Gabriele Cosmo
152 lines
5.9 KiB
C++
152 lines
5.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// $Id: G4eIonisation.cc 107058 2017-11-01 14:54:12Z gcosmo $
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class file
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//
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//
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// File name: G4eIonisation
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//
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// Author: Laszlo Urban
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//
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// Creation date: 20.03.1997
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//
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// Modifications:
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//
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// 07-04-98 remove 'tracking cut' of the ionizing particle, mma
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// 04-09-98 new methods SetBining() PrintInfo()
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// 07-09-98 Cleanup
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// 02-02-99 correction inDoIt , L.Urban
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// 10-02-00 modifications , new e.m. structure, L.Urban
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// 28-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation
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// 09-08-01 new methods Store/Retrieve PhysicsTable (mma)
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// 13-08-01 new function ComputeRestrictedMeandEdx() (mma)
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// 17-09-01 migration of Materials to pure STL (mma)
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// 21-09-01 completion of RetrievePhysicsTable() (mma)
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// 29-10-01 all static functions no more inlined (mma)
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// 07-11-01 particleMass and Charge become local variables
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// 26-03-02 change access to cuts in BuildLossTables (V.Ivanchenko)
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// 30-04-02 V.Ivanchenko update to new design
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// 23-12-02 Change interface in order to move to cut per region (VI)
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// 26-12-02 Secondary production moved to derived classes (VI)
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// 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko)
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// 23-05-03 Define default integral + BohrFluctuations (V.Ivanchenko)
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// 03-06-03 Fix initialisation problem for STD ionisation (V.Ivanchenko)
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// 08-08-03 STD substitute standard (V.Ivanchenko)
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// 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
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// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
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// 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
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// 12-08-05 SetStepLimits(0.2, 0.1*mm) (mma)
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// 02-09-05 Return SetStepLimits(1, 1*mm) (V.Ivantchenko)
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// 10-01-06 SetStepLimits -> SetStepFunction (V.Ivantchenko)
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// 14-01-07 use SetEmModel() and SetFluctModel() from G4VEnergyLossProcess (mma)
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//
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// -------------------------------------------------------------------
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#include "G4eIonisation.hh"
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#include "G4Electron.hh"
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#include "G4MollerBhabhaModel.hh"
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#include "G4UniversalFluctuation.hh"
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#include "G4BohrFluctuations.hh"
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#include "G4UnitsTable.hh"
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#include "G4EmParameters.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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using namespace std;
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G4eIonisation::G4eIonisation(const G4String& name)
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: G4VEnergyLossProcess(name),
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theElectron(G4Electron::Electron()),
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isElectron(true),
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isInitialised(false)
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{
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SetProcessSubType(fIonisation);
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SetSecondaryParticle(theElectron);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4eIonisation::~G4eIonisation()
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{}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4double G4eIonisation::MinPrimaryEnergy(const G4ParticleDefinition*,
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const G4Material*,
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G4double cut)
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{
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G4double x = cut;
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if(isElectron) x += cut;
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return x;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4bool G4eIonisation::IsApplicable(const G4ParticleDefinition& p)
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{
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return (&p == theElectron || &p == G4Positron::Positron());
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4eIonisation::InitialiseEnergyLossProcess(
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const G4ParticleDefinition* part,
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const G4ParticleDefinition*)
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{
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if(!isInitialised) {
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if(part != theElectron) { isElectron = false; }
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if (!EmModel(0)) { SetEmModel(new G4MollerBhabhaModel()); }
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G4EmParameters* param = G4EmParameters::Instance();
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EmModel(0)->SetLowEnergyLimit(param->MinKinEnergy());
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EmModel(0)->SetHighEnergyLimit(param->MaxKinEnergy());
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if (!FluctModel()) { SetFluctModel(new G4UniversalFluctuation()); }
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AddEmModel(1, EmModel(), FluctModel());
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isInitialised = true;
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4eIonisation::PrintInfo()
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{}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4eIonisation::ProcessDescription(std::ostream& out) const
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{
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out << "<strong>Ionisation</strong>";
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G4VEnergyLossProcess::ProcessDescription(out);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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