[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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[1340] | 26 | // $Id: G4VEmProcess.cc,v 1.88 2010/08/17 17:36:59 vnivanch Exp $ |
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| 27 | // GEANT4 tag $Name: emutils-V09-03-23 $ |
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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: G4VEmProcess |
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| 35 | // |
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| 36 | // Author: Vladimir Ivanchenko on base of Laszlo Urban code |
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| 37 | // |
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| 38 | // Creation date: 01.10.2003 |
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| 39 | // |
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| 40 | // Modifications: |
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| 41 | // 30-06-04 make it to be pure discrete process (V.Ivanchenko) |
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| 42 | // 30-09-08 optimise integral option (V.Ivanchenko) |
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| 43 | // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivanchenko) |
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| 44 | // 11-03-05 Shift verbose level by 1, add applyCuts and killPrimary flags (VI) |
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| 45 | // 14-03-05 Update logic PostStepDoIt (V.Ivanchenko) |
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| 46 | // 08-04-05 Major optimisation of internal interfaces (V.Ivanchenko) |
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| 47 | // 18-04-05 Use G4ParticleChangeForGamma (V.Ivanchenko) |
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| 48 | // 25-07-05 Add protection: integral mode only for charged particles (VI) |
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| 49 | // 04-09-05 default lambdaFactor 0.8 (V.Ivanchenko) |
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| 50 | // 11-01-06 add A to parameters of ComputeCrossSectionPerAtom (VI) |
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| 51 | // 12-09-06 add SetModel() (mma) |
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| 52 | // 12-04-07 remove double call to Clear model manager (V.Ivanchenko) |
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| 53 | // 27-10-07 Virtual functions moved to source (V.Ivanchenko) |
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[1196] | 54 | // 24-06-09 Removed hidden bin in G4PhysicsVector (V.Ivanchenko) |
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[1315] | 55 | // 17-02-10 Added pointer currentParticle (VI) |
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[819] | 56 | // |
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| 57 | // Class Description: |
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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 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 63 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 64 | |
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| 65 | #include "G4VEmProcess.hh" |
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| 66 | #include "G4LossTableManager.hh" |
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| 67 | #include "G4Step.hh" |
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| 68 | #include "G4ParticleDefinition.hh" |
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| 69 | #include "G4VEmModel.hh" |
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| 70 | #include "G4DataVector.hh" |
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| 71 | #include "G4PhysicsTable.hh" |
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| 72 | #include "G4PhysicsVector.hh" |
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| 73 | #include "G4PhysicsLogVector.hh" |
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| 74 | #include "G4VParticleChange.hh" |
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| 75 | #include "G4ProductionCutsTable.hh" |
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| 76 | #include "G4Region.hh" |
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| 77 | #include "G4RegionStore.hh" |
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| 78 | #include "G4Gamma.hh" |
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| 79 | #include "G4Electron.hh" |
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| 80 | #include "G4Positron.hh" |
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| 81 | #include "G4PhysicsTableHelper.hh" |
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[1055] | 82 | #include "G4EmConfigurator.hh" |
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[819] | 83 | |
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| 84 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 85 | |
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| 86 | G4VEmProcess::G4VEmProcess(const G4String& name, G4ProcessType type): |
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[961] | 87 | G4VDiscreteProcess(name, type), |
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| 88 | secondaryParticle(0), |
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| 89 | buildLambdaTable(true), |
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[819] | 90 | theLambdaTable(0), |
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| 91 | theEnergyOfCrossSectionMax(0), |
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| 92 | theCrossSectionMax(0), |
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| 93 | integral(false), |
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| 94 | applyCuts(false), |
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| 95 | startFromNull(true), |
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[1055] | 96 | useDeexcitation(false), |
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| 97 | nDERegions(0), |
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| 98 | idxDERegions(0), |
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| 99 | currentModel(0), |
