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25 //
26 #ifndef G4MuonicAtomDecay_h
27 #define G4MuonicAtomDecay_h 1
28
29 //
30 //
31 //
32 //
33 // ------------------------------------------------------------
34 // GEANT 4 class header file
35 //
36 // History:
37 //
38 // 20170522 K L Genser first implementation somewhat based on
39 // G4RadioactiveDecay and code by V.Ivantchenko & K.Lynch
40 //
41 // ------------------------------------------------------------
42
43 #include "G4VRestDiscreteProcess.hh"
44
45 class G4MuonicAtom;
46 class G4Ions;
47 class G4HadronicInteraction;
48 class G4HadFinalState;
49
50 class G4MuonicAtomDecay : public G4VRestDiscreteProcess
51 {
52
53 // Class Description:
54 //
55 // MuonicAtom process in which Muon is captured by the nucleus or decays in orbit
56
57 public: // with description
58
59 explicit G4MuonicAtomDecay(G4HadronicInteraction* hiptr=nullptr,
60 // G4HadronicInteraction* diptr=nullptr,
61 const G4String& processName="MuonicAtomDecay");
62
63 virtual ~G4MuonicAtomDecay();
64
65 virtual G4bool IsApplicable(const G4ParticleDefinition&);
66
67 // virtual void PreparePhysicsTable(const G4ParticleDefinition&);
68
69 // virtual void BuildPhysicsTable(const G4ParticleDefinition&);
70
71 inline void SetVerboseLevel(G4int value) {verboseLevel = value;}
72 // Sets the VerboseLevel
73
74 inline G4int GetVerboseLevel() const {return verboseLevel;}
75 // Returns the VerboseLevel
76
77 virtual void ProcessDescription(std::ostream& outFile) const;
78
79 virtual G4double PostStepGetPhysicalInteractionLength(const G4Track& track,
80 G4double previousStepSize,
81 G4ForceCondition* condition);
82
83 virtual G4double AtRestGetPhysicalInteractionLength(const G4Track&,
84 G4ForceCondition* );
85
86 inline virtual G4VParticleChange* AtRestDoIt(const G4Track& theTrack,
87 const G4Step& theStep)
88 {return DecayIt(theTrack, theStep);}
89
90 inline virtual G4VParticleChange* PostStepDoIt(const G4Track& theTrack,
91 const G4Step& theStep)
92 {return DecayIt(theTrack, theStep);}
93
94 virtual G4double GetMeanFreePath(const G4Track& aTrack,
95 G4double previousStepSize,
96 G4ForceCondition* condition
97 );
98 // Calculates from the macroscopic cross section a mean
99 // free path, the value is returned in units of distance.
100
101 virtual G4double GetMeanLifeTime(const G4Track& aTrack,G4ForceCondition* condition);
102 // Calculates the mean life-time (i.e. for decays) of the
103 // particle at rest due to the occurence of the given process,
104 // or converts the probability of interaction (i.e. for
105 // annihilation) into the life-time of the particle for the
106 // occurence of the given process.
107
108
109 private:
110 // hide copy constructor and assignment operator as private
111 G4MuonicAtomDecay(const G4MuonicAtomDecay &right);
112 G4MuonicAtomDecay& operator=(const G4MuonicAtomDecay &right);
113
114 G4VParticleChange* DecayIt(const G4Track& theTrack,
115 const G4Step& theStep);
116
117 void FillResult(G4HadFinalState * aR, const G4Track & aT);
118
119 void DumpState(const G4Track&, const G4String&, G4ExceptionDescription&);
120
121 G4ParticleChange theTotalResult;
122
123 const G4double fMuMass;
124
125 G4HadronicInteraction* cmptr; // the capture model owned by its registry
126 // G4HadronicInteraction* dmptr; // the DIO model owned by its registry
127
128 G4int verboseLevel;
129
130
131 };
132 #endif
133