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 | // Define wavelength limits for materials definition |
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80 | lambda_min = 200*nm ; |
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81 | lambda_max = 700*nm ; |
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82 | |
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83 | } |
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84 | |
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85 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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86 | |
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87 | UltraDetectorConstruction::~UltraDetectorConstruction(){;} |
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88 | |
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89 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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90 | |
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91 | G4VPhysicalVolume* UltraDetectorConstruction::Construct() |
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92 | { |
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93 | ConstructTableMaterials(); |
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94 | |
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95 | |
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96 | |
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97 | // The experimental Hall |
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98 | // --------------------- |
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99 | |
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100 | G4double World_x = 1.*m; |
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101 | G4double World_y = 1.*m; |
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102 | G4double World_z = 2*m; |
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103 | |
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104 | G4Box * World_box = new G4Box("World",World_x,World_y,World_z); |
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105 | |
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106 | // Get Air pointer from static funcion - (G4Material::GetMaterial) |
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107 | |
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108 | G4String name; |
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109 | G4Material *Air = G4Material::GetMaterial(name = "Air"); |
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110 | G4LogicalVolume *World_log ; |
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111 | World_log = new G4LogicalVolume(World_box,Air,"World",0,0,0); |
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112 | |
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113 | G4VPhysicalVolume *World_phys ; |
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114 | World_phys = new G4PVPlacement(0,G4ThreeVector(),"World",World_log,0,false,0); |
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115 | |
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116 | G4VisAttributes* UniverseVisAtt = new G4VisAttributes(G4Colour(1.0,1.0,1.0)); |
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117 | UniverseVisAtt->SetVisibility(true); |
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118 | UniverseVisAtt->SetForceWireframe(true); |
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119 | World_log->SetVisAttributes(UniverseVisAtt); |
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120 | World_log->SetVisAttributes (G4VisAttributes::Invisible); |
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121 | |
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122 | |
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123 | |
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124 | G4cout << "\n \n \n \n \n \n \n \n \n \n \n \n \n " << G4endl ; |
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125 | |
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126 | G4cout << "######################################################" << G4endl ; |
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127 | G4cout << "# #" << G4endl ; |
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128 | G4cout << "# #" << G4endl ; |
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129 | G4cout << "# UltraDetectorConstruction: #" << G4endl ; |
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130 | G4cout << "# #" << G4endl ; |
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131 | G4cout << "# #" << G4endl ; |
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132 | |
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133 | G4VPhysicalVolume* chosenVolume; |
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134 | chosenVolume = ConstructUVscope(World_phys); |
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135 | |
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136 | |
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137 | G4cout << "# #" << G4endl ; |
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138 | G4cout << "# #" << G4endl ; |
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139 | G4cout << "######################################################" << G4endl ; |
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140 | |
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141 | |
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142 | #ifdef ULTRA_MIRROR_USE |
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143 | |
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144 | G4cout << "Using mirror reflecting surface " << G4endl ; |
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145 | |
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146 | G4VPhysicalVolume* Mirror ; |
