[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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[1055] | 26 | // $Id: G4VMultipleScattering.cc,v 1.66 2009/05/27 11:55:02 vnivanch Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-03-beta-cand-01 $ |
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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: G4VMultipleScattering |
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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: 25.03.2003 |
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| 39 | // |
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| 40 | // Modifications: |
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| 41 | // |
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| 42 | // 13.04.03 Change printout (V.Ivanchenko) |
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| 43 | // 04-06-03 Fix compilation warnings (V.Ivanchenko) |
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| 44 | // 16-07-03 Use G4VMscModel interface (V.Ivanchenko) |
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| 45 | // 03-11-03 Fix initialisation problem in RetrievePhysicsTable (V.Ivanchenko) |
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| 46 | // 04-11-03 Update PrintInfoDefinition (V.Ivanchenko) |
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| 47 | // 01-03-04 SampleCosineTheta signature changed |
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| 48 | // 22-04-04 SampleCosineTheta signature changed back to original |
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| 49 | // 27-08-04 Add InitialiseForRun method (V.Ivanchneko) |
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| 50 | // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko) |
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| 51 | // 11-03-05 Shift verbose level by 1 (V.Ivantchenko) |
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| 52 | // 15-04-05 optimize internal interface (V.Ivanchenko) |
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| 53 | // 15-04-05 remove boundary flag (V.Ivanchenko) |
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| 54 | // 27-10-05 introduce virtual function MscStepLimitation() (V.Ivanchenko) |
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| 55 | // 12-04-07 Add verbosity at destruction (V.Ivanchenko) |
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| 56 | // 27-10-07 Virtual functions moved to source (V.Ivanchenko) |
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[961] | 57 | // 11-03-08 Set skin value does not effect step limit type (V.Ivanchenko) |
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[819] | 58 | // |
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| 59 | // Class Description: |
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| 60 | // |
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| 61 | // It is the generic process of multiple scattering it includes common |
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| 62 | // part of calculations for all charged particles |
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| 63 | |
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| 64 | // ------------------------------------------------------------------- |
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| 65 | // |
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| 66 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 67 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 68 | |
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| 69 | #include "G4VMultipleScattering.hh" |
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| 70 | #include "G4LossTableManager.hh" |
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| 71 | #include "G4Step.hh" |
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| 72 | #include "G4ParticleDefinition.hh" |
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| 73 | #include "G4VEmFluctuationModel.hh" |
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| 74 | #include "G4DataVector.hh" |
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| 75 | #include "G4PhysicsTable.hh" |
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| 76 | #include "G4PhysicsVector.hh" |
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| 77 | #include "G4PhysicsLogVector.hh" |
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| 78 | #include "G4UnitsTable.hh" |
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| 79 | #include "G4ProductionCutsTable.hh" |
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| 80 | #include "G4Region.hh" |
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| 81 | #include "G4RegionStore.hh" |
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| 82 | #include "G4PhysicsTableHelper.hh" |
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| 83 | #include "G4GenericIon.hh" |
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| 84 | #include "G4Electron.hh" |
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[1055] | 85 | #include "G4EmConfigurator.hh" |
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[819] | 86 | |
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| 87 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 88 | |
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[961] | 89 | G4VMultipleScattering::G4VMultipleScattering(const G4String& name, |
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| 90 | G4ProcessType type): |
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| 91 | G4VContinuousDiscreteProcess(name, type), |
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| 92 | buildLambdaTable(true), |
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[819] | 93 | theLambdaTable(0), |
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| 94 | firstParticle(0), |
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| 95 | stepLimit(fUseSafety), |
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[961] | 96 | skin(3.0), |
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[1055] | 97 | facrange(0.04), |
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[819] | 98 | facgeom(2.5), |
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| 99 | latDisplasment(true), |
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[961] | 100 | currentParticle(0), |
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| 101 | currentCouple(0) |
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[819] | 102 | { |
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[961] | 103 | SetVerboseLevel(1); |
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| 104 | SetProcessSubType(fMultipleScattering); |
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| 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 | nBins = 77; |
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[819] | 110 | |
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[961] | 111 | // default limit on polar angle |
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| 112 | polarAngleLimit = 0.0; |
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| 113 | |
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[819] | 114 | pParticleChange = &fParticleChange; |
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| 115 | |
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| 116 | modelManager = new G4EmModelManager(); |
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| 117 | (G4LossTableManager::Instance())->Register(this); |
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| 118 | |
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| 119 | } |
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| 120 | |
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| 121 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 122 | |
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| 123 | G4VMultipleScattering::~G4VMultipleScattering() |
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| 124 | { |
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[961] | 125 | if(1 < verboseLevel) { |
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[819] | 126 | G4cout << "G4VMultipleScattering destruct " << GetProcessName() |
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| 127 | << G4endl; |
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[961] | 128 | } |
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[819] | 129 | delete modelManager; |
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| 130 | if (theLambdaTable) { |
