00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id: G4IonisParamElm.hh 67044 2013-01-30 08:50:06Z gcosmo $ 00028 // 00029 00030 // class description 00031 // 00032 // The class contains few (physical) quantities related to the Ionisation 00033 // process, for the Element defined by its atomic number Z 00034 // 00035 00036 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... 00037 00038 // 09.03.01: copy constructor and assignement operator in public (mma) 00039 // 09.07.98: data moved from G4Element (mma) 00040 00041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... 00042 00043 #ifndef G4IonisParamElm_HH 00044 #define G4IonisParamElm_HH 00045 00046 #include "G4ios.hh" 00047 #include "globals.hh" 00048 00049 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo.... 00050 00051 class G4IonisParamElm 00052 { 00053 public: // with description 00054 00055 G4IonisParamElm(G4double Z); 00056 virtual ~G4IonisParamElm(); 00057 00058 // retrieval methods 00059 00060 G4double GetZ() const {return fZ;} // atomic number Z 00061 G4double GetZ3() const {return fZ3;} // std::pow (Z,1/3) 00062 G4double GetZZ3() const {return fZZ3;} // std::pow (Z(Z+1),1/3) 00063 G4double GetlogZ3() const {return flogZ3;} // std::log(Z)/3 00064 00065 G4double GetTau0() const {return fTau0;}; 00066 // 0.1*std::pow(Z,1/3)*MeV/proton_mass_c2 00067 00068 G4double GetTaul() const {return fTaul;} // 2*MeV/proton mass 00069 00070 G4double GetAlow() const {return fAlow;} 00071 G4double GetBlow() const {return fBlow;} 00072 G4double GetClow() const {return fClow;} 00073 // parameters for the low energy ion.loss 00074 00075 G4double GetMeanExcitationEnergy() const {return fMeanExcitationEnergy;} 00076 // ICRU'37 report 00077 00078 G4double GetFermiVelocity() const {return fVFermi;}; 00079 G4double GetLFactor() const {return fLFactor;}; 00080 00081 G4double* GetShellCorrectionVector() const {return fShellCorrectionVector;} 00082 // shell correction coefficients 00083 00084 public: // without description 00085 00086 G4IonisParamElm(G4IonisParamElm&); 00087 G4IonisParamElm& operator=(const G4IonisParamElm&); 00088 G4int operator==(const G4IonisParamElm&) const; 00089 G4int operator!=(const G4IonisParamElm&) const; 00090 00091 G4IonisParamElm(__void__&); 00092 // Fake default constructor for usage restricted to direct object 00093 // persistency for clients requiring preallocation of memory for 00094 // persistifiable objects. 00095 00096 private: 00097 00098 // 00099 // data members 00100 // 00101 G4double fZ; // effective Z 00102 G4double fZ3; // std::pow (Z,1/3) 00103 G4double fZZ3; // std::pow (Z(Z+1),1/3) 00104 G4double flogZ3; // std::log(Z)/3 00105 00106 // ------ ionisation loss --------------------------------- 00107 00108 G4double fTau0 ; // 0.1*std::pow(Z,1/3)*MeV/proton_mass_c2 00109 G4double fTaul ; // 2*MeV/proton mass 00110 G4double fBetheBlochLow; // Bethe-Bloch at fTaul*particle mass 00111 G4double fAlow,fBlow,fClow; // parameters for the low energy ion.loss 00112 G4double fMeanExcitationEnergy; // 00113 G4double* fShellCorrectionVector; // shell correction coefficients 00114 00115 // parameters for ion corrections computations 00116 G4double fVFermi; 00117 G4double fLFactor; 00118 }; 00119 00120 #endif