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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 | // |
a25935a9 | 23 | // Contact: andrea.dainese@pd.infn.it |
dc963de9 | 24 | // Contributors: E.Bruna, G.E.Bruno, A.Dainese, C.Di Gliglio, |
25 | // F.Prino, R.Romita, X.M.Zhang | |
6a213b59 | 26 | //---------------------------------------------------------------------------- |
a9b75906 | 27 | #include <Riostream.h> |
b82f6d67 | 28 | #include <TFile.h> |
6a213b59 | 29 | #include <TDatabasePDG.h> |
30 | #include <TString.h> | |
a9b75906 | 31 | #include <TList.h> |
dcb444c9 | 32 | #include "AliLog.h" |
33 | #include "AliVEvent.h" | |
34 | #include "AliVVertex.h" | |
35 | #include "AliVTrack.h" | |
6a213b59 | 36 | #include "AliVertexerTracks.h" |
a353d2e4 | 37 | #include "AliKFVertex.h" |
dcb444c9 | 38 | #include "AliESDEvent.h" |
6a213b59 | 39 | #include "AliESDVertex.h" |
e18fbfa7 | 40 | #include "AliExternalTrackParam.h" |
dcfa35b3 | 41 | #include "AliNeutralTrackParam.h" |
dcb444c9 | 42 | #include "AliESDtrack.h" |
f8fa4595 | 43 | #include "AliESDtrackCuts.h" |
b056c5e3 | 44 | #include "AliAODEvent.h" |
6a213b59 | 45 | #include "AliAODRecoDecay.h" |
46 | #include "AliAODRecoDecayHF.h" | |
47 | #include "AliAODRecoDecayHF2Prong.h" | |
48 | #include "AliAODRecoDecayHF3Prong.h" | |
49 | #include "AliAODRecoDecayHF4Prong.h" | |
2ff20727 | 50 | #include "AliAODRecoCascadeHF.h" |
f3014dc3 | 51 | #include "AliRDHFCutsD0toKpi.h" |
e3d40058 | 52 | #include "AliRDHFCutsJpsitoee.h" |
53 | #include "AliRDHFCutsDplustoKpipi.h" | |
54 | #include "AliRDHFCutsDstoKKpi.h" | |
55 | #include "AliRDHFCutsLctopKpi.h" | |
a07ad8e0 | 56 | #include "AliRDHFCutsLctoV0.h" |
e3d40058 | 57 | #include "AliRDHFCutsD0toKpipipi.h" |
da6fefc3 | 58 | #include "AliRDHFCutsDStartoKpipi.h" |
f8fa4595 | 59 | #include "AliAnalysisFilter.h" |
6a213b59 | 60 | #include "AliAnalysisVertexingHF.h" |
a25935a9 | 61 | #include "AliMixedEvent.h" |
a07ad8e0 | 62 | #include "AliESDv0.h" |
63 | #include "AliAODv0.h" | |
6a213b59 | 64 | |
65 | ClassImp(AliAnalysisVertexingHF) | |
66 | ||
67 | //---------------------------------------------------------------------------- | |
68 | AliAnalysisVertexingHF::AliAnalysisVertexingHF(): | |
dcb444c9 | 69 | fInputAOD(kFALSE), |
c8ab4e4f | 70 | fAODMapSize(0), |
71 | fAODMap(0), | |
b82f6d67 | 72 | fBzkG(0.), |
73 | fSecVtxWithKF(kFALSE), | |
6a213b59 | 74 | fRecoPrimVtxSkippingTrks(kFALSE), |
75 | fRmTrksFromPrimVtx(kFALSE), | |
76 | fV1(0x0), | |
b82f6d67 | 77 | fD0toKpi(kTRUE), |
78 | fJPSItoEle(kTRUE), | |
79 | f3Prong(kTRUE), | |
80 | f4Prong(kTRUE), | |
2ff20727 | 81 | fDstar(kTRUE), |
a07ad8e0 | 82 | fCascades(kTRUE), |
dc963de9 | 83 | fLikeSign(kFALSE), |
