1 #ifndef ALIANALYSISTASKCHECKCASCADE_H
2 #define ALIANALYSISTASKCHECKCASCADE_H
4 /* See cxx source for full Copyright notice */
6 //-----------------------------------------------------------------
7 // AliAnalysisTaskCheckCascade class
8 // (AliAnalysisTaskCheckCascade)
9 // This task has four roles :
10 // 1. QAing the Cascades from ESD and AOD
11 // Origin: AliAnalysisTaskESDCheckV0 by B.H. Nov2007, hippolyt@in2p3.fr
12 // 2. Prepare the plots which stand as raw material for yield extraction (wi/wo PID)
13 // 3. Supply an AliCFContainer meant to define the optimised topological selections
14 // 4. Rough azimuthal correlation study (Eta, Phi)
15 // Adapted to Cascade : A.Maire Mar2008, antonin.maire@ires.in2p3.fr
16 // Modified : A.Maire Dec2009, antonin.maire@ires.in2p3.fr
17 //-----------------------------------------------------------------
32 #include "AliAnalysisTaskSE.h"
34 class AliAnalysisTaskCheckCascade : public AliAnalysisTaskSE {
36 AliAnalysisTaskCheckCascade();
37 AliAnalysisTaskCheckCascade(const char *name);
38 virtual ~AliAnalysisTaskCheckCascade() {}
40 virtual void UserCreateOutputObjects();
41 virtual void UserExec(Option_t *option);
42 void DoAngularCorrelation(const Char_t *lCascType,
43 Double_t lInvMassCascade,
44 const Int_t *lArrTrackID,
45 TVector3 &lTVect3MomXi,
47 virtual void Terminate(Option_t *);
49 void SetRealDataFlag (Short_t realData = 0) {fRealData = realData;}
50 void SetCollidingSystems(Short_t collidingSystems = 0) {fCollidingSystems = collidingSystems;}
51 void SetAnalysisType (const char* analysisType = "ESD") {fAnalysisType = analysisType;}
54 TString fAnalysisType; // "ESD" or "AOD" analysis type
55 Short_t fCollidingSystems; // 0 = pp collisions or 1 = AA collisions
56 AliESDpid* fESDpid; //! Tool data member to manage the TPC Bethe-Bloch info
57 Short_t fRealData; // 0 = MC data or 1 = real data (needed for trigger issues)
59 TList *fListHistCascade; //! List of Cascade histograms
61 // - General histos (filled for any event)
62 TH1F *fHistTrackMultiplicity; //! Track multiplicity distribution
63 TH1F *fHistCascadeMultiplicity; //! Cascade multiplicity distribution
67 TH1F *fHistVtxStatus; //! Is there a tracking vertex in the event ?
69 // Vtx coming from the full tracking
70 TH1F *fHistPosTrkgPrimaryVtxX; //! primary vertex position distribution in x
71 TH1F *fHistPosTrkgPrimaryVtxY; //! primary vertex position distribution in y
72 TH1F *fHistPosTrkgPrimaryVtxZ; //! primary vertex position distribution in z
73 TH1F *fHistTrkgPrimaryVtxRadius; //! primary vertex (3D) radius distribution
75 // Best primary Vtx available for the event
76 TH1F *fHistPosBestPrimaryVtxX; //! (best) primary vertex position distribution in x
77 TH1F *fHistPosBestPrimaryVtxY; //! (best) primary vertex position distribution in y
78 TH1F *fHistPosBestPrimaryVtxZ; //! (best) primary vertex position distribution in z
79 TH1F *fHistBestPrimaryVtxRadius; //! (best) primary vertex radius distribution
81 // Correlation Best Vtx / Full Tracking Vtx
82 TH2F *f2dHistTrkgPrimVtxVsBestPrimVtx; //! Radius of prim. Vtx from tracks Vs Radius of best Prim. Vtx
85 // PART 1 : Adavanced QA
86 // - Typical histos on the variables used for the selection of cascades
87 TH1F *fHistEffMassXi; //! reconstructed cascade effective mass
88 TH1F *fHistChi2Xi; //! chi2 value
89 TH1F *fHistDcaXiDaughters; //! dca between Xi's daughters
90 TH1F *fHistDcaBachToPrimVertex; //! dca of the bachelor track to primary vertex
91 TH1F *fHistXiCosineOfPointingAngle; //! cosine of Xi pointing angle in a cascade
92 TH1F *fHistXiRadius; //! (transverse) radius of the cascade vertex
94 // - Histos about ~ the "V0 selection part" of the cascade, coming by inheritance from AliESDv0
95 TH1F *fHistMassLambdaAsCascDghter; //! Test Invariant Mass of Lambda coming from Cascade
96 TH1F *fHistV0Chi2Xi; //! V0 chi2 distribution, for the V0 associated to a cascade
97 TH1F *fHistDcaV0DaughtersXi; //! Dca between V0 daughters, for the V0 associated to a cascade
98 TH1F *fHistDcaV0ToPrimVertexXi; //! Dca of V0 to primary vertex, for the V0 associated to a cascade
99 TH1F *fHistV0CosineOfPointingAngleXi; //! Cosine of V0 pointing angle, for the V0 associated to a cascade
100 TH1F *fHistV0RadiusXi; //! V0 (transverse) distance distribution, for the V0 associated to a cascade
102 TH1F *fHistDcaPosToPrimVertexXi; //! Dca of V0 positive daughter to primary vertex, for the V0 associated to a cascade
103 TH1F *fHistDcaNegToPrimVertexXi; //! Dca of V0 negative daughter to primary vertex, for the V0 associated to a cascade
106 // - Effective mass histos for cascades.
