1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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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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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 | // $Id: AnaEx01DetectorConstruction.cc,v 1.5 2006/06/29 16:33:49 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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29 | // |
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30 | // |
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31 | |
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32 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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33 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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34 | |
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35 | #include "AnaEx01DetectorConstruction.hh" |
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36 | #include "AnaEx01DetectorMessenger.hh" |
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37 | |
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38 | #include "AnaEx01CalorimeterSD.hh" |
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39 | |
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40 | #include "G4Material.hh" |
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41 | #include "G4Box.hh" |
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42 | #include "G4LogicalVolume.hh" |
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43 | #include "G4PVPlacement.hh" |
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44 | #include "G4PVReplica.hh" |
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45 | #include "G4UniformMagField.hh" |
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46 | #include "G4FieldManager.hh" |
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47 | #include "G4TransportationManager.hh" |
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48 | #include "G4SDManager.hh" |
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49 | #include "G4RunManager.hh" |
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50 | |
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51 | #include "G4VisAttributes.hh" |
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52 | #include "G4Colour.hh" |
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53 | |
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54 | #include "G4ios.hh" |
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55 | |
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56 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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57 | |
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58 | AnaEx01DetectorConstruction::AnaEx01DetectorConstruction() |
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59 | :AbsorberMaterial(NULL) |
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60 | ,GapMaterial(NULL) |
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61 | ,defaultMaterial(NULL) |
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62 | ,solidWorld(NULL) |
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63 | ,logicWorld(NULL) |
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64 | ,physiWorld(NULL) |
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65 | ,solidCalor(NULL) |
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66 | ,logicCalor(NULL) |
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67 | ,physiCalor(NULL) |
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68 | ,solidLayer(NULL) |
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69 | ,logicLayer(NULL) |
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70 | ,physiLayer(NULL) |
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71 | ,solidAbsorber(NULL) |
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72 | ,logicAbsorber(NULL) |
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73 | ,physiAbsorber(NULL) |
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74 | ,solidGap(NULL) |
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75 | ,logicGap(NULL) |
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76 | ,physiGap(NULL) |
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77 | ,magField(NULL) |
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78 | ,calorimeterSD(NULL) |
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79 | { |
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80 | // default parameter values of the calorimeter |
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81 | AbsorberThickness = 10.*mm; |
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82 | GapThickness = 5.*mm; |
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83 | NbOfLayers = 10; |
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84 | CalorSizeYZ = 10.*cm; |
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85 | ComputeCalorParameters(); |
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86 | |
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87 | // create commands for interactive definition of the calorimeter |
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88 | detectorMessenger = new AnaEx01DetectorMessenger(this); |
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89 | } |
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90 | |
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91 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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92 | |
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93 | AnaEx01DetectorConstruction::~AnaEx01DetectorConstruction() |
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94 | { delete detectorMessenger;} |
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95 | |
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96 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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97 | |
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98 | G4VPhysicalVolume* AnaEx01DetectorConstruction::Construct() |
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99 | { |
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100 | DefineMaterials(); |
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101 | return ConstructCalorimeter(); |
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102 | } |
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103 | |
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104 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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105 | |
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106 | void AnaEx01DetectorConstruction::DefineMaterials() |
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107 | { |
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108 | //This function illustrates the possible ways to define materials |
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109 | |
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110 | G4String name, symbol; //a=mass of a mole; |
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111 | G4double a, z, density; //z=mean number of protons; |
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112 | G4int iz, n; //iz=number of protons in an isotope; |
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113 | // n=number of nucleons in an isotope; |
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114 | |
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115 | G4int ncomponents, natoms; |
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116 | G4double abundance, fractionmass; |
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117 | G4double temperature, pressure; |
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118 | |
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119 | // |
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120 | // define Elements |
