| 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: ExN01DetectorConstruction.cc,v 1.5 2006/06/29 19:10:44 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 | #include "ExN01DetectorConstruction.hh"
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| 32 |
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| 33 | #include "G4Material.hh"
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| 34 | #include "G4Box.hh"
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| 35 | #include "G4Tubs.hh"
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| 36 | #include "G4LogicalVolume.hh"
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| 37 | #include "G4ThreeVector.hh"
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| 38 | #include "G4PVPlacement.hh"
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| 39 | #include "globals.hh"
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| 40 |
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| 41 | ExN01DetectorConstruction::ExN01DetectorConstruction()
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| 42 | : experimentalHall_log(0), tracker_log(0),
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| 43 | calorimeterBlock_log(0), calorimeterLayer_log(0),
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| 44 | experimentalHall_phys(0), calorimeterLayer_phys(0),
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| 45 | calorimeterBlock_phys(0), tracker_phys(0)
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| 46 | {;}
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| 47 |
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| 48 | ExN01DetectorConstruction::~ExN01DetectorConstruction()
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| 49 | {
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| 50 | }
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| 51 |
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| 52 | G4VPhysicalVolume* ExN01DetectorConstruction::Construct()
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| 53 | {
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| 54 |
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| 55 | //------------------------------------------------------ materials
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| 56 |
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| 57 | G4double a; // atomic mass
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| 58 | G4double z; // atomic number
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| 59 | G4double density;
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| 60 | G4String name;
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| 61 |
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| 62 | a = 39.95*g/mole;
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| 63 | density = 1.782e-03*g/cm3;
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| 64 | G4Material* Ar = new G4Material(name="ArgonGas", z=18., a, density);
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| 65 |
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| 66 | a = 26.98*g/mole;
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| 67 | density = 2.7*g/cm3;
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| 68 | G4Material* Al = new G4Material(name="Aluminum", z=13., a, density);
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| 69 |
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| 70 | a = 207.19*g/mole;
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| 71 | density = 11.35*g/cm3;
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| 72 | G4Material* Pb = new G4Material(name="Lead", z=82., a, density);
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| 73 |
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| 74 | //------------------------------------------------------ volumes
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| 75 |
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| 76 | //------------------------------ experimental hall (world volume)
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| 77 | //------------------------------ beam line along x axis
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| 78 |
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| 79 | G4double expHall_x = 3.0*m;
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| 80 | G4double expHall_y = 1.0*m;
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| 81 | G4double expHall_z = 1.0*m;
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| 82 | G4Box* experimentalHall_box
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| 83 | = new G4Box("expHall_box",expHall_x,expHall_y,expHall_z);
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| 84 | experimentalHall_log = new G4LogicalVolume(experimentalHall_box,
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| 85 | Ar,"expHall_log",0,0,0);
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| 86 | experimentalHall_phys = new G4PVPlacement(0,G4ThreeVector(),"expHall",
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| 87 | experimentalHall_log,0,false,0);
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| 88 |
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| 89 | //------------------------------ a tracker tube
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| 90 |
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| 91 | G4double innerRadiusOfTheTube = 0.*cm;
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| 92 | G4double outerRadiusOfTheTube = 60.*cm;
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| 93 | G4double hightOfTheTube = 50.*cm;
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| 94 | G4double startAngleOfTheTube = 0.*deg;
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| 95 | G4double spanningAngleOfTheTube = 360.*deg;
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| 96 | G4Tubs* tracker_tube = new G4Tubs("tracker_tube",innerRadiusOfTheTube,
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| 97 | outerRadiusOfTheTube,hightOfTheTube,
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| 98 | startAngleOfTheTube,spanningAngleOfTheTube);
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| 99 | tracker_log = new G4LogicalVolume(tracker_tube,Al,"tracker_log",0,0,0);
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| 100 | G4double trackerPos_x = -1.0*m;
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| 101 | G4double trackerPos_y = 0.*m;
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| 102 | G4double trackerPos_z = 0.*m;
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| 103 | tracker_phys = new G4PVPlacement(0,
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| 104 | G4ThreeVector(trackerPos_x,trackerPos_y,trackerPos_z),
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| 105 | tracker_log,"tracker",experimentalHall_log,false,0);
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| 106 |
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| 107 | //------------------------------ a calorimeter block
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| 108 |
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| 109 | G4double block_x = 1.0*m;
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| 110 | G4double block_y = 50.0*cm;
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| 111 | G4double block_z = 50.0*cm;
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| 112 | G4Box* calorimeterBlock_box = new G4Box("calBlock_box",block_x,
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| 113 | block_y,block_z);
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| 114 | calorimeterBlock_log = new G4LogicalVolume(calorimeterBlock_box,
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| 115 | Pb,"caloBlock_log",0,0,0);
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| 116 | G4double blockPos_x = 1.0*m;
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| 117 | G4double blockPos_y = 0.0*m;
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| 118 | G4double blockPos_z = 0.0*m;
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| 119 | calorimeterBlock_phys = new G4PVPlacement(0,
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| 120 | G4ThreeVector(blockPos_x,blockPos_y,blockPos_z),
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| 121 | calorimeterBlock_log,"caloBlock",experimentalHall_log,false,0);
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| 122 |
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| 123 | //------------------------------ calorimeter layers
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| 124 |
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| 125 | G4double calo_x = 1.*cm;
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| 126 | G4double calo_y = 40.*cm;
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| 127 | G4double calo_z = 40.*cm;
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| 128 | G4Box* calorimeterLayer_box = new G4Box("caloLayer_box",
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| 129 | calo_x,calo_y,calo_z);
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| 130 | calorimeterLayer_log = new G4LogicalVolume(calorimeterLayer_box,
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| 131 | Al,"caloLayer_log",0,0,0);
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| 132 | for(G4int i=0;i<19;i++) // loop for 19 layers
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| 133 | {
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| 134 | G4double caloPos_x = (i-9)*10.*cm;
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| 135 | G4double caloPos_y = 0.0*m;
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| 136 | G4double caloPos_z = 0.0*m;
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| 137 | calorimeterLayer_phys = new G4PVPlacement(0,
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| 138 | G4ThreeVector(caloPos_x,caloPos_y,caloPos_z),
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| 139 | calorimeterLayer_log,"caloLayer",calorimeterBlock_log,false,i);
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| 140 | }
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| 141 |
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| 142 | //------------------------------------------------------------------
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| 143 |
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| 144 | return experimentalHall_phys;
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| 145 | }
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| 146 |
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