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 | // $Id: G4SandiaTable.cc,v 1.34 2007/10/02 10:13:33 vnivanch Exp $ |
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28 | // GEANT4 tag $Name: $ |
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29 | // |
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30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... |
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31 | // |
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32 | // 10.06.97 created. V. Grichine |
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33 | // 18.11.98 simplified public interface; new methods for materials. mma |
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34 | // 31.01.01 redesign of ComputeMatSandiaMatrix(). mma |
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35 | // 16.02.01 adapted for STL. mma |
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36 | // 22.02.01 GetsandiaCofForMaterial(energy) return 0 below lowest interval mma |
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37 | // 03.04.01 fnulcof returned if energy < emin |
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38 | // 10.07.01 Migration to STL. M. Verderi. |
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39 | // 03.02.04 Update distructor V.Ivanchenko |
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40 | // 05.03.04 New methods for old sorting algorithm for PAI model. V.Grichine |
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41 | // |
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42 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... |
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43 | |
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44 | |
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45 | #include "G4SandiaTable.hh" |
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46 | #include "G4StaticSandiaData.hh" |
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47 | #include "G4Material.hh" |
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48 | #include "G4MaterialTable.hh" |
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49 | |
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50 | G4int G4SandiaTable::fCumulInterval[101]; |
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51 | G4double G4SandiaTable::fSandiaCofPerAtom[4]; |
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52 | G4double const G4SandiaTable::funitc[4] = {cm2*keV/g, |
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53 | cm2*keV*keV/g, |
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54 | cm2*keV*keV*keV/g, |
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55 | cm2*keV*keV*keV*keV/g}; |
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56 | |
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57 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... |
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58 | |
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59 | G4SandiaTable::G4SandiaTable(G4Material* material) |
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60 | : fMaterial(material) |
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61 | { |
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62 | fMatSandiaMatrix = 0; |
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63 | fMatSandiaMatrixPAI = 0; |
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64 | fPhotoAbsorptionCof = 0; |
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65 | |
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66 | //build the CumulInterval array |
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67 | fCumulInterval[0] = 1; |
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68 | for (G4int Z=1; Z<101; Z++) { |
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69 | fCumulInterval[Z] = fCumulInterval[Z-1] + fNbOfIntervals[Z]; |
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70 | } |
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71 | //compute macroscopic Sandia coefs for a material |
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72 | ComputeMatSandiaMatrix(); |
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73 | |
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74 | //initialisation of fnulcof |
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75 | fnulcof[0] = fnulcof[1] = fnulcof[2] = fnulcof[3] = 0.; |
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76 | } |
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77 | |
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78 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... |
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79 | |
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80 | // Fake default constructor - sets only member data and allocates memory |
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81 | // for usage restricted to object persistency |
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82 | |
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83 | G4SandiaTable::G4SandiaTable(__void__&) |
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84 | : fMaterial(0), fMatSandiaMatrix(0), fPhotoAbsorptionCof(0) |
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85 | { |
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86 | } |
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87 | |
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88 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... |
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89 | |
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90 | G4SandiaTable::~G4SandiaTable() |
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91 | { |
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92 | if(fMatSandiaMatrix) { |
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93 | fMatSandiaMatrix->clearAndDestroy(); |
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94 | delete fMatSandiaMatrix; |
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95 | } |
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96 | if(fMatSandiaMatrixPAI) { |
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97 | fMatSandiaMatrixPAI->clearAndDestroy(); |
