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 | // * * |
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29 | // * GEANT 4 xray_telescope advanced example * |
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30 | // * * |
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31 | // * MODULE: XrayTelDetectorConstruction.cc * |
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32 | // * ------- * |
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33 | // * * |
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34 | // * Version: 0.4 * |
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35 | // * Date: 06/11/00 * |
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36 | // * Author: R Nartallo * |
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37 | // * Organisation: ESA/ESTEC, Noordwijk, THe Netherlands * |
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38 | // * * |
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39 | // ********************************************************************** |
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40 | // |
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41 | // CHANGE HISTORY |
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42 | // -------------- |
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43 | // |
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44 | // 06.11.2000 R.Nartallo |
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45 | // - First implementation of xray_telescope geometry |
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46 | // - Based on Chandra and XMM models by R Nartallo, P Truscott, F Lei |
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47 | // and P Arce |
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48 | // |
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49 | // |
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50 | // ********************************************************************** |
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51 | |
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52 | #include "G4UnitsTable.hh" |
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53 | #include "G4VUserDetectorConstruction.hh" |
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54 | #include "G4Material.hh" |
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55 | #include "G4MaterialTable.hh" |
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56 | #include "G4Element.hh" |
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57 | #include "G4ElementTable.hh" |
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58 | #include "G4Box.hh" |
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59 | #include "G4Cons.hh" |
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60 | #include "G4Tubs.hh" |
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61 | #include "G4LogicalVolume.hh" |
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62 | #include "G4ThreeVector.hh" |
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63 | #include "G4PVPlacement.hh" |
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64 | #include "G4PVReplica.hh" |
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65 | #include "G4SDManager.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 | #include "globals.hh" |
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70 | |
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71 | #include "XrayTelDetectorConstruction.hh" |
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72 | |
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73 | XrayTelDetectorConstruction::XrayTelDetectorConstruction() |
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74 | { |
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75 | world_x = 2500.*cm; |
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76 | world_y = 2500.*cm; |
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77 | world_z = 2500.*cm; |
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78 | } |
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79 | |
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80 | XrayTelDetectorConstruction::~XrayTelDetectorConstruction() |
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81 | {;} |
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82 | |
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83 | G4VPhysicalVolume* XrayTelDetectorConstruction::Construct( ) |
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84 | { |
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85 | |
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86 | // Material: Vacuum |
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87 | G4Material* Vacuum = new G4Material("Vacuum", |
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88 | 1.0 , 1.01*g/mole, 1.0E-25*g/cm3, |
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89 | kStateGas, 2.73*kelvin, 3.0E-18*pascal ); |
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90 | |
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91 | // Visualization attributes |
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92 | G4VisAttributes* VisAttWorld= new G4VisAttributes( G4Colour(204/255.,255/255.,255/255.)); |
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93 | |
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94 | // World |
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95 | G4Box * solidWorld = new G4Box( "world_S", world_x, world_y, world_z ); |
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96 | G4LogicalVolume * logicalWorld = new G4LogicalVolume( solidWorld, // solid |
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97 | Vacuum, // material |
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98 | "world_L", // name |
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99 | 0,0,0); |
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100 | |
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101 | logicalWorld -> SetVisAttributes(VisAttWorld); |
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102 | |
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103 | // Physical volume |
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104 | physicalWorld= new G4PVPlacement( 0, |
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105 | G4ThreeVector(), |
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106 | "world_P", // name (2nd constructor) |
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107 | logicalWorld, // logical volume |
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108 | NULL, // mother volume |
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109 | false, // no boolean operation |
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110 | 0); // copy number |
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111 | |
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112 | // Make Invisible |
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113 | logicalWorld -> SetVisAttributes(G4VisAttributes::Invisible); |
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114 | |
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115 | // Construct geometry |
