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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(); | |
e8a8adcd | 21 | AliDecayerPythia(const AliDecayerPythia &decayer); |
22 | // | |
8d2cd130 | 23 | virtual ~AliDecayerPythia(){;} |
8d2cd130 | 24 | virtual void Init(); |
25 | virtual void Decay(Int_t idpart, TLorentzVector *p); | |
26 | virtual Int_t ImportParticles(TClonesArray *particles); | |
27 | virtual void SetForceDecay(Decay_t decay) {fDecay=decay;} | |
28 | virtual void SetForceDecay(Int_t decay) | |
29 | {SetForceDecay((Decay_t) decay);} | |
30 | virtual void ForceDecay(); | |
51387949 | 31 | virtual void HeavyFlavourOff() {fHeavyFlavour = kFALSE;} |
d3553100 | 32 | virtual void DecayLongLivedParticles() {fLongLived = kTRUE;} |
8d2cd130 | 33 | virtual Float_t GetPartialBranchingRatio(Int_t ipart); |
34 | virtual Float_t GetLifetime(Int_t kf); | |
1fefb2d4 | 35 | virtual void SwitchOffBDecay(); |
8d2cd130 | 36 | virtual void WriteDecayTable(); |
37 | virtual void ReadDecayTable(); | |
38 | ||
39 | private: | |
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); | |
9610308a | 45 | void ForceParticleDecay(Int_t particle, Int_t* products, Int_t* mult, Int_t npart, Bool_t flag = 0); |
af33df34 | 46 | void ForceHadronicD(Int_t optUser4Bodies=1); |
51387949 | 47 | void ForceOmega(); |
d3553100 | 48 | void ForceLambda(); |
51387949 | 49 | void SwitchOffHeavyFlavour(); |
8d2cd130 | 50 | Float_t GetBraPart(Int_t kf); |
51387949 | 51 | void Copy(TObject &decayer) const; |
043f1ca8 | 52 | |
53 | AliDecayerPythia &operator=(const AliDecayerPythia &decayer) | |
8d2cd130 | 54 | {decayer.Copy(*this);return(*this);} |
55 | ||
56 | ||
57 | private: | |
58 | AliPythia* fPythia; //! Pointer to AliPythia | |
51387949 | 59 | Decay_t fDecay; // Forced decay mode |
8d2cd130 | 60 | Float_t fBraPart[501]; //! Branching ratios |
51387949 | 61 | Bool_t fHeavyFlavour; //! Flag for heavy flavors |
d3553100 | 62 | Bool_t fLongLived; //! Flag for long lived particle decay |
8d2cd130 | 63 | static Bool_t fgInit; //! initialization flag |
64 | ||
51387949 | 65 | ClassDef(AliDecayerPythia, 3) // AliDecayer implementation using Pythia |
8d2cd130 | 66 | }; |
67 | #endif | |
68 | ||
69 | ||
70 | ||
71 | ||
72 | ||
73 | ||
74 |