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[u/mrichter/AliRoot.git] / PWG3 / vertexingHF / AliAnalysisVertexingHF.h
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6a213b59 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 */
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
b056c5e3 11// Contact: andrea.dainese@lnl.infn.it
6a213b59 12//-------------------------------------------------------------------------
13
14#include <TNamed.h>
6a213b59 15#include "AliESDVertex.h"
16#include "AliAODRecoDecayHF.h"
17#include "AliAODRecoDecayHF2Prong.h"
18#include "AliAODRecoDecayHF3Prong.h"
19#include "AliAODRecoDecayHF4Prong.h"
2ff20727 20#include "AliAODRecoCascadeHF.h"
f8fa4595 21#include "AliAnalysisFilter.h"
6a213b59 22
dcb444c9 23class AliESDtrack;
24class AliVEvent;
25class AliAODVertex;
26
6a213b59 27//-----------------------------------------------------------------------------
28class AliAnalysisVertexingHF : public TNamed {
29 public:
30 //
31 AliAnalysisVertexingHF();
13977a79 32 AliAnalysisVertexingHF(const AliAnalysisVertexingHF& source);
33 AliAnalysisVertexingHF& operator=(const AliAnalysisVertexingHF& source);
6a213b59 34 virtual ~AliAnalysisVertexingHF();
35
dcb444c9 36 void FindCandidates(AliVEvent *event,
37 TClonesArray *aodVerticesHFTClArr,
38 TClonesArray *aodD0toKpiTClArr,
39 TClonesArray *aodJPSItoEleTClArr,
40 TClonesArray *aodCharm3ProngTClArr,
2ff20727 41 TClonesArray *aodCharm4ProngTClArr,
42 TClonesArray *aodDstarTClArr);
dcb444c9 43
6a213b59 44 void PrintStatus() const;
b82f6d67 45 void SetSecVtxWithKF() { fSecVtxWithKF=kTRUE; }
6a213b59 46 void SetD0toKpiOn() { fD0toKpi=kTRUE; }
47 void SetD0toKpiOff() { fD0toKpi=kFALSE; }
48 void SetJPSItoEleOn() { fJPSItoEle=kTRUE; }
49 void SetJPSItoEleOff() { fJPSItoEle=kFALSE; }
50 void Set3ProngOn() { f3Prong=kTRUE; }
51 void Set3ProngOff() { f3Prong=kFALSE; }
52 void Set4ProngOn() { f4Prong=kTRUE; }
53 void Set4ProngOff() { f4Prong=kFALSE; }
2ff20727 54 void SetDstarOn() { fDstar=kTRUE; }
55 void SetDstarOff() { fDstar=kFALSE; }
b056c5e3 56 Bool_t GetD0toKpi() { return fD0toKpi; }
57 Bool_t GetJPSItoEle() { return fJPSItoEle; }
58 Bool_t Get3Prong() { return f3Prong; }
59 Bool_t Get4Prong() { return f4Prong; }
2ff20727 60 Bool_t GetDstar() { return fDstar; }
6a213b59 61 void SetRecoPrimVtxSkippingTrks()
62 { fRecoPrimVtxSkippingTrks=kTRUE; fRmTrksFromPrimVtx=kFALSE;}
63 void SetRmTrksFromPrimVtx()
64 {fRmTrksFromPrimVtx=kTRUE; fRecoPrimVtxSkippingTrks=kFALSE; }
f8fa4595 65 void SetTrackFilter(AliAnalysisFilter* trackF) { fTrackFilter = trackF; }
2ff20727 66 void SetTrackFilterSoftPi(AliAnalysisFilter* trackF) { fTrackFilterSoftPi = trackF; }
6a213b59 67 void SetD0toKpiCuts(Double_t cut0=1000.,Double_t cut1=100000.,
68 Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
69 Double_t cut5=100000.,Double_t cut6=100000.,
70 Double_t cut7=100000000.,Double_t cut8=-1.1);
71 void SetD0toKpiCuts(const Double_t cuts[9]);
2ff20727 72 void SetD0fromDstarCuts(Double_t cut0=1000.,Double_t cut1=100000.,
73 Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
74 Double_t cut5=100000.,Double_t cut6=100000.,
75 Double_t cut7=100000000.,Double_t cut8=-1.1);
76 void SetD0fromDstarCuts(const Double_t cuts[9]);
6a213b59 77 void SetBtoJPSICuts(Double_t cut0=1000.,Double_t cut1=100000.,
78 Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
79 Double_t cut5=100000.,Double_t cut6=100000.,
80 Double_t cut7=100000000.,Double_t cut8=-1.1);
81 void SetBtoJPSICuts(const Double_t cuts[9]);
82 void SetDplusCuts(Double_t cut0=1000.,Double_t cut1=0.,
83 Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