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116 | ConstructTelescope(); |
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117 | ConstructFocalPlane(); |
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118 | |
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119 | return physicalWorld; |
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120 | } |
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121 | |
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122 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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123 | |
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124 | // Construct Telescope |
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125 | |
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126 | void XrayTelDetectorConstruction::ConstructTelescope() |
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127 | { |
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128 | // Construct Mirror |
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129 | // Single shell mirror made of Nickel with thin Gold coating |
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130 | // Mirror made up of two cones approximating the parabolic section and |
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131 | // two cones approximating the hyperbolic section |
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132 | // The centre of the mirror is filled wiith a solid aluminium rod shaped as the |
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133 | // mirrors, so as to leave a constant BaffleGap distance from the mirror surface |
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134 | |
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135 | // Build materials |
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136 | G4Material* Ni = new G4Material("Nickel", 28., 58.6934*g/mole, 8.902*g/cm3); |
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137 | G4Material* Au = new G4Material("Gold", 79., 196.96654*g/mole, 19.300*g/cm3); |
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138 | G4Material* Al = new G4Material("Aluminium", 13., 26.98*g/mole, 2.700*g/cm3); |
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139 | |
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140 | // Visualization attributes |
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141 | G4VisAttributes* VisAttMirror = new G4VisAttributes( |
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142 | G4Colour(0/255., 0/255.,255/255.)); |
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143 | G4VisAttributes* VisAttAuCoating = new G4VisAttributes( |
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144 | G4Colour(255/255., 255/255., 0/255.)); |
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145 | G4VisAttributes* VisAttBaffle = new G4VisAttributes( |
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146 | G4Colour(128/255., 128/255., 128/255.)); |
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147 | |
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148 | // Rotation Matrix |
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149 | G4RotationMatrix *rotateMatrix = new G4RotationMatrix(); |
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150 | rotateMatrix -> rotateY(90.*deg); |
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151 | |
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152 | // Construct cones to make Mirror sections |
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153 | G4int i; |
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154 | G4double MirrorEnd[5] = { 34.9995975*cm, 34.8277209*cm, 34.6549918*cm, |
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155 | 34.1347834*cm, 33.6137753*cm }; |
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156 | G4double MirrorPosition[4] = { 772.5*cm, 757.5*cm, 742.5*cm, 727.5*cm }; |
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157 | G4double MirrorSectionLength = 15.0*cm; |
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158 | G4double MirrorNiThickness = 1.07*mm; |
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159 | G4double MirrorAuCoating = 50.0e-6*mm; |
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160 | G4double BaffleGap = 4.0*mm; |
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161 | |
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162 | G4Cons* MirrorSolid[4]; |
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163 | G4Cons* MirrorAuCoatingSolid[4]; |
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164 | G4Cons* BaffleSolid[4]; |
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165 | |
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166 | G4LogicalVolume* MirrorLogicalVolume[4]; |
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167 | G4LogicalVolume* MirrorAuCoatingLogicalVolume[4]; |
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168 | G4LogicalVolume* BaffleLogicalVolume[4]; |
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169 | |
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170 | for ( i=0; i<4; i++ ) { |
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171 | |
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172 | // Mirror Nickel base |
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173 | MirrorSolid[i] = new G4Cons( "Mirror_S", |
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174 | MirrorEnd[i], MirrorEnd[i] + MirrorNiThickness, |
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175 | MirrorEnd[i+1], MirrorEnd[i+1] + MirrorNiThickness, |
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176 | MirrorSectionLength/2, 0*deg, 360.*deg); |
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177 | MirrorLogicalVolume[i] = new G4LogicalVolume( |
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178 | MirrorSolid[i], Ni, "Mirror_L", 0, 0, 0 ); |
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179 | MirrorLogicalVolume[i]->SetVisAttributes(VisAttMirror); |
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180 | |
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181 | // Gold coating on mirror |
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182 | MirrorAuCoatingSolid[i] = new G4Cons( |
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183 | "MirrorAuCoating_S", |
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184 | MirrorEnd[i] - MirrorAuCoating, MirrorEnd[i], |
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185 | MirrorEnd[i+1] - MirrorAuCoating, MirrorEnd[i+1], |
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186 | MirrorSectionLength/2, 0*deg, 360.*deg); |
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187 | MirrorAuCoatingLogicalVolume[i] = new G4LogicalVolume( |
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188 | MirrorAuCoatingSolid[i], |
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189 | Au, |
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190 | "MirrorAuCoating_L", |
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191 | 0, 0, 0 ); |
