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: MyMaterials.cc,v 1.3 2006/06/29 15:28:16 gunter Exp $ |
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27 | // $Name: geant4-09-04-beta-01 $ |
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28 | // ==================================================================== |
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29 | // MyMaterials.cc |
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30 | // |
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31 | // 2005 Q |
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32 | // ==================================================================== |
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33 | #include "MyMaterials.hh" |
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34 | #include "G4Material.hh" |
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35 | |
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36 | // ==================================================================== |
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37 | // |
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38 | // class description |
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39 | // |
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40 | // ==================================================================== |
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41 | |
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42 | ////////////////////////// |
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43 | MyMaterials::MyMaterials() |
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44 | ////////////////////////// |
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45 | { |
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46 | } |
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47 | |
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48 | |
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49 | /////////////////////////// |
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50 | MyMaterials::~MyMaterials() |
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51 | /////////////////////////// |
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52 | { |
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53 | } |
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54 | |
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55 | |
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56 | ///////////////////////////// |
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57 | void MyMaterials::Construct() |
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58 | ///////////////////////////// |
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59 | { |
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60 | G4double A, Z; |
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61 | |
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62 | // ------------------------------------------------------------------------ |
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63 | // Elements |
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64 | // ------------------------------------------------------------------------ |
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65 | G4Element* elH = new G4Element("Hydrogen","H", Z=1., A=1.00794*g/mole); |
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66 | G4Element* elC = new G4Element("Carbon", "C", Z=6., A= 12.011 *g/mole); |
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67 | G4Element* elN = new G4Element("Nitrogen","N", Z=7., A= 14.00674*g/mole); |
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68 | G4Element* elO = new G4Element("Oxygen", "O", Z=8., A= 15.9994*g/mole); |
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69 | |
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70 | // ------------------------------------------------------------------------ |
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71 | // Materials |
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72 | // ------------------------------------------------------------------------ |
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73 | G4double density, massfraction; |
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74 | G4int natoms, nel; |
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75 | |
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76 | // temperature of experimental hall is controlled at 20 degree. |
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77 | const G4double expTemp= STP_Temperature+20.*kelvin; |
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78 | |
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79 | // vacuum |
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80 | density= universe_mean_density; |
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81 | G4Material* Vacuum= new G4Material("Vacuum", density, nel=2); |
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82 | Vacuum-> AddElement(elN, .7); |
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83 | Vacuum-> AddElement(elO, .3); |
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84 | |
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85 | // air |
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86 | density= 1.2929e-03 *g/cm3; // at 20 degree |
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87 | G4Material* Air= new G4Material("Air", density, nel=2, |
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88 | kStateGas, expTemp); |
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89 | G4double ttt= 75.47+23.20; |
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90 | Air-> AddElement(elN, massfraction= 75.47/ttt); |
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91 | Air-> AddElement(elO, massfraction= 23.20/ttt); |
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92 | |
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93 | // water |
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94 | density= 1.000*g/cm3; |
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95 | G4Material* H2O= new G4Material("Water", density, nel=2); |
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96 | H2O-> AddElement(elH, natoms=2); |
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97 | H2O-> AddElement(elO, natoms=1); |
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98 | |
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99 | // alminium |
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100 | A= 26.98 *g/mole; |
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101 | density= 2.70 *g/cm3; |
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102 | G4Material* Al= new G4Material("Al", Z=13., A, density); |
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103 | |
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104 | // iron |
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105 | A= 55.847 *g/mole; |
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106 | density= 7.87 *g/cm3; |
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107 | G4Material* Fe= new G4Material("Iron", Z=26., A, density); |
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108 | |
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109 | // lead |
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110 | A= 207.2 *g/mole; |
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111 | density= 11.35 *g/cm3; |
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112 | G4Material* Pb= new G4Material("Lead", Z=82., A, density); |
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113 | |
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114 | // scintillator (Polystyene(C6H5CH=CH2)) |
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115 | density= 1.032 *g/cm3; |
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116 | G4Material* Scinti= new G4Material("Scinti", density, nel=2); |
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117 | Scinti-> AddElement(elC, natoms=8); |
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118 | Scinti-> AddElement(elH, natoms=8); |
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119 | |
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120 | } |
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121 | |
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