84 Double_t cut5=0.,Double_t cut6=10000000000.,
85 Double_t cut7=0.,Double_t cut8=0.,
86 Double_t cut9=-1.1,Double_t cut10=0.,
81679460 87 Double_t cut11=10000000000.);
6a213b59 88 void SetDplusCuts(const Double_t cuts[12]);
6ea608bf 89 void SetDsCuts(Double_t cut0=1000.,Double_t cut1=0.,
90 Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
91 Double_t cut5=0.,Double_t cut6=10000000000.,
92 Double_t cut7=0.,Double_t cut8=0.,
93 Double_t cut9=-1.1,Double_t cut10=0.,
81679460 94 Double_t cut11=10000000000., Double_t cut12=1000.);
95 void SetDsCuts(const Double_t cuts[13]);
6ea608bf 96 void SetLcCuts(Double_t cut0=1000.,Double_t cut1=0.,
97 Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
98 Double_t cut5=0.,Double_t cut6=10000000000.,
99 Double_t cut7=0.,Double_t cut8=0.,
100 Double_t cut9=-1.1,Double_t cut10=0.,
81679460 101 Double_t cut11=10000000000.);
6ea608bf 102 void SetLcCuts(const Double_t cuts[12]);
2ff20727 103 void SetDstarCuts(Double_t cut0=1000., Double_t cut1=1000.,
104 Double_t cut2=-1., Double_t cut3=1000.,
105 Double_t cut4=1.6);
106 void SetDstarCuts(const Double_t cuts[5]);
6ea608bf 107
6a213b59 108 //
109 private:
110 //
2ff20727 111 enum { kBitDispl = 0, kBitSoftPi = 1 };
112
dcb444c9 113 Bool_t fInputAOD; // input from AOD (kTRUE) or ESD (kFALSE)
114
115 Int_t *fAODMap; // map between index and ID for AOD tracks
116
b82f6d67 117 Double_t fBzkG; // z componenent of field in kG
118
119 Bool_t fSecVtxWithKF; // if kTRUE use KF vertexer, else AliVertexerTracks
120
6a213b59 121 Bool_t fRecoPrimVtxSkippingTrks; // flag for primary vertex reco on the fly
122 // for each candidate, w/o its daughters
123 Bool_t fRmTrksFromPrimVtx; // flag for fast removal of daughters from
124 // the primary vertex
125
126 AliESDVertex *fV1; // primary vertex
127
6a213b59 128 // flag to enable candidates production
2ff20727 129 Bool_t fD0toKpi; // D0->Kpi
130 Bool_t fJPSItoEle; // Jpsi->ee
131 Bool_t f3Prong; // D+,Ds,Lc
132 Bool_t f4Prong; // D0->Kpipipi
133 Bool_t fDstar; // D*->D0pi
6a213b59 134
135 // single-track cuts
2ff20727 136 AliAnalysisFilter *fTrackFilter; // Track Filter for displaced vertices
137 AliAnalysisFilter *fTrackFilterSoftPi; // Track Filter for D* soft pion
6a213b59 138 // candidates cuts
139 Double_t fD0toKpiCuts[9]; // cuts on D0->Kpi candidates
140 // (to be passed to AliAODRecoDecayHF2Prong::SelectD0())
141 // 0 = inv. mass half width [GeV]
142 // 1 = dca [cm]
143 // 2 = cosThetaStar
144 // 3 = pTK [GeV/c]
145 // 4 = pTPi [GeV/c]
146 // 5 = d0K [cm] upper limit!
147 // 6 = d0Pi [cm] upper limit!
148 // 7 = d0d0 [cm^2]
149 // 8 = cosThetaPoint
2ff20727 150 Double_t fD0fromDstarCuts[9]; // cuts on D0->Kpi candidates from D*
151 // (to be passed to AliAODRecoCascadeHF::SelectDstar())
152 // 0 = inv. mass half width [GeV]
153 // 1 = dca [cm]
154 // 2 = cosThetaStar
155 // 3 = pTK [GeV/c]
156 // 4 = pTPi [GeV/c]
157 // 5 = d0K [cm] upper limit!
158 // 6 = d0Pi [cm] upper limit!
159 // 7 = d0d0 [cm^2]
160 // 8 = cosThetaPoint
6a213b59 161 Double_t fBtoJPSICuts[9]; // cuts on JPSI candidates
162 // (to be passed to AliAODRecoDecayHF2Prong::SelectBtoJPSI())
163 // 0 = inv. mass half width [GeV]
164 // 1 = dca [cm]
165 // 2 = cosThetaStar (negative electron)
166 // 3 = pTP [GeV/c]
167 // 4 = pTN [GeV/c]
168 // 5 = d0O [cm] upper limit!
169 // 6 = d0N [cm] upper limit!
170 // 7 = d0d0 [cm^2]
171 // 8 = cosThetaPoint
172 Double_t fDplusCuts[12]; // cuts on Dplus candidates
6ea608bf 173 // (to be passed to AliAODRecoDecayHF3Prong::SelectDplus())
6a213b59 174 // 0 = inv. mass half width [GeV]
175 // 1 = pTK [GeV/c]
176 // 2 = pTPi [GeV/c]
177 // 3 = d0K [cm] lower limit!
