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[u/mrichter/AliRoot.git] / EVGEN / AliGenSTRANGElib.h
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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:
24 enum constants{kKaon, kPhi, kLambda, kXiMinus, kOmegaMinus};
25// pions
26 static Double_t PtPion(Double_t *px, Double_t *dummy);
27 static Double_t PtScal(Double_t pt, Int_t np);
28// kaons
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);
32// phis
33 static Double_t PtPhi(Double_t *px, Double_t *dummy);
34 static Double_t YPhi( Double_t *py, Double_t *dummy);
35 static Int_t IpPhi(TRandom* ran);
36// lambda
37 static Double_t PtLambda(Double_t *px, Double_t *dummy);
38 static Double_t YLambda( Double_t *py, Double_t *dummy);
39 static Int_t IpLambda(TRandom *ran);
40// Ximinus
41 static Double_t PtXiMinus(Double_t *px, Double_t *dummy);
42 static Double_t YXiMinus( Double_t *py, Double_t *dummy);
43 static Int_t IpXiMinus(TRandom *ran);
44// Omegaminus
45 static Double_t PtOmegaMinus(Double_t *px, Double_t *dummy);
46 static Double_t YOmegaMinus( Double_t *py, Double_t *dummy);
47 static Int_t IpOmegaMinus(TRandom *ran);
48
d5b6b483 49 GenFunc GetPt(Int_t param, const char* tname=0) const;
50 GenFunc GetY (Int_t param, const char* tname=0) const;
51 GenFuncIp GetIp(Int_t param, const char* tname=0) const;
87f8f72e 52 ClassDef(AliGenSTRANGElib,0) // Library providing y and pT parameterisations
53};
54#endif
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