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 //-------------------------------------------------------------------------
20 class AliAODRecoDecay;
21 class AliAODRecoDecayHF;
22 class AliAODRecoDecayHF2Prong;
23 class AliAODRecoDecayHF3Prong;
24 class AliAODRecoDecayHF4Prong;
25 class AliAODRecoCascadeHF;
26 class AliAnalysisFilter;
28 class AliRDHFCutsD0toKpi;
29 class AliRDHFCutsJpsitoee;
30 class AliRDHFCutsDplustoKpipi;
31 class AliRDHFCutsDstoKKpi;
32 class AliRDHFCutsLctopKpi;
33 class AliRDHFCutsLctoV0;
34 class AliRDHFCutsD0toKpipipi;
35 class AliRDHFCutsDStartoKpipi;
42 //-----------------------------------------------------------------------------
43 class AliAnalysisVertexingHF : public TNamed {
46 AliAnalysisVertexingHF();
47 AliAnalysisVertexingHF(const AliAnalysisVertexingHF& source);
48 AliAnalysisVertexingHF& operator=(const AliAnalysisVertexingHF& source);
49 virtual ~AliAnalysisVertexingHF();
51 void FindCandidates(AliVEvent *event,
52 TClonesArray *aodVerticesHFTClArr,
53 TClonesArray *aodD0toKpiTClArr,
54 TClonesArray *aodJPSItoEleTClArr,
55 TClonesArray *aodCharm3ProngTClArr,
56 TClonesArray *aodCharm4ProngTClArr,
57 TClonesArray *aodDstarTClArr,
58 TClonesArray *aodCascadesTClArr,
59 TClonesArray *aodLikeSign2ProngTClArr,
60 TClonesArray *aodLikeSign3ProngTClArr);
62 TList* FillListOfCuts();
63 void FixReferences(AliAODEvent *aod);
64 void PrintStatus() const;
65 void SetSecVtxWithKF() { fSecVtxWithKF=kTRUE; }
66 void SetD0toKpiOn() { fD0toKpi=kTRUE; }
67 void SetD0toKpiOff() { fD0toKpi=kFALSE; }
68 void SetJPSItoEleOn() { fJPSItoEle=kTRUE; }
69 void SetJPSItoEleOff() { fJPSItoEle=kFALSE; }
70 void Set3ProngOn() { f3Prong=kTRUE; }
71 void Set3ProngOff() { f3Prong=kFALSE; }
72 void Set4ProngOn() { f4Prong=kTRUE; }
73 void Set4ProngOff() { f4Prong=kFALSE; }
74 void SetDstarOn() { fDstar=kTRUE; }
75 void SetDstarOff() { fDstar=kFALSE; }
76 void SetCascadesOn() { fCascades=kTRUE; }
77 void SetCascadesOff() { fCascades=kFALSE; }
78 void SetLikeSignOn() { fLikeSign=kTRUE; }
79 void SetLikeSignOff() { fLikeSign=kFALSE; }
80 void SetMixEventOn() { fMixEvent=kTRUE; }
81 void SetMixEventOff() { fMixEvent=kFALSE; }
82 void SetInputAOD() { fInputAOD=kTRUE; }
83 Bool_t GetD0toKpi() const { return fD0toKpi; }
84 Bool_t GetJPSItoEle() const { return fJPSItoEle; }
85 Bool_t Get3Prong() const { return f3Prong; }
86 Bool_t Get4Prong() const { return f4Prong; }
87 Bool_t GetDstar() const { return fDstar; }
88 Bool_t GetCascades() const { return fCascades; }
89 Bool_t GetLikeSign() const { return fLikeSign; }
90 Bool_t GetMixEvent() const { return fMixEvent; }
91 Bool_t GetInputAOD() const { return fInputAOD; }
92 Bool_t GetRecoPrimVtxSkippingTrks() const {return fRecoPrimVtxSkippingTrks;}
93 Bool_t GetRmTrksFromPrimVtx() const {return fRmTrksFromPrimVtx;}
94 void SetFindVertexForDstar(Bool_t vtx=kTRUE) { fFindVertexForDstar=vtx; }
95 void SetFindVertexForCascades(Bool_t vtx=kTRUE) { fFindVertexForCascades=vtx; }
96 void SetRecoPrimVtxSkippingTrks()
97 { fRecoPrimVtxSkippingTrks=kTRUE; fRmTrksFromPrimVtx=kFALSE;}
