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[u/mrichter/AliRoot.git] / PWG3 / vertexingHF / AliAnalysisVertexingHF.h
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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;
f3014dc3 25class AliRDHFCutsD0toKpi;
e3d40058 26class AliRDHFCutsJpsitoee;
27class AliRDHFCutsDplustoKpipi;
28class AliRDHFCutsDstoKKpi;
29class AliRDHFCutsLctopKpi;
a07ad8e0 30class AliRDHFCutsLctoV0;
e3d40058 31class AliRDHFCutsD0toKpipipi;
da6fefc3 32class AliRDHFCutsDStartoKpipi;
dcb444c9 33class AliESDtrack;
34class AliVEvent;
35class AliAODVertex;
a07ad8e0 36class AliESDv0;
37class AliAODv0;
dcb444c9 38
6a213b59 39//-----------------------------------------------------------------------------
40class AliAnalysisVertexingHF : public TNamed {
41 public:
42 //
43 AliAnalysisVertexingHF();
13977a79 44 AliAnalysisVertexingHF(const AliAnalysisVertexingHF& source);
45 AliAnalysisVertexingHF& operator=(const AliAnalysisVertexingHF& source);
6a213b59 46 virtual ~AliAnalysisVertexingHF();
47
dcb444c9 48 void FindCandidates(AliVEvent *event,
49 TClonesArray *aodVerticesHFTClArr,
50 TClonesArray *aodD0toKpiTClArr,
51 TClonesArray *aodJPSItoEleTClArr,
52 TClonesArray *aodCharm3ProngTClArr,
2ff20727 53 TClonesArray *aodCharm4ProngTClArr,
dc963de9 54 TClonesArray *aodDstarTClArr,
a07ad8e0 55 TClonesArray *aodCascadesTClArr,
423fb9ae 56 TClonesArray *aodLikeSign2ProngTClArr,
57 TClonesArray *aodLikeSign3ProngTClArr);
dcb444c9 58
a9b75906 59 TList* FillListOfCuts();
37fc73f1 60 void FixReferences(AliAODEvent *aod);
6a213b59 61 void PrintStatus() const;
b82f6d67 62 void SetSecVtxWithKF() { fSecVtxWithKF=kTRUE; }
6a213b59 63 void SetD0toKpiOn() { fD0toKpi=kTRUE; }
64 void SetD0toKpiOff() { fD0toKpi=kFALSE; }
65 void SetJPSItoEleOn() { fJPSItoEle=kTRUE; }
66 void SetJPSItoEleOff() { fJPSItoEle=kFALSE; }
67 void Set3ProngOn() { f3Prong=kTRUE; }
68 void Set3ProngOff() { f3Prong=kFALSE; }
69 void Set4ProngOn() { f4Prong=kTRUE; }
70 void Set4ProngOff() { f4Prong=kFALSE; }
2ff20727 71 void SetDstarOn() { fDstar=kTRUE; }
72 void SetDstarOff() { fDstar=kFALSE; }
a07ad8e0 73 void SetCascadesOn() { fCascades=kTRUE; }
74 void SetCascadesOff() { fCascades=kFALSE; }
dc963de9 75 void SetLikeSignOn() { fLikeSign=kTRUE; }
76 void SetLikeSignOff() { fLikeSign=kFALSE; }
a25935a9 77 void SetMixEventOn() { fMixEvent=kTRUE; }
78 void SetMixEventOff() { fMixEvent=kFALSE; }
79 void SetInputAOD() { fInputAOD=kTRUE; }
c4cdf105 80 Bool_t GetD0toKpi() const { return fD0toKpi; }
81 Bool_t GetJPSItoEle() const { return fJPSItoEle; }
82 Bool_t Get3Prong() const { return f3Prong; }
83 Bool_t Get4Prong() const { return f4Prong; }
84 Bool_t GetDstar() const { return fDstar; }
a07ad8e0 85 Bool_t GetCascades() const { return fCascades; }
c4cdf105 86 Bool_t GetLikeSign() const { return fLikeSign; }
87 Bool_t GetMixEvent() const { return fMixEvent; }
88 Bool_t GetInputAOD() const { return fInputAOD; }
89 Bool_t GetRecoPrimVtxSkippingTrks() const {return fRecoPrimVtxSkippingTrks;}
90 Bool_t GetRmTrksFromPrimVtx() const {return fRmTrksFromPrimVtx;}
eee95e18 91 void SetFindVertexForDstar(Bool_t vtx=kTRUE) { fFindVertexForDstar=vtx; }
a07ad8e0 92 void SetFindVertexForCascades(Bool_t vtx=kTRUE) { fFindVertexForCascades=vtx; }
6a213b59 93 void SetRecoPrimVtxSkippingTrks()
94 { fRecoPrimVtxSkippingTrks=kTRUE; fRmTrksFromPrimVtx=kFALSE;}
a25935a9 95 void UnsetRecoPrimVtxSkippingTrks()