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192 | MirrorAuCoatingLogicalVolume[i]->SetVisAttributes(VisAttAuCoating); |
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193 | |
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194 | // Aluminium baffle inside mirror |
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195 | BaffleSolid[i] = new G4Cons( "Baffle_S", |
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196 | 0, MirrorEnd[i] - BaffleGap, |
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197 | 0, MirrorEnd[i+1] - BaffleGap, |
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198 | MirrorSectionLength/2, 0*deg, 360.*deg); |
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199 | BaffleLogicalVolume[i] = new G4LogicalVolume( |
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200 | BaffleSolid[i], Al, "Baffle_L", 0, 0, 0 ); |
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201 | BaffleLogicalVolume[i]-> SetVisAttributes(VisAttBaffle); |
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202 | } |
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203 | |
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204 | // Physical volume |
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205 | G4VPhysicalVolume* MirrorPhysicalVolume[4]; |
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206 | G4VPhysicalVolume* MirrorAuCoatingPhysicalVolume[4]; |
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207 | G4VPhysicalVolume* BafflePhysicalVolume[4]; |
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208 | |
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209 | for ( i=0; i<4; i++ ) { |
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210 | MirrorPhysicalVolume[i] = new G4PVPlacement( |
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211 | rotateMatrix, |
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212 | G4ThreeVector( MirrorPosition[i], 0.0*cm, 0.0*cm ), |
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213 | "Mirror_P", |
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214 | MirrorLogicalVolume[i], |
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215 | physicalWorld, false, 0 ); |
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216 | MirrorAuCoatingPhysicalVolume[i] = new G4PVPlacement( |
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217 | rotateMatrix, |
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218 | G4ThreeVector( MirrorPosition[i], 0.0*cm, 0.0*cm ), |
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219 | "MirrorAuCoating_P", |
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220 | MirrorAuCoatingLogicalVolume[i], |
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221 | physicalWorld, false, 0 ); |
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222 | BafflePhysicalVolume[i] = new G4PVPlacement( |
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223 | rotateMatrix, |
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224 | G4ThreeVector( MirrorPosition[i], 0.0*cm, 0.0*cm ), |
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225 | "Baffle_P", |
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226 | BaffleLogicalVolume[i], |
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227 | physicalWorld, false, 0 ); |
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228 | } |
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229 | |
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230 | // Make Mirror Invisible |
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231 | |
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232 | for ( i=0; i<4; i++ ) { |
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233 | // MirrorLogicalVolume[i] -> SetVisAttributes(G4VisAttributes::Invisible); |
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234 | // MirrorAuCoatingLogicalVolume[i] -> SetVisAttributes(G4VisAttributes::Invisible); |
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235 | BaffleLogicalVolume[i] -> SetVisAttributes(G4VisAttributes::Invisible); |
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236 | } |
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237 | |
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238 | |
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239 | // Construct Optical Bench |
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240 | // Main Telescope carbon fibre tube and two aluminium end caps |
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241 | |
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242 | G4int nel; |
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243 | G4String symbol; |
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244 | |
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245 | // Elements |
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246 | G4Element* C = new G4Element("Carbon", symbol="C", 6., 12.011*g/mole); |
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247 | G4Element* H = new G4Element("Hydrogen",symbol="H", 1., 1.00794*g/mole); |
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248 | |
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249 | // Materials from Combination |
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250 | G4Material* Cf = new G4Material("Carbon Fibre", 2.0*g/cm3, nel=2); |
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251 | Cf->AddElement(C,1); |
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252 | Cf->AddElement(H,2); |
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253 | |
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254 | // Visualization attributes |
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255 | G4VisAttributes* VisAttBench = new G4VisAttributes( |
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256 | G4Colour(0/255., 200/255., 0/255.)); |
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257 | |
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258 | // Construct Optical bench |
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259 | G4double BenchThickness = 1.0*cm; |
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260 | G4double BenchFrontEndMinRadiusOut = MirrorEnd[4] + |
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261 | ( MirrorEnd[3] - MirrorEnd[4] )*7.5/15 |
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262 | + MirrorNiThickness; |
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263 | G4double BenchFrontEndMinRadiusIn = MirrorEnd[4] + |
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264 | ( MirrorEnd[3] - MirrorEnd[4] )*7.4/15 |
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265 | + MirrorNiThickness; |
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266 | G4double BenchFrontEndMaxRadius = MirrorEnd[4] + MirrorNiThickness + 25.*cm; |
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267 | G4double BenchBackEndMinRadius = 0.0*cm; |
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268 | G4double BenchBackEndMaxRadius = MirrorEnd[4] + MirrorNiThickness + 5.*cm; |
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269 | G4double BenchMainLength; |
