include/Geant4/G4VRestProcess.hh

0001 //
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0024 // ********************************************************************
0025 //
0026 // G4VRestProcess
0027 //
0028 // Class description:
0029 //
0030 // Abstract class which defines the public behavior of
0031 // physics interactions at rest.
0032
0033 // Authors:
0034 // - 2 December 1995, G.Cosmo - First implementation, based on object model
0035 // - 18 December 1996, H.Kurashige - New Physics scheme
0036 // --------------------------------------------------------------------
0037 #ifndef G4VRestProcess_hh
0038 #define G4VRestProcess_hh 1
0039
0040 #include "globals.hh"
0041 #include "G4ios.hh"
0042
0043 #include "G4VProcess.hh"
0044
0045 class G4VRestProcess : public G4VProcess
0046 {
0047   public:
0048
0049     G4VRestProcess(const G4String& aName,
0050                    G4ProcessType aType = fNotDefined);
0051     G4VRestProcess(G4VRestProcess&);
0052
0053     virtual ~G4VRestProcess();
0054
0055     G4VRestProcess& operator=(const G4VRestProcess&) = delete;
0056
0057     virtual G4double AtRestGetPhysicalInteractionLength(
0058                              const G4Track& track,
0059                              G4ForceCondition* condition
0060                             );
0061
0062     virtual G4VParticleChange* AtRestDoIt(
0063                              const G4Track& ,
0064                              const G4Step&
0065                             );
0066
0067     virtual G4double AlongStepGetPhysicalInteractionLength(
0068                              const G4Track&,
0069                              G4double  ,
0070                              G4double  ,
0071                              G4double& ,
0072                              G4GPILSelection*
0073                            ) { return -1.0; }
0074       // No operation in AlongStepGPIL
0075
0076     virtual G4double PostStepGetPhysicalInteractionLength(
0077                              const G4Track& ,
0078                              G4double   ,
0079                              G4ForceCondition*
0080                             ) { return -1.0; }
0081       // No operation in PostStepGPIL
0082
0083     virtual G4VParticleChange* PostStepDoIt(
0084                              const G4Track& ,
0085                              const G4Step&
0086                             ) { return 0; }
0087       // No operation in PostStepDoIt
0088
0089     virtual G4VParticleChange* AlongStepDoIt(
0090                              const G4Track& ,
0091                              const G4Step&
0092                             ) { return 0; }
0093       // No operation in AlongStepDoIt
0094
0095   protected:
0096
0097     virtual G4double GetMeanLifeTime(const G4Track& aTrack,
0098                                      G4ForceCondition* condition) = 0;
0099       // Calculates the mean life-time (i.e. for decays) of the
0100       // particle at rest due to the occurrence of the given process,
0101       // or converts the probability of interaction (i.e. for
0102       // annihilation) into the life-time of the particle for the
0103       // occurrence of the given process
0104
0105   private:
0106
0107     G4VRestProcess();
0108       // Hidden default constructor
0109 };
0110
0111 #endif