| [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 | // --------------------------------------------------------------
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| 28 | // GEANT 4 - ULTRA experiment example
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| 29 | // --------------------------------------------------------------
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| 30 | //
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| 31 | // Code developed by:
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| 32 | // B. Tome, M.C. Espirito-Santo, A. Trindade, P. Rodrigues
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| 33 | //
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| 34 | // ****************************************************
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| 35 | // * UltraDetectorConstruction.cc
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| 36 | // ****************************************************
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| 37 | //
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| 38 | // Class used in the definition of the Ultra setup consisting of:
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| 39 | // - the UVscope detector
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| 40 | // - an optional reflecting surface
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| 41 | // Optical photons can reach the UVscope either directly or after reflection in the
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| 42 | // surface, which can be polished or diffusing.
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| 43 | // The main part of the UVscope definition is the Fresnel lens construction based
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| 44 | // on the UltraFresnelLens class.
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| 45 | //
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| 46 | #include <cmath>
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| 47 | #include "UltraDetectorConstruction.hh"
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| 48 | #include "UltraPMTSD.hh"
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| 49 | #include "UltraFresnelLens.hh"
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| 50 |
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| 51 | #include "G4SDManager.hh"
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| 52 | #include "G4Material.hh"
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| 53 | #include "G4MaterialTable.hh"
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| 54 | #include "G4Element.hh"
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| 55 | #include "G4ElementTable.hh"
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| 56 | #include "G4LogicalBorderSurface.hh"
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| 57 | #include "G4Box.hh"
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| 58 | #include "G4Sphere.hh"
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| 59 | #include "G4Tubs.hh"
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| 60 | #include "G4LogicalVolume.hh"
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| 61 | #include "G4RotationMatrix.hh"
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| 62 | #include "G4ThreeVector.hh"
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| 63 | #include "G4Transform3D.hh"
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| 64 | #include "G4PVPlacement.hh"
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| 65 | #include "G4OpBoundaryProcess.hh"
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| 66 | #include "G4VisAttributes.hh"
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| 67 | #include "G4Colour.hh"
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| 68 |
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| 69 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 70 |
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| 71 | UltraDetectorConstruction::UltraDetectorConstruction()
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| 72 | {
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| 73 |
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| 74 | PMTSD = 0;
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| 75 |
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| 76 | // Sensitive Detector Manager
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| 77 | SDmanager = G4SDManager::GetSDMpointer();
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| 78 | }
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| 79 |
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| 80 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 81 |
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| 82 | UltraDetectorConstruction::~UltraDetectorConstruction(){;}
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| 83 |
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| 84 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 85 |
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| 86 | G4VPhysicalVolume* UltraDetectorConstruction::Construct()
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| 87 | {
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| 88 | ConstructTableMaterials();
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| 89 |
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| 90 |
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| 91 |
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| 92 | // The experimental Hall
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| 93 | // ---------------------
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| 94 |
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| 95 | G4double World_x = 1.*m;
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| 96 | G4double World_y = 1.*m;
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| 97 | G4double World_z = 2*m;
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| 98 |
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| 99 | G4Box * World_box = new G4Box("World",World_x,World_y,World_z);
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| 100 |
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| 101 | // Get Air pointer from static funcion - (G4Material::GetMaterial)
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| 102 |
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| 103 | G4String name;
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| 104 | G4Material *Air = G4Material::GetMaterial(name = "Air");
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| 105 | G4LogicalVolume *World_log ;
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| 106 | World_log = new G4LogicalVolume(World_box,Air,"World",0,0,0);
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| 107 |
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| 108 | G4VPhysicalVolume *World_phys ;
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| 109 | World_phys = new G4PVPlacement(0,G4ThreeVector(),"World",World_log,0,false,0);
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| 110 |
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| 111 | G4VisAttributes* UniverseVisAtt = new G4VisAttributes(G4Colour(1.0,1.0,1.0));
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| 112 | UniverseVisAtt->SetVisibility(true);
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| 113 | UniverseVisAtt->SetForceWireframe(true);
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| 114 | World_log->SetVisAttributes(UniverseVisAtt);
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| 115 | World_log->SetVisAttributes (G4VisAttributes::Invisible);
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| 116 |