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147 | Mirror = ConstructMirror(World_phys); |
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148 | |
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149 | #elif ULTRA_GROUND_USE |
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150 | |
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151 | G4cout << "Using ground reflecting surface " << G4endl ; |
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152 | |
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153 | G4VPhysicalVolume* Ground ; |
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154 | Ground = ConstructGround(World_phys); |
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155 | |
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156 | #else |
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157 | |
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158 | G4cout << "No reflecting surface used" << G4endl ; |
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159 | |
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160 | #endif |
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161 | |
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162 | return World_phys; |
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163 | } |
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164 | |
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165 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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166 | |
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167 | void UltraDetectorConstruction::ConstructTableMaterials() |
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168 | { |
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169 | G4double a, z, density; |
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170 | G4String name, symbol; |
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171 | G4int nel; |
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172 | |
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173 | |
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174 | // ------------- Elements ------------- |
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175 | a = 1.01*g/mole; |
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176 | G4Element* elH = new G4Element(name="Hydrogen", symbol="H", z=1., a); |
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177 | |
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178 | a = 12.01*g/mole; |
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179 | G4Element* elC = new G4Element(name="Carbon", symbol="C", z=6., a); |
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180 | |
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181 | a = 14.01*g/mole; |
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182 | G4Element* elN = new G4Element(name="Nitrogen", symbol="N", z=7., a); |
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183 | |
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184 | a = 16.00*g/mole; |
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185 | G4Element* elO = new G4Element(name="Oxygen", symbol="O", z=8., a); |
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186 | |
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187 | a = 28.09*g/mole; |
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188 | G4Element* elSi = new G4Element(name="Silicon", symbol="Si", z=14., a); |
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189 | |
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190 | |
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191 | // ------------- Materials ------------- |
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192 | |
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193 | |
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194 | // Air |
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195 | // --- |
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196 | density = 1.29e-03*g/cm3; |
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197 | G4Material* Air = new G4Material(name="Air", density, nel=2); |
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198 | Air->AddElement(elN, .7); |
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199 | Air->AddElement(elO, .3); |
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200 | |
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201 | |
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202 | // Aluminum |
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203 | // --------- |
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204 | a = 26.98*g/mole; |
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205 | density = 2.7*g/cm3; |
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206 | G4Material* Al ; |
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207 | Al = new G4Material(name="Aluminum", z=13., a, density); |
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208 | |
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209 | |
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210 | // Quartz |
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211 | // ------- |
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212 | // density = 2.200*g/cm3; // fused quartz |
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213 | density = 2.64*g/cm3; // crystalline quartz (c.f. PDG) |
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214 | G4Material *Quartz = new G4Material(name="Quartz",density, nel=2); |
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215 | Quartz->AddElement(elSi, 1) ; |
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216 | Quartz->AddElement(elO , 2) ; |
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217 | |
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218 | |
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219 | // PMMA C5H8O2 ( Acrylic ) |
