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 | |
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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 | |
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52 | #include "G4HadronicWhiteBoard.hh" |
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53 | |
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54 | #include "G4HadSignalHandler.hh" |
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55 | |
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56 | #include "G4HadronicProcessStore.hh" |
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57 | |
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58 | #include <typeinfo> |
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59 | |
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60 | namespace G4HadronicProcess_local |
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61 | { |
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62 | extern "C" void G4HadronicProcessHandler_1(int) |
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63 | { |
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64 | G4HadronicWhiteBoard::Instance().Dump(); |
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65 | } |
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66 | } |
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67 | |
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68 | G4IsoParticleChange * G4HadronicProcess::theIsoResult = 0; |
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69 | G4IsoParticleChange * G4HadronicProcess::theOldIsoResult = 0; |
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70 | G4bool G4HadronicProcess::isoIsEnabled = true; |
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71 | |
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72 | void G4HadronicProcess:: |
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73 | EnableIsotopeProductionGlobally() {isoIsEnabled = true;} |
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74 | |
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75 | void G4HadronicProcess:: |
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76 | DisableIsotopeProductionGlobally() {isoIsEnabled = false;} |
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77 | |
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78 | ////////////////////////////////////////////////////////////////// |
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79 | |
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80 | G4HadronicProcess::G4HadronicProcess( const G4String &processName, |
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81 | G4ProcessType aType ) : |
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82 | G4VDiscreteProcess( processName, aType) |
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83 | { |
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84 | ModelingState = 0; |
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85 | isoIsOnAnyway = -1; |
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86 | theTotalResult = new G4ParticleChange(); |
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87 | theCrossSectionDataStore = new G4CrossSectionDataStore(); |
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88 | G4HadronicProcessStore::Instance()->Register(this); |
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89 | aScaleFactor = 1; |
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90 | xBiasOn = false; |
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91 | G4HadronicProcess_debug_flag = false; |
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92 | if(getenv("SwitchLeadBiasOn")) theBias.push_back(new G4HadLeadBias()); |
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93 | } |
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94 | |
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95 | G4HadronicProcess::~G4HadronicProcess() |
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96 | { |
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97 | G4HadronicProcessStore::Instance()->DeRegister(this); |
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98 | delete theTotalResult; |
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99 | |
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100 | std::for_each(theProductionModels.begin(), |
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101 | theProductionModels.end(), G4Delete()); |
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102 | std::for_each(theBias.begin(), theBias.end(), G4Delete()); |
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103 | |
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104 | delete theOldIsoResult; |
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105 | delete theIsoResult; |
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106 | delete theCrossSectionDataStore; |
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107 | } |
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108 | |
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109 | void G4HadronicProcess::RegisterMe( G4HadronicInteraction *a ) |
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110 | { |
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111 | try{GetManagerPointer()->RegisterMe( a );} |
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112 | catch(G4HadronicException & aE) |
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113 | { |
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114 | aE.Report(std::cout); |
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115 | G4Exception("G4HadronicProcess", "007", FatalException, |
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116 | "Could not register G4HadronicInteraction"); |
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117 | } |
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118 | G4HadronicProcessStore::Instance()->RegisterInteraction(this, a); |
