1 #ifndef ALIANALYSISVERTEXINGHF_H
2 #define ALIANALYSISVERTEXINGHF_H
3 /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //-------------------------------------------------------------------------
9 // Class AliAnalysisVertexingHF
10 // Reconstruction of heavy-flavour decay candidates
12 // Origin: E.Bruna, G.E.Bruno, A.Dainese, F.Prino, R.Romita, X.M.Zhang
13 // Contact: andrea.dainese@pd.infn.it
14 //-------------------------------------------------------------------------
19 #include "AliAnalysisFilter.h"
20 #include "AliESDtrackCuts.h"
23 class AliAODRecoDecay;
24 class AliAODRecoDecayHF;
25 class AliAODRecoDecayHF2Prong;
26 class AliAODRecoDecayHF3Prong;
27 class AliAODRecoDecayHF4Prong;
28 class AliAODRecoCascadeHF;
29 class AliAnalysisFilter;
31 class AliRDHFCutsD0toKpi;
32 class AliRDHFCutsJpsitoee;
33 class AliRDHFCutsDplustoKpipi;
34 class AliRDHFCutsDstoKKpi;
35 class AliRDHFCutsLctopKpi;
36 class AliRDHFCutsLctoV0;
37 class AliRDHFCutsD0toKpipipi;
38 class AliRDHFCutsDStartoKpipi;
42 class AliVertexerTracks;
46 //-----------------------------------------------------------------------------
47 class AliAnalysisVertexingHF : public TNamed {
50 AliAnalysisVertexingHF();
51 AliAnalysisVertexingHF(const AliAnalysisVertexingHF& source);
52 AliAnalysisVertexingHF& operator=(const AliAnalysisVertexingHF& source);
53 virtual ~AliAnalysisVertexingHF();
55 void FindCandidates(AliVEvent *event,
56 TClonesArray *aodVerticesHFTClArr,
57 TClonesArray *aodD0toKpiTClArr,
58 TClonesArray *aodJPSItoEleTClArr,
59 TClonesArray *aodCharm3ProngTClArr,
60 TClonesArray *aodCharm4ProngTClArr,
61 TClonesArray *aodDstarTClArr,
62 TClonesArray *aodCascadesTClArr,
63 TClonesArray *aodLikeSign2ProngTClArr,
64 TClonesArray *aodLikeSign3ProngTClArr);
66 TList* FillListOfCuts();
67 void FixReferences(AliAODEvent *aod);
68 void PrintStatus() const;
69 void SetSecVtxWithKF() { fSecVtxWithKF=kTRUE; }
70 void SetD0toKpiOn() { fD0toKpi=kTRUE; }
71 void SetD0toKpiOff() { fD0toKpi=kFALSE; }
72 void SetJPSItoEleOn() { fJPSItoEle=kTRUE; }
73 void SetJPSItoEleOff() { fJPSItoEle=kFALSE; }
74 void Set3ProngOn() { f3Prong=kTRUE; }
75 void Set3ProngOff() { f3Prong=kFALSE; }
76 void Set4ProngOn() { f4Prong=kTRUE; }
77 void Set4ProngOff() { f4Prong=kFALSE; }
78 void SetDstarOn() { fDstar=kTRUE; }
79 void SetDstarOff() { fDstar=kFALSE; }
80 void SetCascadesOn() { fCascades=kTRUE; }
81 void SetCascadesOff() { fCascades=kFALSE; }
82 void SetLikeSignOn() { fLikeSign=kTRUE; }
83 void SetLikeSignOff() {fLikeSign=kFALSE; fLikeSign3prong=kFALSE;}
84 void SetLikeSign3prongOn() { fLikeSign=kTRUE; fLikeSign3prong=kTRUE; }
85 void SetLikeSign3prongOff() { fLikeSign3prong=kFALSE; }
86 void SetMixEventOn() { fMixEvent=kTRUE; }
87 void SetMixEventOff() { fMixEvent=kFALSE; }
88 void SetInputAOD() { fInputAOD=kTRUE; }
89 Bool_t GetD0toKpi() const { return fD0toKpi; }
90 Bool_t GetJPSItoEle() const { return fJPSItoEle; }
91 Bool_t Get3Prong() const { return f3Prong; }
92 Bool_t Get4Prong() const { return f4Prong; }
93 Bool_t GetDstar() const { return fDstar; }
94 Bool_t GetCascades() const { return fCascades; }
95 Bool_t GetLikeSign() const { return fLikeSign; }
96 Bool_t GetLikeSign3prong() const { return fLikeSign3prong; }
