[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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| 26 | // $Id: G4ionIonisation.cc,v 1.45.2.2 2008/04/25 00:34:55 vnivanch Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-01-patch-02 $ |
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| 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: G4ionIonisation |
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| 35 | // |
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| 36 | // Author: Vladimir Ivanchenko |
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| 37 | // |
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| 38 | // Creation date: 07.05.2002 |
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| 39 | // |
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| 40 | // Modifications: |
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| 41 | // |
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| 42 | // 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko) |
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| 43 | // 26-12-02 Secondary production moved to derived classes (V.Ivanchenko) |
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| 44 | // 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko) |
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| 45 | // 18-04-03 Use IonFluctuations (V.Ivanchenko) |
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| 46 | // 03-08-03 Add effective charge (V.Ivanchenko) |
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| 47 | // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko) |
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| 48 | // 27-05-04 Set integral to be a default regime (V.Ivanchenko) |
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| 49 | // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko) |
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| 50 | // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko) |
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| 51 | // 10-01-06 SetStepLimits -> SetStepFunction (V.Ivantchenko) |
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| 52 | // 10-05-06 Add a possibility to download user data (V.Ivantchenko) |
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| 53 | // 13-05-06 Add data for light ion stopping in water (V.Ivantchenko) |
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| 54 | // 14-01-07 use SetEmModel() and SetFluctModel() from G4VEnergyLossProcess (mma) |
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| 55 | // 16-05-07 Add data for light ion stopping only for GenericIon (V.Ivantchenko) |
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| 56 | // 07-11-07 Fill non-ionizing energy loss (V.Ivantchenko) |
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| 57 | // |
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| 58 | // |
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| 59 | // ------------------------------------------------------------------- |
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| 60 | // |
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| 61 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 62 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 63 | |
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| 64 | #include "G4ionIonisation.hh" |
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| 65 | #include "G4Electron.hh" |
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| 66 | #include "G4Proton.hh" |
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| 67 | #include "G4GenericIon.hh" |
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| 68 | #include "G4BraggModel.hh" |
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| 69 | #include "G4BraggIonModel.hh" |
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| 70 | #include "G4BetheBlochModel.hh" |
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| 71 | #include "G4IonFluctuations.hh" |
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| 72 | #include "G4UnitsTable.hh" |
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| 73 | #include "G4LossTableManager.hh" |
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| 74 | #include "G4WaterStopping.hh" |
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| 75 | |
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| 76 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 77 | |
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| 78 | using namespace std; |
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| 79 | |
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| 80 | G4ionIonisation::G4ionIonisation(const G4String& name) |
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| 81 | : G4VEnergyLossProcess(name), |
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| 82 | theParticle(0), |
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| 83 | theBaseParticle(0), |
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| 84 | isInitialised(false), |
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| 85 | stopDataActive(true), |
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| 86 | nuclearStopping(true) |
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| 87 | { |
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| 88 | SetLinearLossLimit(0.15); |
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| 89 | SetStepFunction(0.1, 0.1*mm); |
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| 90 | SetIntegral(true); |
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| 91 | SetVerboseLevel(1); |
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| 92 | corr = G4LossTableManager::Instance()->EmCorrections(); |
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| 93 | } |
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| 94 | |
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| 95 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 96 | |
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| 97 | G4ionIonisation::~G4ionIonisation() |
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| 98 | {} |
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| 99 | |
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| 100 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 101 | |
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| 102 | void G4ionIonisation::InitialiseEnergyLossProcess( |
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| 103 | const G4ParticleDefinition* part, |
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| 104 | const G4ParticleDefinition* bpart) |
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| 105 | { |
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| 106 | if(isInitialised) return; |
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| 107 | |
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| 108 | theParticle = part; |
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| 109 | |
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| 110 | if(part == bpart || part == G4GenericIon::GenericIon()) theBaseParticle = 0; |
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| 111 | else if(bpart == 0) theBaseParticle = G4GenericIon::GenericIon(); |
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| 112 | else theBaseParticle = bpart; |
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| 113 | |
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| 114 | SetBaseParticle(theBaseParticle); |
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| 115 | SetSecondaryParticle(G4Electron::Electron()); |
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| 116 | |