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119 | } |
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120 | |
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121 | void G4HadronicProcess::PreparePhysicsTable(const G4ParticleDefinition& p) |
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122 | { |
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123 | if(getenv("G4HadronicProcess_debug")) G4HadronicProcess_debug_flag = true; |
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124 | G4HadronicProcessStore::Instance()->RegisterParticle(this, &p); |
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125 | } |
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126 | |
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127 | void G4HadronicProcess::BuildPhysicsTable(const G4ParticleDefinition& p) |
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128 | { |
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129 | theCrossSectionDataStore->BuildPhysicsTable(p); |
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130 | G4HadronicProcessStore::Instance()->PrintInfo(&p); |
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131 | } |
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132 | |
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133 | G4double G4HadronicProcess:: |
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134 | GetMeanFreePath(const G4Track &aTrack, G4double, G4ForceCondition *) |
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135 | { |
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136 | try |
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137 | { |
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138 | ModelingState = 1; |
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139 | theLastCrossSection = aScaleFactor* |
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140 | theCrossSectionDataStore->GetCrossSection(aTrack.GetDynamicParticle(), |
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141 | aTrack.GetMaterial()); |
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142 | } |
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143 | catch(G4HadronicException aR) |
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144 | { |
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145 | aR.Report(G4cout); |
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146 | G4Exception("G4HadronicProcess", "007", FatalException, |
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147 | "G4HadronicProcess::GetMeanFreePath failed"); |
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148 | } |
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149 | G4double res = DBL_MAX; |
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150 | if( theLastCrossSection > 0.0 ) res = 1.0/theLastCrossSection; |
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151 | return res; |
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152 | } |
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153 | |
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154 | G4double G4HadronicProcess:: |
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155 | GetMicroscopicCrossSection(const G4DynamicParticle *aParticle, |
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156 | const G4Element *anElement, |
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157 | G4double aTemp ) |
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158 | { |
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159 | return |
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160 | theCrossSectionDataStore->GetCrossSection(aParticle, anElement, aTemp); |
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161 | } |
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162 | |
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163 | G4VParticleChange *G4HadronicProcess::PostStepDoIt( |
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164 | const G4Track &aTrack, const G4Step &) |
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165 | { |
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166 | // Debugging stuff |
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167 | if(G4HadronicProcess_debug_flag) |
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168 | std::cout << "@@@@ hadronic process start "<< std::endl; |
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169 | // G4cout << theNumberOfInteractionLengthLeft<<G4endl; |
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170 | #ifndef G4HadSignalHandler_off |
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171 | G4HadSignalHandler aHandler(G4HadronicProcess_local::G4HadronicProcessHandler_1); |
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172 | #endif |
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173 | |
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174 | if(aTrack.GetTrackStatus() != fAlive && aTrack.GetTrackStatus() != fSuspend) { |
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175 | if (aTrack.GetTrackStatus() == fStopAndKill || |
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176 | aTrack.GetTrackStatus() == fKillTrackAndSecondaries || |
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177 | aTrack.GetTrackStatus() == fPostponeToNextEvent) { |
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178 | G4cerr << "G4HadronicProcess: track in unusable state - " |
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179 | << aTrack.GetTrackStatus() << G4endl; |
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180 | G4cerr << "G4HadronicProcess: returning unchanged track " << G4endl; |
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181 | G4Exception("G4HadronicProcess", "001", JustWarning, "bailing out"); |
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182 | } |
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183 | // No warning for fStopButAlive which is a legal status here |
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184 | theTotalResult->Clear(); |
