1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | //$Id: G4OrlicLCrossSection.cc,v 1.6.2.2 2009/12/11 18:44:44 japost Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-03 $ |
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28 | // |
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29 | // Author: Haifa Ben Abdelouahed |
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30 | // |
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31 | // |
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32 | // History: |
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33 | // ----------- |
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34 | // 23 Apr 2008 H. Ben Abdelouahed 1st implementation |
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35 | // 28 Apr 2008 MGP Major revision according to a design iteration |
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36 | // |
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37 | // ------------------------------------------------------------------- |
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38 | // Class description: |
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39 | // Low Energy Electromagnetic Physics, Cross section, proton ionisation, L shell |
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40 | // Further documentation available from http://www.ge.infn.it/geant4/lowE |
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41 | // ------------------------------------------------------------------- |
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42 | |
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43 | |
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44 | #include "globals.hh" |
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45 | #include "G4OrlicLCrossSection.hh" |
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46 | #include "G4AtomicTransitionManager.hh" |
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47 | #include "G4Proton.hh" |
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48 | |
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49 | |
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50 | G4OrlicLCrossSection::G4OrlicLCrossSection() |
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51 | { } |
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52 | |
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53 | G4OrlicLCrossSection::~G4OrlicLCrossSection() |
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54 | { } |
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55 | |
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56 | //this L-CrossSection calculation method is done according to |
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57 | //I.ORLIC, C.H.SOW and S.M.TANG,International Journal of PIXE.Vol.4(1997) 217-230 |
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58 | |
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59 | |
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60 | //***************************************************************************************************************************************** |
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61 | |
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62 | G4double G4OrlicLCrossSection::CalculateL1CrossSection(G4int zTarget, G4double energyIncident) |
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63 | |
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64 | { |
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65 | |
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66 | G4AtomicTransitionManager* transitionManager = G4AtomicTransitionManager::Instance(); |
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67 | |
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68 | G4double massIncident; |
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69 | |
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70 | G4Proton* aProtone = G4Proton::Proton(); |
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71 | |
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72 | massIncident = aProtone->GetPDGMass(); |
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73 | |
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74 | G4double l1BindingEnergy = (transitionManager->Shell(zTarget,1)->BindingEnergy())/keV; |
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75 | |
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76 | G4double lamda = massIncident/electron_mass_c2; |
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77 | |
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78 | G4double normalizedEnergy = (energyIncident/keV)/(lamda*l1BindingEnergy); |
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79 | |
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80 | G4double x = std::log(normalizedEnergy); |
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81 | |
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82 | G4double a0 = 0.; |
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83 | G4double a1 = 0.; |
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84 | G4double a2 = 0.; |
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85 | G4double a3 = 0.; |
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86 | G4double a4 = 0.; |
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87 | G4double a5 = 0.; |
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88 | G4double a6 = 0.; |
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89 | G4double a7 = 0.; |
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90 | G4double a8 = 0.; |
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91 | G4double a9 = 0.; |
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92 | |
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93 | |
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94 | if ( zTarget>=14 && zTarget<=40) |
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95 | { |
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96 | a0=12.5081; |
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97 | a1=0.2177; |
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98 | a2=-0.3758; |
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99 | a3=0.0096; |
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100 | a4=0.0073; |
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101 | a5=0.0022; |
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102 | a6=0.; |
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103 | a7=0.; |
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104 | a8=0.; |
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105 | a9=0.; |
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106 | } |
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107 | else |
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108 | { |
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109 | if ( zTarget>=41 && zTarget<=50 ) |
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110 | { |
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111 | a0=11.274881; |
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112 | a1=-0.187401; |
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113 | a2=-0.943341; |
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114 | a3=-1.47817; |
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115 | a4=-1.282343; |
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116 | a5=-0.386544; |
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117 | a6=-0.037932; |
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118 | a7=0.; |
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119 | a8=0.; |
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120 | a9=0.; |
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121 | } |
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122 | |
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123 | else |
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124 | { |
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125 | if ( zTarget>=51 && zTarget<=60 ) |
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126 | { |
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127 | a0=11.242637; |
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128 | a1=-0.162515; |
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129 | a2=1.035774; |
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130 | a3=3.970908; |
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131 | a4=3.968233; |
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132 | a5=1.655714; |
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133 | a6=0.058885; |
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134 | a7=-0.155743; |
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135 | a8=-0.042228; |
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136 | a9=-0.003371; |
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137 | } |
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138 | |
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139 | else |
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140 | { |
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141 | if ( zTarget>=61 && zTarget<=70 ) |
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142 | { |
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143 | a0=6.476722; |
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144 | a1=-25.804787; |
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145 | a2=-54.061629; |
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146 | a3=-56.684589; |
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147 | a4=-33.223367; |
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148 | a5=-11.034979; |
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149 | a6=-2.042851; |
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150 | a7=-0.194075; |
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151 | a8=-0.007252; |
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152 | a9=0.; |
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153 | } |
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154 | else |
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155 | { |
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156 | if ( zTarget>=71 && zTarget<=80 ) |
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157 | { |
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158 | a0=12.776794; |
