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6a213b59 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | //---------------------------------------------------------------------------- | |
17 | // Implementation of the heavy-flavour vertexing analysis class | |
dcb444c9 | 18 | // Candidates are stored in the AOD as objects deriving from AliAODRecoDecay. |
19 | // To be used as a task of AliAnalysisManager by means of the interface | |
20 | // class AliAnalysisTaskSEVertexingHF. | |
21 | // An example of usage in the macro AliAnalysisTaskSEVertexingHFTest.C. | |
6a213b59 | 22 | // |
23 | // Origin: E.Bruna, G.E.Bruno, A.Dainese, F.Prino, R.Romita | |
b056c5e3 | 24 | // Contact: andrea.dainese@lnl.infn.it |
6a213b59 | 25 | //---------------------------------------------------------------------------- |
b82f6d67 | 26 | #include <TFile.h> |
6a213b59 | 27 | #include <TDatabasePDG.h> |
28 | #include <TString.h> | |
dcb444c9 | 29 | #include "AliLog.h" |
30 | #include "AliVEvent.h" | |
31 | #include "AliVVertex.h" | |
32 | #include "AliVTrack.h" | |
6a213b59 | 33 | #include "AliVertexerTracks.h" |
b82f6d67 | 34 | #include "AliKFParticle.h" |
dcb444c9 | 35 | #include "AliESDEvent.h" |
6a213b59 | 36 | #include "AliESDVertex.h" |
dcb444c9 | 37 | #include "AliESDtrack.h" |
b056c5e3 | 38 | #include "AliAODEvent.h" |
6a213b59 | 39 | #include "AliAODRecoDecay.h" |
40 | #include "AliAODRecoDecayHF.h" | |
41 | #include "AliAODRecoDecayHF2Prong.h" | |
42 | #include "AliAODRecoDecayHF3Prong.h" | |
43 | #include "AliAODRecoDecayHF4Prong.h" | |
44 | #include "AliAnalysisVertexingHF.h" | |
45 | ||
46 | ClassImp(AliAnalysisVertexingHF) | |
47 | ||
48 | //---------------------------------------------------------------------------- | |
49 | AliAnalysisVertexingHF::AliAnalysisVertexingHF(): | |
dcb444c9 | 50 | fInputAOD(kFALSE), |
51 | fAODMap(0), | |
b82f6d67 | 52 | fBzkG(0.), |
53 | fSecVtxWithKF(kFALSE), | |
6a213b59 | 54 | fRecoPrimVtxSkippingTrks(kFALSE), |
55 | fRmTrksFromPrimVtx(kFALSE), | |
56 | fV1(0x0), | |
b82f6d67 | 57 | fD0toKpi(kTRUE), |
58 | fJPSItoEle(kTRUE), | |
59 | f3Prong(kTRUE), | |
60 | f4Prong(kTRUE), | |
61 | fITSrefit(kFALSE), | |
62 | fBothSPD(kTRUE), | |
63 | fMinITSCls(5), | |
64 | fMinPtCut(0.), | |
65 | fMind0rphiCut(0.) | |
6a213b59 | 66 | { |
67 | // Default constructor | |
68 | ||
69 | SetD0toKpiCuts(); | |
70 | SetBtoJPSICuts(); | |
71 | SetDplusCuts(); | |
b82f6d67 | 72 | SetDsCuts(); |
73 | SetLcCuts(); | |
6a213b59 | 74 | } |
13977a79 | 75 | //-------------------------------------------------------------------------- |
76 | AliAnalysisVertexingHF::AliAnalysisVertexingHF(const AliAnalysisVertexingHF &source) : | |
77 | TNamed(source), | |
dcb444c9 | 78 | fInputAOD(source.fInputAOD), |
79 | fAODMap(source.fAODMap), | |
b82f6d67 | 80 | fBzkG(source.fBzkG), |
81 | fSecVtxWithKF(source.fSecVtxWithKF), | |
13977a79 | 82 | fRecoPrimVtxSkippingTrks(source.fRecoPrimVtxSkippingTrks), |
83 | fRmTrksFromPrimVtx(source.fRmTrksFromPrimVtx), | |
84 | fV1(source.fV1), | |
13977a79 | 85 | fD0toKpi(source.fD0toKpi), |
86 | fJPSItoEle(source.fJPSItoEle), | |
87 | f3Prong(source.f3Prong), | |
88 | f4Prong(source.f4Prong), | |
89 | fITSrefit(source.fITSrefit), | |
90 | fBothSPD(source.fBothSPD), | |
91 | fMinITSCls(source.fMinITSCls), | |
92 | fMinPtCut(source.fMinPtCut), | |
93 | fMind0rphiCut(source.fMind0rphiCut) | |
94 | { | |
95 | // | |
96 | // Copy constructor | |
97 | // | |
98 | for(Int_t i=0; i<9; i++) fD0toKpiCuts[i]=source.fD0toKpiCuts[i]; | |
99 | for(Int_t i=0; i<9; i++) fBtoJPSICuts[i]=source.fBtoJPSICuts[i]; | |
100 | for(Int_t i=0; i<12; i++) fDplusCuts[i]=source.fDplusCuts[i]; | |
81679460 | 101 | for(Int_t i=0; i<13; i++) fDsCuts[i]=source.fDsCuts[i]; |
6ea608bf | 102 | for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i]; |
13977a79 | 103 | } |
104 | //-------------------------------------------------------------------------- | |
105 | AliAnalysisVertexingHF &AliAnalysisVertexingHF::operator=(const AliAnalysisVertexingHF &source) | |
106 | { | |
107 | // | |
108 | // assignment operator | |
109 | // | |
110 | if(&source == this) return *this; | |
dcb444c9 | 111 | fInputAOD = source.fInputAOD; |
b82f6d67 | 112 | fBzkG = source.fBzkG; |
113 | fSecVtxWithKF = source.fSecVtxWithKF; | |
13977a79 | 114 | fRecoPrimVtxSkippingTrks = source.fRecoPrimVtxSkippingTrks; |
115 | fRmTrksFromPrimVtx = source.fRmTrksFromPrimVtx; | |
116 | fV1 = source.fV1; | |
13977a79 | 117 | fD0toKpi = source.fD0toKpi; |
118 | fJPSItoEle = source.fJPSItoEle; | |
119 | f3Prong = source.f3Prong; | |
120 | f4Prong = source.f4Prong; | |
121 | fITSrefit = source.fITSrefit; | |
122 | fBothSPD = source.fBothSPD; | |
123 | fMinITSCls = source.fMinITSCls; | |
124 | fMinPtCut = source.fMinPtCut; | |
125 | fMind0rphiCut = source.fMind0rphiCut; | |
126 | ||
127 | for(Int_t i=0; i<9; i++) fD0toKpiCuts[i]=source.fD0toKpiCuts[i]; | |
128 | for(Int_t i=0; i<9; i++) fBtoJPSICuts[i]=source.fBtoJPSICuts[i]; | |
129 | for(Int_t i=0; i<12; i++) fDplusCuts[i]=source.fDplusCuts[i]; | |
81679460 | 130 | for(Int_t i=0; i<13; i++) fDsCuts[i]=source.fDsCuts[i]; |
6ea608bf | 131 | for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i]; |
13977a79 | 132 | |
133 | return *this; | |
134 | } | |
6a213b59 | 135 | //---------------------------------------------------------------------------- |
136 | AliAnalysisVertexingHF::~AliAnalysisVertexingHF() { | |
137 | // Destructor | |
13977a79 | 138 | if(fV1) { delete fV1; fV1=0; } |
6a213b59 | 139 | } |
140 | //---------------------------------------------------------------------------- | |
dcb444c9 | 141 | void AliAnalysisVertexingHF::FindCandidates(AliVEvent *event, |
142 | TClonesArray *aodVerticesHFTClArr, | |
143 | TClonesArray *aodD0toKpiTClArr, | |
144 | TClonesArray *aodJPSItoEleTClArr, | |
145 | TClonesArray *aodCharm3ProngTClArr, | |
146 | TClonesArray *aodCharm4ProngTClArr) | |
b056c5e3 | 147 | { |
148 | // Find heavy-flavour vertex candidates | |
dcb444c9 | 149 | // Input: ESD or AOD |
b056c5e3 | 150 | // Output: AOD (additional branches added) |
151 | ||
dcb444c9 | 152 | |
153 | TString evtype = event->IsA()->GetName(); | |
154 | fInputAOD = ((evtype=="AliAODEvent") ? kTRUE : kFALSE); | |
155 | ||
b056c5e3 | 156 | if(!aodVerticesHFTClArr) { |
157 | printf("ERROR: no aodVerticesHFTClArr"); | |
158 | return; | |
159 | } | |
160 | if(fD0toKpi && !aodD0toKpiTClArr) { | |
161 | printf("ERROR: no aodD0toKpiTClArr"); | |
162 | return; | |
163 | } | |
164 | if(fJPSItoEle && !aodJPSItoEleTClArr) { | |
165 | printf("ERROR: no aodJPSItoEleTClArr"); | |
166 | return; | |
167 | } | |
168 | if(f3Prong && !aodCharm3ProngTClArr) { | |
169 | printf("ERROR: no aodCharm3ProngTClArr"); | |
170 | return; | |
171 | } | |
172 | if(f4Prong && !aodCharm4ProngTClArr) { | |
173 | printf("ERROR: no aodCharm4ProngTClArr"); | |
174 | return; | |
175 | } | |
176 | ||
177 | // delete candidates from previous event and create references | |
178 | Int_t iVerticesHF=0,iD0toKpi=0,iJPSItoEle=0,i3Prong=0,i4Prong=0; | |
179 | aodVerticesHFTClArr->Delete(); | |
180 | iVerticesHF = aodVerticesHFTClArr->GetEntriesFast(); | |
181 | TClonesArray &verticesHFRef = *aodVerticesHFTClArr; | |
182 | if(fD0toKpi) { | |