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| 131 | theLambdaTable->clearAndDestroy(); |
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| 132 | delete theLambdaTable; |
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| 133 | } |
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| 134 | (G4LossTableManager::Instance())->DeRegister(this); |
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| 135 | } |
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| 136 | |
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| 137 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 138 | |
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[1055] | 139 | void G4VMultipleScattering::AddEmModel(G4int order, G4VEmModel* p, |
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| 140 | const G4Region* region) |
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| 141 | { |
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| 142 | G4VEmFluctuationModel* fm = 0; |
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| 143 | modelManager->AddEmModel(order, p, fm, region); |
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| 144 | if(p) p->SetParticleChange(pParticleChange); |
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| 145 | } |
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| 146 | |
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| 147 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 148 | |
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| 149 | G4VEmModel* G4VMultipleScattering::GetModelByIndex(G4int idx, G4bool ver) |
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| 150 | { |
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| 151 | return modelManager->GetModel(idx, ver); |
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| 152 | } |
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| 153 | |
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| 154 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 155 | |
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[819] | 156 | void G4VMultipleScattering::BuildPhysicsTable(const G4ParticleDefinition& part) |
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| 157 | { |
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| 158 | G4String num = part.GetParticleName(); |
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| 159 | if(1 < verboseLevel) { |
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| 160 | G4cout << "### G4VMultipleScattering::BuildPhysicsTable() for " |
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| 161 | << GetProcessName() |
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| 162 | << " and particle " << num |
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| 163 | << G4endl; |
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| 164 | } |
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| 165 | |
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| 166 | if (buildLambdaTable && firstParticle == &part) { |
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| 167 | |
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| 168 | const G4ProductionCutsTable* theCoupleTable= |
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| 169 | G4ProductionCutsTable::GetProductionCutsTable(); |
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| 170 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
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| 171 | |
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| 172 | for (size_t i=0; i<numOfCouples; i++) { |
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| 173 | |
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| 174 | if (theLambdaTable->GetFlag(i)) { |
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| 175 | // create physics vector and fill it |
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[961] | 176 | const G4MaterialCutsCouple* couple = |
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| 177 | theCoupleTable->GetMaterialCutsCouple(i); |
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[819] | 178 | G4PhysicsVector* aVector = PhysicsVector(couple); |
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| 179 | modelManager->FillLambdaVector(aVector, couple, false); |
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| 180 | G4PhysicsTableHelper::SetPhysicsVector(theLambdaTable, i, aVector); |
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| 181 | } |
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| 182 | } |
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| 183 | |
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| 184 | if(1 < verboseLevel) { |
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| 185 | G4cout << "Lambda table is built for " |
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| 186 | << num |
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| 187 | << G4endl; |
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| 188 | } |
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| 189 | } |
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| 190 | if(verboseLevel>0 && ( num == "e-" || num == "mu+" || |
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[961] | 191 | num == "proton" || num == "pi-" || |
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| 192 | num == "GenericIon")) { |
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[819] | 193 | PrintInfoDefinition(); |
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| 194 | if(2 < verboseLevel && theLambdaTable) G4cout << *theLambdaTable << G4endl; |
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| 195 | } |
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| 196 | |
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| 197 | if(1 < verboseLevel) { |
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| 198 | G4cout << "### G4VMultipleScattering::BuildPhysicsTable() done for " |
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| 199 | << GetProcessName() |
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| 200 | << " and particle " << num |
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| 201 | << G4endl; |
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| 202 | } |
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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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| 207 | void G4VMultipleScattering::PreparePhysicsTable(const G4ParticleDefinition& part) |
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| 208 | { |
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| 209 | if (!firstParticle) { |
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| 210 | currentCouple = 0; |
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| 211 | if(part.GetParticleType() == "nucleus" && |
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[961] | 212 | part.GetParticleSubType() == "generic") { |
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| 213 | firstParticle = G4GenericIon::GenericIon(); |
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| 214 | } else { |
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| 215 | firstParticle = ∂ |
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| 216 | } |
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| 217 | |
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[819] | 218 | currentParticle = ∂ |
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| 219 | } |
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| 220 | |
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| 221 | if(1 < verboseLevel) { |
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| 222 | G4cout << "### G4VMultipleScattering::PrepearPhysicsTable() for " |
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| 223 | << GetProcessName() |
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| 224 | << " and particle " << part.GetParticleName() |
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| 225 | << " local particle " << firstParticle->GetParticleName() |
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| 226 | << G4endl; |
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| 227 | } |
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| 228 | |
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[1055] | 229 | (G4LossTableManager::Instance())->EmConfigurator()->AddModels(); |
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| 230 | |
