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 // $Id$ 00027 // 00028 // ------------------------------------------------------------------- 00029 // 00030 // 00031 // GEANT4 Class header file 00032 // 00033 // 00034 // File name: G4ICRU49NuclearStoppingModel 00035 // 00036 // Author: V.Ivanchenko 00037 // 00038 // Creation date: 20.07.2009 00039 // 00040 // Modifications: 00041 // 00042 // 00043 // Class Description: 00044 // 00045 // Implementation of the ICRU'49 model of nuclear stopping 00046 00047 // ------------------------------------------------------------------- 00048 // 00049 00050 #ifndef G4ICRU49NuclearStoppingModel_h 00051 #define G4ICRU49NuclearStoppingModel_h 1 00052 00053 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00054 00055 #include "G4VEmModel.hh" 00056 00057 class G4ParticleChangeForLoss; 00058 class G4Pow; 00059 00060 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00061 00062 class G4ICRU49NuclearStoppingModel : public G4VEmModel 00063 { 00064 00065 public: 00066 00067 G4ICRU49NuclearStoppingModel(const G4String& nam = "ICRU49NucStopping"); 00068 00069 virtual ~G4ICRU49NuclearStoppingModel(); 00070 00071 virtual void Initialise(const G4ParticleDefinition*, 00072 const G4DataVector&); 00073 00074 // main method to compute dEdx 00075 virtual G4double ComputeDEDXPerVolume(const G4Material*, 00076 const G4ParticleDefinition*, 00077 G4double kineticEnergy, 00078 G4double cutEnergy = DBL_MAX); 00079 00080 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*, 00081 const G4MaterialCutsCouple*, 00082 const G4DynamicParticle*, 00083 G4double, G4double); 00084 00085 inline void SetFluctuationFlag(G4bool); 00086 00087 private: 00088 00089 void InitialiseNuclearStopping(); 00090 00091 G4double NuclearStoppingPower(G4double kineticEnergy, 00092 G4double Z1, G4double Z2, 00093 G4double A1, G4double A2); 00094 00095 // hide assignment operator 00096 G4ICRU49NuclearStoppingModel & operator=(const G4ICRU49NuclearStoppingModel &right); 00097 G4ICRU49NuclearStoppingModel(const G4ICRU49NuclearStoppingModel&); 00098 00099 G4Pow* g4pow; 00100 00101 static G4double ed[104]; 00102 static G4double ad[104]; 00103 00104 G4double theZieglerFactor; 00105 00106 // flags 00107 G4bool lossFlucFlag; 00108 }; 00109 00110 inline void G4ICRU49NuclearStoppingModel::SetFluctuationFlag(G4bool val) 00111 { 00112 lossFlucFlag = val; 00113 } 00114 00115 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00116 00117 #endif 00118