PWG2/SPECTRA/AliAnalysisTaskESDCheckCascade.h

   1 #ifndef ALIANALYSISTASKESDCHECKCASCADE_H
   2 #define ALIANALYSISTASKESDCHECKCASCADE_H
   3
   4 /*  See cxx source for full Copyright notice */
   5
   6 //-----------------------------------------------------------------
   7 //                 AliAnalysisTaskESDCheckCascade class
   8 //            (AliAnalysisTaskESDCheckCascade)
   9 //            This task is for QAing the Cascades from the ESD
  10 //              Origin:  AliAnalysisTaskESDCheckV0 by B.H. Nov2007, hippolyt@in2p3.fr
  11 //            Adapted to Cascade : A.M Mar2008, antonin.maire@ires.in2p3.fr
  12 //-----------------------------------------------------------------
  13
  14 class TList;
  15 class TH1F;
  16 class AliESDEvent;
  17
  18 #include "AliAnalysisTask.h"
  19
  20 class AliAnalysisTaskESDCheckCascade : public AliAnalysisTask {
  21  public:
  22   AliAnalysisTaskESDCheckCascade();
  23   AliAnalysisTaskESDCheckCascade(const char *name);
  24   virtual ~AliAnalysisTaskESDCheckCascade() {}
  25
  26   virtual void   ConnectInputData(Option_t *);
  27   virtual void   CreateOutputObjects();
  28   virtual void   Exec(Option_t *option);
  29   virtual void   Terminate(Option_t *);
  30
  31  private:
  32   AliESDInputHandler *fesdH;            //! InputHandler object
  33   AliMCEvent  *fMCevent;                //! MC event object
  34   AliESDEvent *fESD;                    //! ESD object
  35
  36
  37
  38
  39
  40                 TList   *fListHistCascade;              //! List of Cascade histograms
  41
  42         // - General histos (filled for any event)
  43         TH1F    *fHistTrackMultiplicity;                //! Track multiplicity distribution
  44         TH1F    *fHistCascadeMultiplicity;              //! Cascade multiplicity distribution
  45
  46
  47         // - Vertex Positions
  48                 // (Vtx coming from the full tracking)
  49         TH1F    *fHistPosTrkgPrimaryVtxX;               //! Primary vertex position distribution in x
  50         TH1F    *fHistPosTrkgPrimaryVtxY;               //! Primary vertex position distribution in y
  51         TH1F    *fHistPosTrkgPrimaryVtxZ;               //! Primary vertex position distribution in z
  52         TH1F    *fHistTrkgPrimaryVtxRadius;             //! Primary vertex (3D) radius distribution
  53
  54                 // (Vtx coming from the SPD only)
  55         TH1F    *fHistPosSPDPrimaryVtxX;                //! Primary vertex position distribution in x
  56         TH1F    *fHistPosSPDPrimaryVtxY;                //! Primary vertex position distribution in y
  57         TH1F    *fHistPosSPDPrimaryVtxZ;                //! Primary vertex position distribution in z
  58         TH1F    *fHistSPDPrimaryVtxRadius;              //! Primary vertex (3D) radius distribution
  59
  60                 // Correlation SPD Vtx / Full Tracking Vtx
  61         TH2F    *f2dHistTrkgPrimVtxVsSPDPrimVtx;        //!  Radius of Prim. Vtx from tracks Vs Radius of Prim. Vtx from SPD
  62
  63
  64
  65         // - Typical histos for cascades
  66         TH1F    *fHistEffMassXi;                        //! reconstructed cascade effective mass
  67         TH1F    *fHistChi2Xi;                           //! chi2 value
  68         TH1F    *fHistDcaXiDaughters;                   //! dca between Xi's daughters
  69         TH1F    *fHistDcaBachToPrimVertex;              //! Dca of the bachelor track to primary vertex
  70         TH1F    *fHistXiCosineOfPointingAngle;          //! Cosine of Xi pointing angle in a cascade
  71         TH1F    *fHistXiRadius;                         //! (transverse) radius of the cascade vertex
  72
  73         TH1F    *fHistXiTransvMom;                      //! Xi transverse momentum
  74         TH1F    *fHistXiTotMom;                         //! Xi momentum norm
  75
  76         TH1F    *fHistBachTransvMom;                    //! bachelor transverse momentum
  77         TH1F    *fHistBachTotMom;                       //! bachelor momentum norm
  78
  79
  80         // - Histos about ~ the "V0 part" of the cascade,  coming by inheritance from AliESDv0
  81         TH1F    *fHistMassLambdaAsCascDghter;           //! Test Invariant Mass of Lambda coming from Cascade
  82         TH1F    *fHistV0Chi2Xi;                 //! V0 chi2 distribution, for the V0 associated to a cascade
  83         TH1F    *fHistDcaV0DaughtersXi;         //! Dca between V0 daughters, for the V0 associated to a cascade
  84         TH1F    *fHistDcaV0ToPrimVertexXi;              //! Dca of V0 to primary vertex, for the V0 associated to a cascade
  85         TH1F    *fHistV0CosineOfPointingAngleXi;        //! Cosine of V0 pointing angle, for the V0 associated to a cascade
  86         TH1F    *fHistV0RadiusXi;                       //! V0 (transverse) distance distribution, for the V0 associated to a cascade
  87
  88         TH1F    *fHistDcaPosToPrimVertexXi;             //! Dca of V0 positive daughter to primary vertex, for the V0 associated to a cascade
  89         TH1F    *fHistDcaNegToPrimVertexXi;             //! Dca of V0 negative daughter to primary vertex, for the V0 associated to a cascade
  90
  91
  92         // - Effective mass histos for cascades.
  93         TH1F    *fHistMassXiMinus;                      //! reconstructed cascade effective mass, under Xi- hyp.
  94         TH1F    *fHistMassXiPlus;                       //! reconstructed cascade effective mass, under Xi+ hyp.
  95         TH1F    *fHistMassOmegaMinus;                   //! reconstructed cascade effective mass, under Omega- hyp.
  96         TH1F    *fHistMassOmegaPlus;                    //! reconstructed cascade effective mass, under Omega+ hyp.
  97
  98
  99
 100   AliAnalysisTaskESDCheckCascade(const AliAnalysisTaskESDCheckCascade&);            // not implemented
 101   AliAnalysisTaskESDCheckCascade& operator=(const AliAnalysisTaskESDCheckCascade&); // not implemented
 102
 103   ClassDef(AliAnalysisTaskESDCheckCascade, 1);
 104 };
 105
 106 #endif