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[961] | 100 | particle(0), |
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[1315] | 101 | currentParticle(0), |
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[961] | 102 | currentCouple(0) |
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[819] | 103 | { |
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| 104 | SetVerboseLevel(1); |
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[961] | 105 | |
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| 106 | // Size of tables assuming spline |
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[819] | 107 | minKinEnergy = 0.1*keV; |
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[1055] | 108 | maxKinEnergy = 10.0*TeV; |
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| 109 | nLambdaBins = 77; |
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[961] | 110 | |
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| 111 | // default lambda factor |
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| 112 | lambdaFactor = 0.8; |
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| 113 | |
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| 114 | // default limit on polar angle |
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| 115 | polarAngleLimit = 0.0; |
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| 116 | |
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| 117 | // particle types |
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[819] | 118 | theGamma = G4Gamma::Gamma(); |
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| 119 | theElectron = G4Electron::Electron(); |
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| 120 | thePositron = G4Positron::Positron(); |
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| 121 | |
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| 122 | pParticleChange = &fParticleChange; |
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| 123 | secParticles.reserve(5); |
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| 124 | |
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| 125 | modelManager = new G4EmModelManager(); |
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| 126 | (G4LossTableManager::Instance())->Register(this); |
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| 127 | } |
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| 128 | |
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| 129 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 130 | |
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| 131 | G4VEmProcess::~G4VEmProcess() |
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| 132 | { |
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| 133 | if(1 < verboseLevel) |
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| 134 | G4cout << "G4VEmProcess destruct " << GetProcessName() |
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| 135 | << G4endl; |
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| 136 | Clear(); |
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| 137 | if(theLambdaTable) { |
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| 138 | theLambdaTable->clearAndDestroy(); |
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| 139 | delete theLambdaTable; |
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| 140 | } |
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| 141 | delete modelManager; |
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| 142 | (G4LossTableManager::Instance())->DeRegister(this); |
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| 143 | } |
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| 144 | |
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| 145 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 146 | |
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[1055] | 147 | void G4VEmProcess::Clear() |
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| 148 | { |
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| 149 | delete [] theEnergyOfCrossSectionMax; |
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| 150 | delete [] theCrossSectionMax; |
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| 151 | delete [] idxDERegions; |
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| 152 | theEnergyOfCrossSectionMax = 0; |
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| 153 | theCrossSectionMax = 0; |
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| 154 | idxDERegions = 0; |
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| 155 | currentCouple = 0; |
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| 156 | preStepLambda = 0.0; |
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| 157 | mfpKinEnergy = DBL_MAX; |
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| 158 | deRegions.clear(); |
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| 159 | nDERegions = 0; |
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| 160 | } |
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| 161 | |
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| 162 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 163 | |
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| 164 | void G4VEmProcess::AddEmModel(G4int order, G4VEmModel* p, |
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| 165 | const G4Region* region) |
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| 166 | { |
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| 167 | G4VEmFluctuationModel* fm = 0; |
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| 168 | modelManager->AddEmModel(order, p, fm, region); |
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[1315] | 169 | if(p) { p->SetParticleChange(pParticleChange); } |
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[1055] | 170 | } |
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| 171 | |
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| 172 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 173 | |
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| 174 | void G4VEmProcess::SetModel(G4VEmModel* p, G4int index) |