183 | aodD0toKpiTClArr->Delete(); | |
184 | iD0toKpi = aodD0toKpiTClArr->GetEntriesFast(); | |
185 | } | |
186 | if(fJPSItoEle) { | |
187 | aodJPSItoEleTClArr->Delete(); | |
188 | iJPSItoEle = aodJPSItoEleTClArr->GetEntriesFast(); | |
189 | } | |
190 | if(f3Prong) { | |
191 | aodCharm3ProngTClArr->Delete(); | |
192 | i3Prong = aodCharm3ProngTClArr->GetEntriesFast(); | |
193 | } | |
194 | if(f4Prong) { | |
195 | aodCharm4ProngTClArr->Delete(); | |
196 | i4Prong = aodCharm4ProngTClArr->GetEntriesFast(); | |
197 | } | |
198 | TClonesArray &aodD0toKpiRef = *aodD0toKpiTClArr; | |
199 | TClonesArray &aodJPSItoEleRef = *aodJPSItoEleTClArr; | |
200 | TClonesArray &aodCharm3ProngRef = *aodCharm3ProngTClArr; | |
201 | TClonesArray &aodCharm4ProngRef = *aodCharm4ProngTClArr; | |
202 | ||
203 | ||
204 | AliAODRecoDecayHF2Prong *io2Prong = 0; | |
205 | AliAODRecoDecayHF3Prong *io3Prong = 0; | |
206 | AliAODRecoDecayHF4Prong *io4Prong = 0; | |
207 | ||
208 | Int_t iTrkP1,iTrkP2,iTrkN1,iTrkN2,trkEntries; | |
209 | Int_t nTrksP=0,nTrksN=0; | |
210 | Double_t xdummy,ydummy,dcap1n1,dcap1n2,dcap2n1,dcap1p2,dcan1n2; | |
211 | Bool_t okD0=kFALSE,okJPSI=kFALSE,ok3Prong=kFALSE,ok4Prong=kFALSE; | |
212 | AliESDtrack *postrack1 = 0; | |
213 | AliESDtrack *postrack2 = 0; | |
214 | AliESDtrack *negtrack1 = 0; | |
215 | AliESDtrack *negtrack2 = 0; | |
216 | Double_t dcaMax = fD0toKpiCuts[1]; | |
217 | if(dcaMax < fBtoJPSICuts[1]) dcaMax=fBtoJPSICuts[1]; | |
218 | if(dcaMax < fDplusCuts[11]) dcaMax=fDplusCuts[11]; | |
dcb444c9 | 219 | AliDebug(2,Form(" dca cut set to %f cm",dcaMax)); |
b056c5e3 | 220 | |
b056c5e3 | 221 | |
dcb444c9 | 222 | // get Bz |
223 | fBzkG = (Double_t)event->GetMagneticField(); | |
b056c5e3 | 224 | |
dcb444c9 | 225 | trkEntries = (Int_t)event->GetNumberOfTracks(); |
226 | AliDebug(1,Form(" Number of tracks: %d",trkEntries)); | |
b056c5e3 | 227 | |
dcb444c9 | 228 | if(trkEntries<2 || !event->GetPrimaryVertex()) { |
b056c5e3 | 229 | return; |
230 | } | |
231 | ||
dcb444c9 | 232 | // call function that applies sigle-track selection, |
233 | // separates positives and negatives, | |
234 | // and retrieves primary vertex | |
b056c5e3 | 235 | TObjArray trksP(trkEntries/2); |
236 | TObjArray trksN(trkEntries/2); | |
dcb444c9 | 237 | SelectTracksAndCopyVertex(event,trksP,nTrksP,trksN,nTrksN); |
b056c5e3 | 238 | |
dcb444c9 | 239 | AliDebug(1,Form(" Pos. tracks: %d Neg. tracks: %d",nTrksP,nTrksN)); |
b056c5e3 | 240 | |
241 | TObjArray *twoTrackArray1 = new TObjArray(2); | |
242 | TObjArray *twoTrackArray2 = new TObjArray(2); | |
243 | TObjArray *threeTrackArray = new TObjArray(3); | |
244 | TObjArray *fourTrackArray = new TObjArray(4); | |
245 | ||
dcb444c9 | 246 | Double_t dispersion; |
247 | ||
b056c5e3 | 248 | // LOOP ON POSITIVE TRACKS |
249 | for(iTrkP1=0; iTrkP1<nTrksP; iTrkP1++) { | |
dcb444c9 | 250 | if(iTrkP1%1==0) AliDebug(1,Form(" Processing positive track number %d of %d",iTrkP1,nTrksP)); |
b056c5e3 | 251 | // get track from tracks array |
252 | postrack1 = (AliESDtrack*)trksP.UncheckedAt(iTrkP1); | |
253 | ||
254 | // LOOP ON NEGATIVE TRACKS | |
255 | for(iTrkN1=0; iTrkN1<nTrksN; iTrkN1++) { | |
dcb444c9 | 256 | if(iTrkN1%1==0) AliDebug(1,Form(" Processing negative track number %d of %d",iTrkN1,nTrksN)); |
b056c5e3 | 257 | // get track from tracks array |
258 | negtrack1 = (AliESDtrack*)trksN.UncheckedAt(iTrkN1); | |
dcb444c9 | 259 | // back to primary vertex |
260 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
261 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
b056c5e3 | 262 | // DCA between the two tracks |
263 | dcap1n1 = postrack1->GetDCA(negtrack1,fBzkG,xdummy,ydummy); | |
264 | if(dcap1n1>dcaMax) { negtrack1=0; continue; } | |
265 | // Vertexing | |
266 | twoTrackArray1->AddAt(postrack1,0); | |
267 | twoTrackArray1->AddAt(negtrack1,1); | |
dcb444c9 | 268 | AliAODVertex *vertexp1n1 = ReconstructSecondaryVertex(twoTrackArray1,dispersion); |
b056c5e3 | 269 | if(!vertexp1n1) { |
270 | twoTrackArray1->Clear(); | |
271 | negtrack1=0; | |
272 | continue; | |
273 | } | |
274 | if(fD0toKpi || fJPSItoEle) { | |
dcb444c9 | 275 | io2Prong = Make2Prong(twoTrackArray1,event,vertexp1n1,dcap1n1,okD0,okJPSI); |
b056c5e3 | 276 | if(okD0 || okJPSI) { |
dcb444c9 | 277 | AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1); |
278 | if(fInputAOD) AddDaughterRefs(v,event,twoTrackArray1); | |
279 | if(okD0) { | |
280 | AliAODRecoDecayHF2Prong *rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong); | |
281 | rd->SetSecondaryVtx(v); | |
282 | v->SetParent(rd); | |
283 | } | |
284 | if(okJPSI) { | |
285 | AliAODRecoDecayHF2Prong *rd = new(aodJPSItoEleRef[iJPSItoEle++])AliAODRecoDecayHF2Prong(*io2Prong); | |
286 | rd->SetSecondaryVtx(v); | |
287 | if(!okD0) v->SetParent(rd); // do something better here... | |
b056c5e3 | 288 | } |
289 | } | |
b056c5e3 | 290 | io2Prong=NULL; |
291 | } | |
292 | ||
293 | twoTrackArray1->Clear(); | |
294 | if(!f3Prong && !f4Prong) { | |
295 | negtrack1=0; | |
296 | delete vertexp1n1; | |
297 | continue; | |
298 | } | |
299 | ||
300 | ||
301 | // 2nd LOOP ON POSITIVE TRACKS | |
302 | for(iTrkP2=iTrkP1+1; iTrkP2<nTrksP; iTrkP2++) { | |
303 | // get track from tracks array | |
304 | postrack2 = (AliESDtrack*)trksP.UncheckedAt(iTrkP2); | |
dcb444c9 | 305 | // back to primary vertex |
306 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
307 | postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
308 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
b056c5e3 | 309 | dcap2n1 = postrack2->GetDCA(negtrack1,fBzkG,xdummy,ydummy); |
310 | if(dcap2n1>dcaMax) { postrack2=0; continue; } | |
311 | dcap1p2 = postrack2->GetDCA(postrack1,fBzkG,xdummy,ydummy); | |
312 | if(dcap1p2>dcaMax) { postrack2=0; continue; } | |
313 | ||
314 | // Vertexing | |
315 | twoTrackArray2->AddAt(postrack2,0); | |
316 | twoTrackArray2->AddAt(negtrack1,1); | |
dcb444c9 | 317 | AliAODVertex *vertexp2n1 = ReconstructSecondaryVertex(twoTrackArray2,dispersion); |
b056c5e3 | 318 | if(!vertexp2n1) { |
319 | twoTrackArray2->Clear(); | |
320 | postrack2=0; | |
321 | continue; | |
322 | } | |
323 | if(f3Prong) { | |
324 | threeTrackArray->AddAt(postrack1,0); | |
325 | threeTrackArray->AddAt(negtrack1,1); | |
326 | threeTrackArray->AddAt(postrack2,2); | |
dcb444c9 | 327 | AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion); |
328 | io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp2n1,dcap1n1,dcap2n1,dcap1p2,ok3Prong); | |
b056c5e3 | 329 | if(ok3Prong) { |
dcb444c9 | 330 | AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD); |
331 | if(fInputAOD) AddDaughterRefs(v,event,threeTrackArray); | |
332 | AliAODRecoDecayHF3Prong *rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
333 | rd->SetSecondaryVtx(v); | |
334 | v->SetParent(rd); | |
b056c5e3 | 335 | } |
dcb444c9 | 336 | if(io3Prong) io3Prong=NULL; |
b056c5e3 | 337 | } |
338 | if(f4Prong) { | |
339 | // 3rd LOOP ON NEGATIVE TRACKS (for 4 prong) | |
340 | for(iTrkN2=iTrkN1+1; iTrkN2<nTrksN; iTrkN2++) { | |
341 | // get track from tracks array | |
342 | negtrack2 = (AliESDtrack*)trksN.UncheckedAt(iTrkN2); | |
dcb444c9 | 343 | // back to primary vertex |
344 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
