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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,
dc963de9 42 TClonesArray *aodDstarTClArr,
43 TClonesArray *aodLikeSignTClArr);
dcb444c9 44
6a213b59 45 void PrintStatus() const;
b82f6d67 46 void SetSecVtxWithKF() { fSecVtxWithKF=kTRUE; }
6a213b59 47 void SetD0toKpiOn() { fD0toKpi=kTRUE; }
48 void SetD0toKpiOff() { fD0toKpi=kFALSE; }
49 void SetJPSItoEleOn() { fJPSItoEle=kTRUE; }
50 void SetJPSItoEleOff() { fJPSItoEle=kFALSE; }
51 void Set3ProngOn() { f3Prong=kTRUE; }
52 void Set3ProngOff() { f3Prong=kFALSE; }
53 void Set4ProngOn() { f4Prong=kTRUE; }
54 void Set4ProngOff() { f4Prong=kFALSE; }
2ff20727 55 void SetDstarOn() { fDstar=kTRUE; }
56 void SetDstarOff() { fDstar=kFALSE; }
dc963de9 57 void SetLikeSignOn() { fLikeSign=kTRUE; }
58 void SetLikeSignOff() { fLikeSign=kFALSE; }
b056c5e3 59 Bool_t GetD0toKpi() { return fD0toKpi; }
60 Bool_t GetJPSItoEle() { return fJPSItoEle; }
61 Bool_t Get3Prong() { return f3Prong; }
62 Bool_t Get4Prong() { return f4Prong; }
2ff20727 63 Bool_t GetDstar() { return fDstar; }
dc963de9 64 Bool_t GetLikeSign() { return fLikeSign; }
eee95e18 65 void SetFindVertexForDstar(Bool_t vtx=kTRUE) { fFindVertexForDstar=vtx; }
6a213b59 66 void SetRecoPrimVtxSkippingTrks()
67 { fRecoPrimVtxSkippingTrks=kTRUE; fRmTrksFromPrimVtx=kFALSE;}
68 void SetRmTrksFromPrimVtx()
69 {fRmTrksFromPrimVtx=kTRUE; fRecoPrimVtxSkippingTrks=kFALSE; }
f8fa4595 70 void SetTrackFilter(AliAnalysisFilter* trackF) { fTrackFilter = trackF; }
2ff20727 71 void SetTrackFilterSoftPi(AliAnalysisFilter* trackF) { fTrackFilterSoftPi = trackF; }
dc963de9 72 AliAnalysisFilter* GetTrackFilter() const { return fTrackFilter; }
73 AliAnalysisFilter* GetTrackFilterSoftPi() const { return fTrackFilterSoftPi; }
6a213b59 74 void SetD0toKpiCuts(Double_t cut0=1000.,Double_t cut1=100000.,
75 Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
76 Double_t cut5=100000.,Double_t cut6=100000.,
77 Double_t cut7=100000000.,Double_t cut8=-1.1);
78 void SetD0toKpiCuts(const Double_t cuts[9]);
2ff20727 79 void SetD0fromDstarCuts(Double_t cut0=1000.,Double_t cut1=100000.,
80 Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
81 Double_t cut5=100000.,Double_t cut6=100000.,
82 Double_t cut7=100000000.,Double_t cut8=-1.1);
83 void SetD0fromDstarCuts(const Double_t cuts[9]);
6a213b59 84 void SetBtoJPSICuts(Double_t cut0=1000.,Double_t cut1=100000.,
85 Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
86 Double_t cut5=100000.,Double_t cut6=100000.,
87 Double_t cut7=100000000.,Double_t cut8=-1.1);
88 void SetBtoJPSICuts(const Double_t cuts[9]);
89 void SetDplusCuts(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.);
6a213b59 95 void SetDplusCuts(const Double_t cuts[12]);
6ea608bf 96 void SetDsCuts(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., Double_t cut12=1000.);