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| 117 |
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| 118 |
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| 119 | G4cout << "\n \n \n \n \n \n \n \n \n \n \n \n \n " << G4endl ;
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| 120 |
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| 121 | G4cout << "######################################################" << G4endl ;
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| 122 | G4cout << "# #" << G4endl ;
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| 123 | G4cout << "# #" << G4endl ;
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| 124 | G4cout << "# UltraDetectorConstruction: #" << G4endl ;
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| 125 | G4cout << "# #" << G4endl ;
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| 126 | G4cout << "# #" << G4endl ;
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| 127 |
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| 128 | G4VPhysicalVolume* chosenVolume;
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| 129 | chosenVolume = ConstructUVscope(World_phys);
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| 130 |
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| 131 |
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| 132 | G4cout << "# #" << G4endl ;
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| 133 | G4cout << "# #" << G4endl ;
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| 134 | G4cout << "######################################################" << G4endl ;
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| 135 |
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| 136 |
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| 137 | #ifdef ULTRA_MIRROR_USE
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| 138 |
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| 139 | G4cout << "Using mirror reflecting surface " << G4endl ;
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| 140 |
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| 141 | G4VPhysicalVolume* Mirror ;
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| 142 | Mirror = ConstructMirror(World_phys);
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| 143 |
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| 144 | #elif ULTRA_GROUND_USE
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| 145 |
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| 146 | G4cout << "Using ground reflecting surface " << G4endl ;
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| 147 |
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| 148 | G4VPhysicalVolume* Ground ;
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| 149 | Ground = ConstructGround(World_phys);
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| 150 |
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| 151 | #else
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| 152 |
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| 153 | G4cout << "No reflecting surface used" << G4endl ;
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| 154 |
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| 155 | #endif
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| 156 |
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| 157 | return World_phys;
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| 158 | }
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| 159 |
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| 160 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 161 |
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| 162 | void UltraDetectorConstruction::ConstructTableMaterials()
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| 163 | {
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| 164 | G4double a, z, density;
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| 165 | G4String name, symbol;
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| 166 | G4int nel;
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| 167 |
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| 168 |
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| 169 | // ------------- Elements -------------
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| 170 | a = 1.01*g/mole;
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| 171 | G4Element* elH = new G4Element(name="Hydrogen", symbol="H", z=1., a);
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| 172 |
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| 173 | a = 12.01*g/mole;
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| 174 | G4Element* elC = new G4Element(name="Carbon", symbol="C", z=6., a);
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| 175 |
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| 176 | a = 14.01*g/mole;
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| 177 | G4Element* elN = new G4Element(name="Nitrogen", symbol="N", z=7., a);
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| 178 |
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| 179 | a = 16.00*g/mole;
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| 180 | G4Element* elO = new G4Element(name="Oxygen", symbol="O", z=8., a);
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| 181 |
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| 182 | a = 28.09*g/mole;
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| 183 | G4Element* elSi = new G4Element(name="Silicon", symbol="Si", z=14., a);
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| 184 |
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| 185 |
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| 186 | // ------------- Materials -------------
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| 187 |
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| 188 |
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| 189 | // Air
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| 190 | // ---
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| 191 | density = 1.29e-03*g/cm3;
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| 192 | G4Material* Air = new G4Material(name="Air", density, nel=2);
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| 193 | Air->AddElement(elN, .7);
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| 194 | Air->AddElement(elO, .3);
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| 195 |
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| 196 |
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| 197 | // Aluminum
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| 198 | // ---------
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| 199 | a = 26.98*g/mole;
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| 200 | density = 2.7*g/cm3;
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| 201 | G4Material* Al ;
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| 202 | Al = new G4Material(name="Aluminum", z=13., a, density);
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| 203 |
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| 204 |
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| 205 | // Quartz
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| 206 | // -------
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| 207 | // density = 2.200*g/cm3; // fused quartz
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| 208 | density = 2.64*g/cm3; // crystalline quartz (c.f. PDG)
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| 209 | G4Material *Quartz = new G4Material(name="Quartz",density, nel=2);
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| 210 | Quartz->AddElement(elSi, 1) ;
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| 211 | Quartz->AddElement(elO , 2) ;