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185 | theTotalResult->Initialize(aTrack); |
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186 | return theTotalResult; |
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187 | } |
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188 | |
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189 | const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle(); |
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190 | G4Material* aMaterial = aTrack.GetMaterial(); |
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191 | G4double originalEnergy = aParticle->GetKineticEnergy(); |
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192 | G4double kineticEnergy = originalEnergy; |
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193 | |
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194 | /* |
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195 | // It is not needed with standard NaN check |
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196 | // More debugging |
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197 | G4Nancheck go_wild; |
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198 | if(go_wild(originalEnergy) || |
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199 | go_wild(aParticle->Get4Momentum().x()) || |
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200 | go_wild(aParticle->Get4Momentum().y()) || |
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201 | go_wild(aParticle->Get4Momentum().z()) || |
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202 | go_wild(aParticle->Get4Momentum().t()) |
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203 | ) |
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204 | { |
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205 | G4Exception("G4HadronicProcess", "001", JustWarning, "NaN in input energy or momentum - bailing out."); |
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206 | theTotalResult->Clear(); |
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207 | theTotalResult->Initialize(aTrack); |
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208 | return theTotalResult; |
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209 | } |
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210 | */ |
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211 | |
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212 | // Get kinetic energy per nucleon for ions |
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213 | if(aParticle->GetDefinition()->GetBaryonNumber() > 1.5) |
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214 | kineticEnergy/=aParticle->GetDefinition()->GetBaryonNumber(); |
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215 | |
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216 | G4Element* anElement = 0; |
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217 | try |
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218 | { |
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219 | // anElement = ChooseAandZ( aParticle, aMaterial ); |
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220 | anElement = theCrossSectionDataStore->SampleZandA(aParticle, |
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221 | aMaterial, |
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222 | targetNucleus); |
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223 | } |
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224 | catch(G4HadronicException & aR) |
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225 | { |
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226 | aR.Report(G4cout); |
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227 | G4cout << "Unrecoverable error for:"<<G4endl; |
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228 | G4cout << " - Particle energy[GeV] = "<< originalEnergy/GeV<<G4endl; |
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229 | G4cout << " - Material = "<<aMaterial->GetName()<<G4endl; |
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230 | G4cout << " - Particle type = " |
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231 | <<aParticle->GetDefinition()->GetParticleName()<<G4endl; |
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232 | G4Exception("G4HadronicProcess", "007", FatalException, |
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233 | "PostStepDoIt failed on element selection."); |
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234 | } |
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235 | |
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236 | try |
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237 | { |
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238 | theInteraction = ChooseHadronicInteraction( kineticEnergy, |
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239 | aMaterial, anElement ); |
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240 | } |
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241 | catch(G4HadronicException & aE) |
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242 | { |
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243 | aE.Report(std::cout); |
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244 | G4cout << "Unrecoverable error for:"<<G4endl; |
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245 | G4cout << " - Particle energy[GeV] = "<< originalEnergy/GeV<<G4endl; |
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246 | G4cout << " - Material = "<<aMaterial->GetName()<<G4endl; |
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247 | G4cout << " - Particle type = " |
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248 | << aParticle->GetDefinition()->GetParticleName()<<G4endl; |
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249 | G4Exception("G4HadronicProcess", "007", FatalException, |
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250 | "ChooseHadronicInteraction failed."); |