107 TH1F *fHistMassXiMinus; //! reconstructed cascade effective mass, under Xi- hyp.
108 TH1F *fHistMassXiPlus; //! reconstructed cascade effective mass, under Xi+ hyp.
109 TH1F *fHistMassOmegaMinus; //! reconstructed cascade effective mass, under Omega- hyp.
110 TH1F *fHistMassOmegaPlus; //! reconstructed cascade effective mass, under Omega+ hyp.
112 TH1F *fHistMassWithCombPIDXiMinus; //! reconstructed Xi- effective mass, with bach. comb PID
113 TH1F *fHistMassWithCombPIDXiPlus; //! reconstructed Xi+ effective mass, with bach. comb PID
114 TH1F *fHistMassWithCombPIDOmegaMinus; //! reconstructed Omega- effective mass, with bach. comb PID
115 TH1F *fHistMassWithCombPIDOmegaPlus; //! reconstructed Omega+ effective mass, with bach. comb PID
117 // - Complements for QA
118 TH1F *fHistXiTransvMom; //! Xi transverse momentum
119 TH1F *fHistXiTotMom; //! Xi momentum norm
121 TH1F *fHistBachTransvMom; //! bachelor transverse momentum
122 TH1F *fHistBachTotMom; //! bachelor momentum norm
124 TH1F *fHistChargeXi; //! Charge sign of the cascade candidate
125 TH1F *fHistV0toXiCosineOfPointingAngle; //! Cos. of Pointing angle between the V0 mom and the Xi-V0 vtx line
127 TH1F *fHistRapXi; //! rapidity of Xi candidates
128 TH1F *fHistRapOmega; //! rapidity of Omega candidates
129 TH1F *fHistEta; //! eta distrib. of all the cascade candidates
130 TH1F *fHistTheta; //! theta distrib. of all the cascade candidates
131 TH1F *fHistPhi; //! phi distrib. of all the cascade candidates
133 TH2F *f2dHistArmenteros; //! alpha(casc. cand.) Vs PtArm(casc. cand.)
135 TH2F *f2dHistEffMassLambdaVsEffMassXiMinus; //! Xi- Eff mass Vs V0 Eff mass, under Xi- hyp.
136 TH2F *f2dHistEffMassXiVsEffMassOmegaMinus; //! Xi- Eff mass Vs Omega- Eff mass, for negative cascades
137 TH2F *f2dHistEffMassLambdaVsEffMassXiPlus; //! Xi+ Eff mass Vs V0 Eff mass, under Xi+ hyp.
138 TH2F *f2dHistEffMassXiVsEffMassOmegaPlus; //! Xi+ Eff mass Vs Omega+ Eff mass, for positive cascades
140 TH2F *f2dHistXiRadiusVsEffMassXiMinus; //! transv. casc. decay radius Vs Xi- Eff mass, under Xi- hyp.
141 TH2F *f2dHistXiRadiusVsEffMassXiPlus; //! transv. casc. decay radius Vs Xi+ Eff mass, under Xi+ hyp.
142 TH2F *f2dHistXiRadiusVsEffMassOmegaMinus; //! transv. casc. decay radius Vs Omega- Eff mass, under Omega- hyp.
143 TH2F *f2dHistXiRadiusVsEffMassOmegaPlus; //! transv. casc. decay radius Vs Omega+ Eff mass, under Omega+ hyp.
146 // PART 2 : TH3F needed for pt spectrum and yield extraction
148 TH3F *f3dHistXiPtVsEffMassVsYXiMinus; //! casc. transv. momemtum Vs Xi- Eff mass Vs Y
149 TH3F *f3dHistXiPtVsEffMassVsYXiPlus; //! casc. transv. momemtum Vs Xi+ Eff mass Vs Y
150 TH3F *f3dHistXiPtVsEffMassVsYOmegaMinus; //! casc. transv. momemtum Vs Omega- Eff mass Vs Y
151 TH3F *f3dHistXiPtVsEffMassVsYOmegaPlus; //! casc. transv. momemtum Vs Omega+ Eff mass Vs Y
