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 // GEANT4 Class header file 00031 // 00032 // Author: Vladimir Ivanchenko 00033 // 00034 // Creation date: 20 July 2009 00035 // 00036 // Modified: 00037 // 00038 //------------------------------------------------------------------------------ 00039 // 00040 00041 // class description 00042 // 00043 // The class simulates nuclear stopping due to multiple scattering 00044 // 00045 // class description - end 00046 00047 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00048 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00049 00050 #ifndef G4NuclearStopping_h 00051 #define G4NuclearStopping_h 1 00052 00053 #include "G4VEmProcess.hh" 00054 #include "globals.hh" 00055 #include "G4Track.hh" 00056 #include "G4Step.hh" 00057 #include "G4ParticleDefinition.hh" 00058 #include "G4GPILSelection.hh" 00059 #include "G4ParticleChangeForLoss.hh" 00060 00061 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00062 00063 class G4ICRU49NuclearStoppingModel; 00064 00065 class G4NuclearStopping : public G4VEmProcess 00066 { 00067 00068 public: // with description 00069 00070 G4NuclearStopping(const G4String& processName="nuclearStopping"); 00071 00072 virtual ~G4NuclearStopping(); 00073 00074 // returns true for charged particles, false otherwise 00075 G4bool IsApplicable (const G4ParticleDefinition& p); 00076 00077 // implementation of pure virtual method 00078 G4double AlongStepGetPhysicalInteractionLength(const G4Track& track, 00079 G4double previousStepSize, 00080 G4double currentMinimumStep, 00081 G4double& proposedSafety, 00082 G4GPILSelection* selection); 00083 00084 // implementation of energy loss along step 00085 G4VParticleChange* AlongStepDoIt(const G4Track& track, 00086 const G4Step& step); 00087 00088 // Print few lines of informations about the process: validity range, 00089 void PrintInfo(); 00090 00091 protected: 00092 00093 // This function initialise process 00094 void InitialiseProcess(const G4ParticleDefinition*); 00095 00096 private: 00097 00098 // copy constructor and hide assignment operator 00099 G4NuclearStopping(G4NuclearStopping &); 00100 G4NuclearStopping & operator=(const G4NuclearStopping &right); 00101 00102 G4ParticleChangeForLoss nParticleChange; 00103 00104 G4ICRU49NuclearStoppingModel* modelICRU49; 00105 00106 G4bool isInitialized; 00107 00108 }; 00109 00110 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00111 00112 #endif