98 void UnsetRecoPrimVtxSkippingTrks()
99 { fRecoPrimVtxSkippingTrks=kFALSE; fRmTrksFromPrimVtx=kFALSE;}
100 void SetRmTrksFromPrimVtx()
101 {fRmTrksFromPrimVtx=kTRUE; fRecoPrimVtxSkippingTrks=kFALSE; }
102 void SetTrackFilter(AliAnalysisFilter* trackF) { fTrackFilter = trackF; }
103 void SetTrackFilterSoftPi(AliAnalysisFilter* trackF) { fTrackFilterSoftPi = trackF; }
104 AliAnalysisFilter* GetTrackFilter() const { return fTrackFilter; }
105 AliAnalysisFilter* GetTrackFilterSoftPi() const { return fTrackFilterSoftPi; }
106 void SetCutsD0toKpi(AliRDHFCutsD0toKpi* cuts) { fCutsD0toKpi = cuts; }
107 AliRDHFCutsD0toKpi* GetCutsD0toKpi() const { return fCutsD0toKpi; }
108 void SetCutsJpsitoee(AliRDHFCutsJpsitoee* cuts) { fCutsJpsitoee = cuts; }
109 AliRDHFCutsJpsitoee* GetCutsJpsitoee() const { return fCutsJpsitoee; }
110 void SetCutsDplustoKpipi(AliRDHFCutsDplustoKpipi* cuts) { fCutsDplustoKpipi = cuts; }
111 AliRDHFCutsDplustoKpipi* GetCutsDplustoKpipi() const { return fCutsDplustoKpipi; }
112 void SetCutsDstoKKpi(AliRDHFCutsDstoKKpi* cuts) { fCutsDstoKKpi = cuts; }
113 AliRDHFCutsDstoKKpi* GetCutsDstoKKpi() const { return fCutsDstoKKpi; }
114 void SetCutsLctopKpi(AliRDHFCutsLctopKpi* cuts) { fCutsLctopKpi = cuts; }
115 AliRDHFCutsLctopKpi* GetCutsLctopKpi() const { return fCutsLctopKpi; }
116 void SetCutsLctoV0(AliRDHFCutsLctoV0* cuts) { fCutsLctoV0 = cuts; }
117 AliRDHFCutsLctoV0* GetCutsLctoV0() const { return fCutsLctoV0; }
118 void SetCutsD0toKpipipi(AliRDHFCutsD0toKpipipi* cuts) { fCutsD0toKpipipi = cuts; }
119 AliRDHFCutsD0toKpipipi* GetCutsD0toKpipipi() const { return fCutsD0toKpipipi; }
120 void SetCutsDStartoKpipi(AliRDHFCutsDStartoKpipi* cuts) { fCutsDStartoKpipi = cuts; }
121 AliRDHFCutsDStartoKpipi* GetCutsDStartoKpipi() const { return fCutsDStartoKpipi; }
122 void SetMassCutBeforeVertexing(Bool_t flag) { fMassCutBeforeVertexing=flag; }
127 enum { kBitDispl = 0, kBitSoftPi = 1 };
129 Bool_t fInputAOD; // input from AOD (kTRUE) or ESD (kFALSE)
130 Int_t fAODMapSize; // size of fAODMap
131 Int_t *fAODMap; //[fAODMapSize] map between index and ID for AOD tracks
133 Double_t fBzkG; // z componenent of field in kG
135 Bool_t fSecVtxWithKF; // if kTRUE use KF vertexer, else AliVertexerTracks
137 Bool_t fRecoPrimVtxSkippingTrks; // flag for primary vertex reco on the fly
138 // for each candidate, w/o its daughters
139 Bool_t fRmTrksFromPrimVtx; // flag for fast removal of daughters from
140 // the primary vertex
142 AliESDVertex *fV1; // primary vertex
144 // flag to enable candidates production
145 Bool_t fD0toKpi; // D0->Kpi
146 Bool_t fJPSItoEle; // Jpsi->ee
147 Bool_t f3Prong; // D+,Ds,Lc
148 Bool_t f4Prong; // D0->Kpipipi
149 Bool_t fDstar; // D*->D0pi
150 Bool_t fCascades; // cascades, Lc --> v0+track
151 Bool_t fLikeSign; // Like-sign pairs
152 Bool_t fMixEvent; // event mixing
155 AliAnalysisFilter *fTrackFilter; // Track Filter for displaced vertices
156 AliAnalysisFilter *fTrackFilterSoftPi; // Track Filter for D* soft pion
158 AliRDHFCutsD0toKpi *fCutsD0toKpi; // D0->Kpi cuts
159 AliRDHFCutsJpsitoee *fCutsJpsitoee; // J/psi->ee cuts