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220 | // ------------- |
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221 | density = 1.19*g/cm3; |
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222 | G4Material* Acrylic = new G4Material(name="Acrylic", density, nel=3); |
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223 | Acrylic->AddElement(elC, 5); |
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224 | Acrylic->AddElement(elH, 8); |
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225 | Acrylic->AddElement(elO, 2); |
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226 | |
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227 | |
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228 | ///////////////////////////////////////////// |
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229 | // Construct Material Properties Tables |
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230 | ///////////////////////////////////////////// |
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231 | |
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232 | const G4int NUMENTRIES = 2; |
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233 | |
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234 | // Energy bins |
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235 | G4double X_RINDEX[NUMENTRIES] = {h_Planck*c_light/lambda_max, h_Planck*c_light/lambda_min} ; |
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236 | |
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237 | |
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238 | // Air |
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239 | G4double RINDEX_AIR[NUMENTRIES] = {1.00, 1.00} ; |
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240 | |
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241 | // Air refractive index at 20 oC and 1 atm (from PDG) |
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242 | for(G4int j=0 ; j<NUMENTRIES ; j++){ |
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243 | RINDEX_AIR[j] = RINDEX_AIR[j] + 2.73*std::pow(10.0,-4) ; |
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244 | } |
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245 | |
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246 | G4MaterialPropertiesTable *MPT_Air = new G4MaterialPropertiesTable(); |
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247 | MPT_Air->AddProperty("RINDEX", X_RINDEX, RINDEX_AIR, NUMENTRIES); |
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248 | Air->SetMaterialPropertiesTable(MPT_Air); |
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249 | |
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250 | ////////////////////////////////////////////////////////////////////////////////////// |
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251 | // Photomultiplier (PMT) window |
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252 | // The refractive index is for lime glass; |
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253 | // wavelength dependence is not included and value at 400nm is used. |
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254 | ////////////////////////////////////////////////////////////////////////////////////// |
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255 | |
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256 | // Refractive index |
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257 | |
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258 | const G4int N_RINDEX_QUARTZ = 2 ; |
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259 | G4double X_RINDEX_QUARTZ[N_RINDEX_QUARTZ] = {h_Planck*c_light/lambda_max, h_Planck*c_light/lambda_min} ; |
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260 | G4double RINDEX_QUARTZ[N_RINDEX_QUARTZ] = {1.54, 1.54}; |
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261 | |
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262 | G4MaterialPropertiesTable *MPT_PMT = new G4MaterialPropertiesTable(); |
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263 | MPT_PMT->AddProperty("RINDEX", X_RINDEX_QUARTZ, RINDEX_QUARTZ, N_RINDEX_QUARTZ); |
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264 | |
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265 | Quartz->SetMaterialPropertiesTable(MPT_PMT); |
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266 | |
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267 | |
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268 | ////////////////////////////////////////////////////////////////// |
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269 | // ACRYLIC Optical properties |
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270 | ////////////////////////////////////////////////////////////////// |
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271 | |
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272 | // Refractive index |
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273 | |
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274 | const G4int NENTRIES = 11 ; |
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275 | G4double LAMBDA_ACRYLIC[NENTRIES] ; |
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276 | |
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277 | |
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278 | G4double RINDEX_ACRYLIC[NENTRIES] ; |
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279 | G4double ENERGY_ACRYLIC[NENTRIES] ; |
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280 | |
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281 | // Parameterization for refractive index of High Grade PMMA |
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282 | |
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283 | G4double bParam[4] = {1760.7010,-1.3687,2.4388e-3,-1.5178e-6} ; |