97 Bool_t GetMixEvent() const { return fMixEvent; }
98 Bool_t GetInputAOD() const { return fInputAOD; }
99 Bool_t GetRecoPrimVtxSkippingTrks() const {return fRecoPrimVtxSkippingTrks;}
100 Bool_t GetRmTrksFromPrimVtx() const {return fRmTrksFromPrimVtx;}
101 void SetFindVertexForDstar(Bool_t vtx=kTRUE) { fFindVertexForDstar=vtx; }
102 void SetFindVertexForCascades(Bool_t vtx=kTRUE) { fFindVertexForCascades=vtx; }
103 void SetRecoPrimVtxSkippingTrks()
104 { fRecoPrimVtxSkippingTrks=kTRUE; fRmTrksFromPrimVtx=kFALSE;}
105 void UnsetRecoPrimVtxSkippingTrks()
106 { fRecoPrimVtxSkippingTrks=kFALSE; fRmTrksFromPrimVtx=kFALSE;}
107 void SetRmTrksFromPrimVtx()
108 {fRmTrksFromPrimVtx=kTRUE; fRecoPrimVtxSkippingTrks=kFALSE; }
109 void SetTrackFilter(AliAnalysisFilter* trackF) {
110 // switch off the TOF selection that cannot be applied with AODTracks
111 TList *l = (TList*)trackF->GetCuts();
112 AliESDtrackCuts *tcuts = (AliESDtrackCuts*)l->FindObject("AliESDtrackCuts");
113 if(tcuts->GetFlagCutTOFdistance()) tcuts->SetFlagCutTOFdistance(kFALSE);
114 fTrackFilter = trackF;
116 void SetTrackFilter2prongPbCentral(Float_t maxPercentile, AliAnalysisFilter* trackF) {
117 // switch off the TOF selection that cannot be applied with AODTracks
118 TList *l = (TList*)trackF->GetCuts();
119 AliESDtrackCuts *tcuts = (AliESDtrackCuts*)l->FindObject("AliESDtrackCuts");
120 if(tcuts->GetFlagCutTOFdistance()) tcuts->SetFlagCutTOFdistance(kFALSE);
121 fTrackFilter2prongCentral = trackF;
122 fMaxCentPercentileForTightCuts=maxPercentile;
124 void SetTrackFilter3prongPbCentral(Float_t maxPercentile, AliAnalysisFilter* trackF) {
125 // switch off the TOF selection that cannot be applied with AODTracks
126 TList *l = (TList*)trackF->GetCuts();
127 AliESDtrackCuts *tcuts = (AliESDtrackCuts*)l->FindObject("AliESDtrackCuts");
128 if(tcuts->GetFlagCutTOFdistance()) tcuts->SetFlagCutTOFdistance(kFALSE);
129 fTrackFilter3prongCentral = trackF;
130 fMaxCentPercentileForTightCuts=maxPercentile;
132 void SetTrackFilterSoftPi(AliAnalysisFilter* trackF) {
133 // switch off the TOF selection that cannot be applied with AODTracks
134 TList *l = (TList*)trackF->GetCuts();
135 AliESDtrackCuts *tcuts = (AliESDtrackCuts*)l->FindObject("AliESDtrackCuts");
136 if(tcuts->GetFlagCutTOFdistance()) tcuts->SetFlagCutTOFdistance(kFALSE);
137 fTrackFilterSoftPi = trackF;
139 AliAnalysisFilter* GetTrackFilter() const { return fTrackFilter; }
140 AliAnalysisFilter* GetTrackFilterSoftPi() const { return fTrackFilterSoftPi; }
141 void SetCutsD0toKpi(AliRDHFCutsD0toKpi* cuts) { fCutsD0toKpi = cuts; }
142 AliRDHFCutsD0toKpi* GetCutsD0toKpi() const { return fCutsD0toKpi; }
143 void SetCutsJpsitoee(AliRDHFCutsJpsitoee* cuts) { fCutsJpsitoee = cuts; }
144 AliRDHFCutsJpsitoee* GetCutsJpsitoee() const { return fCutsJpsitoee; }
145 void SetCutsDplustoKpipi(AliRDHFCutsDplustoKpipi* cuts) { fCutsDplustoKpipi = cuts; }
146 AliRDHFCutsDplustoKpipi* GetCutsDplustoKpipi() const { return fCutsDplustoKpipi; }
147 void SetCutsDstoKKpi(AliRDHFCutsDstoKKpi* cuts) { fCutsDstoKKpi = cuts; }
148 AliRDHFCutsDstoKKpi* GetCutsDstoKKpi() const { return fCutsDstoKKpi; }
149 void SetCutsLctopKpi(AliRDHFCutsLctopKpi* cuts) { fCutsLctopKpi = cuts; }
150 AliRDHFCutsLctopKpi* GetCutsLctopKpi() const { return fCutsLctopKpi; }