102 void SetDsCuts(const Double_t cuts[13]);
6ea608bf 103 void SetLcCuts(Double_t cut0=1000.,Double_t cut1=0.,
104 Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
105 Double_t cut5=0.,Double_t cut6=10000000000.,
106 Double_t cut7=0.,Double_t cut8=0.,
107 Double_t cut9=-1.1,Double_t cut10=0.,
81679460 108 Double_t cut11=10000000000.);
6ea608bf 109 void SetLcCuts(const Double_t cuts[12]);
2ff20727 110 void SetDstarCuts(Double_t cut0=1000., Double_t cut1=1000.,
111 Double_t cut2=-1., Double_t cut3=1000.,
112 Double_t cut4=1.6);
113 void SetDstarCuts(const Double_t cuts[5]);
721c0b8f 114 void SetD0to4ProngsCuts(Double_t cut0=1000.,Double_t cut1=100000.,
115 Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
116 Double_t cut5=-1.1,Double_t cut6=0.,
117 Double_t cut7=0.,Double_t cut8=0.);
118 void SetD0to4ProngsCuts(const Double_t cuts[9]);
dc963de9 119 const Double_t *GetD0toKpiCuts() const {return fD0toKpiCuts;}
120 const Double_t *GetD0fromDstarCuts() const {return fD0fromDstarCuts;}
121 const Double_t *GetBtoJPSICuts() const {return fBtoJPSICuts;}
122 const Double_t *GetDplusCuts() const {return fDplusCuts;}
123 const Double_t *GetDsCuts() const {return fDsCuts;}
124 const Double_t *GetLcCuts() const {return fLcCuts;}
125 const Double_t *GetDstarCuts() const {return fDstarCuts;}
721c0b8f 126 const Double_t *GetD0to4ProngsCuts() const {return fD0to4ProngsCuts;}
6ea608bf 127
6a213b59 128 //
129 private:
130 //
2ff20727 131 enum { kBitDispl = 0, kBitSoftPi = 1 };
132
dcb444c9 133 Bool_t fInputAOD; // input from AOD (kTRUE) or ESD (kFALSE)
134
135 Int_t *fAODMap; // map between index and ID for AOD tracks
136
b82f6d67 137 Double_t fBzkG; // z componenent of field in kG
138
139 Bool_t fSecVtxWithKF; // if kTRUE use KF vertexer, else AliVertexerTracks
140
6a213b59 141 Bool_t fRecoPrimVtxSkippingTrks; // flag for primary vertex reco on the fly
142 // for each candidate, w/o its daughters
143 Bool_t fRmTrksFromPrimVtx; // flag for fast removal of daughters from
144 // the primary vertex
145
146 AliESDVertex *fV1; // primary vertex
147
6a213b59 148 // flag to enable candidates production
2ff20727 149 Bool_t fD0toKpi; // D0->Kpi
150 Bool_t fJPSItoEle; // Jpsi->ee
151 Bool_t f3Prong; // D+,Ds,Lc
152 Bool_t f4Prong; // D0->Kpipipi
153 Bool_t fDstar; // D*->D0pi
dc963de9 154 Bool_t fLikeSign; // Like-sign pairs
6a213b59 155
156 // single-track cuts
2ff20727 157 AliAnalysisFilter *fTrackFilter; // Track Filter for displaced vertices
158 AliAnalysisFilter *fTrackFilterSoftPi; // Track Filter for D* soft pion
6a213b59 159 // candidates cuts
160 Double_t fD0toKpiCuts[9]; // cuts on D0->Kpi candidates
161 // (to be passed to AliAODRecoDecayHF2Prong::SelectD0())
162 // 0 = inv. mass half width [GeV]
163 // 1 = dca [cm]
164 // 2 = cosThetaStar
165 // 3 = pTK [GeV/c]
166 // 4 = pTPi [GeV/c]
167 // 5 = d0K [cm] upper limit!