96 { fRecoPrimVtxSkippingTrks=kFALSE; fRmTrksFromPrimVtx=kFALSE;}
6a213b59 97 void SetRmTrksFromPrimVtx()
98 {fRmTrksFromPrimVtx=kTRUE; fRecoPrimVtxSkippingTrks=kFALSE; }
f8fa4595 99 void SetTrackFilter(AliAnalysisFilter* trackF) { fTrackFilter = trackF; }
2ff20727 100 void SetTrackFilterSoftPi(AliAnalysisFilter* trackF) { fTrackFilterSoftPi = trackF; }
dc963de9 101 AliAnalysisFilter* GetTrackFilter() const { return fTrackFilter; }
102 AliAnalysisFilter* GetTrackFilterSoftPi() const { return fTrackFilterSoftPi; }
f3014dc3 103 void SetCutsD0toKpi(AliRDHFCutsD0toKpi* cuts) { fCutsD0toKpi = cuts; }
104 AliRDHFCutsD0toKpi* GetCutsD0toKpi() const { return fCutsD0toKpi; }
e3d40058 105 void SetCutsJpsitoee(AliRDHFCutsJpsitoee* cuts) { fCutsJpsitoee = cuts; }
106 AliRDHFCutsJpsitoee* GetCutsJpsitoee() const { return fCutsJpsitoee; }
107 void SetCutsDplustoKpipi(AliRDHFCutsDplustoKpipi* cuts) { fCutsDplustoKpipi = cuts; }
108 AliRDHFCutsDplustoKpipi* GetCutsDplustoKpipi() const { return fCutsDplustoKpipi; }
109 void SetCutsDstoKKpi(AliRDHFCutsDstoKKpi* cuts) { fCutsDstoKKpi = cuts; }
110 AliRDHFCutsDstoKKpi* GetCutsDstoKKpi() const { return fCutsDstoKKpi; }
111 void SetCutsLctopKpi(AliRDHFCutsLctopKpi* cuts) { fCutsLctopKpi = cuts; }
112 AliRDHFCutsLctopKpi* GetCutsLctopKpi() const { return fCutsLctopKpi; }
a07ad8e0 113 void SetCutsLctoV0(AliRDHFCutsLctoV0* cuts) { fCutsLctoV0 = cuts; }
114 AliRDHFCutsLctoV0* GetCutsLctoV0() const { return fCutsLctoV0; }
e3d40058 115 void SetCutsD0toKpipipi(AliRDHFCutsD0toKpipipi* cuts) { fCutsD0toKpipipi = cuts; }
116 AliRDHFCutsD0toKpipipi* GetCutsD0toKpipipi() const { return fCutsD0toKpipipi; }
da6fefc3 117 void SetCutsDStartoKpipi(AliRDHFCutsDStartoKpipi* cuts) { fCutsDStartoKpipi = cuts; }
118 AliRDHFCutsDStartoKpipi* GetCutsDStartoKpipi() const { return fCutsDStartoKpipi; }
e0732246 119 void SetMassCutBeforeVertexing(Bool_t flag) { fMassCutBeforeVertexing=flag; }
6ea608bf 120
6a213b59 121 //
122 private:
123 //
2ff20727 124 enum { kBitDispl = 0, kBitSoftPi = 1 };
125
dcb444c9 126 Bool_t fInputAOD; // input from AOD (kTRUE) or ESD (kFALSE)
c8ab4e4f 127 Int_t fAODMapSize; // size of fAODMap
128 Int_t *fAODMap; //[fAODMapSize] map between index and ID for AOD tracks
dcb444c9 129
b82f6d67 130 Double_t fBzkG; // z componenent of field in kG
131
132 Bool_t fSecVtxWithKF; // if kTRUE use KF vertexer, else AliVertexerTracks
133
6a213b59 134 Bool_t fRecoPrimVtxSkippingTrks; // flag for primary vertex reco on the fly
135 // for each candidate, w/o its daughters
136 Bool_t fRmTrksFromPrimVtx; // flag for fast removal of daughters from
137 // the primary vertex
138
139 AliESDVertex *fV1; // primary vertex
140
6a213b59 141 // flag to enable candidates production
2ff20727 142 Bool_t fD0toKpi; // D0->Kpi
143 Bool_t fJPSItoEle; // Jpsi->ee
144 Bool_t f3Prong; // D+,Ds,Lc
145 Bool_t f4Prong; // D0->Kpipipi
146 Bool_t fDstar; // D*->D0pi
a07ad8e0 147 Bool_t fCascades; // cascades, Lc --> v0+track
dc963de9 148 Bool_t fLikeSign; // Like-sign pairs
a25935a9 149 Bool_t fMixEvent; // event mixing
6a213b59 150
151 // single-track cuts
2ff20727 152 AliAnalysisFilter *fTrackFilter; // Track Filter for displaced vertices
153 AliAnalysisFilter *fTrackFilterSoftPi; // Track Filter for D* soft pion
6a213b59 154 // candidates cuts
f3014dc3 155 AliRDHFCutsD0toKpi *fCutsD0toKpi; // D0->Kpi cuts
e3d40058 156 AliRDHFCutsJpsitoee *fCutsJpsitoee; // J/psi->ee cuts