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251 | } |
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252 | |
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253 | // Initialize the hadronic projectile from the track |
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254 | |
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255 | G4HadProjectile thePro(aTrack); |
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256 | |
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257 | G4HadFinalState* result = 0; |
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258 | G4int reentryCount = 0; |
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259 | |
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260 | do |
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261 | { |
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262 | try |
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263 | { |
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264 | // Call the interaction |
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265 | result = theInteraction->ApplyYourself( thePro, targetNucleus); |
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266 | } |
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267 | catch(G4HadReentrentException aR) |
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268 | { |
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269 | G4HadronicWhiteBoard & theBoard = G4HadronicWhiteBoard::Instance(); |
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270 | theBoard.SetProjectile(thePro); |
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271 | theBoard.SetTargetNucleus(targetNucleus); |
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272 | theBoard.SetProcessName(GetProcessName()); |
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273 | theBoard.SetModelName(theInteraction->GetModelName()); |
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274 | |
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275 | aR.Report(G4cout); |
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276 | G4cout << " G4HadronicProcess re-entering the ApplyYourself call for " |
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277 | <<G4endl; |
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278 | G4cout << " - Particle energy[GeV] = "<< originalEnergy/GeV<<G4endl; |
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279 | G4cout << " - Material = "<<aMaterial->GetName()<<G4endl; |
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280 | G4cout << " - Particle type = " |
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281 | << aParticle->GetDefinition()->GetParticleName() << G4endl; |
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282 | result = 0; // here would still be leaking... |
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283 | if(reentryCount>100) |
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284 | { |
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285 | G4Exception("G4HadronicProcess", "007", FatalException, |
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286 | "GetHadronicProcess: Reentering ApplyYourself too often - PostStepDoIt failed."); |
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287 | } |
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288 | G4Exception("G4HadronicProcess", "007", FatalException, |
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289 | "GetHadronicProcess: PostStepDoIt failed (Reentering ApplyYourself not yet supported.)"); |
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290 | } |
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291 | catch(G4HadronicException aR) |
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292 | { |
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293 | G4HadronicWhiteBoard & theBoard = G4HadronicWhiteBoard::Instance(); |
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294 | theBoard.SetProjectile(thePro); |
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295 | theBoard.SetTargetNucleus(targetNucleus); |
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296 | theBoard.SetProcessName(GetProcessName()); |
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297 | theBoard.SetModelName(theInteraction->GetModelName()); |
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298 | |
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299 | aR.Report(G4cout); |
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300 | G4cout << " G4HadronicProcess failed in ApplyYourself call for" |
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301 | << G4endl; |
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302 | G4cout << " - Particle energy[GeV] = "<< originalEnergy/GeV<<G4endl; |
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303 | G4cout << " - Material = "<<aMaterial->GetName()<<G4endl; |
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304 | G4cout << " - Particle type = " |
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305 | << aParticle->GetDefinition()->GetParticleName() << G4endl; |
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306 | G4Exception("G4HadronicProcess", "007", FatalException, |
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307 | "PostStepDoIt failed."); |
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308 | } |
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309 | } |
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310 | while(!result); |
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311 | |
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312 | if(!ModelingState && !getenv("BypassAllSafetyChecks") ) |
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313 | { |
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314 | G4cout << "ERROR IN EXECUTION -- HADRONIC PROCESS STATE NOT VALID"<<G4endl; |
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315 | G4cout << "Result will be of undefined quality."<<G4endl; |