a25935a9 | 84 | fMixEvent(kFALSE), |
2ff20727 | 85 | fTrackFilter(0x0), |
eee95e18 | 86 | fTrackFilterSoftPi(0x0), |
f3014dc3 | 87 | fCutsD0toKpi(0x0), |
e3d40058 | 88 | fCutsJpsitoee(0x0), |
89 | fCutsDplustoKpipi(0x0), | |
90 | fCutsDstoKKpi(0x0), | |
91 | fCutsLctopKpi(0x0), | |
a07ad8e0 | 92 | fCutsLctoV0(0x0), |
e3d40058 | 93 | fCutsD0toKpipipi(0x0), |
da6fefc3 | 94 | fCutsDStartoKpipi(0x0), |
a9b75906 | 95 | fListOfCuts(0x0), |
a07ad8e0 | 96 | fFindVertexForDstar(kTRUE), |
97 | fFindVertexForCascades(kTRUE) | |
6a213b59 | 98 | { |
99 | // Default constructor | |
6a213b59 | 100 | } |
13977a79 | 101 | //-------------------------------------------------------------------------- |
102 | AliAnalysisVertexingHF::AliAnalysisVertexingHF(const AliAnalysisVertexingHF &source) : | |
103 | TNamed(source), | |
dcb444c9 | 104 | fInputAOD(source.fInputAOD), |
c8ab4e4f | 105 | fAODMapSize(source.fAODMapSize), |
106 | fAODMap(source.fAODMap), | |
b82f6d67 | 107 | fBzkG(source.fBzkG), |
108 | fSecVtxWithKF(source.fSecVtxWithKF), | |
13977a79 | 109 | fRecoPrimVtxSkippingTrks(source.fRecoPrimVtxSkippingTrks), |
110 | fRmTrksFromPrimVtx(source.fRmTrksFromPrimVtx), | |
111 | fV1(source.fV1), | |
13977a79 | 112 | fD0toKpi(source.fD0toKpi), |
113 | fJPSItoEle(source.fJPSItoEle), | |
114 | f3Prong(source.f3Prong), | |
115 | f4Prong(source.f4Prong), | |
2ff20727 | 116 | fDstar(source.fDstar), |
a07ad8e0 | 117 | fCascades(source.fCascades), |
dc963de9 | 118 | fLikeSign(source.fLikeSign), |
a25935a9 | 119 | fMixEvent(source.fMixEvent), |
2ff20727 | 120 | fTrackFilter(source.fTrackFilter), |
eee95e18 | 121 | fTrackFilterSoftPi(source.fTrackFilterSoftPi), |
f3014dc3 | 122 | fCutsD0toKpi(source.fCutsD0toKpi), |
e3d40058 | 123 | fCutsJpsitoee(source.fCutsJpsitoee), |
124 | fCutsDplustoKpipi(source.fCutsDplustoKpipi), | |
125 | fCutsDstoKKpi(source.fCutsDstoKKpi), | |
126 | fCutsLctopKpi(source.fCutsLctopKpi), | |
a07ad8e0 | 127 | fCutsLctoV0(source.fCutsLctoV0), |
e3d40058 | 128 | fCutsD0toKpipipi(source.fCutsD0toKpipipi), |
da6fefc3 | 129 | fCutsDStartoKpipi(source.fCutsDStartoKpipi), |
a9b75906 | 130 | fListOfCuts(source.fListOfCuts), |
a07ad8e0 | 131 | fFindVertexForDstar(source.fFindVertexForDstar), |
132 | fFindVertexForCascades(source.fFindVertexForCascades) | |
13977a79 | 133 | { |
134 | // | |
135 | // Copy constructor | |
136 | // | |
13977a79 | 137 | } |
138 | //-------------------------------------------------------------------------- | |
139 | AliAnalysisVertexingHF &AliAnalysisVertexingHF::operator=(const AliAnalysisVertexingHF &source) | |
140 | { | |
141 | // | |
142 | // assignment operator | |
143 | // | |
144 | if(&source == this) return *this; | |
