1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: ExN07DetectorConstruction.cc,v 1.8 2007/05/04 01:49:28 asaim Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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29 | // |
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30 | // |
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31 | |
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32 | #include "ExN07DetectorConstruction.hh" |
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33 | |
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34 | #include "G4RunManager.hh" |
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35 | |
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36 | #include "G4Material.hh" |
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37 | #include "G4Box.hh" |
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38 | #include "G4LogicalVolume.hh" |
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39 | #include "G4PVPlacement.hh" |
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40 | #include "G4PVReplica.hh" |
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41 | |
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42 | #include "G4VisAttributes.hh" |
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43 | #include "G4Colour.hh" |
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44 | |
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45 | #include "G4SDManager.hh" |
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46 | #include "G4MultiFunctionalDetector.hh" |
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47 | #include "G4VPrimitiveScorer.hh" |
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48 | #include "G4PSEnergyDeposit.hh" |
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49 | #include "G4PSNofSecondary.hh" |
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50 | #include "G4PSTrackLength.hh" |
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51 | #include "G4PSNofStep.hh" |
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52 | #include "G4PSMinKinEAtGeneration.hh" |
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53 | #include "G4VSDFilter.hh" |
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54 | #include "G4SDParticleFilter.hh" |
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55 | #include "G4ios.hh" |
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56 | |
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57 | #include "ExN07DetectorMessenger.hh" |
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58 | #include "ExN07PrimaryGeneratorAction.hh" |
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59 | #include "ExN07ParallelWorld.hh" |
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60 | |
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61 | ExN07DetectorConstruction::ExN07DetectorConstruction() |
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62 | :constructed(false),worldMaterial(0),absorberMaterial(0),gapMaterial(0), |
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63 | layerSolid(0),gapSolid(0),worldLogical(0),worldPhysical(0),serial(false), |
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64 | verboseLevel(1) |
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65 | { |
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66 | numberOfLayers = 40; |
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67 | totalThickness = 2.0*m; |
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68 | layerThickness = totalThickness / numberOfLayers; |
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69 | |
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70 | for(size_t i=0;i<3;i++) |
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71 | { |
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72 | calorLogical[i] = 0; |
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73 | layerLogical[i] = 0; |
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74 | gapLogical[i] = 0; |
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75 | calorPhysical[i] = 0; |
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76 | layerPhysical[i] = 0; |
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77 | gapPhysical[i] = 0; |
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78 | } |
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79 | |
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80 | calName[0] = "Calor-A"; |
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81 | calName[1] = "Calor-B"; |
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82 | calName[2] = "Calor-C"; |
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83 | |
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84 | detectorMessenger = new ExN07DetectorMessenger(this); |
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85 | } |
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86 | |
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87 | ExN07DetectorConstruction::~ExN07DetectorConstruction() |
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88 | { delete detectorMessenger;} |
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89 | |
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90 | G4VPhysicalVolume* ExN07DetectorConstruction::Construct() |
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91 | { |
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92 | if(!constructed) |
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93 | { |
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94 | constructed = true; |
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95 | DefineMaterials(); |
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96 | SetupGeometry(); |
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97 | SetupDetectors(); |
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98 | } |
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99 | if (GetVerboseLevel()>0) { |
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100 | PrintCalorParameters(); |
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101 | } |
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102 | return worldPhysical; |
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103 | } |
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104 | |
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105 | void ExN07DetectorConstruction::DefineMaterials() |
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106 | { |
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107 | G4String name, symbol; //a=mass of a mole; |
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108 | G4double a, z, density; //z=mean number of protons; |
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109 | G4int iz; //iz=number of protons in an isotope; |
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110 | G4int n; // n=number of nucleons in an isotope; |
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111 | |
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112 | G4int ncomponents, natoms; |
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113 | G4double abundance, fractionmass; |
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114 | G4double temperature, pressure; |
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115 | |
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116 | // |
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117 | // define Elements |
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118 | // |
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119 | |
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120 | a = 1.01*g/mole; |
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121 | G4Element* H = new G4Element(name="Hydrogen",symbol="H" , z= 1., a); |
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122 | |
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123 | a = 12.01*g/mole; |
