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.Maire Mar2008, antonin.maire@ires.in2p3.fr
  12 //            Modified :           A.Maire Jun2009, antonin.maire@ires.in2p3.fr
  13 //-----------------------------------------------------------------
  14
  15 class TList;
  16 class TH1F;
  17 class TH2F;
  18 class TH3F;
  19
  20
  21 #include "TString.h"
  22
  23 #include "AliAnalysisTaskSE.h"
  24
  25 class AliAnalysisTaskCheckCascade : public AliAnalysisTaskSE {
  26  public:
  27   AliAnalysisTaskCheckCascade();
  28   AliAnalysisTaskCheckCascade(const char *name);
  29   virtual ~AliAnalysisTaskCheckCascade() {}
  30
  31   virtual void   UserCreateOutputObjects();
  32   virtual void   UserExec(Option_t *option);
  33   virtual void   Terminate(Option_t *);
  34
  35   void SetCollidingSystems(Short_t collidingSystems = 0)     {fCollidingSystems = collidingSystems;}
  36   void SetAnalysisType    (const char* analysisType = "ESD") {fAnalysisType = analysisType;}
  37
  38  private:
  39         TString fAnalysisType;                          // "ESD" or "AOD" analysis type
  40         Short_t fCollidingSystems;                      // 0 = pp collisions or 1 = AA collisions
  41
  42
  43                 TList   *fListHistCascade;              //! List of Cascade histograms
  44
  45         // - General histos (filled for any event)
  46         TH1F    *fHistTrackMultiplicity;                //! Track multiplicity distribution
  47         TH1F    *fHistCascadeMultiplicity;              //! Cascade multiplicity distribution
  48
  49
  50         // - Vertex Positions
  51         TH1F    *fHistVtxStatus;                        //! Is there a tracking vertex in the event ?
  52
  53                 // Vtx coming from the full tracking
  54         TH1F    *fHistPosTrkgPrimaryVtxX;               //! primary vertex position distribution in x
  55         TH1F    *fHistPosTrkgPrimaryVtxY;               //! primary vertex position distribution in y
  56         TH1F    *fHistPosTrkgPrimaryVtxZ;               //! primary vertex position distribution in z
  57         TH1F    *fHistTrkgPrimaryVtxRadius;             //! primary vertex (3D) radius distribution
  58
  59                 // Best primary Vtx available for the event
  60         TH1F    *fHistPosBestPrimaryVtxX;               //! (best) primary vertex position distribution in x
  61         TH1F    *fHistPosBestPrimaryVtxY;               //! (best) primary vertex position distribution in y
  62         TH1F    *fHistPosBestPrimaryVtxZ;               //! (best) primary vertex position distribution in z
  63         TH1F    *fHistBestPrimaryVtxRadius;             //! (best) primary vertex radius distribution
  64
  65                 // Correlation Best Vtx / Full Tracking Vtx
  66         TH2F    *f2dHistTrkgPrimVtxVsBestPrimVtx;       //!  Radius of prim. Vtx from tracks Vs Radius of best Prim. Vtx
  67
  68
  69
  70         // - Typical histos on the variables used for the selection of cascades
  71         TH1F    *fHistEffMassXi;                        //! reconstructed cascade effective mass
  72         TH1F    *fHistChi2Xi;                           //! chi2 value
  73         TH1F    *fHistDcaXiDaughters;                   //! dca between Xi's daughters
  74         TH1F    *fHistDcaBachToPrimVertex;              //! dca of the bachelor track to primary vertex
  75         TH1F    *fHistXiCosineOfPointingAngle;          //! cosine of Xi pointing angle in a cascade
  76         TH1F    *fHistXiRadius;                         //! (transverse) radius of the cascade vertex
  77
  78         // - Histos about ~ the "V0 selection part" of the cascade,  coming by inheritance from AliESDv0
  79         TH1F    *fHistMassLambdaAsCascDghter;           //! Test Invariant Mass of Lambda coming from Cascade
  80         TH1F    *fHistV0Chi2Xi;                         //! V0 chi2 distribution, for the V0 associated to a cascade
  81         TH1F    *fHistDcaV0DaughtersXi;                 //! Dca between V0 daughters, for the V0 associated to a cascade
  82         TH1F    *fHistDcaV0ToPrimVertexXi;              //! Dca of V0 to primary vertex, for the V0 associated to a cascade
  83         TH1F    *fHistV0CosineOfPointingAngleXi;        //! Cosine of V0 pointing angle, for the V0 associated to a cascade
  84         TH1F    *fHistV0RadiusXi;                       //! V0 (transverse) distance distribution, for the V0 associated to a cascade
  85
  86         TH1F    *fHistDcaPosToPrimVertexXi;             //! Dca of V0 positive daughter to primary vertex, for the V0 associated to a cascade
  87         TH1F    *fHistDcaNegToPrimVertexXi;             //! Dca of V0 negative daughter to primary vertex, for the V0 associated to a cascade
  88
  89
  90         // - Effective mass histos for cascades.