dcb444c9 | 145 | fInputAOD = source.fInputAOD; |
c8ab4e4f | 146 | fAODMapSize = source.fAODMapSize; |
b82f6d67 | 147 | fBzkG = source.fBzkG; |
148 | fSecVtxWithKF = source.fSecVtxWithKF; | |
13977a79 | 149 | fRecoPrimVtxSkippingTrks = source.fRecoPrimVtxSkippingTrks; |
150 | fRmTrksFromPrimVtx = source.fRmTrksFromPrimVtx; | |
151 | fV1 = source.fV1; | |
13977a79 | 152 | fD0toKpi = source.fD0toKpi; |
153 | fJPSItoEle = source.fJPSItoEle; | |
154 | f3Prong = source.f3Prong; | |
155 | f4Prong = source.f4Prong; | |
2ff20727 | 156 | fDstar = source.fDstar; |
a07ad8e0 | 157 | fCascades = source.fCascades; |
dc963de9 | 158 | fLikeSign = source.fLikeSign; |
a25935a9 | 159 | fMixEvent = source.fMixEvent; |
f8fa4595 | 160 | fTrackFilter = source.fTrackFilter; |
2ff20727 | 161 | fTrackFilterSoftPi = source.fTrackFilterSoftPi; |
f3014dc3 | 162 | fCutsD0toKpi = source.fCutsD0toKpi; |
e3d40058 | 163 | fCutsJpsitoee = source.fCutsJpsitoee; |
164 | fCutsDplustoKpipi = source.fCutsDplustoKpipi; | |
165 | fCutsDstoKKpi = source.fCutsDstoKKpi; | |
166 | fCutsLctopKpi = source.fCutsLctopKpi; | |
a07ad8e0 | 167 | fCutsLctoV0 = source.fCutsLctoV0; |
e3d40058 | 168 | fCutsD0toKpipipi = source.fCutsD0toKpipipi; |
da6fefc3 | 169 | fCutsDStartoKpipi = source.fCutsDStartoKpipi; |
a9b75906 | 170 | fListOfCuts = source.fListOfCuts; |
eee95e18 | 171 | fFindVertexForDstar = source.fFindVertexForDstar; |
a07ad8e0 | 172 | fFindVertexForCascades = source.fFindVertexForCascades; |
13977a79 | 173 | |
13977a79 | 174 | return *this; |
175 | } | |
6a213b59 | 176 | //---------------------------------------------------------------------------- |
177 | AliAnalysisVertexingHF::~AliAnalysisVertexingHF() { | |
178 | // Destructor | |
13977a79 | 179 | if(fV1) { delete fV1; fV1=0; } |
f8fa4595 | 180 | if(fTrackFilter) { delete fTrackFilter; fTrackFilter=0; } |
2ff20727 | 181 | if(fTrackFilterSoftPi) { delete fTrackFilterSoftPi; fTrackFilterSoftPi=0; } |
f3014dc3 | 182 | if(fCutsD0toKpi) { delete fCutsD0toKpi; fCutsD0toKpi=0; } |
e3d40058 | 183 | if(fCutsJpsitoee) { delete fCutsJpsitoee; fCutsJpsitoee=0; } |
184 | if(fCutsDplustoKpipi) { delete fCutsDplustoKpipi; fCutsDplustoKpipi=0; } | |
185 | if(fCutsDstoKKpi) { delete fCutsDstoKKpi; fCutsDstoKKpi=0; } | |
186 | if(fCutsLctopKpi) { delete fCutsLctopKpi; fCutsLctopKpi=0; } | |
a07ad8e0 | 187 | if(fCutsLctoV0) { delete fCutsLctoV0; fCutsLctoV0=0; } |
e3d40058 | 188 | if(fCutsD0toKpipipi) { delete fCutsD0toKpipipi; fCutsD0toKpipipi=0; } |
da6fefc3 | 189 | if(fCutsDStartoKpipi) { delete fCutsDStartoKpipi; fCutsDStartoKpipi=0; } |
c8ab4e4f | 190 | if(fAODMap) { delete fAODMap; fAODMap=0; } |
6a213b59 | 191 | } |
192 | //---------------------------------------------------------------------------- | |
