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 // $Id$ 00028 // 00029 // 00030 // ------------------------------------------------------------ 00031 // GEANT 4 class header file 00032 // 00033 // History: first implementation, based on object model of 00034 // 2nd December 1995, G.Cosmo 00035 // 00036 // Class Description 00037 // Abstract class which defines the public behavior of 00038 // physics interactions at rest. 00039 // 00040 // ------------------------------------------------------------ 00041 // New Physics scheme 18 Dec. 1996 H.Kurahige 00042 // ------------------------------------------------------------ 00043 // modified 25 Feb. 1997 H.Kurahige 00044 // modified 8 Mar. 1997 H.Kurahige 00045 // modified 26 Mar. 1997 H.Kurahige 00046 // modified 16 Apr. 1997 L.Urban 00047 // modified 17 Dec. 1997 L.Urban 00048 // modified for new ParticleChange 12 Mar. 1998 H.Kurashige 00049 00050 00051 #ifndef G4VRestProcess_h 00052 #define G4VRestProcess_h 1 00053 00054 #include "globals.hh" 00055 #include "G4ios.hh" 00056 00057 #include "G4VProcess.hh" 00058 00059 00060 class G4VRestProcess : public G4VProcess 00061 { 00062 // Abstract class which defines the public behavior of 00063 // physics interactions at rest. 00064 00065 public: 00066 G4VRestProcess(const G4String& , 00067 G4ProcessType aType = fNotDefined ); 00068 G4VRestProcess(G4VRestProcess& ); 00069 00070 virtual ~G4VRestProcess(); 00071 00072 public: // with description 00073 virtual G4double AtRestGetPhysicalInteractionLength( 00074 const G4Track& track, 00075 G4ForceCondition* condition 00076 ); 00077 00078 virtual G4VParticleChange* AtRestDoIt( 00079 const G4Track& , 00080 const G4Step& 00081 ); 00082 00083 // no operation in PostStepDoIt and AlongStepDoIt 00084 virtual G4double AlongStepGetPhysicalInteractionLength( 00085 const G4Track&, 00086 G4double , 00087 G4double , 00088 G4double& , 00089 G4GPILSelection* 00090 ){ return -1.0; }; 00091 00092 virtual G4double PostStepGetPhysicalInteractionLength( 00093 const G4Track& , 00094 G4double , 00095 G4ForceCondition* 00096 ) { return -1.0; }; 00097 00098 // no operation in PostStepDoIt and AlongStepDoIt 00099 virtual G4VParticleChange* PostStepDoIt( 00100 const G4Track& , 00101 const G4Step& 00102 ) {return 0;}; 00103 00104 virtual G4VParticleChange* AlongStepDoIt( 00105 const G4Track& , 00106 const G4Step& 00107 ) {return 0;}; 00108 00109 protected: // with description 00110 00111 virtual G4double GetMeanLifeTime(const G4Track& aTrack,G4ForceCondition* condition)=0; 00112 // Calculates the mean life-time (i.e. for decays) of the 00113 // particle at rest due to the occurence of the given process, 00114 // or converts the probability of interaction (i.e. for 00115 // annihilation) into the life-time of the particle for the 00116 // occurence of the given process. 00117 00118 private: 00119 // hide default constructor and assignment operator as private 00120 G4VRestProcess(); 00121 G4VRestProcess & operator=(const G4VRestProcess &right); 00122 }; 00123 00124 00125 00126 #endif 00127 00128 00129