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159 | a1=6.562907; |
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160 | a2=10.158703; |
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161 | a3=7.432592; |
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162 | a4=2.332036; |
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163 | a5=0.317946; |
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164 | a6=0.014479; |
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165 | a7=0.; |
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166 | a8=0.; |
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167 | a9=0.; |
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168 | } |
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169 | else |
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170 | { |
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171 | if ( zTarget>=81 && zTarget<=92 ) |
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172 | { |
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173 | a0=28.243087; |
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174 | a1=50.199585; |
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175 | a2=58.281684; |
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176 | a3=34.130538; |
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177 | a4=10.268531; |
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178 | a5=1.525302; |
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179 | a6=0.08835; |
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180 | a7=0.; |
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181 | a8=0.; |
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182 | a9=0.; |
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183 | } |
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184 | else |
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185 | { |
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186 | G4cout << "ERREUR: L1 Cross-Section exist only for ZTarget between 14 and 92!!! " << G4endl; |
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187 | |
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188 | } |
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189 | } |
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190 | } |
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191 | } |
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192 | } |
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193 | } |
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194 | |
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195 | |
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196 | G4double analyticalFunction = a0 + (a1*x)+(a2*x*x)+(a3*std::pow(x,3))+(a4*std::pow(x,4))+(a5*std::pow(x,5))+(a6*std::pow(x,6))+ |
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197 | (a7*std::pow(x,7))+(a8*std::pow(x,8))+(a9*std::pow(x,9)); |
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198 | |
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199 | |
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200 | |
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201 | G4double L1crossSection = std::exp(analyticalFunction)/(l1BindingEnergy*l1BindingEnergy); |
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202 | |
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203 | return L1crossSection; |
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204 | } |
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205 | |
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206 | //***************************************************************************************************************************************** |
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207 | |
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208 | |
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209 | G4double G4OrlicLCrossSection::CalculateL2CrossSection(G4int zTarget, G4double energyIncident) |
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210 | |
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211 | { |
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212 | |
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213 | G4AtomicTransitionManager* transitionManager = G4AtomicTransitionManager::Instance(); |
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214 | |
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215 | G4double massIncident; |
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216 | |
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217 | |
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218 | G4Proton* aProtone = G4Proton::Proton(); |
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219 | |
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220 | massIncident = aProtone->GetPDGMass(); |
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221 | |
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222 | G4double L2crossSection; |
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223 | |
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224 | if (zTarget<41) |
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225 | { |
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226 | L2crossSection =0.; |
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227 | } |
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228 | else |
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229 | { |
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230 | |
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231 | G4double l2BindingEnergy = (transitionManager->Shell(zTarget,2)->BindingEnergy())/keV; |
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232 | |
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233 | G4double lamda = massIncident/electron_mass_c2; |
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234 | |
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235 | G4double normalizedEnergy = (energyIncident/keV)/(lamda*l2BindingEnergy); |
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236 | |
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237 | G4double x = std::log(normalizedEnergy); |
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238 | |
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239 | G4double a0 = 0.; |
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240 | G4double a1 = 0.; |
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241 | G4double a2 = 0.; |
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242 | G4double a3 = 0.; |
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243 | G4double a4 = 0.; |
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244 | G4double a5 = 0.; |
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245 | |
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246 | if ( zTarget>=41 && zTarget<=50 ) |
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247 | { |
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248 | a0=11.194798; |
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249 | a1=0.178807; |
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250 | a2=-0.449865; |
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251 | a3=-0.063528; |
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252 | a4=-0.015364; |
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253 | a5=0.; |
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254 | } |
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255 | |
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256 | else |
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257 | { |
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258 | if ( zTarget>=51 && zTarget<=60 ) |
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259 | { |
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260 | a0=11.241409; |
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261 | a1=0.149635; |
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262 | a2=-0.633269; |
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263 | a3=-0.17834; |
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264 | a4=-0.034743; |
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265 | a5=0.006474; |
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266 | |
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267 | } |
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268 | |
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269 | else |
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270 | { |
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271 | if ( zTarget>=61 && zTarget<=70 ) |
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272 | { |
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273 | a0=11.247424; |
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274 | a1=0.203051; |
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275 | a2=-0.219083; |
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276 | a3=0.164514; |
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277 | a4=0.058692; |
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278 | a5=0.007866; |
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279 | } |
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280 | else |
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281 | { |
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282 | if ( zTarget>=71 && zTarget<=80 ) |
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283 | { |
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284 | a0=11.229924; |
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285 | a1=-0.087241; |
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286 | a2=-0.753908; |
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287 | a3=-0.181546; |
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288 | a4=-0.030406; |
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289 | a5=0.; |
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290 | } |
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291 | else |
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292 | { |
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293 | if ( zTarget>=81 && zTarget<=92 ) |
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294 | { |
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295 | a0=11.586671; |
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296 | a1=0.730838; |