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98 | delete fMatSandiaMatrixPAI; |
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99 | } |
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100 | if(fPhotoAbsorptionCof) |
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101 | { |
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102 | delete [] fPhotoAbsorptionCof ; |
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103 | } |
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104 | } |
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105 | |
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106 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... |
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107 | |
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108 | G4double G4SandiaTable::GetZtoA(G4int Z) |
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109 | { |
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110 | return fZtoAratio[Z]; |
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111 | } |
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112 | |
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113 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... |
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114 | |
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115 | G4double* |
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116 | G4SandiaTable::GetSandiaCofPerAtom(G4int Z, G4double energy) |
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117 | { |
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118 | assert (Z > 0 && Z < 101); |
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119 | |
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120 | G4double Emin = fSandiaTable[fCumulInterval[Z-1]][0]*keV; |
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121 | G4double Iopot = fIonizationPotentials[Z]*eV; |
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122 | if (Iopot > Emin) Emin = Iopot; |
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123 | |
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124 | G4int interval = fNbOfIntervals[Z] - 1; |
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125 | G4int row = fCumulInterval[Z-1] + interval; |
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126 | while ((interval>0) && (energy<fSandiaTable[row][0]*keV)) { |
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127 | --interval; |
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128 | row = fCumulInterval[Z-1] + interval; |
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129 | } |
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130 | if (energy >= Emin) |
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131 | { |
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132 | G4double AoverAvo = Z*amu/fZtoAratio[Z]; |
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133 | |
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134 | fSandiaCofPerAtom[0]=AoverAvo*funitc[0]*fSandiaTable[row][1]; |
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135 | fSandiaCofPerAtom[1]=AoverAvo*funitc[1]*fSandiaTable[row][2]; |
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136 | fSandiaCofPerAtom[2]=AoverAvo*funitc[2]*fSandiaTable[row][3]; |
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137 | fSandiaCofPerAtom[3]=AoverAvo*funitc[3]*fSandiaTable[row][4]; |
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138 | } |
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139 | else |
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140 | { |
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141 | fSandiaCofPerAtom[0] = fSandiaCofPerAtom[1] = fSandiaCofPerAtom[2] = |
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142 | fSandiaCofPerAtom[3] = 0.; |
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143 | } |
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144 | return fSandiaCofPerAtom; |
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145 | } |
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146 | |
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147 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... |
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148 | |
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149 | void G4SandiaTable::ComputeMatSandiaMatrix() |
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150 | { |
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151 | //get list of elements |
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152 | const G4int NbElm = fMaterial->GetNumberOfElements(); |
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153 | const G4ElementVector* ElementVector = fMaterial->GetElementVector(); |
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154 | |
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155 | G4int* Z = new G4int[NbElm]; //Atomic number |
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156 | |
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157 | // |
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158 | //determine the maximum number of energy-intervals for this material |
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159 | // |
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160 | G4int MaxIntervals = 0; |
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161 | G4int elm; |
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162 | for (elm=0; elm<NbElm; elm++) { |
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163 | Z[elm] = (G4int)(*ElementVector)[elm]->GetZ(); |
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164 | MaxIntervals += fNbOfIntervals[Z[elm]]; |
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165 | } |
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166 | |
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167 | // |
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168 | //copy the Energy bins in a tmp1 array |
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169 | //(take care of the Ionization Potential of each element) |
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170 | // |