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| 212 |
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| 213 |
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| 214 | // PMMA C5H8O2 ( Acrylic )
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| 215 | // -------------
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| 216 | density = 1.19*g/cm3;
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| 217 | G4Material* Acrylic = new G4Material(name="Acrylic", density, nel=3);
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| 218 | Acrylic->AddElement(elC, 5);
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| 219 | Acrylic->AddElement(elH, 8);
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| 220 | Acrylic->AddElement(elO, 2);
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| 221 |
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| 222 |
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| 223 | /////////////////////////////////////////////
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| 224 | // Construct Material Properties Tables
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| 225 | /////////////////////////////////////////////
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| 226 |
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| 227 | const G4int NUMENTRIES = 32;
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| 228 |
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| 229 | // Energy bins
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| 230 | G4double X_RINDEX[NUMENTRIES] =
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| 231 | { 2.034E-9*GeV, 2.068E-9*GeV, 2.103E-9*GeV, 2.139E-9*GeV,
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| 232 | 2.177E-9*GeV, 2.216E-9*GeV, 2.256E-9*GeV, 2.298E-9*GeV,
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| 233 | 2.341E-9*GeV, 2.386E-9*GeV, 2.433E-9*GeV, 2.481E-9*GeV,
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| 234 | 2.532E-9*GeV, 2.585E-9*GeV, 2.640E-9*GeV, 2.697E-9*GeV,
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| 235 | 2.757E-9*GeV, 2.820E-9*GeV, 2.885E-9*GeV, 2.954E-9*GeV,
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| 236 | 3.026E-9*GeV, 3.102E-9*GeV, 3.181E-9*GeV, 3.265E-9*GeV,
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| 237 | 3.353E-9*GeV, 3.446E-9*GeV, 3.545E-9*GeV, 3.649E-9*GeV,
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| 238 | 3.760E-9*GeV, 3.877E-9*GeV, 4.002E-9*GeV, 4.136E-9*GeV } ;
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| 239 |
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| 240 |
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| 241 | // Air
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| 242 | G4double RINDEX_AIR[NUMENTRIES] =
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| 243 | { 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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| 244 | 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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| 245 | 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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| 246 | 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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| 247 | 1.00, 1.00, 1.00, 1.00 } ;
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| 248 |
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| 249 | // Air refractive index at 20 oC and 1 atm (from PDG)
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| 250 | for(G4int j=0 ; j<NUMENTRIES ; j++){
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| 251 | RINDEX_AIR[j] = RINDEX_AIR[j] + 2.73*std::pow(10.0,-4) ;
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| 252 | }
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| 253 |
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| 254 | G4MaterialPropertiesTable *MPT_Air = new G4MaterialPropertiesTable();
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| 255 | MPT_Air->AddProperty("RINDEX", X_RINDEX, RINDEX_AIR, NUMENTRIES);
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| 256 | Air->SetMaterialPropertiesTable(MPT_Air);
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| 257 |
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| 258 | //////////////////////////////////////////////////////////////////////////////////////
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| 259 | // Photomultiplier (PMT) window
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| 260 | // The refractive index is for lime glass;
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| 261 | // wavelength dependence is not included and value at 400nm is used.
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| 262 | //////////////////////////////////////////////////////////////////////////////////////
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| 263 |
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| 264 | // Refractive index
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| 265 |
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| 266 | const G4int N_RINDEX_QUARTZ = 2 ;
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| 267 | G4double X_RINDEX_QUARTZ[N_RINDEX_QUARTZ] = {0.0*eV, 10.0*eV};
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| 268 | G4double RINDEX_QUARTZ[N_RINDEX_QUARTZ] = {1.54, 1.54};
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| 269 |
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| 270 | G4MaterialPropertiesTable *MPT_PMT = new G4MaterialPropertiesTable();
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| 271 | MPT_PMT->AddProperty("RINDEX", X_RINDEX_QUARTZ, RINDEX_QUARTZ, N_RINDEX_QUARTZ);
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| 272 |
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| 273 | Quartz->SetMaterialPropertiesTable(MPT_PMT);
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| 274 |
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| 275 |
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| 276 | //////////////////////////////////////////////////////////////////
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| 277 | // ACRYLIC Optical properties
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| 278 | //////////////////////////////////////////////////////////////////
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| 279 |
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| 280 | // Refractive index
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| 281 |
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| 282 | const G4int N_RINDEX_ACRYLIC = 3 ;
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| 283 | G4double X_RINDEX_ACRYLIC[N_RINDEX_ACRYLIC] = {320.0, 400.0, 500.0}; // Wavelength in nanometers
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| 284 | G4double RINDEX_ACRYLIC[N_RINDEX_ACRYLIC] = {1.526, 1.507, 1.497};
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| 285 |
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| 286 | // Convert from nm to GeV
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| 287 |
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| 288 | for(G4int i=0;i<N_RINDEX_ACRYLIC; i++){
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| 289 | X_RINDEX_ACRYLIC[i] = ((1239.84/X_RINDEX_ACRYLIC[i])*1E-9)*GeV;
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| 290 | }
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| 291 |
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| 292 | G4MaterialPropertiesTable *MPT_Acrylic = new G4MaterialPropertiesTable();
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| 293 | MPT_Acrylic->AddProperty("RINDEX", X_RINDEX_ACRYLIC, RINDEX_ACRYLIC, N_RINDEX_ACRYLIC);
