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@lnl.infn.it
12 //-------------------------------------------------------------------------
15 #include "AliESDVertex.h"
16 #include "AliAODRecoDecayHF.h"
17 #include "AliAODRecoDecayHF2Prong.h"
18 #include "AliAODRecoDecayHF3Prong.h"
19 #include "AliAODRecoDecayHF4Prong.h"
20 #include "AliAODRecoCascadeHF.h"
21 #include "AliAnalysisFilter.h"
27 //-----------------------------------------------------------------------------
28 class AliAnalysisVertexingHF : public TNamed {
31 AliAnalysisVertexingHF();
32 AliAnalysisVertexingHF(const AliAnalysisVertexingHF& source);
33 AliAnalysisVertexingHF& operator=(const AliAnalysisVertexingHF& source);
34 virtual ~AliAnalysisVertexingHF();
36 void FindCandidates(AliVEvent *event,
37 TClonesArray *aodVerticesHFTClArr,
38 TClonesArray *aodD0toKpiTClArr,
39 TClonesArray *aodJPSItoEleTClArr,
40 TClonesArray *aodCharm3ProngTClArr,
41 TClonesArray *aodCharm4ProngTClArr,
42 TClonesArray *aodDstarTClArr,
43 TClonesArray *aodLikeSign2ProngTClArr,
44 TClonesArray *aodLikeSign3ProngTClArr);
46 void PrintStatus() const;
47 void SetSecVtxWithKF() { fSecVtxWithKF=kTRUE; }
48 void SetD0toKpiOn() { fD0toKpi=kTRUE; }
49 void SetD0toKpiOff() { fD0toKpi=kFALSE; }
50 void SetJPSItoEleOn() { fJPSItoEle=kTRUE; }
51 void SetJPSItoEleOff() { fJPSItoEle=kFALSE; }
52 void Set3ProngOn() { f3Prong=kTRUE; }
53 void Set3ProngOff() { f3Prong=kFALSE; }
54 void Set4ProngOn() { f4Prong=kTRUE; }
55 void Set4ProngOff() { f4Prong=kFALSE; }
56 void SetDstarOn() { fDstar=kTRUE; }
57 void SetDstarOff() { fDstar=kFALSE; }
58 void SetLikeSignOn() { fLikeSign=kTRUE; }
59 void SetLikeSignOff() { fLikeSign=kFALSE; }
60 Bool_t GetD0toKpi() { return fD0toKpi; }
61 Bool_t GetJPSItoEle() { return fJPSItoEle; }
62 Bool_t Get3Prong() { return f3Prong; }
63 Bool_t Get4Prong() { return f4Prong; }
64 Bool_t GetDstar() { return fDstar; }
65 Bool_t GetLikeSign() { return fLikeSign; }
66 void SetFindVertexForDstar(Bool_t vtx=kTRUE) { fFindVertexForDstar=vtx; }
67 void SetRecoPrimVtxSkippingTrks()
68 { fRecoPrimVtxSkippingTrks=kTRUE; fRmTrksFromPrimVtx=kFALSE;}
69 void SetRmTrksFromPrimVtx()
70 {fRmTrksFromPrimVtx=kTRUE; fRecoPrimVtxSkippingTrks=kFALSE; }
71 void SetTrackFilter(AliAnalysisFilter* trackF) { fTrackFilter = trackF; }
72 void SetTrackFilterSoftPi(AliAnalysisFilter* trackF) { fTrackFilterSoftPi = trackF; }
73 AliAnalysisFilter* GetTrackFilter() const { return fTrackFilter; }
74 AliAnalysisFilter* GetTrackFilterSoftPi() const { return fTrackFilterSoftPi; }
75 void SetD0toKpiCuts(Double_t cut0=1000.,Double_t cut1=100000.,
76 Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
77 Double_t cut5=100000.,Double_t cut6=100000.,
78 Double_t cut7=100000000.,Double_t cut8=-1.1);
79 void SetD0toKpiCuts(const Double_t cuts[9]);
80 void SetD0fromDstarCuts(Double_t cut0=1000.,Double_t cut1=100000.,
81 Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
82 Double_t cut5=100000.,Double_t cut6=100000.,
83 Double_t cut7=100000000.,Double_t cut8=-1.1);
84 void SetD0fromDstarCuts(const Double_t cuts[9]);
85 void SetBtoJPSICuts(Double_t cut0=1000.,Double_t cut1=100000.,
86 Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
87 Double_t cut5=100000.,Double_t cut6=100000.,
88 Double_t cut7=100000000.,Double_t cut8=-1.1);
89 void SetBtoJPSICuts(const Double_t cuts[9]);
90 void SetDplusCuts(Double_t cut0=1000.,Double_t cut1=0.,
91 Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
92 Double_t cut5=0.,Double_t cut6=10000000000.,
93 Double_t cut7=0.,Double_t cut8=0.,
94 Double_t cut9=-1.1,Double_t cut10=0.,
