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 | #include "G4GeneratorPrecompoundInterface.hh" |
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27 | #include "G4DynamicParticleVector.hh" |
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28 | #include "G4IonTable.hh" |
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29 | |
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30 | // |
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31 | // HPW, 10DEC 98, the decay part originally written by Gunter Folger in his FTF-test-program. |
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32 | // |
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33 | |
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34 | G4HadFinalState* G4GeneratorPrecompoundInterface:: |
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35 | ApplyYourself(const G4HadProjectile &, G4Nucleus & ) |
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36 | { |
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37 | std::cout << "G4GeneratorPrecompoundInterface: ApplyYourself interface called stand-allone."<< G4endl; |
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38 | std::cout << "This class is only a mediator between generator and precompound"<<G4endl; |
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39 | std::cout << "Please remove from your physics list."<<G4endl; |
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40 | throw G4HadronicException(__FILE__, __LINE__, "SEVERE: G4GeneratorPrecompoundInterface model interface called stand-allone."); |
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41 | return new G4HadFinalState; |
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42 | } |
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43 | |
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44 | G4ReactionProductVector* G4GeneratorPrecompoundInterface:: |
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45 | Propagate(G4KineticTrackVector* theSecondaries, G4V3DNucleus* theNucleus) |
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46 | { |
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47 | G4ReactionProductVector * theTotalResult = new G4ReactionProductVector; |
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48 | |
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49 | // decay the strong resonances |
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50 | G4KineticTrackVector *result1, *secondaries, *result; |
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51 | result1=theSecondaries; |
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52 | result=new G4KineticTrackVector(); |
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53 | |
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54 | for (unsigned int aResult=0; aResult < result1->size(); aResult++) |
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55 | { |
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56 | G4ParticleDefinition * pdef; |
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57 | pdef=result1->operator[](aResult)->GetDefinition(); |
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58 | secondaries=NULL; |
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59 | if ( pdef->IsShortLived() ) |
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60 | { |
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61 | secondaries = result1->operator[](aResult)->Decay(); |
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62 | } |
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63 | if ( secondaries == NULL ) |
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64 | { |
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65 | result->push_back(result1->operator[](aResult)); |
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66 | result1->operator[](aResult)=NULL; //protect for clearAndDestroy |
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67 | } |
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68 | else |
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69 | { |
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70 | for (unsigned int aSecondary=0; aSecondary<secondaries->size(); aSecondary++) |
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71 | { |
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72 | result1->push_back(secondaries->operator[](aSecondary)); |
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73 | } |
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74 | delete secondaries; |
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75 | } |
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76 | } |
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77 | std::for_each(result1->begin(), result1->end(), DeleteKineticTrack()); |
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78 | delete result1; |
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79 | |
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80 | |
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81 | |
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82 | // prepare the fragment |
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83 | G4Fragment anInitialState; |
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84 | G4int anA=theNucleus->GetMassNumber(); |
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85 | G4int aZ=theNucleus->GetCharge(); |
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86 | G4int numberOfEx = 0; |
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87 | G4int numberOfCh = 0; |
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88 | G4int numberOfHoles = 0; |
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89 | G4double exEnergy = 0; |
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90 | G4ThreeVector exciton3Momentum(0,0,0); |
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91 | // loop over secondaries |
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92 | for(unsigned int list=0; list < result->size(); list++) |
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93 | { |
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94 | G4KineticTrack *aTrack = result->operator[](list); |
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95 | if(aTrack->GetDefinition() != G4Proton::Proton() && |
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96 | aTrack->GetDefinition() != G4Neutron::Neutron()) |
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97 | { |
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98 | G4ReactionProduct * theNew = new G4ReactionProduct(aTrack->GetDefinition()); |
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99 | theNew->SetMomentum(aTrack->Get4Momentum().vect()); |
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100 | theNew->SetTotalEnergy(aTrack->Get4Momentum().e()); |
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101 | theTotalResult->push_back(theNew); |
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102 | } |
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103 | else if(aTrack->Get4Momentum().t() - aTrack->Get4Momentum().mag()>80*MeV) |
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104 | { |
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105 | G4ReactionProduct * theNew = new G4ReactionProduct(aTrack->GetDefinition()); |
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106 | theNew->SetMomentum(aTrack->Get4Momentum().vect()); |
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107 | theNew->SetTotalEnergy(aTrack->Get4Momentum().e()); |