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270 | |
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271 | BenchMainLength = MirrorPosition[3] - BenchThickness; |
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272 | |
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273 | G4Cons* BenchFrontEndSolid; |
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274 | G4Tubs* BenchBackEndSolid; |
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275 | G4Cons* BenchMainSolid; |
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276 | |
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277 | G4LogicalVolume* BenchFrontEndLogicalVolume; |
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278 | G4LogicalVolume* BenchBackEndLogicalVolume; |
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279 | G4LogicalVolume* BenchMainLogicalVolume; |
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280 | |
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281 | BenchFrontEndSolid = new G4Cons( "BenchFrontEnd_S", |
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282 | BenchFrontEndMinRadiusOut, BenchFrontEndMaxRadius, |
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283 | BenchFrontEndMinRadiusIn, BenchFrontEndMaxRadius, |
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284 | BenchThickness/2, 0*deg, 360.*deg ); |
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285 | BenchFrontEndLogicalVolume = new G4LogicalVolume( |
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286 | BenchFrontEndSolid, Al, "BenchFrontEnd_L", 0, 0, 0 ); |
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287 | BenchFrontEndLogicalVolume->SetVisAttributes(VisAttBench); |
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288 | |
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289 | BenchBackEndSolid = new G4Tubs( "BenchBackEnd_S", |
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290 | BenchBackEndMinRadius, BenchBackEndMaxRadius, |
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291 | BenchThickness/2, 0*deg, 360.*deg ); |
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292 | BenchBackEndLogicalVolume = new G4LogicalVolume( |
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293 | BenchBackEndSolid, Al, "BenchBackEnd_L", 0, 0, 0 ); |
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294 | BenchBackEndLogicalVolume->SetVisAttributes(VisAttBench); |
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295 | |
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296 | BenchMainSolid = new G4Cons( "BenchMain_S", |
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297 | BenchFrontEndMaxRadius - BenchThickness, |
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298 | BenchFrontEndMaxRadius, |
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299 | BenchBackEndMaxRadius - BenchThickness, |
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300 | BenchBackEndMaxRadius, |
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301 | BenchMainLength/2, 0*deg, 360.*deg); |
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302 | BenchMainLogicalVolume = new G4LogicalVolume( |
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303 | BenchMainSolid, Cf, "BenchMain_L", 0, 0, 0 ); |
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304 | BenchMainLogicalVolume -> SetVisAttributes(VisAttBench); |
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305 | |
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306 | // Physical volume |
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307 | G4VPhysicalVolume* BenchFrontEndPhysicalVolume; |
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308 | G4VPhysicalVolume* BenchBackEndPhysicalVolume; |
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309 | G4VPhysicalVolume* BenchMainPhysicalVolume; |
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310 | |
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311 | BenchFrontEndPhysicalVolume = new G4PVPlacement( |
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312 | rotateMatrix, |
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313 | G4ThreeVector( MirrorPosition[3] - BenchThickness/2, |
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314 | 0.0*cm, 0.0*cm ), |
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315 | "BenchFrontEnd_P", |
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316 | BenchFrontEndLogicalVolume, |
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317 | physicalWorld, false, 0 ); |
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318 | |
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319 | BenchBackEndPhysicalVolume = new G4PVPlacement( |
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320 | rotateMatrix, |
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321 | G4ThreeVector(0.0*cm - BenchThickness/2, 0.0*cm, 0.0*cm ), |
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322 | "BenchBackEnd_P", |
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323 | BenchBackEndLogicalVolume, |
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324 | physicalWorld, false, 0 ); |
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325 | |
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326 | BenchMainPhysicalVolume = new G4PVPlacement( |
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327 | rotateMatrix, |
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328 | G4ThreeVector( BenchMainLength/2, 0.0*cm, 0.0*cm ), |
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329 | "BenchMain_P", |
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330 | BenchMainLogicalVolume, |
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331 | physicalWorld, false, 0 ); |
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332 | |
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333 | //--- Make Bench Invisible |
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334 | |
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335 | // BenchFrontEndLogicalVolume -> SetVisAttributes(G4VisAttributes::Invisible); |
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336 | // BenchBackEndLogicalVolume -> SetVisAttributes(G4VisAttributes::Invisible); |
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337 | BenchMainLogicalVolume -> SetVisAttributes(G4VisAttributes::Invisible); |
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338 | |
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339 | return; |
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340 | } |
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341 | |
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342 | // Construct Focal Plane |
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343 | // Conical Titanium baffle and silicon detector |
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344 | |
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345 | void XrayTelDetectorConstruction::ConstructFocalPlane() |
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346 | { |
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347 | |
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348 | // Elements |