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171 | G4double* tmp1 = new G4double[MaxIntervals]; |
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172 | G4double IonizationPot; |
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173 | G4int interval1=0; |
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174 | for (elm=0; elm<NbElm; elm++) { |
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175 | |
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176 | IonizationPot = GetIonizationPot(Z[elm]); |
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177 | for (G4int row=fCumulInterval[Z[elm]-1];row<fCumulInterval[Z[elm]];row++) { |
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178 | tmp1[interval1++] = std::max(fSandiaTable[row][0]*keV,IonizationPot); |
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179 | } |
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180 | } |
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181 | // |
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182 | //sort the energies in strickly increasing values in a tmp2 array |
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183 | //(eliminate redondances) |
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184 | // |
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185 | G4double* tmp2 = new G4double[MaxIntervals]; |
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186 | G4double Emin; |
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187 | G4int interval2 = 0; |
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188 | |
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189 | do { |
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190 | Emin = DBL_MAX; |
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191 | for (G4int i1=0; i1<MaxIntervals; i1++) { |
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192 | if (tmp1[i1] < Emin) Emin = tmp1[i1]; //find the minimum |
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193 | } |
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194 | if (Emin < DBL_MAX) tmp2[interval2++] = Emin; //copy Emin in tmp2 |
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195 | for (G4int j1=0; j1<MaxIntervals; j1++) { |
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196 | if (tmp1[j1] <= Emin) tmp1[j1] = DBL_MAX; //eliminate from tmp1 |
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197 | } |
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198 | } while (Emin < DBL_MAX); |
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199 | |
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200 | // |
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201 | //create the sandia matrix for this material |
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202 | // |
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203 | fMatSandiaMatrix = new G4OrderedTable(); |
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204 | G4int interval; |
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205 | for (interval=0; interval<interval2; interval++) { |
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206 | fMatSandiaMatrix->push_back(new G4DataVector(5,0.)); |
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207 | } |
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208 | // |
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209 | //ready to compute the Sandia coefs for the material |
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210 | // |
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211 | const G4double* NbOfAtomsPerVolume = fMaterial->GetVecNbOfAtomsPerVolume(); |
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212 | |
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213 | const G4double prec = 1.e-03*eV; |
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214 | G4double coef, oldsum(0.), newsum(0.); |
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215 | fMatNbOfIntervals = 0; |
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216 | |
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217 | for (interval=0; interval<interval2; interval++) { |
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218 | |
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219 | Emin = (*(*fMatSandiaMatrix)[fMatNbOfIntervals])[0] = tmp2[interval]; |
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220 | for (G4int k=1; k<5; k++) { |
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221 | (*(*fMatSandiaMatrix)[fMatNbOfIntervals])[k]=0.; |
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222 | } |
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223 | newsum = 0.; |
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224 | |
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225 | for (elm=0; elm<NbElm; elm++) { |
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226 | |
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227 | GetSandiaCofPerAtom(Z[elm], Emin+prec); |
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228 | for (G4int j=1; j<5; j++) { |
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229 | |
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230 | coef = NbOfAtomsPerVolume[elm]*fSandiaCofPerAtom[j-1]; |
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231 | (*(*fMatSandiaMatrix)[fMatNbOfIntervals])[j] += coef; |
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232 | newsum += std::abs(coef); |
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233 | } |
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234 | } |
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235 | |
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236 | //check for null or redondant intervals |
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237 | if (newsum != oldsum) { oldsum = newsum; fMatNbOfIntervals++;} |
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238 | } |
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239 | delete [] Z; |
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240 | delete [] tmp1; |
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241 | delete [] tmp2; |
