[807] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: ExN06DetectorConstruction.cc,v 1.15 2006/06/29 17:54:17 gunter Exp $ |
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| 28 | // GEANT4 tag $Name: $ |
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| 29 | // |
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| 30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 31 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 32 | |
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| 33 | #include "ExN06DetectorConstruction.hh" |
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| 34 | |
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| 35 | #include "G4Material.hh" |
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| 36 | #include "G4MaterialTable.hh" |
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| 37 | #include "G4Element.hh" |
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| 38 | #include "G4ElementTable.hh" |
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| 39 | #include "G4LogicalBorderSurface.hh" |
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| 40 | #include "G4LogicalSkinSurface.hh" |
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| 41 | #include "G4Box.hh" |
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| 42 | #include "G4LogicalVolume.hh" |
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| 43 | #include "G4RotationMatrix.hh" |
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| 44 | #include "G4ThreeVector.hh" |
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| 45 | #include "G4Transform3D.hh" |
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| 46 | #include "G4PVPlacement.hh" |
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| 47 | #include "G4OpBoundaryProcess.hh" |
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| 48 | |
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| 49 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 50 | |
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| 51 | ExN06DetectorConstruction::ExN06DetectorConstruction() |
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| 52 | { |
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| 53 | expHall_x = expHall_y = expHall_z = 10*m; |
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| 54 | tank_x = tank_y = tank_z = 5*m; |
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| 55 | bubble_x = bubble_y = bubble_z = 0.5*m; |
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| 56 | } |
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| 57 | |
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| 58 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 59 | |
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| 60 | ExN06DetectorConstruction::~ExN06DetectorConstruction(){;} |
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| 61 | |
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| 62 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 63 | |
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| 64 | G4VPhysicalVolume* ExN06DetectorConstruction::Construct() |
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| 65 | { |
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| 66 | |
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| 67 | // ------------- Materials ------------- |
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| 68 | |
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| 69 | G4double a, z, density; |
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| 70 | G4int nelements; |
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| 71 | |
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| 72 | // Air |
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| 73 | // |
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| 74 | G4Element* N = new G4Element("Nitrogen", "N", z=7 , a=14.01*g/mole); |
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| 75 | G4Element* O = new G4Element("Oxygen" , "O", z=8 , a=16.00*g/mole); |
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| 76 | |
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| 77 | G4Material* Air = new G4Material("Air", density=1.29*mg/cm3, nelements=2); |
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| 78 | Air->AddElement(N, 70.*perCent); |
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| 79 | Air->AddElement(O, 30.*perCent); |
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| 80 | |
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| 81 | // Water |
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| 82 | // |
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| 83 | G4Element* H = new G4Element("Hydrogen", "H", z=1 , a=1.01*g/mole); |
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| 84 | |
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| 85 | G4Material* Water = new G4Material("Water", density= 1.0*g/cm3, nelements=2); |
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| 86 | Water->AddElement(H, 2); |
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| 87 | Water->AddElement(O, 1); |
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| 88 | |
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| 89 | // |
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| 90 | // ------------ Generate & Add Material Properties Table ------------ |
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| 91 | // |
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| 92 | const G4int nEntries = 32; |
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| 93 | |
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| 94 | G4double PhotonEnergy[nEntries] = |
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| 95 | { 2.034*eV, 2.068*eV, 2.103*eV, 2.139*eV, |
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| 96 | 2.177*eV, 2.216*eV, 2.256*eV, 2.298*eV, |
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| 97 | 2.341*eV, 2.386*eV, 2.433*eV, 2.481*eV, |
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| 98 | 2.532*eV, 2.585*eV, 2.640*eV, 2.697*eV, |
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| 99 | 2.757*eV, 2.820*eV, 2.885*eV, 2.954*eV, |
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| 100 | 3.026*eV, 3.102*eV, 3.181*eV, 3.265*eV, |
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| 101 | 3.353*eV, 3.446*eV, 3.545*eV, 3.649*eV, |
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| 102 | 3.760*eV, 3.877*eV, 4.002*eV, 4.136*eV }; |
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| 103 | // |
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| 104 | // Water |
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| 105 | // |
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| 106 | G4double RefractiveIndex1[nEntries] = |
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| 107 | { 1.3435, 1.344, 1.3445, 1.345, 1.3455, |
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| 108 | 1.346, 1.3465, 1.347, 1.3475, 1.348, |
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| 109 | 1.3485, 1.3492, 1.35, 1.3505, 1.351, |
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| 110 | 1.3518, 1.3522, 1.3530, 1.3535, 1.354, |
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| 111 | 1.3545, 1.355, 1.3555, 1.356, 1.3568, |
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| 112 | 1.3572, 1.358, 1.3585, 1.359, 1.3595, |