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316 | } |
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317 | |
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318 | // NOT USED ?? Projectile particle has changed character during interaction |
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319 | if(result->GetStatusChange() == isAlive && |
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320 | thePro.GetDefinition() != aTrack.GetDefinition()) |
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321 | { |
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322 | G4DynamicParticle * aP = |
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323 | const_cast<G4DynamicParticle *>(aTrack.GetDynamicParticle()); |
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324 | aP->SetDefinition(const_cast<G4ParticleDefinition *>(thePro.GetDefinition())); |
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325 | } |
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326 | |
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327 | result->SetTrafoToLab(thePro.GetTrafoToLab()); |
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328 | |
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329 | if(getenv("HadronicDoitLogging") ) |
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330 | { |
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331 | G4cout << "HadronicDoitLogging " |
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332 | << GetProcessName() <<" " |
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333 | << aParticle->GetDefinition()->GetPDGEncoding()<<" " |
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334 | << originalEnergy<<" " |
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335 | << aParticle->GetMomentum()<<" " |
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336 | << targetNucleus.GetN()<<" " |
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337 | << targetNucleus.GetZ()<<" " |
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338 | << G4endl; |
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339 | } |
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340 | |
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341 | ClearNumberOfInteractionLengthLeft(); |
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342 | if(isoIsOnAnyway!=-1) |
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343 | { |
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344 | if(isoIsEnabled||isoIsOnAnyway) |
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345 | { |
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346 | result = DoIsotopeCounting(result, aTrack, targetNucleus); |
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347 | } |
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348 | } |
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349 | |
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350 | G4double e=aTrack.GetKineticEnergy(); |
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351 | ModelingState = 0; |
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352 | if(e<5*GeV) |
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353 | { |
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354 | for(size_t i=0; i<theBias.size(); i++) |
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355 | { |
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356 | result = theBias[i]->Bias(result); |
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357 | } |
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358 | } |
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359 | |
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360 | // Put hadronic final state particles into G4ParticleChange |
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361 | |
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362 | FillTotalResult(result, aTrack); |
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363 | if(G4HadronicProcess_debug_flag) |
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364 | std::cout << "@@@@ hadronic process end "<< std::endl; |
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365 | |
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366 | return theTotalResult; |
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367 | } |
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368 | |
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369 | |
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370 | G4HadFinalState* |
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371 | G4HadronicProcess::DoIsotopeCounting(G4HadFinalState * aResult, |
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372 | const G4Track & aTrack, |
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373 | const G4Nucleus & aNucleus) |
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374 | { |
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375 | // get the PC from iso-production |
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376 | delete theOldIsoResult; |
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377 | theOldIsoResult = 0; |
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378 | delete theIsoResult; |
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379 | theIsoResult = new G4IsoParticleChange; |
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380 | G4bool done = false; |
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381 | G4IsoResult * anIsoResult = 0; |
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382 | for(unsigned int i=0; i<theProductionModels.size(); i++) |
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383 | { |
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384 | anIsoResult = theProductionModels[i]->GetIsotope(aTrack, aNucleus); |
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385 | if(anIsoResult!=0) |
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386 | { |