95 Double_t cut11=10000000000.);
96 void SetDplusCuts(const Double_t cuts[12]);
97 void SetDsCuts(Double_t cut0=1000.,Double_t cut1=0.,
98 Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
99 Double_t cut5=0.,Double_t cut6=10000000000.,
100 Double_t cut7=0.,Double_t cut8=0.,
101 Double_t cut9=-1.1,Double_t cut10=0.,
102 Double_t cut11=10000000000., Double_t cut12=1000.);
103 void SetDsCuts(const Double_t cuts[13]);
104 void SetLcCuts(Double_t cut0=1000.,Double_t cut1=0.,
105 Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
106 Double_t cut5=0.,Double_t cut6=10000000000.,
107 Double_t cut7=0.,Double_t cut8=0.,
108 Double_t cut9=-1.1,Double_t cut10=0.,
109 Double_t cut11=10000000000.);
110 void SetLcCuts(const Double_t cuts[12]);
111 void SetDstarCuts(Double_t cut0=1000., Double_t cut1=1000.,
112 Double_t cut2=-1., Double_t cut3=1000.,
114 void SetDstarCuts(const Double_t cuts[5]);
115 void SetD0to4ProngsCuts(Double_t cut0=1000.,Double_t cut1=100000.,
116 Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
117 Double_t cut5=-1.1,Double_t cut6=0.,
118 Double_t cut7=0.,Double_t cut8=0.);
119 void SetD0to4ProngsCuts(const Double_t cuts[9]);
120 const Double_t *GetD0toKpiCuts() const {return fD0toKpiCuts;}
121 const Double_t *GetD0fromDstarCuts() const {return fD0fromDstarCuts;}
122 const Double_t *GetBtoJPSICuts() const {return fBtoJPSICuts;}
123 const Double_t *GetDplusCuts() const {return fDplusCuts;}
124 const Double_t *GetDsCuts() const {return fDsCuts;}
125 const Double_t *GetLcCuts() const {return fLcCuts;}
126 const Double_t *GetDstarCuts() const {return fDstarCuts;}
127 const Double_t *GetD0to4ProngsCuts() const {return fD0to4ProngsCuts;}
132 enum { kBitDispl = 0, kBitSoftPi = 1 };
134 Bool_t fInputAOD; // input from AOD (kTRUE) or ESD (kFALSE)
136 Int_t fAODMap[100000]; // map between index and ID for AOD tracks
138 Double_t fBzkG; // z componenent of field in kG
140 Bool_t fSecVtxWithKF; // if kTRUE use KF vertexer, else AliVertexerTracks
142 Bool_t fRecoPrimVtxSkippingTrks; // flag for primary vertex reco on the fly
143 // for each candidate, w/o its daughters
144 Bool_t fRmTrksFromPrimVtx; // flag for fast removal of daughters from
145 // the primary vertex
147 AliESDVertex *fV1; // primary vertex
149 // flag to enable candidates production
150 Bool_t fD0toKpi; // D0->Kpi
151 Bool_t fJPSItoEle; // Jpsi->ee
152 Bool_t f3Prong; // D+,Ds,Lc
153 Bool_t f4Prong; // D0->Kpipipi
154 Bool_t fDstar; // D*->D0pi
155 Bool_t fLikeSign; // Like-sign pairs
158 AliAnalysisFilter *fTrackFilter; // Track Filter for displaced vertices
159 AliAnalysisFilter *fTrackFilterSoftPi; // Track Filter for D* soft pion
161 Double_t fD0toKpiCuts[9]; // cuts on D0->Kpi candidates
162 // (to be passed to AliAODRecoDecayHF2Prong::SelectD0())
163 // 0 = inv. mass half width [GeV]
168 // 5 = d0K [cm] upper limit!
169 // 6 = d0Pi [cm] upper limit!
172 Double_t fD0fromDstarCuts[9]; // cuts on D0->Kpi candidates from D*
173 // (to be passed to AliAODRecoCascadeHF::SelectDstar())
174 // 0 = inv. mass half width [GeV]
179 // 5 = d0K [cm] upper limit!
180 // 6 = d0Pi [cm] upper limit!
183 Double_t fBtoJPSICuts[9]; // cuts on JPSI candidates
184 // (to be passed to AliAODRecoDecayHF2Prong::SelectBtoJPSI())
185 // 0 = inv. mass half width [GeV]
187 // 2 = cosThetaStar (negative electron)
190 // 5 = d0O [cm] upper limit!
191 // 6 = d0N [cm] upper limit!
194 Double_t fDplusCuts[12]; // cuts on Dplus candidates
195 // (to be passed to AliAODRecoDecayHF3Prong::SelectDplus())
196 // 0 = inv. mass half width [GeV]
199 // 3 = d0K [cm] lower limit!
200 // 4 = d0Pi [cm] lower limit!