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242 | } |
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243 | |
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244 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... |
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245 | |
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246 | void G4SandiaTable::ComputeMatSandiaMatrixPAI() |
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247 | { |
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248 | G4int MaxIntervals = 0; |
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249 | G4int elm, c, i, j, jj, k, k1, k2, c1, n1; |
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250 | |
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251 | const G4int noElm = fMaterial->GetNumberOfElements(); |
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252 | const G4ElementVector* ElementVector = fMaterial->GetElementVector(); |
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253 | G4int* Z = new G4int[noElm]; //Atomic number |
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254 | |
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255 | for (elm = 0; elm<noElm; elm++) |
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256 | { |
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257 | Z[elm] = (G4int)(*ElementVector)[elm]->GetZ(); |
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258 | MaxIntervals += fNbOfIntervals[Z[elm]]; |
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259 | } |
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260 | fMaxInterval = MaxIntervals + 2; |
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261 | |
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262 | // G4cout<<"fMaxInterval = "<<fMaxInterval<<G4endl ; |
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263 | |
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264 | G4double* fPhotoAbsorptionCof0 = new G4double[fMaxInterval]; |
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265 | G4double* fPhotoAbsorptionCof1 = new G4double[fMaxInterval]; |
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266 | G4double* fPhotoAbsorptionCof2 = new G4double[fMaxInterval]; |
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267 | G4double* fPhotoAbsorptionCof3 = new G4double[fMaxInterval]; |
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268 | G4double* fPhotoAbsorptionCof4 = new G4double[fMaxInterval]; |
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269 | |
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270 | for(c = 0 ; c<fMaxInterval ; c++) // just in case |
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271 | { |
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272 | fPhotoAbsorptionCof0[c] = 0. ; |
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273 | fPhotoAbsorptionCof1[c] = 0. ; |
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274 | fPhotoAbsorptionCof2[c] = 0. ; |
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275 | fPhotoAbsorptionCof3[c] = 0. ; |
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276 | fPhotoAbsorptionCof4[c] = 0. ; |
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277 | } |
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278 | c = 1 ; |
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279 | |
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280 | for(i = 0 ; i < noElm ; i++) |
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281 | { |
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282 | G4double I1 = fIonizationPotentials[Z[i]]*keV ; // First ionization |
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283 | n1 = 1 ; // potential in keV |
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284 | |
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285 | for(j = 1 ; j < Z[i] ; j++) |
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286 | { |
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287 | n1 += fNbOfIntervals[j] ; |
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288 | } |
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289 | G4int n2 = n1 + fNbOfIntervals[Z[i]] ; |
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290 | |
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291 | for(k1 = n1 ; k1 < n2 ; k1++) |
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292 | { |
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293 | if(I1 > fSandiaTable[k1][0]) |
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294 | { |
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295 | continue ; // no ionization for energies smaller than I1 (first |
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296 | } // ionisation potential) |
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297 | break ; |
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298 | } |
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299 | G4int flag = 0 ; |
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300 | |
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301 | for(c1 = 1 ; c1 < c ; c1++) |
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302 | { |
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303 | if(fPhotoAbsorptionCof0[c1] == I1) // this value already has existed |
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304 | { |
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305 | flag = 1 ; |
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306 | break ; |
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307 | } |
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308 | } |
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309 | if(flag == 0) |
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310 | { |
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311 | fPhotoAbsorptionCof0[c] = I1 ; |
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312 | c++ ; |
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313 | } |
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314 | for(k2 = k1 ; k2 < n2 ; k2++) |
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315 | { |
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316 | flag = 0 ; |