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124 | G4Element* C = new G4Element(name="Carbon" ,symbol="C" , z= 6., a); |
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125 | |
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126 | a = 14.01*g/mole; |
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127 | G4Element* N = new G4Element(name="Nitrogen",symbol="N" , z= 7., a); |
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128 | |
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129 | a = 16.00*g/mole; |
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130 | G4Element* O = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a); |
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131 | |
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132 | // |
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133 | // define an Element from isotopes, by relative abundance |
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134 | // |
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135 | |
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136 | G4Isotope* U5 = new G4Isotope(name="U235", iz=92, n=235, a=235.01*g/mole); |
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137 | G4Isotope* U8 = new G4Isotope(name="U238", iz=92, n=238, a=238.03*g/mole); |
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138 | |
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139 | G4Element* U = new G4Element(name="enriched Uranium",symbol="U",ncomponents=2); |
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140 | U->AddIsotope(U5, abundance= 90.*perCent); |
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141 | U->AddIsotope(U8, abundance= 10.*perCent); |
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142 | |
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143 | // |
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144 | // define simple materials |
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145 | // |
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146 | |
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147 | new G4Material(name="Aluminium", z=13., a=26.98*g/mole, density=2.700*g/cm3); |
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148 | new G4Material(name="Silicon", z=14., a= 28.09*g/mole, density= 2.33*g/cm3); |
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149 | new G4Material(name="Iron", z=26., a=55.85*g/mole, density=7.87*g/cm3); |
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150 | new G4Material(name="ArgonGas",z=18., a= 39.95*g/mole, density=1.782*mg/cm3); |
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151 | new G4Material(name="He", z=2., a=4.0*g/mole, density=0.1786e-03*g/cm3); |
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152 | |
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153 | density = 1.390*g/cm3; |
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154 | a = 39.95*g/mole; |
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155 | G4Material* lAr = new G4Material(name="liquidArgon", z=18., a, density); |
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156 | |
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157 | density = 11.35*g/cm3; |
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158 | a = 207.19*g/mole; |
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159 | G4Material* Pb = new G4Material(name="Lead" , z=82., a, density); |
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160 | |
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161 | // |
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162 | // define a material from elements. case 1: chemical molecule |
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163 | // |
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164 | |
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165 | density = 1.000*g/cm3; |
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166 | G4Material* H2O = new G4Material(name="Water", density, ncomponents=2); |
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167 | H2O->AddElement(H, natoms=2); |
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168 | H2O->AddElement(O, natoms=1); |
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169 | |
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170 | density = 1.032*g/cm3; |
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171 | G4Material* Sci = new G4Material(name="Scintillator", density, ncomponents=2); |
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172 | Sci->AddElement(C, natoms=9); |
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173 | Sci->AddElement(H, natoms=10); |
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174 | |
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175 | // |
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176 | // define a material from elements. case 2: mixture by fractional mass |
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177 | // |
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178 | |
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179 | density = 1.290*mg/cm3; |
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180 | G4Material* Air = new G4Material(name="Air" , density, ncomponents=2); |
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181 | Air->AddElement(N, fractionmass=0.7); |
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182 | Air->AddElement(O, fractionmass=0.3); |
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183 | |
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184 | // |
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185 | // examples of vacuum |
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186 | // |
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187 | |
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188 | density = universe_mean_density; |
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189 | pressure = 3.e-18*pascal; |
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190 | temperature = 2.73*kelvin; |
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191 | G4Material* Vacuum = new G4Material(name="Galactic", z=1., a=1.01*g/mole, |
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192 | density,kStateGas,temperature,pressure); |
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193 | |
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194 | if (GetVerboseLevel()>1) { |
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195 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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196 | } |
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197 | |
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198 | //default materials of the calorimeter |
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199 | worldMaterial = Vacuum; |
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200 | absorberMaterial = Pb; |
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201 | gapMaterial = lAr; |
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202 | } |
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203 | |
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204 | void ExN07DetectorConstruction::SetupGeometry() |
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205 | { |
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206 | // |
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207 | // World |
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208 | // |
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209 | G4VSolid* worldSolid = new G4Box("World",2.*m,2.*m,totalThickness*2.); |
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210 | worldLogical = new G4LogicalVolume(worldSolid,worldMaterial,"World"); |
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211 | worldPhysical = new G4PVPlacement(0,G4ThreeVector(),worldLogical,"World", |
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212 | 0,false,0); |
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213 | |