168 // 6 = d0Pi [cm] upper limit!
169 // 7 = d0d0 [cm^2]
170 // 8 = cosThetaPoint
2ff20727 171 Double_t fD0fromDstarCuts[9]; // cuts on D0->Kpi candidates from D*
172 // (to be passed to AliAODRecoCascadeHF::SelectDstar())
173 // 0 = inv. mass half width [GeV]
174 // 1 = dca [cm]
175 // 2 = cosThetaStar
176 // 3 = pTK [GeV/c]
177 // 4 = pTPi [GeV/c]
178 // 5 = d0K [cm] upper limit!
179 // 6 = d0Pi [cm] upper limit!
180 // 7 = d0d0 [cm^2]
181 // 8 = cosThetaPoint
6a213b59 182 Double_t fBtoJPSICuts[9]; // cuts on JPSI candidates
183 // (to be passed to AliAODRecoDecayHF2Prong::SelectBtoJPSI())
184 // 0 = inv. mass half width [GeV]
185 // 1 = dca [cm]
186 // 2 = cosThetaStar (negative electron)
187 // 3 = pTP [GeV/c]
188 // 4 = pTN [GeV/c]
189 // 5 = d0O [cm] upper limit!
190 // 6 = d0N [cm] upper limit!
191 // 7 = d0d0 [cm^2]
192 // 8 = cosThetaPoint
193 Double_t fDplusCuts[12]; // cuts on Dplus candidates
6ea608bf 194 // (to be passed to AliAODRecoDecayHF3Prong::SelectDplus())
6a213b59 195 // 0 = inv. mass half width [GeV]
196 // 1 = pTK [GeV/c]
197 // 2 = pTPi [GeV/c]
198 // 3 = d0K [cm] lower limit!
199 // 4 = d0Pi [cm] lower limit!
200 // 5 = dist12 (cm)
201 // 6 = sigmavert (cm)
202 // 7 = dist prim-sec (cm)
203 // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
204 // 9 = cosThetaPoint
205 // 10 = Sum d0^2 (cm^2)
206 // 11 = dca cut (cm)
81679460 207 Double_t fDsCuts[13]; // cuts on Ds candidates
6ea608bf 208 // (to be passed to AliAODRecoDecayHF3Prong::SelectDs())
209 // 0 = inv. mass half width [GeV]
210 // 1 = pTK [GeV/c]
211 // 2 = pTPi [GeV/c]
212 // 3 = d0K [cm] lower limit!
213 // 4 = d0Pi [cm] lower limit!
214 // 5 = dist12 (cm)
215 // 6 = sigmavert (cm)
216 // 7 = dist prim-sec (cm)
217 // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
218 // 9 = cosThetaPoint
219 // 10 = Sum d0^2 (cm^2)
220 // 11 = dca cut (cm)
81679460 221 // 12 = inv. mass cut arounf phi and K0* [GeV]
222 Double_t fLcCuts[12]; // cuts on Lambdac candidates
6ea608bf 223 // (to be passed to AliAODRecoDecayHF3Prong::SelectLc())
224 // 0 = inv. mass half width [GeV]
225 // 1 = pTP [GeV/c]
226 // 2 = pTPi abd pTK [GeV/c]
227 // 3 = d0P [cm] lower limit!
228 // 4 = d0Pi and d0K [cm] lower limit!