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284 | |
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285 | for(G4int i=0;i<NENTRIES; i++){ |
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286 | |
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287 | LAMBDA_ACRYLIC[i] = lambda_min + i*(lambda_max-lambda_min)/float(NENTRIES-1) ; |
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288 | RINDEX_ACRYLIC[i] = 0.0 ; |
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289 | |
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290 | for (G4int jj=0 ; jj<4 ; jj++) |
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291 | { |
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292 | RINDEX_ACRYLIC[i] += (bParam[jj]/1000.0)*std::pow(LAMBDA_ACRYLIC[i]/nm,jj) ; |
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293 | } |
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294 | |
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295 | ENERGY_ACRYLIC[i] = h_Planck*c_light/LAMBDA_ACRYLIC[i] ; // Convert from wavelength to energy ; |
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296 | // G4cout << ENERGY_ACRYLIC[i]/eV << " " << LAMBDA_ACRYLIC[i]/nm << " " << RINDEX_ACRYLIC[i] << G4endl ; |
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297 | |
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298 | } |
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299 | |
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300 | G4MaterialPropertiesTable *MPT_Acrylic = new G4MaterialPropertiesTable(); |
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301 | MPT_Acrylic->AddProperty("RINDEX", ENERGY_ACRYLIC, RINDEX_ACRYLIC, NENTRIES); |
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302 | |
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303 | |
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304 | // Absorption |
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305 | const G4int NENT = 25 ; |
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306 | G4double LAMBDAABS[NENT] = |
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307 | { |
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308 | 100.0, |
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309 | 246.528671, 260.605103, 263.853516, 266.019104, 268.726105, |
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310 | 271.433136, 273.598724, 276.305725, 279.554138, 300.127380, |
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311 | 320.159241, 340.191101, 360.764343, 381.337585, 399.745239, |
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312 | 421.401276, 440.891724, 460.382172, 480.414001, 500.987274, |
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313 | 520.477722, 540.509583, 559.458618, |
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314 | 700.0 |
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315 | } ; |
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316 | |
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317 | G4double ABS[NENT] = // Transmission (in %) of 3mm thick PMMA |
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318 | { |
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319 | 0.0000000, |
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320 | 0.0000000, 5.295952, 9.657321, 19.937695, 29.283491, |
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321 | 39.252335, 48.598133, 58.255451, 65.109039, 79.439247, |
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322 | 85.669785, 89.719627, 91.277260, 91.588783, 91.900307, |
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323 | 91.588783, 91.277260, 91.277260, 91.588783, 91.588783, |
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324 | 91.900307, 91.900307, 91.588783, |
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325 | 91.5 |
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326 | } ; |
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327 | |
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328 | |
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329 | MPT_Acrylic->AddProperty("ABSLENGTH", new G4MaterialPropertyVector()) ; |
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330 | for(G4int i=0;i<NENT; i++){ |
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331 | G4double energy = h_Planck*c_light/(LAMBDAABS[i]*nm) ; |
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332 | G4double abslength ; |
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333 | |
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334 | if (ABS[i] <= 0.0) { |
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335 | abslength = 1.0/kInfinity ; |
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336 | } |
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337 | else { |
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338 | abslength = -3.0*mm/(std::log(ABS[i]/100.0)) ; |
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339 | } |
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340 | |
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341 | MPT_Acrylic->AddEntry("ABSLENGTH", energy, abslength); |
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342 | |
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343 | } |
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344 | |
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345 | Acrylic->SetMaterialPropertiesTable(MPT_Acrylic); |
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346 | |
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347 | |
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348 | ////////////////////////////////////////////////////////////////// |
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349 | |
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350 | G4cout << *(G4Material::GetMaterialTable()) << G4endl ; |