151 void SetCutsLctoV0(AliRDHFCutsLctoV0* cuts) { fCutsLctoV0 = cuts; }
152 AliRDHFCutsLctoV0* GetCutsLctoV0() const { return fCutsLctoV0; }
153 void SetCutsD0toKpipipi(AliRDHFCutsD0toKpipipi* cuts) { fCutsD0toKpipipi = cuts; }
154 AliRDHFCutsD0toKpipipi* GetCutsD0toKpipipi() const { return fCutsD0toKpipipi; }
155 void SetCutsDStartoKpipi(AliRDHFCutsDStartoKpipi* cuts) { fCutsDStartoKpipi = cuts; }
156 AliRDHFCutsDStartoKpipi* GetCutsDStartoKpipi() const { return fCutsDStartoKpipi; }
157 void SetMassCutBeforeVertexing(Bool_t flag) { fMassCutBeforeVertexing=flag; }
164 enum { kBitDispl = 0, kBitSoftPi = 1, kBit3Prong = 2 };
166 Bool_t fInputAOD; // input from AOD (kTRUE) or ESD (kFALSE)
167 Int_t fAODMapSize; // size of fAODMap
168 Int_t *fAODMap; //[fAODMapSize] map between index and ID for AOD tracks
170 AliVertexerTracks* fVertexerTracks; // vertexer, to compute secondary vertices
171 Double_t fBzkG; // z componenent of field in kG
173 Bool_t fSecVtxWithKF; // if kTRUE use KF vertexer, else AliVertexerTracks
175 Bool_t fRecoPrimVtxSkippingTrks; // flag for primary vertex reco on the fly
176 // for each candidate, w/o its daughters
177 Bool_t fRmTrksFromPrimVtx; // flag for fast removal of daughters from
178 // the primary vertex
180 AliESDVertex *fV1; // primary vertex
182 // flag to enable candidates production
183 Bool_t fD0toKpi; // D0->Kpi
184 Bool_t fJPSItoEle; // Jpsi->ee
185 Bool_t f3Prong; // D+,Ds,Lc
186 Bool_t f4Prong; // D0->Kpipipi
187 Bool_t fDstar; // D*->D0pi
188 Bool_t fCascades; // cascades, Lc --> v0+track
189 Bool_t fLikeSign; // Like-sign pairs
190 Bool_t fLikeSign3prong; // Like-sign triplets
191 Bool_t fMixEvent; // event mixing
193 Float_t fMaxCentPercentileForTightCuts; //max. centrality percentile for using tight cuts
196 AliAnalysisFilter *fTrackFilter; // Track Filter for displaced vertices
197 AliAnalysisFilter *fTrackFilter2prongCentral; // Track Filter for displaced vertices in PbPb central events (tighter cuts) for 2 prong (D0->Kpi)
198 AliAnalysisFilter *fTrackFilter3prongCentral; // Track Filter for displaced vertices in PbPb central events (tighter cuts) for 3 prong (D+, Ds, Lc)
199 AliAnalysisFilter *fTrackFilterSoftPi; // Track Filter for D* soft pion
201 AliRDHFCutsD0toKpi *fCutsD0toKpi; // D0->Kpi cuts
202 AliRDHFCutsJpsitoee *fCutsJpsitoee; // J/psi->ee cuts
203 AliRDHFCutsDplustoKpipi *fCutsDplustoKpipi; // D+->Kpipi cuts
204 AliRDHFCutsDstoKKpi *fCutsDstoKKpi; // Ds->KKpi cuts
205 AliRDHFCutsLctopKpi *fCutsLctopKpi; // Lc->pKpi cuts
206 AliRDHFCutsLctoV0 *fCutsLctoV0; // Lc --> v0 + bachelor cuts
207 AliRDHFCutsD0toKpipipi *fCutsD0toKpipipi; // D0->Kpipipi cuts
208 AliRDHFCutsDStartoKpipi *fCutsDStartoKpipi; // Dstar->D0pi cuts
210 TList *fListOfCuts; // pointer to list of cuts for output file
211 Bool_t fFindVertexForDstar; // reconstruct a secondary vertex or assume it's from the primary vertex
212 Bool_t fFindVertexForCascades; // reconstruct a secondary vertex or assume it's from the primary vertex
213 Bool_t fMassCutBeforeVertexing; // to go faster in PbPb
214 // dummies for invariant mass calculation
215 AliAODRecoDecay *fMassCalc2; // for 2 prong
216 AliAODRecoDecay *fMassCalc3; // for 3 prong
217 AliAODRecoDecay *fMassCalc4; // for 4 prong
