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e40b9538 | 1 | #ifndef ALIGENEMCOCKTAIL_H |
2 | #define ALIGENEMCOCKTAIL_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | // | |
7 | // Class to create the cocktail for physics with electrons, di-electrons, | |
8 | // and photons from the decay of the following sources: | |
9 | // pizero, eta, rho, omega, etaprime, phi | |
10 | // | |
11 | ||
12 | #include "AliGenCocktail.h" | |
13 | #include "AliGenParam.h" | |
14 | #include "AliDecayer.h" | |
15 | #include "AliPythia.h" | |
16 | ||
17 | class AliGenCocktailEntry; | |
18 | ||
19 | class AliGenEMCocktail : public AliGenCocktail | |
20 | { | |
21 | public: | |
22 | ||
23 | AliGenEMCocktail(); | |
24 | enum GeneratorCode { kGenPizero, kGenEta, kGenRho, kGenOmega, kGenEtaprime, kGenPhi, kGENs }; | |
25 | ||
26 | virtual ~AliGenEMCocktail(); | |
27 | virtual void Init(); | |
28 | virtual void CreateCocktail(); | |
29 | virtual void Generate(); | |
30 | Float_t GetDecayMode() const {return fDecayMode;} | |
31 | Float_t GetWeightingMode() const {return fWeightingMode;} | |
32 | ||
33 | void SetDecayer(AliDecayer* const decayer){fDecayer = decayer;} | |
34 | void SetDecayMode(Decay_t decay){ fDecayMode = decay;} | |
35 | void SetWeightingMode(Weighting_t weight){ fWeightingMode = weight;} | |
36 | void SetNPart(Int_t npart){ fNPart = npart;} | |
37 | ||
38 | protected: | |
39 | ||
40 | // | |
41 | private: | |
42 | AliGenEMCocktail(const AliGenEMCocktail &cocktail); | |
43 | AliGenEMCocktail & operator=(const AliGenEMCocktail &cocktail); | |
44 | ||
45 | void AddSource2Generator(Char_t *nameReso, AliGenParam* const genReso); | |
46 | ||
47 | AliDecayer* fDecayer; // External decayer | |
48 | Decay_t fDecayMode; // decay mode in which resonances are forced to decay, default: kAll | |
49 | Weighting_t fWeightingMode; // weighting mode: kAnalog or kNonAnalog | |
50 | ||
51 | Int_t fNPart; // multiplicity of each source per event | |
52 | Double_t fYieldArray[kGENs]; // array of dN/dy for each source | |
53 | ||
54 | ClassDef(AliGenEMCocktail,1) // cocktail for EM physics | |
55 | }; | |
56 | ||
57 | #endif | |
58 | ||
59 | ||
60 |