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1 | #ifndef ALIPYTHIA_H |
2 | #define ALIPYTHIA_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 | #include <TPythia6.h> |
9 | #include <AliRndm.h> |
10 | #include <AliStructFuncType.h> |
11 | typedef enum |
12 | {kPyCharm, kPyBeauty, kPyCharmUnforced, kPyBeautyUnforced, |
13 | kPyJpsi, kPyJpsiChi, kPyMb, kPyMbNonDiffr, kPyJets, kPyDirectGamma, |
14 | kPyCharmPbMNR, kPyD0PbMNR, kPyBeautyPbMNR} |
15 | Process_t; |
16 | /* |
17 | typedef enum |
18 | { |
19 | kDOSet1 = 1006, |
20 | kGRVLO = 5005, |
21 | kGRVHO = 5006, |
22 | kMRSDminus = 3031, |
23 | kMRSD0 = 3030, |
24 | kMRSG = 3041, |
25 | kCTEQ2pM = 4024, |
26 | kCTEQ4L = 4032, |
27 | kCTEQ4M = 4034, |
28 | kMRSTcgLO = 3072, |
29 | kCTEQ5L = 4046, |
30 | kGRVLO98 = 5012 |
31 | } |
32 | StrucFunc_t; |
33 | */ |
34 | class AliPythia : public TPythia6, public AliRndm |
35 | { |
36 | |
37 | public: |
38 | virtual ~AliPythia(){;} |
39 | // convert to compressed code and print result (for debugging only) |
40 | virtual Int_t CheckedLuComp(Int_t kf); |
41 | // Pythia initialisation for selected processes |
42 | virtual void ProcInit |
43 | (Process_t process, Float_t energy, StrucFunc_t strucfunc); |
44 | // treat protons as inside nuclei |
45 | virtual void SetNuclei(Int_t a1, Int_t a2); |
46 | // Print particle properties |
47 | virtual void PrintParticles(); |
48 | virtual void ResetDecayTable(); |
49 | virtual void SetDecayTable(); |
50 | virtual void Pycell(Int_t& nclus); |
51 | virtual void Pyclus(Int_t& nclus); |
52 | // return instance of the singleton |
53 | static AliPythia* Instance(); |
54 | |
55 | protected: |
56 | Process_t fProcess; // Process type |
57 | Float_t fEcms; // Centre of mass energy |
58 | StrucFunc_t fStrucFunc; // Structure function |
59 | Int_t fDefMDCY[501]; // ! Default decay switches per particle |
60 | Int_t fDefMDME[2001]; // ! Default decay switches per mode |
61 | static AliPythia* fgAliPythia; // Pointer to single instance |
62 | private: |
63 | AliPythia(); |
64 | |
65 | ClassDef(AliPythia,1) //ALICE UI to PYTHIA |
66 | }; |
67 | |
68 | #endif |
69 | |
70 | |
71 | |