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G4VRestDiscreteProcess.hh
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27 // $Id: G4VRestDiscreteProcess.hh 71231 2013-06-12 13:06:28Z gcosmo $
28 //
29 //
30 // ------------------------------------------------------------
31 // GEANT 4 class header file
32 //
33 //
34 // Class Description
35 // Abstract class which defines the public behavior of
36 // rest + discrete physics interactions.
37 //
38 // ------------------------------------------------------------
39 // New Physics scheme 8 Mar. 1997 H.Kurahige
40 // ------------------------------------------------------------
41 // modified for new ParticleChange 12 Mar. 1998 H.Kurashige
42 // Fixed a bug in PostStepGetPhysicalInteractionLength
43 // 15 Apr. 2002 H.Kurashige
44 //
45 
46 #ifndef G4VRestDiscreteProcess_h
47 #define G4VRestDiscreteProcess_h 1
48 
49 #include "globals.hh"
50 #include "G4ios.hh"
51 
52 #include "G4VProcess.hh"
53 
54 
56 {
57  // Abstract class which defines the public behavior of
58  // rest + discrete physics interactions.
59  public:
60 
62  G4ProcessType aType = fNotDefined );
64 
65  virtual ~G4VRestDiscreteProcess();
66 
67  public :// with description
69  const G4Track& track,
70  G4double previousStepSize,
72  );
73 
75  const G4Track& ,
76  const G4Step&
77  );
78 
80  const G4Track& ,
82  );
83 
85  const G4Track& ,
86  const G4Step&
87  );
88 
89  // no operation in AlongStepDoIt
91  const G4Track&,
92  G4double ,
93  G4double ,
94  G4double& ,
96  ){ return -1.0; };
97 
98  // no operation in AlongStepDoIt
100  const G4Track& ,
101  const G4Step&
102  ) {return 0;};
103 
104  protected:// with description
105  virtual G4double GetMeanFreePath(const G4Track& aTrack,
106  G4double previousStepSize,
107  G4ForceCondition* condition
108  )=0;
109  // Calculates from the macroscopic cross section a mean
110  // free path, the value is returned in units of distance.
111 
112  virtual G4double GetMeanLifeTime(const G4Track& aTrack,G4ForceCondition* condition)=0;
113  // Calculates the mean life-time (i.e. for decays) of the
114  // particle at rest due to the occurence of the given process,
115  // or converts the probability of interaction (i.e. for
116  // annihilation) into the life-time of the particle for the
117  // occurence of the given process.
118 
119  private:
120  // hide default constructor and assignment operator as private
122  G4VRestDiscreteProcess & operator=(const G4VRestDiscreteProcess &right);
123 
124 };
125 
126 
127 
128 #endif
129 
G4double condition(const G4ErrorSymMatrix &m)
virtual G4VParticleChange * PostStepDoIt(const G4Track &, const G4Step &)
virtual G4double GetMeanFreePath(const G4Track &aTrack, G4double previousStepSize, G4ForceCondition *condition)=0
Definition: G4Step.hh:76
virtual G4double AtRestGetPhysicalInteractionLength(const G4Track &, G4ForceCondition *)
virtual G4double AlongStepGetPhysicalInteractionLength(const G4Track &, G4double, G4double, G4double &, G4GPILSelection *)
virtual G4VParticleChange * AtRestDoIt(const G4Track &, const G4Step &)
virtual G4double PostStepGetPhysicalInteractionLength(const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
double G4double
Definition: G4Types.hh:76
G4ForceCondition
virtual G4double GetMeanLifeTime(const G4Track &aTrack, G4ForceCondition *condition)=0
G4GPILSelection
G4ProcessType
virtual G4VParticleChange * AlongStepDoIt(const G4Track &, const G4Step &)