| 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 | //
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| 27 | // ------------------------------------------------------------
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| 28 | // GEANT 4 class header file
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| 29 | //
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| 30 | // History: based on object model of
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| 31 | // 2nd December 1995, G.Cosmo
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| 32 | // ---------- G4hLowEnergyIonisation physics process -----
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| 33 | // by Vladimir Ivanchenko, 14 July 1999
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| 34 | // was made on the base of G4hIonisation class
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| 35 | // developed by Laszlo Urban
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| 36 | // ************************************************************
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| 37 |
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| 38 | // ************************************************************
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| 39 | // 28 July 1999 V.Ivanchenko cleen up
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| 40 | // 17 August 1999 G.Mancinelli implemented ICRU parametrization (protons)
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| 41 | // 20 August 1999 G.Mancinelli implemented ICRU parametrization (alpha)
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| 42 | // 31 August 1999 V.Ivanchenko update and cleen up
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| 43 | // 23 May 2000 MG Pia Clean up for QAO model
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| 44 | // 25 July 2000 V.Ivanchenko New design iteration
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| 45 | // 09 August 2000 V.Ivanchenko Add GetContinuousStepLimit
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| 46 | // 17 August 2000 V.Ivanchenko Add IonFluctuationModel
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| 47 | // 23 Oct 2000 V.Ivanchenko Renew comments
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| 48 | // 30 Oct 2001 V.Ivanchenko Add minGammaEnergy and minElectronEnergy
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| 49 | // 07 Dec 2001 V.Ivanchenko Add SetFluorescence method
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| 50 | // 26 Feb 2002 V.Ivanchenko Add initialMass for GenericIons
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| 51 | // 21 Jan 2003 V.Ivanchenko Cut per region
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| 52 | // ------------------------------------------------------------
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| 53 |
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| 54 | // Class Description:
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| 55 | // Ionisation process of charged hadrons and ions, including low energy
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| 56 | // extensions
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| 57 | // The physics model is described in CERN-OPEN-99-121 and CERN-OPEN-99-300.
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| 58 | // The user may select parametrisation tables for electronic
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| 59 | // stopping powers and nuclear stopping powers
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| 60 | // The list of available tables:
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| 61 | // Electronic stopping powers: "ICRU_49p" (default), "ICRU_49He",
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| 62 | // "Ziegler1977p", "Ziegler1985p",
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| 63 | // "Ziegler1977He"
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| 64 | // Nuclear stopping powers: "ICRU_49" (default), "Ziegler1977",
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| 65 | // "Ziegler1985"
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| 66 | // Further documentation available from http://www.ge.infn.it/geant4/lowE
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| 67 | // and in the Physics Reference Manual
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| 68 |
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| 69 | // ------------------------------------------------------------
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| 70 |
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| 71 | #ifndef G4hLowEnergyIonisation_h
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| 72 | #define G4hLowEnergyIonisation_h 1
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| 73 |
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| 74 | #include "globals.hh"
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| 75 | #include "G4hLowEnergyLoss.hh"
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| 76 | #include "G4VLowEnergyModel.hh"
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| 77 | #include "G4Track.hh"
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| 78 | #include "G4Step.hh"
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| 79 | #include "G4Electron.hh"
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| 80 | #include "G4PhysicsLogVector.hh"
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| 81 | #include "G4PhysicsLinearVector.hh"
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| 82 | #include "G4hNuclearStoppingModel.hh"
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| 83 | #include "G4hBetheBlochModel.hh"
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| 84 | #include "G4hParametrisedLossModel.hh"
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| 85 | #include "G4QAOLowEnergyLoss.hh"
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| 86 | #include "G4hIonEffChargeSquare.hh"
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| 87 | #include "G4IonChuFluctuationModel.hh"
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| 88 | #include "G4IonYangFluctuationModel.hh"
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| 89 | #include "G4AtomicDeexcitation.hh"
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| 90 | #include "G4MaterialCutsCouple.hh"
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| 91 | #include <map>
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| 92 |
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| 93 | class G4VEMDataSet;
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| 94 | class G4ShellVacancy;
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| 95 | class G4VhShellCrossSection;
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| 96 |
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| 97 | class G4hLowEnergyIonisation : public G4hLowEnergyLoss
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| 98 | {
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| 99 | public: // With description
