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 | |
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28 | #include "G4Types.hh" |
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29 | |
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30 | #include <fstream> |
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31 | #include <sstream> |
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32 | #include <stdlib.h> |
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33 | #include "G4HadronicProcess.hh" |
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34 | // #include "G4EffectiveCharge.hh" |
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35 | #include "G4HadProjectile.hh" |
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36 | #include "G4ElementVector.hh" |
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37 | #include "G4Track.hh" |
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38 | #include "G4Step.hh" |
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39 | #include "G4Element.hh" |
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40 | #include "G4ParticleChange.hh" |
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41 | #include "G4TransportationManager.hh" |
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42 | #include "G4Navigator.hh" |
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43 | #include "G4ProcessVector.hh" |
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44 | #include "G4ProcessManager.hh" |
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45 | #include "G4StableIsotopes.hh" |
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46 | #include "G4HadTmpUtil.hh" |
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47 | |
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48 | #include "G4HadLeadBias.hh" |
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49 | #include "G4HadronicException.hh" |
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50 | #include "G4HadReentrentException.hh" |
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51 | #include "G4HadronicInteractionWrapper.hh" |
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52 | |
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53 | #include "G4HadSignalHandler.hh" |
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54 | |
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55 | #include <typeinfo> |
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56 | |
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57 | namespace G4HadronicProcess_local |
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58 | { |
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59 | extern "C" void G4HadronicProcessHandler_1(int) |
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60 | { |
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61 | G4HadronicWhiteBoard::Instance().Dump(); |
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62 | } |
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63 | } |
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64 | |
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65 | G4IsoParticleChange * G4HadronicProcess::theIsoResult = 0; |
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66 | G4IsoParticleChange * G4HadronicProcess::theOldIsoResult = 0; |
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67 | G4bool G4HadronicProcess::isoIsEnabled = true; |
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68 | |
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69 | void G4HadronicProcess:: |
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70 | EnableIsotopeProductionGlobally() {isoIsEnabled = true;} |
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71 | |
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72 | void G4HadronicProcess:: |
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73 | DisableIsotopeProductionGlobally() {isoIsEnabled = false;} |
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74 | |
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75 | G4HadronicProcess::G4HadronicProcess( const G4String &processName, |
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76 | G4ProcessType aType ) : |
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77 | G4VDiscreteProcess( processName, aType) |
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78 | { |
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79 | ModelingState = 0; |
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80 | isoIsOnAnyway = -1; |
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81 | theTotalResult = new G4ParticleChange(); |
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82 | theCrossSectionDataStore = new G4CrossSectionDataStore(); |
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83 | aScaleFactor = 1; |
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84 | xBiasOn = false; |
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85 | if(getenv("SwitchLeadBiasOn")) theBias.push_back(new G4HadLeadBias()); |
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86 | } |
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87 | |
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88 | G4HadronicProcess::~G4HadronicProcess() |
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89 | { |
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90 | delete theTotalResult; |
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91 | |
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92 | std::for_each(theProductionModels.begin(), |
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93 | theProductionModels.end(), G4Delete()); |
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94 | std::for_each(theBias.begin(), theBias.end(), G4Delete()); |
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95 | |
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96 | delete theOldIsoResult; delete theIsoResult; |
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97 | delete theCrossSectionDataStore; |
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98 | } |
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99 | |
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100 | void G4HadronicProcess::RegisterMe( G4HadronicInteraction *a ) |
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101 | { |
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102 | try{GetManagerPointer()->RegisterMe( a );} |
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103 | catch(G4HadronicException & aE) |
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104 | { |
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105 | aE.Report(std::cout); |
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106 | G4Exception("G4HadronicProcess", "007", FatalException, |
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107 | "Could not register G4HadronicInteraction"); |
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108 | } |
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109 | } |
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110 | |