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| 294 | Acrylic->SetMaterialPropertiesTable(MPT_Acrylic);
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| 295 |
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| 296 |
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| 297 | //////////////////////////////////////////////////////////////////
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| 298 |
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| 299 | G4cout << *(G4Material::GetMaterialTable()) << G4endl ;
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| 300 |
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| 301 | }
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| 302 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 303 |
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| 304 | G4VPhysicalVolume* UltraDetectorConstruction::ConstructMirror(G4VPhysicalVolume *World_phys){
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| 305 |
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| 306 | G4double Mirror_x = 40.0*cm;
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| 307 | G4double Mirror_y = 40.0*cm;
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| 308 | G4double Mirror_z = 1*cm;
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| 309 |
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| 310 | G4Box * boxMirror = new G4Box("Mirror",Mirror_x,Mirror_y,Mirror_z);
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| 311 |
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| 312 | // Get Air pointer from static funcion - (G4Material::GetMaterial)
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| 313 |
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| 314 | G4String name;
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| 315 | G4Material *Al = G4Material::GetMaterial(name = "Aluminum");
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| 316 | G4LogicalVolume *logMirror ;
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| 317 | logMirror = new G4LogicalVolume(boxMirror,Al,"Mirror",0,0,0);
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| 318 |
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| 319 |
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| 320 | G4ThreeVector SurfacePosition = G4ThreeVector(0*m,0*m,1.5*m) ;
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| 321 |
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| 322 | // Rotate reflecting surface by 45. degrees around the OX axis.
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| 323 |
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| 324 | G4RotationMatrix *Surfrot = new G4RotationMatrix(G4ThreeVector(1.0,0.0,0.0),-pi/4.);
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| 325 |
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| 326 | G4VPhysicalVolume *physMirror ;
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| 327 | physMirror = new G4PVPlacement(Surfrot,SurfacePosition,"MirrorPV",logMirror,World_phys,false,0);
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| 328 |
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| 329 | G4VisAttributes* SurfaceVisAtt = new G4VisAttributes(G4Colour(0.0,0.0,1.0));
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| 330 | SurfaceVisAtt->SetVisibility(true);
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| 331 | SurfaceVisAtt->SetForceWireframe(true);
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| 332 | logMirror->SetVisAttributes(SurfaceVisAtt);
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| 333 |
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| 334 |
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| 335 | //////////////////////////////////////////////////////////////////////////////////////////
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| 336 | // Optical properties of the interface between the Air and Reflective Surface
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| 337 | // For Mirror, reflectivity is set at 95% and specular reflection is assumed.
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| 338 |
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| 339 |
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| 340 | G4OpticalSurface *OpticalAirMirror = new G4OpticalSurface("AirMirrorSurface");
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| 341 | OpticalAirMirror->SetModel(unified);
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| 342 | OpticalAirMirror->SetType(dielectric_dielectric);
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| 343 | OpticalAirMirror->SetFinish(polishedfrontpainted);
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| 344 |
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| 345 | const G4int NUM = 2;
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| 346 | G4double XX[NUM] = { 0.1E-9*GeV, 10.0E-9*GeV };
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| 347 | G4double ICEREFLECTIVITY[NUM] = { 0.95, 0.95 };
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| 348 |
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| 349 | G4MaterialPropertiesTable *AirMirrorMPT = new G4MaterialPropertiesTable();
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| 350 | AirMirrorMPT->AddProperty("REFLECTIVITY", XX, ICEREFLECTIVITY,NUM);
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| 351 | OpticalAirMirror->SetMaterialPropertiesTable(AirMirrorMPT);
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| 352 |
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| 353 |
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| 354 | G4LogicalBorderSurface *AirMirror ;
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| 355 | AirMirror = new G4LogicalBorderSurface("Air/Mirror Surface",World_phys,physMirror,OpticalAirMirror);
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| 356 |
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| 357 | return physMirror ;
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| 358 |
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| 359 | }
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| 360 |
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| 361 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 362 |
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| 363 | G4VPhysicalVolume* UltraDetectorConstruction::ConstructGround(G4VPhysicalVolume *World_phys){
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| 364 |
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| 365 | G4double Ground_x = 40.0*cm;
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| 366 | G4double Ground_y = 40.0*cm;
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| 367 | G4double Ground_z = 1*cm;
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| 368 |
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| 369 | G4Box * boxGround = new G4Box("Ground",Ground_x,Ground_y,Ground_z);
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| 370 |
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| 371 | // Get Air pointer from static funcion - (G4Material::GetMaterial)
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| 372 |
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| 373 | G4String name;
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| 374 | G4Material *Al = G4Material::GetMaterial(name = "Aluminum");
|
|---|
| 375 | G4LogicalVolume *logGround ;
|
|---|
| 376 | logGround = new G4LogicalVolume(boxGround,Al,"Ground",0,0,0);
|
|---|
| 377 |
|
|---|
| 378 |
|
|---|
| 379 | G4ThreeVector SurfacePosition = G4ThreeVector(0*m,0*m,1.5*m) ;
|
|---|
| 380 |
|
|---|
| 381 | // Rotate reflecting surface by 45. degrees around the OX axis.