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| 100 |
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| 101 | G4hLowEnergyIonisation(const G4String& processName = "hLowEIoni");
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| 102 | // The ionisation process for hadrons/ions to be include in the
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| 103 | // UserPhysicsList
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| 104 |
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| 105 | ~G4hLowEnergyIonisation();
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| 106 | // Destructor
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| 107 |
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| 108 | G4bool IsApplicable(const G4ParticleDefinition&);
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| 109 | // True for all charged hadrons/ions
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| 110 |
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| 111 | void BuildPhysicsTable(const G4ParticleDefinition& aParticleType) ;
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| 112 | // Build physics table during initialisation
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| 113 |
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| 114 | G4double GetMeanFreePath(const G4Track& track,
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| 115 | G4double previousStepSize,
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| 116 | enum G4ForceCondition* condition );
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| 117 | // Return MeanFreePath until delta-electron production
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| 118 |
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| 119 | void PrintInfoDefinition() const;
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| 120 | // Print out of the class parameters
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| 121 |
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| 122 | void SetHighEnergyForProtonParametrisation(G4double energy)
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| 123 | {protonHighEnergy = energy;} ;
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| 124 | // Definition of the boundary proton energy. For higher energies
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| 125 | // Bethe-Bloch formula is used, for lower energies a parametrisation
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| 126 | // of the energy losses is performed. Default is 2 MeV.
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| 127 |
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| 128 | void SetLowEnergyForProtonParametrisation(G4double energy)
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| 129 | {protonLowEnergy = energy;} ;
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| 130 | // Set of the boundary proton energy. For lower energies
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| 131 | // the Free Electron Gas model is used for the energy losses.
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| 132 | // Default is 1 keV.
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| 133 |
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| 134 | void SetHighEnergyForAntiProtonParametrisation(G4double energy)
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| 135 | {antiProtonHighEnergy = energy;} ;
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| 136 | // Set of the boundary antiproton energy. For higher energies
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| 137 | // Bethe-Bloch formula is used, for lower energies parametrisation
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| 138 | // of the energy losses is performed. Default is 2 MeV.
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| 139 |
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| 140 | void SetLowEnergyForAntiProtonParametrisation(G4double energy)
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| 141 | {antiProtonLowEnergy = energy;} ;
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| 142 | // Set of the boundary antiproton energy. For lower energies
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| 143 | // the Free Electron Gas model is used for the energy losses.
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| 144 | // Default is 1 keV.
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| 145 |
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| 146 | G4double GetContinuousStepLimit(const G4Track& track,
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| 147 | G4double previousStepSize,
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| 148 | G4double currentMinimumStep,
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| 149 | G4double& currentSafety);
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| 150 | // Calculation of the step limit due to ionisation losses
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| 151 |
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| 152 | void SetElectronicStoppingPowerModel(const G4ParticleDefinition* aParticle,
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| 153 | const G4String& dedxTable);
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| 154 | // This method defines the electron ionisation parametrisation method
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| 155 | // via the name of the table. Default is "ICRU_49p".
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| 156 |
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| 157 | void SetNuclearStoppingPowerModel(const G4String& dedxTable)
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| 158 | {theNuclearTable = dedxTable; SetNuclearStoppingOn();};
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| 159 | // This method defines the nuclear ionisation parametrisation method
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| 160 | // via the name of the table. Default is "ICRU_49".
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| 161 |
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| 162 | void SetNuclearStoppingOn() {nStopping = true;};
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| 163 | // This method switch on calculation of the nuclear stopping power.
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| 164 |
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| 165 | void SetNuclearStoppingOff() {nStopping = false;};
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| 166 | // This method switch off calculation of the nuclear stopping power.
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| 167 |
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| 168 | void SetBarkasOn() {theBarkas = true;};
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| 169 | // This method switch on calculation of the Barkas and Bloch effects.
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| 170 |
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| 171 | void SetBarkasOff() {theBarkas = false;};
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| 172 | // This method switch off calculation of the Barkas and Bloch effects.