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111 | G4double G4HadronicProcess:: |
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112 | GetMeanFreePath(const G4Track &aTrack, G4double, G4ForceCondition *) |
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113 | { |
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114 | G4double sigma = 0.0; |
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115 | try |
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116 | { |
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117 | const G4DynamicParticle *aParticle = aTrack.GetDynamicParticle(); |
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118 | if( !IsApplicable(*aParticle->GetDefinition())) |
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119 | { |
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120 | G4cout << "Unrecoverable error: "<<G4endl; |
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121 | G4ProcessManager * it = aParticle->GetDefinition()->GetProcessManager(); |
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122 | G4ProcessVector * itv = it->GetProcessList(); |
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123 | G4cout <<aParticle->GetDefinition()->GetParticleName()<< |
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124 | " has the following processes:"<<G4endl; |
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125 | for(G4int i=0; i<itv->size(); i++) |
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126 | { |
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127 | G4cout <<" "<<(*itv)[i]->GetProcessName()<<G4endl; |
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128 | } |
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129 | G4cout << "for kinetic energy "<<aParticle->GetKineticEnergy()<<G4endl; |
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130 | G4cout << "and material "<<aTrack.GetMaterial()->GetName()<<G4endl; |
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131 | G4Exception("G4HadronicProcess", "007", FatalException, |
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132 | std::string(this->GetProcessName()+ |
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133 | " was called for "+ |
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134 | aParticle->GetDefinition()->GetParticleName()).c_str() ); |
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135 | } |
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136 | G4Material *aMaterial = aTrack.GetMaterial(); |
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137 | ModelingState = 1; |
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138 | |
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139 | sigma = theCrossSectionDataStore->GetCrossSection(aParticle, aMaterial); |
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140 | |
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141 | sigma *= aScaleFactor; |
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142 | theLastCrossSection = sigma; |
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143 | } |
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144 | catch(G4HadronicException aR) |
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145 | { |
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146 | aR.Report(G4cout); |
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147 | G4Exception("G4HadronicProcess", "007", FatalException, |
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148 | "G4HadronicProcess::GetMeanFreePath failed"); |
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149 | } |
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150 | if( sigma > 0.0 ) |
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151 | return 1.0/sigma; |
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152 | else |
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153 | return DBL_MAX; |
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154 | } |
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155 | |
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156 | |
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157 | G4Element* G4HadronicProcess::ChooseAandZ( |
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158 | const G4DynamicParticle *aParticle, const G4Material *aMaterial ) |
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159 | { |
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160 | std::pair<G4double, G4double> ZA = |
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161 | theCrossSectionDataStore->SelectRandomIsotope(aParticle, aMaterial); |
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162 | G4double ZZ = ZA.first; |
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163 | G4double AA = ZA.second; |
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164 | |
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165 | targetNucleus.SetParameters(AA, ZZ); |
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166 | |
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167 | const G4int numberOfElements = aMaterial->GetNumberOfElements(); |
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168 | const G4ElementVector* theElementVector = aMaterial->GetElementVector(); |
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169 | G4Element* chosen = 0; |
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170 | for (G4int i = 0; i < numberOfElements; i++) { |
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171 | chosen = (*theElementVector)[i]; |
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172 | if (chosen->GetZ() == ZZ) break; |
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173 | } |
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174 | return chosen; |
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175 | } |
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176 | |
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177 | |
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178 | struct G4Nancheck{ bool operator()(G4double aV){return (!(aV<1))&&(!(aV>-1));}}; |
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179 | |
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180 | G4VParticleChange *G4HadronicProcess::GeneralPostStepDoIt( |
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181 | const G4Track &aTrack, const G4Step &) |
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182 | { |
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183 | // Debugging stuff |
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184 | |
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185 | bool G4HadronicProcess_debug_flag = false; |
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186 | if(getenv("G4HadronicProcess_debug")) G4HadronicProcess_debug_flag = true; |
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187 | if(G4HadronicProcess_debug_flag) |
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188 | std::cout << "@@@@ hadronic process start "<< std::endl; |
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189 | // G4cout << theNumberOfInteractionLengthLeft<<G4endl; |
