PWGDQ/dielectron/AliDielectronBtoJPSItoEle.h

   1 #ifndef ALIDIELECTRONBTOJPSITOELE_H
   2 #define ALIDIELECTRONBTOJPSITOELE_H
   3 /* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
   4  * See cxx source for full Copyright notice                               */
   5
   6 //-------------------------------------------------------------------------
   7 //                         Class AliDielectronBtoJPSItoEle
   8 //                  Unbinned log-likelihood fit analysis class
   9 //
  10 //                             Origin: C.Di Giglio
  11 //       Contact: Carmelo.Digiglio@ba.infn.it , giuseppe.bruno@ba.infn.it
  12 //-------------------------------------------------------------------------
  13
  14 #include "TH1F.h"
  15
  16 class TNtuple ;
  17 class AliDielectronBtoJPSItoEleCDFfitHandler ;
  18 class AliDielectronBtoJPSItoEleCDFfitFCN ;
  19
  20 class AliDielectronBtoJPSItoEle : public TNamed {
  21         public:
  22                 //
  23                 AliDielectronBtoJPSItoEle();
  24                 AliDielectronBtoJPSItoEle(const AliDielectronBtoJPSItoEle& source);
  25                 AliDielectronBtoJPSItoEle& operator=(const AliDielectronBtoJPSItoEle& source);
  26                 virtual ~AliDielectronBtoJPSItoEle();
  27
  28                 Int_t DoMinimization(Int_t step = 0);
  29                 void ReadCandidates(TNtuple* nt, Double_t* &x, Double_t* &m, Double_t* &pt, Int_t * &typeCand, Int_t& n,Double_t massLow = -1., Double_t massUp = -1., Double_t ptLow = -1., Double_t ptUp = -1.); // primary JPSI + secondary JPSI + bkg couples
  30
  31                 void SetCsiMC();
  32                 void SetFitHandler(Double_t* x /*pseudoproper*/, Double_t* m /*inv mass*/, Double_t *pt /*transverse momentum */, Int_t *type /*type*/, Int_t ncand /*candidates*/);
  33                 void CloneMCtemplate(const TH1F* MCtemplate) {fMCtemplate = (TH1F*)MCtemplate->Clone("fMCtemplate");}
  34                 void SetResTypeAnalysis(TString resType){fResType = resType;}
  35                 Double_t* GetResolutionConstants(Double_t* resolutionConst);
  36                 AliDielectronBtoJPSItoEleCDFfitHandler* GetCDFFitHandler() const { return fFCNfunction ; }
  37
  38         private:
  39                 //
  40                 AliDielectronBtoJPSItoEleCDFfitHandler* fFCNfunction; //! pointer to the interface class
  41                 TH1F* fMCtemplate;                          //! template of the MC distribution for the x distribution of the secondary J/psi
  42                 TString fResType;                           // string with candidate's types considered
  43
  44                 ClassDef(AliDielectronBtoJPSItoEle,1); // AliDielectronBtoJPSItoEle class
  45 };
  46
  47 #endif