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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // 27 // ------------------------------------------------------------------- 28 // 29 // GEANT4 Class file 30 // 31 // 32 // File name: G4VhElectronicStoppingPower 33 // 34 // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch) 35 // 36 // Creation date: 20 July 2000 37 // 38 // Modifications: 39 // 20/07/2000 V.Ivanchenko First implementation 40 // 41 // Class Description: 42 // 43 // Low energy hadrons/ions electronic stopping power parametrisation 44 // Virtual class to provide the interface between G4hLowEnergyIonisation 45 // and a model of energy loss of low energy proton or alpha particle. 46 // Further documentation available from http://www.ge.infn.it/geant4/lowE 47 48 // ------------------------------------------------------------------- 49 // 50 51 #ifndef G4VhElectronicStoppingPower_h 52 #define G4VhElectronicStoppingPower_h 1 53 54 #include "G4ios.hh" 55 #include "globals.hh" 56 57 class G4Material; 58 59 class G4VhElectronicStoppingPower 60 { 61 public: 62 explicit G4VhElectronicStoppingPower(); 63 virtual ~G4VhElectronicStoppingPower(); 64 65 virtual G4double StoppingPower(const G4Material* material, 66 G4double kineticEnergy) = 0 ; 67 68 virtual G4bool HasMaterial(const G4Material* material) = 0 ; 69 70 virtual G4double ElectronicStoppingPower(G4double z, 71 G4double kineticEnergy) const = 0; 72 73 G4VhElectronicStoppingPower(G4VhElectronicStoppingPower &) = delete; 74 G4VhElectronicStoppingPower & operator = 75 (const G4VhElectronicStoppingPower &right) = delete; 76 77 protected: 78 79 /// This method returns He effective charge square parametrised according to 80 /// J.F.Ziegler, J.P. Biersack, U. Littmark 81 /// The Stopping and Range of Ions in Matter, 82 /// Vol.1, Pergamon Press, 1985 83 G4double HeEffChargeSquare(const G4double z, 84 const G4double kineticEnergyHe) const; 85 86 G4double GetHeMassAMU() const {return theHeMassAMU;}; 87 88 private: 89 90 const G4double theHeMassAMU; 91 }; 92 93 #endif 94