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190 | #ifndef G4HadSignalHandler_off |
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191 | G4HadSignalHandler aHandler(G4HadronicProcess_local::G4HadronicProcessHandler_1); |
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192 | #endif |
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193 | |
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194 | if(aTrack.GetTrackStatus() != fAlive && aTrack.GetTrackStatus() != fSuspend) |
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195 | { |
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196 | G4cerr << "G4HadronicProcess: track in unusable state - " |
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197 | <<aTrack.GetTrackStatus()<<G4endl; |
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198 | G4cerr << "G4HadronicProcess: returning unchanged track "<<G4endl; |
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199 | G4Exception("G4HadronicProcess", "001", JustWarning, "bailing out"); |
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200 | theTotalResult->Clear(); |
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201 | theTotalResult->Initialize(aTrack); |
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202 | return theTotalResult; |
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203 | } |
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204 | |
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205 | const G4DynamicParticle *aParticle = aTrack.GetDynamicParticle(); |
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206 | G4Material *aMaterial = aTrack.GetMaterial(); |
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207 | G4double originalEnergy = aParticle->GetKineticEnergy(); |
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208 | G4double kineticEnergy = originalEnergy; |
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209 | |
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210 | // More debugging |
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211 | |
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212 | G4Nancheck go_wild; |
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213 | if(go_wild(originalEnergy) || |
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214 | go_wild(aParticle->Get4Momentum().x()) || |
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215 | go_wild(aParticle->Get4Momentum().y()) || |
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216 | go_wild(aParticle->Get4Momentum().z()) || |
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217 | go_wild(aParticle->Get4Momentum().t()) |
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218 | ) |
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219 | { |
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220 | G4Exception("G4HadronicProcess", "001", JustWarning, "NaN in input energy or momentum - bailing out."); |
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221 | theTotalResult->Clear(); |
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222 | theTotalResult->Initialize(aTrack); |
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223 | return theTotalResult; |
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224 | } |
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225 | |
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226 | // Get kinetic energy per nucleon for ions |
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227 | |
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228 | if(aParticle->GetDefinition()->GetBaryonNumber() > 1.5) |
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229 | kineticEnergy/=aParticle->GetDefinition()->GetBaryonNumber(); |
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230 | |
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231 | G4Element* anElement = 0; |
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232 | try |
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233 | { |
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234 | anElement = ChooseAandZ( aParticle, aMaterial ); |
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235 | } |
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236 | catch(G4HadronicException & aR) |
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237 | { |
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238 | aR.Report(G4cout); |
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239 | G4cout << "Unrecoverable error for:"<<G4endl; |
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240 | G4cout << " - Particle energy[GeV] = "<< originalEnergy/GeV<<G4endl; |
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241 | G4cout << " - Material = "<<aMaterial->GetName()<<G4endl; |
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242 | G4cout << " - Particle type = " |
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243 | <<aParticle->GetDefinition()->GetParticleName()<<G4endl; |
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244 | G4Exception("G4HadronicProcess", "007", FatalException, |
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245 | "GeneralPostStepDoIt failed on element selection."); |
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246 | } |
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247 | |
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248 | try |
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249 | { |
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250 | theInteraction = ChooseHadronicInteraction( kineticEnergy, |
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251 | aMaterial, anElement ); |
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252 | } |
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253 | catch(G4HadronicException & aE) |
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254 | { |
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255 | aE.Report(std::cout); |
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256 | G4cout << "Unrecoverable error for:"<<G4endl; |
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257 | G4cout << " - Particle energy[GeV] = "<< originalEnergy/GeV<<G4endl; |
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258 | G4cout << " - Material = "<<aMaterial->GetName()<<G4endl; |
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259 | G4cout << " - Particle type = " |
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260 | << aParticle->GetDefinition()->GetParticleName()<<G4endl; |
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261 | G4Exception("G4HadronicProcess", "007", FatalException, |
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262 | "ChooseHadronicInteraction failed."); |
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263 | } |
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264 | |
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265 | // Initialize the hadronic projectile from the track |
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266 | |
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267 | G4HadProjectile thePro(aTrack); |