|
|---|
| 382 |
|
|---|
| 383 | G4RotationMatrix *Surfrot = new G4RotationMatrix(G4ThreeVector(1.0,0.0,0.0),-pi/4.);
|
|---|
| 384 |
|
|---|
| 385 | G4VPhysicalVolume *physGround ;
|
|---|
| 386 | physGround = new G4PVPlacement(Surfrot,SurfacePosition,"GroundPV",logGround,World_phys,false,0);
|
|---|
| 387 |
|
|---|
| 388 | G4VisAttributes* SurfaceVisAtt = new G4VisAttributes(G4Colour(0.0,0.0,1.0));
|
|---|
| 389 | SurfaceVisAtt->SetVisibility(true);
|
|---|
| 390 | SurfaceVisAtt->SetForceWireframe(true);
|
|---|
| 391 | logGround->SetVisAttributes(SurfaceVisAtt);
|
|---|
| 392 |
|
|---|
| 393 |
|
|---|
| 394 | //////////////////////////////////////////////////////////////////////////////////////////
|
|---|
| 395 | // Optical properties of the interface between the Air and Reflective Surface
|
|---|
| 396 | // For Ground, reflectivity is set to 95% and diffusive reflection is assumed.
|
|---|
| 397 |
|
|---|
| 398 |
|
|---|
| 399 | G4OpticalSurface *OpticalAirGround = new G4OpticalSurface("AirGroundSurface");
|
|---|
| 400 | OpticalAirGround->SetModel(unified);
|
|---|
| 401 | OpticalAirGround->SetType(dielectric_dielectric);
|
|---|
| 402 | OpticalAirGround->SetFinish(groundfrontpainted);
|
|---|
| 403 |
|
|---|
| 404 | const G4int NUM = 2;
|
|---|
| 405 | G4double XX[NUM] = { 0.1E-9*GeV, 10.0E-9*GeV };
|
|---|
| 406 | G4double ICEREFLECTIVITY[NUM] = { 0.95, 0.95 };
|
|---|
| 407 |
|
|---|
| 408 | G4MaterialPropertiesTable *AirGroundMPT = new G4MaterialPropertiesTable();
|
|---|
| 409 | AirGroundMPT->AddProperty("REFLECTIVITY", XX, ICEREFLECTIVITY,NUM);
|
|---|
| 410 | OpticalAirGround->SetMaterialPropertiesTable(AirGroundMPT);
|
|---|
| 411 |
|
|---|
| 412 |
|
|---|
| 413 | G4LogicalBorderSurface *AirGround ;
|
|---|
| 414 | AirGround = new G4LogicalBorderSurface("Air/Ground Surface",World_phys,physGround,OpticalAirGround);
|
|---|
| 415 |
|
|---|
| 416 | return physGround ;
|
|---|
| 417 |
|
|---|
| 418 | }
|
|---|
| 419 |
|
|---|
| 420 |
|
|---|
| 421 |
|
|---|
| 422 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 423 |
|
|---|
| 424 | G4VPhysicalVolume* UltraDetectorConstruction::ConstructUVscope(G4VPhysicalVolume *World_phys){
|
|---|
| 425 |
|
|---|
| 426 | // ------------- Volumes --------------
|
|---|
| 427 |
|
|---|
| 428 | ////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|---|
| 429 |
|
|---|
| 430 | G4cout << "# #" << G4endl ;
|
|---|
| 431 | G4cout << "# Building the Telescope ... #" << G4endl ;
|
|---|
| 432 | G4cout << "# #" << G4endl ;
|
|---|
| 433 |
|
|---|
| 434 | /////////////////////////////////////////////////////////////
|
|---|
| 435 | // UVscope housing is a cylinder made of 1 mm thick aluminum
|
|---|
| 436 | /////////////////////////////////////////////////////////////
