| 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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