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1 | #ifndef ALIGENHMPIDLIB_H | |
2 | #define ALIGENHMPIDLIB_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | ||
7 | /* $Id$ */ | |
8 | ||
9 | // Library class for particle pt and y distributions used for | |
10 | // HMPIDsimulations. | |
11 | // To be used with AliGenParam. | |
12 | // | |
13 | // Author: Annalisa Mastroserio <Annalisa.Mastroserio@ba.infn.it> | |
14 | ||
15 | #include "AliGenLib.h" | |
16 | ||
17 | class TRandom; | |
18 | ||
19 | class AliGenHMPIDlib :public AliGenLib { | |
20 | ||
21 | public: | |
22 | enum EPartId {kPhi=333}; | |
23 | ||
24 | //Getters | |
25 | ||
26 | GenFunc GetPt(Int_t iPID, const char * sForm=0) const; | |
27 | GenFunc GetY (Int_t iPID, const char * sForm=0) const; | |
28 | GenFuncIp GetIp(Int_t iPID, const char * sForm=0) const; | |
29 | private: | |
30 | ||
31 | //Pi+ | |
32 | static Int_t IpPiPlus(TRandom *ran); | |
33 | static Double_t PtPiPlusFlat(const Double_t *px, const Double_t *dummy); | |
34 | static Double_t PtPiPlusExp (const Double_t *px, const Double_t *dummy); | |
35 | static Double_t YPiPlusFlat (const Double_t *py, const Double_t *dummy); | |
36 | ||
37 | //Pi- | |
38 | static Int_t IpPiMinus(TRandom *ran); | |
39 | static Double_t PtPiMinusFlat(const Double_t *px, const Double_t *dummy); | |
40 | static Double_t PtPiMinusExp (const Double_t *px, const Double_t *dummy); | |
41 | static Double_t YPiMinusFlat (const Double_t *py, const Double_t *dummy); | |
42 | ||
43 | //K+ | |
44 | static Int_t IpKPlus(TRandom *ran); | |
45 | static Double_t PtKPlusFlat(const Double_t *px, const Double_t *dummy); | |
46 | static Double_t PtKPlusExp (const Double_t *px, const Double_t *dummy); | |
47 | static Double_t YKPlusFlat (const Double_t *py, const Double_t *dummy); | |
48 | ||
49 | //K- | |
50 | static Int_t IpKMinus(TRandom *ran); | |
51 | static Double_t PtKMinusFlat(const Double_t *px, const Double_t *dummy); | |
52 | static Double_t PtKMinusExp (const Double_t *px, const Double_t *dummy); | |
53 | static Double_t YKMinusFlat (const Double_t *py, const Double_t *dummy); | |
54 | ||
55 | // K0_s | |
56 | static Int_t IpK0s(TRandom *ran); | |
57 | static Double_t PtK0sFlat(const Double_t *px, const Double_t *dummy); | |
58 | static Double_t PtK0sExp (const Double_t *px, const Double_t *dummy); | |
59 | static Double_t YK0sFlat (const Double_t *py, const Double_t *dummy); | |
60 | ||
61 | // Phi(1020) | |
62 | static Int_t IpPhi(TRandom *ran); | |
63 | static Double_t PtPhiFlat(const Double_t *px, const Double_t *dummy); | |
64 | static Double_t PtPhiExp (const Double_t *px, const Double_t *dummy); | |
65 | static Double_t YPhiFlat (const Double_t *py, const Double_t *dummy); | |
66 | ||
67 | //Proton | |
68 | static Int_t IpProton(TRandom *ran); | |
69 | static Double_t PtProtonFlat(const Double_t *px, const Double_t *dummy); | |
70 | static Double_t PtProtonExp (const Double_t *px, const Double_t *dummy); | |
71 | static Double_t YProtonFlat (const Double_t *py, const Double_t *dummy); | |
72 | ||
73 | //ProtonBar | |
74 | static Int_t IpProtonBar(TRandom *ran); | |
75 | static Double_t PtProtonBarFlat(const Double_t *px, const Double_t *dummy); | |
76 | static Double_t PtProtonBarExp (const Double_t *px, const Double_t *dummy); | |
77 | static Double_t YProtonBarFlat (const Double_t *py, const Double_t *dummy); | |
78 | ||
79 | // Lambda | |
80 | static Int_t IpLambda(TRandom *ran); | |
81 | static Double_t PtLambdaFlat(const Double_t *px, const Double_t *dummy); | |
82 | static Double_t PtLambdaExp (const Double_t *px, const Double_t *dummy); | |
83 | static Double_t YLambdaFlat (const Double_t *py, const Double_t *dummy); | |
84 | ||
85 | // LambdaBar | |
86 | static Int_t IpLambdaBar(TRandom *ran); | |
87 | static Double_t PtLambdaBarFlat(const Double_t *px, const Double_t *dummy); | |
88 | static Double_t PtLambdaBarExp (const Double_t *px, const Double_t *dummy); | |
89 | static Double_t YLambdaBarFlat (const Double_t *py, const Double_t *dummy); | |
90 | ||
91 | ClassDef(AliGenHMPIDlib,0) | |
92 | }; | |
93 | ||
94 | #endif | |
95 | ||
96 | ||
97 | ||
98 | ||
99 | ||
100 | ||
101 |