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| 175 | { |
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| 176 | G4int n = emModels.size(); |
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[1196] | 177 | if(index >= n) { for(G4int i=n; i<=index; ++i) {emModels.push_back(0);} } |
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[1055] | 178 | emModels[index] = p; |
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| 179 | } |
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| 180 | |
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| 181 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 182 | |
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| 183 | G4VEmModel* G4VEmProcess::Model(G4int index) |
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| 184 | { |
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| 185 | G4VEmModel* p = 0; |
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[1196] | 186 | if(index >= 0 && index < G4int(emModels.size())) { p = emModels[index]; } |
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[1055] | 187 | return p; |
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| 188 | } |
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| 189 | |
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| 190 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 191 | |
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| 192 | void G4VEmProcess::UpdateEmModel(const G4String& nam, |
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| 193 | G4double emin, G4double emax) |
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| 194 | { |
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| 195 | modelManager->UpdateEmModel(nam, emin, emax); |
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| 196 | } |
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| 197 | |
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| 198 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 199 | |
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| 200 | G4VEmModel* G4VEmProcess::GetModelByIndex(G4int idx, G4bool ver) |
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| 201 | { |
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| 202 | return modelManager->GetModel(idx, ver); |
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| 203 | } |
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| 204 | |
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| 205 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 206 | |
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[819] | 207 | void G4VEmProcess::PreparePhysicsTable(const G4ParticleDefinition& part) |
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| 208 | { |
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[1315] | 209 | if(!particle) { SetParticle(&part); } |
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[819] | 210 | if(1 < verboseLevel) { |
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| 211 | G4cout << "G4VEmProcess::PreparePhysicsTable() for " |
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| 212 | << GetProcessName() |
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| 213 | << " and particle " << part.GetParticleName() |
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| 214 | << " local particle " << particle->GetParticleName() |
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| 215 | << G4endl; |
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| 216 | } |
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| 217 | |
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[1315] | 218 | (G4LossTableManager::Instance())->PreparePhysicsTable(&part, this); |
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[1055] | 219 | |
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[819] | 220 | if(particle == &part) { |
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| 221 | Clear(); |
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| 222 | InitialiseProcess(particle); |
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[1196] | 223 | |
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| 224 | // initialisation of models |
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| 225 | G4int nmod = modelManager->NumberOfModels(); |
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| 226 | for(G4int i=0; i<nmod; ++i) { |
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| 227 | G4VEmModel* mod = modelManager->GetModel(i); |
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| 228 | mod->SetPolarAngleLimit(polarAngleLimit); |
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| 229 | if(mod->HighEnergyLimit() > maxKinEnergy) { |
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| 230 | mod->SetHighEnergyLimit(maxKinEnergy); |
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| 231 | } |
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| 232 | } |
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| 233 | |
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[1315] | 234 | theCuts = modelManager->Initialise(particle,secondaryParticle, |
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| 235 | 2.,verboseLevel); |
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[819] | 236 | const G4ProductionCutsTable* theCoupleTable= |
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| 237 | G4ProductionCutsTable::GetProductionCutsTable(); |
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| 238 | theCutsGamma = theCoupleTable->GetEnergyCutsVector(idxG4GammaCut); |
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| 239 | theCutsElectron = theCoupleTable->GetEnergyCutsVector(idxG4ElectronCut); |
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| 240 | theCutsPositron = theCoupleTable->GetEnergyCutsVector(idxG4PositronCut); |
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[1196] | 241 | |
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| 242 | // prepare tables |
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[1055] | 243 | if(buildLambdaTable){ |