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349 | G4Material* Ti = new G4Material("Titanium", 22., 47.867*g/mole, 4.54*g/cm3); |
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350 | G4Material* Si = new G4Material("Silicon", 14., 28.090*g/mole, 2.33*g/cm3); |
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351 | |
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352 | // Visualization attributes |
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353 | G4VisAttributes* VisDetectorBaffle = new G4VisAttributes( |
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354 | G4Colour(190/255., 255/255., 0/255.) ); |
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355 | G4VisAttributes* VisDetector = new G4VisAttributes( |
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356 | G4Colour(255/255., 0/255., 0/255.) ); |
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357 | |
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358 | // Rotation Matrix |
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359 | G4RotationMatrix *rotateMatrix = new G4RotationMatrix(); |
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360 | rotateMatrix -> rotateY(90.*deg); |
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361 | |
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362 | // Construct Detector Baffle |
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363 | G4double DetectorBaffleLength = 57.2*cm; |
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364 | G4double DetectorBaffleOuterRadiusIn = 7.1*cm; |
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365 | G4double DetectorBaffleOuterRadiusOut = 7.35*cm; |
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366 | G4double DetectorBaffleInnerRadiusIn = 4.55*cm; |
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367 | G4double DetectorBaffleInnerRadiusOut = 5.75*cm; |
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368 | |
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369 | G4Cons* DetectorBaffleSolid; |
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370 | |
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371 | G4LogicalVolume* DetectorBaffleLogicalVolume; |
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372 | |
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373 | DetectorBaffleSolid = new G4Cons( "DetectorBaffle_S", |
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374 | DetectorBaffleOuterRadiusIn, |
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375 | DetectorBaffleOuterRadiusOut, |
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376 | DetectorBaffleInnerRadiusIn, |
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377 | DetectorBaffleInnerRadiusOut, |
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378 | DetectorBaffleLength/2, 0*deg, 360.*deg); |
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379 | DetectorBaffleLogicalVolume = new G4LogicalVolume( |
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380 | DetectorBaffleSolid, Ti, "DetectorBaffle_L", 0, 0, 0 ); |
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381 | DetectorBaffleLogicalVolume -> SetVisAttributes( VisDetectorBaffle ); |
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382 | |
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383 | // Physical volume |
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384 | G4VPhysicalVolume* DetectorBafflePhysicalVolume; |
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385 | |
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386 | DetectorBafflePhysicalVolume = new G4PVPlacement( |
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387 | rotateMatrix, |
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388 | G4ThreeVector( DetectorBaffleLength/2, 0.0*cm, 0.0*cm), |
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389 | "DetectorBaffle_P", |
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390 | DetectorBaffleLogicalVolume, |
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391 | physicalWorld, false, 0 ); |
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392 | |
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393 | //--- Make Invisible |
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394 | |
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395 | // DetectorBaffleLogicalVolume -> SetVisAttributes( G4VisAttributes::Invisible ); |
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396 | |
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397 | // Construct Detector |
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398 | |
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399 | G4double DetectorRadius = 32.5*mm; |
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400 | G4double DetectorThickness = 50e-6*m; |
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401 | |
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402 | G4Tubs* DetectorSolid; |
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403 | |
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404 | G4LogicalVolume* DetectorLogicalVolume; |
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405 | |
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406 | DetectorSolid = new G4Tubs( "Detector_S", |
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407 | 0, DetectorRadius, |
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408 | DetectorThickness/2, 0*deg, 360.*deg); |
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409 | DetectorLogicalVolume = new G4LogicalVolume( |
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410 | DetectorSolid, Si, "Detector_L", 0, 0, 0 ); |
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411 | DetectorLogicalVolume -> SetVisAttributes( VisDetector ); |
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412 | |
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413 | // Physical volume |
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414 | G4VPhysicalVolume* DetectorPhysicalVolume; |
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415 | |
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416 | DetectorPhysicalVolume = new G4PVPlacement( |
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417 | rotateMatrix, |
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418 | G4ThreeVector( DetectorThickness/2, 0.0*cm, 0.0*cm), |
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419 | "Detector_P", |
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420 | DetectorLogicalVolume, |
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421 | physicalWorld, false, 0 ); |
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422 | |
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423 | //--- Make Invisible |
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424 | // DetectorLogicalVolume -> SetVisAttributes( G4VisAttributes::Invisible ); |
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425 | |
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426 | return; |
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427 | } |
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