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268 | |
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269 | G4HadFinalState* result = 0; |
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270 | G4int reentryCount = 0; |
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271 | |
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272 | do |
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273 | { |
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274 | try |
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275 | { |
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276 | // Call the interaction |
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277 | |
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278 | G4HadronicInteractionWrapper aW; |
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279 | result = aW.ApplyInteraction(thePro, targetNucleus, theInteraction, |
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280 | GetProcessName(), |
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281 | theInteraction->GetModelName()); |
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282 | } |
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283 | catch(G4HadReentrentException aR) |
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284 | { |
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285 | aR.Report(G4cout); |
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286 | G4cout << " G4HadronicProcess re-entering the ApplyYourself call for " |
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287 | <<G4endl; |
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288 | G4cout << " - Particle energy[GeV] = "<< originalEnergy/GeV<<G4endl; |
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289 | G4cout << " - Material = "<<aMaterial->GetName()<<G4endl; |
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290 | G4cout << " - Particle type = " |
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291 | << aParticle->GetDefinition()->GetParticleName() << G4endl; |
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292 | result = 0; // here would still be leaking... |
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293 | if(reentryCount>100) |
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294 | { |
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295 | G4Exception("G4HadronicProcess", "007", FatalException, |
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296 | "GetHadronicProcess: Reentering ApplyYourself too often - GeneralPostStepDoIt failed."); |
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297 | } |
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298 | G4Exception("G4HadronicProcess", "007", FatalException, |
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299 | "GetHadronicProcess: GeneralPostStepDoIt failed (Reentering ApplyYourself not yet supported.)"); |
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300 | } |
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301 | catch(G4HadronicException aR) |
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302 | { |
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303 | aR.Report(G4cout); |
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304 | G4cout << " G4HadronicProcess failed in ApplyYourself call for" |
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305 | << G4endl; |
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306 | G4cout << " - Particle energy[GeV] = "<< originalEnergy/GeV<<G4endl; |
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307 | G4cout << " - Material = "<<aMaterial->GetName()<<G4endl; |
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308 | G4cout << " - Particle type = " |
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309 | << aParticle->GetDefinition()->GetParticleName() << G4endl; |
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310 | G4Exception("G4HadronicProcess", "007", FatalException, |
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311 | "GeneralPostStepDoIt failed."); |
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312 | } |
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313 | } |
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314 | while(!result); |
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315 | |
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316 | if(!ModelingState && !getenv("BypassAllSafetyChecks") ) |
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317 | { |
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318 | G4cout << "ERROR IN EXECUTION -- HADRONIC PROCESS STATE NOT VALID"<<G4endl; |
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319 | G4cout << "Result will be of undefined quality."<<G4endl; |
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320 | } |
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321 | |
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322 | // NOT USED ?? Projectile particle has changed character during interaction |
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323 | if(result->GetStatusChange() == isAlive && |
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324 | thePro.GetDefinition() != aTrack.GetDefinition()) |
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325 | { |
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326 | G4DynamicParticle * aP = |
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327 | const_cast<G4DynamicParticle *>(aTrack.GetDynamicParticle()); |
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328 | aP->SetDefinition(const_cast<G4ParticleDefinition *>(thePro.GetDefinition())); |
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329 | } |
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330 | |
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331 | result->SetTrafoToLab(thePro.GetTrafoToLab()); |
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332 | |
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333 | /* |
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334 | // Loop over charged ion secondaries |
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335 | |
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336 | for(G4int i=0; i<result->GetNumberOfSecondaries(); i++) |
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337 | { |
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338 | G4DynamicParticle* aSecTrack = result->GetSecondary(i)->GetParticle(); |
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339 | if(aSecTrack->GetDefinition()->GetPDGCharge()>1.5) |
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340 | { |
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341 | G4EffectiveCharge aCalculator; |
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342 | G4double charge = |
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343 | aCalculator.GetCharge(aMaterial, aSecTrack->GetKineticEnergy(), |
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344 | aSecTrack->GetDefinition()->GetPDGMass(), |
