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c4cdf105 1#ifndef ALIANALYSISVERTEXINGHF_H
2#define ALIANALYSISVERTEXINGHF_H
6a213b59 3/* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6//-------------------------------------------------------------------------
7// Class AliAnalysisVertexingHF
8// Reconstruction of heavy-flavour decay candidates
9//
2ff20727 10// Origin: E.Bruna, G.E.Bruno, A.Dainese, F.Prino, R.Romita, X.M.Zhang
a25935a9 11// Contact: andrea.dainese@pd.infn.it
6a213b59 12//-------------------------------------------------------------------------
13
14#include <TNamed.h>
6a213b59 15
a9b75906 16class TList;
c4cdf105 17class AliESDVertex;
e0732246 18class AliAODRecoDecay;
c4cdf105 19class AliAODRecoDecayHF;
20class AliAODRecoDecayHF2Prong;
21class AliAODRecoDecayHF3Prong;
22class AliAODRecoDecayHF4Prong;
23class AliAODRecoCascadeHF;
24class AliAnalysisFilter;
939850df 25class AliRDHFCuts;
f3014dc3 26class AliRDHFCutsD0toKpi;
e3d40058 27class AliRDHFCutsJpsitoee;
28class AliRDHFCutsDplustoKpipi;
29class AliRDHFCutsDstoKKpi;
30class AliRDHFCutsLctopKpi;
a07ad8e0 31class AliRDHFCutsLctoV0;
e3d40058 32class AliRDHFCutsD0toKpipipi;
da6fefc3 33class AliRDHFCutsDStartoKpipi;
dcb444c9 34class AliESDtrack;
35class AliVEvent;
36class AliAODVertex;
a07ad8e0 37class AliESDv0;
38class AliAODv0;
dcb444c9 39
6a213b59 40//-----------------------------------------------------------------------------
41class AliAnalysisVertexingHF : public TNamed {
42 public:
43 //
44 AliAnalysisVertexingHF();
13977a79 45 AliAnalysisVertexingHF(const AliAnalysisVertexingHF& source);
46 AliAnalysisVertexingHF& operator=(const AliAnalysisVertexingHF& source);
6a213b59 47 virtual ~AliAnalysisVertexingHF();
48
dcb444c9 49 void FindCandidates(AliVEvent *event,
50 TClonesArray *aodVerticesHFTClArr,
51 TClonesArray *aodD0toKpiTClArr,
52 TClonesArray *aodJPSItoEleTClArr,
53 TClonesArray *aodCharm3ProngTClArr,
2ff20727 54 TClonesArray *aodCharm4ProngTClArr,
dc963de9 55 TClonesArray *aodDstarTClArr,
a07ad8e0 56 TClonesArray *aodCascadesTClArr,
423fb9ae 57 TClonesArray *aodLikeSign2ProngTClArr,
58 TClonesArray *aodLikeSign3ProngTClArr);
dcb444c9 59
a9b75906 60 TList* FillListOfCuts();
37fc73f1 61 void FixReferences(AliAODEvent *aod);
6a213b59 62 void PrintStatus() const;
b82f6d67 63 void SetSecVtxWithKF() { fSecVtxWithKF=kTRUE; }
6a213b59 64 void SetD0toKpiOn() { fD0toKpi=kTRUE; }
65 void SetD0toKpiOff() { fD0toKpi=kFALSE; }
66 void SetJPSItoEleOn() { fJPSItoEle=kTRUE; }
67 void SetJPSItoEleOff() { fJPSItoEle=kFALSE; }
68 void Set3ProngOn() { f3Prong=kTRUE; }
69 void Set3ProngOff() { f3Prong=kFALSE; }
70 void Set4ProngOn() { f4Prong=kTRUE; }
71 void Set4ProngOff() { f4Prong=kFALSE; }
2ff20727 72 void SetDstarOn() { fDstar=kTRUE; }
