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G4AntiNeutronAnnihilationAtRest.hh
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26 // $Id: G4AntiNeutronAnnihilationAtRest.hh 66367 2012-12-18 09:18:08Z gcosmo $
27 // G4AntiNeutronAnnihilationAtRest physics process
28 // Larry Felawka (TRIUMF), April 1998
29 //---------------------------------------------------------------------
30 
31 #ifndef G4AntiNeutronAnnihilationAtRest_h
32 #define G4AntiNeutronAnnihilationAtRest_h 1
33 
34 // Class Description:
35 //
36 // Process for absorption of n-bar at rest.
37 // To be used in your physics list in case you need this physics.
38 
39 #include "globals.hh"
40 #include "Randomize.hh"
41 #include "G4VRestProcess.hh"
42 #include "G4VParticleChange.hh"
43 #include "G4ParticleDefinition.hh"
44 #include "G4GHEKinematicsVector.hh"
45 #include "G4HadronicProcessType.hh"
46 
48 
49 {
50  private:
51  // hide assignment operator as private
54 
55  public:
56 
57  G4AntiNeutronAnnihilationAtRest(const G4String& processName ="AntiNeutronAnnihilationAtRest",
58  G4ProcessType aType = fHadronic );
59 
61 
63 
65 
67 
70 
71  // zero mean lifetime
73  G4ForceCondition* ) {return 0.0;}
74 
75  G4VParticleChange* AtRestDoIt(const G4Track&, const G4Step&);
76 
77  // return number of secondaries produced
79 
80  // pointer to array containg kinematics of secondaries
82 
83  private:
84 
85  void GenerateSecondaries();
86  void Poisso( G4float, G4int* );
87  void Normal( G4float* );
88  void AntiNeutronAnnihilation( G4int* );
89  G4double ExNu( G4float );
90  G4int NFac( G4int );
91 
92  private:
93 
94 // global time-of-flight of stopped AntiNeutron
95  G4float globalTime;
96 
97 // atomic mass of target nucleus
98  G4float targetAtomicMass;
99 
100 // charge of target nucleus
101  G4float targetCharge;
102 
105  G4GHEKinematicsVector* gkin;
106 
107  G4float evapEnergy1;
108  G4float evapEnergy3;
109 
110  G4int ngkine;
111 
112  G4int ntot;
113  G4GHEKinematicsVector result;
114 
115  G4float massPionMinus;
116  G4float massPionZero;
117  G4float massPionPlus;
118  G4float massGamma;
119  G4float massAntiNeutron;
120  G4float massNeutron;
121 
122  G4ParticleDefinition* pdefGamma;
123  G4ParticleDefinition* pdefPionPlus;
124  G4ParticleDefinition* pdefPionZero;
125  G4ParticleDefinition* pdefPionMinus;
126  G4ParticleDefinition* pdefProton;
127  G4ParticleDefinition* pdefNeutron;
128  G4ParticleDefinition* pdefAntiNeutron;
129  G4ParticleDefinition* pdefDeuteron;
130  G4ParticleDefinition* pdefTriton;
131  G4ParticleDefinition* pdefAlpha;
132 
133 };
134 
135 #endif
136 
G4double GetMeanLifeTime(const G4Track &, G4ForceCondition *)
float G4float
Definition: G4Types.hh:77
void BuildPhysicsTable(const G4ParticleDefinition &)
int G4int
Definition: G4Types.hh:78
G4VParticleChange * AtRestDoIt(const G4Track &, const G4Step &)
bool G4bool
Definition: G4Types.hh:79
G4double AtRestGetPhysicalInteractionLength(const G4Track &, G4ForceCondition *)
Definition: G4Step.hh:76
G4bool IsApplicable(const G4ParticleDefinition &)
void PreparePhysicsTable(const G4ParticleDefinition &)
double G4double
Definition: G4Types.hh:76
G4ForceCondition
G4ProcessType