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[819] | 244 | theLambdaTable = G4PhysicsTableHelper::PreparePhysicsTable(theLambdaTable); |
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[1055] | 245 | } |
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[819] | 246 | } |
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[1315] | 247 | // Deexcitation |
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[1055] | 248 | if (nDERegions>0) { |
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[819] | 249 | |
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[1055] | 250 | const G4ProductionCutsTable* theCoupleTable= |
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| 251 | G4ProductionCutsTable::GetProductionCutsTable(); |
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| 252 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
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[819] | 253 | |
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[1055] | 254 | idxDERegions = new G4bool[numOfCouples]; |
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| 255 | |
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[1196] | 256 | for (size_t j=0; j<numOfCouples; ++j) { |
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[1055] | 257 | |
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| 258 | const G4MaterialCutsCouple* couple = |
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| 259 | theCoupleTable->GetMaterialCutsCouple(j); |
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| 260 | const G4ProductionCuts* pcuts = couple->GetProductionCuts(); |
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| 261 | G4bool reg = false; |
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[1196] | 262 | for(G4int i=0; i<nDERegions; ++i) { |
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[1055] | 263 | if(deRegions[i]) { |
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| 264 | if(pcuts == deRegions[i]->GetProductionCuts()) reg = true; |
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| 265 | } |
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| 266 | } |
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| 267 | idxDERegions[j] = reg; |
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| 268 | } |
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| 269 | } |
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| 270 | if (1 < verboseLevel && nDERegions>0) { |
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| 271 | G4cout << " Deexcitation is activated for regions: " << G4endl; |
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[1196] | 272 | for (G4int i=0; i<nDERegions; ++i) { |
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[1055] | 273 | const G4Region* r = deRegions[i]; |
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| 274 | G4cout << " " << r->GetName() << G4endl; |
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| 275 | } |
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| 276 | } |
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[819] | 277 | } |
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| 278 | |
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| 279 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 280 | |
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| 281 | void G4VEmProcess::BuildPhysicsTable(const G4ParticleDefinition& part) |
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| 282 | { |
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[1196] | 283 | G4String partname = part.GetParticleName(); |
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[819] | 284 | if(1 < verboseLevel) { |
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| 285 | G4cout << "G4VEmProcess::BuildPhysicsTable() for " |
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| 286 | << GetProcessName() |
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[1196] | 287 | << " and particle " << partname |
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[819] | 288 | << " buildLambdaTable= " << buildLambdaTable |
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| 289 | << G4endl; |
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| 290 | } |
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| 291 | |
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[1315] | 292 | (G4LossTableManager::Instance())->BuildPhysicsTable(particle); |
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[819] | 293 | if(buildLambdaTable) { |
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| 294 | BuildLambdaTable(); |
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| 295 | FindLambdaMax(); |
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| 296 | } |
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| 297 | |
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[1196] | 298 | // reduce printout for nuclear stopping |
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| 299 | G4bool gproc = true; |
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[1315] | 300 | G4int st = GetProcessSubType(); |
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| 301 | if(st == fCoulombScattering && part.GetParticleType() == "nucleus" && |
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[1196] | 302 | partname != "GenericIon" && partname != "alpha") { gproc = false; } |
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| 303 | |
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| 304 | if(gproc && 0 < verboseLevel) { PrintInfoDefinition(); } |
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| 305 | |
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[819] | 306 | if(1 < verboseLevel) { |
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| 307 | G4cout << "G4VEmProcess::BuildPhysicsTable() done for " |
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| 308 | << GetProcessName() |
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[1196] | 309 | << " and particle " << partname |
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[819] | 310 | << G4endl; |
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| 311 | } |