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| 173 |
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| 174 | void SetFluorescence(const G4bool val) {theFluo = val;};
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| 175 | // This method switch on/off simulation of the fluorescence of the media.
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| 176 |
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| 177 | G4VParticleChange* AlongStepDoIt(const G4Track& trackData ,
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| 178 | const G4Step& stepData ) ;
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| 179 | // Function to determine total energy deposition on the step
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| 180 |
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| 181 | G4VParticleChange* PostStepDoIt(const G4Track& track,
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| 182 | const G4Step& Step ) ;
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| 183 | // Simulation of delta rays production.
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| 184 |
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| 185 | G4double ComputeDEDX(const G4ParticleDefinition* aParticle,
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| 186 | const G4MaterialCutsCouple* couple,
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| 187 | G4double kineticEnergy);
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| 188 | // This method returns electronic dE/dx for protons or antiproton.
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| 189 |
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| 190 | void SetCutForSecondaryPhotons(G4double cut);
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| 191 | // Set threshold energy for fluorescence
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| 192 |
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| 193 | void SetCutForAugerElectrons(G4double cut);
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| 194 | // Set threshold energy for Auger electron production
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| 195 |
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| 196 | void ActivateAugerElectronProduction(G4bool val);
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| 197 | // Set Auger electron production flag on/off
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| 198 |
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| 199 |
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| 200 | protected:
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| 201 |
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| 202 | private:
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| 203 |
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| 204 | void InitializeMe();
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| 205 |
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| 206 | void InitializeParametrisation();
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| 207 |
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| 208 | void BuildLossTable(const G4ParticleDefinition& aParticleType);
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| 209 |
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| 210 | void BuildDataForFluorescence(const G4ParticleDefinition& aParticleType);
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| 211 |
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| 212 | void BuildLambdaTable(const G4ParticleDefinition& aParticleType);
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| 213 |
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| 214 | void SetProtonElectronicStoppingPowerModel(const G4String& dedxTable)
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| 215 | {theProtonTable = dedxTable ;};
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| 216 | // This method defines the ionisation parametrisation method via its name
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| 217 |
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| 218 | void SetAntiProtonElectronicStoppingPowerModel(const G4String& dedxTable)
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| 219 | {theAntiProtonTable = dedxTable ;};
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| 220 |
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| 221 | G4double ComputeMicroscopicCrossSection(
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| 222 | const G4ParticleDefinition& aParticleType,
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| 223 | G4double kineticEnergy,
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| 224 | G4double atomicNumber,
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| 225 | G4double deltaCutInEnergy) const;
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| 226 |
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| 227 | G4double GetConstraints(const G4DynamicParticle* particle,
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| 228 | const G4MaterialCutsCouple* couple);
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| 229 | // Function to determine StepLimit
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| 230 |
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| 231 | G4double ProtonParametrisedDEDX(const G4MaterialCutsCouple* couple,
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| 232 | G4double kineticEnergy) const;
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| 233 |
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| 234 | G4double AntiProtonParametrisedDEDX(const G4MaterialCutsCouple* couple,
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| 235 | G4double kineticEnergy) const;
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| 236 |
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| 237 | G4double DeltaRaysEnergy(const G4MaterialCutsCouple* couple,
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| 238 | G4double kineticEnergy,
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| 239 | G4double particleMass) const;
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| 240 | // This method returns average energy loss due to delta-rays emission with
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| 241 | // energy higher than the cut energy for given material.
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| 242 |
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| 243 | G4double BarkasTerm(const G4Material* material,
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| 244 | G4double kineticEnergy) const;
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| 245 | // Function to compute the Barkas term for protons
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| 246 |
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| 247 | G4double BlochTerm(const G4Material* material,
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| 248 | G4double kineticEnergy,
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| 249 | G4double cSquare) const;
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| 250 | // Function to compute the Bloch term for protons
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| 251 |
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| 252 | G4double ElectronicLossFluctuation(const G4DynamicParticle* particle,
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| 253 | const G4MaterialCutsCouple* material,
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| 254 | G4double meanLoss,
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| 255 | G4double step) const;
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| 256 | // Function to sample electronic losses
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| 257 |
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| 258 | std::vector<G4DynamicParticle*>* DeexciteAtom(const G4MaterialCutsCouple* couple,
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| 259 | G4double incidentEnergy,
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| 260 | G4double hMass,
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| 261 | G4double eLoss);
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| 262 |
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| 263 | G4int SelectRandomAtom(const G4MaterialCutsCouple* couple,
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| 264 | G4double kineticEnergy) const;
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| 265 |
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| 266 | // hide assignment operator
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| 267 | G4hLowEnergyIonisation & operator=(const G4hLowEnergyIonisation &right);
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| 268 | G4hLowEnergyIonisation(const G4hLowEnergyIonisation&);
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| 269 |
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| 270 | private:
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| 271 | // private data members ...............................
