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 | // GEANT4 tag $Name: |
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28 | // |
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29 | // Author: Alex Howard (alexander.howard@cern.ch) |
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30 | // |
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31 | // History: |
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32 | // ----------- |
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33 | // |
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34 | // 23rd November 2002 Modified GXe and LXe material tables to include new |
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35 | // scintillation method - Alex Howard |
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36 | // |
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37 | G4double density, // density |
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38 | a, // atomic mass |
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39 | z; // atomic number |
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40 | G4String name, // name |
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41 | symbol; // symbol |
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42 | G4int ncomponents, // n components |
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43 | iz, // number of protons |
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44 | in; // number of nuceons |
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45 | G4double abundance, // abundance |
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46 | temperature, // temperature |
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47 | pressure; // pressure |
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48 | |
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49 | |
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50 | // making vacuum |
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51 | G4Material* vacuum = new G4Material |
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52 | (name="Vacuum", z=1., a=1.*g/mole, density=1.e-20*g/cm3, |
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53 | kStateGas, temperature=0.1*kelvin, pressure=1.e-20*bar); |
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54 | |
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55 | |
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56 | // xenons |
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57 | G4Element* elementXe = new G4Element( "Xenon", "Xe", 54., 131.29*g/mole ); |
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58 | G4Material* LXe = new G4Material |
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59 | ("LXe", 3.02*g/cm3, 1, kStateLiquid, 173.15*kelvin, 1.5*atmosphere ); |
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60 | G4Material* GXe = new G4Material |
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61 | ("GXe", 0.005887*g/cm3, 1, kStateGas, 173.15*kelvin, 1.5*atmosphere ); |
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62 | LXe->AddElement( elementXe, 1); |
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63 | GXe->AddElement( elementXe, 1); |
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64 | |
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65 | const G4int NUMENTRIES = 3; |
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66 | // G4double LXe_PP[NUMENTRIES] = { 7.07*eV, 7.07*eV }; |
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67 | G4double LXe_PP[NUMENTRIES] = { 7.0*eV , 7.07*eV, 7.14*eV }; |
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68 | G4double LXe_SCINT[NUMENTRIES] = { 0.1, 1.0, 0.1 }; |
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69 | G4double LXe_RIND[NUMENTRIES] = { 1.59 , 1.57, 1.54 }; |
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70 | G4double LXe_ABSL[NUMENTRIES] = { 35.*cm, 35.*cm, 35.*cm}; //atten length |
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71 | G4MaterialPropertiesTable *LXe_mt = new G4MaterialPropertiesTable(); |
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72 | LXe_mt->AddProperty("FASTCOMPONENT", LXe_PP, LXe_SCINT, NUMENTRIES); |
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73 | LXe_mt->AddProperty("SLOWCOMPONENT", LXe_PP, LXe_SCINT, NUMENTRIES); |
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74 | LXe_mt->AddProperty("RINDEX", LXe_PP, LXe_RIND, NUMENTRIES); |
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75 | LXe_mt->AddProperty("ABSLENGTH", LXe_PP, LXe_ABSL, NUMENTRIES); |
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76 | LXe_mt->AddConstProperty("SCINTILLATIONYIELD",12000./MeV); // include QE 20% |
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77 | // and 13eV creation energy for photons - may be 15eV? |
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78 | // Fano factor assumed 1; should be much less for Xe ~ 0.13 |
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79 | // but the Fano factor is already partially included in the correlated |
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80 | // electron production - therefore not the absolute Fano factor here: |
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81 | LXe_mt->AddConstProperty("RESOLUTIONSCALE",1.0); |
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82 | LXe_mt->AddConstProperty("FASTTIMECONSTANT",20.*ns); |
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83 | LXe_mt->AddConstProperty("SLOWTIMECONSTANT",45.*ns); |
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84 | LXe_mt->AddConstProperty("YIELDRATIO",1.0); |
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85 | LXe->SetMaterialPropertiesTable(LXe_mt); |
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86 | |
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87 | // G4double GXe_PP[NUMENTRIES] = { 7.07*eV, 7.07*eV }; |