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214 | // |
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215 | // Calorimeter |
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216 | // |
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217 | G4VSolid* calorSolid = new G4Box("Calor",0.5*m,0.5*m,totalThickness/2.); |
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218 | G4int i; |
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219 | for(i=0;i<3;i++) |
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220 | { |
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221 | calorLogical[i] = new G4LogicalVolume(calorSolid,absorberMaterial,calName[i]); |
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222 | if(serial) |
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223 | { |
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224 | calorPhysical[i] = new G4PVPlacement(0, |
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225 | G4ThreeVector(0.,0.,G4double(i-1)*totalThickness), |
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226 | calorLogical[i],calName[i],worldLogical,false,i); |
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227 | } |
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228 | else |
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229 | { |
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230 | calorPhysical[i] = new G4PVPlacement(0, |
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231 | G4ThreeVector(0.,G4double(i-1)*m,0.), |
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232 | calorLogical[i],calName[i],worldLogical,false,i); |
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233 | } |
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234 | } |
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235 | |
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236 | // |
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237 | // Layers --- as absorbers |
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238 | // |
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239 | layerSolid = new G4Box("Layer",0.5*m,0.5*m,layerThickness/2.); |
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240 | for(i=0;i<3;i++) |
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241 | { |
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242 | layerLogical[i] = new G4LogicalVolume(layerSolid,absorberMaterial,calName[i]+"_LayerLog"); |
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243 | layerPhysical[i] = new G4PVReplica(calName[i]+"_Layer",layerLogical[i],calorLogical[i],kZAxis, |
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244 | numberOfLayers,layerThickness); |
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245 | } |
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246 | |
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247 | // |
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248 | // Gap |
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249 | // |
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250 | gapSolid = new G4Box("Gap",0.5*m,0.5*m,layerThickness/4.); |
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251 | for(i=0;i<3;i++) |
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252 | { |
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253 | gapLogical[i] = new G4LogicalVolume(gapSolid,gapMaterial,"Gap"); |
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254 | gapPhysical[i] = new G4PVPlacement(0,G4ThreeVector(0.,0.,layerThickness/4.), |
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255 | gapLogical[i],calName[i]+"_gap",layerLogical[i],false,0); |
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256 | } |
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257 | |
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258 | // |
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259 | // Regions |
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260 | // |
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261 | for(i=0;i<3;i++) |
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262 | { |
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263 | G4Region* aRegion = new G4Region(calName[i]); |
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264 | calorLogical[i]->SetRegion(aRegion); |
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265 | aRegion->AddRootLogicalVolume(calorLogical[i]); |
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266 | } |
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267 | |
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268 | // |
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269 | // Visualization attributes |
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270 | // |
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271 | worldLogical->SetVisAttributes(G4VisAttributes::Invisible); |
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272 | G4VisAttributes* simpleBoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0)); |
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273 | simpleBoxVisAtt->SetVisibility(true); |
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274 | for(i=0;i<3;i++) |
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275 | { |
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276 | calorLogical[i]->SetVisAttributes(simpleBoxVisAtt); |
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277 | layerLogical[i]->SetVisAttributes(simpleBoxVisAtt); |
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278 | gapLogical[i]->SetVisAttributes(simpleBoxVisAtt); |
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279 | } |
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280 | |
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281 | } |
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282 | |
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283 | void ExN07DetectorConstruction::SetupDetectors() |
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284 | { |
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285 | G4SDManager::GetSDMpointer()->SetVerboseLevel(1); |
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286 | G4String filterName, particleName; |
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287 | |
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288 | G4SDParticleFilter* gammaFilter = new G4SDParticleFilter(filterName="gammaFilter",particleName="gamma"); |
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289 | G4SDParticleFilter* electronFilter = new G4SDParticleFilter(filterName="electronFilter",particleName="e-"); |
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290 | G4SDParticleFilter* positronFilter = new G4SDParticleFilter(filterName="positronFilter",particleName="e+"); |
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291 | G4SDParticleFilter* epFilter = new G4SDParticleFilter(filterName="epFilter"); |
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292 | epFilter->add(particleName="e-"); |
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293 | epFilter->add(particleName="e+"); |
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294 | |
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295 | |
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296 | for(G4int i=0;i<3;i++) |
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297 | { |
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298 | for(G4int j=0;j<2;j++) |
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299 | { |
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300 | // Loop counter j = 0 : absorber |
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301 | // = 1 : gap |
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302 | G4String detName = calName[i]; |
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303 | if(j==0) |
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304 | { detName += "_abs"; } |
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305 | else |