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351 | |
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352 | } |
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353 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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354 | |
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355 | G4VPhysicalVolume* UltraDetectorConstruction::ConstructMirror(G4VPhysicalVolume *World_phys){ |
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356 | |
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357 | G4double Mirror_x = 40.0*cm; |
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358 | G4double Mirror_y = 40.0*cm; |
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359 | G4double Mirror_z = 1*cm; |
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360 | |
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361 | G4Box * boxMirror = new G4Box("Mirror",Mirror_x,Mirror_y,Mirror_z); |
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362 | |
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363 | // Get Air pointer from static funcion - (G4Material::GetMaterial) |
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364 | |
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365 | G4String name; |
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366 | G4Material *Al = G4Material::GetMaterial(name = "Aluminum"); |
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367 | G4LogicalVolume *logMirror ; |
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368 | logMirror = new G4LogicalVolume(boxMirror,Al,"Mirror",0,0,0); |
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369 | |
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370 | |
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371 | G4ThreeVector SurfacePosition = G4ThreeVector(0*m,0*m,1.5*m) ; |
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372 | |
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373 | // Rotate reflecting surface by 45. degrees around the OX axis. |
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374 | |
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375 | G4RotationMatrix *Surfrot = new G4RotationMatrix(G4ThreeVector(1.0,0.0,0.0),-pi/4.); |
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376 | |
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377 | G4VPhysicalVolume *physMirror ; |
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378 | physMirror = new G4PVPlacement(Surfrot,SurfacePosition,"MirrorPV",logMirror,World_phys,false,0); |
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379 | |
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380 | G4VisAttributes* SurfaceVisAtt = new G4VisAttributes(G4Colour(0.0,0.0,1.0)); |
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381 | SurfaceVisAtt->SetVisibility(true); |
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382 | SurfaceVisAtt->SetForceWireframe(true); |
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383 | logMirror->SetVisAttributes(SurfaceVisAtt); |
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384 | |
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385 | |
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386 | ////////////////////////////////////////////////////////////////////////////////////////// |
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387 | // Optical properties of the interface between the Air and Reflective Surface |
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388 | // For Mirror, reflectivity is set at 95% and specular reflection is assumed. |
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389 | |
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390 | |
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391 | G4OpticalSurface *OpticalAirMirror = new G4OpticalSurface("AirMirrorSurface"); |
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392 | OpticalAirMirror->SetModel(unified); |
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393 | OpticalAirMirror->SetType(dielectric_dielectric); |
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394 | OpticalAirMirror->SetFinish(polishedfrontpainted); |
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395 | |
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396 | const G4int NUM = 2; |
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397 | G4double XX[NUM] = {h_Planck*c_light/lambda_max, h_Planck*c_light/lambda_min} ; |
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398 | G4double ICEREFLECTIVITY[NUM] = { 0.95, 0.95 }; |
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399 | |
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400 | G4MaterialPropertiesTable *AirMirrorMPT = new G4MaterialPropertiesTable(); |
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401 | AirMirrorMPT->AddProperty("REFLECTIVITY", XX, ICEREFLECTIVITY,NUM); |
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402 | OpticalAirMirror->SetMaterialPropertiesTable(AirMirrorMPT); |
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403 | |
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404 | |
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405 | G4LogicalBorderSurface *AirMirror ; |
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406 | AirMirror = new G4LogicalBorderSurface("Air/Mirror Surface",World_phys,physMirror,OpticalAirMirror); |
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407 | |
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408 | return physMirror ; |
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409 | |
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410 | } |
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411 | |
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412 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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413 | |