73 void SetDstarOff() { fDstar=kFALSE; }
a07ad8e0 74 void SetCascadesOn() { fCascades=kTRUE; }
75 void SetCascadesOff() { fCascades=kFALSE; }
dc963de9 76 void SetLikeSignOn() { fLikeSign=kTRUE; }
77 void SetLikeSignOff() { fLikeSign=kFALSE; }
a25935a9 78 void SetMixEventOn() { fMixEvent=kTRUE; }
79 void SetMixEventOff() { fMixEvent=kFALSE; }
80 void SetInputAOD() { fInputAOD=kTRUE; }
c4cdf105 81 Bool_t GetD0toKpi() const { return fD0toKpi; }
82 Bool_t GetJPSItoEle() const { return fJPSItoEle; }
83 Bool_t Get3Prong() const { return f3Prong; }
84 Bool_t Get4Prong() const { return f4Prong; }
85 Bool_t GetDstar() const { return fDstar; }
a07ad8e0 86 Bool_t GetCascades() const { return fCascades; }
c4cdf105 87 Bool_t GetLikeSign() const { return fLikeSign; }
88 Bool_t GetMixEvent() const { return fMixEvent; }
89 Bool_t GetInputAOD() const { return fInputAOD; }
90 Bool_t GetRecoPrimVtxSkippingTrks() const {return fRecoPrimVtxSkippingTrks;}
91 Bool_t GetRmTrksFromPrimVtx() const {return fRmTrksFromPrimVtx;}
eee95e18 92 void SetFindVertexForDstar(Bool_t vtx=kTRUE) { fFindVertexForDstar=vtx; }
a07ad8e0 93 void SetFindVertexForCascades(Bool_t vtx=kTRUE) { fFindVertexForCascades=vtx; }
6a213b59 94 void SetRecoPrimVtxSkippingTrks()
95 { fRecoPrimVtxSkippingTrks=kTRUE; fRmTrksFromPrimVtx=kFALSE;}
a25935a9 96 void UnsetRecoPrimVtxSkippingTrks()
97 { fRecoPrimVtxSkippingTrks=kFALSE; fRmTrksFromPrimVtx=kFALSE;}
6a213b59 98 void SetRmTrksFromPrimVtx()
99 {fRmTrksFromPrimVtx=kTRUE; fRecoPrimVtxSkippingTrks=kFALSE; }
f8fa4595 100 void SetTrackFilter(AliAnalysisFilter* trackF) { fTrackFilter = trackF; }
2ff20727 101 void SetTrackFilterSoftPi(AliAnalysisFilter* trackF) { fTrackFilterSoftPi = trackF; }
dc963de9 102 AliAnalysisFilter* GetTrackFilter() const { return fTrackFilter; }
103 AliAnalysisFilter* GetTrackFilterSoftPi() const { return fTrackFilterSoftPi; }
f3014dc3 104 void SetCutsD0toKpi(AliRDHFCutsD0toKpi* cuts) { fCutsD0toKpi = cuts; }
105 AliRDHFCutsD0toKpi* GetCutsD0toKpi() const { return fCutsD0toKpi; }
e3d40058 106 void SetCutsJpsitoee(AliRDHFCutsJpsitoee* cuts) { fCutsJpsitoee = cuts; }
107 AliRDHFCutsJpsitoee* GetCutsJpsitoee() const { return fCutsJpsitoee; }
108 void SetCutsDplustoKpipi(AliRDHFCutsDplustoKpipi* cuts) { fCutsDplustoKpipi = cuts; }
109 AliRDHFCutsDplustoKpipi* GetCutsDplustoKpipi() const { return fCutsDplustoKpipi; }
110 void SetCutsDstoKKpi(AliRDHFCutsDstoKKpi* cuts) { fCutsDstoKKpi = cuts; }
111 AliRDHFCutsDstoKKpi* GetCutsDstoKKpi() const { return fCutsDstoKKpi; }
112 void SetCutsLctopKpi(AliRDHFCutsLctopKpi* cuts) { fCutsLctopKpi = cuts; }
113 AliRDHFCutsLctopKpi* GetCutsLctopKpi() const { return fCutsLctopKpi; }
a07ad8e0 114 void SetCutsLctoV0(AliRDHFCutsLctoV0* cuts) { fCutsLctoV0 = cuts; }