178 // 4 = d0Pi [cm] lower limit!
179 // 5 = dist12 (cm)
180 // 6 = sigmavert (cm)
181 // 7 = dist prim-sec (cm)
182 // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
183 // 9 = cosThetaPoint
184 // 10 = Sum d0^2 (cm^2)
185 // 11 = dca cut (cm)
81679460 186 Double_t fDsCuts[13]; // cuts on Ds candidates
6ea608bf 187 // (to be passed to AliAODRecoDecayHF3Prong::SelectDs())
188 // 0 = inv. mass half width [GeV]
189 // 1 = pTK [GeV/c]
190 // 2 = pTPi [GeV/c]
191 // 3 = d0K [cm] lower limit!
192 // 4 = d0Pi [cm] lower limit!
193 // 5 = dist12 (cm)
194 // 6 = sigmavert (cm)
195 // 7 = dist prim-sec (cm)
196 // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
197 // 9 = cosThetaPoint
198 // 10 = Sum d0^2 (cm^2)
199 // 11 = dca cut (cm)
81679460 200 // 12 = inv. mass cut arounf phi and K0* [GeV]
201 Double_t fLcCuts[12]; // cuts on Lambdac candidates
6ea608bf 202 // (to be passed to AliAODRecoDecayHF3Prong::SelectLc())
203 // 0 = inv. mass half width [GeV]
204 // 1 = pTP [GeV/c]
205 // 2 = pTPi abd pTK [GeV/c]
206 // 3 = d0P [cm] lower limit!
207 // 4 = d0Pi and d0K [cm] lower limit!
208 // 5 = dist12 (cm)
209 // 6 = sigmavert (cm)
210 // 7 = dist prim-sec (cm)
211 // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
212 // 9 = cosThetaPoint
213 // 10 = Sum d0^2 (cm^2)
214 // 11 = dca cut (cm)
2ff20727 215 Double_t fDstarCuts[5]; // cuts on D* candidates
216 // (to be passed to AliAODRecoCascadeHF::SelectDstar())
217 // 0 = inv. mass half width of D* [GeV]
218 // 1 = half width of (M_Kpipi-M_Kpi) [GeV]
219 // 2 = PtMin of pi_s [GeV/c]
220 // 3 = PtMax of pi_s [GeV/c]
221 // 4 = theta, angle between the track of pi_s and D0 decay plane [rad]
222
6a213b59 223 //
dcb444c9 224 void AddDaughterRefs(AliAODVertex *v,AliVEvent *event,
225 TObjArray *trkArray) const;
226 AliAODRecoDecayHF2Prong* Make2Prong(TObjArray *twoTrackArray1,AliVEvent *event,
227 AliAODVertex *secVert,Double_t dcap1n1,
2ff20727 228 Bool_t &okD0,Bool_t &okJPSI,Bool_t &okD0fromDstar) const;
dcb444c9 229 AliAODRecoDecayHF3Prong* Make3Prong(TObjArray *threeTrackArray,AliVEvent *event,
230 AliAODVertex *secVert,
231 Double_t dispersion,
232 AliAODVertex *vertexp1n1,
233 AliAODVertex *vertexp2n1,
234 Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2,
235 Bool_t &ok3Prong) const;
236 AliAODRecoDecayHF4Prong* Make4Prong(TObjArray *fourTrackArray,AliVEvent *event,
237 AliAODVertex *secVert,
238 AliAODVertex *vertexp1n1,
239 AliAODVertex *vertexp2n1,
240 Double_t dcap1n1,Double_t dcap1n2,
241 Double_t dcap2n1,
242 Bool_t &ok4Prong) const;
2ff20727 243 AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
244 AliAODVertex *secVert,
245 AliAODRecoDecayHF2Prong *rd2Prong,
246 Double_t dca,
247 Bool_t &okDstar) const;
dcb444c9 248
2ff20727 249 AliAODVertex* PrimaryVertex(TObjArray *trkArray=0x0,AliVEvent *event=0x0) const;
dcb444c9 250 AliAODVertex* ReconstructSecondaryVertex(TObjArray *trkArray,Double_t &dispersion) const;
6a213b59 251 Bool_t SelectInvMass(Int_t decay,Int_t nprongs,
252 Double_t *px,Double_t *py,Double_t *pz) const;
dcb444c9 253 void SelectTracksAndCopyVertex(AliVEvent *event,
2ff20727 254 TObjArray &seleTrksArray,Int_t &nSeleTrks,
255 UChar_t *seleFlags);
dcb444c9 256 void SetPrimaryVertex(AliESDVertex *v1) { fV1 = v1; }
2ff20727 257 Bool_t SingleTrkCuts(AliESDtrack *trk,Bool_t &okDisplaced,Bool_t &okSoftPi) const;
6a213b59 258 //
2ff20727 259 ClassDef(AliAnalysisVertexingHF,6) // Reconstruction of HF decay candidates
6a213b59 260};
261
262
263#endif
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