153 // With single PID : proton PID for Xi (pion = useless) / bachelor PID for Omega
154 // = a priori, the most important PID info for each species
155 TH3F *f3dHistXiPtVsEffMassVsYWithCombPIDXiMinus; //! casc. transv. momemtum Vs Xi- Eff mass Vs Y
156 TH3F *f3dHistXiPtVsEffMassVsYWithCombPIDXiPlus; //! casc. transv. momemtum Vs Xi+ Eff mass Vs Y
157 TH3F *f3dHistXiPtVsEffMassVsYWithCombPIDOmegaMinus; //! casc. transv. momemtum Vs Omega- Eff mass Vs Y
158 TH3F *f3dHistXiPtVsEffMassVsYWithCombPIDOmegaPlus; //! casc. transv. momemtum Vs Omega+ Eff mass Vs Y
160 // With double PID : proton PID + bachelor PID for Omega
161 // = "second order" refinement for omegas
162 TH3F *f3dHistXiPtVsEffMassVsYWith2CombPIDOmegaMinus; //! casc. transv. momemtum Vs Omega- Eff mass Vs Y
163 TH3F *f3dHistXiPtVsEffMassVsYWith2CombPIDOmegaPlus; //! casc. transv. momemtum Vs Omega+ Eff mass Vs Y
165 // With TPC PID : 3-sigma band on the Bethe-Bloch curve
166 // = directly detector-based
167 TH3F *f3dHistXiPtVsEffMassVsYWithTpcPIDOmegaMinus; //! casc. transv. momemtum Vs Omega- Eff mass Vs Y
169 // Compilation of all PID plots (3D = casc. transv. momemtum Vs Casc Eff mass Vs Y), stored into an AliCFContainer
170 AliCFContainer *fCFContCascadePIDXiMinus; //! for Xi- : Container to store any 3D histos with the different PID flavours
171 AliCFContainer *fCFContCascadePIDXiPlus; //! for Xi+ : Container to store any 3D histos with the different PID flavours
172 AliCFContainer *fCFContCascadePIDOmegaMinus; //! for Omega-: Container to store any 3D histos with the different PID flavours
173 AliCFContainer *fCFContCascadePIDOmegaPlus; //! for Omega+: Container to store any 3D histos with the different PID flavours
177 // PART 3 : Towards the optimisation of topological selections
178 AliCFContainer *fCFContCascadeCuts; //! Container meant to store all the relevant distributions corresponding to the cut variables
181 // PART 4 : Azimuthal correlation study
182 THnSparseF *fHnSpAngularCorrXiMinus; //! Delta Phi(Casc,any trck) Vs Delta Eta(Casc,any trck) Vs Casc Pt Vs Pt of the tracks Vs Eff Mass
183 THnSparseF *fHnSpAngularCorrXiPlus; //! Delta Phi(Casc,any trck) Vs Delta Eta(Casc,any trck) Vs Casc Pt Vs Pt of the tracks Vs Eff Mass
184 THnSparseF *fHnSpAngularCorrOmegaMinus; //! Delta Phi(Casc,any trck) Vs Delta Eta(Casc,any trck) Vs Casc Pt Vs Pt of the tracks Vs Eff Mass
185 THnSparseF *fHnSpAngularCorrOmegaPlus; //! Delta Phi(Casc,any trck) Vs Delta Eta(Casc,any trck) Vs Casc Pt Vs Pt of the tracks Vs Eff Mass
188 AliAnalysisTaskCheckCascade(const AliAnalysisTaskCheckCascade&); // not implemented
189 AliAnalysisTaskCheckCascade& operator=(const AliAnalysisTaskCheckCascade&); // not implemented
191 ClassDef(AliAnalysisTaskCheckCascade, 8);