Randomized generator selection added.
[u/mrichter/AliRoot.git] / EVGEN / AliGenMUONlib.h
CommitLineData
d90f80fd 1#ifndef ALIGENMUONLIB_H
2#define ALIGENMUONLIB_H
3da30618 3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
53904666 8// Library class for particle pt and y distributions used for
9// muon spectrometer simulations.
10// To be used with AliGenParam.
11//
12// andreas.morsch@cern.ch
13
b22ee262 14#include "AliGenLib.h"
886b6f73 15
fe4da5cc 16class AliGenMUONlib :
65fb704d 17 public AliGenLib
fe4da5cc 18{
19 public:
88e5db43 20 enum constants{kPhi, kOmega, kEta, kJpsi, kJpsiFamily, kPsiP, kJpsiFromB, kUpsilon, kUpsilonFamily,
21 kUpsilonP, kUpsilonPP, kCharm, kBeauty, kPion, kKaon};
34f60c01 22
23
753690b0 24// pions
d90f80fd 25 static Double_t PtPion(Double_t *px, Double_t *dummy);
fe4da5cc 26 static Double_t PtScal(Double_t pt, Int_t np);
d90f80fd 27 static Double_t YPion( Double_t *py, Double_t *dummy);
65fb704d 28 static Int_t IpPion(TRandom *ran);
753690b0 29// kaons
d90f80fd 30 static Double_t PtKaon(Double_t *px, Double_t *dummy);
31 static Double_t YKaon( Double_t *py, Double_t *dummy);
65fb704d 32 static Int_t IpKaon(TRandom *ran);
fe4da5cc 33// Phi
d90f80fd 34 static Double_t PtPhi( Double_t *px, Double_t *dummy);
35 static Double_t YPhi( Double_t *px, Double_t *dummy);
65fb704d 36 static Int_t IpPhi(TRandom *ran);
89512a3b 37// Omega
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);
41// Eta
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);
fe4da5cc 45// J/Psi
d90f80fd 46 static Double_t PtJpsi( Double_t *px, Double_t *dummy);
47 static Double_t YJpsi(Double_t *py, Double_t *dummy);
05932df6 48 static Double_t PtJpsiPbPb( Double_t *px, Double_t *dummy);
17d28ba5 49 static Double_t PtJpsiBPbPb( Double_t *px, Double_t *dummy);
05932df6 50 static Double_t YJpsiPbPb(Double_t *py, Double_t *dummy);
bb6e81ac 51 static Double_t PtJpsiPP( Double_t *px, Double_t *dummy);
52 static Double_t YJpsiPP(Double_t *py, Double_t *dummy);
17d28ba5 53 static Double_t YJpsiBPbPb(Double_t *py, Double_t *dummy);
65fb704d 54 static Int_t IpJpsi(TRandom *ran);
0ad09590 55 static Int_t IpJpsiFamily(TRandom *ran);
88e5db43 56 static Int_t IpPsiP(TRandom *ran);
57
fe4da5cc 58// Upsilon
d90f80fd 59 static Double_t PtUpsilon( Double_t *px, Double_t *dummy );
60 static Double_t YUpsilon(Double_t *py, Double_t *dummy);
05932df6 61 static Double_t PtUpsilonPbPb( Double_t *px, Double_t *dummy );
62 static Double_t YUpsilonPbPb(Double_t *py, Double_t *dummy);
bb6e81ac 63 static Double_t PtUpsilonPP( Double_t *px, Double_t *dummy );
64 static Double_t YUpsilonPP(Double_t *py, Double_t *dummy);
65fb704d 65 static Int_t IpUpsilon(TRandom *ran);
0ad09590 66 static Int_t IpUpsilonFamily(TRandom *ran);
88e5db43 67 static Int_t IpUpsilonP(TRandom *ran);
68 static Int_t IpUpsilonPP(TRandom *ran);
fe4da5cc 69//
70// Charm
d90f80fd 71 static Double_t PtCharm( Double_t *px, Double_t *dummy );
bd0276a8 72 static Double_t PtCharmCentral( Double_t *px, Double_t *dummy );
d90f80fd 73 static Double_t YCharm(Double_t *py, Double_t *dummy);
65fb704d 74 static Int_t IpCharm(TRandom *ran);
fe4da5cc 75//
76// Beauty
d90f80fd 77 static Double_t PtBeauty( Double_t *px, Double_t *dummy );
bd0276a8 78 static Double_t PtBeautyCentral( Double_t *px, Double_t *dummy );
d90f80fd 79 static Double_t YBeauty(Double_t *py, Double_t *dummy);
65fb704d 80 static Int_t IpBeauty(TRandom *ran);
fe4da5cc 81//
53904666 82 GenFunc GetPt(Int_t param, const char* tname=0) const;
83 GenFunc GetY (Int_t param, const char* tname=0) const;
05932df6 84 GenFuncIp GetIp(Int_t param, const char* tname=0) const;
85 private:
86
87 static Float_t Interpolate(Float_t x, Float_t* y, Float_t x0,
88 Float_t dx,
89 Int_t n, Int_t no);
90
762c0d1d 91 ClassDef(AliGenMUONlib,0) // Library providing y and pT parameterisations
fe4da5cc 92};
93#endif
94
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