157 AliRDHFCutsDplustoKpipi *fCutsDplustoKpipi; // D+->Kpipi cuts
158 AliRDHFCutsDstoKKpi *fCutsDstoKKpi; // Ds->KKpi cuts
159 AliRDHFCutsLctopKpi *fCutsLctopKpi; // Lc->pKpi cuts
a07ad8e0 160 AliRDHFCutsLctoV0 *fCutsLctoV0; // Lc --> v0 + bachelor cuts
e3d40058 161 AliRDHFCutsD0toKpipipi *fCutsD0toKpipipi; // D0->Kpipipi cuts
da6fefc3 162 AliRDHFCutsDStartoKpipi *fCutsDStartoKpipi; // Dstar->D0pi cuts
f3014dc3 163
a9b75906 164 TList *fListOfCuts; // pointer to list of cuts for output file
eee95e18 165 Bool_t fFindVertexForDstar; // reconstruct a secondary vertex or assume it's from the primary vertex
a07ad8e0 166 Bool_t fFindVertexForCascades; // reconstruct a secondary vertex or assume it's from the primary vertex
e0732246 167 Bool_t fMassCutBeforeVertexing; // to go faster in PbPb
168 // dummies for invariant mass calculation
169 AliAODRecoDecay *fMassCalc2; // for 2 prong
170 AliAODRecoDecay *fMassCalc3; // for 3 prong
171 AliAODRecoDecay *fMassCalc4; // for 4 prong
6a213b59 172 //
a9b75906 173 void AddRefs(AliAODVertex *v,AliAODRecoDecayHF *rd,const AliVEvent *event,
174 const TObjArray *trkArray) const;
c4cdf105 175 void AddDaughterRefs(AliAODVertex *v,const AliVEvent *event,
176 const TObjArray *trkArray) const;
dcb444c9 177 AliAODRecoDecayHF2Prong* Make2Prong(TObjArray *twoTrackArray1,AliVEvent *event,
178 AliAODVertex *secVert,Double_t dcap1n1,
2ff20727 179 Bool_t &okD0,Bool_t &okJPSI,Bool_t &okD0fromDstar) const;
dcb444c9 180 AliAODRecoDecayHF3Prong* Make3Prong(TObjArray *threeTrackArray,AliVEvent *event,
181 AliAODVertex *secVert,
182 Double_t dispersion,
c4cdf105 183 const AliAODVertex *vertexp1n1,
184 const AliAODVertex *vertexp2n1,
dcb444c9 185 Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2,
186 Bool_t &ok3Prong) const;
187 AliAODRecoDecayHF4Prong* Make4Prong(TObjArray *fourTrackArray,AliVEvent *event,
721c0b8f 188 AliAODVertex *secVert,
c4cdf105 189 const AliAODVertex *vertexp1n1,
190 const AliAODVertex *vertexp1n1p2,
721c0b8f 191 Double_t dcap1n1,Double_t dcap1n2,
192 Double_t dcap2n1,Double_t dcap2n2,
193 Bool_t &ok4Prong) const;
2ff20727 194 AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
195 AliAODVertex *secVert,
196 AliAODRecoDecayHF2Prong *rd2Prong,
197 Double_t dca,
198 Bool_t &okDstar) const;
a07ad8e0 199 AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
200 AliAODVertex *secVert,
201 AliAODv0 *v0,
202 Double_t dca,
203 Bool_t &okCascades) const;
dcb444c9 204
c4cdf105 205 AliAODVertex* PrimaryVertex(const TObjArray *trkArray=0x0,AliVEvent *event=0x0) const;
dcfa35b3 206 AliAODVertex* ReconstructSecondaryVertex(TObjArray *trkArray,Double_t &dispersion,Bool_t useTRefArray=kTRUE) const;
6a213b59 207 Bool_t SelectInvMass(Int_t decay,Int_t nprongs,
208 Double_t *px,Double_t *py,Double_t *pz) const;
e0732246 209 Bool_t SelectInvMass(TObjArray *trkArray) const;
e11ae259 210 void SelectTracksAndCopyVertex(const AliVEvent *event,Int_t trkEntries,
2ff20727 211 TObjArray &seleTrksArray,Int_t &nSeleTrks,
a25935a9 212 UChar_t *seleFlags,Int_t *evtNumber);
2ff20727 213 Bool_t SingleTrkCuts(AliESDtrack *trk,Bool_t &okDisplaced,Bool_t &okSoftPi) const;
a07ad8e0 214
215 AliAODv0* TransformESDv0toAODv0(AliESDv0 *esdv0,
216 TObjArray *twoTrackArrayV0);
217
6a213b59 218 //
da6fefc3 219 ClassDef(AliAnalysisVertexingHF,18); // Reconstruction of HF decay candidates
6a213b59 220};
221
222
223#endif
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