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[819] | 231 | if(firstParticle == &part) { |
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| 232 | |
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| 233 | InitialiseProcess(firstParticle); |
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| 234 | if(buildLambdaTable) |
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| 235 | theLambdaTable = G4PhysicsTableHelper::PreparePhysicsTable(theLambdaTable); |
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| 236 | const G4DataVector* theCuts = |
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| 237 | modelManager->Initialise(firstParticle, |
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| 238 | G4Electron::Electron(), |
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| 239 | 10.0, verboseLevel); |
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| 240 | |
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| 241 | if(2 < verboseLevel) G4cout << theCuts << G4endl; |
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| 242 | |
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| 243 | } |
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| 244 | } |
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| 245 | |
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| 246 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 247 | |
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| 248 | void G4VMultipleScattering::PrintInfoDefinition() |
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| 249 | { |
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| 250 | if (0 < verboseLevel) { |
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[961] | 251 | G4cout << G4endl << GetProcessName() |
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| 252 | << ": for " << firstParticle->GetParticleName() |
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| 253 | << " SubType= " << GetProcessSubType() |
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[819] | 254 | << G4endl; |
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| 255 | if (theLambdaTable) { |
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| 256 | G4cout << " Lambda tables from " |
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| 257 | << G4BestUnit(MinKinEnergy(),"Energy") |
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| 258 | << " to " |
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| 259 | << G4BestUnit(MaxKinEnergy(),"Energy") |
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[961] | 260 | << " in " << nBins << " bins, spline: " |
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| 261 | << (G4LossTableManager::Instance())->SplineFlag() |
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[819] | 262 | << G4endl; |
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| 263 | } |
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| 264 | PrintInfo(); |
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[961] | 265 | modelManager->DumpModelList(verboseLevel); |
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[819] | 266 | if (2 < verboseLevel) { |
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| 267 | G4cout << "LambdaTable address= " << theLambdaTable << G4endl; |
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| 268 | if(theLambdaTable) G4cout << (*theLambdaTable) << G4endl; |
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| 269 | } |
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| 270 | } |
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| 271 | } |
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| 272 | |
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| 273 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 274 | |
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| 275 | G4double G4VMultipleScattering::AlongStepGetPhysicalInteractionLength( |
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| 276 | const G4Track& track, |
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[961] | 277 | G4double, |
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[819] | 278 | G4double currentMinimalStep, |
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| 279 | G4double& currentSafety, |
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| 280 | G4GPILSelection* selection) |
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| 281 | { |
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| 282 | // get Step limit proposed by the process |
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| 283 | valueGPILSelectionMSC = NotCandidateForSelection; |
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[961] | 284 | G4double steplength = GetMscContinuousStepLimit(track, |
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| 285 | track.GetKineticEnergy(), |
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| 286 | currentMinimalStep, |
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| 287 | currentSafety); |
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[819] | 288 | // G4cout << "StepLimit= " << steplength << G4endl; |
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| 289 | // set return value for G4GPILSelection |
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| 290 | *selection = valueGPILSelectionMSC; |
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| 291 | return steplength; |
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| 292 | } |
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| 293 | |
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| 294 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 295 | |
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| 296 | G4double G4VMultipleScattering::PostStepGetPhysicalInteractionLength( |
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| 297 | const G4Track&, G4double, G4ForceCondition* condition) |
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| 298 | { |
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| 299 | *condition = Forced; |
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| 300 | return DBL_MAX; |
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| 301 | } |
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| 302 | |
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| 303 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 304 | |
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| 305 | G4double G4VMultipleScattering::GetContinuousStepLimit( |
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| 306 | const G4Track& track, |
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| 307 | G4double previousStepSize, |
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| 308 | G4double currentMinimalStep, |
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| 309 | G4double& currentSafety) |
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| 310 | { |
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| 311 | return GetMscContinuousStepLimit(track,previousStepSize,currentMinimalStep, |
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| 312 | currentSafety); |
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| 313 | } |
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| 314 | |
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| 315 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 316 | |
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| 317 | G4double G4VMultipleScattering::GetMeanFreePath( |
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| 318 | const G4Track&, G4double, G4ForceCondition* condition) |
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| 319 | { |
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| 320 | *condition = Forced; |
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| 321 | return DBL_MAX; |
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| 322 | } |
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| 323 | |
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| 324 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 325 | |
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| 326 | G4VParticleChange* G4VMultipleScattering::AlongStepDoIt(const G4Track&, |
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| 327 | const G4Step& step) |
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| 328 | { |
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| 329 | fParticleChange.ProposeTrueStepLength( |