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| 312 | } |
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| 313 | |
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| 314 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 315 | |
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| 316 | void G4VEmProcess::BuildLambdaTable() |
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| 317 | { |
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| 318 | if(1 < verboseLevel) { |
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| 319 | G4cout << "G4EmProcess::BuildLambdaTable() for process " |
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| 320 | << GetProcessName() << " and particle " |
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| 321 | << particle->GetParticleName() |
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| 322 | << G4endl; |
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| 323 | } |
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| 324 | |
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| 325 | // Access to materials |
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| 326 | const G4ProductionCutsTable* theCoupleTable= |
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| 327 | G4ProductionCutsTable::GetProductionCutsTable(); |
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| 328 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
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| 329 | |
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[1196] | 330 | G4bool splineFlag = (G4LossTableManager::Instance())->SplineFlag(); |
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| 331 | |
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| 332 | G4PhysicsLogVector* aVector = 0; |
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| 333 | G4PhysicsLogVector* bVector = 0; |
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| 334 | |
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| 335 | for(size_t i=0; i<numOfCouples; ++i) { |
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| 336 | |
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[819] | 337 | if (theLambdaTable->GetFlag(i)) { |
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| 338 | |
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| 339 | // create physics vector and fill it |
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[1196] | 340 | const G4MaterialCutsCouple* couple = |
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| 341 | theCoupleTable->GetMaterialCutsCouple(i); |
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| 342 | if(!bVector) { |
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| 343 | aVector = |
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| 344 | static_cast<G4PhysicsLogVector*>(LambdaPhysicsVector(couple)); |
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| 345 | bVector = aVector; |
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| 346 | } else { |
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| 347 | aVector = new G4PhysicsLogVector(*bVector); |
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| 348 | } |
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| 349 | // G4PhysicsVector* aVector = LambdaPhysicsVector(couple); |
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| 350 | aVector->SetSpline(splineFlag); |
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[819] | 351 | modelManager->FillLambdaVector(aVector, couple, startFromNull); |
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[1196] | 352 | if(splineFlag) aVector->FillSecondDerivatives(); |
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[819] | 353 | G4PhysicsTableHelper::SetPhysicsVector(theLambdaTable, i, aVector); |
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| 354 | } |
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| 355 | } |
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| 356 | |
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| 357 | if(1 < verboseLevel) { |
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| 358 | G4cout << "Lambda table is built for " |
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| 359 | << particle->GetParticleName() |
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| 360 | << G4endl; |
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| 361 | } |
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| 362 | } |
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| 363 | |
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| 364 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 365 | |
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[1055] | 366 | void G4VEmProcess::PrintInfoDefinition() |
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| 367 | { |
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| 368 | if(verboseLevel > 0) { |
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| 369 | G4cout << G4endl << GetProcessName() << ": for " |
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| 370 | << particle->GetParticleName(); |
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| 371 | if(integral) G4cout << ", integral: 1 "; |
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| 372 | if(applyCuts) G4cout << ", applyCuts: 1 "; |
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| 373 | G4cout << " SubType= " << GetProcessSubType() << G4endl; |
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| 374 | if(buildLambdaTable) { |
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| 375 | G4cout << " Lambda tables from " |
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| 376 | << G4BestUnit(minKinEnergy,"Energy") |
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| 377 | << " to " |
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| 378 | << G4BestUnit(maxKinEnergy,"Energy") |
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| 379 | << " in " << nLambdaBins << " bins, spline: " |
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| 380 | << (G4LossTableManager::Instance())->SplineFlag() |
