1 #ifndef ALIDECAYERPYTHIA_H
2 #define ALIDECAYERPYTHIA_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 // Implementation of AliDecayer using Pythia
9 // Method forwarding to the AliPythia instance.
10 // Author: andreas.morsch@cern.ch
12 #include "AliDecayer.h"
16 class AliDecayerPythia :
21 void Copy(AliDecayerPythia &decayer) const;
24 virtual ~AliDecayerPythia(){;}
27 virtual void Decay(Int_t idpart, TLorentzVector *p);
28 virtual Int_t ImportParticles(TClonesArray *particles);
29 virtual void SetForceDecay(Decay_t decay) {fDecay=decay;}
30 virtual void SetForceDecay(Int_t decay)
31 {SetForceDecay((Decay_t) decay);}
32 virtual void ForceDecay();
34 virtual Float_t GetPartialBranchingRatio(Int_t ipart);
35 virtual Float_t GetLifetime(Int_t kf);
36 virtual void WriteDecayTable();
37 virtual void ReadDecayTable();
40 void DefineParticles();
41 void Lu1Ent(Int_t flag, Int_t idpart,
42 Double_t mom, Double_t theta, Double_t phi);
43 Int_t CountProducts(Int_t channel, Int_t particle);
44 void ForceParticleDecay(Int_t particle, Int_t product, Int_t mult);
45 void ForceHadronicD();
47 Float_t GetBraPart(Int_t kf);
49 AliDecayerPythia(const AliDecayerPythia &decayer) {;}
50 virtual AliDecayerPythia &operator=(const AliDecayerPythia &decayer)
51 {decayer.Copy(*this);return(*this);}
55 AliPythia* fPythia; //! Pointer to AliPythia
56 Decay_t fDecay; // Forced decay mode
57 Float_t fBraPart[501]; //! Branching ratios
58 static Bool_t fgInit; //! initialization flag
60 ClassDef(AliDecayerPythia,2) // AliDecayer implementation using Pythia