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8d2cd130 | 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 */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | // Implementation of AliDecayer using Pythia | |
9 | // Method forwarding to the AliPythia instance. | |
10 | // Author: andreas.morsch@cern.ch | |
11 | ||
12 | #include "AliDecayer.h" | |
13 | class AliPythia; | |
14 | class TClonesArrray; | |
15 | ||
16 | class AliDecayerPythia : | |
17 | public AliDecayer | |
18 | { | |
19 | public: | |
20 | AliDecayerPythia(); | |
8d2cd130 | 21 | // |
22 | virtual ~AliDecayerPythia(){;} | |
8d2cd130 | 23 | virtual void Init(); |
24 | virtual void Decay(Int_t idpart, TLorentzVector *p); | |
25 | virtual Int_t ImportParticles(TClonesArray *particles); | |
26 | virtual void SetForceDecay(Decay_t decay) {fDecay=decay;} | |
27 | virtual void SetForceDecay(Int_t decay) | |
28 | {SetForceDecay((Decay_t) decay);} | |
29 | virtual void ForceDecay(); | |
30 | ||
31 | virtual Float_t GetPartialBranchingRatio(Int_t ipart); | |
32 | virtual Float_t GetLifetime(Int_t kf); | |
33 | virtual void WriteDecayTable(); | |
34 | virtual void ReadDecayTable(); | |
35 | ||
36 | private: | |
37 | void DefineParticles(); | |
38 | void Lu1Ent(Int_t flag, Int_t idpart, | |
39 | Double_t mom, Double_t theta, Double_t phi); | |
40 | Int_t CountProducts(Int_t channel, Int_t particle); | |
41 | void ForceParticleDecay(Int_t particle, Int_t product, Int_t mult); | |
7935c2c7 | 42 | void ForceParticleDecay(Int_t particle, Int_t* products, Int_t* mult, Int_t npart); |
8d2cd130 | 43 | void ForceHadronicD(); |
44 | void ForceOmega(); | |
45 | Float_t GetBraPart(Int_t kf); | |
c125238c | 46 | void Copy(TObject &decayer) const; |
014a9521 | 47 | AliDecayerPythia(const AliDecayerPythia &decayer):AliDecayer(decayer) |
48 | {decayer.Copy(*this);} | |
8d2cd130 | 49 | virtual AliDecayerPythia &operator=(const AliDecayerPythia &decayer) |
50 | {decayer.Copy(*this);return(*this);} | |
51 | ||
52 | ||
53 | private: | |
54 | AliPythia* fPythia; //! Pointer to AliPythia | |
55 | Decay_t fDecay; // Forced decay mode | |
56 | Float_t fBraPart[501]; //! Branching ratios | |
57 | static Bool_t fgInit; //! initialization flag | |
58 | ||
59 | ClassDef(AliDecayerPythia,2) // AliDecayer implementation using Pythia | |
60 | }; | |
61 | #endif | |
62 | ||
63 | ||
64 | ||
65 | ||
66 | ||
67 | ||
68 |