229 // 5 = dist12 (cm)
230 // 6 = sigmavert (cm)
231 // 7 = dist prim-sec (cm)
232 // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
233 // 9 = cosThetaPoint
234 // 10 = Sum d0^2 (cm^2)
235 // 11 = dca cut (cm)
2ff20727 236 Double_t fDstarCuts[5]; // cuts on D* candidates
237 // (to be passed to AliAODRecoCascadeHF::SelectDstar())
238 // 0 = inv. mass half width of D* [GeV]
239 // 1 = half width of (M_Kpipi-M_Kpi) [GeV]
240 // 2 = PtMin of pi_s [GeV/c]
241 // 3 = PtMax of pi_s [GeV/c]
242 // 4 = theta, angle between the track of pi_s and D0 decay plane [rad]
243
721c0b8f 244 Double_t fD0to4ProngsCuts[9]; // cuts on D0->K3pi candidates
245 // (to be passed to AliAODRecoDecayHF4Prong::SelectD0())
246 // 0 = inv. mass half width of D0 [GeV]
247 // 1 = DCA between opposite sign tracks
248 // 2 = Distance between primary and two tracks vertex fDist12toPrim
249 // 3 = Distance between primary and three tracks vertex fDist3toPrim
250 // 4 = Distance between primary and two tracks vertex fDist4toPrim
251 // 5 = Cosinus of the pointing angle
252 // 6 = Transverse momentum of the D0 candidate
253 // 7 = Mass Pi+Pi- = mass of the rho0
254 // 8 = PID cut (one K in the quadruplet)
255
eee95e18 256 Bool_t fFindVertexForDstar; // reconstruct a secondary vertex or assume it's from the primary vertex
6a213b59 257 //
dcb444c9 258 void AddDaughterRefs(AliAODVertex *v,AliVEvent *event,
259 TObjArray *trkArray) const;
260 AliAODRecoDecayHF2Prong* Make2Prong(TObjArray *twoTrackArray1,AliVEvent *event,
261 AliAODVertex *secVert,Double_t dcap1n1,
2ff20727 262 Bool_t &okD0,Bool_t &okJPSI,Bool_t &okD0fromDstar) const;
dcb444c9 263 AliAODRecoDecayHF3Prong* Make3Prong(TObjArray *threeTrackArray,AliVEvent *event,
264 AliAODVertex *secVert,
265 Double_t dispersion,
266 AliAODVertex *vertexp1n1,
267 AliAODVertex *vertexp2n1,
268 Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2,
269 Bool_t &ok3Prong) const;
270 AliAODRecoDecayHF4Prong* Make4Prong(TObjArray *fourTrackArray,AliVEvent *event,
721c0b8f 271 AliAODVertex *secVert,
272 AliAODVertex *vertexp1n1,
273 AliAODVertex *vertexp1n1p2,
274 Double_t dcap1n1,Double_t dcap1n2,
275 Double_t dcap2n1,Double_t dcap2n2,
276 Bool_t &ok4Prong) const;
2ff20727 277 AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
278 AliAODVertex *secVert,
279 AliAODRecoDecayHF2Prong *rd2Prong,
280 Double_t dca,
281 Bool_t &okDstar) const;
dcb444c9 282
2ff20727 283 AliAODVertex* PrimaryVertex(TObjArray *trkArray=0x0,AliVEvent *event=0x0) const;
dcfa35b3 284 AliAODVertex* ReconstructSecondaryVertex(TObjArray *trkArray,Double_t &dispersion,Bool_t useTRefArray=kTRUE) const;
6a213b59 285 Bool_t SelectInvMass(Int_t decay,Int_t nprongs,
286 Double_t *px,Double_t *py,Double_t *pz) const;
dcb444c9 287 void SelectTracksAndCopyVertex(AliVEvent *event,
2ff20727 288 TObjArray &seleTrksArray,Int_t &nSeleTrks,
289 UChar_t *seleFlags);
dcb444c9 290 void SetPrimaryVertex(AliESDVertex *v1) { fV1 = v1; }
2ff20727 291 Bool_t SingleTrkCuts(AliESDtrack *trk,Bool_t &okDisplaced,Bool_t &okSoftPi) const;
6a213b59 292 //
eee95e18 293 ClassDef(AliAnalysisVertexingHF,9); // Reconstruction of HF decay candidates
6a213b59 294};
295
296
297#endif
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