PWG2/SPECTRA/AliAnalysisTaskCheckCascade.h

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