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 // ------------------------------------------------------------------- 00028 // 00029 // GEANT4 Class file 00030 // 00031 // 00032 // File name: G4hParametrisedLossModel 00033 // 00034 // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch) 00035 // 00036 // Creation date: 20 July 2000 00037 // 00038 // Modifications: 00039 // 20/07/2000 V.Ivanchenko First implementation 00040 // 00041 // Class Description: 00042 // 00043 // Low energy hadrons/ions ionisation parameterisation 00044 // Further documentation available from http://www.ge.infn.it/geant4/lowE/ 00045 00046 // ------------------------------------------------------------------- 00047 // 00048 00049 #ifndef G4hParametrisedLossModel_h 00050 #define G4hParametrisedLossModel_h 1 00051 00052 #include "globals.hh" 00053 #include "G4VLowEnergyModel.hh" 00054 #include "G4VhElectronicStoppingPower.hh" 00055 00056 class G4DynamicParticle; 00057 class G4ParticleDefinition; 00058 class G4Material; 00059 00060 class G4hParametrisedLossModel : public G4VLowEnergyModel 00061 { 00062 00063 public: 00064 00065 G4hParametrisedLossModel(const G4String& name) ; 00066 00067 ~G4hParametrisedLossModel() ; 00068 00069 G4double TheValue(const G4DynamicParticle* particle, 00070 const G4Material* material); 00071 00072 G4double TheValue(const G4ParticleDefinition* aParticle, 00073 const G4Material* material, 00074 G4double kineticEnergy); 00075 00076 G4double HighEnergyLimit(const G4ParticleDefinition* aParticle, 00077 const G4Material* material) const; 00078 00079 G4double LowEnergyLimit(const G4ParticleDefinition* aParticle, 00080 const G4Material* material) const; 00081 00082 G4double HighEnergyLimit(const G4ParticleDefinition* aParticle) const; 00083 00084 G4double LowEnergyLimit(const G4ParticleDefinition* aParticle) const; 00085 00086 G4bool IsInCharge(const G4DynamicParticle* particle, 00087 const G4Material* material) const; 00088 00089 G4bool IsInCharge(const G4ParticleDefinition* aParticle, 00090 const G4Material* material) const; 00091 00092 G4String ModelName() const {return modelName;}; 00093 00094 protected: 00095 00096 private: 00097 00098 // hide assignment operator 00099 G4hParametrisedLossModel(G4hParametrisedLossModel &); 00100 G4hParametrisedLossModel & operator=(const G4hParametrisedLossModel &right); 00101 00102 void InitializeMe(); 00103 00104 G4double StoppingPower(const G4Material* material, 00105 G4double kineticEnergy); 00106 00107 G4bool MolecIsInZiegler1988(const G4Material* material) ; 00108 00109 void SetExpStopPower125(G4double value) {expStopPower125 = value;}; 00110 00111 G4double ChemicalFactor(G4double kineticEnergy, G4double eloss125) const; 00112 00113 // Pointer to the parametrisation class 00114 G4VhElectronicStoppingPower* eStopingPowerTable; 00115 00116 G4double theZieglerFactor; // Factor to convert the Stopping Power 00117 // unit [ev/(10^15 atoms/cm^2] 00118 // into the Geant4 dE/dx unit 00119 G4String modelName; 00120 00121 G4double lowEnergyLimit; 00122 G4double highEnergyLimit; 00123 00124 G4double expStopPower125; // Experimental Stopping power at 125keV 00125 00126 }; 00127 00128 #endif