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345 | aSecTrack->GetDefinition()->GetPDGCharge()); |
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346 | if(getenv("GHADChargeDebug")) |
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347 | { |
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348 | std::cout << "Recoil fractional charge is " |
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349 | << charge/aSecTrack->GetDefinition()->GetPDGCharge()<<" " |
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350 | << charge <<" "<<aSecTrack->GetDefinition()->GetPDGCharge()<<std::endl; |
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351 | } |
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352 | aSecTrack->SetCharge(charge); |
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353 | } |
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354 | } |
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355 | */ |
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356 | |
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357 | if(getenv("HadronicDoitLogging") ) |
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358 | { |
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359 | G4cout << "HadronicDoitLogging " |
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360 | << GetProcessName() <<" " |
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361 | << aParticle->GetDefinition()->GetPDGEncoding()<<" " |
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362 | << originalEnergy<<" " |
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363 | << aParticle->GetMomentum()<<" " |
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364 | << targetNucleus.GetN()<<" " |
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365 | << targetNucleus.GetZ()<<" " |
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366 | << G4endl; |
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367 | } |
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368 | |
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369 | ClearNumberOfInteractionLengthLeft(); |
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370 | if(isoIsOnAnyway!=-1) |
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371 | { |
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372 | if(isoIsEnabled||isoIsOnAnyway) |
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373 | { |
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374 | result = DoIsotopeCounting(result, aTrack, targetNucleus); |
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375 | } |
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376 | } |
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377 | |
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378 | G4double e=aTrack.GetKineticEnergy(); |
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379 | ModelingState = 0; |
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380 | if(e<5*GeV) |
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381 | { |
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382 | for(size_t i=0; i<theBias.size(); i++) |
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383 | { |
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384 | result = theBias[i]->Bias(result); |
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385 | } |
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386 | } |
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387 | |
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388 | // Put hadronic final state particles into G4ParticleChange |
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389 | |
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390 | FillTotalResult(result, aTrack); |
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391 | if(G4HadronicProcess_debug_flag) |
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392 | std::cout << "@@@@ hadronic process end "<< std::endl; |
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393 | |
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394 | return theTotalResult; |
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395 | } |
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396 | |
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397 | |
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398 | G4HadFinalState* |
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399 | G4HadronicProcess::DoIsotopeCounting(G4HadFinalState * aResult, |
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400 | const G4Track & aTrack, |
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401 | const G4Nucleus & aNucleus) |
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402 | { |
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403 | // get the PC from iso-production |
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404 | delete theOldIsoResult; |
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405 | theOldIsoResult = 0; |
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406 | delete theIsoResult; |
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407 | theIsoResult = new G4IsoParticleChange; |
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408 | G4bool done = false; |
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409 | G4IsoResult * anIsoResult = 0; |
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410 | for(unsigned int i=0; i<theProductionModels.size(); i++) |
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411 | { |
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412 | anIsoResult = theProductionModels[i]->GetIsotope(aTrack, aNucleus); |
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413 | if(anIsoResult!=0) |
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414 | { |
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415 | done = true; |
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416 | break; |
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417 | } |
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418 | } |
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419 | |
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420 | // If no production models active, use default iso production |
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421 | if(!done) anIsoResult = ExtractResidualNucleus(aTrack, aNucleus, aResult); |
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422 | |
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423 | // Add all info explicitely and add typename from model called. |
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424 | theIsoResult->SetIsotope(anIsoResult->GetIsotope()); |
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425 | theIsoResult->SetProductionPosition(aTrack.GetPosition()); |
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426 | theIsoResult->SetProductionTime(aTrack.GetGlobalTime()); |
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427 | theIsoResult->SetParentParticle(*aTrack.GetDynamicParticle()); |
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428 | theIsoResult->SetMotherNucleus(anIsoResult->GetMotherNucleus()); |