345 | postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
346 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
347 | negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
b056c5e3 | 348 | dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); |
349 | if(dcap1n2>dcaMax) { negtrack2=0; continue; } | |
350 | // Vertexing | |
351 | fourTrackArray->AddAt(postrack1,0); | |
352 | fourTrackArray->AddAt(negtrack1,1); | |
353 | fourTrackArray->AddAt(postrack2,2); | |
354 | fourTrackArray->AddAt(negtrack2,3); | |
dcb444c9 | 355 | AliAODVertex* secVert4PrAOD = ReconstructSecondaryVertex(fourTrackArray,dispersion); |
356 | io4Prong = Make4Prong(fourTrackArray,event,secVert4PrAOD,vertexp1n1,vertexp2n1,dcap1n1,dcap1n2,dcap2n1,ok4Prong); | |
b056c5e3 | 357 | if(ok4Prong) { |
dcb444c9 | 358 | AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert4PrAOD); |
359 | if(fInputAOD) AddDaughterRefs(v,event,fourTrackArray); | |
360 | AliAODRecoDecayHF4Prong *rd = new(aodCharm4ProngRef[i4Prong++])AliAODRecoDecayHF4Prong(*io4Prong); | |
361 | rd->SetSecondaryVtx(v); | |
362 | v->SetParent(rd); | |
b056c5e3 | 363 | } |
dcb444c9 | 364 | if(io4Prong) io4Prong=NULL; |
b056c5e3 | 365 | fourTrackArray->Clear(); |
366 | negtrack2 = 0; | |
367 | } // end loop on negative tracks | |
368 | } | |
369 | postrack2 = 0; | |
370 | delete vertexp2n1; | |
371 | } // end 2nd loop on positive tracks | |
372 | twoTrackArray2->Clear(); | |
373 | ||
374 | // 2nd LOOP ON NEGATIVE TRACKS | |
375 | for(iTrkN2=iTrkN1+1; iTrkN2<nTrksN; iTrkN2++) { | |
376 | // get track from tracks array | |
377 | negtrack2 = (AliESDtrack*)trksN.UncheckedAt(iTrkN2); | |
dcb444c9 | 378 | // back to primary vertex |
379 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
380 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
381 | negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
b056c5e3 | 382 | dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); |
383 | if(dcap1n2>dcaMax) { negtrack2=0; continue; } | |
384 | dcan1n2 = negtrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); | |
385 | if(dcan1n2>dcaMax) { negtrack2=0; continue; } | |
386 | ||
387 | // Vertexing | |
388 | twoTrackArray2->AddAt(postrack1,0); | |
389 | twoTrackArray2->AddAt(negtrack2,1); | |
dcb444c9 | 390 | |
391 | AliAODVertex *vertexp1n2 = ReconstructSecondaryVertex(twoTrackArray2,dispersion); | |
b056c5e3 | 392 | if(!vertexp1n2) { |
393 | twoTrackArray2->Clear(); | |
394 | negtrack2=0; | |
395 | continue; | |
396 | } | |
397 | if(f3Prong) { | |
398 | threeTrackArray->AddAt(negtrack1,0); | |
399 | threeTrackArray->AddAt(postrack1,1); | |
400 | threeTrackArray->AddAt(negtrack2,2); | |
dcb444c9 | 401 | AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion); |
402 | io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp1n2,dcap1n1,dcap1n2,dcan1n2,ok3Prong); | |
b056c5e3 | 403 | if(ok3Prong) { |
dcb444c9 | 404 | AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD); |
405 | if(fInputAOD) AddDaughterRefs(v,event,threeTrackArray); | |
406 | AliAODRecoDecayHF3Prong *rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
407 | rd->SetSecondaryVtx(v); | |
408 | v->SetParent(rd); | |
b056c5e3 | 409 | } |
dcb444c9 | 410 | if(io3Prong) io3Prong=NULL; |
b056c5e3 | 411 | } |
412 | negtrack2 = 0; | |
413 | delete vertexp1n2; | |
414 | } // end 2nd loop on negative tracks | |
415 | twoTrackArray2->Clear(); | |
416 | ||
417 | negtrack1 = 0; | |
418 | delete vertexp1n1; | |
419 | } // end 1st loop on negative tracks | |
420 | ||
421 | postrack1 = 0; | |
422 | } // end 1st loop on positive tracks | |
423 | ||
424 | ||
425 | if(fD0toKpi) { | |
dcb444c9 | 426 | AliDebug(1,Form(" D0->Kpi in event = %d;", |
427 | (Int_t)aodD0toKpiTClArr->GetEntriesFast())); | |
b056c5e3 | 428 | } |
429 | if(fJPSItoEle) { | |
dcb444c9 | 430 | AliDebug(1,Form(" JPSI->ee in event = %d;", |
431 | (Int_t)aodJPSItoEleTClArr->GetEntriesFast())); | |
b056c5e3 | 432 | } |
433 | if(f3Prong) { | |
dcb444c9 | 434 | AliDebug(1,Form(" Charm->3Prong in event = %d;", |
435 | (Int_t)aodCharm3ProngTClArr->GetEntriesFast())); | |
b056c5e3 | 436 | } |
437 | if(f4Prong) { | |
dcb444c9 | 438 | AliDebug(1,Form(" Charm->4Prong in event = %d;\n", |
439 | (Int_t)aodCharm4ProngTClArr->GetEntriesFast())); | |
b056c5e3 | 440 | } |
441 | ||
442 | ||
dcb444c9 | 443 | twoTrackArray1->Delete(); delete twoTrackArray1; |
444 | twoTrackArray2->Delete(); delete twoTrackArray2; | |
b056c5e3 | 445 | threeTrackArray->Clear(); |
446 | threeTrackArray->Delete(); delete threeTrackArray; | |
dcb444c9 | 447 | fourTrackArray->Delete(); delete fourTrackArray; |
b056c5e3 | 448 | |
dcb444c9 | 449 | if(fInputAOD) { |
450 | trksP.Delete(); | |
451 | trksN.Delete(); | |
452 | } | |
b056c5e3 | 453 | |
454 | return; | |
455 | } | |
456 | //---------------------------------------------------------------------------- | |
dcb444c9 | 457 | void AliAnalysisVertexingHF::AddDaughterRefs(AliAODVertex *v,AliVEvent *event, |
458 | TObjArray *trkArray) const | |
6a213b59 | 459 | { |
dcb444c9 | 460 | // Add the AOD tracks as daughters of the vertex (TRef) |
6a213b59 | 461 | |
dcb444c9 | 462 | Int_t nTrks = trkArray->GetEntriesFast(); |
6a213b59 | 463 | |
dcb444c9 | 464 | AliESDtrack *esdTrack = 0; |
465 | AliAODTrack *aodTrack = 0; | |
466 | Int_t id; | |
6a213b59 | 467 | |
dcb444c9 | 468 | for(Int_t i=0; i<nTrks; i++) { |
469 | esdTrack = (AliESDtrack*)trkArray->UncheckedAt(i); | |
470 | id = (Int_t)esdTrack->GetID(); | |
471 | aodTrack = (AliAODTrack*)event->GetTrack(fAODMap[id]); | |
472 | v->AddDaughter(aodTrack); | |
6a213b59 | 473 | } |
6a213b59 | 474 | |
475 | return; | |
dcb444c9 | 476 | } |
6a213b59 | 477 | //---------------------------------------------------------------------------- |
478 | AliAODRecoDecayHF2Prong *AliAnalysisVertexingHF::Make2Prong( | |
dcb444c9 | 479 | TObjArray *twoTrackArray1,AliVEvent *event, |
480 | AliAODVertex *secVert,Double_t dca, | |
6a213b59 | 481 | Bool_t &okD0,Bool_t &okJPSI) const |
482 | { | |
483 | // Make 2Prong candidates and check if they pass D0toKpi or BtoJPSI | |
484 | // reconstruction cuts | |
485 | // G.E.Bruno (J/psi), A.Dainese (D0->Kpi) | |
486 | ||
487 | okD0=kFALSE; okJPSI=kFALSE; | |
488 | ||
489 | Double_t px[2],py[2],pz[2],d0[2],d0err[2]; | |
6a213b59 | 490 | |
491 | AliESDtrack *postrack = (AliESDtrack*)twoTrackArray1->UncheckedAt(0); | |
492 | AliESDtrack *negtrack = (AliESDtrack*)twoTrackArray1->UncheckedAt(1); | |
493 | ||
494 | // propagate tracks to secondary vertex, to compute inv. mass | |
dcb444c9 | 495 | postrack->PropagateToDCA(secVert,fBzkG,kVeryBig); |
496 | negtrack->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 497 | |
498 | Double_t momentum[3]; | |
499 | postrack->GetPxPyPz(momentum); | |
500 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
501 | negtrack->GetPxPyPz(momentum); | |
502 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
503 | ||
504 | ||
505 | // invariant mass cut (try to improve coding here..) | |
506 | Bool_t okMassCut=kFALSE; | |
dcb444c9 | 507 | if(!okMassCut && fD0toKpi) if(SelectInvMass(0,2,px,py,pz)) okMassCut=kTRUE; |
6a213b59 | 508 | if(!okMassCut && fJPSItoEle) if(SelectInvMass(1,2,px,py,pz)) okMassCut=kTRUE; |