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88 | G4double GXe_PP[NUMENTRIES] = { 7.0*eV, 7.07*eV, 7.14*eV }; |
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89 | G4double GXe_SCINT[NUMENTRIES] = { 0.1, 1.0, 0.1 }; |
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90 | G4double GXe_RIND[NUMENTRIES] = { 1.00, 1.00, 1.00 }; |
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91 | G4double GXe_ABSL[NUMENTRIES] = { 100*m, 100*m, 100*m}; //atten length |
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92 | G4MaterialPropertiesTable *GXe_mt = new G4MaterialPropertiesTable(); |
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93 | GXe_mt->AddProperty("FASTCOMPONENT", GXe_PP, GXe_SCINT, NUMENTRIES); |
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94 | GXe_mt->AddProperty("SLOWCOMPONENT", GXe_PP, GXe_SCINT, NUMENTRIES); |
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95 | GXe_mt->AddProperty("RINDEX", GXe_PP, GXe_RIND, NUMENTRIES); |
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96 | GXe_mt->AddProperty("ABSLENGTH", GXe_PP, GXe_ABSL, NUMENTRIES); |
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97 | GXe_mt->AddConstProperty("SCINTILLATIONYIELD",12000./MeV); // include QE 20% |
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98 | GXe_mt->AddConstProperty("RESOLUTIONSCALE",1.0); |
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99 | GXe_mt->AddConstProperty("FASTTIMECONSTANT",20.*ns); |
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100 | GXe_mt->AddConstProperty("SLOWTIMECONSTANT",45.*ns); |
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101 | GXe_mt->AddConstProperty("YIELDRATIO",1.0); |
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102 | GXe->SetMaterialPropertiesTable(GXe_mt); |
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103 | |
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104 | |
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105 | // making quartz |
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106 | G4Element* O = new G4Element |
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107 | (name="Oxygen" ,symbol="O" , z= 8., a=16.00*g/mole); |
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108 | G4Element* Si = new G4Element |
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109 | (name="Silicon",symbol="Si" , z= 14., a=28.09*g/mole); |
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110 | G4Material* quartz = new G4Material |
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111 | (name="quartz", density=2.200*g/cm3, ncomponents=2); |
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112 | quartz->AddElement(Si, 1); |
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113 | quartz->AddElement(O , 2); |
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114 | |
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115 | G4double quartz_PP[NUMENTRIES] = { 5.0*eV, 6.69*eV, 7.50*eV }; // lambda range 4 ri |
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116 | G4double quartz_RIND[NUMENTRIES] = { 1.51, 1.57, 1.61 }; // ref index |
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117 | // G4double quartz_RIND[NUMENTRIES] = { 1.45, 1.51, 1.54 }; // ref index |
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118 | G4double quartz_ABSL[NUMENTRIES] = { 3.0*cm, 3.0*cm, 3.0*cm };// atten length |
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119 | G4MaterialPropertiesTable *quartz_mt = new G4MaterialPropertiesTable(); |
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120 | quartz_mt->AddProperty("RINDEX", quartz_PP, quartz_RIND, NUMENTRIES); |
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121 | quartz_mt->AddProperty("ABSLENGTH", quartz_PP, quartz_ABSL, NUMENTRIES); |
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122 | quartz->SetMaterialPropertiesTable(quartz_mt); |
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123 | |
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124 | |
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125 | // aluminium |
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126 | G4Element* Al = new G4Element |
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127 | (name="Aluminium" ,symbol="Al" , z= 13., a=26.98*g/mole); |
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128 | G4Material* metalAl = new G4Material |
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129 | (name="MetalAluminium", density=2.700*g/cm3, ncomponents=1); |
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130 | metalAl->AddElement(Al, 1); |
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131 | |
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132 | |
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133 | // photocathode aluminium |
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134 | G4Material* cathmetalAl = new G4Material |
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135 | (name="CathodeMetalAluminium", density=2.700*g/cm3, ncomponents=1); |
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136 | cathmetalAl->AddElement(Al, 1); |
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137 | |
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138 | G4double cathmetal_PP[NUMENTRIES] = { 5.0*eV, 6.69*eV, 7.50*eV }; |
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139 | G4double cathmetal_RIND[NUMENTRIES] = { 1.51, 1.57, 1.61 }; // ref index |
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140 | G4double cathmetal_ABSL[NUMENTRIES] = { 1.e-20*m, 1.e-20*m, 1.e-20*m };// atten length |
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141 | // G4double cathmetal_ABSL[NUMENTRIES] = { 3.0*cm, 3.0*cm, 3.0*cm };// atten length |
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142 | G4MaterialPropertiesTable *cathmetal_mt = new G4MaterialPropertiesTable(); |
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143 | cathmetal_mt->AddProperty("RINDEX", cathmetal_PP, cathmetal_RIND,NUMENTRIES); |
