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: G4ContinuousGainOfEnergy.hh,v 1.4 2009/11/20 10:31:20 ldesorgh Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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28 | // |
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29 | ///////////////////////////////////////////////////////////////////////////////// |
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30 | // Class: G4ContinuousGainOfEnergy |
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31 | // Author: L. Desorgher |
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32 | // Organisation: SpaceIT GmbH |
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33 | // Contract: ESA contract 21435/08/NL/AT |
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34 | // Customer: ESA/ESTEC |
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35 | ///////////////////////////////////////////////////////////////////////////////// |
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36 | // |
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37 | // CHANGE HISTORY |
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38 | // -------------- |
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39 | // ChangeHistory: |
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40 | // -10 May 2007 creation by L. Desorgher |
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41 | // -February-March 2009 Update for protons by L.Desorgher |
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42 | // -July August 2009 Update for ion by L.Desorgher |
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43 | // |
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44 | //------------------------------------------------------------- |
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45 | // Documentation: |
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46 | // Continuous process acting on adjoint particles to compute the continuous gain of energy of charged particles when they are tracked back! |
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47 | // |
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48 | // |
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49 | #ifndef G4ContinuousGainOfEnergy_h |
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50 | #define G4ContinuousGainOfEnergy_h 1 |
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51 | |
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52 | #include "G4VContinuousProcess.hh" |
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53 | #include "globals.hh" |
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54 | #include "G4Material.hh" |
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55 | #include "G4MaterialCutsCouple.hh" |
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56 | #include "G4Track.hh" |
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57 | #include "G4UnitsTable.hh" |
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58 | #include "G4ParticleChange.hh" |
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59 | #include "G4VEnergyLossProcess.hh" |
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60 | #include "G4ProductionCutsTable.hh" |
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61 | |
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62 | |
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63 | class G4Step; |
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64 | class G4ParticleDefinition; |
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65 | class G4VEmModel; |
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66 | class G4VEmFluctuationModel; |
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67 | |
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68 | |
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69 | |
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70 | class G4ContinuousGainOfEnergy : public G4VContinuousProcess |
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71 | { |
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72 | public: |
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73 | |
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74 | G4ContinuousGainOfEnergy(const G4String& name = "EnergyGain", |
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75 | G4ProcessType type = fElectromagnetic); |
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76 | |
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77 | virtual ~G4ContinuousGainOfEnergy(); |
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78 | |
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79 | |
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80 | protected: |
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81 | |
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82 | |
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83 | //------------------------------------------------------------------------ |
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84 | // Methods with standard implementation; may be overwritten if needed |
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85 | //------------------------------------------------------------------------ |
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86 | protected: |
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87 | |
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88 | |
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89 | virtual G4double GetContinuousStepLimit(const G4Track& track, |
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90 | G4double previousStepSize, |
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91 | G4double currentMinimumStep, |
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92 | G4double& currentSafety); |
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93 | |
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94 | |
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95 | //------------------------------------------------------------------------ |
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96 | // Generic methods common to all processes |
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97 | //------------------------------------------------------------------------ |
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98 | public: |
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99 | |
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100 | |
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101 | |
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102 | void PreparePhysicsTable(const G4ParticleDefinition&); |
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103 | |
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104 | void BuildPhysicsTable(const G4ParticleDefinition&); |
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105 | |
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106 | |
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107 | G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&); |
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108 | |
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109 | |
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110 | void SetLossFluctuations(G4bool val); |
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111 | inline void SetIsIntegral(G4bool val){is_integral= val;} |
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112 | |
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113 | inline void SetDirectEnergyLossProcess(G4VEnergyLossProcess* aProcess){theDirectEnergyLossProcess=aProcess;}; |
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114 | |
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115 | void SetDirectParticle(G4ParticleDefinition* p); |
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116 | |
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117 | protected: |
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118 | |
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119 | |
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120 | |
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121 | |
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122 | private: |
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123 | |
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124 | void DefineMaterial(const G4MaterialCutsCouple* couple); |
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125 | void SetDynamicMassCharge(const G4Track& track, G4double energy); |
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126 | |
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127 | |
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128 | // hide assignment operator |
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129 | |
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130 | G4ContinuousGainOfEnergy(G4ContinuousGainOfEnergy &); |
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131 | G4ContinuousGainOfEnergy & operator=(const G4ContinuousGainOfEnergy &right); |
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132 | |
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133 | |
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134 | private: |
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135 | |
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136 | const G4Material* currentMaterial; |
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137 | const G4MaterialCutsCouple* currentCouple; |
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138 | size_t currentMaterialIndex; |
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139 | size_t currentCoupleIndex; |
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140 | G4double currentTcut; |
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141 | G4double currentCutInRange; |
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142 | G4double preStepKinEnergy; |
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143 | |
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144 | |
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145 | |
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146 | G4double linLossLimit; |
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147 | G4bool lossFluctuationFlag; |
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148 | G4bool lossFluctuationArePossible; |
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149 | |
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150 | G4VEnergyLossProcess* theDirectEnergyLossProcess; |
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151 | G4ParticleDefinition* theDirectPartDef; |
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152 | |
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153 | |
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154 | G4bool is_integral; |
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155 | |
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156 | //adding for Ions |
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157 | //---------------- |
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158 | G4bool IsIon; |
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159 | G4double massRatio; |
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160 | G4double chargeSqRatio; |
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161 | G4VEmModel* currentModel; |
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162 | G4double preStepChargeSqRatio; |
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163 | G4double preStepScaledKinEnergy; |
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164 | |
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165 | |
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166 | |
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167 | |
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168 | |
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169 | }; |
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170 | |
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171 | /////////////////////////////////////////////////////// |
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172 | // |
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173 | inline void G4ContinuousGainOfEnergy::DefineMaterial( |
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174 | const G4MaterialCutsCouple* couple) |
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175 | { |
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176 | if(couple != currentCouple) { |
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177 | currentCouple = couple; |
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178 | currentMaterial = couple->GetMaterial(); |
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179 | currentCoupleIndex = couple->GetIndex(); |
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180 | currentMaterialIndex = currentMaterial->GetIndex(); |
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181 | |
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182 | size_t idx=1; |
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183 | const std::vector<G4double>* aVec = G4ProductionCutsTable::GetProductionCutsTable()->GetEnergyCutsVector(idx); |
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184 | currentTcut=(*aVec)[currentCoupleIndex]; |
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185 | currentCutInRange = couple->GetProductionCuts()->GetProductionCut(theDirectPartDef->GetParticleName()); |
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186 | //G4cout<<"Define Material"<<G4endl; |
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187 | //if(!meanFreePath) ResetNumberOfInteractionLengthLeft(); |
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188 | } |
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189 | } |
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190 | |
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191 | #endif |
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