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| 117 | if(theBaseParticle) baseMass = theBaseParticle->GetPDGMass(); |
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| 118 | else baseMass = theParticle->GetPDGMass(); |
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| 119 | |
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| 120 | if (!EmModel(1)) SetEmModel(new G4BraggIonModel(),1); |
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| 121 | EmModel(1)->SetLowEnergyLimit(100*eV); |
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| 122 | eth = 2.0*MeV; |
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| 123 | EmModel(1)->SetHighEnergyLimit(eth); |
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| 124 | if (!FluctModel()) SetFluctModel(new G4IonFluctuations()); |
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| 125 | AddEmModel(1, EmModel(1), FluctModel()); |
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| 126 | |
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| 127 | if (!EmModel(2)) SetEmModel(new G4BetheBlochModel(),2); |
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| 128 | EmModel(2)->SetLowEnergyLimit(eth); |
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| 129 | EmModel(2)->SetHighEnergyLimit(100*TeV); |
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| 130 | AddEmModel(2, EmModel(2), FluctModel()); |
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| 131 | |
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| 132 | // Add ion stoping tables for Generic Ion |
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| 133 | if(part == G4GenericIon::GenericIon()) { |
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| 134 | G4WaterStopping ws(corr); |
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| 135 | effCharge = corr->GetIonEffectiveCharge(EmModel(1)); |
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| 136 | } else { |
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| 137 | effCharge = corr->GetIonEffectiveCharge(0); |
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| 138 | } |
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| 139 | |
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| 140 | isInitialised = true; |
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| 141 | } |
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| 142 | |
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| 143 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 144 | |
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| 145 | void G4ionIonisation::PrintInfo() |
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| 146 | { |
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| 147 | if(EmModel(1) && EmModel(2)) |
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| 148 | G4cout << " Scaling relation is used from proton dE/dx and range." |
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| 149 | << "\n Delta cross sections and sampling from " |
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| 150 | << EmModel(2)->GetName() << " model for scaled energy > " |
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| 151 | << eth/MeV << " MeV" |
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| 152 | << "\n Parametrisation from " |
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| 153 | << EmModel(1)->GetName() << " for protons below." |
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| 154 | << " NuclearStopping= " << nuclearStopping |
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| 155 | << G4endl; |
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| 156 | if (stopDataActive) |
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| 157 | G4cout << "\n Stopping Power data for " |
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| 158 | << corr->GetNumberOfStoppingVectors() |
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| 159 | << " ion/material pairs are used." |
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| 160 | << G4endl; |
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| 161 | } |
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| 162 | |
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| 163 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 164 | |
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| 165 | void G4ionIonisation::AddStoppingData(G4int Z, G4int A, |
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| 166 | const G4String& mname, |
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| 167 | G4PhysicsVector& dVector) |
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| 168 | { |
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| 169 | corr->AddStoppingData(Z, A, mname, dVector); |
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| 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 G4ionIonisation::CorrectionsAlongStep(const G4MaterialCutsCouple* couple, |
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| 175 | const G4DynamicParticle* dp, |
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| 176 | G4double& eloss, |
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| 177 | G4double& s) |
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| 178 | { |
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| 179 | const G4ParticleDefinition* part = dp->GetDefinition(); |
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| 180 | const G4Material* mat = couple->GetMaterial(); |
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| 181 | if(eloss < preKinEnergy) { |
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| 182 | // G4cout << "e= " << preKinEnergy << " ratio= " << massRatio << " eth= " << eth<< G4endl; |
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| 183 | if(preKinEnergy*massRatio > eth) |
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| 184 | eloss += s*corr->HighOrderCorrections(part,mat,preKinEnergy); |
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| 185 | else { |
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| 186 | |
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| 187 | if(stopDataActive) |
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| 188 | eloss *= corr->EffectiveChargeCorrection(part,mat,preKinEnergy); |
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| 189 | |
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| 190 | } |
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| 191 | fParticleChange.SetProposedCharge(effCharge->EffectiveCharge(part, |
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| 192 | mat,preKinEnergy-eloss)); |
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| 193 | } |
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| 194 | if(nuclearStopping && preKinEnergy*massRatio < 50.*eth*charge2) { |
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| 195 | G4double nloss = s*corr->NuclearDEDX(part,mat,preKinEnergy - eloss*0.5); |
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| 196 | eloss += nloss; |
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| 197 | // G4cout << "G4ionIonisation::CorrectionsAlongStep: e= " << preKinEnergy |
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| 198 | // << " de= " << eloss << " NIEL= " << nloss << G4endl; |
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| 199 | fParticleChange.ProposeNonIonizingEnergyDeposit(nloss); |
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| 200 | } |
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| 201 | } |
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| 202 | |
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| 203 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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