| 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 "G4AdjointAlongStepWeightCorrection.hh"
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| 27 | #include "G4Step.hh"
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| 28 | #include "G4ParticleDefinition.hh"
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| 29 | #include "G4VParticleChange.hh"
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| 30 | #include "G4AdjointCSManager.hh"
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| 31 |
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| 32 |
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| 33 | ///////////////////////////////////////////////////////
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| 34 | //
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| 35 |
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| 36 | G4AdjointAlongStepWeightCorrection::G4AdjointAlongStepWeightCorrection(const G4String& name,
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| 37 | G4ProcessType type): G4VContinuousProcess(name, type)
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| 38 | {fParticleChange = new G4ParticleChange();
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| 39 | }
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| 40 |
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| 41 | ///////////////////////////////////////////////////////
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| 42 | //
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| 43 |
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| 44 | G4AdjointAlongStepWeightCorrection::~G4AdjointAlongStepWeightCorrection()
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| 45 | {;
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| 46 | }
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| 47 |
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| 48 |
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| 49 | ///////////////////////////////////////////////////////
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| 50 | //
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| 51 |
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| 52 | void G4AdjointAlongStepWeightCorrection::PreparePhysicsTable(
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| 53 | const G4ParticleDefinition& )
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| 54 | {
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| 55 | ;
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| 56 |
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| 57 | }
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| 58 |
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| 59 | ///////////////////////////////////////////////////////
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| 60 | //
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| 61 |
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| 62 | void G4AdjointAlongStepWeightCorrection::BuildPhysicsTable(const G4ParticleDefinition& )
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| 63 | {;
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| 64 | }
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| 65 |
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| 66 |
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| 67 |
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| 68 |
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| 69 | ///////////////////////////////////////////////////////
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| 70 | //
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| 71 | G4VParticleChange* G4AdjointAlongStepWeightCorrection::AlongStepDoIt(const G4Track& track,
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| 72 | const G4Step& step)
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| 73 | {
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| 74 |
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| 75 | fParticleChange->Initialize(track);
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| 76 |
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| 77 | // Get the actual (true) Step length
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| 78 | //----------------------------------
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| 79 | G4double length = step.GetStepLength();
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| 80 |
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| 81 |
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| 82 | G4double Tkin = step.GetPostStepPoint()->GetKineticEnergy();
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| 83 | G4ParticleDefinition* thePartDef= const_cast<G4ParticleDefinition*> (track.GetDynamicParticle()->GetDefinition());
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| 84 | G4double weight_correction=G4AdjointCSManager::GetAdjointCSManager()->GetContinuousWeightCorrection(thePartDef,
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| 85 | preStepKinEnergy,Tkin, currentCouple,length);
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| 86 |
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| 87 |
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| 88 |
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| 89 | G4double new_weight=weight_correction*track.GetWeight();
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| 90 | fParticleChange->SetParentWeightByProcess(false);
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| 91 | fParticleChange->SetSecondaryWeightByProcess(false);
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| 92 | fParticleChange->ProposeParentWeight(new_weight);
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| 93 |
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| 94 |
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| 95 | return fParticleChange;
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| 96 |
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| 97 | }
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