|
|---|
| 437 |
|
|---|
| 438 | G4double UVscopeHeight = 1030.0*mm ;
|
|---|
| 439 | G4double UVscopeDiameter = 518.0*mm ;
|
|---|
| 440 | G4double UVscopeThickness = 1.0*mm ;
|
|---|
| 441 | G4double UVscopeBaffle = 514.0*mm ;
|
|---|
| 442 |
|
|---|
| 443 | G4double UVscopeInnerRadius = UVscopeDiameter/2.0-UVscopeThickness ;
|
|---|
| 444 | G4double UVscopeOuterRadius = UVscopeDiameter/2.0 ;
|
|---|
| 445 |
|
|---|
| 446 | G4ThreeVector UVscopePosition = G4ThreeVector(0.0*m,0.0*m,-1.0*m) ;
|
|---|
| 447 | G4String name;
|
|---|
| 448 | G4Material* Al = G4Material::GetMaterial(name = "Aluminum");
|
|---|
| 449 |
|
|---|
| 450 |
|
|---|
| 451 | G4Tubs *solidUVscope =
|
|---|
| 452 | new G4Tubs("UVscopeSolid",UVscopeInnerRadius,UVscopeOuterRadius,UVscopeHeight/2.0,0.0,twopi) ;
|
|---|
| 453 | G4LogicalVolume *logicUVscope =
|
|---|
| 454 | new G4LogicalVolume(solidUVscope,Al,"UVscopeLV",0,0,0);
|
|---|
| 455 | G4VPhysicalVolume *physicalUVscope =
|
|---|
| 456 | new G4PVPlacement(0,UVscopePosition,"UVSCopePV",logicUVscope,World_phys,false,0);
|
|---|
| 457 |
|
|---|
| 458 |
|
|---|
| 459 | //////////////////////////////////////
|
|---|
| 460 | // Back cover of the UVscope cylinder
|
|---|
| 461 | //////////////////////////////////////
|
|---|
| 462 |
|
|---|
| 463 | G4Tubs *solidUVscopeBack =
|
|---|
| 464 | new G4Tubs("UVscopeBackSolid",0.0,UVscopeOuterRadius,UVscopeThickness/2.0,0.0,twopi) ;
|
|---|
| 465 |
|
|---|
| 466 | G4LogicalVolume *logicUVscopeBack =
|
|---|
| 467 | new G4LogicalVolume(solidUVscopeBack,Al,"UVscopeBackLV",0,0,0);
|
|---|
| 468 |
|
|---|
| 469 | G4ThreeVector UVscopeBackPosition ;
|
|---|
| 470 | UVscopeBackPosition = UVscopePosition+G4ThreeVector(0.0*mm,0.0*mm,-(UVscopeHeight/2.0+UVscopeThickness/2.0)) ;
|
|---|
| 471 | G4VPhysicalVolume *physicalUVscopeBack =
|
|---|
| 472 | new G4PVPlacement(0,UVscopeBackPosition,"UVscopeBack",logicUVscopeBack,World_phys,false,0);
|
|---|
| 473 |
|
|---|
| 474 |
|
|---|
| 475 |
|
|---|
| 476 | ////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|---|
| 477 |
|
|---|
| 478 | G4cout << "# #" << G4endl ;
|
|---|
| 479 | G4cout << "# Building the Fresnel lens ... #" << G4endl ;
|
|---|
| 480 | G4cout << "# #" << G4endl ;
|
|---|
| 481 |
|
|---|
| 482 | G4double LensDiameter = 457*mm ; // Size of the optical active area of the lens.
|
|---|
| 483 | G4int LensNumOfGrooves = 13 ;
|
|---|
| 484 | //G4int LensNumOfGrooves = 129 ;
|
|---|
| 485 | //G4int LensNumOfGrooves = 1287 ;
|
|---|
| 486 |
|
|---|
| 487 | G4double LensBorderThickness = 2.8*mm ; // Thickness of the border area.
|
|---|
| 488 | G4double LensFocalLength = 441.973*mm ; // This parameter depends on the lens geometry, etc !!
