PWG2/SPECTRA/AliAnalysisTaskCheckCascade.h

   1 #ifndef ALIANALYSISTASKCHECKCASCADE_H
   2 #define ALIANALYSISTASKCHECKCASCADE_H
   3
   4 /*  See cxx source for full Copyright notice */
   5
   6 //-----------------------------------------------------------------
   7 //                 AliAnalysisTaskCheckCascade class
   8 //            (AliAnalysisTaskCheckCascade)
   9 //            This task is for QAing the Cascades from ESD and AOD
  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 TH2F;
  17
  18
  19 #include "TString.h"
  20
  21 #include "AliAnalysisTaskSE.h"
  22
  23 class AliAnalysisTaskCheckCascade : public AliAnalysisTaskSE {
  24  public:
  25   AliAnalysisTaskCheckCascade();
  26   AliAnalysisTaskCheckCascade(const char *name);
  27   virtual ~AliAnalysisTaskCheckCascade() {}
  28
  29   virtual void   UserCreateOutputObjects();
  30   virtual void   UserExec(Option_t *option);
  31   virtual void   Terminate(Option_t *);
  32
  33   void SetCollidingSystem(Short_t collidingSystems = 0)     {fCollidingSystems = collidingSystems;}
  34   void SetAnalysisType   (const char* analysisType = "ESD") {fAnalysisType = analysisType;}
  35
  36  private:
  37         TString fAnalysisType;                          // "ESD" or "AOD" analysis type
  38         Short_t fCollidingSystems;                      // 0 = pp collisions or 1 = AA collisions
  39
  40
  41                 TList   *fListHistCascade;              //! List of Cascade histograms
  42
  43         // - General histos (filled for any event)
  44         TH1F    *fHistTrackMultiplicity;                //! Track multiplicity distribution
  45         TH1F    *fHistCascadeMultiplicity;              //! Cascade multiplicity distribution
  46
  47
  48         // - Vertex Positions
  49         TH1F    *fHistVtxStatus;                        //! Is there a tracking vertex in the event ?
  50
  51                 // Vtx coming from the full tracking
  52         TH1F    *fHistPosTrkgPrimaryVtxX;               //! primary vertex position distribution in x
  53         TH1F    *fHistPosTrkgPrimaryVtxY;               //! primary vertex position distribution in y
  54         TH1F    *fHistPosTrkgPrimaryVtxZ;               //! primary vertex position distribution in z
  55         TH1F    *fHistTrkgPrimaryVtxRadius;             //! primary vertex (3D) radius distribution
  56
  57                 // Best primary Vtx available for the event
  58         TH1F    *fHistPosBestPrimaryVtxX;               //! (best) primary vertex position distribution in x
  59         TH1F    *fHistPosBestPrimaryVtxY;               //! (best) primary vertex position distribution in y
  60         TH1F    *fHistPosBestPrimaryVtxZ;               //! (best) primary vertex position distribution in z
  61         TH1F    *fHistBestPrimaryVtxRadius;             //! (best) primary vertex radius distribution
  62
  63                 // Correlation Best Vtx / Full Tracking Vtx
  64         TH2F    *f2dHistTrkgPrimVtxVsBestPrimVtx;       //!  Radius of prim. Vtx from tracks Vs Radius of best Prim. Vtx
  65
  66
  67
  68         // - Typical histos on the variables used for the selection of cascades
  69         TH1F    *fHistEffMassXi;                        //! reconstructed cascade effective mass
  70         TH1F    *fHistChi2Xi;                           //! chi2 value
  71         TH1F    *fHistDcaXiDaughters;                   //! dca between Xi's daughters
  72         TH1F    *fHistDcaBachToPrimVertex;              //! dca of the bachelor track to primary vertex
  73         TH1F    *fHistXiCosineOfPointingAngle;          //! cosine of Xi pointing angle in a cascade
  74         TH1F    *fHistXiRadius;                         //! (transverse) radius of the cascade vertex
  75
  76         // - Histos about ~ the "V0 selection part" of the cascade,  coming by inheritance from AliESDv0
  77         TH1F    *fHistMassLambdaAsCascDghter;           //! Test Invariant Mass of Lambda coming from Cascade
  78         TH1F    *fHistV0Chi2Xi;                         //! V0 chi2 distribution, for the V0 associated to a cascade
  79         TH1F    *fHistDcaV0DaughtersXi;                 //! Dca between V0 daughters, for the V0 associated to a cascade
  80         TH1F    *fHistDcaV0ToPrimVertexXi;              //! Dca of V0 to primary vertex, for the V0 associated to a cascade
  81         TH1F    *fHistV0CosineOfPointingAngleXi;        //! Cosine of V0 pointing angle, for the V0 associated to a cascade
  82         TH1F    *fHistV0RadiusXi;                       //! V0 (transverse) distance distribution, for the V0 associated to a cascade
  83
  84         TH1F    *fHistDcaPosToPrimVertexXi;             //! Dca of V0 positive daughter to primary vertex, for the V0 associated to a cascade
  85         TH1F    *fHistDcaNegToPrimVertexXi;             //! Dca of V0 negative daughter to primary vertex, for the V0 associated to a cascade
  86
  87
  88         // - Effective mass histos for cascades.