218 Bool_t fOKInvMassD0; // pair fullfilling D0 inv mass selection
219 Bool_t fOKInvMassJpsi; // pair fullfilling Jpsi inv mass selection
220 Bool_t fOKInvMassDplus; // triplet fullfilling D+ inv mass selection
221 Bool_t fOKInvMassDs; // triplet fullfilling Ds inv mass selection
222 Bool_t fOKInvMassLc; // triplet fullfilling Lc inv mass selection
223 Bool_t fOKInvMassDstar; // combination fullfilling D* inv mass selection
224 Bool_t fOKInvMassD0to4p; // 4tracks fullfilling D0 inv mass selection
225 Bool_t fOKInvMassLctoV0; // triplet fullfilling Lc inv mass selection
228 Int_t fnSeleTrksTotal;
233 Double_t fMassLambdaC;
239 void AddRefs(AliAODVertex *v,AliAODRecoDecayHF *rd,const AliVEvent *event,
240 const TObjArray *trkArray) const;
241 void AddDaughterRefs(AliAODVertex *v,const AliVEvent *event,
242 const TObjArray *trkArray) const;
243 AliAODRecoDecayHF2Prong* Make2Prong(TObjArray *twoTrackArray1,AliVEvent *event,
244 AliAODVertex *secVert,Double_t dcap1n1,
245 Bool_t &okD0,Bool_t &okJPSI,Bool_t &okD0fromDstar);
246 AliAODRecoDecayHF3Prong* Make3Prong(TObjArray *threeTrackArray,AliVEvent *event,
247 AliAODVertex *secVert,
249 const AliAODVertex *vertexp1n1,
250 const AliAODVertex *vertexp2n1,
251 Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2,
253 AliAODRecoDecayHF4Prong* Make4Prong(TObjArray *fourTrackArray,AliVEvent *event,
254 AliAODVertex *secVert,
255 const AliAODVertex *vertexp1n1,
256 const AliAODVertex *vertexp1n1p2,
257 Double_t dcap1n1,Double_t dcap1n2,
258 Double_t dcap2n1,Double_t dcap2n2,
260 AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
261 AliAODVertex *secVert,
262 AliAODRecoDecayHF2Prong *rd2Prong,
265 AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
266 AliAODVertex *secVert,
271 AliAODVertex* PrimaryVertex(const TObjArray *trkArray=0x0,AliVEvent *event=0x0) const;
272 AliAODVertex* ReconstructSecondaryVertex(TObjArray *trkArray,Double_t &dispersion,Bool_t useTRefArray=kTRUE) const;
274 Bool_t SelectInvMassAndPt3prong(Double_t *px,Double_t *py,Double_t *pz);
275 Bool_t SelectInvMassAndPt4prong(Double_t *px,Double_t *py,Double_t *pz);
276 Bool_t SelectInvMassAndPtD0Kpi(Double_t *px,Double_t *py,Double_t *pz);
277 Bool_t SelectInvMassAndPtJpsiee(Double_t *px,Double_t *py,Double_t *pz);
278 Bool_t SelectInvMassAndPtDstarD0pi(Double_t *px,Double_t *py,Double_t *pz);
279 Bool_t SelectInvMassAndPtCascade(Double_t *px,Double_t *py,Double_t *pz);
281 Bool_t SelectInvMassAndPt3prong(TObjArray *trkArray);
282 Bool_t SelectInvMassAndPt4prong(TObjArray *trkArray);
283 Bool_t SelectInvMassAndPtDstarD0pi(TObjArray *trkArray);
285 void SelectTracksAndCopyVertex(const AliVEvent *event,Int_t trkEntries,
286 TObjArray &seleTrksArray,
287 TObjArray &tracksAtVertex,
289 UChar_t *seleFlags,Int_t *evtNumber);
290 void SetParametersAtVertex(AliESDtrack* esdt, const AliExternalTrackParam* extpar) const;
292 Bool_t SingleTrkCuts(AliESDtrack *trk,Float_t centralityperc, Bool_t &okDisplaced,Bool_t &okSoftPi, Bool_t &ok3prong) const;
294 void SetSelectionBitForPID(AliRDHFCuts *cuts,AliAODRecoDecayHF *rd,Int_t bit);
296 AliAODv0* TransformESDv0toAODv0(AliESDv0 *esdv0,
297 TObjArray *twoTrackArrayV0);
300 ClassDef(AliAnalysisVertexingHF,20); // Reconstruction of HF decay candidates