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144 | cathmetal_mt->AddProperty("ABSLENGTH", cathmetal_PP, cathmetal_ABSL, NUMENTRIES); |
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145 | cathmetalAl->SetMaterialPropertiesTable(cathmetal_mt); |
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146 | |
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147 | |
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148 | // iron |
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149 | G4Element* Fe = new G4Element |
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150 | (name="Iron" ,symbol="Fe" , z= 26., a=55.85*g/mole); |
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151 | G4Material* metalFe = new G4Material |
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152 | (name="MetalIron", density=7.874*g/cm3, ncomponents=1); |
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153 | metalFe->AddElement(Fe, 1); |
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154 | |
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155 | |
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156 | // stainless steel |
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157 | G4Element* C = new G4Element( "Carbon", "C", 6. , 12.011*g/mole); |
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158 | G4Element* Co = new G4Element( "Cobalt", "Co", 27. , 58.9332*g/mole); |
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159 | G4Material* ssteel = new G4Material |
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160 | (name="Steel", density=7.7*g/cm3, ncomponents=3); |
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161 | ssteel->AddElement(C, 0.04); |
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162 | ssteel->AddElement(Fe, 0.88); |
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163 | ssteel->AddElement(Co, 0.08); |
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164 | |
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165 | |
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166 | // copper |
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167 | G4Element* Cu = new G4Element |
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168 | (name="Copper" ,symbol="Cu" , z= 29., a=63.55*g/mole); |
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169 | G4Material* metalCu = new G4Material |
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170 | (name="MetalCopper", density=8.960*g/cm3, ncomponents=1); |
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171 | metalCu->AddElement(Cu, 1); |
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172 | |
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173 | // lead |
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174 | G4Element* Pb = new G4Element |
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175 | (name="Lead",symbol="Pb" , z= 82., a=207.2*g/mole); |
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176 | G4Material* metalPb = new G4Material |
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177 | (name="MetalLead", density=11.340*g/cm3, ncomponents=1); |
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178 | metalPb->AddElement(Pb, 1); |
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179 | |
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180 | |
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181 | /* |
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182 | // Americium: - NOTE it's AmO2.......... |
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183 | G4Isotope* Am241 = new G4Isotope |
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184 | (name="Americium241", iz= 95, in=241, a=241.0*g/mole); |
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185 | G4Element* Am = new G4Element |
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186 | (name="Americium241", "Am", ncomponents=1); |
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187 | Am->AddIsotope(Am241, abundance=1); |
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188 | G4Material* sourceAm = new G4Material |
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189 | (name="AmericiumSource", density=13.61*g/cm3, ncomponents=2); |
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190 | sourceAm->AddElement(Am, 1); |
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191 | sourceAm->AddElement(O , 2); |
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192 | */ |
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193 | |
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194 | // using Uranium because Americium not yet defined for RDM |
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195 | G4Isotope* U235 = new G4Isotope |
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196 | (name="Uranium235", iz= 92, in=235, a=235.0*g/mole); |
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197 | G4Element* U = new G4Element |
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198 | (name="Uranium", "U", ncomponents=1); |
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199 | U->AddIsotope(U235, abundance=1); |
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200 | G4Material* sourceAm = new G4Material |
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201 | (name="UraniumSource", density=13.61*g/cm3, ncomponents=1); |
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202 | sourceAm->AddElement(U, 1); |
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203 | |
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204 | // air |
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205 | G4Element* N = new G4Element |
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206 | (name="Nitrogen",symbol="N" , z= 7., a=14.00674*g/mole); |
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207 | G4Material* Air = new G4Material |
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208 | ("AIR", 1.2929*kg/m3, 2, kStateGas, 300.00*kelvin, 1.0*atmosphere); |
