Indexing bug fixed.
[u/mrichter/AliRoot.git] / EVGEN / AliGenSTRANGElib.h
CommitLineData
87f8f72e 1#ifndef ALIGENSTRANGELIB_H
2#define ALIGENSTRANGELIB_H
3#include "AliGenLib.h"
4/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
6
7
8/* $Id$ */
9
ac3faee4 10//======================================================================
11// AliGenSTRANGElib class contains parameterizations of the
12// kaon, phi and hyperon (Lambda, Anti-Lambda, Xi, anti-Xi, Omega,
13// anti-Omega) for the PPR study of the strange particle production.
14//
15// Rocco CALIANDRO. Rosa Anna FINI, Tiziano VIRGILI
16//======================================================================
17
87f8f72e 18class TRandom;
19
20class AliGenSTRANGElib :
21public AliGenLib
22{
23 public:
418e091f 24 enum constants{kKaon, kPhi, kLambda, kLambda1520=3124, kOmegaMinus = 3334, kXiMinus = 3312};
fac5662b 25 GenFunc GetPt(Int_t param, const char* tname=0) const;
26 GenFunc GetY (Int_t param, const char* tname=0) const;
27 GenFuncIp GetIp(Int_t param, const char* tname=0) const;
28 private:
87f8f72e 29// pions
75e0cc59 30 static Double_t PtPion(const Double_t *px, const Double_t *dummy);
87f8f72e 31 static Double_t PtScal(Double_t pt, Int_t np);
32// kaons
75e0cc59 33 static Double_t PtKaon(const Double_t *px, const Double_t *dummy);
34 static Double_t YKaon( const Double_t *py, const Double_t *dummy);
87f8f72e 35 static Int_t IpKaon(TRandom* ran);
36// phis
75e0cc59 37 static Double_t PtPhi(const Double_t *px, const Double_t *dummy);
38 static Double_t YPhi( const Double_t *py, const Double_t *dummy);
87f8f72e 39 static Int_t IpPhi(TRandom* ran);
40// lambda
75e0cc59 41 static Double_t PtLambda(const Double_t *px, const Double_t *dummy);
42 static Double_t YLambda( const Double_t *py, const Double_t *dummy);
87f8f72e 43 static Int_t IpLambda(TRandom *ran);
44// Ximinus
75e0cc59 45 static Double_t PtXiMinus(const Double_t *px, const Double_t *dummy);
46 static Double_t YXiMinus( const Double_t *py, const Double_t *dummy);
87f8f72e 47 static Int_t IpXiMinus(TRandom *ran);
48// Omegaminus
75e0cc59 49 static Double_t PtOmegaMinus(const Double_t *px, const Double_t *dummy);
50 static Double_t YOmegaMinus( const Double_t *py, const Double_t *dummy);
87f8f72e 51 static Int_t IpOmegaMinus(TRandom *ran);
13313168 52// Lambda(1520)
75e0cc59 53 static Double_t PtLambda1520(const Double_t *px, const Double_t *dummy);
54 static Double_t YLambda1520(const Double_t *py, const Double_t *dummy);
13313168 55 static Int_t IpLambda1520(TRandom *ran);
87f8f72e 56
87f8f72e 57 ClassDef(AliGenSTRANGElib,0) // Library providing y and pT parameterisations
58};
59#endif
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