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306 | { detName += "_gap"; } |
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307 | G4MultiFunctionalDetector* det = new G4MultiFunctionalDetector(detName); |
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308 | |
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309 | // The second argument in each primitive means the "level" of geometrical hierarchy, |
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310 | // the copy number of that level is used as the key of the G4THitsMap. |
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311 | // For absorber (j = 0), the copy number of its own physical volume is used. |
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312 | // For gap (j = 1), the copy number of its mother physical volume is used, since there |
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313 | // is only one physical volume of gap is placed with respect to its mother. |
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314 | G4VPrimitiveScorer* primitive; |
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315 | primitive = new G4PSEnergyDeposit("eDep",j); |
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316 | det->RegisterPrimitive(primitive); |
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317 | primitive = new G4PSNofSecondary("nGamma",j); |
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318 | primitive->SetFilter(gammaFilter); |
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319 | det->RegisterPrimitive(primitive); |
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320 | primitive = new G4PSNofSecondary("nElectron",j); |
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321 | primitive->SetFilter(electronFilter); |
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322 | det->RegisterPrimitive(primitive); |
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323 | primitive = new G4PSNofSecondary("nPositron",j); |
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324 | primitive->SetFilter(positronFilter); |
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325 | det->RegisterPrimitive(primitive); |
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326 | primitive = new G4PSMinKinEAtGeneration("minEkinGamma",j); |
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327 | primitive->SetFilter(gammaFilter); |
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328 | det->RegisterPrimitive(primitive); |
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329 | primitive = new G4PSMinKinEAtGeneration("minEkinElectron",j); |
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330 | primitive->SetFilter(electronFilter); |
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331 | det->RegisterPrimitive(primitive); |
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332 | primitive = new G4PSMinKinEAtGeneration("minEkinPositron",j); |
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333 | primitive->SetFilter(positronFilter); |
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334 | det->RegisterPrimitive(primitive); |
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335 | primitive = new G4PSTrackLength("trackLength",j); |
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336 | primitive->SetFilter(epFilter); |
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337 | det->RegisterPrimitive(primitive); |
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338 | primitive = new G4PSNofStep("nStep",j); |
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339 | primitive->SetFilter(epFilter); |
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340 | det->RegisterPrimitive(primitive); |
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341 | |
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342 | G4SDManager::GetSDMpointer()->AddNewDetector(det); |
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343 | if(j==0) |
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344 | { layerLogical[i]->SetSensitiveDetector(det); } |
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345 | else |
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346 | { gapLogical[i]->SetSensitiveDetector(det); } |
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347 | } |
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348 | } |
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349 | G4SDManager::GetSDMpointer()->SetVerboseLevel(0); |
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350 | } |
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351 | |
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352 | void ExN07DetectorConstruction::PrintCalorParameters() const |
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353 | { |
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354 | G4cout << "--------------------------------------------------------" << G4endl; |
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355 | if(serial) |
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356 | { G4cout << " Calorimeters are placed in serial." << G4endl; } |
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357 | else |
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358 | { G4cout << " Calorimeters are placed in parallel." << G4endl; } |
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359 | G4cout << " Absorber is made of " << absorberMaterial->GetName() << G4endl; |
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360 | G4cout << " Gap is made of " << gapMaterial->GetName() << G4endl; |
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361 | G4cout << "--------------------------------------------------------" << G4endl; |
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362 | } |
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363 | |
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364 | void ExN07DetectorConstruction::SetAbsorberMaterial(G4String materialChoice) |
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365 | { |
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366 | // search the material by its name |
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367 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); |
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368 | if(pttoMaterial) |
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369 | { |
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370 | absorberMaterial = pttoMaterial; |
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371 | if(constructed) for(size_t i=0;i<3;i++) |
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372 | { |
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373 | calorLogical[i]->SetMaterial(absorberMaterial); |
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374 | layerLogical[i]->SetMaterial(absorberMaterial); |
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375 | } |
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376 | G4RunManager::GetRunManager()->GeometryHasBeenModified(); |
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377 | if (GetVerboseLevel()>1) { |
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378 | PrintCalorParameters(); |
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379 | } |
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380 | } |
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381 | else |
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382 | { G4cerr << materialChoice << " is not defined. - Command is ignored." << G4endl; } |
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383 | } |
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384 | |
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385 | G4String ExN07DetectorConstruction::GetAbsorberMaterial() const |
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386 | { return absorberMaterial->GetName(); } |
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387 | |