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317 | |
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318 | for(c1 = 1 ; c1 < c ; c1++) |
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319 | { |
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320 | if(fPhotoAbsorptionCof0[c1] == fSandiaTable[k2][0]) |
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321 | { |
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322 | flag = 1 ; |
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323 | break ; |
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324 | } |
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325 | } |
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326 | if(flag == 0) |
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327 | { |
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328 | fPhotoAbsorptionCof0[c] = fSandiaTable[k2][0] ; |
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329 | c++ ; |
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330 | } |
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331 | } |
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332 | } // end for(i) |
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333 | |
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334 | // sort out |
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335 | for(i = 1; i < c ; i++ ) |
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336 | { |
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337 | for(j = i + 1 ; j < c; j++ ) |
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338 | { |
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339 | if(fPhotoAbsorptionCof0[i] > fPhotoAbsorptionCof0[j]) |
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340 | { |
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341 | G4double tmp = fPhotoAbsorptionCof0[i]; |
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342 | fPhotoAbsorptionCof0[i] = fPhotoAbsorptionCof0[j]; |
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343 | fPhotoAbsorptionCof0[j] = tmp ; |
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344 | } |
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345 | } |
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346 | } |
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347 | |
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348 | fMaxInterval = c ; |
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349 | |
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350 | const G4double* fractionW = fMaterial->GetFractionVector(); |
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351 | |
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352 | for(i = 0 ; i < noElm; i++) |
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353 | { |
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354 | n1 = 1 ; |
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355 | G4double I1 = fIonizationPotentials[Z[i]]*keV ; |
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356 | |
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357 | for(j = 1 ; j < Z[i] ; j++) |
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358 | { |
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359 | n1 += fNbOfIntervals[j] ; |
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360 | } |
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361 | G4int n2 = n1 + fNbOfIntervals[Z[i]] - 1 ; |
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362 | |
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363 | for(k = n1 ; k < n2 ; k++) |
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364 | { |
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365 | G4double B1 = fSandiaTable[k][0]; |
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366 | G4double B2 = fSandiaTable[k+1][0]; |
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367 | for(G4int c = 1 ; c < fMaxInterval-1 ; c++) |
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368 | { |
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369 | G4double E1 = fPhotoAbsorptionCof0[c]; |
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370 | G4double E2 = fPhotoAbsorptionCof0[c+1]; |
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371 | if(B1 > E1 || B2 < E2 || E1 < I1) |
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372 | { |
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373 | continue ; |
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374 | } |
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375 | fPhotoAbsorptionCof1[c] += fSandiaTable[k][1]*fractionW[i] ; |
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376 | fPhotoAbsorptionCof2[c] += fSandiaTable[k][2]*fractionW[i] ; |
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377 | fPhotoAbsorptionCof3[c] += fSandiaTable[k][3]*fractionW[i] ; |
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378 | fPhotoAbsorptionCof4[c] += fSandiaTable[k][4]*fractionW[i] ; |
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379 | } |
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380 | } |
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381 | // Last interval |
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382 | fPhotoAbsorptionCof1[fMaxInterval-1] += fSandiaTable[k][1]*fractionW[i] ; |
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383 | fPhotoAbsorptionCof2[fMaxInterval-1] += fSandiaTable[k][2]*fractionW[i] ; |
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384 | fPhotoAbsorptionCof3[fMaxInterval-1] += fSandiaTable[k][3]*fractionW[i] ; |
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385 | fPhotoAbsorptionCof4[fMaxInterval-1] += fSandiaTable[k][4]*fractionW[i] ; |
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386 | } // for(i) |
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387 | |
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388 | c = 0 ; // Deleting of first intervals where all coefficients = 0 |
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389 | |
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390 | do |
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391 | { |
