| 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: G4hhIonisation.cc,v 1.8 2008/10/16 14:29:48 vnivanch Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-02 $
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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: G4hhIonisation
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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: 30.09.2005
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| 39 | //
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| 40 | // Modifications:
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| 41 | // 10-01-06 SetStepLimits -> SetStepFunction (V.Ivantchenko)
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| 42 | // 27-10-06 Add maxKinEnergy (V.Ivantchenko)
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| 43 | //
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| 44 | //
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| 45 | // -------------------------------------------------------------------
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| 46 | //
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| 47 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 48 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 49 |
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| 50 | #include "G4hhIonisation.hh"
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| 51 | #include "G4BraggNoDeltaModel.hh"
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| 52 | #include "G4BetheBlochNoDeltaModel.hh"
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| 53 | #include "G4UniversalFluctuation.hh"
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| 54 | #include "G4BohrFluctuations.hh"
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| 55 | #include "G4UnitsTable.hh"
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| 56 | #include "G4Electron.hh"
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| 57 |
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| 58 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 59 |
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| 60 | G4hhIonisation::G4hhIonisation(const G4String& name)
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| 61 | : G4VEnergyLossProcess(name),
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| 62 | theParticle(0),
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| 63 | theBaseParticle(0),
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| 64 | isInitialised(false)
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| 65 | {
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| 66 | SetStepFunction(0.1, 0.1*mm);
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| 67 | SetVerboseLevel(1);
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| 68 | SetProcessSubType(fIonisation);
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| 69 | mass = 0.0;
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| 70 | ratio = 0.0;
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| 71 | }
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| 72 |
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| 73 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 74 |
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| 75 | G4hhIonisation::~G4hhIonisation()
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| 76 | {}
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| 77 |
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| 78 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 79 |
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| 80 | void G4hhIonisation::InitialiseEnergyLossProcess(const G4ParticleDefinition* part,
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| 81 | const G4ParticleDefinition* bpart)
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| 82 | {
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| 83 | if(isInitialised) return;
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| 84 |
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| 85 | theParticle = part;
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| 86 | if(bpart) G4cout << "G4hhIonisation::InitialiseEnergyLossProcess WARNING: no "
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| 87 | << "base particle should be defined for the process "
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| 88 | << GetProcessName() << G4endl;
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| 89 |
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| 90 | SetBaseParticle(0);
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| 91 | SetSecondaryParticle(G4Electron::Electron());
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| 92 | mass = theParticle->GetPDGMass();
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| 93 | ratio = electron_mass_c2/mass;
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| 94 | eth = 2.0*MeV*mass/proton_mass_c2;
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| 95 | flucModel = new G4BohrFluctuations();
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| 96 |
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| 97 | G4int nm = 1;
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| 98 |
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| 99 | minKinEnergy = MinKinEnergy();
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| 100 |
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| 101 | if(eth > minKinEnergy) {
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| 102 | G4VEmModel* em = new G4BraggNoDeltaModel();
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| 103 | em->SetLowEnergyLimit(minKinEnergy);
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| 104 | em->SetHighEnergyLimit(eth);
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| 105 | AddEmModel(nm, em, flucModel);
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| 106 | nm++;
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| 107 | }
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| 108 |
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| 109 | if(eth < MaxKinEnergy()) {
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| 110 | G4VEmModel* em1 = new G4BetheBlochNoDeltaModel();
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| 111 | em1->SetLowEnergyLimit(std::max(eth,minKinEnergy));
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| 112 | em1->SetHighEnergyLimit(MaxKinEnergy());
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| 113 | AddEmModel(nm, em1, flucModel);
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| 114 | }
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| 115 |
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| 116 | if(verboseLevel>1) {
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| 117 | G4cout << "G4hhIonisation is initialised: Nmodels= " << nm << G4endl;
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| 118 | }
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| 119 | isInitialised = true;
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| 120 | }
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| 121 |
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| 122 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 123 |
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| 124 | void G4hhIonisation::PrintInfo()
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| 125 | {
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| 126 | G4cout << " Delta-ray will not be produced; "
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| 127 | << G4endl;
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| 128 | }
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| 129 |
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| 130 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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