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26 //
27 //
28 /// \file eventgenerator/pythia/decayer6/include/G4Pythia6Decayer.hh
29 /// \brief Definition of the G4Pythia6Decayer class
30 //
31 #ifndef G4_PYTHIA6_DECAYER_H
32 #define G4_PYTHIA6_DECAYER_H
33
34 #include "EDecayType.hh"
35 #include "Pythia6.hh"
36
37 #include "G4Pythia6DecayerMessenger.hh"
38 #include "G4VExtDecayer.hh"
39 #include "globals.hh"
40
41 struct Pythia6Particle;
42 class G4Track;
43 class G4DecayProducts;
44
45 /// Pythia6 decayer
46 ///
47 /// Implements the G4VExtDecayer abstract class using the Pythia6 interface.
48 /// According to TPythia6Decayer class in Root:
49 /// http://root.cern.ch/
50 /// see http://root.cern.ch/root/License.html
51
52 class G4Pythia6Decayer : public G4VExtDecayer
53 {
54 public:
55 G4Pythia6Decayer();
56 virtual ~G4Pythia6Decayer();
57
58 virtual G4DecayProducts* ImportDecayProducts(const G4Track& track);
59
60 void ForceDecayType(EDecayType decayType);
61 void SetVerboseLevel(G4int verboseLevel) { fVerboseLevel = verboseLevel; }
62
63 private:
64 /// Not implemented
65 G4Pythia6Decayer(const G4Pythia6Decayer& right);
66 /// Not implemented
67 G4Pythia6Decayer& operator=(const G4Pythia6Decayer& right);
68
69 G4ParticleDefinition* GetParticleDefinition(const Pythia6Particle* p, G4bool warn = true) const;
70 G4DynamicParticle* CreateDynamicParticle(const Pythia6Particle* p) const;
71 G4ThreeVector GetParticlePosition(const Pythia6Particle* particle) const;
72 G4ThreeVector GetParticleMomentum(const Pythia6Particle* particle) const;
73
74 G4int CountProducts(G4int channel, G4int particle);
75 void ForceParticleDecay(G4int particle, G4int product, G4int mult);
76 void ForceParticleDecay(G4int particle, G4int* products, G4int* mult, G4int npart);
77 void ForceHadronicD();
78 void ForceOmega();
79 void ForceDecay(EDecayType decayType);
80
81 void Decay(G4int pdg, const CLHEP::HepLorentzVector& p);
82 G4int ImportParticles(ParticleVector* particles);
83
84 static const EDecayType fgkDefaultDecayType; ///< default decay type
85
86 G4Pythia6DecayerMessenger fMessenger; ///< command messenger
87 G4int fVerboseLevel; ///< verbose level
88 EDecayType fDecayType; ///< selected decay type
89 ParticleVector* fDecayProductsArray; ///< array of decay products
90 };
91
92 // ----------------------------------------------------------------------------
93
94 #endif
95