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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, |
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14 | kPyCharmPbPbMNR, kPyD0PbPbMNR, kPyBeautyPbPbMNR, |
15 | kPyCharmpPbMNR, kPyD0pPbMNR, kPyBeautypPbMNR, |
16 | kPyCharmppMNR, kPyD0ppMNR, kPyBeautyppMNR} |
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17 | Process_t; |
18 | /* |
19 | typedef enum |
20 | { |
21 | kDOSet1 = 1006, |
22 | kGRVLO = 5005, |
23 | kGRVHO = 5006, |
24 | kMRSDminus = 3031, |
25 | kMRSD0 = 3030, |
26 | kMRSG = 3041, |
27 | kCTEQ2pM = 4024, |
28 | kCTEQ4L = 4032, |
29 | kCTEQ4M = 4034, |
30 | kMRSTcgLO = 3072, |
31 | kCTEQ5L = 4046, |
32 | kGRVLO98 = 5012 |
33 | } |
34 | StrucFunc_t; |
35 | */ |
36 | class AliPythia : public TPythia6, public AliRndm |
37 | { |
38 | |
39 | public: |
40 | virtual ~AliPythia(){;} |
41 | // convert to compressed code and print result (for debugging only) |
42 | virtual Int_t CheckedLuComp(Int_t kf); |
43 | // Pythia initialisation for selected processes |
44 | virtual void ProcInit |
45 | (Process_t process, Float_t energy, StrucFunc_t strucfunc); |
46 | // treat protons as inside nuclei |
47 | virtual void SetNuclei(Int_t a1, Int_t a2); |
48 | // Print particle properties |
49 | virtual void PrintParticles(); |
50 | virtual void ResetDecayTable(); |
51 | virtual void SetDecayTable(); |
52 | virtual void Pycell(Int_t& nclus); |
53 | virtual void Pyclus(Int_t& nclus); |
54 | // return instance of the singleton |
55 | static AliPythia* Instance(); |
56 | |
57 | protected: |
58 | Process_t fProcess; // Process type |
59 | Float_t fEcms; // Centre of mass energy |
60 | StrucFunc_t fStrucFunc; // Structure function |
61 | Int_t fDefMDCY[501]; // ! Default decay switches per particle |
62 | Int_t fDefMDME[2001]; // ! Default decay switches per mode |
63 | static AliPythia* fgAliPythia; // Pointer to single instance |
64 | private: |
65 | AliPythia(); |
66 | |
67 | ClassDef(AliPythia,1) //ALICE UI to PYTHIA |
68 | }; |
69 | |
70 | #endif |
71 | |
72 | |
73 | |