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414 | G4VPhysicalVolume* UltraDetectorConstruction::ConstructGround(G4VPhysicalVolume *World_phys){ |
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415 | |
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416 | G4double Ground_x = 40.0*cm; |
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417 | G4double Ground_y = 40.0*cm; |
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418 | G4double Ground_z = 1*cm; |
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419 | |
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420 | G4Box * boxGround = new G4Box("Ground",Ground_x,Ground_y,Ground_z); |
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421 | |
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422 | // Get Air pointer from static funcion - (G4Material::GetMaterial) |
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423 | |
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424 | G4String name; |
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425 | G4Material *Al = G4Material::GetMaterial(name = "Aluminum"); |
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426 | G4LogicalVolume *logGround ; |
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427 | logGround = new G4LogicalVolume(boxGround,Al,"Ground",0,0,0); |
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428 | |
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429 | |
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430 | G4ThreeVector SurfacePosition = G4ThreeVector(0*m,0*m,1.5*m) ; |
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431 | |
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432 | // Rotate reflecting surface by 45. degrees around the OX axis. |
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433 | |
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434 | G4RotationMatrix *Surfrot = new G4RotationMatrix(G4ThreeVector(1.0,0.0,0.0),-pi/4.); |
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435 | |
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436 | G4VPhysicalVolume *physGround ; |
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437 | physGround = new G4PVPlacement(Surfrot,SurfacePosition,"GroundPV",logGround,World_phys,false,0); |
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438 | |
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439 | G4VisAttributes* SurfaceVisAtt = new G4VisAttributes(G4Colour(0.0,0.0,1.0)); |
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440 | SurfaceVisAtt->SetVisibility(true); |
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441 | SurfaceVisAtt->SetForceWireframe(true); |
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442 | logGround->SetVisAttributes(SurfaceVisAtt); |
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443 | |
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444 | |
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445 | ////////////////////////////////////////////////////////////////////////////////////////// |
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446 | // Optical properties of the interface between the Air and Reflective Surface |
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447 | // For Ground, reflectivity is set to 95% and diffusive reflection is assumed. |
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448 | |
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449 | |
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450 | G4OpticalSurface *OpticalAirGround = new G4OpticalSurface("AirGroundSurface"); |
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451 | OpticalAirGround->SetModel(unified); |
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452 | OpticalAirGround->SetType(dielectric_dielectric); |
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453 | OpticalAirGround->SetFinish(groundfrontpainted); |
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454 | |
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455 | const G4int NUM = 2; |
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456 | G4double XX[NUM] = {h_Planck*c_light/lambda_max, h_Planck*c_light/lambda_min} ; |
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457 | G4double ICEREFLECTIVITY[NUM] = { 0.95, 0.95 }; |
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458 | |
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459 | G4MaterialPropertiesTable *AirGroundMPT = new G4MaterialPropertiesTable(); |
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460 | AirGroundMPT->AddProperty("REFLECTIVITY", XX, ICEREFLECTIVITY,NUM); |
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461 | OpticalAirGround->SetMaterialPropertiesTable(AirGroundMPT); |
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462 | |
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463 | |
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464 | G4LogicalBorderSurface *AirGround ; |
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465 | AirGround = new G4LogicalBorderSurface("Air/Ground Surface",World_phys,physGround,OpticalAirGround); |
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466 | |
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467 | return physGround ; |
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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 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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474 | |
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475 | G4VPhysicalVolume* UltraDetectorConstruction::ConstructUVscope(G4VPhysicalVolume *World_phys){ |
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476 | |
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477 | // ------------- Volumes -------------- |
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478 | |