  89         TH1F    *fHistMassXiMinus;                      //! reconstructed cascade effective mass, under Xi- hyp.
  90         TH1F    *fHistMassXiPlus;                       //! reconstructed cascade effective mass, under Xi+ hyp.
  91         TH1F    *fHistMassOmegaMinus;                   //! reconstructed cascade effective mass, under Omega- hyp.
  92         TH1F    *fHistMassOmegaPlus;                    //! reconstructed cascade effective mass, under Omega+ hyp.
  93
  94         // - Complements for QA
  95         TH1F    *fHistXiTransvMom;                      //! Xi transverse momentum
  96         TH1F    *fHistXiTotMom;                         //! Xi momentum norm
  97
  98         TH1F    *fHistBachTransvMom;                    //! bachelor transverse momentum
  99         TH1F    *fHistBachTotMom;                       //! bachelor momentum norm
 100
 101         TH1F    *fHistChargeXi;                         //! Charge sign of the cascade candidate
 102         TH1F    *fHistV0toXiCosineOfPointingAngle;      //! Cos. of Pointing angle between the V0 mom and the Xi-V0 vtx line
 103
 104         TH1F    *fHistRapXi;                            //! rapidity of Xi candidates
 105         TH1F    *fHistRapOmega;                         //! rapidity of Omega candidates
 106         TH1F    *fHistEta;                              //! eta distrib. of all the cascade candidates
 107         TH1F    *fHistTheta;                            //! theta distrib. of all the cascade candidates
 108         TH1F    *fHistPhi;                              //! phi distrib. of all the cascade candidates
 109
 110         TH2F    *f2dHistArmenteros;                     //! alpha(casc. cand.) Vs PtArm(casc. cand.)
 111
 112         TH2F    *f2dHistEffMassLambdaVsEffMassXiMinus;  //! Xi- Eff mass Vs V0 Eff mass, under Xi- hyp.
 113         TH2F    *f2dHistEffMassXiVsEffMassOmegaMinus;   //! Xi- Eff mass Vs Omega- Eff mass, for negative cascades
 114         TH2F    *f2dHistEffMassLambdaVsEffMassXiPlus;   //! Xi+ Eff mass Vs V0 Eff mass, under Xi+ hyp.
 115         TH2F    *f2dHistEffMassXiVsEffMassOmegaPlus;    //! Xi+ Eff mass Vs Omega+ Eff mass, for positive cascades
 116
 117         TH2F    *f2dHistXiRadiusVsEffMassXiMinus;       //! transv. casc. decay radius Vs Xi- Eff mass, under Xi- hyp.
 118         TH2F    *f2dHistXiRadiusVsEffMassXiPlus;        //! transv. casc. decay radius Vs Xi+ Eff mass, under Xi+ hyp.
 119
 120   AliAnalysisTaskCheckCascade(const AliAnalysisTaskCheckCascade&);            // not implemented
 121   AliAnalysisTaskCheckCascade& operator=(const AliAnalysisTaskCheckCascade&); // not implemented
 122
 123   ClassDef(AliAnalysisTaskCheckCascade, 3);
 124 };
 125
 126 #endif