[819] | 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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