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479 | //////////////////////////////////////////////////////////////////////////////////////////////////////// |
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480 | |
---|
481 | G4cout << "# #" << G4endl ; |
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482 | G4cout << "# Building the Telescope ... #" << G4endl ; |
---|
483 | G4cout << "# #" << G4endl ; |
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484 | |
---|
485 | ///////////////////////////////////////////////////////////// |
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486 | // UVscope housing is a cylinder made of 1 mm thick aluminum |
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487 | ///////////////////////////////////////////////////////////// |
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488 | |
---|
489 | G4double UVscopeHeight = 1030.0*mm ; |
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490 | G4double UVscopeDiameter = 518.0*mm ; |
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491 | G4double UVscopeThickness = 1.0*mm ; |
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492 | G4double UVscopeBaffle = 514.0*mm ; |
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493 | |
---|
494 | G4double UVscopeInnerRadius = UVscopeDiameter/2.0-UVscopeThickness ; |
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495 | G4double UVscopeOuterRadius = UVscopeDiameter/2.0 ; |
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496 | |
---|
497 | G4ThreeVector UVscopePosition = G4ThreeVector(0.0*m,0.0*m,-1.0*m) ; |
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498 | G4String name; |
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499 | G4Material* Al = G4Material::GetMaterial(name = "Aluminum"); |
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500 | |
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501 | |
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502 | G4Tubs *solidUVscope = |
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503 | new G4Tubs("UVscopeSolid",UVscopeInnerRadius,UVscopeOuterRadius,UVscopeHeight/2.0,0.0,twopi) ; |
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504 | G4LogicalVolume *logicUVscope = |
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505 | new G4LogicalVolume(solidUVscope,Al,"UVscopeLV",0,0,0); |
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506 | G4VPhysicalVolume *physicalUVscope = |
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507 | new G4PVPlacement(0,UVscopePosition,"UVSCopePV",logicUVscope,World_phys,false,0); |
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508 | |
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509 | |
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510 | ////////////////////////////////////// |
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511 | // Back cover of the UVscope cylinder |
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512 | ////////////////////////////////////// |
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513 | |
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514 | G4Tubs *solidUVscopeBack = |
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515 | new G4Tubs("UVscopeBackSolid",0.0,UVscopeOuterRadius,UVscopeThickness/2.0,0.0,twopi) ; |
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516 | |
---|
517 | G4LogicalVolume *logicUVscopeBack = |
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518 | new G4LogicalVolume(solidUVscopeBack,Al,"UVscopeBackLV",0,0,0); |
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519 | |
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520 | G4ThreeVector UVscopeBackPosition ; |
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521 | UVscopeBackPosition = UVscopePosition+G4ThreeVector(0.0*mm,0.0*mm,-(UVscopeHeight/2.0+UVscopeThickness/2.0)) ; |
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522 | G4VPhysicalVolume *physicalUVscopeBack = |
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523 | new G4PVPlacement(0,UVscopeBackPosition,"UVscopeBack",logicUVscopeBack,World_phys,false,0); |
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524 | |
---|
525 | |
---|
526 | |
---|
527 | //////////////////////////////////////////////////////////////////////////////////////////////////////// |
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528 | |
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529 | G4cout << "# #" << G4endl ; |
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530 | G4cout << "# Building the Fresnel lens ... #" << G4endl ; |
---|
531 | G4cout << "# #" << G4endl ; |
---|
532 | |
---|
533 | G4double LensDiameter = 457*mm ; // Size of the optical active area of the lens. |
---|
534 | G4int LensNumOfGrooves = 13 ; |
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535 | //G4int LensNumOfGrooves = 129 ; |
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536 | //G4int LensNumOfGrooves = 1287 ; |
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537 | |
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538 | G4double LensBorderThickness = 2.8*mm ; // Thickness of the border area. |
---|
539 | G4double LensFocalLength = 441.973*mm ; // This parameter depends on the lens geometry, etc !! |
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540 | G4Material *LensMaterial = G4Material::GetMaterial(name = "Acrylic") ; |
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541 | G4ThreeVector LensPosition = UVscopePosition+G4ThreeVector(0.0*mm,0.0*mm,UVscopeHeight/2.0-UVscopeBaffle) ; |
---|
542 | |
---|
543 | |
---|
544 | UltraFresnelLens *FresnelLens = new UltraFresnelLens(LensDiameter,LensNumOfGrooves,LensMaterial,World_phys,LensPosition) ; |
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545 | |
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546 | |
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547 | /////////////////////////////////// |
