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 | // * cosmicray_charging advanced example for Geant4 * |
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29 | // * (adapted simulation of test-mass charging in the LISA mission) * |
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30 | // * * |
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31 | // * Henrique Araujo (h.araujo@imperial.ac.uk) & Peter Wass * |
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32 | // * Imperial College London * |
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33 | // * * |
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34 | // ******************************************************************** |
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35 | |
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36 | |
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37 | void LISADetectorConstruction::ConstructMaterials(void) { |
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38 | |
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39 | // Elements |
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40 | |
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41 | G4Element* elementH = new G4Element("Hydrogen", "H", 1., 1.0079*g/mole); |
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42 | G4Element* elementC = new G4Element("Carbon", "C", 6., 12.011*g/mole); |
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43 | G4Element* elementN = new G4Element("Nitrogen", "N", 7., 14.007*g/mole); |
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44 | G4Element* elementO = new G4Element("Oxygen", "O", 8., 15.9994*g/mole); |
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45 | G4Element* elementMg = new G4Element("Magnesium", "Mg",12., 24.3050*g/mole); |
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46 | G4Element* elementAl = new G4Element("Aluminium", "Al",13., 26.9815*g/mole); |
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47 | G4Element* elementSi = new G4Element("Silicon", "Si",14., 28.0855*g/mole); |
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48 | G4Element* elementTi = new G4Element("Titanium", "Ti",22., 47.90*g/mole); |
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49 | G4Element* elementV = new G4Element("Vanadium", "V", 23., 50.9415*g/mole); |
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50 | G4Element* elementFe = new G4Element("Iron", "Fe",26., 55.845*g/mole); |
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51 | G4Element* elementMo = new G4Element("Molybdenum","Mo",42., 95.94*g/mole); |
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52 | G4Element* elementPt = new G4Element("Platinum", "Pt",78., 195.08*g/mole); |
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53 | G4Element* elementAu = new G4Element("Gold", "Au",79., 196.97*g/mole); |
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54 | |
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55 | |
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56 | // Materials |
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57 | |
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58 | vacuum = new G4Material("vacuum", 1, 1.00794*g/mole, |
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59 | 1.0E-25*g/cm3, kStateGas, 0.1*kelvin, 1.0E-19*pascal); |
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60 | |
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61 | // Aluminium alloy 6061-T6 |
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62 | Al6061 = new G4Material("Al6061", 2.70*g/cm3, 4); |
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63 | Al6061->AddElement(elementAl, 0.980); |
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64 | Al6061->AddElement(elementMg, 0.010); |
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65 | Al6061->AddElement(elementSi, 0.006); |
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66 | Al6061->AddElement(elementFe, 0.004); |
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67 | |
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68 | // Aluminium Alloy honeycomb |
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69 | AlHoneycomb = new G4Material("AlHoneycomb",0.05*g/cm3, 4); |
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70 | AlHoneycomb->AddElement(elementAl, 0.980); |
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71 | AlHoneycomb->AddElement(elementMg, 0.010); |
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72 | AlHoneycomb->AddElement(elementSi, 0.006); |
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73 | AlHoneycomb->AddElement(elementFe, 0.004); |
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74 | |
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75 | // Solar Cells**** |
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76 | Scell = new G4Material("Scell", 7.82*g/cm3, 1); |
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77 | Scell->AddElement(elementSi, 1.00); |
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78 | |
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79 | // MLI Blanket: mylar (composition from STAR Stopping Power database) |
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80 | MLImat = new G4Material("MLImat", 1.40*g/cm3, 3); |
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81 | MLImat->AddElement(elementH, 0.041959); |
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82 | MLImat->AddElement(elementC, 0.625017); |
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83 | MLImat->AddElement(elementO, 0.333025); |
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84 | |
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85 | // Molybdenum |
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86 | molybdenum = new G4Material("molybdenum", 10.22*g/cm3, 1); |
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87 | molybdenum->AddElement(elementMo, 1.00); |
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88 | |
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89 | // Titanium Alloy (Ti-6Al-4V) |
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90 | TiAlloy = new G4Material("TiAlloy", 4.43*g/cm3, 3); |
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91 | TiAlloy->AddElement(elementTi, 0.90); |
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92 | TiAlloy->AddElement(elementAl, 0.06); |
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93 | TiAlloy->AddElement(elementV, 0.04); |
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94 | |
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95 | // Gold |
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96 | gold = new G4Material("gold", 19.32*g/cm3, 1); |
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97 | gold->AddElement(elementAu, 1.00); |
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98 | |
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99 | // Gold-Platinum 70%/30% |
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100 | AuPt = new G4Material("AuPt", 19.92*g/cm3, 2); |
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101 | AuPt->AddElement(elementAu, 0.70); |
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102 | AuPt->AddElement(elementPt, 0.30); |
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103 | |
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104 | // CRFP (Carbon Fiber Reinforced Polymer): M55 Quasiisotropic Layup |
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105 | CFRP = new G4Material("CFRP", 1.66*g/cm3, 1); |
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106 | CFRP->AddElement(elementC,1); |
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107 | |
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108 | // Silicate glass |
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109 | G4Material* SiGlass = new G4Material("SiGlass", 2.20*g/cm3, 2); |
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110 | SiGlass->AddElement(elementO, 2); |
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111 | SiGlass->AddElement(elementSi,1); |
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112 | // Titanium glass |
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113 | G4Material* TiGlass = new G4Material("TiGlass", 4.25*g/cm3, 2); |
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114 | TiGlass->AddElement(elementO, 2); |
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115 | TiGlass->AddElement(elementTi,1); |
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116 | // Corning 7972 ULE Titanium Silicate Glass |
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117 | ULEglass = new G4Material("ULEglass", 2.21*g/cm3, 2); |
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118 | ULEglass->AddMaterial(SiGlass, 0.925); |
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119 | ULEglass->AddMaterial(TiGlass, 0.075); |
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120 | |
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121 | // SHAPAL-M (AlN) |
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122 | SHAPAL = new G4Material("SHAPAL-M", 2.90*g/cm3, 2); |
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123 | SHAPAL->AddElement(elementAl,1); |
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124 | SHAPAL->AddElement(elementN, 1); |
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125 | |
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126 | // Silicon carbide |
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127 | SiC = new G4Material("SiC", 3.1*g/cm3, 2); |
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128 | SiC->AddElement(elementSi,1); |
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129 | SiC->AddElement(elementC, 1); |
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130 | |
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131 | // Foam: Polystyrene-based |
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132 | foam = new G4Material("foam",0.05*g/cm3, 2); |
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133 | foam->AddElement(elementC, 0.90); |
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134 | foam->AddElement(elementH, 0.10); |
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135 | |
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136 | |
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137 | } |
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