[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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[1007] | 26 | // $Id: G4MuPairProduction.cc,v 1.51 2008/10/16 13:37:04 vnivanch Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-02 $ |
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[819] | 28 | // |
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| 29 | // ------------------------------------------------------------------- |
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| 30 | // |
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| 31 | // GEANT4 Class file |
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| 32 | // |
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| 33 | // |
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| 34 | // File name: G4MuPairProduction |
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| 35 | // |
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| 36 | // Author: Laszlo Urban |
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| 37 | // |
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| 38 | // Creation date: 30.05.1998 |
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| 39 | // |
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| 40 | // Modifications: |
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| 41 | // |
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| 42 | // 04-06-98 in DoIt,secondary production condition: |
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| 43 | // range>std::min(threshold,safety) |
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| 44 | // 26-10-98 new stuff from R. Kokoulin + cleanup , L.Urban |
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| 45 | // 06-05-99 bug fixed , L.Urban |
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| 46 | // 10-02-00 modifications+bug fix , new e.m. structure, L.Urban |
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| 47 | // 29-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation |
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| 48 | // 10-08-01 new methods Store/Retrieve PhysicsTable (mma) |
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| 49 | // 17-09-01 migration of Materials to pure STL (mma) |
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| 50 | // 20-09-01 (L.Urban) in ComputeMicroscopicCrossSection, remove: |
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| 51 | // if(MaxPairEnergy<CutInPairEnergy) MaxPairEnergy=CutInPairEnergy |
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| 52 | // 26-09-01 completion of store/retrieve PhysicsTable |
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| 53 | // 28-09-01 suppression of theMuonPlus ..etc..data members (mma) |
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| 54 | // 29-10-01 all static functions no more inlined (mma) |
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| 55 | // 07-11-01 particleMass becomes a local variable (mma) |
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| 56 | // 19-08-02 V.Ivanchenko update to new design |
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| 57 | // 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko) |
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| 58 | // 26-12-02 Secondary production moved to derived classes (V.Ivanchenko) |
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| 59 | // 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko) |
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| 60 | // 08-08-03 STD substitute standard (V.Ivanchenko) |
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| 61 | // 27-09-03 e+ set to be a secondary particle (V.Ivanchenko) |
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| 62 | // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko) |
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| 63 | // 10-02-04 Add lowestKinEnergy (V.Ivanchenko) |
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| 64 | // 17-08-04 Utilise mu+ tables for mu- (V.Ivanchenko) |
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| 65 | // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko) |
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| 66 | // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko) |
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| 67 | // |
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| 68 | // ------------------------------------------------------------------- |
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| 69 | // |
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| 70 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 71 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 72 | |
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| 73 | #include "G4MuPairProduction.hh" |
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| 74 | #include "G4Electron.hh" |
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| 75 | #include "G4Positron.hh" |
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| 76 | #include "G4MuonPlus.hh" |
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| 77 | #include "G4MuonMinus.hh" |
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| 78 | #include "G4MuPairProductionModel.hh" |
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| 79 | #include "G4UniversalFluctuation.hh" |
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| 80 | |
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| 81 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 82 | |
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| 83 | using namespace std; |
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| 84 | |
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| 85 | G4MuPairProduction::G4MuPairProduction(const G4String& name) |
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| 86 | : G4VEnergyLossProcess(name), |
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| 87 | theParticle(0), |
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| 88 | theBaseParticle(0), |
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| 89 | lowestKinEnergy(1.*GeV), |
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| 90 | isInitialised(false) |
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[961] | 91 | { |
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| 92 | SetProcessSubType(fPairProdByCharged); |
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| 93 | } |
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[819] | 94 | |
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| 95 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 96 | |
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| 97 | G4MuPairProduction::~G4MuPairProduction() |
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| 98 | {} |
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| 99 | |
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| 100 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 101 | |
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[961] | 102 | void G4MuPairProduction::InitialiseEnergyLossProcess( |
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| 103 | const G4ParticleDefinition* part, |
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| 104 | const G4ParticleDefinition*) |
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| 105 | { |
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[819] | 106 | if (!isInitialised) { |
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| 107 | isInitialised = true; |
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| 108 | |
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| 109 | theParticle = part; |
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| 110 | SetSecondaryParticle(G4Positron::Positron()); |
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| 111 | SetIonisation(false); |
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| 112 | |
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| 113 | G4MuPairProductionModel* em = new G4MuPairProductionModel(); |
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| 114 | em->SetLowestKineticEnergy(lowestKinEnergy); |
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[961] | 115 | G4VEmFluctuationModel* fm = 0; |
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| 116 | em->SetLowEnergyLimit(MinKinEnergy()); |
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| 117 | em->SetHighEnergyLimit(MaxKinEnergy()); |
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[819] | 118 | AddEmModel(1, em, fm); |
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| 119 | } |
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| 120 | } |
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| 121 | |
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| 122 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 123 | |
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| 124 | void G4MuPairProduction::PrintInfo() |
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[961] | 125 | {} |
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[819] | 126 | |
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| 127 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 128 | |
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| 129 | |
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| 131 | |
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