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108 | theTotalResult->push_back(theNew); |
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109 | } |
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110 | else if(aTrack->GetPosition().mag() > theNucleus->GetNuclearRadius()) |
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111 | { |
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112 | G4ReactionProduct * theNew = new G4ReactionProduct(aTrack->GetDefinition()); |
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113 | theNew->SetMomentum(aTrack->Get4Momentum().vect()); |
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114 | theNew->SetTotalEnergy(aTrack->Get4Momentum().e()); |
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115 | theTotalResult->push_back(theNew); |
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116 | } |
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117 | else |
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118 | { |
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119 | // within the nucleus, neutron or proton |
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120 | // now calculate A, Z of the fragment, momentum, number of exciton states |
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121 | anA++;; |
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122 | numberOfEx++; |
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123 | aZ += G4int(aTrack->GetDefinition()->GetPDGCharge()); |
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124 | numberOfCh += G4int(aTrack->GetDefinition()->GetPDGCharge()); |
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125 | exciton3Momentum += aTrack->Get4Momentum().vect(); |
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126 | exEnergy += (aTrack->Get4Momentum().t()-aTrack->Get4Momentum().m()); |
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127 | } |
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128 | } |
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129 | |
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130 | // loop over wounded nucleus |
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131 | G4Nucleon * theCurrentNucleon = theNucleus->StartLoop() ? theNucleus->GetNextNucleon() : NULL; |
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132 | while(theCurrentNucleon != NULL) |
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133 | { |
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134 | if(theCurrentNucleon->AreYouHit()) |
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135 | { |
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136 | numberOfHoles++; |
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137 | numberOfEx++; |
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138 | anA--; |
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139 | aZ -= G4int(theCurrentNucleon->GetDefinition()->GetPDGCharge()); |
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140 | exciton3Momentum -= theCurrentNucleon->Get4Momentum().vect(); |
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141 | exEnergy+=theCurrentNucleon->GetBindingEnergy(); |
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142 | } |
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143 | theCurrentNucleon = theNucleus->GetNextNucleon(); |
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144 | } |
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145 | |
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146 | if(!theDeExcitation) |
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147 | { |
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148 | // throw G4HadronicException(__FILE__, __LINE__, "Please register an evaporation phase with G4GeneratorPrecompoundInterface."); |
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149 | } |
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150 | else if(0!=anA && 0!=aZ) |
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151 | { |
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152 | G4double residualMass = |
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153 | G4ParticleTable::GetParticleTable()->GetIonTable()->GetIonMass(aZ ,anA); |
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154 | residualMass += exEnergy; |
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155 | G4LorentzVector exciton4Momentum(exciton3Momentum, |
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156 | std::sqrt(exciton3Momentum.mag2()+residualMass*residualMass)); |
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157 | |
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158 | anInitialState.SetA(anA); |
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159 | anInitialState.SetZ(aZ); |
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160 | anInitialState.SetNumberOfParticles(numberOfEx-numberOfHoles); |
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161 | anInitialState.SetNumberOfCharged(numberOfCh); |
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162 | anInitialState.SetNumberOfHoles(numberOfHoles); |
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163 | anInitialState.SetMomentum(exciton4Momentum); |
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164 | // anInitialState.SetExcitationEnergy(exEnergy); // now a redundant call. |
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165 | |
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166 | // call pre-compound |
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167 | const G4Fragment aFragment(anInitialState); |
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168 | G4ReactionProductVector * aPreResult = theDeExcitation->DeExcite(aFragment); |
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169 | // G4ReactionProductVector * aPreResult = new G4ReactionProductVector; |
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170 | // fill pre-compound part into the result, and return |
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171 | for(unsigned int ll=0; ll<aPreResult->size(); ll++) |
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172 | { |
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173 | theTotalResult->push_back(aPreResult->operator[](ll)); |
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174 | } |
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175 | delete aPreResult; |
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176 | } |
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177 | else |
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178 | { |
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179 | // throw G4HadronicException(__FILE__, __LINE__, "Please register an evaporation phase with G4GeneratorPrecompoundInterface."); |
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180 | } |
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181 | // now return |
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182 | |
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183 | std::for_each(result->begin(), result->end(), DeleteKineticTrack()); |
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184 | delete result; |
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185 | return theTotalResult; |
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186 | } |
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187 | |
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