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387 | done = true; |
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388 | break; |
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389 | } |
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390 | } |
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391 | |
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392 | // If no production models active, use default iso production |
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393 | if(!done) anIsoResult = ExtractResidualNucleus(aTrack, aNucleus, aResult); |
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394 | |
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395 | // Add all info explicitely and add typename from model called. |
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396 | theIsoResult->SetIsotope(anIsoResult->GetIsotope()); |
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397 | theIsoResult->SetProductionPosition(aTrack.GetPosition()); |
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398 | theIsoResult->SetProductionTime(aTrack.GetGlobalTime()); |
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399 | theIsoResult->SetParentParticle(*aTrack.GetDynamicParticle()); |
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400 | theIsoResult->SetMotherNucleus(anIsoResult->GetMotherNucleus()); |
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401 | theIsoResult->SetProducer(typeid(*theInteraction).name()); |
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402 | |
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403 | delete anIsoResult; |
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404 | |
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405 | // If isotope production is enabled the GetIsotopeProductionInfo() |
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406 | // method must be called or else a memory leak will result |
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407 | // |
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408 | // The following code will fix the memory leak, but remove the |
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409 | // isotope information: |
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410 | // |
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411 | // if(theIsoResult) { |
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412 | // delete theIsoResult; |
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413 | // theIsoResult = 0; |
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414 | // } |
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415 | |
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416 | return aResult; |
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417 | } |
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418 | |
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419 | G4IsoResult* |
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420 | G4HadronicProcess::ExtractResidualNucleus(const G4Track&, |
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421 | const G4Nucleus& aNucleus, |
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422 | G4HadFinalState* aResult) |
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423 | { |
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424 | G4double A = aNucleus.GetN(); |
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425 | G4double Z = aNucleus.GetZ(); |
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426 | G4double bufferA = 0; |
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427 | G4double bufferZ = 0; |
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428 | |
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429 | // loop over aResult, and decrement A, Z accordingly |
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430 | // cash the max |
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431 | for(G4int i=0; i<aResult->GetNumberOfSecondaries(); i++) |
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432 | { |
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433 | G4HadSecondary* aSecTrack = aResult->GetSecondary(i); |
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434 | if(bufferA<aSecTrack->GetParticle()->GetDefinition()->GetBaryonNumber()) |
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435 | { |
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436 | bufferA = aSecTrack->GetParticle()->GetDefinition()->GetBaryonNumber(); |
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437 | bufferZ = aSecTrack->GetParticle()->GetDefinition()->GetPDGCharge(); |
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438 | } |
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439 | Z-=aSecTrack->GetParticle()->GetDefinition()->GetPDGCharge(); |
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440 | A-=aSecTrack->GetParticle()->GetDefinition()->GetBaryonNumber(); |
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441 | } |
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442 | |
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443 | // if the fragment was part of the final state, it is |
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444 | // assumed to be the heaviest secondary. |
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445 | if(A<0.1) |
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446 | { |
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447 | A = bufferA; |
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448 | Z = bufferZ; |
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449 | } |
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450 | |
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451 | // prepare the IsoResult. |
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452 | |
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453 | std::ostringstream ost1; |
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454 | ost1 <<Z<<"_"<<A; |
