Gabriele Cosmo
109 lines
3.9 KiB
C++
109 lines
3.9 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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// class description
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//
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// The class contains few (physical) quantities related to the Ionisation
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// process, for the Element defined by its atomic number Z
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//
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// 09.03.01: copy constructor and assignement operator in public (mma)
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// 09.07.98: data moved from G4Element (mma)
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#ifndef G4IonisParamElm_HH
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#define G4IonisParamElm_HH
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#include "G4ios.hh"
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#include "globals.hh"
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class G4IonisParamElm
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{
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public: // with description
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G4IonisParamElm(G4double Z);
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~G4IonisParamElm();
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G4IonisParamElm& operator=(const G4IonisParamElm&) = delete;
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G4IonisParamElm(G4IonisParamElm&) = delete;
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// retrieval methods
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// atomic number Z
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G4double GetZ() const { return fZ; }
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// std::pow (Z,1/3)
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G4double GetZ3() const { return fZ3; }
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// std::pow (Z(Z+1),1/3)
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G4double GetZZ3() const { return fZZ3; }
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// std::log(Z)/3
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G4double GetlogZ3() const { return flogZ3; }
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// 0.1*std::pow(Z,1/3)*MeV/proton_mass_c2
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G4double GetTau0() const { return fTau0; };
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// 2*MeV/proton mass
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G4double GetTaul() const { return fTaul; }
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// parameters for the low energy ion.loss
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G4double GetAlow() const { return fAlow; }
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G4double GetBlow() const { return fBlow; }
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G4double GetClow() const { return fClow; }
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// ICRU'37 report
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G4double GetMeanExcitationEnergy() const { return fMeanExcitationEnergy; }
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G4double GetFermiVelocity() const { return fVFermi; };
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G4double GetLFactor() const { return fLFactor; };
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// shell correction coefficients
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G4double* GetShellCorrectionVector() const { return fShellCorrectionVector; }
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G4bool operator==(const G4IonisParamElm&) const = delete;
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G4bool operator!=(const G4IonisParamElm&) const = delete;
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private:
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//
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// data members
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//
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G4double fZ; // effective Z
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G4double fZ3; // std::pow (Z,1/3)
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G4double fZZ3; // std::pow (Z(Z+1),1/3)
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G4double flogZ3; // std::log(Z)/3
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// ------ ionisation loss ---------------------------------
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G4double fTau0; // 0.1*std::pow(Z,1/3)*MeV/proton_mass_c2
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G4double fTaul; // 2*MeV/proton mass
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G4double fBetheBlochLow; // Bethe-Bloch at fTaul*particle mass
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G4double fAlow, fBlow, fClow; // parameters for the low energy ion.loss
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G4double fMeanExcitationEnergy; //
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G4double* fShellCorrectionVector; // shell correction coefficients
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// parameters for ion corrections computations
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G4double fVFermi;
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G4double fLFactor;
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};
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#endif
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