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392 | c++ ; |
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393 | |
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394 | if( fPhotoAbsorptionCof1[c] != 0.0 || |
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395 | fPhotoAbsorptionCof2[c] != 0.0 || |
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396 | fPhotoAbsorptionCof3[c] != 0.0 || |
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397 | fPhotoAbsorptionCof4[c] != 0.0 ) continue ; |
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398 | |
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399 | for(jj = 2 ; jj < fMaxInterval ; jj++) |
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400 | { |
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401 | fPhotoAbsorptionCof0[jj-1] = fPhotoAbsorptionCof0[jj]; |
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402 | fPhotoAbsorptionCof1[jj-1] = fPhotoAbsorptionCof1[jj]; |
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403 | fPhotoAbsorptionCof2[jj-1] = fPhotoAbsorptionCof2[jj]; |
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404 | fPhotoAbsorptionCof3[jj-1] = fPhotoAbsorptionCof3[jj]; |
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405 | fPhotoAbsorptionCof4[jj-1] = fPhotoAbsorptionCof4[jj]; |
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406 | } |
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407 | fMaxInterval-- ; |
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408 | c-- ; |
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409 | } |
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410 | while(c < fMaxInterval - 1) ; |
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411 | |
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412 | // create the sandia matrix for this material |
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413 | |
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414 | fMatSandiaMatrixPAI = new G4OrderedTable(); |
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415 | G4double density = fMaterial->GetDensity(); |
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416 | |
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417 | for (i = 0; i < fMaxInterval; i++) |
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418 | { |
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419 | fMatSandiaMatrixPAI->push_back(new G4DataVector(5,0.)); |
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420 | } |
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421 | for (i = 0; i < fMaxInterval; i++) |
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422 | { |
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423 | (*(*fMatSandiaMatrixPAI)[i])[0] = fPhotoAbsorptionCof0[i+1]; |
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424 | (*(*fMatSandiaMatrixPAI)[i])[1] = fPhotoAbsorptionCof1[i+1]*density; |
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425 | (*(*fMatSandiaMatrixPAI)[i])[2] = fPhotoAbsorptionCof2[i+1]*density; |
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426 | (*(*fMatSandiaMatrixPAI)[i])[3] = fPhotoAbsorptionCof3[i+1]*density; |
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427 | (*(*fMatSandiaMatrixPAI)[i])[4] = fPhotoAbsorptionCof4[i+1]*density; |
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428 | |
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429 | } |
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430 | delete [] Z; |
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431 | delete [] fPhotoAbsorptionCof0; |
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432 | delete [] fPhotoAbsorptionCof1; |
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433 | delete [] fPhotoAbsorptionCof2; |
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434 | delete [] fPhotoAbsorptionCof3; |
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435 | delete [] fPhotoAbsorptionCof4; |
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436 | return; |
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437 | } |
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438 | |
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439 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... |
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440 | |
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441 | //////////////////////////////////////////////////////////////////////// |
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442 | //////////////////////////////////////////////////////////////////////// |
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443 | // |
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444 | // Methods for PAI model |
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445 | |
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446 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... |
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447 | |
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448 | G4SandiaTable::G4SandiaTable(G4int matIndex) |
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449 | { |
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450 | fMatSandiaMatrix = 0 ; |
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451 | fMatSandiaMatrixPAI = 0; |
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452 | fPhotoAbsorptionCof = 0 ; |
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453 | |
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454 | const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable(); |
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455 | size_t numberOfMat = G4Material::GetNumberOfMaterials(); |
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456 | |
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457 | if ( matIndex >= 0 && matIndex < G4int(numberOfMat) ) |
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458 | { |
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459 | fMaterial = (*theMaterialTable)[matIndex]; |
---|
460 | } |
---|
461 | else |
---|
462 | { |
---|
463 | G4Exception("G4SandiaTable::G4SandiaTable(G4int matIndex): wrong matIndex "); |
---|
464 | } |
