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0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class header file
0030 //
0031 //
0032 // File name:     G4hIonisation
0033 //
0034 // Author:        Laszlo Urban
0035 //
0036 // Creation date: 30.05.1997
0037 //
0038 // Modifications:
0039 //
0040 // corrected by L.Urban on 24/09/97
0041 // corrected by L.Urban on 13/01/98
0042 // bugs fixed by L.Urban on 02/02/99
0043 // 10/02/00 modifications , new e.m. structure, L.Urban
0044 // 10-08-01 new methods Store/Retrieve PhysicsTable (mma)
0045 // 14-08-01 new function ComputeRestrictedMeandEdx() + 'cleanup' (mma)
0046 // 19-09-01 come back to previous process name "hIoni"
0047 // 29-10-01 all static functions no more inlined
0048 // 07-01-02 new design of em processes (V.Ivanchenko)
0049 // 26-12-02 secondary production moved to derived classes (VI)
0050 // 24-01-03 Make models region aware (V.Ivanchenko)
0051 // 05-02-03 Fix compilation warnings (V.Ivanchenko)
0052 // 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko)
0053 // 15-02-03 Add control on delta pointer (V.Ivanchenko)
0054 // 23-05-03 Add fluctuation model as a member function (V.Ivanchenko)
0055 // 03-06-03 Fix initialisation problem for STD ionisation (V.Ivanchenko)
0056 // 16-06-03 ShortLived are not applicable any more (V.Ivanchenko)
0057 // 08-08-03 STD substitute standard  (V.Ivanchenko)
0058 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
0059 // 21-01-04 Migrade to G4ParticleChangeForLoss (V.Ivanchenko)
0060 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
0061 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
0062 // 11-04-04 Move MaxSecondaryEnergy to models (V.Ivanchenko)
0063 // 12-09-08 Removed CorrectionsAlongStep (VI)
0064 //
0065 // Class Description:
0066 //
0067 // This class manages the ionisation process for hadrons.
0068 // it inherites from G4VContinuousDiscreteProcess via G4VEnergyLoss.
0069 //
0070 
0071 // -------------------------------------------------------------------
0072 //
0073 
0074 #ifndef G4hIonisation_h
0075 #define G4hIonisation_h 1
0076 
0077 #include "G4VEnergyLossProcess.hh"
0078 #include "G4Electron.hh"
0079 #include "G4Positron.hh"
0080 #include "globals.hh"
0081 
0082 class G4Material;
0083 
0084 class G4hIonisation : public G4VEnergyLossProcess
0085 {
0086 
0087 public:
0088 
0089   explicit G4hIonisation(const G4String& name = "hIoni");
0090 
0091   ~G4hIonisation() override = default;
0092 
0093   G4bool IsApplicable(const G4ParticleDefinition& p) override;
0094 
0095   G4double MinPrimaryEnergy(const G4ParticleDefinition* p,
0096                 const G4Material*, G4double cut) final;
0097 
0098   // print documentation in html format
0099   void ProcessDescription(std::ostream&) const override;
0100 
0101   // hide assignment operator
0102   G4hIonisation & operator=(const G4hIonisation &right) = delete;
0103   G4hIonisation(const G4hIonisation&) = delete;
0104 
0105 protected:
0106 
0107   void InitialiseEnergyLossProcess(const G4ParticleDefinition*,
0108                    const G4ParticleDefinition*) override;
0109 
0110 private:
0111 
0112   G4bool isInitialised = false;
0113   G4double mass = 0.0;
0114   G4double ratio = 0.0;
0115   G4double eth;
0116 };
0117 
0118 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0119 
0120 #endif