509 | if(!okMassCut) { | |
dcb444c9 | 510 | AliDebug(2," candidate didn't pass mass cut"); |
6a213b59 | 511 | return 0x0; |
512 | } | |
513 | ||
dcb444c9 | 514 | // primary vertex to be used by this candidate |
515 | AliAODVertex *primVertexAOD = OwnPrimaryVertex(twoTrackArray1,event); | |
516 | if(!primVertexAOD) return 0x0; | |
6a213b59 | 517 | |
dcb444c9 | 518 | Double_t d0z0[2],covd0z0[3]; |
519 | postrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
6a213b59 | 520 | d0[0] = d0z0[0]; |
521 | d0err[0] = TMath::Sqrt(covd0z0[0]); | |
dcb444c9 | 522 | negtrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); |
6a213b59 | 523 | d0[1] = d0z0[0]; |
524 | d0err[1] = TMath::Sqrt(covd0z0[0]); | |
525 | ||
526 | // create the object AliAODRecoDecayHF2Prong | |
dcb444c9 | 527 | AliAODRecoDecayHF2Prong *the2Prong = new AliAODRecoDecayHF2Prong(secVert,px,py,pz,d0,d0err,dca); |
6a213b59 | 528 | the2Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 529 | UShort_t id[2]={(UShort_t)postrack->GetID(),(UShort_t)negtrack->GetID()}; |
530 | the2Prong->SetProngIDs(2,id); | |
6a213b59 | 531 | |
b056c5e3 | 532 | |
6a213b59 | 533 | // select D0->Kpi |
534 | Int_t checkD0,checkD0bar; | |
535 | if(fD0toKpi) okD0 = the2Prong->SelectD0(fD0toKpiCuts,checkD0,checkD0bar); | |
536 | //if(fDebug && fD0toKpi) printf(" %d\n",(Int_t)okD0); | |
537 | // select J/psi from B | |
538 | Int_t checkJPSI; | |
539 | if(fJPSItoEle) okJPSI = the2Prong->SelectBtoJPSI(fBtoJPSICuts,checkJPSI); | |
540 | //if(fDebug && fJPSItoEle) printf(" %d\n",(Int_t)okJPSI); | |
541 | ||
dcb444c9 | 542 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the2Prong->UnsetOwnPrimaryVtx(); |
6a213b59 | 543 | |
544 | if(okD0 || okJPSI) { | |
545 | // get PID info from ESD | |
546 | Double_t esdpid0[5]; | |
547 | postrack->GetESDpid(esdpid0); | |
548 | Double_t esdpid1[5]; | |
549 | negtrack->GetESDpid(esdpid1); | |
550 | Double_t esdpid[10]; | |
551 | for(Int_t i=0;i<5;i++) { | |
552 | esdpid[i] = esdpid0[i]; | |
553 | esdpid[5+i] = esdpid1[i]; | |
554 | } | |
555 | the2Prong->SetPID(2,esdpid); | |
556 | } | |
557 | ||
6a213b59 | 558 | return the2Prong; |
559 | } | |
560 | //---------------------------------------------------------------------------- | |
561 | AliAODRecoDecayHF3Prong* AliAnalysisVertexingHF::Make3Prong( | |
dcb444c9 | 562 | TObjArray *threeTrackArray,AliVEvent *event, |
563 | AliAODVertex *secVert,Double_t dispersion, | |
564 | AliAODVertex *vertexp1n1,AliAODVertex *vertexp2n1, | |
6a213b59 | 565 | Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2, |
566 | Bool_t &ok3Prong) const | |
567 | { | |
568 | // Make 3Prong candidates and check if they pass Dplus or Ds or Lambdac | |
569 | // reconstruction cuts | |
570 | // E.Bruna, F.Prino | |
571 | ||
dcb444c9 | 572 | |
6a213b59 | 573 | ok3Prong=kFALSE; |
dcb444c9 | 574 | if(!secVert) return 0x0; |
575 | ||
576 | Double_t px[3],py[3],pz[3],d0[3],d0err[3]; | |
577 | Double_t momentum[3]; | |
6a213b59 | 578 | |
6a213b59 | 579 | |
580 | AliESDtrack *postrack1 = (AliESDtrack*)threeTrackArray->UncheckedAt(0); | |
dcb444c9 | 581 | AliESDtrack *negtrack = (AliESDtrack*)threeTrackArray->UncheckedAt(1); |
6a213b59 | 582 | AliESDtrack *postrack2 = (AliESDtrack*)threeTrackArray->UncheckedAt(2); |
583 | ||
dcb444c9 | 584 | postrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); |
585 | negtrack->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
586 | postrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 587 | postrack1->GetPxPyPz(momentum); |
588 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
589 | negtrack->GetPxPyPz(momentum); | |
590 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
591 | postrack2->GetPxPyPz(momentum); | |
592 | px[2] = momentum[0]; py[2] = momentum[1]; pz[2] = momentum[2]; | |
593 | ||
b82f6d67 | 594 | // invariant mass cut for D+, Ds, Lc |
6a213b59 | 595 | Bool_t okMassCut=kFALSE; |
596 | if(!okMassCut && f3Prong) if(SelectInvMass(2,3,px,py,pz)) okMassCut=kTRUE; | |
597 | if(!okMassCut) { | |
dcb444c9 | 598 | AliDebug(2," candidate didn't pass mass cut"); |
6a213b59 | 599 | return 0x0; |
600 | } | |
601 | ||
dcb444c9 | 602 | // primary vertex to be used by this candidate |
603 | AliAODVertex *primVertexAOD = OwnPrimaryVertex(threeTrackArray,event); | |
604 | if(!primVertexAOD) return 0x0; | |
605 | ||
606 | Double_t d0z0[2],covd0z0[3]; | |
607 | postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
608 | d0[0]=d0z0[0]; | |
609 | d0err[0] = TMath::Sqrt(covd0z0[0]); | |
610 | negtrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
611 | d0[1]=d0z0[0]; | |
612 | d0err[1] = TMath::Sqrt(covd0z0[0]); | |
613 | postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
614 | d0[2]=d0z0[0]; | |
615 | d0err[2] = TMath::Sqrt(covd0z0[0]); | |
6a213b59 | 616 | |
6a213b59 | 617 | |
618 | // create the object AliAODRecoDecayHF3Prong | |
dcb444c9 | 619 | Double_t pos[3]; primVertexAOD->GetXYZ(pos); |
6a213b59 | 620 | Double_t dca[3]={dcap1n1,dcap2n1,dcap1p2}; |
dcb444c9 | 621 | Double_t dist12=TMath::Sqrt((vertexp1n1->GetX()-pos[0])*(vertexp1n1->GetX()-pos[0])+(vertexp1n1->GetY()-pos[1])*(vertexp1n1->GetY()-pos[1])+(vertexp1n1->GetZ()-pos[2])*(vertexp1n1->GetZ()-pos[2])); |
622 | Double_t dist23=TMath::Sqrt((vertexp2n1->GetX()-pos[0])*(vertexp2n1->GetX()-pos[0])+(vertexp2n1->GetY()-pos[1])*(vertexp2n1->GetY()-pos[1])+(vertexp2n1->GetZ()-pos[2])*(vertexp2n1->GetZ()-pos[2])); | |
623 | Short_t charge=(Short_t)(postrack1->Charge()*postrack2->Charge()*negtrack->Charge()); | |
624 | AliAODRecoDecayHF3Prong *the3Prong = new AliAODRecoDecayHF3Prong(secVert,px,py,pz,d0,d0err,dca,dispersion,dist12,dist23,charge); | |
6a213b59 | 625 | the3Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 626 | UShort_t id[3]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack->GetID(),(UShort_t)postrack2->GetID()}; |
627 | the3Prong->SetProngIDs(3,id); | |
6a213b59 | 628 | |
629 | ||
b82f6d67 | 630 | // select D+->Kpipi, Ds->KKpi, Lc->pKpi |
631 | if(f3Prong) { | |
632 | ok3Prong = kFALSE; | |
633 | Int_t ok1,ok2; | |
634 | if(the3Prong->SelectDplus(fDplusCuts)) ok3Prong = kTRUE; | |
635 | if(the3Prong->SelectDs(fDsCuts,ok1,ok2)) ok3Prong = kTRUE; | |
636 | if(the3Prong->SelectLc(fLcCuts,ok1,ok2)) ok3Prong = kTRUE; | |
637 | } | |
6a213b59 | 638 | //if(fDebug) printf("ok3Prong: %d\n",(Int_t)ok3Prong); |
dcb444c9 | 639 | |
640 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the3Prong->UnsetOwnPrimaryVtx(); | |
641 | ||
6a213b59 | 642 | if(ok3Prong) { |
643 | // get PID info from ESD | |
644 | Double_t esdpid0[5]; | |
645 | postrack1->GetESDpid(esdpid0); | |
646 | Double_t esdpid1[5]; | |
647 | negtrack->GetESDpid(esdpid1); | |
648 | Double_t esdpid2[5]; | |
649 | postrack2->GetESDpid(esdpid2); | |
650 | ||
6a213b59 | 651 | Double_t esdpid[15]; |
652 | for(Int_t i=0;i<5;i++) { | |
653 | esdpid[i] = esdpid0[i]; | |
654 | esdpid[5+i] = esdpid1[i]; | |
655 | esdpid[10+i] = esdpid2[i]; | |
656 | } | |
657 | the3Prong->SetPID(3,esdpid); | |
658 | } | |
659 | ||
6a213b59 | 660 | return the3Prong; |
661 | } | |
662 | //---------------------------------------------------------------------------- | |
663 | AliAODRecoDecayHF4Prong* AliAnalysisVertexingHF::Make4Prong( | |