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| 381 | << G4endl; |
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| 382 | } |
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| 383 | PrintInfo(); |
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| 384 | modelManager->DumpModelList(verboseLevel); |
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| 385 | } |
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| 386 | |
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| 387 | if(verboseLevel > 2 && buildLambdaTable) { |
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| 388 | G4cout << " LambdaTable address= " << theLambdaTable << G4endl; |
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[1315] | 389 | if(theLambdaTable) { G4cout << (*theLambdaTable) << G4endl; } |
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[1055] | 390 | } |
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| 391 | } |
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| 392 | |
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| 393 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 394 | |
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[819] | 395 | G4double G4VEmProcess::PostStepGetPhysicalInteractionLength( |
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| 396 | const G4Track& track, |
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| 397 | G4double previousStepSize, |
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| 398 | G4ForceCondition* condition) |
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| 399 | { |
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| 400 | // condition is set to "Not Forced" |
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| 401 | *condition = NotForced; |
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| 402 | G4double x = DBL_MAX; |
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[1315] | 403 | if(previousStepSize <= DBL_MIN) { theNumberOfInteractionLengthLeft = -1.0; } |
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[819] | 404 | InitialiseStep(track); |
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[1315] | 405 | if(!currentModel->IsActive(preStepKinEnergy)) { return x; } |
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[819] | 406 | |
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| 407 | if(preStepKinEnergy < mfpKinEnergy) { |
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| 408 | if (integral) ComputeIntegralLambda(preStepKinEnergy); |
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| 409 | else preStepLambda = GetCurrentLambda(preStepKinEnergy); |
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| 410 | if(preStepLambda <= DBL_MIN) mfpKinEnergy = 0.0; |
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| 411 | } |
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| 412 | |
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| 413 | // non-zero cross section |
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| 414 | if(preStepLambda > DBL_MIN) { |
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| 415 | if (theNumberOfInteractionLengthLeft < 0.0) { |
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| 416 | // beggining of tracking (or just after DoIt of this process) |
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| 417 | ResetNumberOfInteractionLengthLeft(); |
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| 418 | } else if(currentInteractionLength < DBL_MAX) { |
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| 419 | // subtract NumberOfInteractionLengthLeft |
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| 420 | SubtractNumberOfInteractionLengthLeft(previousStepSize); |
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| 421 | if(theNumberOfInteractionLengthLeft < 0.) |
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| 422 | theNumberOfInteractionLengthLeft = perMillion; |
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| 423 | } |
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| 424 | |
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| 425 | // get mean free path and step limit |
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| 426 | currentInteractionLength = 1.0/preStepLambda; |
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| 427 | x = theNumberOfInteractionLengthLeft * currentInteractionLength; |
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| 428 | #ifdef G4VERBOSE |
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| 429 | if (verboseLevel>2){ |
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| 430 | G4cout << "G4VEmProcess::PostStepGetPhysicalInteractionLength "; |
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| 431 | G4cout << "[ " << GetProcessName() << "]" << G4endl; |
---|
[1315] | 432 | G4cout << " for " << currentParticle->GetParticleName() |
---|
[819] | 433 | << " in Material " << currentMaterial->GetName() |
---|
| 434 | << " Ekin(MeV)= " << preStepKinEnergy/MeV |
---|
| 435 | <<G4endl; |
---|
| 436 | G4cout << "MeanFreePath = " << currentInteractionLength/cm << "[cm]" |
---|
| 437 | << "InteractionLength= " << x/cm <<"[cm] " <<G4endl; |
---|
| 438 | } |
---|
| 439 | #endif |
---|
| 440 | |
---|
| 441 | // zero cross section case |
---|
| 442 | } else { |
---|
| 443 | if(theNumberOfInteractionLengthLeft > DBL_MIN && |
---|
| 444 | currentInteractionLength < DBL_MAX) { |
---|
| 445 | |
---|
| 446 | // subtract NumberOfInteractionLengthLeft |
---|
| 447 | SubtractNumberOfInteractionLengthLeft(previousStepSize); |
---|
| 448 | if(theNumberOfInteractionLengthLeft < 0.) |
---|
| 449 | theNumberOfInteractionLengthLeft = perMillion; |
---|
| 450 | } |
---|
| 451 | currentInteractionLength = DBL_MAX; |
---|
| 452 | } |
---|
| 453 | return x; |
---|
| 454 | } |
---|
| 455 | |
---|
| 456 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 457 | |
---|
| 458 | G4VParticleChange* G4VEmProcess::PostStepDoIt(const G4Track& track, |
---|
| 459 | const G4Step&) |
---|
| 460 | { |
---|
| 461 | fParticleChange.InitializeForPostStep(track); |
---|
| 462 | |
---|
| 463 | // Do not make anything if particle is stopped, the annihilation then |