|
|---|
| 489 | G4Material *LensMaterial = G4Material::GetMaterial(name = "Acrylic") ;
|
|---|
| 490 | G4ThreeVector LensPosition = UVscopePosition+G4ThreeVector(0.0*mm,0.0*mm,UVscopeHeight/2.0-UVscopeBaffle) ;
|
|---|
| 491 |
|
|---|
| 492 |
|
|---|
| 493 | UltraFresnelLens *FresnelLens = new UltraFresnelLens(LensDiameter,LensNumOfGrooves,LensMaterial,World_phys,LensPosition) ;
|
|---|
| 494 |
|
|---|
| 495 |
|
|---|
| 496 | ///////////////////////////////////
|
|---|
| 497 | // Lens supporting ring (aluminum)
|
|---|
| 498 | ///////////////////////////////////
|
|---|
| 499 |
|
|---|
| 500 | G4Tubs *solidLensFrame = new G4Tubs("LensFrame",LensDiameter/2.0,UVscopeInnerRadius,LensBorderThickness/2.0,0.0,twopi) ;
|
|---|
| 501 | G4LogicalVolume *logicLensFrame = new G4LogicalVolume(solidLensFrame,Al,"LensFrameLV",0,0,0);
|
|---|
| 502 |
|
|---|
| 503 | G4ThreeVector LensFramePosition ;
|
|---|
| 504 | LensFramePosition = LensPosition+G4ThreeVector(0.0*mm,0.0*mm,-((FresnelLens->GetThickness())/2.0+solidLensFrame->GetDz())) ;
|
|---|
| 505 |
|
|---|
| 506 | G4VPhysicalVolume *physicalLensFrame =
|
|---|
| 507 | new G4PVPlacement(0,LensFramePosition,"LensFramePV",logicLensFrame,World_phys,false,0);
|
|---|
| 508 |
|
|---|
| 509 | ////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|---|
| 510 |
|
|---|
| 511 |
|
|---|
| 512 | G4cout << "# #" << G4endl ;
|
|---|
| 513 | G4cout << "# Building the photomultiplier ... #" << G4endl ;
|
|---|
| 514 | G4cout << "# #" << G4endl ;
|
|---|
| 515 |
|
|---|
| 516 |
|
|---|
| 517 | // Photomultiplier window is a spherical section made of quartz
|
|---|
| 518 |
|
|---|
| 519 | G4double PMT_thick = 1.0*mm ; // Thickness of PMT window
|
|---|
| 520 | G4double PMT_curv = 65.5*mm ; // Radius of curvature of PMT window
|
|---|
| 521 | G4double StartTheta = (180.0-31.2)*pi/180. ;
|
|---|
| 522 | G4double EndTheta = 31.2*pi/180. ;
|
|---|
| 523 |
|
|---|
| 524 | G4Sphere *solidPMT ;
|
|---|
| 525 | solidPMT = new G4Sphere("PMT_solid",PMT_curv-PMT_thick,PMT_curv,0.0,twopi,StartTheta,EndTheta);
|
|---|
| 526 |
|
|---|
| 527 | G4Material* Quartz = G4Material::GetMaterial(name = "Quartz");
|
|---|
| 528 | G4LogicalVolume * logicalPMT ;
|
|---|
| 529 | logicalPMT = new G4LogicalVolume(solidPMT,Quartz,"PMT_log",0,0,0);
|
|---|
| 530 |
|
|---|
| 531 |
|
|---|
| 532 | // Place PMT is at Lens Focus
|
|---|
| 533 |
|
|---|
| 534 | G4ThreeVector PMTpos = LensPosition + G4ThreeVector(0.0*cm,0.0*cm,-(LensFocalLength+PMT_curv)) ;
|
|---|
| 535 |
|
|---|
| 536 | // Rotate PMT window through the axis OX by an angle = 180. degrees
|
|---|
| 537 |
|
|---|
| 538 | G4RotationMatrix *PMTrot = new G4RotationMatrix(G4ThreeVector(1.0,0.0,0.0),pi);
|
|---|
| 539 | G4VPhysicalVolume *physPMT ;
|
|---|
| 540 | physPMT = new G4PVPlacement(PMTrot,PMTpos,"PMT1",logicalPMT,World_phys,false,0);
|
|---|
| 541 |
|
|---|
| 542 | if(!PMTSD)
|
|---|
| 543 | {
|
|---|
| 544 | PMTSD = new UltraPMTSD("PMTSD");
|
|---|
| 545 | SDmanager->AddNewDetector( PMTSD );
|
|---|
| 546 | }
|
|---|
| 547 |
|
|---|
| 548 | if (logicalPMT){logicalPMT->SetSensitiveDetector(PMTSD);}
|
|---|
| 549 |
|
|---|
| 550 | G4VisAttributes* PMTVisAtt = new G4VisAttributes(true,G4Colour(0.0,0.0,1.0)) ;
|
|---|
| 551 | logicalPMT->SetVisAttributes(PMTVisAtt);
|
|---|
| 552 |
|
|---|