202 // 6 = sigmavert (cm)
203 // 7 = dist prim-sec (cm)
204 // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
206 // 10 = Sum d0^2 (cm^2)
208 Double_t fDsCuts[13]; // cuts on Ds candidates
209 // (to be passed to AliAODRecoDecayHF3Prong::SelectDs())
210 // 0 = inv. mass half width [GeV]
213 // 3 = d0K [cm] lower limit!
214 // 4 = d0Pi [cm] lower limit!
216 // 6 = sigmavert (cm)
217 // 7 = dist prim-sec (cm)
218 // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
220 // 10 = Sum d0^2 (cm^2)
222 // 12 = inv. mass cut arounf phi and K0* [GeV]
223 Double_t fLcCuts[12]; // cuts on Lambdac candidates
224 // (to be passed to AliAODRecoDecayHF3Prong::SelectLc())
225 // 0 = inv. mass half width [GeV]
227 // 2 = pTPi abd pTK [GeV/c]
228 // 3 = d0P [cm] lower limit!
229 // 4 = d0Pi and d0K [cm] lower limit!
231 // 6 = sigmavert (cm)
232 // 7 = dist prim-sec (cm)
233 // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
235 // 10 = Sum d0^2 (cm^2)
237 Double_t fDstarCuts[5]; // cuts on D* candidates
238 // (to be passed to AliAODRecoCascadeHF::SelectDstar())
239 // 0 = inv. mass half width of D* [GeV]
240 // 1 = half width of (M_Kpipi-M_Kpi) [GeV]
241 // 2 = PtMin of pi_s [GeV/c]
242 // 3 = PtMax of pi_s [GeV/c]
243 // 4 = theta, angle between the track of pi_s and D0 decay plane [rad]
245 Double_t fD0to4ProngsCuts[9]; // cuts on D0->K3pi candidates
246 // (to be passed to AliAODRecoDecayHF4Prong::SelectD0())
247 // 0 = inv. mass half width of D0 [GeV]
248 // 1 = DCA between opposite sign tracks
249 // 2 = Distance between primary and two tracks vertex fDist12toPrim
250 // 3 = Distance between primary and three tracks vertex fDist3toPrim
251 // 4 = Distance between primary and two tracks vertex fDist4toPrim
252 // 5 = Cosinus of the pointing angle
253 // 6 = Transverse momentum of the D0 candidate
254 // 7 = Mass Pi+Pi- = mass of the rho0
255 // 8 = PID cut (one K in the quadruplet)
257 Bool_t fFindVertexForDstar; // reconstruct a secondary vertex or assume it's from the primary vertex
259 void AddDaughterRefs(AliAODVertex *v,AliVEvent *event,
260 TObjArray *trkArray) const;
261 AliAODRecoDecayHF2Prong* Make2Prong(TObjArray *twoTrackArray1,AliVEvent *event,
262 AliAODVertex *secVert,Double_t dcap1n1,
263 Bool_t &okD0,Bool_t &okJPSI,Bool_t &okD0fromDstar) const;
264 AliAODRecoDecayHF3Prong* Make3Prong(TObjArray *threeTrackArray,AliVEvent *event,
265 AliAODVertex *secVert,
267 AliAODVertex *vertexp1n1,
268 AliAODVertex *vertexp2n1,
269 Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2,
270 Bool_t &ok3Prong) const;
271 AliAODRecoDecayHF4Prong* Make4Prong(TObjArray *fourTrackArray,AliVEvent *event,
272 AliAODVertex *secVert,
273 AliAODVertex *vertexp1n1,
274 AliAODVertex *vertexp1n1p2,
275 Double_t dcap1n1,Double_t dcap1n2,
276 Double_t dcap2n1,Double_t dcap2n2,
277 Bool_t &ok4Prong) const;
278 AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
279 AliAODVertex *secVert,
280 AliAODRecoDecayHF2Prong *rd2Prong,
282 Bool_t &okDstar) const;
284 AliAODVertex* PrimaryVertex(TObjArray *trkArray=0x0,AliVEvent *event=0x0) const;
285 AliAODVertex* ReconstructSecondaryVertex(TObjArray *trkArray,Double_t &dispersion,Bool_t useTRefArray=kTRUE) const;
286 Bool_t SelectInvMass(Int_t decay,Int_t nprongs,
287 Double_t *px,Double_t *py,Double_t *pz) const;
288 void SelectTracksAndCopyVertex(AliVEvent *event,
289 TObjArray &seleTrksArray,Int_t &nSeleTrks,
291 void SetPrimaryVertex(AliESDVertex *v1) { fV1 = v1; }
292 Bool_t SingleTrkCuts(AliESDtrack *trk,Bool_t &okDisplaced,Bool_t &okSoftPi) const;
294 ClassDef(AliAnalysisVertexingHF,10); // Reconstruction of HF decay candidates