dcb444c9 | 664 | TObjArray *fourTrackArray,AliVEvent *event, |
665 | AliAODVertex *secVert, | |
666 | AliAODVertex *vertexp1n1,AliAODVertex *vertexp2n1, | |
6a213b59 | 667 | Double_t dcap1n1,Double_t dcap1n2,Double_t dcap2n1, |
668 | Bool_t &ok4Prong) const | |
669 | { | |
670 | // Make 4Prong candidates and check if they pass D0toKpipipi | |
671 | // reconstruction cuts | |
672 | // G.E.Bruno, R.Romita | |
673 | ||
674 | ok4Prong=kFALSE; | |
dcb444c9 | 675 | if(!secVert) return 0x0; |
6a213b59 | 676 | |
677 | Double_t px[4],py[4],pz[4],d0[4],d0err[4];//d0z[3]; | |
6a213b59 | 678 | |
b82f6d67 | 679 | px[0]=dcap1n1*dcap1n2*dcap2n1; // TO BE CHANGED (done just to removed compilation warning about dca... not used) |
6a213b59 | 680 | |
6a213b59 | 681 | AliESDtrack *postrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(0); |
682 | AliESDtrack *negtrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(1); | |
683 | AliESDtrack *postrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(2); | |
684 | AliESDtrack *negtrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(3); | |
685 | ||
dcb444c9 | 686 | postrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); |
687 | negtrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
688 | postrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
689 | negtrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 690 | |
691 | Double_t momentum[3]; | |
692 | postrack1->GetPxPyPz(momentum); | |
693 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
694 | negtrack1->GetPxPyPz(momentum); | |
695 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
696 | postrack2->GetPxPyPz(momentum); | |
697 | px[2] = momentum[0]; py[2] = momentum[1]; pz[2] = momentum[2]; | |
698 | negtrack2->GetPxPyPz(momentum); | |
699 | px[3] = momentum[0]; py[3] = momentum[1]; pz[3] = momentum[2]; | |
700 | ||
701 | // invariant mass cut for rho or D0 (try to improve coding here..) | |
702 | //Bool_t okMassCut=kFALSE; | |
703 | //if(!okMassCut) if(SelectInvMass(2,3,px,py,pz)) okMassCut=kTRUE; | |
704 | //if(!okMassCut) { | |
705 | // if(fDebug) printf(" candidate didn't pass mass cut\n"); | |
706 | // return 0x0; | |
707 | //} | |
708 | ||
dcb444c9 | 709 | // primary vertex to be used by this candidate |
710 | AliAODVertex *primVertexAOD = OwnPrimaryVertex(fourTrackArray,event); | |
711 | if(!primVertexAOD) return 0x0; | |
712 | ||
713 | /* | |
714 | Double_t d0z0[2],covd0z0[3]; | |
715 | postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
716 | negtrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
717 | postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
718 | negtrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
719 | */ | |
6a213b59 | 720 | |
721 | // create the object AliAODRecoDecayHF4Prong | |
dcb444c9 | 722 | Double_t pos[3]; primVertexAOD->GetXYZ(pos); |
6a213b59 | 723 | Double_t dca[6]={0.,0.,0.,0.,0.,0.}; // modify it |
dcb444c9 | 724 | Double_t dist12=TMath::Sqrt((vertexp1n1->GetX()-pos[0])*(vertexp1n1->GetX()-pos[0])+(vertexp1n1->GetY()-pos[1])*(vertexp1n1->GetY()-pos[1])+(vertexp1n1->GetZ()-pos[2])*(vertexp1n1->GetZ()-pos[2])); |
725 | Double_t dist23=TMath::Sqrt((vertexp2n1->GetX()-pos[0])*(vertexp2n1->GetX()-pos[0])+(vertexp2n1->GetY()-pos[1])*(vertexp2n1->GetY()-pos[1])+(vertexp2n1->GetZ()-pos[2])*(vertexp2n1->GetZ()-pos[2])); | |
6a213b59 | 726 | Double_t dist14=0.; // to be implemented |
727 | Double_t dist34=0.; // to be implemented | |
dcb444c9 | 728 | Short_t charge=0; |
729 | AliAODRecoDecayHF4Prong *the4Prong = new AliAODRecoDecayHF4Prong(secVert,px,py,pz,d0,d0err,dca,dist12,dist23,dist14,dist34,charge); | |
6a213b59 | 730 | the4Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 731 | UShort_t id[4]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack1->GetID(),(UShort_t)postrack2->GetID(),(UShort_t)negtrack2->GetID()}; |
732 | the4Prong->SetProngIDs(4,id); | |
6a213b59 | 733 | |
734 | ||
735 | // use the following two lines once AliAODRecoDecayHF4Prong::SelectD0 is available | |
736 | // select D0->Kpipipi | |
737 | //Int_t checkD0,checkD0bar; | |
738 | // ok4Prong=the4Prong->SelectD0(fD04pCuts,checkD0,checkD0bar); | |
739 | ok4Prong=kFALSE; //for the time being ... | |
740 | ||
dcb444c9 | 741 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the4Prong->UnsetOwnPrimaryVtx(); |
6a213b59 | 742 | |
743 | // get PID info from ESD | |
744 | Double_t esdpid0[5]; | |
745 | postrack1->GetESDpid(esdpid0); | |
746 | Double_t esdpid1[5]; | |
747 | negtrack1->GetESDpid(esdpid1); | |
748 | Double_t esdpid2[5]; | |
749 | postrack2->GetESDpid(esdpid2); | |
750 | Double_t esdpid3[5]; | |
751 | negtrack2->GetESDpid(esdpid3); | |
752 | ||
753 | Double_t esdpid[20]; | |
754 | for(Int_t i=0;i<5;i++) { | |
755 | esdpid[i] = esdpid0[i]; | |
756 | esdpid[5+i] = esdpid1[i]; | |
757 | esdpid[10+i] = esdpid2[i]; | |
758 | esdpid[15+i] = esdpid3[i]; | |
759 | } | |
760 | the4Prong->SetPID(4,esdpid); | |
761 | ||
6a213b59 | 762 | return the4Prong; |
763 | } | |
764 | //----------------------------------------------------------------------------- | |
dcb444c9 | 765 | AliAODVertex* AliAnalysisVertexingHF::OwnPrimaryVertex(TObjArray *trkArray, |
766 | AliVEvent *event) const | |
6a213b59 | 767 | { |
768 | // Returns primary vertex specific to this candidate | |
769 | ||
dcb444c9 | 770 | AliESDVertex *vertexESD = 0; |
771 | AliAODVertex *vertexAOD = 0; | |
772 | ||
773 | Int_t nTrks = trkArray->GetEntriesFast(); | |
774 | ||
775 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) { | |
776 | // primary vertex from the input event | |
777 | ||
778 | vertexESD = new AliESDVertex(*fV1); | |
779 | ||
780 | } else { | |
781 | // primary vertex specific to this candidate | |
782 | ||
783 | AliVertexerTracks *vertexer = new AliVertexerTracks(event->GetMagneticField()); | |
784 | ||
785 | if(fRecoPrimVtxSkippingTrks) { | |
786 | // recalculating the vertex | |
787 | ||
788 | if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraint")) { | |
789 | Float_t diamondcovxy[3]; | |
790 | event->GetDiamondCovXY(diamondcovxy); | |
791 | Double_t pos[3]={event->GetDiamondX(),event->GetDiamondY(),0.}; | |
792 | Double_t cov[6]={diamondcovxy[0],diamondcovxy[1],diamondcovxy[2],0.,0.,10.}; | |
793 | AliESDVertex *diamond = new AliESDVertex(pos,cov,1.,1); | |
794 | vertexer->SetVtxStart(diamond); | |
795 | delete diamond; diamond=NULL; | |
796 | if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraintOnlyFitter")) | |
797 | vertexer->SetOnlyFitter(); | |
798 | } | |
799 | Int_t skipped[10]; | |
800 | AliESDtrack *t = 0; | |
801 | for(Int_t i=0; i<nTrks; i++) { | |
802 | t = (AliESDtrack*)trkArray->UncheckedAt(i); | |
803 | skipped[i] = (Int_t)t->GetID(); | |
804 | } | |
805 | vertexer->SetSkipTracks(nTrks,skipped); | |
806 | vertexESD = (AliESDVertex*)vertexer->FindPrimaryVertex(event); | |
807 | ||
808 | } else if(fRmTrksFromPrimVtx) { | |
809 | // removing the prongs tracks | |
810 | ||
811 | TObjArray rmArray(nTrks); | |
812 | UShort_t *rmId = new UShort_t[nTrks]; | |
813 | AliESDtrack *esdTrack = 0; | |
814 | AliESDtrack *t = 0; | |
815 | for(Int_t i=0; i<nTrks; i++) { | |
816 | t = (AliESDtrack*)trkArray->UncheckedAt(i); | |
817 | esdTrack = new AliESDtrack(*t); | |