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| 113 | 1.36, 1.3608}; |
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| 114 | |
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| 115 | G4double Absorption1[nEntries] = |
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| 116 | {3.448*m, 4.082*m, 6.329*m, 9.174*m, 12.346*m, 13.889*m, |
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| 117 | 15.152*m, 17.241*m, 18.868*m, 20.000*m, 26.316*m, 35.714*m, |
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| 118 | 45.455*m, 47.619*m, 52.632*m, 52.632*m, 55.556*m, 52.632*m, |
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| 119 | 52.632*m, 47.619*m, 45.455*m, 41.667*m, 37.037*m, 33.333*m, |
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| 120 | 30.000*m, 28.500*m, 27.000*m, 24.500*m, 22.000*m, 19.500*m, |
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| 121 | 17.500*m, 14.500*m }; |
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| 122 | |
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| 123 | G4double ScintilFast[nEntries] = |
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| 124 | { 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, |
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| 125 | 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, |
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| 126 | 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, |
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| 127 | 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, |
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| 128 | 1.00, 1.00, 1.00, 1.00 }; |
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| 129 | G4double ScintilSlow[nEntries] = |
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| 130 | { 0.01, 1.00, 2.00, 3.00, 4.00, 5.00, 6.00, |
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| 131 | 7.00, 8.00, 9.00, 8.00, 7.00, 6.00, 4.00, |
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| 132 | 3.00, 2.00, 1.00, 0.01, 1.00, 2.00, 3.00, |
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| 133 | 4.00, 5.00, 6.00, 7.00, 8.00, 9.00, 8.00, |
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| 134 | 7.00, 6.00, 5.00, 4.00 }; |
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| 135 | |
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| 136 | G4MaterialPropertiesTable* myMPT1 = new G4MaterialPropertiesTable(); |
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| 137 | myMPT1->AddProperty("RINDEX", PhotonEnergy, RefractiveIndex1,nEntries); |
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| 138 | myMPT1->AddProperty("ABSLENGTH", PhotonEnergy, Absorption1, nEntries); |
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| 139 | myMPT1->AddProperty("FASTCOMPONENT",PhotonEnergy, ScintilFast, nEntries); |
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| 140 | myMPT1->AddProperty("SLOWCOMPONENT",PhotonEnergy, ScintilSlow, nEntries); |
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| 141 | |
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| 142 | myMPT1->AddConstProperty("SCINTILLATIONYIELD",50./MeV); |
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| 143 | myMPT1->AddConstProperty("RESOLUTIONSCALE",1.0); |
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| 144 | myMPT1->AddConstProperty("FASTTIMECONSTANT", 1.*ns); |
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| 145 | myMPT1->AddConstProperty("SLOWTIMECONSTANT",10.*ns); |
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| 146 | myMPT1->AddConstProperty("YIELDRATIO",0.8); |
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| 147 | |
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| 148 | Water->SetMaterialPropertiesTable(myMPT1); |
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| 149 | |
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| 150 | // |
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| 151 | // Air |
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| 152 | // |
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| 153 | G4double RefractiveIndex2[nEntries] = |
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| 154 | { 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, |
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| 155 | 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, |
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| 156 | 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, |
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| 157 | 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, |
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| 158 | 1.00, 1.00, 1.00, 1.00 }; |
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| 159 | |
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| 160 | G4MaterialPropertiesTable* myMPT2 = new G4MaterialPropertiesTable(); |
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| 161 | myMPT2->AddProperty("RINDEX", PhotonEnergy, RefractiveIndex2, nEntries); |
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| 162 | |
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| 163 | Air->SetMaterialPropertiesTable(myMPT2); |
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| 164 | |
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| 165 | // |
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| 166 | // ------------- Volumes -------------- |
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| 167 | |
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| 168 | // The experimental Hall |
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| 169 | // |
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| 170 | G4Box* expHall_box = new G4Box("World",expHall_x,expHall_y,expHall_z); |
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| 171 | |
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| 172 | G4LogicalVolume* expHall_log |
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| 173 | = new G4LogicalVolume(expHall_box,Air,"World",0,0,0); |
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| 174 | |
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| 175 | G4VPhysicalVolume* expHall_phys |
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| 176 | = new G4PVPlacement(0,G4ThreeVector(),expHall_log,"World",0,false,0); |
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| 177 | |
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| 178 | // The Water Tank |
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| 179 | // |
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| 180 | G4Box* waterTank_box = new G4Box("Tank",tank_x,tank_y,tank_z); |
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| 181 | |
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| 182 | G4LogicalVolume* waterTank_log |
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| 183 | = new G4LogicalVolume(waterTank_box,Water,"Tank",0,0,0); |
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| 184 | |
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| 185 | G4VPhysicalVolume* waterTank_phys |
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| 186 | = new G4PVPlacement(0,G4ThreeVector(),waterTank_log,"Tank", |
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| 187 | expHall_log,false,0); |
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| 188 | |