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| 330 | currentModel->ComputeTrueStepLength(step.GetStepLength())); |
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| 331 | return &fParticleChange; |
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| 332 | } |
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| 333 | |
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| 334 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 335 | |
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| 336 | G4VParticleChange* G4VMultipleScattering::PostStepDoIt(const G4Track& track, |
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| 337 | const G4Step& step) |
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| 338 | { |
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| 339 | fParticleChange.Initialize(track); |
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| 340 | currentModel->SampleScattering(track.GetDynamicParticle(), |
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| 341 | step.GetPostStepPoint()->GetSafety()); |
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| 342 | return &fParticleChange; |
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| 343 | } |
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| 344 | |
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| 345 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 346 | |
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| 347 | G4PhysicsVector* G4VMultipleScattering::PhysicsVector(const G4MaterialCutsCouple* couple) |
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| 348 | { |
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| 349 | G4int nbins = 3; |
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| 350 | if( couple->IsUsed() ) nbins = nBins; |
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| 351 | G4PhysicsVector* v = new G4PhysicsLogVector(minKinEnergy, maxKinEnergy, nbins); |
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[961] | 352 | v->SetSpline((G4LossTableManager::Instance())->SplineFlag()); |
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[819] | 353 | return v; |
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| 354 | } |
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| 355 | |
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| 356 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 357 | |
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| 358 | G4bool G4VMultipleScattering::StorePhysicsTable(const G4ParticleDefinition* part, |
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| 359 | const G4String& directory, |
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| 360 | G4bool ascii) |
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| 361 | { |
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| 362 | G4bool yes = true; |
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| 363 | if ( theLambdaTable && part == firstParticle) { |
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| 364 | const G4String name = GetPhysicsTableFileName(part,directory,"Lambda",ascii); |
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| 365 | G4bool yes = theLambdaTable->StorePhysicsTable(name,ascii); |
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| 366 | |
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| 367 | if ( yes ) { |
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| 368 | if ( verboseLevel>0 ) { |
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| 369 | G4cout << "Physics table are stored for " << part->GetParticleName() |
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| 370 | << " and process " << GetProcessName() |
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| 371 | << " in the directory <" << directory |
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| 372 | << "> " << G4endl; |
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| 373 | } |
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| 374 | } else { |
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| 375 | G4cout << "Fail to store Physics Table for " << part->GetParticleName() |
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| 376 | << " and process " << GetProcessName() |
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| 377 | << " in the directory <" << directory |
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| 378 | << "> " << G4endl; |
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| 379 | } |
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| 380 | } |
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| 381 | return yes; |
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| 382 | } |
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| 383 | |
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| 384 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 385 | |
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| 386 | G4bool G4VMultipleScattering::RetrievePhysicsTable(const G4ParticleDefinition* part, |
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| 387 | const G4String& directory, |
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| 388 | G4bool ascii) |
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| 389 | { |
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| 390 | if(0 < verboseLevel) { |
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| 391 | // G4cout << "========================================================" << G4endl; |
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| 392 | G4cout << "G4VMultipleScattering::RetrievePhysicsTable() for " |
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| 393 | << part->GetParticleName() << " and process " |
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| 394 | << GetProcessName() << G4endl; |
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| 395 | } |
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| 396 | G4bool yes = true; |
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| 397 | |
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| 398 | if(!buildLambdaTable || firstParticle != part) return yes; |
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| 399 | |
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| 400 | const G4String particleName = part->GetParticleName(); |
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| 401 | |
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| 402 | G4String filename = GetPhysicsTableFileName(part,directory,"Lambda",ascii); |
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| 403 | yes = G4PhysicsTableHelper::RetrievePhysicsTable(theLambdaTable,filename,ascii); |
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| 404 | if ( yes ) { |
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| 405 | if (0 < verboseLevel) { |
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| 406 | G4cout << "Lambda table for " << part->GetParticleName() << " is retrieved from <" |
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| 407 | << filename << ">" |
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| 408 | << G4endl; |
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| 409 | } |
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[961] | 410 | if((G4LossTableManager::Instance())->SplineFlag()) { |
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| 411 | size_t n = theLambdaTable->length(); |
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| 412 | for(size_t i=0; i<n; i++) {(* theLambdaTable)[i]->SetSpline(true);} |
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| 413 | } |
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[819] | 414 | } else { |
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| 415 | if (1 < verboseLevel) { |
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| 416 | G4cout << "Lambda table for " << part->GetParticleName() << " in file <" |
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| 417 | << filename << "> is not exist" |
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| 418 | << G4endl; |
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| 419 | } |
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| 420 | } |
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| 421 | return yes; |
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| 422 | } |
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| 423 | |
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| 424 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 425 | |
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