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455 | G4String biff = ost1.str(); |
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456 | G4IsoResult * theResult = new G4IsoResult(biff, aNucleus); |
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457 | |
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458 | return theResult; |
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459 | } |
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460 | |
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461 | G4double G4HadronicProcess::XBiasSurvivalProbability() |
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462 | { |
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463 | G4double result = 0; |
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464 | G4double nLTraversed = GetTotalNumberOfInteractionLengthTraversed(); |
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465 | G4double biasedProbability = 1.-std::exp(-nLTraversed); |
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466 | G4double realProbability = 1-std::exp(-nLTraversed/aScaleFactor); |
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467 | result = (biasedProbability-realProbability)/biasedProbability; |
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468 | return result; |
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469 | } |
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470 | |
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471 | G4double G4HadronicProcess::XBiasSecondaryWeight() |
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472 | { |
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473 | G4double result = 0; |
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474 | G4double nLTraversed = GetTotalNumberOfInteractionLengthTraversed(); |
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475 | result = |
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476 | 1./aScaleFactor*std::exp(-nLTraversed/aScaleFactor*(1-1./aScaleFactor)); |
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477 | return result; |
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478 | } |
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479 | |
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480 | void |
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481 | G4HadronicProcess::FillTotalResult(G4HadFinalState * aR, const G4Track & aT) |
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482 | { |
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483 | // G4Nancheck go_wild; |
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484 | theTotalResult->Clear(); |
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485 | theTotalResult->ProposeLocalEnergyDeposit(0.); |
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486 | theTotalResult->Initialize(aT); |
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487 | theTotalResult->SetSecondaryWeightByProcess(true); |
---|
488 | theTotalResult->ProposeTrackStatus(fAlive); |
---|
489 | G4double rotation = 2.*pi*G4UniformRand(); |
---|
490 | G4ThreeVector it(0., 0., 1.); |
---|
491 | |
---|
492 | /* |
---|
493 | if(xBiasOn) |
---|
494 | { |
---|
495 | G4cout << "BiasDebug "<<GetProcessName()<<" " |
---|
496 | <<aScaleFactor<<" " |
---|
497 | <<XBiasSurvivalProbability()<<" " |
---|
498 | <<XBiasSecondaryWeight()<<" " |
---|
499 | <<G4endl; |
---|
500 | } |
---|
501 | */ |
---|
502 | // if(GetProcessName() != "LElastic") std::cout << "Debug -1 "<<aR->GetStatusChange()<<std::endl; |
---|
503 | if(aR->GetStatusChange()==stopAndKill) |
---|
504 | { |
---|
505 | if( xBiasOn && G4UniformRand()<XBiasSurvivalProbability() ) |
---|
506 | { |
---|
507 | theTotalResult->ProposeParentWeight( XBiasSurvivalProbability()*aT.GetWeight() ); |
---|
508 | } |
---|
509 | else |
---|
510 | { |
---|
511 | theTotalResult->ProposeTrackStatus(fStopAndKill); |
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512 | theTotalResult->ProposeEnergy( 0.0 ); |
---|
513 | } |
---|
514 | } |
---|
515 | else if(aR->GetStatusChange()!=stopAndKill ) |
---|
516 | { |
---|
517 | if(aR->GetStatusChange()==suspend) |
---|
518 | { |
---|
519 | theTotalResult->ProposeTrackStatus(fSuspend); |
---|
520 | if(xBiasOn) |
---|
521 | { |
---|
522 | G4Exception("G4HadronicProcess", "007", FatalException, |
---|
523 | "Cannot cross-section bias a process that suspends tracks."); |
---|
524 | } |
---|
525 | } else if (aT.GetKineticEnergy() == 0) { |
---|
526 | theTotalResult->ProposeTrackStatus(fStopButAlive); |
---|
527 | } |
---|
528 | |
---|
529 | if(xBiasOn && G4UniformRand()<XBiasSurvivalProbability()) |
---|
530 | { |
---|
531 | theTotalResult->ProposeParentWeight( XBiasSurvivalProbability()*aT.GetWeight() ); |
---|
532 | G4double newWeight = aR->GetWeightChange()*aT.GetWeight(); |
---|
533 | /* |
---|
534 | if(go_wild(aR->GetEnergyChange())) |
---|
535 | { |
---|
536 | G4Exception("G4HadronicProcess", "007", FatalException, |
---|
537 | "surviving track received NaN energy."); |
---|
538 | } |
---|
539 | if(go_wild(aR->GetMomentumChange().x()) || |
---|
540 | go_wild(aR->GetMomentumChange().y()) || |
---|
541 | go_wild(aR->GetMomentumChange().z())) |
---|
542 | { |
---|
543 | G4Exception("G4HadronicProcess", "007", FatalException, |
---|
544 | "surviving track received NaN momentum."); |
---|
545 | } |
---|
546 | */ |
---|
547 | G4double newM=aT.GetDefinition()->GetPDGMass(); |
---|
548 | G4double newE=aR->GetEnergyChange() + newM; |
---|
549 | G4double newP=std::sqrt(newE*newE - newM*newM); |
---|
550 | G4DynamicParticle * aNew = |
---|
551 | new G4DynamicParticle(aT.GetDefinition(), newE, newP*aR->GetMomentumChange()); |
---|
552 | G4HadSecondary * theSec = new G4HadSecondary(aNew, newWeight); |
---|
553 | aR->AddSecondary(theSec); |
---|
554 | } |
---|
555 | else |
---|
556 | { |
---|
557 | G4double newWeight = aR->GetWeightChange()*aT.GetWeight(); |
---|
558 | theTotalResult->ProposeParentWeight(newWeight); // This is multiplicative |
---|
559 | if(aR->GetEnergyChange()>-.5) |
