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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(); |
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21 | // |
22 | virtual ~AliDecayerPythia(){;} |
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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); |
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42 | void ForceParticleDecay(Int_t particle, Int_t* products, Int_t* mult, Int_t npart); |
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43 | void ForceHadronicD(); |
44 | void ForceOmega(); |
45 | Float_t GetBraPart(Int_t kf); |
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46 | void Copy(AliDecayerPythia &decayer) const; |
47 | AliDecayerPythia(const AliDecayerPythia &decayer):AliDecayer(decayer) |
48 | {decayer.Copy(*this);} |
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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 | |