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121 | // |
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122 | |
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123 | a = 1.01*g/mole; |
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124 | G4Element* H = new G4Element(name="Hydrogen",symbol="H" , z= 1., a); |
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125 | |
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126 | a = 12.01*g/mole; |
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127 | G4Element* C = new G4Element(name="Carbon" ,symbol="C" , z= 6., a); |
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128 | |
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129 | a = 14.01*g/mole; |
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130 | G4Element* N = new G4Element(name="Nitrogen",symbol="N" , z= 7., a); |
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131 | |
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132 | a = 16.00*g/mole; |
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133 | G4Element* O = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a); |
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134 | |
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135 | a = 28.09*g/mole; |
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136 | G4Element* Si = new G4Element(name="Silicon",symbol="Si" , z= 14., a); |
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137 | |
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138 | // |
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139 | // define an Element from isotopes, by relative abundance |
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140 | // |
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141 | |
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142 | G4Isotope* U5 = new G4Isotope(name="U235", iz=92, n=235, a=235.01*g/mole); |
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143 | G4Isotope* U8 = new G4Isotope(name="U238", iz=92, n=238, a=238.03*g/mole); |
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144 | |
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145 | G4Element* U = new G4Element(name="enriched Uranium", symbol="U", ncomponents=2); |
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146 | U->AddIsotope(U5, abundance= 90.*perCent); |
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147 | U->AddIsotope(U8, abundance= 10.*perCent); |
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148 | |
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149 | // |
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150 | // define simple materials |
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151 | // |
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152 | |
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153 | density = 1.390*g/cm3; |
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154 | a = 39.95*g/mole; |
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155 | G4Material* lAr = new G4Material(name="liquidArgon", z=18., a, density); |
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156 | |
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157 | density = 11.35*g/cm3; |
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158 | a = 207.19*g/mole; |
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159 | G4Material* Pb = new G4Material(name="Lead" , z=82., a, density); |
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160 | |
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161 | // |
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162 | // define a material from elements. case 1: chemical molecule |
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163 | // |
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164 | |
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165 | density = 1.000*g/cm3; |
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166 | G4Material* H2O = new G4Material(name="Water", density, ncomponents=2); |
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167 | H2O->AddElement(H, natoms=2); |
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168 | H2O->AddElement(O, natoms=1); |
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169 | |
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170 | density = 1.032*g/cm3; |
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171 | G4Material* Sci = new G4Material(name="Scintillator", density, ncomponents=2); |
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172 | Sci->AddElement(C, natoms=9); |
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173 | Sci->AddElement(H, natoms=10); |
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174 | |
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175 | density = 2.200*g/cm3; |
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176 | G4Material* SiO2 = new G4Material(name="quartz", density, ncomponents=2); |
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177 | SiO2->AddElement(Si, natoms=1); |
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178 | SiO2->AddElement(O , natoms=2); |
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179 | |
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180 | // |
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181 | // define a material from elements. case 2: mixture by fractional mass |
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182 | // |
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183 | |
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184 | density = 1.290*mg/cm3; |
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185 | G4Material* Air = new G4Material(name="Air" , density, ncomponents=2); |
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186 | Air->AddElement(N, fractionmass=0.7); |
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187 | Air->AddElement(O, fractionmass=0.3); |
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188 | |
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189 | // |
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190 | // define a material from elements and/or others materials (mixture of mixtures) |
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191 | // |
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192 | |
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193 | density = 0.200*g/cm3; |
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194 | G4Material* Aerog = new G4Material(name="Aerogel", density, ncomponents=3); |
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195 | Aerog->AddMaterial(SiO2, fractionmass=62.5*perCent); |
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196 | Aerog->AddMaterial(H2O , fractionmass=37.4*perCent); |
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197 | Aerog->AddElement (C , fractionmass= 0.1*perCent); |
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198 | |
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199 | // |
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200 | // examples of gas in non STP conditions |
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201 | // |
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202 | |
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203 | density = 27.*mg/cm3; |
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204 | pressure = 50.*atmosphere; |
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205 | temperature = 325.*kelvin; |
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206 | G4Material* CO2 = new G4Material(name="CarbonicGas", density, ncomponents=2, |
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207 | kStateGas,temperature,pressure); |
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208 | CO2->AddElement(C, natoms=1); |
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209 | CO2->AddElement(O, natoms=2); |
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210 | |