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465 | ComputeMatTable(); |
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466 | } |
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467 | |
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468 | /////////////////////////////////////////////////////////////////////// |
---|
469 | // |
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470 | // Bubble sorting of left energy interval in SandiaTable in ascening order |
---|
471 | // |
---|
472 | |
---|
473 | void |
---|
474 | G4SandiaTable::SandiaSort(G4double** da , |
---|
475 | G4int sz ) |
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476 | { |
---|
477 | for(G4int i = 1 ;i < sz ; i++ ) |
---|
478 | { |
---|
479 | for(G4int j = i + 1 ;j < sz ; j++ ) |
---|
480 | { |
---|
481 | if(da[i][0] > da[j][0]) |
---|
482 | { |
---|
483 | SandiaSwap(da,i,j) ; |
---|
484 | } |
---|
485 | } |
---|
486 | } |
---|
487 | } |
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488 | |
---|
489 | //////////////////////////////////////////////////////////////////////////// |
---|
490 | // |
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491 | // SandiaIntervals |
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492 | // |
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493 | |
---|
494 | G4int |
---|
495 | G4SandiaTable::SandiaIntervals(G4int Z[], |
---|
496 | G4int el ) |
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497 | { |
---|
498 | G4int c,i ; |
---|
499 | |
---|
500 | fMaxInterval = 0 ; |
---|
501 | |
---|
502 | for(i=0;i<el;i++) |
---|
503 | { |
---|
504 | fMaxInterval += fNbOfIntervals[Z[i]] ; |
---|
505 | } |
---|
506 | fMaxInterval += 2 ; |
---|
507 | |
---|
508 | // G4cout<<"fMaxInterval = "<<fMaxInterval<<G4endl ; |
---|
509 | |
---|
510 | fPhotoAbsorptionCof = new G4double* [fMaxInterval] ; |
---|
511 | |
---|
512 | for(i = 0 ; i < fMaxInterval ; i++) |
---|
513 | { |
---|
514 | fPhotoAbsorptionCof[i] = new G4double[5] ; |
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515 | } |
---|
516 | |
---|
517 | |
---|
518 | // for(c = 0 ; c < fIntervalLimit ; c++) // just in case |
---|
519 | |
---|
520 | for(c = 0 ; c < fMaxInterval ; c++) // just in case |
---|
521 | { |
---|
522 | fPhotoAbsorptionCof[c][0] = 0. ; |
---|
523 | } |
---|
524 | c = 1 ; |
---|
525 | for(i = 0 ; i < el ; i++) |
---|
526 | { |
---|
527 | G4double I1 = fIonizationPotentials[Z[i]]*keV ; // First ionization |
---|
528 | G4int n1 = 1 ; // potential in keV |
---|
529 | G4int j, c1, k1, k2 ; |
---|
530 | for(j = 1 ; j < Z[i] ; j++) |
---|
531 | { |
---|
532 | n1 += fNbOfIntervals[j] ; |
---|
533 | } |
---|
534 | G4int n2 = n1 + fNbOfIntervals[Z[i]] ; |
---|
535 | |
---|
536 | for(k1 = n1 ; k1 < n2 ; k1++) |
---|
537 | { |
---|
538 | if(I1 > fSandiaTable[k1][0]) |
---|
539 | { |
---|
540 | continue ; // no ionization for energies smaller than I1 (first |
---|
541 | } // ionisation potential) |
---|
542 | break ; |
---|
543 | } |
---|
544 | G4int flag = 0 ; |
---|
545 | |
---|
546 | for(c1 = 1 ; c1 < c ; c1++) |
---|
547 | { |
---|
548 | if(fPhotoAbsorptionCof[c1][0] == I1) // this value already has existed |
---|
549 | { |
---|
550 | flag = 1 ; |
---|
551 | break ; |
---|
552 | } |
---|
553 | } |
---|
554 | if(flag == 0) |
---|
555 | { |
---|
556 | fPhotoAbsorptionCof[c][0] = I1 ; |
---|
557 | c++ ; |
---|
558 | } |
---|
559 | for(k2 = k1 ; k2 < n2 ; k2++) |
---|
560 | { |
---|
561 | flag = 0 ; |
---|
562 | for(c1 = 1 ; c1 < c ; c1++) |
---|
563 | { |
---|
564 | if(fPhotoAbsorptionCof[c1][0] == fSandiaTable[k2][0]) |
---|
565 | { |
---|
566 | flag = 1 ; |
---|
567 | break ; |
---|
568 | } |
---|
569 | } |
---|
570 | if(flag == 0) |
---|
571 | { |
---|
572 | fPhotoAbsorptionCof[c][0] = fSandiaTable[k2][0] ; |
---|
573 | c++ ; |
---|
574 | } |
---|
575 | } |
---|
576 | } // end for(i) |
---|
577 | |
---|
578 | SandiaSort(fPhotoAbsorptionCof,c) ; |
---|
579 | fMaxInterval = c ; |
---|
580 | return c ; |
---|
581 | } |
---|
582 | |
---|
583 | /////////////////////////////////////////////////////////////////////// |
---|
584 | // |
---|
585 | // SandiaMixing |
---|
586 | // |
---|
587 | |
---|
588 | G4int |
---|
589 | G4SandiaTable::SandiaMixing( G4int Z[], |
---|
590 | const G4double fractionW[], |
---|
591 | G4int el, |
---|
592 | G4int mi ) |
---|
593 | { |
---|
594 | G4int i; |
---|
595 | |
---|
596 | for(i = 0 ; i < mi ; i++) |
---|
597 | { |
---|
598 | for(G4int j = 1 ; j < 5 ; j++) fPhotoAbsorptionCof[i][j] = 0. ; |
---|
599 | } |
---|
600 | for(i = 0 ; i < el ; i++) |
---|
601 | { |
---|
602 | G4int n1 = 1 ; |
---|
603 | G4int j, k ; |
---|
604 | G4double I1 = fIonizationPotentials[Z[i]]*keV ; |
---|
605 | for(j = 1 ; j < Z[i] ; j++) |
---|
606 | { |
---|
607 | n1 += fNbOfIntervals[j] ; |
---|
608 | } |
---|
609 | G4int n2 = n1 + fNbOfIntervals[Z[i]] - 1 ; |
---|
610 | |
---|
611 | for(k = n1 ; k < n2 ; k++) |
---|
612 | { |
---|
613 | G4double B1 = fSandiaTable[k][0] ; |
---|
614 | G4double B2 = fSandiaTable[k+1][0] ; |
---|
615 | for(G4int c = 1 ; c < mi-1 ; c++) |
---|
616 | { |
---|
617 | G4double E1 = fPhotoAbsorptionCof[c][0] ; |
---|
618 | G4double E2 = fPhotoAbsorptionCof[c+1][0] ; |
---|
619 | if(B1 > E1 || B2 < E2 || E1 < I1) |
---|
620 | { |
---|
621 | continue ; |
---|
622 | } |
---|
623 | for(j = 1 ; j < 5 ; j++) |
---|
624 | { |
---|
625 | fPhotoAbsorptionCof[c][j] += fSandiaTable[k][j]*fractionW[i] ; |
---|
626 | } |
---|
627 | } |
---|
628 | } |
---|
629 | for(j = 1 ; j < 5 ; j++) // Last interval |
---|
630 | { |
---|
631 | fPhotoAbsorptionCof[mi-1][j] += fSandiaTable[k][j]*fractionW[i] ; |
---|
632 | } |
---|
633 | } // for(i) |
---|
634 | G4int c = 0 ; // Deleting of first intervals where all coefficients = 0 |
---|
635 | do |
---|
636 | { |
---|
637 | c++ ; |
---|
638 | if( fPhotoAbsorptionCof[c][1] != 0.0 || |
---|
639 | fPhotoAbsorptionCof[c][2] != 0.0 || |
---|
640 | fPhotoAbsorptionCof[c][3] != 0.0 || |
---|
641 | fPhotoAbsorptionCof[c][4] != 0.0 ) |
---|
642 | { |
---|
643 | continue ; |
---|
644 | } |
---|
645 | for(G4int jj = 2 ; jj < mi ; jj++) |
---|
646 | { |
---|
647 | for(G4int kk = 0 ; kk < 5 ; kk++) |
---|
648 | { |
---|
649 | fPhotoAbsorptionCof[jj-1][kk]= fPhotoAbsorptionCof[jj][kk] ; |
---|
650 | } |
---|