---|
| 464 | // should be performed by the AtRestDoIt! |
---|
[1315] | 465 | if (track.GetTrackStatus() == fStopButAlive) { return &fParticleChange; } |
---|
[819] | 466 | |
---|
| 467 | G4double finalT = track.GetKineticEnergy(); |
---|
| 468 | |
---|
| 469 | // Integral approach |
---|
| 470 | if (integral) { |
---|
| 471 | G4double lx = GetLambda(finalT, currentCouple); |
---|
| 472 | if(preStepLambda<lx && 1 < verboseLevel) { |
---|
[1315] | 473 | G4cout << "WARING: for " << currentParticle->GetParticleName() |
---|
[819] | 474 | << " and " << GetProcessName() |
---|
| 475 | << " E(MeV)= " << finalT/MeV |
---|
| 476 | << " preLambda= " << preStepLambda << " < " << lx << " (postLambda) " |
---|
| 477 | << G4endl; |
---|
| 478 | } |
---|
| 479 | |
---|
| 480 | if(preStepLambda*G4UniformRand() > lx) { |
---|
| 481 | ClearNumberOfInteractionLengthLeft(); |
---|
| 482 | return &fParticleChange; |
---|
| 483 | } |
---|
| 484 | } |
---|
| 485 | |
---|
[1196] | 486 | SelectModel(finalT, currentCoupleIndex); |
---|
[1315] | 487 | if(!currentModel->IsActive(finalT)) { return &fParticleChange; } |
---|
[1055] | 488 | if(useDeexcitation) { |
---|
[1196] | 489 | currentModel->SetDeexcitationFlag(idxDERegions[currentCoupleIndex]); |
---|
[1055] | 490 | } |
---|
[819] | 491 | /* |
---|
| 492 | if(0 < verboseLevel) { |
---|
| 493 | G4cout << "G4VEmProcess::PostStepDoIt: Sample secondary; E= " |
---|
| 494 | << finalT/MeV |
---|
| 495 | << " MeV; model= (" << currentModel->LowEnergyLimit() |
---|
| 496 | << ", " << currentModel->HighEnergyLimit() << ")" |
---|
| 497 | << G4endl; |
---|
| 498 | } |
---|
| 499 | */ |
---|
| 500 | |
---|
| 501 | |
---|
| 502 | // sample secondaries |
---|
| 503 | secParticles.clear(); |
---|
| 504 | currentModel->SampleSecondaries(&secParticles, |
---|
| 505 | currentCouple, |
---|
| 506 | track.GetDynamicParticle(), |
---|
[1196] | 507 | (*theCuts)[currentCoupleIndex]); |
---|
[819] | 508 | |
---|
| 509 | // save secondaries |
---|
| 510 | G4int num = secParticles.size(); |
---|
| 511 | if(num > 0) { |
---|
| 512 | |
---|
| 513 | fParticleChange.SetNumberOfSecondaries(num); |
---|
| 514 | G4double edep = fParticleChange.GetLocalEnergyDeposit(); |
---|
| 515 | |
---|
[1196] | 516 | for (G4int i=0; i<num; ++i) { |
---|
[819] | 517 | G4DynamicParticle* dp = secParticles[i]; |
---|
[1340] | 518 | const G4ParticleDefinition* p = dp->GetParticleDefinition(); |
---|
[819] | 519 | G4double e = dp->GetKineticEnergy(); |
---|
| 520 | G4bool good = true; |
---|
| 521 | if(applyCuts) { |
---|
| 522 | if (p == theGamma) { |
---|
[1196] | 523 | if (e < (*theCutsGamma)[currentCoupleIndex]) good = false; |
---|
[819] | 524 | |
---|
| 525 | } else if (p == theElectron) { |
---|
[1196] | 526 | if (e < (*theCutsElectron)[currentCoupleIndex]) good = false; |
---|
[819] | 527 | |
---|
| 528 | } else if (p == thePositron) { |
---|
[1196] | 529 | if (electron_mass_c2 < (*theCutsGamma)[currentCoupleIndex] && |
---|
| 530 | e < (*theCutsPositron)[currentCoupleIndex]) { |
---|
[819] | 531 | good = false; |
---|
| 532 | e += 2.0*electron_mass_c2; |
---|
| 533 | } |
---|
| 534 | } |
---|
| 535 | if(!good) { |
---|
| 536 | delete dp; |
---|
| 537 | edep += e; |
---|
| 538 | } |
---|
| 539 | } |
---|
| 540 | if (good) fParticleChange.AddSecondary(dp); |
---|
| 541 | } |
---|
| 542 | fParticleChange.ProposeLocalEnergyDeposit(edep); |
---|
| 543 | } |
---|
| 544 | |
---|
| 545 | ClearNumberOfInteractionLengthLeft(); |
---|
| 546 | return &fParticleChange; |
---|
| 547 | } |
---|
| 548 | |
---|
| 549 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 550 | |
---|
| 551 | G4bool G4VEmProcess::StorePhysicsTable(const G4ParticleDefinition* part, |
---|
| 552 | const G4String& directory, |
---|
| 553 | G4bool ascii) |
---|
| 554 | { |
---|
| 555 | G4bool yes = true; |
---|
| 556 | |
---|
| 557 | if ( theLambdaTable && part == particle) { |
---|
| 558 | const G4String name = |
---|
| 559 | GetPhysicsTableFileName(part,directory,"Lambda",ascii); |
---|
| 560 | yes = theLambdaTable->StorePhysicsTable(name,ascii); |
---|
| 561 | |
---|
| 562 | if ( yes ) { |
---|
| 563 | G4cout << "Physics tables are stored for " << particle->GetParticleName() |
---|
| 564 | << " and process " << GetProcessName() |
---|
| 565 | << " in the directory <" << directory |
---|
| 566 | << "> " << G4endl; |
---|
| 567 | } else { |
---|
| 568 | G4cout << "Fail to store Physics Tables for " |
---|
| 569 | << particle->GetParticleName() |
---|
| 570 | << " and process " << GetProcessName() |
---|
| 571 | << " in the directory <" << directory |
---|
| 572 | << "> " << G4endl; |
---|
| 573 | } |
---|
| 574 | } |
---|
| 575 | return yes; |
---|
| 576 | } |
---|
| 577 | |
---|
| 578 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo..... |
---|
| 579 | |
---|
| 580 | G4bool G4VEmProcess::RetrievePhysicsTable(const G4ParticleDefinition* part, |
---|
| 581 | const G4String& directory, |
---|
[1196] | 582 | G4bool ascii) |
---|
[819] | 583 | { |
---|
| 584 | if(1 < verboseLevel) { |
---|
| 585 | G4cout << "G4VEmProcess::RetrievePhysicsTable() for " |
---|
| 586 | << part->GetParticleName() << " and process " |
---|
| 587 | << GetProcessName() << G4endl; |
---|
| 588 | } |
---|
| 589 | G4bool yes = true; |
---|
| 590 | |
---|
| 591 | if(!buildLambdaTable || particle != part) return yes; |
---|
| 592 | |
---|
| 593 | const G4String particleName = part->GetParticleName(); |
---|
| 594 | G4String filename; |
---|
| 595 | |
---|
| 596 | filename = GetPhysicsTableFileName(part,directory,"Lambda",ascii); |
---|
| 597 | yes = G4PhysicsTableHelper::RetrievePhysicsTable(theLambdaTable, |
---|
| 598 | filename,ascii); |
---|
| 599 | if ( yes ) { |
---|
| 600 | if (0 < verboseLevel) { |
---|
[1196] | 601 | G4cout << "Lambda table for " << particleName |
---|
| 602 | << " is Retrieved from <" |
---|
[819] | 603 | << filename << ">" |
---|
| 604 | << G4endl; |
---|
| 605 | } |
---|
[961] | 606 | if((G4LossTableManager::Instance())->SplineFlag()) { |
---|
| 607 | size_t n = theLambdaTable->length(); |
---|
[1196] | 608 | for(size_t i=0; i<n; ++i) { |
---|
| 609 | if((* theLambdaTable)[i]) { |
---|
