[1197] | 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 | // $Id: G4VAdjointReverseReaction.cc,v 1.2 2009/11/20 10:31:20 ldesorgh Exp $ |
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[1337] | 27 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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[1197] | 28 | // |
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| 29 | #include "G4VAdjointReverseReaction.hh" |
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| 30 | #include "G4AdjointCSManager.hh" |
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| 31 | #include "G4AdjointCSMatrix.hh" |
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| 32 | #include "G4AdjointInterpolator.hh" |
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| 33 | #include "G4AdjointCSMatrix.hh" |
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| 34 | #include "G4VEmAdjointModel.hh" |
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| 35 | #include "G4ElementTable.hh" |
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| 36 | #include "G4Element.hh" |
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| 37 | #include "G4Material.hh" |
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| 38 | #include "G4MaterialCutsCouple.hh" |
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| 39 | #include "G4AdjointCSManager.hh" |
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| 40 | #include "G4ParticleChange.hh" |
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| 41 | #include "G4AdjointElectron.hh" |
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| 42 | |
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| 43 | |
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| 44 | G4VAdjointReverseReaction:: |
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| 45 | G4VAdjointReverseReaction(G4String process_name, G4bool whichScatCase): |
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| 46 | G4VDiscreteProcess(process_name) |
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| 47 | {theAdjointCSManager = G4AdjointCSManager::GetAdjointCSManager(); |
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| 48 | IsScatProjToProjCase=whichScatCase; |
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| 49 | fParticleChange=new G4ParticleChange(); |
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| 50 | |
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| 51 | } |
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| 52 | ////////////////////////////////////////////////////////////////////////////// |
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| 53 | // |
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| 54 | G4VAdjointReverseReaction:: |
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| 55 | ~G4VAdjointReverseReaction() |
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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 | void G4VAdjointReverseReaction::PreparePhysicsTable(const G4ParticleDefinition&) |
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| 61 | {; |
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| 62 | } |
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| 63 | ////////////////////////////////////////////////////////////////////////////// |
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| 64 | // |
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| 65 | void G4VAdjointReverseReaction::BuildPhysicsTable(const G4ParticleDefinition&) |
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| 66 | { |
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| 67 | |
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| 68 | theAdjointCSManager->BuildCrossSectionMatrices(); //do not worry it will be done just once |
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| 69 | theAdjointCSManager->BuildTotalSigmaTables(); |
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| 70 | |
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| 71 | } |
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| 72 | ////////////////////////////////////////////////////////////////////////////// |
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| 73 | // |
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| 74 | G4VParticleChange* G4VAdjointReverseReaction::PostStepDoIt(const G4Track& track, const G4Step& ) |
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| 75 | { |
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| 76 | |
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| 77 | |
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| 78 | |
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| 79 | fParticleChange->Initialize(track); |
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| 80 | |
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| 81 | /* if (IsFwdCSUsed && IsIntegralModeUsed){ //INtegral mode still unstable |
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| 82 | G4double Tkin = step.GetPostStepPoint()->GetKineticEnergy(); |
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| 83 | G4double fwdCS = theAdjointCSManager->GetTotalForwardCS(track.GetDefinition(), Tkin, track.GetMaterialCutsCouple()); |
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| 84 | //G4cout<<"lastCS "<<lastCS<<G4endl; |
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| 85 | if (fwdCS<lastCS*G4UniformRand()) { // the reaction does not take place, same integral method as the one used for forward ionisation in G4 |
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| 86 | ClearNumberOfInteractionLengthLeft(); |
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| 87 | return fParticleChange; |
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| 88 | } |
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| 89 | |
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| 90 | } |
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| 91 | */ |
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| 92 | |
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| 93 | theAdjointEMModel->SampleSecondaries(track, |
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| 94 | IsScatProjToProjCase, |
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| 95 | fParticleChange); |
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| 96 | |
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| 97 | ClearNumberOfInteractionLengthLeft(); |
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| 98 | return fParticleChange; |
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| 99 | |
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| 100 | |
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| 101 | |
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| 102 | } |
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| 103 | ////////////////////////////////////////////////////////////////////////////// |
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| 104 | // |
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| 105 | G4double G4VAdjointReverseReaction::GetMeanFreePath(const G4Track& track, |
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| 106 | G4double , |
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| 107 | G4ForceCondition* condition) |
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| 108 | { *condition = NotForced; |
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| 109 | G4double preStepKinEnergy = track.GetKineticEnergy(); |
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| 110 | |
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| 111 | G4double Sigma = |
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| 112 | theAdjointEMModel->AdjointCrossSection(track.GetMaterialCutsCouple(),preStepKinEnergy,IsScatProjToProjCase); |
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| 113 | |
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| 114 | G4double fwd_TotCS; |
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| 115 | Sigma *= theAdjointCSManager->GetCrossSectionCorrection(track.GetDefinition(),preStepKinEnergy,track.GetMaterialCutsCouple(),IsFwdCSUsed, fwd_TotCS); |
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| 116 | //G4cout<<fwd_TotCS<<G4endl; |
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| 117 | /*if (IsFwdCSUsed && IsIntegralModeUsed){ //take the maximum cross section only for charged particle |
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| 118 | G4double e_sigma_max, sigma_max; |
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| 119 | theAdjointCSManager->GetMaxFwdTotalCS(track.GetDefinition(), |
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| 120 | track.GetMaterialCutsCouple(), e_sigma_max, sigma_max); |
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| 121 | if (e_sigma_max > preStepKinEnergy){ |
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| 122 | Sigma*=sigma_max/fwd_TotCS; |
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| 123 | } |
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| 124 | } |
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| 125 | */ |
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| 126 | |
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| 127 | G4double mean_free_path = 1.e60 *mm; |
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| 128 | if (Sigma>0) mean_free_path = 1./Sigma; |
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| 129 | lastCS=Sigma; |
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| 130 | |
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| 131 | /*G4cout<<"Sigma "<<Sigma<<G4endl; |
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| 132 | G4cout<<"mean_free_path [mm] "<<mean_free_path/mm<<G4endl; |
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| 133 | */ |
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| 134 | |
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| 135 | |
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| 136 | return mean_free_path; |
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| 137 | } |
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| 138 | |
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