[1337] | 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 | // $Id: Qmaterials.cc,v 1.4 2006/06/29 15:29:37 gunter Exp $ |
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| 27 | // $Name: geant4-09-04-beta-01 $ |
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| 28 | // ==================================================================== |
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| 29 | // Qmaterials.cc |
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| 30 | // |
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| 31 | // 2005 Q |
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| 32 | // ==================================================================== |
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| 33 | #include "G4Material.hh" |
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| 34 | |
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| 35 | //////////////// |
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| 36 | void Construct() |
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| 37 | //////////////// |
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| 38 | { |
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| 39 | G4double A, Z; |
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| 40 | |
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| 41 | // ------------------------------------------------------------------------ |
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| 42 | // Elements |
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| 43 | // ------------------------------------------------------------------------ |
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| 44 | G4Element* elH = new G4Element("Hydrogen","H", Z=1., A=1.00794*g/mole); |
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| 45 | G4Element* elC = new G4Element("Carbon", "C", Z=6., A= 12.011 *g/mole); |
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| 46 | G4Element* elN = new G4Element("Nitrogen","N", Z=7., A= 14.00674*g/mole); |
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| 47 | G4Element* elO = new G4Element("Oxygen", "O", Z=8., A= 15.9994*g/mole); |
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| 48 | G4Element* elNa = new G4Element("Sodium", "Na", Z=11., A= 22.989768*g/mole); |
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| 49 | G4Element* elSi = new G4Element("Silicon", "Si", Z=14., A= 28.0855*g/mole); |
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| 50 | G4Element* elAr = new G4Element("Argon", "Ar", Z=18., A= 39.948*g/mole); |
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| 51 | G4Element* elI = new G4Element("Iodine", "I", Z=53., A= 126.90447*g/mole); |
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| 52 | G4Element* elCs = new G4Element("Cesium", "Cs", Z=55., A= 132.90543*g/mole); |
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| 53 | |
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| 54 | // ------------------------------------------------------------------------ |
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| 55 | // Materials |
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| 56 | // ------------------------------------------------------------------------ |
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| 57 | G4double density, massfraction; |
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| 58 | G4int natoms, nel; |
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| 59 | |
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| 60 | // temperature of experimental hall is controlled at 20 degree. |
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| 61 | const G4double expTemp= STP_Temperature+20.*kelvin; |
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| 62 | |
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| 63 | // vacuum |
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| 64 | density= universe_mean_density; |
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| 65 | G4Material* Vacuum= new G4Material("Vacuum", density, nel=2); |
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| 66 | Vacuum-> AddElement(elN, .7); |
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| 67 | Vacuum-> AddElement(elO, .3); |
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| 68 | |
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| 69 | // air |
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| 70 | density= 1.2929e-03 *g/cm3; // at 20 degree |
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| 71 | G4Material* Air= new G4Material("Air", density, nel=3, |
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| 72 | kStateGas, expTemp); |
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| 73 | G4double ttt= 75.47+23.20+1.28; |
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| 74 | Air-> AddElement(elN, massfraction= 75.47/ttt); |
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| 75 | Air-> AddElement(elO, massfraction= 23.20/ttt); |
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| 76 | Air-> AddElement(elAr, massfraction= 1.28/ttt); |
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| 77 | |
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| 78 | // Ar gas |
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| 79 | A= 39.948 *g/mole; |
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| 80 | const G4double denAr= 1.782e-03 *g/cm3 * STP_Temperature/expTemp; |
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| 81 | G4Material* Ar= new G4Material("ArgonGas", Z=18., A, denAr, |
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| 82 | kStateGas, expTemp); |
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| 83 | |
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| 84 | // ethane (C2H6) |
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| 85 | const G4double denEthane= 1.356e-3 *g/cm3 * STP_Temperature/expTemp; |
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| 86 | G4Material* Ethane= new G4Material("Ethane", denEthane, nel=2, |
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| 87 | kStateGas, expTemp); |
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| 88 | Ethane-> AddElement(elC, natoms=2); |
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| 89 | Ethane-> AddElement(elH, natoms=6); |
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| 90 | |
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| 91 | // Ar(50%) + ethane(50%) mixture |
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| 92 | density= (denAr+denEthane)/2.; |
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| 93 | G4Material* ArEthane= new G4Material("ArEthane", density, nel=2, |
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| 94 | kStateGas, expTemp); |
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| 95 | ArEthane-> AddMaterial(Ar, massfraction= denAr/density/2.); |
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| 96 | ArEthane-> AddMaterial(Ethane, massfraction= denEthane/density/2.); |
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| 97 | |
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| 98 | // silicon |
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| 99 | A= 28.0855 *g/mole; |
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| 100 | density= 2.33 *g/cm3; |
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| 101 | G4Material* Si= new G4Material("SiliconWafer", Z=14., A, density); |
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| 102 | |
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| 103 | // alminium |
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| 104 | A= 26.98 *g/mole; |
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| 105 | density= 2.70 *g/cm3; |
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| 106 | G4Material* Al= new G4Material("Al", Z=13., A, density); |
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| 107 | |
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| 108 | // iron |
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| 109 | A= 55.847 *g/mole; |
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| 110 | density= 7.87 *g/cm3; |
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| 111 | G4Material* Fe= new G4Material("Iron", Z=26., A, density); |
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| 112 | |
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| 113 | // lead |
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| 114 | A= 207.2 *g/mole; |
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| 115 | density= 11.35 *g/cm3; |
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| 116 | G4Material* Pb= new G4Material("Lead", Z=82., A, density); |
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| 117 | |
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| 118 | // scintillator (Polystyene(C6H5CH=CH2)) |
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| 119 | density= 1.032 *g/cm3; |
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| 120 | G4Material* Scinti= new G4Material("Scinti", density, nel=2); |
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| 121 | Scinti-> AddElement(elC, natoms=8); |
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| 122 | Scinti-> AddElement(elH, natoms=8); |
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| 123 | |
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| 124 | // quartz (SiO2, crystalline) |
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| 125 | density= 2.64 *g/cm3; |
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| 126 | G4Material* Quartz= new G4Material("Quartz", density, nel= 2); |
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| 127 | Quartz-> AddElement(elSi, natoms=1); |
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| 128 | Quartz-> AddElement(elO, natoms=2); |
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| 129 | |
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| 130 | // NaI crystal |
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| 131 | density= 3.67 *g/cm3; |
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| 132 | G4Material* NaI= new G4Material("NaI", density, nel= 2); |
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| 133 | NaI-> AddElement(elNa, natoms=1); |
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| 134 | NaI-> AddElement(elI, natoms=1); |
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| 135 | |
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| 136 | // CsI crystal |
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| 137 | density= 4.51 *g/cm3; |
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| 138 | G4Material* CsI= new G4Material("CsI", density, nel= 2); |
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| 139 | CsI-> AddElement(elCs, natoms=1); |
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| 140 | CsI-> AddElement(elI, natoms=1); |
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| 141 | |
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| 142 | } |
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