a9b75906 | 193 | TList *AliAnalysisVertexingHF::FillListOfCuts() { |
194 | // Fill list of analysis cuts | |
195 | ||
196 | TList *list = new TList(); | |
197 | list->SetOwner(); | |
198 | list->SetName("ListOfCuts"); | |
199 | ||
200 | if(fCutsD0toKpi) { | |
201 | AliRDHFCutsD0toKpi *cutsD0toKpi = new AliRDHFCutsD0toKpi(*fCutsD0toKpi); | |
202 | list->Add(cutsD0toKpi); | |
203 | } | |
204 | if(fCutsJpsitoee) { | |
205 | AliRDHFCutsJpsitoee *cutsJpsitoee = new AliRDHFCutsJpsitoee(*fCutsJpsitoee); | |
206 | list->Add(cutsJpsitoee); | |
207 | } | |
208 | if(fCutsDplustoKpipi) { | |
209 | AliRDHFCutsDplustoKpipi *cutsDplustoKpipi = new AliRDHFCutsDplustoKpipi(*fCutsDplustoKpipi); | |
210 | list->Add(cutsDplustoKpipi); | |
211 | } | |
212 | if(fCutsDstoKKpi) { | |
213 | AliRDHFCutsDstoKKpi *cutsDstoKKpi = new AliRDHFCutsDstoKKpi(*fCutsDstoKKpi); | |
214 | list->Add(cutsDstoKKpi); | |
215 | } | |
216 | if(fCutsLctopKpi) { | |
217 | AliRDHFCutsLctopKpi *cutsLctopKpi = new AliRDHFCutsLctopKpi(*fCutsLctopKpi); | |
218 | list->Add(cutsLctopKpi); | |
219 | } | |
a07ad8e0 | 220 | if(fCutsLctoV0){ |
221 | AliRDHFCutsLctoV0 *cutsLctoV0 = new AliRDHFCutsLctoV0(*fCutsLctoV0); | |
222 | list->Add(cutsLctoV0); | |
223 | } | |
a9b75906 | 224 | if(fCutsD0toKpipipi) { |
225 | AliRDHFCutsD0toKpipipi *cutsD0toKpipipi = new AliRDHFCutsD0toKpipipi(*fCutsD0toKpipipi); | |
226 | list->Add(cutsD0toKpipipi); | |
227 | } | |
da6fefc3 | 228 | if(fCutsDStartoKpipi) { |
229 | AliRDHFCutsDStartoKpipi *cutsDStartoKpipi = new AliRDHFCutsDStartoKpipi(*fCutsDStartoKpipi); | |
230 | list->Add(cutsDStartoKpipi); | |
a9b75906 | 231 | } |
232 | ||
233 | // keep a pointer to the list | |
234 | fListOfCuts = list; | |
235 | ||
236 | return list; | |
237 | } | |
238 | //---------------------------------------------------------------------------- | |
dcb444c9 | 239 | void AliAnalysisVertexingHF::FindCandidates(AliVEvent *event, |
240 | TClonesArray *aodVerticesHFTClArr, | |
241 | TClonesArray *aodD0toKpiTClArr, | |
242 | TClonesArray *aodJPSItoEleTClArr, | |
243 | TClonesArray *aodCharm3ProngTClArr, | |
2ff20727 | 244 | TClonesArray *aodCharm4ProngTClArr, |
dc963de9 | 245 | TClonesArray *aodDstarTClArr, |
a07ad8e0 | 246 | TClonesArray *aodCascadesTClArr, |
423fb9ae | 247 | TClonesArray *aodLikeSign2ProngTClArr, |
248 | TClonesArray *aodLikeSign3ProngTClArr) | |
b056c5e3 | 249 | { |
250 | // Find heavy-flavour vertex candidates | |
dcb444c9 | 251 | // Input: ESD or AOD |
b056c5e3 | 252 | // Output: AOD (additional branches added) |
253 | ||
a25935a9 | 254 | if(!fMixEvent){ |
255 | TString evtype = event->IsA()->GetName(); | |
