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f87cfe57 1#ifndef ALIGENPHOSLIB_H
2#define ALIGENPHOSLIB_H
b22ee262 3#include "AliGenLib.h"
886b6f73 4/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
6
7/* $Id$ */
8
65fb704d 9class TRandom;
10
886b6f73 11class AliGenPHOSlib :
b22ee262 12public AliGenLib
886b6f73 13{
14 public:
74c62c73 15 enum constants{kPion, kPi0Flat, kKaon, kEta, kEtaFlat,kOmega, kEtaPrime, kPhi, kBaryon};
886b6f73 16// pions
f87cfe57 17 static Double_t PtPion(Double_t *px, Double_t *dummy);
886b6f73 18 static Double_t PtScal(Double_t pt, Int_t np);
f87cfe57 19 static Double_t YPion( Double_t *py, Double_t *dummy);
65fb704d 20 static Int_t IpPion(TRandom* ran);
74c62c73 21
22// pi0 Flat Distribution
23 static Double_t PtPi0Flat(Double_t *px, Double_t *dummy);
24 static Double_t YPi0Flat( Double_t *py, Double_t *dummy);
25 static Int_t IpPi0Flat(TRandom* ran);
26
886b6f73 27// kaons
f87cfe57 28 static Double_t PtKaon(Double_t *px, Double_t *dummy);
29 static Double_t YKaon( Double_t *py, Double_t *dummy);
65fb704d 30 static Int_t IpKaon(TRandom* ran);
74c62c73 31
886b6f73 32// etas
f87cfe57 33 static Double_t PtEta(Double_t *px, Double_t *dummy);
34 static Double_t YEta( Double_t *py, Double_t *dummy);
65fb704d 35 static Int_t IpEta(TRandom *ran);
74c62c73 36
37// etas Flat Distribution
38 static Double_t PtEtaFlat(Double_t *px, Double_t *dummy);
39 static Double_t YEtaFlat( Double_t *py, Double_t *dummy);
40 static Int_t IpEtaFlat(TRandom *ran);
41
886b6f73 42// omegas
f87cfe57 43 static Double_t PtOmega(Double_t *px, Double_t *dummy);
44 static Double_t YOmega( Double_t *py, Double_t *dummy);
65fb704d 45 static Int_t IpOmega(TRandom *ran);
74c62c73 46
886b6f73 47// etaprime
f87cfe57 48 static Double_t PtEtaprime(Double_t *px, Double_t *dummy);
49 static Double_t YEtaprime( Double_t *py, Double_t *dummy);
65fb704d 50 static Int_t IpEtaprime(TRandom* ran);
74c62c73 51
886b6f73 52// phis
f87cfe57 53 static Double_t PtPhi(Double_t *px, Double_t *dummy);
54 static Double_t YPhi( Double_t *py, Double_t *dummy);
65fb704d 55 static Int_t IpPhi(TRandom* ran);
74c62c73 56
886b6f73 57// baryons
f87cfe57 58 static Double_t PtBaryon(Double_t *px, Double_t *dummy);
59 static Double_t YBaryon( Double_t *py, Double_t *dummy);
65fb704d 60 static Int_t IpBaryon(TRandom *ran);
886b6f73 61
a04b490f 62 GenFunc GetPt(Int_t param, const char* tname=0) const;
63 GenFunc GetY (Int_t param, const char* tname=0) const;
64 GenFuncIp GetIp(Int_t param, const char* tname=0) const;
762c0d1d 65 ClassDef(AliGenPHOSlib,0) // Library providing y and pT parameterisations
886b6f73 66};
67#endif
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