1 #ifndef ALIGENMUONLIB_H
2 #define ALIGENMUONLIB_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 // Library class for particle pt and y distributions used for
9 // muon spectrometer simulations.
10 // To be used with AliGenParam.
12 // andreas.morsch@cern.ch
14 #include "AliGenLib.h"
20 enum constants{kPhi, kOmega, kEta, kJpsi, kUpsilon, kCharm, kBeauty, kPion, kKaon};
24 static Double_t PtPion(Double_t *px, Double_t *dummy);
25 static Double_t PtScal(Double_t pt, Int_t np);
26 static Double_t YPion( Double_t *py, Double_t *dummy);
27 static Int_t IpPion(TRandom *ran);
29 static Double_t PtKaon(Double_t *px, Double_t *dummy);
30 static Double_t YKaon( Double_t *py, Double_t *dummy);
31 static Int_t IpKaon(TRandom *ran);
33 static Double_t PtPhi( Double_t *px, Double_t *dummy);
34 static Double_t YPhi( Double_t *px, Double_t *dummy);
35 static Int_t IpPhi(TRandom *ran);
37 static Double_t PtOmega( Double_t *px, Double_t *dummy);
38 static Double_t YOmega( Double_t *px, Double_t *dummy);
39 static Int_t IpOmega(TRandom *ran);
41 static Double_t PtEta( Double_t *px, Double_t *dummy);
42 static Double_t YEta( Double_t *px, Double_t *dummy);
43 static Int_t IpEta(TRandom *ran);
45 static Double_t PtJpsi( Double_t *px, Double_t *dummy);
46 static Double_t YJpsi(Double_t *py, Double_t *dummy);
47 static Int_t IpJpsi(TRandom *ran);
49 static Double_t PtUpsilon( Double_t *px, Double_t *dummy );
50 static Double_t YUpsilon(Double_t *py, Double_t *dummy);
51 static Int_t IpUpsilon(TRandom *ran);
54 static Double_t PtCharm( Double_t *px, Double_t *dummy );
55 static Double_t YCharm(Double_t *py, Double_t *dummy);
56 static Int_t IpCharm(TRandom *ran);
59 static Double_t PtBeauty( Double_t *px, Double_t *dummy );
60 static Double_t YBeauty(Double_t *py, Double_t *dummy);
61 static Int_t IpBeauty(TRandom *ran);
63 GenFunc GetPt(Int_t param, const char* tname=0) const;
64 GenFunc GetY (Int_t param, const char* tname=0) const;
65 GenFuncIp GetIp(Int_t param, const char* tname=0) const;
66 ClassDef(AliGenMUONlib,0) // Library providing y and pT parameterisations