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