 | |
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| 407 | void F03DetectorConstruction::SetWorldMaterial(G4String materialChoice) |
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| 408 | { |
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| 409 | // get the pointer to the material table |
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| 410 | const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable(); |
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| 411 | |
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| 412 | // search the material by its name |
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| 413 | G4Material* pttoMaterial; |
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| 414 | for (size_t J=0 ; J<theMaterialTable->size() ; J++) |
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| 415 | { |
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| 416 | pttoMaterial = (*theMaterialTable)[J]; |
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| 417 | if(pttoMaterial->GetName() == materialChoice) |
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| 418 | { |
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| 419 | WorldMaterial = pttoMaterial; |
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| 420 | logicWorld->SetMaterial(pttoMaterial); |
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| 421 | } |
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| 422 | } |
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| 423 | } |
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| 424 | |
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| 425 | /////////////////////////////////////////////////////////////////////////// |
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| 426 | // |
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| 427 | // |
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| 428 | |
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| 429 | void F03DetectorConstruction::SetAbsorberThickness(G4double val) |
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| 430 | { |
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| 431 | // change Absorber thickness and recompute the calorimeter parameters |
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| 432 | AbsorberThickness = val; |
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| 433 | ComputeCalorParameters(); |
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| 434 | } |
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| 435 | |
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| 436 | ///////////////////////////////////////////////////////////////////////////// |
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| 437 | // |
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| 438 | // |
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| 439 | |
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| 440 | void F03DetectorConstruction::SetAbsorberRadius(G4double val) |
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| 441 | { |
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| 442 | // change the transverse size and recompute the calorimeter parameters |
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| 443 | AbsorberRadius = val; |
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| 444 | ComputeCalorParameters(); |
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| 445 | } |
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| 446 | |
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| 447 | //////////////////////////////////////////////////////////////////////////// |
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| 448 | // |
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| 449 | // |
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| 450 | |
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| 451 | void F03DetectorConstruction::SetWorldSizeZ(G4double val) |
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| 452 | { |
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| 453 | worldchanged=true; |
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| 454 | WorldSizeZ = val; |
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| 455 | ComputeCalorParameters(); |
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| 456 | } |
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| 457 | |
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| 458 | /////////////////////////////////////////////////////////////////////////// |
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| 459 | // |
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| 460 | // |
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| 461 | |
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| 462 | void F03DetectorConstruction::SetWorldSizeR(G4double val) |
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| 463 | { |
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| 464 | worldchanged=true; |
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| 465 | WorldSizeR = val; |
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| 466 | ComputeCalorParameters(); |
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| 467 | } |
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| 468 | |
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| 469 | ////////////////////////////////////////////////////////////////////////////// |
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| 470 | // |
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| 471 | // |
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| 472 | |
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| 473 | void F03DetectorConstruction::SetAbsorberZpos(G4double val) |
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| 474 | { |
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| 475 | zAbsorber = val; |
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| 476 | ComputeCalorParameters(); |
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| 477 | } |
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| 478 | |
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| 479 | |
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| 480 | /////////////////////////////////////////////////////////////////////////////// |
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| 481 | // |
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| 482 | // |
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| 483 | |
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| 484 | void F03DetectorConstruction::UpdateGeometry() |
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| 485 | { |
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| 486 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructCalorimeter()); |
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| 487 | } |
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| 488 | |
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| 489 | // |
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| 490 | // |
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| 491 | //////////////////////////////////////////////////////////////////////////// |
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