160 AliRDHFCutsDplustoKpipi *fCutsDplustoKpipi; // D+->Kpipi cuts
161 AliRDHFCutsDstoKKpi *fCutsDstoKKpi; // Ds->KKpi cuts
162 AliRDHFCutsLctopKpi *fCutsLctopKpi; // Lc->pKpi cuts
163 AliRDHFCutsLctoV0 *fCutsLctoV0; // Lc --> v0 + bachelor cuts
164 AliRDHFCutsD0toKpipipi *fCutsD0toKpipipi; // D0->Kpipipi cuts
165 AliRDHFCutsDStartoKpipi *fCutsDStartoKpipi; // Dstar->D0pi cuts
167 TList *fListOfCuts; // pointer to list of cuts for output file
168 Bool_t fFindVertexForDstar; // reconstruct a secondary vertex or assume it's from the primary vertex
169 Bool_t fFindVertexForCascades; // reconstruct a secondary vertex or assume it's from the primary vertex
170 Bool_t fMassCutBeforeVertexing; // to go faster in PbPb
171 // dummies for invariant mass calculation
172 AliAODRecoDecay *fMassCalc2; // for 2 prong
173 AliAODRecoDecay *fMassCalc3; // for 3 prong
174 AliAODRecoDecay *fMassCalc4; // for 4 prong
177 Int_t fnSeleTrksTotal;
180 void AddRefs(AliAODVertex *v,AliAODRecoDecayHF *rd,const AliVEvent *event,
181 const TObjArray *trkArray) const;
182 void AddDaughterRefs(AliAODVertex *v,const AliVEvent *event,
183 const TObjArray *trkArray) const;
184 AliAODRecoDecayHF2Prong* Make2Prong(TObjArray *twoTrackArray1,AliVEvent *event,
185 AliAODVertex *secVert,Double_t dcap1n1,
186 Bool_t &okD0,Bool_t &okJPSI,Bool_t &okD0fromDstar) const;
187 AliAODRecoDecayHF3Prong* Make3Prong(TObjArray *threeTrackArray,AliVEvent *event,
188 AliAODVertex *secVert,
190 const AliAODVertex *vertexp1n1,
191 const AliAODVertex *vertexp2n1,
192 Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2,
193 Bool_t &ok3Prong) const;
194 AliAODRecoDecayHF4Prong* Make4Prong(TObjArray *fourTrackArray,AliVEvent *event,
195 AliAODVertex *secVert,
196 const AliAODVertex *vertexp1n1,
197 const AliAODVertex *vertexp1n1p2,
198 Double_t dcap1n1,Double_t dcap1n2,
199 Double_t dcap2n1,Double_t dcap2n2,
200 Bool_t &ok4Prong) const;
201 AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
202 AliAODVertex *secVert,
203 AliAODRecoDecayHF2Prong *rd2Prong,
205 Bool_t &okDstar) const;
206 AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
207 AliAODVertex *secVert,
210 Bool_t &okCascades) const;
212 AliAODVertex* PrimaryVertex(const TObjArray *trkArray=0x0,AliVEvent *event=0x0) const;
213 AliAODVertex* ReconstructSecondaryVertex(TObjArray *trkArray,Double_t &dispersion,Bool_t useTRefArray=kTRUE) const;
214 Bool_t SelectInvMassAndPt(Int_t decay,Int_t nprongs,
215 Double_t *px,Double_t *py,Double_t *pz) const;
216 Bool_t SelectInvMassAndPt(TObjArray *trkArray) const;
217 void SelectTracksAndCopyVertex(const AliVEvent *event,Int_t trkEntries,
218 TObjArray &seleTrksArray,Int_t &nSeleTrks,
219 UChar_t *seleFlags,Int_t *evtNumber);
220 Bool_t SingleTrkCuts(AliESDtrack *trk,Bool_t &okDisplaced,Bool_t &okSoftPi) const;
222 void SetSelectionBitForPID(AliRDHFCuts *cuts,AliAODRecoDecayHF *rd,Int_t bit);
224 AliAODv0* TransformESDv0toAODv0(AliESDv0 *esdv0,
225 TObjArray *twoTrackArrayV0);
228 ClassDef(AliAnalysisVertexingHF,18); // Reconstruction of HF decay candidates