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, kJpsiFamily, kPsiP, kJpsiFromB, kUpsilon, kUpsilonFamily,
21 kUpsilonP, kUpsilonPP, kCharm, kBeauty, kPion, kKaon};
25 static Double_t PtPion(Double_t *px, Double_t *dummy);
26 static Double_t PtScal(Double_t pt, Int_t np);
27 static Double_t YPion( Double_t *py, Double_t *dummy);
28 static Int_t IpPion(TRandom *ran);
30 static Double_t PtKaon(Double_t *px, Double_t *dummy);
31 static Double_t YKaon( Double_t *py, Double_t *dummy);
32 static Int_t IpKaon(TRandom *ran);
34 static Double_t PtPhi( Double_t *px, Double_t *dummy);
35 static Double_t YPhi( Double_t *px, Double_t *dummy);
36 static Int_t IpPhi(TRandom *ran);
38 static Double_t PtOmega( Double_t *px, Double_t *dummy);
39 static Double_t YOmega( Double_t *px, Double_t *dummy);
40 static Int_t IpOmega(TRandom *ran);
42 static Double_t PtEta( Double_t *px, Double_t *dummy);
43 static Double_t YEta( Double_t *px, Double_t *dummy);
44 static Int_t IpEta(TRandom *ran);
46 static Double_t PtJpsi( Double_t *px, Double_t *dummy);
47 static Double_t YJpsi(Double_t *py, Double_t *dummy);
48 static Double_t PtJpsiPbPb( Double_t *px, Double_t *dummy);
49 static Double_t PtJpsiBPbPb( Double_t *px, Double_t *dummy);
50 static Double_t YJpsiPbPb(Double_t *py, Double_t *dummy);
51 static Double_t PtJpsiPP( Double_t *px, Double_t *dummy);
52 static Double_t YJpsiPP(Double_t *py, Double_t *dummy);
53 static Double_t YJpsiBPbPb(Double_t *py, Double_t *dummy);
54 static Int_t IpJpsi(TRandom *ran);
55 static Int_t IpJpsiFamily(TRandom *ran);
56 static Int_t IpPsiP(TRandom *ran);
59 static Double_t PtUpsilon( Double_t *px, Double_t *dummy );
60 static Double_t YUpsilon(Double_t *py, Double_t *dummy);
61 static Double_t PtUpsilonPbPb( Double_t *px, Double_t *dummy );
62 static Double_t YUpsilonPbPb(Double_t *py, Double_t *dummy);
63 static Double_t PtUpsilonPP( Double_t *px, Double_t *dummy );
64 static Double_t YUpsilonPP(Double_t *py, Double_t *dummy);
65 static Int_t IpUpsilon(TRandom *ran);
66 static Int_t IpUpsilonFamily(TRandom *ran);
67 static Int_t IpUpsilonP(TRandom *ran);
68 static Int_t IpUpsilonPP(TRandom *ran);
71 static Double_t PtCharm( Double_t *px, Double_t *dummy );
72 static Double_t YCharm(Double_t *py, Double_t *dummy);
73 static Int_t IpCharm(TRandom *ran);
76 static Double_t PtBeauty( Double_t *px, Double_t *dummy );
77 static Double_t YBeauty(Double_t *py, Double_t *dummy);
78 static Int_t IpBeauty(TRandom *ran);
80 GenFunc GetPt(Int_t param, const char* tname=0) const;
81 GenFunc GetY (Int_t param, const char* tname=0) const;
82 GenFuncIp GetIp(Int_t param, const char* tname=0) const;
85 static Float_t Interpolate(Float_t x, Float_t* y, Float_t x0,
89 ClassDef(AliGenMUONlib,0) // Library providing y and pT parameterisations