| 610 | (* theLambdaTable)[i]->SetSpline(true); |
---|
| 611 | } |
---|
| 612 | } |
---|
[961] | 613 | } |
---|
[819] | 614 | } else { |
---|
| 615 | if (1 < verboseLevel) { |
---|
| 616 | G4cout << "Lambda table for " << particleName << " in file <" |
---|
| 617 | << filename << "> is not exist" |
---|
| 618 | << G4endl; |
---|
| 619 | } |
---|
| 620 | } |
---|
| 621 | |
---|
| 622 | return yes; |
---|
| 623 | } |
---|
| 624 | |
---|
| 625 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 626 | |
---|
[1055] | 627 | void G4VEmProcess::ActivateDeexcitation(G4bool val, const G4Region* r) |
---|
| 628 | { |
---|
| 629 | G4RegionStore* regionStore = G4RegionStore::GetInstance(); |
---|
| 630 | const G4Region* reg = r; |
---|
| 631 | if (!reg) {reg = regionStore->GetRegion("DefaultRegionForTheWorld", false);} |
---|
| 632 | |
---|
| 633 | // the region is in the list |
---|
| 634 | if (nDERegions) { |
---|
[1196] | 635 | for (G4int i=0; i<nDERegions; ++i) { |
---|
[1055] | 636 | if (reg == deRegions[i]) { |
---|
| 637 | if(!val) deRegions[i] = 0; |
---|
| 638 | return; |
---|
| 639 | } |
---|
| 640 | } |
---|
| 641 | } |
---|
| 642 | |
---|
| 643 | // new region |
---|
| 644 | if(val) { |
---|
| 645 | useDeexcitation = true; |
---|
| 646 | deRegions.push_back(reg); |
---|
| 647 | nDERegions++; |
---|
| 648 | } else { |
---|
| 649 | useDeexcitation = false; |
---|
| 650 | } |
---|
| 651 | } |
---|
| 652 | |
---|
| 653 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 654 | |
---|
| 655 | G4double G4VEmProcess::CrossSectionPerVolume(G4double kineticEnergy, |
---|
| 656 | const G4MaterialCutsCouple* couple) |
---|
| 657 | { |
---|
| 658 | // Cross section per atom is calculated |
---|
| 659 | DefineMaterial(couple); |
---|
| 660 | G4double cross = 0.0; |
---|
| 661 | if(theLambdaTable) { |
---|
[1196] | 662 | cross = (((*theLambdaTable)[currentCoupleIndex])->Value(kineticEnergy)); |
---|
[1055] | 663 | } else { |
---|
[1196] | 664 | SelectModel(kineticEnergy, currentCoupleIndex); |
---|
[1055] | 665 | cross = currentModel->CrossSectionPerVolume(currentMaterial, |
---|
[1315] | 666 | currentParticle,kineticEnergy); |
---|
[1055] | 667 | } |
---|
| 668 | |
---|
[1315] | 669 | if(cross < 0.0) { cross = 0.0; } |
---|
[1055] | 670 | return cross; |
---|
| 671 | } |
---|
| 672 | |
---|
| 673 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 674 | |
---|
| 675 | G4double G4VEmProcess::GetMeanFreePath(const G4Track& track, |
---|
| 676 | G4double, |
---|
| 677 | G4ForceCondition* condition) |
---|
| 678 | { |
---|
| 679 | *condition = NotForced; |
---|
| 680 | return G4VEmProcess::MeanFreePath(track); |
---|
| 681 | } |
---|
| 682 | |
---|
| 683 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 684 | |
---|
[1315] | 685 | G4double G4VEmProcess::MeanFreePath(const G4Track& track) |
---|
| 686 | { |
---|
| 687 | DefineMaterial(track.GetMaterialCutsCouple()); |
---|
| 688 | preStepLambda = GetCurrentLambda(track.GetKineticEnergy()); |
---|
| 689 | G4double x = DBL_MAX; |
---|
| 690 | if(DBL_MIN < preStepLambda) x = 1.0/preStepLambda; |
---|
| 691 | return x; |
---|
| 692 | } |
---|
| 693 | |
---|
| 694 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 695 | |
---|
| 696 | G4double |
---|
| 697 | G4VEmProcess::ComputeCrossSectionPerAtom(G4double kineticEnergy, |
---|
| 698 | G4double Z, G4double A, G4double cut) |
---|
| 699 | { |
---|
| 700 | SelectModel(kineticEnergy, currentCoupleIndex); |
---|
| 701 | G4double x = 0.0; |
---|
| 702 | if(currentModel) { |
---|
| 703 | x = currentModel->ComputeCrossSectionPerAtom(currentParticle,kineticEnergy, |
---|
| 704 | Z,A,cut); |
---|
| 705 | } |
---|
| 706 | return x; |
---|
| 707 | } |
---|
| 708 | |
---|
| 709 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 710 | |
---|
[819] | 711 | void G4VEmProcess::FindLambdaMax() |
---|
| 712 | { |
---|
| 713 | if(1 < verboseLevel) { |
---|
| 714 | G4cout << "### G4VEmProcess::FindLambdaMax: " |
---|
| 715 | << particle->GetParticleName() |
---|
| 716 | << " and process " << GetProcessName() << G4endl; |
---|
| 717 | } |
---|
| 718 | size_t n = theLambdaTable->length(); |
---|
| 719 | G4PhysicsVector* pv = (*theLambdaTable)[0]; |
---|
| 720 | G4double e, s, emax, smax; |
---|
| 721 | theEnergyOfCrossSectionMax = new G4double [n]; |
---|
| 722 | theCrossSectionMax = new G4double [n]; |
---|
| 723 | |
---|
[1196] | 724 | for (size_t i=0; i<n; ++i) { |
---|
[819] | 725 | pv = (*theLambdaTable)[i]; |
---|
| 726 | emax = DBL_MAX; |
---|
| 727 | smax = 0.0; |
---|
| 728 | if(pv) { |
---|
| 729 | size_t nb = pv->GetVectorLength(); |
---|
[1196] | 730 | emax = DBL_MAX; |
---|
[819] | 731 | smax = 0.0; |
---|
[1196] | 732 | if(nb > 0) { |
---|
| 733 | for (size_t j=0; j<nb; ++j) { |
---|
| 734 | e = pv->Energy(j); |
---|
| 735 | s = (*pv)(j); |
---|
| 736 | if(s > smax) { |
---|
| 737 | smax = s; |
---|
| 738 | emax = e; |
---|
| 739 | } |
---|
[819] | 740 | } |
---|
| 741 | } |
---|
| 742 | } |
---|
| 743 | theEnergyOfCrossSectionMax[i] = emax; |
---|
| 744 | theCrossSectionMax[i] = smax; |
---|
[1315] | 745 | if(1 < verboseLevel) { |
---|
[819] | 746 | G4cout << "For " << particle->GetParticleName() |
---|
| 747 | << " Max CS at i= " << i << " emax(MeV)= " << emax/MeV |
---|
| 748 | << " lambda= " << smax << G4endl; |
---|
| 749 | } |
---|
| 750 | } |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 754 | |
---|
| 755 | G4PhysicsVector* G4VEmProcess::LambdaPhysicsVector(const G4MaterialCutsCouple*) |
---|
| 756 | { |
---|
| 757 | G4PhysicsVector* v = |
---|
| 758 | new G4PhysicsLogVector(minKinEnergy, maxKinEnergy, nLambdaBins); |
---|
[961] | 759 | v->SetSpline((G4LossTableManager::Instance())->SplineFlag()); |
---|
[819] | 760 | return v; |
---|
| 761 | } |
---|
| 762 | |
---|
| 763 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
[1315] | 764 | |
---|
| 765 | const G4Element* G4VEmProcess::GetCurrentElement() const |
---|
| 766 | { |
---|
| 767 | const G4Element* elm = 0; |
---|
| 768 | if(currentModel) {elm = currentModel->GetCurrentElement(); } |
---|
| 769 | return elm; |
---|
| 770 | } |
---|
| 771 | |
---|
| 772 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|