818 | rmArray.AddLast(esdTrack); | |
819 | rmId[i]=(UShort_t)esdTrack->GetID(); | |
820 | } | |
821 | Float_t diamondxy[2]={event->GetDiamondX(),event->GetDiamondY()}; | |
822 | vertexESD = vertexer->RemoveTracksFromVertex(fV1,&rmArray,rmId,diamondxy); | |
823 | delete [] rmId; rmId=NULL; | |
824 | rmArray.Delete(); | |
825 | ||
6a213b59 | 826 | } |
6a213b59 | 827 | |
dcb444c9 | 828 | if(!vertexESD) return vertexAOD; |
829 | if(vertexESD->GetNContributors()<=0) { | |
830 | AliDebug(2,"vertexing failed"); | |
831 | delete vertexESD; vertexESD=NULL; | |
832 | return vertexAOD; | |
6a213b59 | 833 | } |
dcb444c9 | 834 | |
835 | delete vertexer; vertexer=NULL; | |
836 | ||
6a213b59 | 837 | } |
838 | ||
dcb444c9 | 839 | // convert to AliAODVertex |
840 | Double_t pos[3],cov[6],chi2perNDF; | |
841 | vertexESD->GetXYZ(pos); // position | |
842 | vertexESD->GetCovMatrix(cov); //covariance matrix | |
843 | chi2perNDF = vertexESD->GetChi2toNDF(); | |
844 | delete vertexESD; vertexESD=NULL; | |
845 | ||
846 | vertexAOD = new AliAODVertex(pos,cov,chi2perNDF); | |
6a213b59 | 847 | |
dcb444c9 | 848 | return vertexAOD; |
6a213b59 | 849 | } |
850 | //----------------------------------------------------------------------------- | |
851 | void AliAnalysisVertexingHF::PrintStatus() const { | |
852 | // Print parameters being used | |
853 | ||
854 | printf("Preselections:\n"); | |
855 | printf(" fITSrefit = %d\n",(Int_t)fITSrefit); | |
856 | printf(" fBothSPD = %d\n",(Int_t)fBothSPD); | |
857 | printf(" fMinITSCls = %d\n",fMinITSCls); | |
858 | printf(" fMinPtCut = %f GeV/c\n",fMinPtCut); | |
859 | printf(" fMind0rphiCut = %f cm\n",fMind0rphiCut); | |
4d5c9633 | 860 | if(fSecVtxWithKF) { |
861 | printf("Secondary vertex with Kalman filter package (AliKFParticle)\n"); | |
862 | } else { | |
863 | printf("Secondary vertex with AliVertexerTracks\n"); | |
864 | } | |
6a213b59 | 865 | if(fRecoPrimVtxSkippingTrks) printf("RecoPrimVtxSkippingTrks\n"); |
866 | if(fRmTrksFromPrimVtx) printf("RmTrksFromPrimVtx\n"); | |
867 | if(fD0toKpi) { | |
868 | printf("Reconstruct D0->Kpi candidates with cuts:\n"); | |
869 | printf(" |M-MD0| [GeV] < %f\n",fD0toKpiCuts[0]); | |
870 | printf(" dca [cm] < %f\n",fD0toKpiCuts[1]); | |
871 | printf(" cosThetaStar < %f\n",fD0toKpiCuts[2]); | |
872 | printf(" pTK [GeV/c] > %f\n",fD0toKpiCuts[3]); | |
873 | printf(" pTpi [GeV/c] > %f\n",fD0toKpiCuts[4]); | |
874 | printf(" |d0K| [cm] < %f\n",fD0toKpiCuts[5]); | |
875 | printf(" |d0pi| [cm] < %f\n",fD0toKpiCuts[6]); | |
876 | printf(" d0d0 [cm^2] < %f\n",fD0toKpiCuts[7]); | |
877 | printf(" cosThetaPoint > %f\n",fD0toKpiCuts[8]); | |
878 | } | |
879 | if(fJPSItoEle) { | |
880 | printf("Reconstruct J/psi from B candidates with cuts:\n"); | |
881 | printf(" |M-MJPSI| [GeV] < %f\n",fBtoJPSICuts[0]); | |
882 | printf(" dca [cm] < %f\n",fBtoJPSICuts[1]); | |
883 | printf(" cosThetaStar < %f\n",fBtoJPSICuts[2]); | |
884 | printf(" pTP [GeV/c] > %f\n",fBtoJPSICuts[3]); | |
885 | printf(" pTN [GeV/c] > %f\n",fBtoJPSICuts[4]); | |
886 | printf(" |d0P| [cm] < %f\n",fBtoJPSICuts[5]); | |
887 | printf(" |d0N| [cm] < %f\n",fBtoJPSICuts[6]); | |
888 | printf(" d0d0 [cm^2] < %f\n",fBtoJPSICuts[7]); | |
889 | printf(" cosThetaPoint > %f\n",fBtoJPSICuts[8]); | |
890 | } | |
891 | if(f3Prong) { | |
892 | printf("Reconstruct 3 prong candidates.\n"); | |
4d5c9633 | 893 | printf(" D+->Kpipi cuts:\n"); |
6a213b59 | 894 | printf(" |M-MD+| [GeV] < %f\n",fDplusCuts[0]); |
895 | printf(" pTK [GeV/c] > %f\n",fDplusCuts[1]); | |
896 | printf(" pTPi [GeV/c] > %f\n",fDplusCuts[2]); | |
897 | printf(" |d0K| [cm] > %f\n",fDplusCuts[3]); | |
898 | printf(" |d0Pi| [cm] > %f\n",fDplusCuts[4]); | |
899 | printf(" dist12 [cm] < %f\n",fDplusCuts[5]); | |
900 | printf(" sigmavert [cm] < %f\n",fDplusCuts[6]); | |
901 | printf(" dist prim-sec [cm] > %f\n",fDplusCuts[7]); | |
902 | printf(" pM=Max{pT1,pT2,pT3} [GeV/c] > %f\n",fDplusCuts[8]); | |
903 | printf(" cosThetaPoint > %f\n",fDplusCuts[9]); | |
904 | printf(" Sum d0^2 [cm^2] > %f\n",fDplusCuts[10]); | |
905 | printf(" dca cut [cm] < %f\n",fDplusCuts[11]); | |
4d5c9633 | 906 | printf(" Ds->KKpi cuts:\n"); |
907 | printf(" |M-MDs| [GeV] < %f\n",fDsCuts[0]); | |
81679460 | 908 | printf(" pTK [GeV/c] > %f\n",fDsCuts[1]); |
909 | printf(" pTPi [GeV/c] > %f\n",fDsCuts[2]); | |
910 | printf(" |d0K| [cm] > %f\n",fDsCuts[3]); | |
911 | printf(" |d0Pi| [cm] > %f\n",fDsCuts[4]); | |
912 | printf(" dist12 [cm] < %f\n",fDsCuts[5]); | |
913 | printf(" sigmavert [cm] < %f\n",fDsCuts[6]); | |
914 | printf(" dist prim-sec [cm] > %f\n",fDsCuts[7]); | |
915 | printf(" pM=Max{pT1,pT2,pT3} [GeV/c] > %f\n",fDsCuts[8]); | |
916 | printf(" cosThetaPoint > %f\n",fDsCuts[9]); | |
917 | printf(" Sum d0^2 [cm^2] > %f\n",fDsCuts[10]); | |
918 | printf(" dca cut [cm] < %f\n",fDsCuts[11]); | |
919 | printf(" Inv. Mass phi/K0* [GeV] < %f\n",fDsCuts[12]); | |
6ea608bf | 920 | printf(" Lc->pKpi cuts:\n"); |
921 | printf(" |M-MLc| [GeV] < %f\n",fLcCuts[0]); | |
81679460 | 922 | printf(" pTP [GeV/c] > %f\n",fLcCuts[1]); |
923 | printf(" pTPi and pTK [GeV/c] > %f\n",fLcCuts[2]); | |
924 | printf(" |d0P| [cm] > %f\n",fLcCuts[3]); | |
925 | printf(" |d0Pi| and |d0K| [cm] > %f\n",fLcCuts[4]); | |
926 | printf(" dist12 [cm] < %f\n",fLcCuts[5]); | |
927 | printf(" sigmavert [cm] < %f\n",fLcCuts[6]); | |
928 | printf(" dist prim-sec [cm] > %f\n",fLcCuts[7]); | |
929 | printf(" pM=Max{pT1,pT2,pT3} [GeV/c] > %f\n",fLcCuts[8]); | |
930 | printf(" cosThetaPoint > %f\n",fLcCuts[9]); | |
931 | printf(" Sum d0^2 [cm^2] > %f\n",fLcCuts[10]); | |
932 | printf(" dca cut [cm] < %f\n",fLcCuts[11]); | |
6ea608bf | 933 | printf(" Ds->KKpi cuts:\n"); |
6a213b59 | 934 | } |
935 | ||
936 | return; | |
937 | } | |
938 | //----------------------------------------------------------------------------- | |
dcb444c9 | 939 | AliAODVertex* AliAnalysisVertexingHF::ReconstructSecondaryVertex(TObjArray *trkArray, |
940 | Double_t &dispersion) const | |
941 | { | |
942 | // Secondary vertex reconstruction with AliVertexerTracks or AliKFParticle | |
943 | ||
944 | AliESDVertex *vertexESD = 0; | |
945 | AliAODVertex *vertexAOD = 0; | |
946 | ||
947 | if(!fSecVtxWithKF) { // AliVertexerTracks | |
948 | ||
949 | AliVertexerTracks *vertexer = new AliVertexerTracks(fBzkG); | |
950 | vertexer->SetVtxStart(fV1); | |
951 | vertexESD = (AliESDVertex*)vertexer->VertexForSelectedESDTracks(trkArray); | |
952 | delete vertexer; vertexer=NULL; | |
953 | ||
954 | if(!vertexESD) return vertexAOD; | |
955 | ||
956 | if(vertexESD->GetNContributors()!=trkArray->GetEntriesFast()) { | |
957 | AliDebug(2,"vertexing failed"); | |
958 | delete vertexESD; vertexESD=NULL; | |
959 | return vertexAOD; | |
960 | } | |
961 | ||
962 | } else { // Kalman Filter vertexer (AliKFParticle) | |
963 | ||
964 | AliKFParticle::SetField(fBzkG); | |
965 | ||
966 | AliKFParticle vertexKF; | |
967 | ||
968 | Int_t nTrks = trkArray->GetEntriesFast(); | |
969 | for(Int_t i=0; i<nTrks; i++) { | |
970 | AliESDtrack *esdTrack = (AliESDtrack*)trkArray->At(i); | |
971 | AliKFParticle daughterKF(*esdTrack,211); | |
972 | vertexKF.AddDaughter(daughterKF); | |
973 | } | |
974 | vertexESD = new AliESDVertex(); | |