| 553 | //////////////////////////////////////////////////////////////////////////////////////////
|
|---|
| 554 | // Optical properties of the interface between the Air and the walls of the
|
|---|
| 555 | // UVscope cylinder (5% reflectivity)
|
|---|
| 556 |
|
|---|
| 557 |
|
|---|
| 558 | G4cout << "# Defining interface's optical properties ... #" << G4endl ;
|
|---|
| 559 | G4cout << "# #" << G4endl ;
|
|---|
| 560 |
|
|---|
| 561 |
|
|---|
| 562 | G4OpticalSurface *OpticalAirPaint = new G4OpticalSurface("AirPaintSurface");
|
|---|
| 563 | OpticalAirPaint->SetModel(unified);
|
|---|
| 564 | OpticalAirPaint->SetType(dielectric_dielectric);
|
|---|
| 565 | OpticalAirPaint->SetFinish(groundfrontpainted);
|
|---|
| 566 |
|
|---|
| 567 | const G4int NUM = 2;
|
|---|
| 568 | G4double XX[NUM] = { 2.030E-9*GeV, 4.144E-9*GeV };
|
|---|
| 569 | G4double BLACKPAINTREFLECTIVITY[NUM] = { 0.05, 0.05 };
|
|---|
| 570 | //G4double WHITEPAINTREFLECTIVITY[NUM] = { 0.99, 0.99 };
|
|---|
| 571 |
|
|---|
| 572 | G4MaterialPropertiesTable *AirPaintMPT = new G4MaterialPropertiesTable();
|
|---|
| 573 | AirPaintMPT->AddProperty("REFLECTIVITY", XX, BLACKPAINTREFLECTIVITY,NUM);
|
|---|
| 574 | OpticalAirPaint->SetMaterialPropertiesTable(AirPaintMPT);
|
|---|
| 575 |
|
|---|
| 576 | //OpticalAirPaint->DumpInfo();
|
|---|
| 577 |
|
|---|
| 578 | G4LogicalBorderSurface *AirCylinder ;
|
|---|
| 579 | AirCylinder = new G4LogicalBorderSurface("Air/UVscope Cylinder Surface",World_phys,physicalUVscope,OpticalAirPaint);
|
|---|
| 580 |
|
|---|
| 581 | G4LogicalBorderSurface *AirLensFrame ;
|
|---|
| 582 | AirLensFrame = new G4LogicalBorderSurface("Air/LensFrame Surface",World_phys,physicalLensFrame,OpticalAirPaint);
|
|---|
| 583 |
|
|---|
| 584 | G4LogicalBorderSurface *AirBackCover ;
|
|---|
| 585 | AirBackCover = new G4LogicalBorderSurface("Air/UVscope Back Cover Surface",World_phys,physicalUVscopeBack,OpticalAirPaint);
|
|---|
| 586 |
|
|---|
| 587 |
|
|---|
| 588 | /////////////////////////////////////////////////////////////////////////////////////
|
|---|
| 589 |
|
|---|
| 590 |
|
|---|
| 591 | G4VisAttributes* LensVisAtt = new G4VisAttributes(G4Colour(1.0,0.0,0.0)) ; // Red
|
|---|
| 592 | LensVisAtt ->SetVisibility(true);
|
|---|
| 593 |
|
|---|
| 594 |
|
|---|
| 595 | if (FresnelLens){
|
|---|
| 596 | FresnelLens->GetPhysicalVolume()->GetLogicalVolume()->SetVisAttributes(LensVisAtt);
|
|---|
| 597 | }
|
|---|
| 598 |
|
|---|
| 599 | G4VisAttributes* UVscopeVisAtt = new G4VisAttributes(G4Colour(0.5,0.5,0.5)) ; // Gray
|
|---|
| 600 | UVscopeVisAtt ->SetVisibility(true);
|
|---|
| 601 |
|
|---|
| 602 | physicalUVscope ->GetLogicalVolume()->SetVisAttributes(UVscopeVisAtt);
|
|---|
| 603 | physicalUVscopeBack ->GetLogicalVolume()->SetVisAttributes(UVscopeVisAtt);
|
|---|
| 604 | physicalLensFrame ->GetLogicalVolume()->SetVisAttributes(UVscopeVisAtt);
|
|---|
| 605 |
|
|---|
| 606 | /////////////////////////////////////////////////////////////////////////////////////
|
|---|
| 607 |
|
|---|
| 608 | G4cout << "# #" << G4endl ;
|
|---|
| 609 | G4cout << "# UVscope is built ! ... #" << G4endl ;
|
|---|
| 610 | G4cout << "# #" << G4endl ;
|
|---|
| 611 |
|
|---|
| 612 | return physicalUVscope;
|
|---|
| 613 | }
|
|---|
| 614 |
|
|---|
| 615 |
|
|---|
| 616 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 617 |
|
|---|
| 618 |
|
|---|
| 619 |
|
|---|