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388 | void ExN07DetectorConstruction::SetGapMaterial(G4String materialChoice) |
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389 | { |
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390 | // search the material by its name |
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391 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); |
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392 | if(pttoMaterial) |
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393 | { |
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394 | gapMaterial = pttoMaterial; |
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395 | if(constructed) for(size_t i=0;i<3;i++) |
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396 | { gapLogical[i]->SetMaterial(gapMaterial); } |
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397 | G4RunManager::GetRunManager()->GeometryHasBeenModified(); |
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398 | if (GetVerboseLevel()>1) { |
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399 | PrintCalorParameters(); |
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400 | } |
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401 | } |
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402 | else |
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403 | { G4cerr << materialChoice << " is not defined. - Command is ignored." << G4endl; } |
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404 | } |
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405 | |
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406 | G4String ExN07DetectorConstruction::GetGapMaterial() const |
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407 | { return gapMaterial->GetName(); } |
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408 | |
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409 | void ExN07DetectorConstruction::SetSerialGeometry(G4bool ser) |
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410 | { |
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411 | if(serial==ser) return; |
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412 | serial=ser; |
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413 | ExN07PrimaryGeneratorAction* gen = (ExN07PrimaryGeneratorAction*) |
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414 | (G4RunManager::GetRunManager()->GetUserPrimaryGeneratorAction()); |
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415 | if(gen) gen->SetSerial(serial); |
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416 | if(!constructed) return; |
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417 | for(G4int i=0;i<3;i++) |
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418 | { |
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419 | if(serial) |
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420 | { calorPhysical[i]->SetTranslation(G4ThreeVector(0.,0.,G4double(i-1)*2.*m)); } |
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421 | else |
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422 | { calorPhysical[i]->SetTranslation(G4ThreeVector(0.,G4double(i-1)*m,0.)); } |
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423 | } |
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424 | ((ExN07ParallelWorld*)GetParallelWorld(0))->SetSerialGeometry(ser); |
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425 | G4RunManager::GetRunManager()->GeometryHasBeenModified(); |
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426 | } |
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427 | |
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428 | void ExN07DetectorConstruction::SetNumberOfLayers(G4int nl) |
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429 | { |
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430 | numberOfLayers = nl; |
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431 | layerThickness = totalThickness/numberOfLayers; |
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432 | if(!constructed) return; |
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433 | |
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434 | layerSolid->SetZHalfLength(layerThickness/2.); |
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435 | gapSolid->SetZHalfLength(layerThickness/4.); |
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436 | for(size_t i=0;i<3;i++) |
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437 | { |
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438 | calorLogical[i]->RemoveDaughter(layerPhysical[i]); |
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439 | delete layerPhysical[i]; |
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440 | layerPhysical[i] = new G4PVReplica(calName[i]+"_Layer",layerLogical[i],calorLogical[i],kZAxis, |
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441 | numberOfLayers,layerThickness); |
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442 | gapPhysical[i]->SetTranslation(G4ThreeVector(0.,0.,layerThickness/4.)); |
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443 | } |
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444 | G4RunManager::GetRunManager()->GeometryHasBeenModified(); |
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445 | } |
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446 | |
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447 | void ExN07DetectorConstruction::AddMaterial() |
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448 | { |
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449 | static G4bool isAdded = false; |
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450 | |
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451 | if( isAdded ) return; |
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452 | |
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453 | G4String name, symbol; //a=mass of a mole; |
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454 | G4double a, z, density; //z=mean number of protons; |
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455 | |
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456 | G4int ncomponents, natoms; |
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457 | |
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458 | // |
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459 | // define simple materials |
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460 | // |
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461 | |
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462 | new G4Material(name="Copper", z=29., a=63.546*g/mole, density=8.96*g/cm3); |
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463 | new G4Material(name="Tungsten", z=74., a=183.84*g/mole, density=19.3*g/cm3); |
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464 | |
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465 | G4Element* C = G4Element::GetElement("Carbon"); |
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466 | G4Element* O = G4Element::GetElement("Oxygen"); |
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467 | |
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468 | |
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469 | G4Material* CO2 = |
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470 | new G4Material("CarbonicGas", density= 27.*mg/cm3, ncomponents=2, |
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471 | kStateGas, 325.*kelvin, 50.*atmosphere); |
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472 | CO2->AddElement(C, natoms=1); |
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473 | CO2->AddElement(O, natoms=2); |
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474 | |
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475 | isAdded = true; |
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476 | |
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477 | } |
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