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211 | density = 0.3*mg/cm3; |
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212 | pressure = 2.*atmosphere; |
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213 | temperature = 500.*kelvin; |
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214 | G4Material* steam = new G4Material(name="WaterSteam", density, ncomponents=1, |
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215 | kStateGas,temperature,pressure); |
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216 | steam->AddMaterial(H2O, fractionmass=1.); |
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217 | |
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218 | // |
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219 | // examples of vacuum |
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220 | // |
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221 | |
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222 | density = universe_mean_density; //from PhysicalConstants.h |
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223 | pressure = 3.e-18*pascal; |
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224 | temperature = 2.73*kelvin; |
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225 | new G4Material(name="Galactic", z=1., a=1.01*g/mole, density, |
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226 | kStateGas,temperature,pressure); |
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227 | |
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228 | density = 1.e-5*g/cm3; |
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229 | pressure = 2.e-2*bar; |
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230 | temperature = STP_Temperature; //from PhysicalConstants.h |
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231 | G4Material* beam = new G4Material(name="Beam", density, ncomponents=1, |
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232 | kStateGas,temperature,pressure); |
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233 | beam->AddMaterial(Air, fractionmass=1.); |
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234 | |
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235 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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236 | |
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237 | //default materials of the calorimeter |
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238 | AbsorberMaterial = Pb; |
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239 | GapMaterial = lAr; |
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240 | defaultMaterial = Air; |
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241 | } |
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242 | |
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243 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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244 | |
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245 | G4VPhysicalVolume* AnaEx01DetectorConstruction::ConstructCalorimeter() |
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246 | { |
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247 | // complete the Calor parameters definition |
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248 | ComputeCalorParameters(); |
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249 | |
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250 | // |
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251 | // World |
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252 | // |
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253 | solidWorld = new G4Box("World", //its name |
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254 | WorldSizeX/2,WorldSizeYZ/2,WorldSizeYZ/2); //its size |
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255 | |
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256 | logicWorld = new G4LogicalVolume(solidWorld, //its solid |
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257 | defaultMaterial, //its material |
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258 | "World"); //its name |
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259 | |
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260 | physiWorld = new G4PVPlacement(0, //no rotation |
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261 | G4ThreeVector(), //at (0,0,0) |
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262 | "World", //its name |
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263 | logicWorld, //its logical volume |
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264 | NULL, //its mother volume |
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265 | false, //no boolean operation |
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266 | 0); //copy number |
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267 | |
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268 | // |
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269 | // Calorimeter |
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270 | // |
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271 | solidCalor=NULL; logicCalor=NULL; physiCalor=NULL; |
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272 | solidLayer=NULL; logicLayer=NULL; physiLayer=NULL; |
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273 | |
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274 | if (CalorThickness > 0.) |
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275 | { solidCalor = new G4Box("Calorimeter", //its name |
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276 | CalorThickness/2,CalorSizeYZ/2,CalorSizeYZ/2);//size |
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277 | |
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278 | logicCalor = new G4LogicalVolume(solidCalor, //its solid |
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279 | defaultMaterial, //its material |
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280 | "Calorimeter"); //its name |
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281 | |
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282 | physiCalor = new G4PVPlacement(0, //no rotation |
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283 | G4ThreeVector(), //at (0,0,0) |
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284 | "Calorimeter", //its name |
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285 | logicCalor, //its logical volume |
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286 | physiWorld, //its mother volume |
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287 | false, //no boolean operation |
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288 | 0); //copy number |
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289 | |
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290 | // |
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291 | // Layer |
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292 | // |
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293 | solidLayer = new G4Box("Layer", //its name |
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294 | LayerThickness/2,CalorSizeYZ/2,CalorSizeYZ/2); //size |
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295 | |
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296 | logicLayer = new G4LogicalVolume(solidLayer, //its solid |
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297 | defaultMaterial, //its material |
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298 | "Layer"); //its name |
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299 | if (NbOfLayers > 1) |
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300 | physiLayer = new G4PVReplica("Layer", //its name |
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301 | logicLayer, //its logical volume |
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302 | physiCalor, //its mother |
