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e40b9538 | 1 | #ifndef ALIGENEMLIB_H |
2 | #define ALIGENEMLIB_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id: AliGenEMlib.h 30052 2008-11-25 14:54:18Z morsch $ */ | |
7 | ||
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | // // | |
10 | // Implementation of AliGenEMlib for electron, di-electron, and photon // | |
11 | // cocktail calculations. // | |
12 | // It is based on AliGenGSIlib. // | |
13 | // // | |
14 | // Responsible: R.Averbeck@gsi.de // | |
15 | // // | |
16 | ///////////////////////////////////////////////////////////////////////////// | |
17 | ||
18 | #include "AliGenLib.h" | |
19 | class TRandom; | |
20 | ||
21 | class AliGenEMlib :public AliGenLib { | |
6078e216 | 22 | public: |
e40b9538 | 23 | GenFunc GetPt(Int_t param, const char * tname=0) const; |
24 | GenFunc GetY(Int_t param, const char * tname=0) const; | |
25 | GenFuncIp GetIp(Int_t param, const char * tname=0) const; | |
6078e216 | 26 | GenFunc GetV2(Int_t param, const char * tname=0) const; |
e40b9538 | 27 | |
6078e216 | 28 | typedef enum {k0005=0, k0510, k1020, k2030, k3040, k4050, k5060, kpp} Centbins_t; |
29 | enum particles{kPizero, kEta, kRho, kOmega, kEtaprime, kPhi}; | |
e40b9538 | 30 | |
6078e216 | 31 | private: |
e40b9538 | 32 | |
6078e216 | 33 | // Pizero |
e40b9538 | 34 | static Int_t IpPizero(TRandom *ran); |
35 | static Double_t PtPizero( const Double_t *px, const Double_t *dummy ); | |
36 | static Double_t YPizero(const Double_t *py, const Double_t *dummy); | |
6078e216 | 37 | static Double_t V2Pizero(const Double_t *px, const Double_t *dummy); |
e40b9538 | 38 | |
6078e216 | 39 | // Eta |
e40b9538 | 40 | static Int_t IpEta(TRandom *ran); |
41 | static Double_t PtEta( const Double_t *px, const Double_t *dummy ); | |
42 | static Double_t YEta(const Double_t *py, const Double_t *dummy); | |
6078e216 | 43 | static Double_t V2Eta(const Double_t *px, const Double_t *dummy); |
e40b9538 | 44 | |
6078e216 | 45 | // Rho |
e40b9538 | 46 | static Int_t IpRho(TRandom *ran); |
47 | static Double_t PtRho( const Double_t *px, const Double_t *dummy ); | |
48 | static Double_t YRho(const Double_t *py, const Double_t *dummy); | |
49 | ||
6078e216 | 50 | // Omega |
e40b9538 | 51 | static Int_t IpOmega(TRandom *ran); |
52 | static Double_t PtOmega( const Double_t *px, const Double_t *dummy ); | |
53 | static Double_t YOmega(const Double_t *py, const Double_t *dummy); | |
54 | ||
6078e216 | 55 | // Etaprime |
e40b9538 | 56 | static Int_t IpEtaprime(TRandom *ran); |
57 | static Double_t PtEtaprime( const Double_t *px, const Double_t *dummy ); | |
58 | static Double_t YEtaprime(const Double_t *py, const Double_t *dummy); | |
59 | ||
6078e216 | 60 | // Phi |
e40b9538 | 61 | static Int_t IpPhi(TRandom *ran); |
62 | static Double_t PtPhi( const Double_t *px, const Double_t *dummy ); | |
63 | static Double_t YPhi(const Double_t *py, const Double_t *dummy); | |
64 | ||
6078e216 | 65 | // General |
e40b9538 | 66 | static Double_t PtFlat(const Double_t *px, const Double_t *dummy); |
67 | static Double_t YFlat(Double_t y); | |
6078e216 | 68 | static Double_t MtScal(Double_t pt, Int_t np); |
69 | static Double_t V2Param(const Double_t *px, const Double_t *param); | |
70 | static Double_t V2Flat(const Double_t *px, const Double_t *param); | |
e40b9538 | 71 | |
6078e216 | 72 | static Double_t CrossOverLc(const double a, const double b, const double x); |
73 | static Double_t CrossOverRc(const double a, const double b, const double x); | |
74 | ||
75 | static const Double_t fv2param[2][8][9]; | |
76 | static const Double_t fpTparam[8][14]; | |
77 | static Centbins_t fCentbin; | |
e40b9538 | 78 | |
79 | ClassDef(AliGenEMlib,0) | |
80 | }; | |
81 | ||
82 | #endif |