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429 | theIsoResult->SetProducer(typeid(*theInteraction).name()); |
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430 | |
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431 | delete anIsoResult; |
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432 | |
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433 | // If isotope production is enabled the GetIsotopeProductionInfo() |
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434 | // method must be called or else a memory leak will result |
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435 | // |
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436 | // The following code will fix the memory leak, but remove the |
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437 | // isotope information: |
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438 | // |
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439 | // if(theIsoResult) { |
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440 | // delete theIsoResult; |
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441 | // theIsoResult = 0; |
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442 | // } |
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443 | |
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444 | return aResult; |
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445 | } |
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446 | |
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447 | G4IsoResult* |
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448 | G4HadronicProcess::ExtractResidualNucleus(const G4Track&, |
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449 | const G4Nucleus& aNucleus, |
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450 | G4HadFinalState* aResult) |
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451 | { |
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452 | G4double A = aNucleus.GetN(); |
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453 | G4double Z = aNucleus.GetZ(); |
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454 | G4double bufferA = 0; |
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455 | G4double bufferZ = 0; |
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456 | |
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457 | // loop over aResult, and decrement A, Z accordingly |
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458 | // cash the max |
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459 | for(G4int i=0; i<aResult->GetNumberOfSecondaries(); i++) |
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460 | { |
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461 | G4HadSecondary* aSecTrack = aResult->GetSecondary(i); |
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462 | if(bufferA<aSecTrack->GetParticle()->GetDefinition()->GetBaryonNumber()) |
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463 | { |
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464 | bufferA = aSecTrack->GetParticle()->GetDefinition()->GetBaryonNumber(); |
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465 | bufferZ = aSecTrack->GetParticle()->GetDefinition()->GetPDGCharge(); |
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466 | } |
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467 | Z-=aSecTrack->GetParticle()->GetDefinition()->GetPDGCharge(); |
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468 | A-=aSecTrack->GetParticle()->GetDefinition()->GetBaryonNumber(); |
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469 | } |
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470 | |
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471 | // if the fragment was part of the final state, it is |
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472 | // assumed to be the heaviest secondary. |
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473 | if(A<0.1) |
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474 | { |
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475 | A = bufferA; |
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476 | Z = bufferZ; |
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477 | } |
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478 | |
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479 | // prepare the IsoResult. |
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480 | |
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481 | std::ostringstream ost1; |
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482 | ost1 <<Z<<"_"<<A; |
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483 | G4String biff = ost1.str(); |
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484 | G4IsoResult * theResult = new G4IsoResult(biff, aNucleus); |
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485 | |
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486 | return theResult; |
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487 | } |
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488 | |
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489 | G4double G4HadronicProcess::XBiasSurvivalProbability() |
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490 | { |
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491 | G4double result = 0; |
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492 | G4double nLTraversed = GetTotalNumberOfInteractionLengthTraversed(); |
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493 | G4double biasedProbability = 1.-std::exp(-nLTraversed); |
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494 | G4double realProbability = 1-std::exp(-nLTraversed/aScaleFactor); |
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495 | result = (biasedProbability-realProbability)/biasedProbability; |
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496 | return result; |
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497 | } |
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498 | |
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499 | G4double G4HadronicProcess::XBiasSecondaryWeight() |
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500 | { |
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501 | G4double result = 0; |
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502 | G4double nLTraversed = GetTotalNumberOfInteractionLengthTraversed(); |
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503 | result = |
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504 | 1./aScaleFactor*std::exp(-nLTraversed/aScaleFactor*(1-1./aScaleFactor)); |
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505 | return result; |
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506 | } |
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507 | |
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508 | void |
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509 | G4HadronicProcess::FillTotalResult(G4HadFinalState * aR, const G4Track & aT) |
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510 | { |
