| Geant4 Cross Reference |
1 // 1
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25 //
26 //
27 //--------------------------------------------
28 //
29 // ClassName: G4NeutronKiller
30 //
31 // Description: The process to kill neutrons t
32 //
33 // Author: V.Ivanchenko 26/09/00 for HARP
34 //
35 //--------------------------------------------
36 //
37 // Class description:
38 //
39 // G4NeutronKiller allows to remove unwanted n
40 // order to improve CPU performance. There are
41 //
42 // 1) low energy threshold for neutron kinetic
43 // 2) time limit for neutron track (default DB
44 //
45 // These parameters can be changed via Set met
46 // /physics_engine/neutron/energyCut
47 // /physics_engine/neutron/timeLimit
48 //
49 // If a neutron track is killed no energy depo
50 //
51
52 //....oooOO0OOooo........oooOO0OOooo........oo
53 //....oooOO0OOooo........oooOO0OOooo........oo
54
55 #ifndef NeutronKiller_h
56 #define NeutronKiller_h 1
57
58 #include "globals.hh"
59 #include "G4VDiscreteProcess.hh"
60 #include "G4ParticleDefinition.hh"
61 #include "G4Step.hh"
62 #include "G4Track.hh"
63
64 class G4NeutronKillerMessenger;
65
66 //....oooOO0OOooo........oooOO0OOooo........oo
67
68 class G4NeutronKiller : public G4VDiscreteProc
69 {
70 public:
71
72 G4NeutronKiller(const G4String& processName
73 G4ProcessType aType = fGeneral );
74
75 virtual ~G4NeutronKiller();
76
77 virtual G4bool IsApplicable(const G4Particle
78
79 void SetTimeLimit(G4double);
80
81 void SetKinEnergyLimit(G4double);
82
83 virtual G4double PostStepGetPhysicalInteract
84 G4double previousStepSize,
85 G4ForceCondition* condition);
86
87 virtual G4VParticleChange* PostStepDoIt(cons
88
89 virtual G4double GetMeanFreePath(const G4Tra
90
91 private:
92
93 // hide assignment operator as private
94 G4NeutronKiller(const G4NeutronKiller&);
95 G4NeutronKiller& operator = (const G4Neutron
96
97 G4double kinEnergyThreshold;
98 G4double timeThreshold;
99
100 G4NeutronKillerMessenger* pMess;
101 };
102
103 //....oooOO0OOooo........oooOO0OOooo........oo
104
105 #endif
106
107