---|
548 | // Lens supporting ring (aluminum) |
---|
549 | /////////////////////////////////// |
---|
550 | |
---|
551 | G4Tubs *solidLensFrame = new G4Tubs("LensFrame",LensDiameter/2.0,UVscopeInnerRadius,LensBorderThickness/2.0,0.0,twopi) ; |
---|
552 | G4LogicalVolume *logicLensFrame = new G4LogicalVolume(solidLensFrame,Al,"LensFrameLV",0,0,0); |
---|
553 | |
---|
554 | G4ThreeVector LensFramePosition ; |
---|
555 | LensFramePosition = LensPosition+G4ThreeVector(0.0*mm,0.0*mm,-((FresnelLens->GetThickness())/2.0+solidLensFrame->GetDz())) ; |
---|
556 | |
---|
557 | G4VPhysicalVolume *physicalLensFrame = |
---|
558 | new G4PVPlacement(0,LensFramePosition,"LensFramePV",logicLensFrame,World_phys,false,0); |
---|
559 | |
---|
560 | //////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
561 | |
---|
562 | |
---|
563 | G4cout << "# #" << G4endl ; |
---|
564 | G4cout << "# Building the photomultiplier ... #" << G4endl ; |
---|
565 | G4cout << "# #" << G4endl ; |
---|
566 | |
---|
567 | |
---|
568 | // Photomultiplier window is a spherical section made of quartz |
---|
569 | |
---|
570 | G4double PMT_thick = 1.0*mm ; // Thickness of PMT window |
---|
571 | G4double PMT_curv = 65.5*mm ; // Radius of curvature of PMT window |
---|
572 | G4double StartTheta = (180.0-31.2)*pi/180. ; |
---|
573 | G4double EndTheta = 31.2*pi/180. ; |
---|
574 | |
---|
575 | G4Sphere *solidPMT ; |
---|
576 | solidPMT = new G4Sphere("PMT_solid",PMT_curv-PMT_thick,PMT_curv,0.0,twopi,StartTheta,EndTheta); |
---|
577 | |
---|
578 | G4Material* Quartz = G4Material::GetMaterial(name = "Quartz"); |
---|
579 | G4LogicalVolume * logicalPMT ; |
---|
580 | logicalPMT = new G4LogicalVolume(solidPMT,Quartz,"PMT_log",0,0,0); |
---|
581 | |
---|
582 | |
---|
583 | // Place PMT is at Lens Focus |
---|
584 | |
---|
585 | G4ThreeVector PMTpos = LensPosition + G4ThreeVector(0.0*cm,0.0*cm,-(LensFocalLength+PMT_curv)) ; |
---|
586 | |
---|
587 | // Rotate PMT window through the axis OX by an angle = 180. degrees |
---|
588 | |
---|
589 | G4RotationMatrix *PMTrot = new G4RotationMatrix(G4ThreeVector(1.0,0.0,0.0),pi); |
---|
590 | G4VPhysicalVolume *physPMT ; |
---|
591 | physPMT = new G4PVPlacement(PMTrot,PMTpos,"PMT1",logicalPMT,World_phys,false,0); |
---|
592 | |
---|
593 | if(!PMTSD) |
---|
594 | { |
---|
595 | PMTSD = new UltraPMTSD("PMTSD"); |
---|
596 | SDmanager->AddNewDetector( PMTSD ); |
---|
597 | } |
---|
598 | |
---|
599 | if (logicalPMT){logicalPMT->SetSensitiveDetector(PMTSD);} |
---|
600 | |
---|
601 | G4VisAttributes* PMTVisAtt = new G4VisAttributes(true,G4Colour(0.0,0.0,1.0)) ; |
---|
602 | logicalPMT->SetVisAttributes(PMTVisAtt); |
---|
603 | |
---|
604 | ////////////////////////////////////////////////////////////////////////////////////////// |
---|
605 | // Optical properties of the interface between the Air and the walls of the |
---|
606 | // UVscope cylinder (5% reflectivity) |
---|
607 | |
---|
608 | |
---|
609 | G4cout << "# Defining interface's optical properties ... #" << G4endl ; |
---|
610 | G4cout << "# #" << G4endl ; |
---|
611 | |
---|
612 | |
---|
613 | G4OpticalSurface *OpticalAirPaint = new G4OpticalSurface("AirPaintSurface"); |
---|
614 | OpticalAirPaint->SetModel(unified); |
---|
615 | OpticalAirPaint->SetType(dielectric_dielectric); |
---|
616 | OpticalAirPaint->SetFinish(groundfrontpainted); |
---|
617 | |
---|
618 | const G4int NUM = 2; |
---|
619 | G4double XX[NUM] = {h_Planck*c_light/lambda_max, h_Planck*c_light/lambda_min} ; |
---|
620 | G4double BLACKPAINTREFLECTIVITY[NUM] = { 0.05, 0.05 }; |
---|
621 | //G4double WHITEPAINTREFLECTIVITY[NUM] = { 0.99, 0.99 }; |
---|
622 | |
---|
623 | G4MaterialPropertiesTable *AirPaintMPT = new G4MaterialPropertiesTable(); |
---|
624 | AirPaintMPT->AddProperty("REFLECTIVITY", XX, BLACKPAINTREFLECTIVITY,NUM); |
---|
625 | OpticalAirPaint->SetMaterialPropertiesTable(AirPaintMPT); |
---|
626 | |
---|
627 | //OpticalAirPaint->DumpInfo(); |
---|
628 | |
---|
629 | G4LogicalBorderSurface *AirCylinder ; |
---|
630 | AirCylinder = new G4LogicalBorderSurface("Air/UVscope Cylinder Surface",World_phys,physicalUVscope,OpticalAirPaint); |
---|
631 | |
---|
632 | G4LogicalBorderSurface *AirLensFrame ; |
---|
633 | AirLensFrame = new G4LogicalBorderSurface("Air/LensFrame Surface",World_phys,physicalLensFrame,OpticalAirPaint); |
---|
634 | |
---|
635 | G4LogicalBorderSurface *AirBackCover ; |
---|
636 | AirBackCover = new G4LogicalBorderSurface("Air/UVscope Back Cover Surface",World_phys,physicalUVscopeBack,OpticalAirPaint); |
---|
637 | |
---|
638 | |
---|
639 | ///////////////////////////////////////////////////////////////////////////////////// |
---|
640 | |
---|
641 | |
---|
642 | G4VisAttributes* LensVisAtt = new G4VisAttributes(G4Colour(1.0,0.0,0.0)) ; // Red |
---|
643 | LensVisAtt ->SetVisibility(true); |
---|
644 | |
---|
645 | |
---|
646 | if (FresnelLens){ |
---|
647 | FresnelLens->GetPhysicalVolume()->GetLogicalVolume()->SetVisAttributes(LensVisAtt); |
---|
648 | } |
---|
649 | |
---|
650 | G4VisAttributes* UVscopeVisAtt = new G4VisAttributes(G4Colour(0.5,0.5,0.5)) ; // Gray |
---|
651 | UVscopeVisAtt ->SetVisibility(true); |
---|
652 | |
---|
653 | physicalUVscope ->GetLogicalVolume()->SetVisAttributes(UVscopeVisAtt); |
---|
654 | physicalUVscopeBack ->GetLogicalVolume()->SetVisAttributes(UVscopeVisAtt); |
---|
655 | physicalLensFrame ->GetLogicalVolume()->SetVisAttributes(UVscopeVisAtt); |
---|
656 | |
---|
657 | ///////////////////////////////////////////////////////////////////////////////////// |
---|
658 | |
---|
659 | G4cout << "# #" << G4endl ; |
---|
660 | G4cout << "# UVscope is built ! ... #" << G4endl ; |
---|
661 | G4cout << "# #" << G4endl ; |
---|
662 | |
---|
663 | return physicalUVscope; |
---|
664 | } |
---|
665 | |
---|
666 | |
---|
667 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
668 | |
---|
669 | |
---|
670 | |
---|