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303 | kXAxis, //axis of replication |
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304 | NbOfLayers, //number of replica |
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305 | LayerThickness); //witdth of replica |
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306 | else |
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307 | physiLayer = new G4PVPlacement(0, //no rotation |
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308 | G4ThreeVector(), //at (0,0,0) |
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309 | "Layer", //its name |
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310 | logicLayer, //its logical volume |
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311 | physiCalor, //its mother volume |
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312 | false, //no boolean operation |
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313 | 0); //copy number |
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314 | } |
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315 | |
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316 | // |
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317 | // Absorber |
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318 | // |
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319 | solidAbsorber=NULL; logicAbsorber=NULL; physiAbsorber=NULL; |
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320 | |
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321 | if (AbsorberThickness > 0.) |
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322 | { solidAbsorber = new G4Box("Absorber", //its name |
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323 | AbsorberThickness/2,CalorSizeYZ/2,CalorSizeYZ/2); |
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324 | |
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325 | logicAbsorber = new G4LogicalVolume(solidAbsorber, //its solid |
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326 | AbsorberMaterial, //its material |
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327 | "Absorber"); //its name |
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328 | |
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329 | physiAbsorber = new G4PVPlacement(0, //no rotation |
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330 | G4ThreeVector(-GapThickness/2,0.,0.), //its position |
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331 | "Absorber", //its name |
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332 | logicAbsorber, //its logical volume |
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333 | physiLayer, //its mother |
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334 | false, //no boulean operat |
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335 | 0); //copy number |
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336 | |
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337 | } |
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338 | |
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339 | // |
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340 | // Gap |
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341 | // |
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342 | solidGap=NULL; logicGap=NULL; physiGap=NULL; |
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343 | |
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344 | if (GapThickness > 0.) |
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345 | { solidGap = new G4Box("Gap", |
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346 | GapThickness/2,CalorSizeYZ/2,CalorSizeYZ/2); |
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347 | |
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348 | logicGap = new G4LogicalVolume(solidGap, |
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349 | GapMaterial, |
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350 | "Gap"); |
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351 | |
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352 | physiGap = new G4PVPlacement(0, //no rotation |
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353 | G4ThreeVector(AbsorberThickness/2,0.,0.), //its position |
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354 | "Gap", //its name |
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355 | logicGap, //its logical volume |
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356 | physiLayer, //its mother |
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357 | false, //no boulean operat |
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358 | 0); //copy number |
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359 | } |
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360 | |
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361 | // |
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362 | // Sensitive Detectors: Absorber and Gap |
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363 | // |
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364 | G4SDManager* SDman = G4SDManager::GetSDMpointer(); |
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365 | |
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366 | if(!calorimeterSD) |
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367 | { |
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368 | calorimeterSD = new AnaEx01CalorimeterSD("CalorSD",this); |
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369 | SDman->AddNewDetector( calorimeterSD ); |
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370 | } |
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371 | if (logicAbsorber) |
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372 | logicAbsorber->SetSensitiveDetector(calorimeterSD); |
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373 | if (logicGap) |
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374 | logicGap ->SetSensitiveDetector(calorimeterSD); |
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375 | |
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376 | // |
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377 | // Visualization attributes |
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378 | // |
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379 | logicWorld->SetVisAttributes (G4VisAttributes::Invisible); |
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380 | G4VisAttributes* simpleBoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0)); |
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381 | simpleBoxVisAtt->SetVisibility(true); |
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382 | logicCalor->SetVisAttributes(simpleBoxVisAtt); |
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383 | |
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384 | // |
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385 | //always return the physical World |
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386 | // |
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387 | PrintCalorParameters(); |
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388 | return physiWorld; |
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389 | } |
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390 | |
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391 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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392 | |
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393 | void AnaEx01DetectorConstruction::PrintCalorParameters() |
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394 | { |
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395 | G4cout << "\n------------------------------------------------------------" |
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396 | << "\n---> The calorimeter is " << NbOfLayers << " layers of: [ " |
