PWG2/KINK/AliResonanceKinkLikeSign.h

   1 #ifndef ALIRESONANCEKINKLIKESIGN_H
   2 #define ALIRESONANCEKINKLIKESIGN_H
   3
   4 /*  See cxx source for full Copyright notice */
   5
   6 //--------------------------------------------------------------------------------
   7 //                   class AliResonanceKinkLikeSign
   8 //         This task is an example of an analysis task
   9 //        for producing a like-sign background for resonances having at least one
  10 //        kaon-kink in their decay products.
  11 //        Author: Paraskevi Ganoti, University of Athens (pganoti@phys.uoa.gr)
  12 //---------------------------------------------------------------------------------
  13 class TF1;
  14 class TTree;
  15 class AliESDEvent;
  16 class AliPID;
  17 class AliAnalysisTaskSE;
  18
  19 class AliResonanceKinkLikeSign : public AliAnalysisTaskSE {
  20  public:
  21   AliResonanceKinkLikeSign();
  22   AliResonanceKinkLikeSign(const char *name);
  23   virtual ~AliResonanceKinkLikeSign() {}
  24
  25   virtual void   ConnectInputData(Option_t *);
  26   virtual void   CreateOutputObjects();
  27   virtual void   Exec(Option_t *option);
  28   virtual void   Terminate(Option_t *);
  29
  30   Float_t GetSigmaToVertex(AliESDtrack* esdTrack) const ;
  31   const AliESDVertex *GetEventVertex(const AliESDEvent* esd) const;
  32
  33  private:
  34   AliESDEvent *fESD;    //! ESD object
  35   TList       *fListOfHistos; //! List
  36   TF1         *f1;
  37   TF1         *f2;
  38   TH1D        *fNegKaonLikeSign; //! negative spectrum
  39
  40   AliResonanceKinkLikeSign(const AliResonanceKinkLikeSign&); // not implemented
  41   AliResonanceKinkLikeSign& operator=(const AliResonanceKinkLikeSign&); // not implemented
  42
  43   ClassDef(AliResonanceKinkLikeSign, 1); // example of analysis
  44 };
  45
  46 #endif