PWG3/vertexingHF/AliAnalysisTaskSEBkgLikeSignD0.h

   1 #ifndef AliAnalysisTaskSEBkgLikeSignD0_H
   2 #define AliAnalysisTaskSEBkgLikeSignD0_H
   3
   4 /* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 //*************************************************************************
   8 // Class AliAnalysisTaskSEBkgLikeSignD0
   9 // AliAnalysisTaskSE for reading both reconstructed D0 -> Kpi candidates
  10 // and like sign pairs and for drawing corresponding distributions
  11 // Author: C.Di Giglio, carmelo.digiglio@ba.infn.it
  12 //*************************************************************************
  13
  14 #include <TROOT.h>
  15 #include <TSystem.h>
  16 #include <TList.h>
  17 #include <TH1F.h>
  18 #include <TH2F.h>
  19
  20 #include "AliAnalysisTaskSE.h"
  21 #include "AliAnalysisVertexingHF.h"
  22
  23 class AliAnalysisTaskSEBkgLikeSignD0 : public AliAnalysisTaskSE
  24 {
  25  public:
  26
  27   AliAnalysisTaskSEBkgLikeSignD0();
  28   AliAnalysisTaskSEBkgLikeSignD0(const char *name);
  29   virtual ~AliAnalysisTaskSEBkgLikeSignD0();
  30
  31
  32   // Implementation of interface methods
  33   virtual void UserCreateOutputObjects();
  34   virtual void Init();
  35   virtual void LocalInit() {Init();}
  36   virtual void UserExec(Option_t *option);
  37   virtual void Terminate(Option_t *option);
  38
  39  private:
  40
  41   AliAnalysisTaskSEBkgLikeSignD0(const AliAnalysisTaskSEBkgLikeSignD0 &source);
  42   AliAnalysisTaskSEBkgLikeSignD0& operator=(const AliAnalysisTaskSEBkgLikeSignD0& source);
  43
  44   TList   *fOutput;                //! list send on output slot 0
  45   TH1F    *fHistMassD0;            //! output histograms
  46   TH1F    *fHistMassLS;            //!
  47   TH1F    *fHistCtsD0;             //! Cosine of decay angle
  48   TH1F    *fHistCtsLS;             //!
  49   TH1F    *fHistCtsLSpos;          //!
  50   TH1F    *fHistCtsLSneg;          //!
  51   TH1F    *fHistCPtaD0;            //! Cosine of pointing angle
  52   TH1F    *fHistCPtaLS;            //!
  53   TH1F    *fHistd0d0D0;            //! Product of impact parameters
  54   TH1F    *fHistd0d0LS;            //!
  55   TH1F    *fHistDCAD0;             //! Distance of closest approach
  56   TH1F    *fHistDCALS;             //! like-sign
  57   AliAnalysisVertexingHF *fVHF;    // Vertexer heavy flavour (used to pass the cuts)
  58   TH1F *fNentries;                 //! histogram with number of events
  59   Int_t fTotPosPairs;              //
  60   Int_t fTotNegPairs;              // normalization
  61   Double_t fLsNormalization;       //
  62
  63   ClassDef(AliAnalysisTaskSEBkgLikeSignD0,1); // comparison of unlike-sign and like-sign background for D0->Kpi
  64 };
  65
  66 #endif