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511 | G4Nancheck go_wild; |
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512 | theTotalResult->Clear(); |
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513 | theTotalResult->ProposeLocalEnergyDeposit(0.); |
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514 | theTotalResult->Initialize(aT); |
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515 | theTotalResult->SetSecondaryWeightByProcess(true); |
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516 | theTotalResult->ProposeTrackStatus(fAlive); |
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517 | G4double rotation = 2.*pi*G4UniformRand(); |
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518 | G4ThreeVector it(0., 0., 1.); |
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519 | |
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520 | /* |
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521 | if(xBiasOn) |
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522 | { |
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523 | G4cout << "BiasDebug "<<GetProcessName()<<" " |
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524 | <<aScaleFactor<<" " |
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525 | <<XBiasSurvivalProbability()<<" " |
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526 | <<XBiasSecondaryWeight()<<" " |
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527 | <<G4endl; |
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528 | } |
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529 | */ |
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530 | // if(GetProcessName() != "LElastic") std::cout << "Debug -1 "<<aR->GetStatusChange()<<std::endl; |
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531 | if(aR->GetStatusChange()==stopAndKill) |
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532 | { |
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533 | if( xBiasOn && G4UniformRand()<XBiasSurvivalProbability() ) |
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534 | { |
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535 | theTotalResult->ProposeParentWeight( XBiasSurvivalProbability()*aT.GetWeight() ); |
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536 | } |
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537 | else |
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538 | { |
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539 | theTotalResult->ProposeTrackStatus(fStopAndKill); |
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540 | theTotalResult->ProposeEnergy( 0.0 ); |
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541 | } |
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542 | } |
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543 | else if(aR->GetStatusChange()!=stopAndKill ) |
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544 | { |
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545 | if(aR->GetStatusChange()==suspend) |
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546 | { |
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547 | theTotalResult->ProposeTrackStatus(fSuspend); |
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548 | if(xBiasOn) |
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549 | { |
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550 | G4Exception("G4HadronicProcess", "007", FatalException, |
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551 | "Cannot cross-section bias a process that suspends tracks."); |
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552 | } |
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553 | } else if (aT.GetKineticEnergy() == 0) { |
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554 | theTotalResult->ProposeTrackStatus(fStopButAlive); |
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555 | } |
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556 | |
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557 | if(xBiasOn && G4UniformRand()<XBiasSurvivalProbability()) |
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558 | { |
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559 | theTotalResult->ProposeParentWeight( XBiasSurvivalProbability()*aT.GetWeight() ); |
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560 | G4double newWeight = aR->GetWeightChange()*aT.GetWeight(); |
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561 | if(go_wild(aR->GetEnergyChange())) |
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562 | { |
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563 | G4Exception("G4HadronicProcess", "007", FatalException, |
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564 | "surviving track received NaN energy."); |
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565 | } |
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566 | if(go_wild(aR->GetMomentumChange().x()) || |
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567 | go_wild(aR->GetMomentumChange().y()) || |
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568 | go_wild(aR->GetMomentumChange().z())) |
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569 | { |
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570 | G4Exception("G4HadronicProcess", "007", FatalException, |
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571 | "surviving track received NaN momentum."); |
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572 | } |
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573 | G4double newM=aT.GetDefinition()->GetPDGMass(); |
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574 | G4double newE=aR->GetEnergyChange() + newM; |
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575 | G4double newP=std::sqrt(newE*newE - newM*newM); |
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576 | G4DynamicParticle * aNew = |
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577 | new G4DynamicParticle(aT.GetDefinition(), newE, newP*aR->GetMomentumChange()); |
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578 | G4HadSecondary * theSec = new G4HadSecondary(aNew, newWeight); |
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579 | aR->AddSecondary(theSec); |
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580 | } |
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581 | else |
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582 | { |
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583 | G4double newWeight = aR->GetWeightChange()*aT.GetWeight(); |
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584 | theTotalResult->ProposeParentWeight(newWeight); // This is multiplicative |
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585 | if(aR->GetEnergyChange()>-.5) |
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586 | { |
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587 | if(go_wild(aR->GetEnergyChange())) |
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588 | { |
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589 | G4Exception("G4HadronicProcess", "007", FatalException, |