  91         TH1F    *fHistMassXiMinus;                      //! reconstructed cascade effective mass, under Xi- hyp.
  92         TH1F    *fHistMassXiPlus;                       //! reconstructed cascade effective mass, under Xi+ hyp.
  93         TH1F    *fHistMassOmegaMinus;                   //! reconstructed cascade effective mass, under Omega- hyp.
  94         TH1F    *fHistMassOmegaPlus;                    //! reconstructed cascade effective mass, under Omega+ hyp.
  95
  96         TH1F    *fHistMassWithCombPIDXiMinus;           //! reconstructed Xi- effective mass, with bach. comb PID
  97         TH1F    *fHistMassWithCombPIDXiPlus;            //! reconstructed Xi+ effective mass, with bach. comb PID
  98         TH1F    *fHistMassWithCombPIDOmegaMinus;        //! reconstructed Omega- effective mass, with bach. comb PID
  99         TH1F    *fHistMassWithCombPIDOmegaPlus;         //! reconstructed Omega+ effective mass, with bach. comb PID
 100
 101         // - Complements for QA
 102         TH1F    *fHistXiTransvMom;                      //! Xi transverse momentum
 103         TH1F    *fHistXiTotMom;                         //! Xi momentum norm
 104
 105         TH1F    *fHistBachTransvMom;                    //! bachelor transverse momentum
 106         TH1F    *fHistBachTotMom;                       //! bachelor momentum norm
 107
 108         TH1F    *fHistChargeXi;                         //! Charge sign of the cascade candidate
 109         TH1F    *fHistV0toXiCosineOfPointingAngle;      //! Cos. of Pointing angle between the V0 mom and the Xi-V0 vtx line
 110
 111         TH1F    *fHistRapXi;                            //! rapidity of Xi candidates
 112         TH1F    *fHistRapOmega;                         //! rapidity of Omega candidates
 113         TH1F    *fHistEta;                              //! eta distrib. of all the cascade candidates
 114         TH1F    *fHistTheta;                            //! theta distrib. of all the cascade candidates
 115         TH1F    *fHistPhi;                              //! phi distrib. of all the cascade candidates
 116
 117         TH2F    *f2dHistArmenteros;                     //! alpha(casc. cand.) Vs PtArm(casc. cand.)
 118
 119         TH2F    *f2dHistEffMassLambdaVsEffMassXiMinus;  //! Xi- Eff mass Vs V0 Eff mass, under Xi- hyp.
 120         TH2F    *f2dHistEffMassXiVsEffMassOmegaMinus;   //! Xi- Eff mass Vs Omega- Eff mass, for negative cascades
 121         TH2F    *f2dHistEffMassLambdaVsEffMassXiPlus;   //! Xi+ Eff mass Vs V0 Eff mass, under Xi+ hyp.
 122         TH2F    *f2dHistEffMassXiVsEffMassOmegaPlus;    //! Xi+ Eff mass Vs Omega+ Eff mass, for positive cascades
 123
 124         TH2F    *f2dHistXiRadiusVsEffMassXiMinus;       //! transv. casc. decay radius Vs Xi- Eff mass, under Xi- hyp.
 125         TH2F    *f2dHistXiRadiusVsEffMassXiPlus;        //! transv. casc. decay radius Vs Xi+ Eff mass, under Xi+ hyp.
 126         TH2F    *f2dHistXiRadiusVsEffMassOmegaMinus;    //! transv. casc. decay radius Vs Omega- Eff mass, under Omega- hyp.
 127         TH2F    *f2dHistXiRadiusVsEffMassOmegaPlus;     //! transv. casc. decay radius Vs Omega+ Eff mass, under Omega+ hyp.
 128
 129         TH3F    *f3dHistXiPtVsEffMassVsYXiMinus;        //! casc. transv. momemtum Vs Xi- Eff mass Vs Y
 130         TH3F    *f3dHistXiPtVsEffMassVsYXiPlus;         //! casc. transv. momemtum Vs Xi+ Eff mass Vs Y
 131         TH3F    *f3dHistXiPtVsEffMassVsYOmegaMinus;     //! casc. transv. momemtum Vs Omega- Eff mass Vs Y
 132         TH3F    *f3dHistXiPtVsEffMassVsYOmegaPlus;      //! casc. transv. momemtum Vs Omega+ Eff mass Vs Y
 133
 134   AliAnalysisTaskCheckCascade(const AliAnalysisTaskCheckCascade&);            // not implemented
 135   AliAnalysisTaskCheckCascade& operator=(const AliAnalysisTaskCheckCascade&); // not implemented
 136
 137   ClassDef(AliAnalysisTaskCheckCascade, 4);
 138 };
 139
 140 #endif