---|
560 | { |
---|
561 | /* |
---|
562 | if(go_wild(aR->GetEnergyChange())) |
---|
563 | { |
---|
564 | G4Exception("G4HadronicProcess", "007", FatalException, |
---|
565 | "track received NaN energy."); |
---|
566 | } |
---|
567 | */ |
---|
568 | theTotalResult->ProposeEnergy(aR->GetEnergyChange()); |
---|
569 | } |
---|
570 | G4LorentzVector newDirection(aR->GetMomentumChange().unit(), 1.); |
---|
571 | newDirection*=aR->GetTrafoToLab(); |
---|
572 | theTotalResult->ProposeMomentumDirection(newDirection.vect()); |
---|
573 | } |
---|
574 | } |
---|
575 | else |
---|
576 | { |
---|
577 | G4cerr << "Track status is "<< aR->GetStatusChange()<<G4endl; |
---|
578 | G4Exception("G4HadronicProcess", "007", FatalException, |
---|
579 | "use of unsupported track-status."); |
---|
580 | } |
---|
581 | |
---|
582 | if(GetProcessName() != "hElastic" && GetProcessName() != "HadronElastic" |
---|
583 | && theTotalResult->GetTrackStatus()==fAlive |
---|
584 | && aR->GetStatusChange()==isAlive) |
---|
585 | { |
---|
586 | // Use for debugging: G4double newWeight = theTotalResult->GetParentWeight(); |
---|
587 | |
---|
588 | G4double newKE = std::max(DBL_MIN, aR->GetEnergyChange()); |
---|
589 | G4DynamicParticle* aNew = new G4DynamicParticle(aT.GetDefinition(), |
---|
590 | aR->GetMomentumChange(), |
---|
591 | newKE); |
---|
592 | G4HadSecondary* theSec = new G4HadSecondary(aNew, 1.0); |
---|
593 | aR->AddSecondary(theSec); |
---|
594 | aR->SetStatusChange(stopAndKill); |
---|
595 | |
---|
596 | theTotalResult->ProposeTrackStatus(fStopAndKill); |
---|
597 | theTotalResult->ProposeEnergy( 0.0 ); |
---|
598 | |
---|
599 | } |
---|
600 | theTotalResult->ProposeLocalEnergyDeposit(aR->GetLocalEnergyDeposit()); |
---|
601 | theTotalResult->SetNumberOfSecondaries(aR->GetNumberOfSecondaries()); |
---|
602 | |
---|
603 | if(aR->GetStatusChange() != stopAndKill) |
---|
604 | { |
---|
605 | G4double newM=aT.GetDefinition()->GetPDGMass(); |
---|
606 | G4double newE=aR->GetEnergyChange() + newM; |
---|
607 | G4double newP=std::sqrt(newE*newE - newM*newM); |
---|
608 | G4ThreeVector newPV = newP*aR->GetMomentumChange(); |
---|
609 | G4LorentzVector newP4(newE, newPV); |
---|
610 | newP4.rotate(rotation, it); |
---|
611 | newP4*=aR->GetTrafoToLab(); |
---|
612 | theTotalResult->ProposeMomentumDirection(newP4.vect().unit()); |
---|
613 | } |
---|
614 | |
---|
615 | for(G4int i=0; i<aR->GetNumberOfSecondaries(); i++) |
---|
616 | { |
---|
617 | G4LorentzVector theM = aR->GetSecondary(i)->GetParticle()->Get4Momentum(); |
---|
618 | theM.rotate(rotation, it); |
---|
619 | theM*=aR->GetTrafoToLab(); |
---|
620 | /* |
---|
621 | if(go_wild(theM.e())) |
---|
622 | { |
---|
623 | G4Exception("G4HadronicProcess", "007", FatalException, |
---|
624 | "secondary track received NaN energy."); |
---|
625 | } |
---|
626 | if(go_wild(theM.x()) || |
---|
627 | go_wild(theM.y()) || |
---|
628 | go_wild(theM.z())) |
---|
629 | { |
---|
630 | G4Exception("G4HadronicProcess", "007", FatalException, |
---|
631 | "secondary track received NaN momentum."); |
---|
632 | } |
---|
633 | */ |
---|
634 | aR->GetSecondary(i)->GetParticle()->Set4Momentum(theM); |
---|
635 | G4double time = aR->GetSecondary(i)->GetTime(); |
---|
636 | if(time<0) time = aT.GetGlobalTime(); |
---|
637 | |
---|
638 | G4Track* track = new G4Track(aR->GetSecondary(i)->GetParticle(), |
---|
639 | time, |
---|
640 | aT.GetPosition()); |
---|
641 | |
---|
642 | G4double newWeight = aT.GetWeight()*aR->GetSecondary(i)->GetWeight(); |
---|
643 | //static G4double pinelcount=0; |
---|
644 | if(xBiasOn) newWeight *= XBiasSecondaryWeight(); |
---|
645 | // G4cout << "#### ParticleDebug " |
---|
646 | // <<GetProcessName()<<" " |
---|
647 | // <<aR->GetSecondary(i)->GetParticle()->GetDefinition()->GetParticleName()<<" " |
---|
648 | // <<aScaleFactor<<" " |
---|
649 | // <<XBiasSurvivalProbability()<<" " |
---|
650 | // <<XBiasSecondaryWeight()<<" " |
---|
651 | // <<aT.GetWeight()<<" " |
---|
652 | // <<aR->GetSecondary(i)->GetWeight()<<" " |
---|
653 | // <<aR->GetSecondary(i)->GetParticle()->Get4Momentum()<<" " |
---|
654 | // <<G4endl; |
---|
655 | track->SetWeight(newWeight); |
---|
656 | /* |
---|
657 | G4double trackDeb = track->GetKineticEnergy(); |
---|
658 | if( ( trackDeb<0 |
---|
659 | || (trackDeb>aT.GetKineticEnergy()+1*GeV) ) && getenv("GHADEnergyBalanceDebug") ) |
---|
660 | { |
---|
661 | G4cout << "Debugging hadronic processes: "<<track->GetKineticEnergy() |
---|
662 | <<" "<<aT.GetKineticEnergy() |
---|
663 | <<" "<<GetProcessName() |
---|
664 | <<" "<<aT.GetDefinition()->GetParticleName() |
---|
665 | <<G4endl; |
---|
666 | } |
---|
667 | */ |
---|
668 | track->SetTouchableHandle(aT.GetTouchableHandle()); |
---|
669 | theTotalResult->AddSecondary(track); |
---|
670 | } |
---|
671 | |
---|
672 | aR->Clear(); |
---|
673 | return; |
---|
674 | } |
---|
675 | |
---|
676 | G4IsoParticleChange* G4HadronicProcess::GetIsotopeProductionInfo() |
---|
677 | { |
---|
678 | G4IsoParticleChange * anIsoResult = theIsoResult; |
---|
679 | if(theIsoResult) theOldIsoResult = theIsoResult; |
---|
680 | theIsoResult = 0; |
---|
681 | return anIsoResult; |
---|
682 | } |
---|
683 | |
---|
684 | void G4HadronicProcess::BiasCrossSectionByFactor(G4double aScale) |
---|
685 | { |
---|
686 | xBiasOn = true; |
---|
687 | aScaleFactor = aScale; |
---|
688 | G4String it = GetProcessName(); |
---|
689 | if( (it != "PhotonInelastic") && |
---|
690 | (it != "ElectroNuclear") && |
---|
691 | (it != "PositronNuclear") ) |
---|
692 | { |
---|
693 | G4Exception("G4HadronicProcess", "007", FatalException, |
---|
694 | "Cross-section biasing available only for gamma and electro nuclear reactions."); |
---|
695 | } |
---|
696 | if(aScale<100) |
---|
697 | { |
---|
698 | G4Exception("G4HadronicProcess", "001", JustWarning, |
---|
699 | "Cross-section bias readjusted to be above safe limit. New value is 100"); |
---|
700 | aScaleFactor = 100.; |
---|
701 | } |
---|
702 | } |
---|
703 | /* end of file */ |
---|