115 AliRDHFCutsLctoV0* GetCutsLctoV0() const { return fCutsLctoV0; }
e3d40058 116 void SetCutsD0toKpipipi(AliRDHFCutsD0toKpipipi* cuts) { fCutsD0toKpipipi = cuts; }
117 AliRDHFCutsD0toKpipipi* GetCutsD0toKpipipi() const { return fCutsD0toKpipipi; }
da6fefc3 118 void SetCutsDStartoKpipi(AliRDHFCutsDStartoKpipi* cuts) { fCutsDStartoKpipi = cuts; }
119 AliRDHFCutsDStartoKpipi* GetCutsDStartoKpipi() const { return fCutsDStartoKpipi; }
e0732246 120 void SetMassCutBeforeVertexing(Bool_t flag) { fMassCutBeforeVertexing=flag; }
6ea608bf 121
6a213b59 122 //
123 private:
124 //
2ff20727 125 enum { kBitDispl = 0, kBitSoftPi = 1 };
126
dcb444c9 127 Bool_t fInputAOD; // input from AOD (kTRUE) or ESD (kFALSE)
c8ab4e4f 128 Int_t fAODMapSize; // size of fAODMap
129 Int_t *fAODMap; //[fAODMapSize] map between index and ID for AOD tracks
dcb444c9 130
b82f6d67 131 Double_t fBzkG; // z componenent of field in kG
132
133 Bool_t fSecVtxWithKF; // if kTRUE use KF vertexer, else AliVertexerTracks
134
6a213b59 135 Bool_t fRecoPrimVtxSkippingTrks; // flag for primary vertex reco on the fly
136 // for each candidate, w/o its daughters
137 Bool_t fRmTrksFromPrimVtx; // flag for fast removal of daughters from
138 // the primary vertex
139
140 AliESDVertex *fV1; // primary vertex
141
6a213b59 142 // flag to enable candidates production
2ff20727 143 Bool_t fD0toKpi; // D0->Kpi
144 Bool_t fJPSItoEle; // Jpsi->ee
145 Bool_t f3Prong; // D+,Ds,Lc
146 Bool_t f4Prong; // D0->Kpipipi
147 Bool_t fDstar; // D*->D0pi
a07ad8e0 148 Bool_t fCascades; // cascades, Lc --> v0+track
dc963de9 149 Bool_t fLikeSign; // Like-sign pairs
a25935a9 150 Bool_t fMixEvent; // event mixing
6a213b59 151
152 // single-track cuts
2ff20727 153 AliAnalysisFilter *fTrackFilter; // Track Filter for displaced vertices
154 AliAnalysisFilter *fTrackFilterSoftPi; // Track Filter for D* soft pion
6a213b59 155 // candidates cuts
f3014dc3 156 AliRDHFCutsD0toKpi *fCutsD0toKpi; // D0->Kpi cuts
e3d40058 157 AliRDHFCutsJpsitoee *fCutsJpsitoee; // J/psi->ee cuts
158 AliRDHFCutsDplustoKpipi *fCutsDplustoKpipi; // D+->Kpipi cuts
159 AliRDHFCutsDstoKKpi *fCutsDstoKKpi; // Ds->KKpi cuts
160 AliRDHFCutsLctopKpi *fCutsLctopKpi; // Lc->pKpi cuts
a07ad8e0 161 AliRDHFCutsLctoV0 *fCutsLctoV0; // Lc --> v0 + bachelor cuts
e3d40058 162 AliRDHFCutsD0toKpipipi *fCutsD0toKpipipi; // D0->Kpipipi cuts
da6fefc3 163 AliRDHFCutsDStartoKpipi *fCutsDStartoKpipi; // Dstar->D0pi cuts
f3014dc3 164
a9b75906 165 TList *fListOfCuts; // pointer to list of cuts for output file
eee95e18 166 Bool_t fFindVertexForDstar; // reconstruct a secondary vertex or assume it's from the primary vertex
a07ad8e0 167 Bool_t fFindVertexForCascades; // reconstruct a secondary vertex or assume it's from the primary vertex
e0732246 168 Bool_t fMassCutBeforeVertexing; // to go faster in PbPb