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590 | "track received NaN energy."); |
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591 | } |
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592 | theTotalResult->ProposeEnergy(aR->GetEnergyChange()); |
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593 | } |
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594 | G4LorentzVector newDirection(aR->GetMomentumChange().unit(), 1.); |
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595 | newDirection*=aR->GetTrafoToLab(); |
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596 | theTotalResult->ProposeMomentumDirection(newDirection.vect()); |
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597 | } |
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598 | } |
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599 | else |
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600 | { |
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601 | G4cerr << "Track status is "<< aR->GetStatusChange()<<G4endl; |
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602 | G4Exception("G4HadronicProcess", "007", FatalException, |
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603 | "use of unsupported track-status."); |
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604 | } |
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605 | |
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606 | if(GetProcessName() != "hElastic" && GetProcessName() != "HadronElastic" |
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607 | && theTotalResult->GetTrackStatus()==fAlive |
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608 | && aR->GetStatusChange()==isAlive |
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609 | ) |
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610 | { |
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611 | // Use for debugging: G4double newWeight = theTotalResult->GetParentWeight(); |
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612 | |
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613 | G4double newKE = std::max(DBL_MIN, aR->GetEnergyChange()); |
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614 | G4DynamicParticle* aNew = new G4DynamicParticle(aT.GetDefinition(), |
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615 | aR->GetMomentumChange(), |
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616 | newKE); |
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617 | G4HadSecondary* theSec = new G4HadSecondary(aNew, 1.0); |
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618 | aR->AddSecondary(theSec); |
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619 | aR->SetStatusChange(stopAndKill); |
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620 | |
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621 | theTotalResult->ProposeTrackStatus(fStopAndKill); |
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622 | theTotalResult->ProposeEnergy( 0.0 ); |
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623 | |
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624 | } |
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625 | theTotalResult->ProposeLocalEnergyDeposit(aR->GetLocalEnergyDeposit()); |
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626 | theTotalResult->SetNumberOfSecondaries(aR->GetNumberOfSecondaries()); |
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627 | |
---|
628 | if(aR->GetStatusChange() != stopAndKill) |
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629 | { |
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630 | G4double newM=aT.GetDefinition()->GetPDGMass(); |
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631 | G4double newE=aR->GetEnergyChange() + newM; |
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632 | G4double newP=std::sqrt(newE*newE - newM*newM); |
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633 | G4ThreeVector newPV = newP*aR->GetMomentumChange(); |
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634 | G4LorentzVector newP4(newE, newPV); |
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635 | newP4.rotate(rotation, it); |
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636 | newP4*=aR->GetTrafoToLab(); |
---|
637 | theTotalResult->ProposeMomentumDirection(newP4.vect().unit()); |
---|
638 | } |
---|
639 | |
---|
640 | for(G4int i=0; i<aR->GetNumberOfSecondaries(); i++) |
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641 | { |
---|
642 | G4LorentzVector theM = aR->GetSecondary(i)->GetParticle()->Get4Momentum(); |
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643 | theM.rotate(rotation, it); |
---|
644 | theM*=aR->GetTrafoToLab(); |
---|
645 | |
---|
646 | if(go_wild(theM.e())) |
---|
647 | { |
---|
648 | G4Exception("G4HadronicProcess", "007", FatalException, |
---|
649 | "secondary track received NaN energy."); |
---|
650 | } |
---|
651 | if(go_wild(theM.x()) || |
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652 | go_wild(theM.y()) || |
---|
653 | go_wild(theM.z())) |
---|
654 | { |
---|
655 | G4Exception("G4HadronicProcess", "007", FatalException, |
---|
656 | "secondary track received NaN momentum."); |
---|
657 | } |
---|
658 | |
---|
659 | aR->GetSecondary(i)->GetParticle()->Set4Momentum(theM); |
---|
660 | G4double time = aR->GetSecondary(i)->GetTime(); |
---|
661 | if(time<0) time = aT.GetGlobalTime(); |
---|
662 | |
---|
663 | G4Track* track = new G4Track(aR->GetSecondary(i)->GetParticle(), |
---|
664 | time, |
---|
665 | aT.GetPosition()); |
---|
666 | |
---|
667 | G4double newWeight = aT.GetWeight()*aR->GetSecondary(i)->GetWeight(); |
---|
668 | //static G4double pinelcount=0; |
---|
669 | if(xBiasOn) newWeight *= XBiasSecondaryWeight(); |
---|
670 | // G4cout << "#### ParticleDebug " |
---|
671 | // <<GetProcessName()<<" " |
---|
672 | // <<aR->GetSecondary(i)->GetParticle()->GetDefinition()->GetParticleName()<<" " |
---|
673 | // <<aScaleFactor<<" " |
---|
674 | // <<XBiasSurvivalProbability()<<" " |
---|
675 | // <<XBiasSecondaryWeight()<<" " |
---|
676 | // <<aT.GetWeight()<<" " |
---|
677 | // <<aR->GetSecondary(i)->GetWeight()<<" " |
---|
678 | // <<aR->GetSecondary(i)->GetParticle()->Get4Momentum()<<" " |
---|
679 | // <<G4endl; |
---|
680 | track->SetWeight(newWeight); |
---|
681 | G4double trackDeb = track->GetKineticEnergy(); |
---|
682 | if( ( trackDeb<0 |
---|
683 | || (trackDeb>aT.GetKineticEnergy()+1*GeV) ) && getenv("GHADEnergyBalanceDebug") ) |
---|
684 | { |
---|
685 | G4cout << "Debugging hadronic processes: "<<track->GetKineticEnergy() |
---|
686 | <<" "<<aT.GetKineticEnergy() |
---|
687 | <<" "<<GetProcessName() |
---|
688 | <<" "<<aT.GetDefinition()->GetParticleName() |
---|
689 | <<G4endl; |
---|
690 | } |
---|
691 | track->SetTouchableHandle(aT.GetTouchableHandle()); |
---|
692 | theTotalResult->AddSecondary(track); |
---|
693 | } |
---|
694 | |
---|
695 | aR->Clear(); |
---|
696 | return; |
---|
697 | } |
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698 | /* end of file */ |
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