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297 | a2=-0.056713; |
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298 | a3=0.053262; |
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299 | a4=-0.003672; |
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300 | a5=0.; |
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301 | } |
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302 | else |
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303 | { |
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304 | G4cout << "ERREUR: L2 Cross-Section exist only for ZTarget between 14 and 92!!! " << G4endl; |
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305 | |
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306 | } |
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307 | } |
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308 | } |
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309 | } |
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310 | } |
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311 | |
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312 | |
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313 | G4double analyticalFunction = a0 + (a1*x)+(a2*x*x)+(a3*std::pow(x,3))+(a4*std::pow(x,4))+(a5*std::pow(x,5)); |
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314 | |
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315 | |
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316 | L2crossSection = std::exp(analyticalFunction)/(l2BindingEnergy*l2BindingEnergy); |
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317 | |
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318 | } |
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319 | |
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320 | return L2crossSection; |
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321 | } |
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322 | |
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323 | //***************************************************************************************************************************************** |
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324 | |
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325 | |
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326 | G4double G4OrlicLCrossSection::CalculateL3CrossSection(G4int zTarget, G4double energyIncident) |
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327 | |
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328 | { |
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329 | |
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330 | G4AtomicTransitionManager* transitionManager = G4AtomicTransitionManager::Instance(); |
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331 | |
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332 | G4double massIncident; |
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333 | |
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334 | |
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335 | G4Proton* aProtone = G4Proton::Proton(); |
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336 | |
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337 | massIncident = aProtone->GetPDGMass(); |
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338 | |
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339 | |
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340 | G4double L3crossSection; |
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341 | |
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342 | if (zTarget<41) |
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343 | { |
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344 | L3crossSection =0.; |
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345 | } |
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346 | else |
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347 | { |
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348 | |
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349 | G4double l3BindingEnergy = (transitionManager->Shell(zTarget,3)->BindingEnergy())/keV; |
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350 | |
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351 | |
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352 | G4double lamda = massIncident/electron_mass_c2; |
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353 | |
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354 | G4double normalizedEnergy = (energyIncident/keV)/(lamda*l3BindingEnergy); |
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355 | |
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356 | G4double x = std::log(normalizedEnergy); |
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357 | |
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358 | |
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359 | G4double a0 = 0.; |
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360 | G4double a1 = 0.; |
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361 | G4double a2 = 0.; |
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362 | G4double a3 = 0.; |
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363 | G4double a4 = 0.; |
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364 | |
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365 | if ( zTarget>=41 && zTarget<=50 ) |
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366 | { |
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367 | a0=11.91837; |
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368 | a1=0.03064; |
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369 | a2=-0.657644; |
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370 | a3=-0.14532; |
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371 | a4=-0.026059; |
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372 | } |
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373 | |
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374 | else |
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375 | { |
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376 | if ( zTarget>=51 && zTarget<=60 ) |
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377 | { |
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378 | a0=11.909485; |
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379 | a1=0.15918; |
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380 | a2=-0.588004; |
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381 | a3=-0.159466; |
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382 | a4=-0.033184; |
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383 | } |
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384 | |
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385 | else |
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386 | { |
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387 | if ( zTarget>=61 && zTarget<=70 ) |
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388 | { |
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389 | a0=11.878472; |
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390 | a1=-0.137007; |
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391 | a2=-0.959475; |
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392 | a3=-0.316505; |
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393 | a4=-0.054154; |
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394 | } |
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395 | else |
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396 | { |
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397 | if ( zTarget>=71 && zTarget<=80 ) |
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398 | { |
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399 | a0=11.802538; |
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400 | a1=-0.371796; |
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401 | a2=-1.052238; |
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402 | a3=-0.28766; |
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403 | a4=-0.042608; |
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404 | } |
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405 | else |
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406 | { |
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407 | if ( zTarget>=81 && zTarget<=92 ) |
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408 | { |
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409 | a0=11.423712; |
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410 | a1=-1.428823; |
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411 | a2=-1.946979; |
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412 | a3=-0.585198; |
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413 | a4=-0.076467; |
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414 | } |
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415 | else |
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416 | { |
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417 | G4cout << "ERREUR: L3 Cross-Section exist only for ZTarget between 14 and 92!!! " << G4endl; |
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418 | |
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419 | } |
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420 | } |
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421 | } |
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422 | } |
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423 | } |
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424 | |
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425 | |
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426 | G4double analyticalFunction = a0 + (a1*x)+(a2*x*x)+(a3*std::pow(x,3))+(a4*std::pow(x,4)); |
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427 | |
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428 | |
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429 | L3crossSection = std::exp(analyticalFunction)/(l3BindingEnergy*l3BindingEnergy); |
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430 | |
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431 | } |
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432 | |
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433 | return L3crossSection; |
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434 | } |
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