651 | } |
---|
652 | mi-- ; |
---|
653 | c-- ; |
---|
654 | } |
---|
655 | while(c < mi - 1) ; |
---|
656 | |
---|
657 | return mi ; |
---|
658 | } |
---|
659 | |
---|
660 | //////////////////////////////////////////////////////////////////////////// |
---|
661 | // |
---|
662 | // Sandia interval and mixing calculations for materialCutsCouple constructor |
---|
663 | // |
---|
664 | |
---|
665 | void G4SandiaTable::ComputeMatTable() |
---|
666 | { |
---|
667 | G4int MaxIntervals = 0; |
---|
668 | G4int elm, c, i, j, jj, k, kk, k1, k2, c1, n1; |
---|
669 | |
---|
670 | const G4int noElm = fMaterial->GetNumberOfElements(); |
---|
671 | const G4ElementVector* ElementVector = fMaterial->GetElementVector(); |
---|
672 | G4int* Z = new G4int[noElm]; //Atomic number |
---|
673 | |
---|
674 | for (elm = 0; elm<noElm; elm++) |
---|
675 | { |
---|
676 | Z[elm] = (G4int)(*ElementVector)[elm]->GetZ(); |
---|
677 | MaxIntervals += fNbOfIntervals[Z[elm]]; |
---|
678 | } |
---|
679 | fMaxInterval = 0 ; |
---|
680 | |
---|
681 | for(i = 0; i < noElm; i++) fMaxInterval += fNbOfIntervals[Z[i]] ; |
---|
682 | |
---|
683 | fMaxInterval += 2 ; |
---|
684 | |
---|
685 | // G4cout<<"fMaxInterval = "<<fMaxInterval<<G4endl ; |
---|
686 | |
---|
687 | fPhotoAbsorptionCof = new G4double* [fMaxInterval] ; |
---|
688 | |
---|
689 | for(i = 0 ; i < fMaxInterval ; i++) |
---|
690 | { |
---|
691 | fPhotoAbsorptionCof[i] = new G4double[5] ; |
---|
692 | } |
---|
693 | |
---|
694 | // for(c = 0 ; c < fIntervalLimit ; c++) // just in case |
---|
695 | |
---|
696 | for(c = 0 ; c < fMaxInterval ; c++) // just in case |
---|
697 | { |
---|
698 | fPhotoAbsorptionCof[c][0] = 0. ; |
---|
699 | } |
---|
700 | c = 1 ; |
---|
701 | |
---|
702 | for(i = 0 ; i < noElm ; i++) |
---|
703 | { |
---|
704 | G4double I1 = fIonizationPotentials[Z[i]]*keV ; // First ionization |
---|
705 | n1 = 1 ; // potential in keV |
---|
706 | |
---|
707 | for(j = 1 ; j < Z[i] ; j++) |
---|
708 | { |
---|
709 | n1 += fNbOfIntervals[j] ; |
---|
710 | } |
---|
711 | G4int n2 = n1 + fNbOfIntervals[Z[i]] ; |
---|
712 | |
---|
713 | for(k1 = n1 ; k1 < n2 ; k1++) |
---|
714 | { |
---|
715 | if(I1 > fSandiaTable[k1][0]) |
---|
716 | { |
---|
717 | continue ; // no ionization for energies smaller than I1 (first |
---|
718 | } // ionisation potential) |
---|
719 | break ; |
---|
720 | } |
---|
721 | G4int flag = 0 ; |
---|
722 | |
---|
723 | for(c1 = 1 ; c1 < c ; c1++) |
---|
724 | { |
---|
725 | if(fPhotoAbsorptionCof[c1][0] == I1) // this value already has existed |
---|
726 | { |
---|
727 | flag = 1 ; |
---|
728 | break ; |
---|
729 | } |
---|
730 | } |
---|
731 | if(flag == 0) |
---|
732 | { |
---|
733 | fPhotoAbsorptionCof[c][0] = I1 ; |
---|
734 | c++ ; |
---|
735 | } |
---|
736 | for(k2 = k1 ; k2 < n2 ; k2++) |
---|
737 | { |
---|
738 | flag = 0 ; |
---|
739 | |
---|
740 | for(c1 = 1 ; c1 < c ; c1++) |
---|
741 | { |
---|
742 | if(fPhotoAbsorptionCof[c1][0] == fSandiaTable[k2][0]) |
---|
743 | { |
---|
744 | flag = 1 ; |
---|
745 | break ; |
---|
746 | } |
---|
747 | } |
---|
748 | if(flag == 0) |
---|
749 | { |
---|
750 | fPhotoAbsorptionCof[c][0] = fSandiaTable[k2][0] ; |
---|
751 | c++ ; |
---|
752 | } |
---|
753 | } |
---|
754 | } // end for(i) |
---|
755 | |
---|
756 | SandiaSort(fPhotoAbsorptionCof,c) ; |
---|
757 | fMaxInterval = c ; |
---|
758 | |
---|
759 | const G4double* fractionW = fMaterial->GetFractionVector(); |
---|
760 | |
---|
761 | for(i = 0 ; i < fMaxInterval ; i++) |
---|
762 | { |
---|
763 | for(j = 1 ; j < 5 ; j++) fPhotoAbsorptionCof[i][j] = 0.; |
---|
764 | } |
---|
765 | for(i = 0 ; i < noElm; i++) |
---|
766 | { |
---|
767 | n1 = 1 ; |
---|
768 | G4double I1 = fIonizationPotentials[Z[i]]*keV ; |
---|
769 | |
---|
770 | for(j = 1 ; j < Z[i] ; j++) |
---|
771 | { |
---|
772 | n1 += fNbOfIntervals[j] ; |
---|
773 | } |
---|
774 | G4int n2 = n1 + fNbOfIntervals[Z[i]] - 1 ; |
---|
775 | |
---|
776 | for(k = n1 ; k < n2 ; k++) |
---|
777 | { |
---|
778 | G4double B1 = fSandiaTable[k][0] ; |
---|
779 | G4double B2 = fSandiaTable[k+1][0] ; |
---|
780 | for(G4int c = 1 ; c < fMaxInterval-1 ; c++) |
---|
781 | { |
---|
782 | G4double E1 = fPhotoAbsorptionCof[c][0] ; |
---|
783 | G4double E2 = fPhotoAbsorptionCof[c+1][0] ; |
---|
784 | if(B1 > E1 || B2 < E2 || E1 < I1) |
---|
785 | { |
---|
786 | continue ; |
---|
787 | } |
---|
788 | for(j = 1 ; j < 5 ; j++) |
---|
789 | { |
---|
790 | fPhotoAbsorptionCof[c][j] += fSandiaTable[k][j]*fractionW[i] ; |
---|
791 | } |
---|
792 | } |
---|
793 | } |
---|
794 | for(j = 1 ; j < 5 ; j++) // Last interval |
---|
795 | { |
---|
796 | fPhotoAbsorptionCof[fMaxInterval-1][j] += fSandiaTable[k][j]*fractionW[i] ; |
---|
797 | } |
---|
798 | } // for(i) |
---|
799 | |
---|
800 | c = 0 ; // Deleting of first intervals where all coefficients = 0 |
---|
801 | |
---|
802 | do |
---|
803 | { |
---|
804 | c++ ; |
---|
805 | |
---|
806 | if( fPhotoAbsorptionCof[c][1] != 0.0 || |
---|
807 | fPhotoAbsorptionCof[c][2] != 0.0 || |
---|
808 | fPhotoAbsorptionCof[c][3] != 0.0 || |
---|
809 | fPhotoAbsorptionCof[c][4] != 0.0 ) continue ; |
---|
810 | |
---|
811 | for(jj = 2 ; jj < fMaxInterval ; jj++) |
---|
812 | { |
---|
813 | for(kk = 0 ; kk < 5 ; kk++) |
---|
814 | { |
---|
815 | fPhotoAbsorptionCof[jj-1][kk]= fPhotoAbsorptionCof[jj][kk] ; |
---|
816 | } |
---|
817 | } |
---|
818 | fMaxInterval-- ; |
---|
819 | c-- ; |
---|
820 | } |
---|
821 | while(c < fMaxInterval - 1) ; |
---|
822 | |
---|
823 | // create the sandia matrix for this material |
---|
824 | |
---|
825 | fMatSandiaMatrix = new G4OrderedTable(); |
---|
826 | |
---|
827 | for (i = 0; i < fMaxInterval; i++) |
---|
828 | { |
---|
829 | fMatSandiaMatrix->push_back(new G4DataVector(5,0.)); |
---|
830 | } |
---|
831 | for (i = 0; i < fMaxInterval; i++) |
---|
832 | { |
---|
833 | for(j = 0 ; j < 5 ; j++) |
---|
834 | { |
---|
835 | (*(*fMatSandiaMatrix)[i])[j] = fPhotoAbsorptionCof[i+1][j]; |
---|
836 | } |
---|
837 | } |
---|
838 | delete [] Z; |
---|
839 | return ; |
---|
840 | } |
---|
841 | |
---|
842 | // G4SandiaTable class -- end of implementation file |
---|
843 | // |
---|
844 | //////////////////////////////////////////////////////////////////////////// |
---|
845 | |
---|
846 | |
---|