975 | vertexKF.CopyToESDVertex(*vertexESD); | |
976 | ||
977 | } | |
978 | ||
979 | // convert to AliAODVertex | |
980 | Double_t pos[3],cov[6],chi2perNDF; | |
981 | vertexESD->GetXYZ(pos); // position | |
982 | vertexESD->GetCovMatrix(cov); //covariance matrix | |
983 | chi2perNDF = vertexESD->GetChi2toNDF(); | |
984 | dispersion = vertexESD->GetDispersion(); | |
985 | delete vertexESD; vertexESD=NULL; | |
986 | ||
987 | vertexAOD = new AliAODVertex(pos,cov,chi2perNDF); | |
988 | vertexAOD->SetType(AliAODVertex::kUndef); // to be changed | |
989 | ||
990 | return vertexAOD; | |
991 | } | |
992 | //----------------------------------------------------------------------------- | |
6a213b59 | 993 | Bool_t AliAnalysisVertexingHF::SelectInvMass(Int_t decay, |
994 | Int_t nprongs, | |
995 | Double_t *px, | |
996 | Double_t *py, | |
997 | Double_t *pz) const { | |
998 | // Check invariant mass cut | |
999 | ||
1000 | Short_t dummycharge=0; | |
1001 | Double_t *dummyd0 = new Double_t[nprongs]; | |
b056c5e3 | 1002 | for(Int_t ip=0;ip<nprongs;ip++) dummyd0[ip]=0.; |
6a213b59 | 1003 | AliAODRecoDecay *rd = new AliAODRecoDecay(0x0,nprongs,dummycharge,px,py,pz,dummyd0); |
1004 | delete [] dummyd0; | |
1005 | ||
1006 | UInt_t pdg2[2],pdg3[3]; | |
1007 | Double_t mPDG,minv; | |
1008 | ||
1009 | Bool_t retval=kFALSE; | |
1010 | switch (decay) | |
1011 | { | |
1012 | case 0: // D0->Kpi | |
1013 | pdg2[0]=211; pdg2[1]=321; | |
1014 | mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
1015 | minv = rd->InvMass(nprongs,pdg2); | |
1016 | if(TMath::Abs(minv-mPDG)<fD0toKpiCuts[0]) retval=kTRUE; | |
1017 | pdg2[0]=321; pdg2[1]=211; | |
1018 | minv = rd->InvMass(nprongs,pdg2); | |
1019 | if(TMath::Abs(minv-mPDG)<fD0toKpiCuts[0]) retval=kTRUE; | |
1020 | break; | |
1021 | case 1: // JPSI->ee | |
1022 | pdg2[0]=11; pdg2[1]=11; | |
1023 | mPDG=TDatabasePDG::Instance()->GetParticle(443)->Mass(); | |
1024 | minv = rd->InvMass(nprongs,pdg2); | |
1025 | if(TMath::Abs(minv-mPDG)<fBtoJPSICuts[0]) retval=kTRUE; | |
1026 | break; | |
1027 | case 2: // D+->Kpipi | |
1028 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=211; | |
1029 | mPDG=TDatabasePDG::Instance()->GetParticle(411)->Mass(); | |
1030 | minv = rd->InvMass(nprongs,pdg3); | |
1031 | if(TMath::Abs(minv-mPDG)<fDplusCuts[0]) retval=kTRUE; | |
b82f6d67 | 1032 | // Ds+->KKpi |
1033 | pdg3[0]=321; pdg3[1]=321; pdg3[2]=211; | |
1034 | mPDG=TDatabasePDG::Instance()->GetParticle(431)->Mass(); | |
1035 | minv = rd->InvMass(nprongs,pdg3); | |
1036 | if(TMath::Abs(minv-mPDG)<fDsCuts[0]) retval=kTRUE; | |
1037 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=321; | |
1038 | minv = rd->InvMass(nprongs,pdg3); | |
1039 | if(TMath::Abs(minv-mPDG)<fDsCuts[0]) retval=kTRUE; | |
1040 | // Lc->pKpi | |
1041 | pdg3[0]=2212; pdg3[1]=321; pdg3[2]=211; | |
1042 | mPDG=TDatabasePDG::Instance()->GetParticle(4122)->Mass(); | |
1043 | minv = rd->InvMass(nprongs,pdg3); | |
1044 | if(TMath::Abs(minv-mPDG)<fLcCuts[0]) retval=kTRUE; | |
1045 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=2212; | |
1046 | minv = rd->InvMass(nprongs,pdg3); | |
1047 | if(TMath::Abs(minv-mPDG)<fLcCuts[0]) retval=kTRUE; | |
6a213b59 | 1048 | break; |
1049 | default: | |
1050 | break; | |
1051 | } | |
1052 | ||
1053 | delete rd; | |
1054 | ||
1055 | return retval; | |
1056 | } | |
1057 | //----------------------------------------------------------------------------- | |
dcb444c9 | 1058 | void AliAnalysisVertexingHF::SelectTracksAndCopyVertex(AliVEvent *event, |
6a213b59 | 1059 | TObjArray &trksP,Int_t &nTrksP, |
dcb444c9 | 1060 | TObjArray &trksN,Int_t &nTrksN) |
6a213b59 | 1061 | { |
1062 | // Fill two TObjArrays with positive and negative tracks and | |
dcb444c9 | 1063 | // apply single-track preselection. |
1064 | // Create the AliESDVertex object (convert from AliAODVertex if necessary) | |
1065 | // In case of AOD input, also fill fAODMap for track index<->ID | |
1066 | ||
1067 | const AliVVertex *vprimary = event->GetPrimaryVertex(); | |
1068 | ||
1069 | if(fV1) { delete fV1; fV1=NULL; } | |
1070 | if(fAODMap) { delete [] fAODMap; fAODMap=NULL; } | |
1071 | ||
1072 | Int_t nindices=0; | |
1073 | UShort_t *indices = 0; | |
1074 | Double_t pos[3],cov[6]; | |
1075 | ||
1076 | if(!fInputAOD) { // ESD | |
1077 | fV1 = new AliESDVertex(*((AliESDVertex*)vprimary)); | |
1078 | } else { // AOD | |
1079 | vprimary->GetXYZ(pos); | |
1080 | vprimary->GetCovarianceMatrix(cov); | |
1081 | fV1 = new AliESDVertex(pos,cov,100.,100,vprimary->GetName()); | |
1082 | indices = new UShort_t[event->GetNumberOfTracks()]; | |
1083 | fAODMap = new Int_t[100000]; | |
1084 | } | |
1085 | ||
1086 | ||
1087 | for(Int_t itr=0; itr<event->GetNumberOfTracks(); itr++) { | |
1088 | ||
1089 | } | |
1090 | ||
6a213b59 | 1091 | |
1092 | nTrksP=0,nTrksN=0; | |
1093 | ||
dcb444c9 | 1094 | Int_t entries = (Int_t)event->GetNumberOfTracks(); |
6a213b59 | 1095 | |
dcb444c9 | 1096 | // transfer ITS tracks from event to arrays |
6a213b59 | 1097 | for(Int_t i=0; i<entries; i++) { |
1098 | ||
dcb444c9 | 1099 | AliVTrack *track = (AliVTrack*)event->GetTrack(i); |
1100 | ||
1101 | if(fInputAOD) { | |
1102 | AliAODTrack *aodt = (AliAODTrack*)track; | |
1103 | if(aodt->GetUsedForPrimVtxFit()) { | |
1104 | indices[nindices]=aodt->GetID(); nindices++; | |
1105 | } | |
1106 | fAODMap[(Int_t)aodt->GetID()] = i; | |
1107 | } | |
6a213b59 | 1108 | |
1109 | // require refit in ITS | |
dcb444c9 | 1110 | UInt_t status = track->GetStatus(); |
6a213b59 | 1111 | if(fITSrefit && !(status&AliESDtrack::kITSrefit)) { |
dcb444c9 | 1112 | AliDebug(2,Form("track %d is not kITSrefit",i)); |
6a213b59 | 1113 | continue; |
1114 | } | |
1115 | ||
dcb444c9 | 1116 | Int_t ncls0=0; |
1117 | for(Int_t l=0;l<6;l++) if(TESTBIT(track->GetITSClusterMap(),l)) ncls0++; | |
1118 | ||
6a213b59 | 1119 | // require minimum # of ITS points |
dcb444c9 | 1120 | if(ncls0<fMinITSCls) { |
1121 | AliDebug(2,Form("track %d has %d ITS cls",i,ncls0)); | |
6a213b59 | 1122 | continue; |
1123 | } | |
1124 | // require points on the 2 pixel layers | |
1125 | if(fBothSPD) | |
dcb444c9 | 1126 | if(!TESTBIT(track->GetITSClusterMap(),0) || |
1127 | !TESTBIT(track->GetITSClusterMap(),1)) continue; | |
1128 | ||
1129 | AliESDtrack *esdt = 0; | |
1130 | if(!fInputAOD) { | |
1131 | esdt = (AliESDtrack*)track; | |
1132 | } else { | |
1133 | esdt = new AliESDtrack(track); | |
1134 | } | |
6a213b59 | 1135 | |
1136 | // single track selection | |
dcb444c9 | 1137 | if(!SingleTrkCuts(*esdt)) { |
1138 | if(fInputAOD) delete esdt; | |
1139 | esdt = NULL; | |
1140 | continue; | |
1141 | } | |
6a213b59 | 1142 | |
dcb444c9 | 1143 | if(track->Charge()<0) { // negative track |
1144 | trksN.AddLast(esdt); | |
6a213b59 | 1145 | nTrksN++; |
1146 | } else { // positive track | |
dcb444c9 | 1147 | trksP.AddLast(esdt); |
6a213b59 | 1148 | nTrksP++; |
1149 | } | |
1150 | ||
dcb444c9 | 1151 | } // end loop on tracks |
1152 | ||
1153 | // primary vertex from AOD | |
1154 | if(fInputAOD) { | |
1155 | delete fV1; fV1=NULL; | |
1156 | vprimary->GetXYZ(pos); | |
1157 | vprimary->GetCovarianceMatrix(cov); | |
1158 | Double_t chi2toNDF = vprimary->GetChi2perNDF(); | |
1159 | Int_t ncontr=nindices; | |
