1 #ifndef ALIANALYSISTASKESDCHECKCASCADE_H
2 #define ALIANALYSISTASKESDCHECKCASCADE_H
4 /* See cxx source for full Copyright notice */
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 //-----------------------------------------------------------------
18 #include "AliAnalysisTask.h"
20 class AliAnalysisTaskESDCheckCascade : public AliAnalysisTask {
22 AliAnalysisTaskESDCheckCascade();
23 AliAnalysisTaskESDCheckCascade(const char *name);
24 virtual ~AliAnalysisTaskESDCheckCascade() {}
26 virtual void ConnectInputData(Option_t *);
27 virtual void CreateOutputObjects();
28 virtual void Exec(Option_t *option);
29 virtual void Terminate(Option_t *);
32 AliESDInputHandler *fesdH; //! InputHandler object
33 AliMCEvent *fMCevent; //! MC event object
34 AliESDEvent *fESD; //! ESD object
40 TList *fListHistCascade; //! List of Cascade histograms
42 // - General histos (filled for any event)
43 TH1F *fHistTrackMultiplicity; //! Track multiplicity distribution
44 TH1F *fHistCascadeMultiplicity; //! Cascade multiplicity distribution
48 TH1F *fHistVtxStatus; //! Is there a tracking vertex in the event ?
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
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
62 // Correlation Best Vtx / Full Tracking Vtx
63 TH2F *f2dHistTrkgPrimVtxVsBestPrimVtx; //! Radius of prim. Vtx from tracks Vs Radius of best Prim. Vtx
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
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
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
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.
93 // - Complements for QA
94 TH1F *fHistXiTransvMom; //! Xi transverse momentum
95 TH1F *fHistXiTotMom; //! Xi momentum norm
97 TH1F *fHistBachTransvMom; //! bachelor transverse momentum
98 TH1F *fHistBachTotMom; //! bachelor momentum norm
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
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
109 TH2F *f2dHistArmenteros; //! alpha(casc. cand.) Vs PtArm(casc. cand.)
110 TH2F *f2dHistEffMassXiVsEffMassLambda; //! Xi- Eff mass Vs V0 Eff mass, under Xi- hyp.
111 TH2F *f2dHistXiRadiusVsEffMassXi; //! transv. casc. decay radius Vs Xi- Eff mass, under Xi- hyp.
113 AliAnalysisTaskESDCheckCascade(const AliAnalysisTaskESDCheckCascade&); // not implemented
114 AliAnalysisTaskESDCheckCascade& operator=(const AliAnalysisTaskESDCheckCascade&); // not implemented
116 ClassDef(AliAnalysisTaskESDCheckCascade, 2);