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209 | Air->AddElement(N, 0.8); |
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210 | Air->AddElement(O , 0.2); |
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211 | |
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212 | // liquid nitrogen: |
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213 | G4Material* LN2 = new G4Material |
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214 | ("LN2", 0.8*g/cm3, 1, kStateLiquid, 77.*kelvin, 1.0*atmosphere); |
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215 | LN2->AddElement(N, 1); |
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216 | |
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217 | //concrete |
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218 | G4Element* H = new G4Element |
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219 | (name="Hydrogen",symbol="H" , z= 1., a=1.00794*g/mole); |
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220 | G4Element* Ca = new G4Element |
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221 | (name="Calcium",symbol="Ca" , z= 20., a=40.078*g/mole); |
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222 | G4Material* concrete = new G4Material |
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223 | (name="Concrete", density=2.3*g/cm3, ncomponents=6); |
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224 | concrete->AddElement(Si, 0.227915); |
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225 | concrete->AddElement(O, 0.60541); |
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226 | concrete->AddElement(H, 0.09972); |
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227 | concrete->AddElement(Ca, 0.04986); |
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228 | concrete->AddElement(Al, 0.014245); |
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229 | concrete->AddElement(Fe, 0.00285); |
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230 | |
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231 | |
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232 | //water |
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233 | G4Material* water = new G4Material |
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234 | (name="water", density=1.00*g/cm3, ncomponents=2); |
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235 | water->AddElement(H , 2); |
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236 | water->AddElement(O , 1); |
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237 | |
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238 | |
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239 | // wood |
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240 | G4Material* wood = new G4Material |
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241 | (name="wood", density=0.9*g/cm3, ncomponents=3); |
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242 | wood->AddElement(H , 4); |
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243 | wood->AddElement(O , 1); |
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244 | wood->AddElement(C , 2); |
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245 | |
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246 | // print materials |
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247 | // G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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248 | // G4cout << *(G4Isotope::GetIsotopeTable()) << G4endl; |
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249 | // G4cout << *(G4Element::GetElementTable()) << G4endl; |
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250 | |
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251 | // assign materials |
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252 | world_mat = concrete; |
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253 | lab_mat = Air; |
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254 | cupboard_mat = wood; |
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255 | glass_mat = quartz; |
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256 | panel_mat = metalAl; |
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257 | door_mat = wood; |
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258 | desk_mat = wood; |
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259 | crate_mat = metalAl; |
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260 | LN2jacket_mat = ssteel; |
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261 | LN2_mat = LN2; |
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262 | jacket_mat = ssteel; |
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263 | jacketflange_mat = ssteel; |
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264 | vacuum_mat = vacuum; |
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265 | copper_mat = metalCu; |
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266 | vessel_mat = ssteel; |
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267 | // GXe_mat = GXe; |
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268 | GXe_mat = LXe; |
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269 | CuShield_mat = metalCu; |
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270 | LXe_mat = LXe; |
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271 | alpha_mat = metalPb; |
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272 | americium_mat = sourceAm; |
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273 | ring_mat = ssteel; |
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274 | mirror_mat = metalAl; |
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275 | grid_mat = LXe; |
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276 | pmt_mat = quartz; |
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277 | phcath_mat = cathmetalAl; |
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