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| 189 | // The Air Bubble |
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| 190 | // |
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| 191 | G4Box* bubbleAir_box = new G4Box("Bubble",bubble_x,bubble_y,bubble_z); |
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| 192 | |
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| 193 | G4LogicalVolume* bubbleAir_log |
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| 194 | = new G4LogicalVolume(bubbleAir_box,Air,"Bubble",0,0,0); |
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| 195 | |
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| 196 | //G4VPhysicalVolume* bubbleAir_phys = |
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| 197 | new G4PVPlacement(0,G4ThreeVector(0,2.5*m,0),bubbleAir_log,"Bubble", |
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| 198 | waterTank_log,false,0); |
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| 199 | |
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| 200 | // ------------- Surfaces -------------- |
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| 201 | // |
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| 202 | // Water Tank |
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| 203 | // |
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| 204 | G4OpticalSurface* OpWaterSurface = new G4OpticalSurface("WaterSurface"); |
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| 205 | OpWaterSurface->SetType(dielectric_dielectric); |
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| 206 | OpWaterSurface->SetFinish(ground); |
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| 207 | OpWaterSurface->SetModel(unified); |
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| 208 | |
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| 209 | G4LogicalBorderSurface* WaterSurface = |
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| 210 | new G4LogicalBorderSurface("WaterSurface", |
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| 211 | waterTank_phys,expHall_phys,OpWaterSurface); |
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| 212 | |
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| 213 | if(WaterSurface->GetVolume1() == waterTank_phys) G4cout << "Equal" << G4endl; |
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| 214 | if(WaterSurface->GetVolume2() == expHall_phys ) G4cout << "Equal" << G4endl; |
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| 215 | |
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| 216 | // Air Bubble |
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| 217 | // |
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| 218 | G4OpticalSurface* OpAirSurface = new G4OpticalSurface("AirSurface"); |
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| 219 | OpAirSurface->SetType(dielectric_dielectric); |
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| 220 | OpAirSurface->SetFinish(polished); |
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| 221 | OpAirSurface->SetModel(glisur); |
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| 222 | |
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| 223 | G4LogicalSkinSurface* AirSurface = |
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| 224 | new G4LogicalSkinSurface("AirSurface", bubbleAir_log, OpAirSurface); |
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| 225 | |
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| 226 | if(AirSurface->GetLogicalVolume() == bubbleAir_log) G4cout << "Equal" << G4endl; |
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| 227 | ((G4OpticalSurface*) |
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| 228 | (AirSurface->GetSurface(bubbleAir_log)->GetSurfaceProperty()))->DumpInfo(); |
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| 229 | |
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| 230 | // |
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| 231 | // Generate & Add Material Properties Table attached to the optical surfaces |
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| 232 | // |
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| 233 | const G4int num = 2; |
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| 234 | G4double Ephoton[num] = {2.038*eV, 4.144*eV}; |
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| 235 | |
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| 236 | //OpticalWaterSurface |
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| 237 | G4double RefractiveIndex[num] = {1.35, 1.40}; |
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| 238 | G4double SpecularLobe[num] = {0.3, 0.3}; |
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| 239 | G4double SpecularSpike[num] = {0.2, 0.2}; |
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| 240 | G4double Backscatter[num] = {0.2, 0.2}; |
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| 241 | |
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| 242 | G4MaterialPropertiesTable* myST1 = new G4MaterialPropertiesTable(); |
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| 243 | |
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| 244 | myST1->AddProperty("RINDEX", Ephoton, RefractiveIndex, num); |
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| 245 | myST1->AddProperty("SPECULARLOBECONSTANT", Ephoton, SpecularLobe, num); |
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| 246 | myST1->AddProperty("SPECULARSPIKECONSTANT", Ephoton, SpecularSpike, num); |
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| 247 | myST1->AddProperty("BACKSCATTERCONSTANT", Ephoton, Backscatter, num); |
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| 248 | |
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| 249 | OpWaterSurface->SetMaterialPropertiesTable(myST1); |
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| 250 | |
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| 251 | //OpticalAirSurface |
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| 252 | G4double Reflectivity[num] = {0.3, 0.5}; |
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| 253 | G4double Efficiency[num] = {0.8, 1.0}; |
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| 254 | |
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| 255 | G4MaterialPropertiesTable *myST2 = new G4MaterialPropertiesTable(); |
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| 256 | |
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| 257 | myST2->AddProperty("REFLECTIVITY", Ephoton, Reflectivity, num); |
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| 258 | myST2->AddProperty("EFFICIENCY", Ephoton, Efficiency, num); |
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| 259 | |
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| 260 | OpAirSurface->SetMaterialPropertiesTable(myST2); |
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| 261 | |
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| 262 | //always return the physical World |
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| 263 | return expHall_phys; |
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| 264 | } |
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| 265 | |
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| 266 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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