1160 | if(vprimary->GetTitle()=="VertexerTracksWithContraint") ncontr += 1; | |
1161 | Double_t chi2=chi2toNDF*(2.*(Double_t)ncontr-3.); | |
1162 | fV1 = new AliESDVertex(pos,cov,chi2,ncontr,vprimary->GetName()); | |
1163 | fV1->SetTitle(vprimary->GetTitle()); | |
1164 | fV1->SetIndices(nindices,indices); | |
1165 | } | |
1166 | if(indices) { delete [] indices; indices=NULL; } | |
1167 | ||
6a213b59 | 1168 | |
1169 | return; | |
1170 | } | |
1171 | //----------------------------------------------------------------------------- | |
1172 | void AliAnalysisVertexingHF::SetD0toKpiCuts(Double_t cut0,Double_t cut1, | |
1173 | Double_t cut2,Double_t cut3,Double_t cut4, | |
1174 | Double_t cut5,Double_t cut6, | |
1175 | Double_t cut7,Double_t cut8) | |
1176 | { | |
1177 | // Set the cuts for D0 selection | |
1178 | fD0toKpiCuts[0] = cut0; | |
1179 | fD0toKpiCuts[1] = cut1; | |
1180 | fD0toKpiCuts[2] = cut2; | |
1181 | fD0toKpiCuts[3] = cut3; | |
1182 | fD0toKpiCuts[4] = cut4; | |
1183 | fD0toKpiCuts[5] = cut5; | |
1184 | fD0toKpiCuts[6] = cut6; | |
1185 | fD0toKpiCuts[7] = cut7; | |
1186 | fD0toKpiCuts[8] = cut8; | |
1187 | ||
1188 | return; | |
1189 | } | |
1190 | //----------------------------------------------------------------------------- | |
1191 | void AliAnalysisVertexingHF::SetD0toKpiCuts(const Double_t cuts[9]) | |
1192 | { | |
1193 | // Set the cuts for D0 selection | |
1194 | ||
1195 | for(Int_t i=0; i<9; i++) fD0toKpiCuts[i] = cuts[i]; | |
1196 | ||
1197 | return; | |
1198 | } | |
1199 | //----------------------------------------------------------------------------- | |
1200 | void AliAnalysisVertexingHF::SetBtoJPSICuts(Double_t cut0,Double_t cut1, | |
1201 | Double_t cut2,Double_t cut3,Double_t cut4, | |
1202 | Double_t cut5,Double_t cut6, | |
1203 | Double_t cut7,Double_t cut8) | |
1204 | { | |
1205 | // Set the cuts for J/psi from B selection | |
1206 | fBtoJPSICuts[0] = cut0; | |
1207 | fBtoJPSICuts[1] = cut1; | |
1208 | fBtoJPSICuts[2] = cut2; | |
1209 | fBtoJPSICuts[3] = cut3; | |
1210 | fBtoJPSICuts[4] = cut4; | |
1211 | fBtoJPSICuts[5] = cut5; | |
1212 | fBtoJPSICuts[6] = cut6; | |
1213 | fBtoJPSICuts[7] = cut7; | |
1214 | fBtoJPSICuts[8] = cut8; | |
1215 | ||
1216 | return; | |
1217 | } | |
1218 | //----------------------------------------------------------------------------- | |
1219 | void AliAnalysisVertexingHF::SetBtoJPSICuts(const Double_t cuts[9]) | |
1220 | { | |
1221 | // Set the cuts for J/psi from B selection | |
1222 | ||
1223 | for(Int_t i=0; i<9; i++) fBtoJPSICuts[i] = cuts[i]; | |
1224 | ||
1225 | return; | |
1226 | } | |
1227 | //----------------------------------------------------------------------------- | |
1228 | void AliAnalysisVertexingHF::SetDplusCuts(Double_t cut0,Double_t cut1, | |
1229 | Double_t cut2,Double_t cut3,Double_t cut4, | |
1230 | Double_t cut5,Double_t cut6, | |
1231 | Double_t cut7,Double_t cut8, | |
1232 | Double_t cut9,Double_t cut10,Double_t cut11) | |
1233 | { | |
1234 | // Set the cuts for Dplus->Kpipi selection | |
1235 | fDplusCuts[0] = cut0; | |
1236 | fDplusCuts[1] = cut1; | |
1237 | fDplusCuts[2] = cut2; | |
1238 | fDplusCuts[3] = cut3; | |
1239 | fDplusCuts[4] = cut4; | |
1240 | fDplusCuts[5] = cut5; | |
1241 | fDplusCuts[6] = cut6; | |
1242 | fDplusCuts[7] = cut7; | |
1243 | fDplusCuts[8] = cut8; | |
1244 | fDplusCuts[9] = cut9; | |
1245 | fDplusCuts[10] = cut10; | |
1246 | fDplusCuts[11] = cut11; | |
1247 | ||
1248 | return; | |
1249 | } | |
1250 | //----------------------------------------------------------------------------- | |
1251 | void AliAnalysisVertexingHF::SetDplusCuts(const Double_t cuts[12]) | |
1252 | { | |
b82f6d67 | 1253 | // Set the cuts for Dplus->Kpipi selection |
6a213b59 | 1254 | |
1255 | for(Int_t i=0; i<12; i++) fDplusCuts[i] = cuts[i]; | |
1256 | ||
1257 | return; | |
1258 | } | |
1259 | //----------------------------------------------------------------------------- | |
6ea608bf | 1260 | void AliAnalysisVertexingHF::SetDsCuts(Double_t cut0,Double_t cut1, |
1261 | Double_t cut2,Double_t cut3,Double_t cut4, | |
1262 | Double_t cut5,Double_t cut6, | |
1263 | Double_t cut7,Double_t cut8, | |
81679460 | 1264 | Double_t cut9,Double_t cut10, |
1265 | Double_t cut11,Double_t cut12) | |
b82f6d67 | 1266 | { |
1267 | // Set the cuts for Ds->KKpi selection | |
1268 | fDsCuts[0] = cut0; | |
6ea608bf | 1269 | fDsCuts[1] = cut1; |
1270 | fDsCuts[2] = cut2; | |
1271 | fDsCuts[3] = cut3; | |
1272 | fDsCuts[4] = cut4; | |
1273 | fDsCuts[5] = cut5; | |
1274 | fDsCuts[6] = cut6; | |
1275 | fDsCuts[7] = cut7; | |
1276 | fDsCuts[8] = cut8; | |
1277 | fDsCuts[9] = cut9; | |
1278 | fDsCuts[10] = cut10; | |
1279 | fDsCuts[11] = cut11; | |
81679460 | 1280 | fDsCuts[12] = cut12; |
b82f6d67 | 1281 | |
1282 | return; | |
1283 | } | |
1284 | //----------------------------------------------------------------------------- | |
81679460 | 1285 | void AliAnalysisVertexingHF::SetDsCuts(const Double_t cuts[13]) |
b82f6d67 | 1286 | { |
1287 | // Set the cuts for Ds->KKpi selection | |
1288 | ||
81679460 | 1289 | for(Int_t i=0; i<13; i++) fDsCuts[i] = cuts[i]; |
b82f6d67 | 1290 | |
1291 | return; | |
1292 | } | |
1293 | //----------------------------------------------------------------------------- | |
6ea608bf | 1294 | void AliAnalysisVertexingHF::SetLcCuts(Double_t cut0,Double_t cut1, |
1295 | Double_t cut2,Double_t cut3,Double_t cut4, | |
1296 | Double_t cut5,Double_t cut6, | |
1297 | Double_t cut7,Double_t cut8, | |
1298 | Double_t cut9,Double_t cut10,Double_t cut11) | |
b82f6d67 | 1299 | { |
1300 | // Set the cuts for Lc->pKpi selection | |
1301 | fLcCuts[0] = cut0; | |
6ea608bf | 1302 | fLcCuts[1] = cut1; |
1303 | fLcCuts[2] = cut2; | |
1304 | fLcCuts[3] = cut3; | |
1305 | fLcCuts[4] = cut4; | |
1306 | fLcCuts[5] = cut5; | |
1307 | fLcCuts[6] = cut6; | |
1308 | fLcCuts[7] = cut7; | |
1309 | fLcCuts[8] = cut8; | |
1310 | fLcCuts[9] = cut9; | |
1311 | fLcCuts[10] = cut10; | |
1312 | fLcCuts[11] = cut11; | |
b82f6d67 | 1313 | |
1314 | return; | |
1315 | } | |
1316 | //----------------------------------------------------------------------------- | |
6ea608bf | 1317 | void AliAnalysisVertexingHF::SetLcCuts(const Double_t cuts[12]) |
b82f6d67 | 1318 | { |
1319 | // Set the cuts for Lc->pKpi selection | |
1320 | ||
6ea608bf | 1321 | for(Int_t i=0; i<12; i++) fLcCuts[i] = cuts[i]; |
b82f6d67 | 1322 | |
1323 | return; | |
1324 | } | |
1325 | //----------------------------------------------------------------------------- | |
1326 | Bool_t AliAnalysisVertexingHF::SingleTrkCuts(AliESDtrack& trk) const | |
6a213b59 | 1327 | { |
1328 | // Check if track passes some kinematical cuts | |
6a213b59 | 1329 | |
dcb444c9 | 1330 | if(trk.Pt() < fMinPtCut) { |
b056c5e3 | 1331 | //printf("pt %f\n",1./trk.GetParameter()[4]); |
6a213b59 | 1332 | return kFALSE; |
1333 | } | |
dcb444c9 | 1334 | Double_t d0z0[2],covd0z0[3]; |
1335 | trk.PropagateToDCA(fV1,fBzkG,kVeryBig,d0z0,covd0z0); | |
6a213b59 | 1336 | if(TMath::Abs(d0z0[0]) < fMind0rphiCut) { |
dcb444c9 | 1337 | //printf("d0rphi %f\n",TMath::Abs(d0z0[0])); |
6a213b59 | 1338 | return kFALSE; |
1339 | } | |
1340 | ||
1341 | return kTRUE; | |
1342 | } | |
1343 | //----------------------------------------------------------------------------- |