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| 272 | G4VLowEnergyModel* theBetheBlochModel;
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| 273 | G4VLowEnergyModel* theProtonModel;
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| 274 | G4VLowEnergyModel* theAntiProtonModel;
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| 275 | G4VLowEnergyModel* theIonEffChargeModel;
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| 276 | G4VLowEnergyModel* theNuclearStoppingModel;
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| 277 | G4VLowEnergyModel* theIonChuFluctuationModel;
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| 278 | G4VLowEnergyModel* theIonYangFluctuationModel;
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| 279 | std::map<G4int,G4double,std::less<G4int> > totalCrossSectionMap;
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| 280 |
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| 281 | // name of parametrisation table of electron stopping power
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| 282 | G4String theProtonTable;
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| 283 | G4String theAntiProtonTable;
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| 284 | G4String theNuclearTable;
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| 285 |
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| 286 | // interval of parametrisation of electron stopping power
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| 287 | G4double protonLowEnergy;
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| 288 | G4double protonHighEnergy;
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| 289 | G4double antiProtonLowEnergy;
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| 290 | G4double antiProtonHighEnergy;
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| 291 |
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| 292 | // flag of parametrisation of nucleus stopping power
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| 293 | G4bool nStopping;
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| 294 | G4bool theBarkas;
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| 295 |
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| 296 | G4DataVector cutForDelta;
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| 297 | G4DataVector cutForGamma;
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| 298 | G4double minGammaEnergy;
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| 299 | G4double minElectronEnergy;
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| 300 | G4PhysicsTable* theMeanFreePathTable;
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| 301 |
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| 302 | const G4double paramStepLimit; // parameter limits the step at low energy
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| 303 |
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| 304 | G4double fdEdx; // computed in GetContraints
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| 305 | G4double fRangeNow ; //
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| 306 | G4double charge; //
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| 307 | G4double chargeSquare; //
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| 308 | G4double initialMass; // mass to calculate Lambda tables
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| 309 | G4double fBarkas;
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| 310 |
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| 311 | G4AtomicDeexcitation deexcitationManager;
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| 312 | G4ShellVacancy* shellVacancy;
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| 313 | G4VhShellCrossSection* shellCS;
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| 314 | std::vector<G4VEMDataSet*> zFluoDataVector;
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| 315 | G4bool theFluo;
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| 316 | G4bool expFlag;
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| 317 | };
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| 318 |
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| 319 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 320 |
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| 321 | inline G4double G4hLowEnergyIonisation::GetContinuousStepLimit(
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| 322 | const G4Track& track,
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| 323 | G4double,
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| 324 | G4double currentMinimumStep,
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| 325 | G4double&)
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| 326 | {
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| 327 | G4double Step =
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| 328 | GetConstraints(track.GetDynamicParticle(),track.GetMaterialCutsCouple()) ;
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| 329 |
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| 330 | if((Step>0.0)&&(Step<currentMinimumStep))
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| 331 | currentMinimumStep = Step ;
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| 332 |
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| 333 | return Step ;
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| 334 | }
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| 335 |
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| 336 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 337 |
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| 338 | inline G4bool G4hLowEnergyIonisation::IsApplicable(
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| 339 | const G4ParticleDefinition& particle)
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| 340 | {
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| 341 | return(particle.GetPDGCharge() != 0.0
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| 342 | && particle.GetPDGMass() > proton_mass_c2*0.1);
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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 | #endif
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| 348 |
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| 349 |
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| 350 |
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| 351 |
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| 352 |
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| 353 |
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| 354 |
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| 355 |
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