169 // dummies for invariant mass calculation
170 AliAODRecoDecay *fMassCalc2; // for 2 prong
171 AliAODRecoDecay *fMassCalc3; // for 3 prong
172 AliAODRecoDecay *fMassCalc4; // for 4 prong
6a213b59 173 //
a9b75906 174 void AddRefs(AliAODVertex *v,AliAODRecoDecayHF *rd,const AliVEvent *event,
175 const TObjArray *trkArray) const;
c4cdf105 176 void AddDaughterRefs(AliAODVertex *v,const AliVEvent *event,
177 const TObjArray *trkArray) const;
dcb444c9 178 AliAODRecoDecayHF2Prong* Make2Prong(TObjArray *twoTrackArray1,AliVEvent *event,
179 AliAODVertex *secVert,Double_t dcap1n1,
2ff20727 180 Bool_t &okD0,Bool_t &okJPSI,Bool_t &okD0fromDstar) const;
dcb444c9 181 AliAODRecoDecayHF3Prong* Make3Prong(TObjArray *threeTrackArray,AliVEvent *event,
182 AliAODVertex *secVert,
183 Double_t dispersion,
c4cdf105 184 const AliAODVertex *vertexp1n1,
185 const AliAODVertex *vertexp2n1,
dcb444c9 186 Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2,
187 Bool_t &ok3Prong) const;
188 AliAODRecoDecayHF4Prong* Make4Prong(TObjArray *fourTrackArray,AliVEvent *event,
721c0b8f 189 AliAODVertex *secVert,
c4cdf105 190 const AliAODVertex *vertexp1n1,
191 const AliAODVertex *vertexp1n1p2,
721c0b8f 192 Double_t dcap1n1,Double_t dcap1n2,
193 Double_t dcap2n1,Double_t dcap2n2,
194 Bool_t &ok4Prong) const;
2ff20727 195 AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
196 AliAODVertex *secVert,
197 AliAODRecoDecayHF2Prong *rd2Prong,
198 Double_t dca,
199 Bool_t &okDstar) const;
a07ad8e0 200 AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
201 AliAODVertex *secVert,
202 AliAODv0 *v0,
203 Double_t dca,
204 Bool_t &okCascades) const;
dcb444c9 205
c4cdf105 206 AliAODVertex* PrimaryVertex(const TObjArray *trkArray=0x0,AliVEvent *event=0x0) const;
dcfa35b3 207 AliAODVertex* ReconstructSecondaryVertex(TObjArray *trkArray,Double_t &dispersion,Bool_t useTRefArray=kTRUE) const;
6a213b59 208 Bool_t SelectInvMass(Int_t decay,Int_t nprongs,
209 Double_t *px,Double_t *py,Double_t *pz) const;
e0732246 210 Bool_t SelectInvMass(TObjArray *trkArray) const;
e11ae259 211 void SelectTracksAndCopyVertex(const AliVEvent *event,Int_t trkEntries,
2ff20727 212 TObjArray &seleTrksArray,Int_t &nSeleTrks,
a25935a9 213 UChar_t *seleFlags,Int_t *evtNumber);
2ff20727 214 Bool_t SingleTrkCuts(AliESDtrack *trk,Bool_t &okDisplaced,Bool_t &okSoftPi) const;
a07ad8e0 215
939850df 216 void SetSelectionBitForPID(AliRDHFCuts *cuts,AliAODRecoDecayHF *rd);
217
a07ad8e0 218 AliAODv0* TransformESDv0toAODv0(AliESDv0 *esdv0,
219 TObjArray *twoTrackArrayV0);
220
6a213b59 221 //
da6fefc3 222 ClassDef(AliAnalysisVertexingHF,18); // Reconstruction of HF decay candidates
6a213b59 223};
224
225
226#endif
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