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397 | << AbsorberThickness/mm << "mm of " << AbsorberMaterial->GetName() |
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398 | << " + " |
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399 | << GapThickness/mm << "mm of " << GapMaterial->GetName() << " ] " |
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400 | << "\n------------------------------------------------------------\n"; |
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401 | } |
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402 | |
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403 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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404 | |
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405 | void AnaEx01DetectorConstruction::SetAbsorberMaterial(G4String materialChoice) |
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406 | { |
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407 | // search the material by its name |
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408 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); |
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409 | if (pttoMaterial) |
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410 | {AbsorberMaterial = pttoMaterial; |
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411 | logicAbsorber->SetMaterial(pttoMaterial); |
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412 | PrintCalorParameters(); |
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413 | } |
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414 | } |
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415 | |
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416 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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417 | |
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418 | void AnaEx01DetectorConstruction::SetGapMaterial(G4String materialChoice) |
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419 | { |
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420 | // search the material by its name |
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421 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); |
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422 | if (pttoMaterial) |
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423 | {GapMaterial = pttoMaterial; |
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424 | logicGap->SetMaterial(pttoMaterial); |
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425 | PrintCalorParameters(); |
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426 | } |
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427 | } |
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428 | |
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429 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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430 | |
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431 | void AnaEx01DetectorConstruction::SetAbsorberThickness(G4double val) |
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432 | { |
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433 | // change Absorber thickness and recompute the calorimeter parameters |
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434 | AbsorberThickness = val; |
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435 | } |
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436 | |
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437 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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438 | |
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439 | void AnaEx01DetectorConstruction::SetGapThickness(G4double val) |
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440 | { |
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441 | // change Gap thickness and recompute the calorimeter parameters |
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442 | GapThickness = val; |
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443 | } |
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444 | |
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445 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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446 | |
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447 | void AnaEx01DetectorConstruction::SetCalorSizeYZ(G4double val) |
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448 | { |
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449 | // change the transverse size and recompute the calorimeter parameters |
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450 | CalorSizeYZ = val; |
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451 | } |
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452 | |
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453 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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454 | |
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455 | void AnaEx01DetectorConstruction::SetNbOfLayers(G4int val) |
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456 | { |
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457 | NbOfLayers = val; |
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458 | } |
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459 | |
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460 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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461 | |
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462 | void AnaEx01DetectorConstruction::SetMagField(G4double fieldValue) |
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463 | { |
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464 | //apply a global uniform magnetic field along Z axis |
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465 | G4FieldManager* fieldMgr |
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466 | = G4TransportationManager::GetTransportationManager()->GetFieldManager(); |
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467 | |
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468 | if(magField) delete magField; //delete the existing magn field |
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469 | |
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470 | if(fieldValue!=0.) // create a new one if non nul |
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471 | { magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue)); |
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472 | fieldMgr->SetDetectorField(magField); |
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473 | fieldMgr->CreateChordFinder(magField); |
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474 | } else { |
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475 | magField = NULL; |
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476 | fieldMgr->SetDetectorField(magField); |
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477 | } |
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478 | } |
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479 | |
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480 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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481 | |
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482 | void AnaEx01DetectorConstruction::UpdateGeometry() |
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483 | { |
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484 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructCalorimeter()); |
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485 | } |
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486 | |
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487 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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