256 | fInputAOD = ((evtype=="AliAODEvent") ? kTRUE : kFALSE); | |
257 | } // if we do mixing AliVEvent is a AliMixedEvent | |
dcb444c9 | 258 | |
e15f55cb | 259 | if(fInputAOD) { |
260 | AliDebug(2,"Creating HF candidates from AOD"); | |
261 | } else { | |
262 | AliDebug(2,"Creating HF candidates from ESD"); | |
263 | } | |
264 | ||
b056c5e3 | 265 | if(!aodVerticesHFTClArr) { |
266 | printf("ERROR: no aodVerticesHFTClArr"); | |
267 | return; | |
268 | } | |
fa925a06 | 269 | if((fD0toKpi || fDstar) && !aodD0toKpiTClArr) { |
b056c5e3 | 270 | printf("ERROR: no aodD0toKpiTClArr"); |
271 | return; | |
272 | } | |
273 | if(fJPSItoEle && !aodJPSItoEleTClArr) { | |
274 | printf("ERROR: no aodJPSItoEleTClArr"); | |
275 | return; | |
276 | } | |
277 | if(f3Prong && !aodCharm3ProngTClArr) { | |
278 | printf("ERROR: no aodCharm3ProngTClArr"); | |
279 | return; | |
280 | } | |
281 | if(f4Prong && !aodCharm4ProngTClArr) { | |
282 | printf("ERROR: no aodCharm4ProngTClArr"); | |
283 | return; | |
284 | } | |
2ff20727 | 285 | if(fDstar && !aodDstarTClArr) { |
286 | printf("ERROR: no aodDstarTClArr"); | |
287 | return; | |
288 | } | |
a07ad8e0 | 289 | if(fCascades && !aodCascadesTClArr){ |
290 | printf("ERROR: no aodCascadesTClArr "); | |
291 | return; | |
292 | } | |
423fb9ae | 293 | if(fLikeSign && !aodLikeSign2ProngTClArr) { |
294 | printf("ERROR: no aodLikeSign2ProngTClArr"); | |
295 | return; | |
296 | } | |
297 | if(fLikeSign && f3Prong && !aodLikeSign3ProngTClArr) { | |
298 | printf("ERROR: no aodLikeSign2ProngTClArr"); | |
dc963de9 | 299 | return; |
300 | } | |
b056c5e3 | 301 | |
302 | // delete candidates from previous event and create references | |
a07ad8e0 | 303 | Int_t iVerticesHF=0,iD0toKpi=0,iJPSItoEle=0,i3Prong=0,i4Prong=0,iDstar=0,iCascades=0,iLikeSign2Prong=0,iLikeSign3Prong=0; |
b056c5e3 | 304 | aodVerticesHFTClArr->Delete(); |
305 | iVerticesHF = aodVerticesHFTClArr->GetEntriesFast(); | |
306 | TClonesArray &verticesHFRef = *aodVerticesHFTClArr; | |
fa925a06 | 307 | if(fD0toKpi || fDstar) { |
b056c5e3 | 308 | aodD0toKpiTClArr->Delete(); |
309 | iD0toKpi = aodD0toKpiTClArr->GetEntriesFast(); | |
310 | } | |
311 | if(fJPSItoEle) { | |
312 | aodJPSItoEleTClArr->Delete(); | |
313 | iJPSItoEle = aodJPSItoEleTClArr->GetEntriesFast(); | |
314 | } | |
315 | if(f3Prong) { | |
316 | aodCharm3ProngTClArr->Delete(); | |
317 | i3Prong = aodCharm3ProngTClArr->GetEntriesFast(); | |
318 | } | |
319 | if(f4Prong) { | |
320 | aodCharm4ProngTClArr->Delete(); | |
321 | i4Prong = aodCharm4ProngTClArr->GetEntriesFast(); | |
322 | } | |
2ff20727 | 323 | if(fDstar) { |
324 | aodDstarTClArr->Delete(); | |
325 | iDstar = aodDstarTClArr->GetEntriesFast(); | |
326 | } | |
a07ad8e0 | 327 | if(fCascades) { |
328 | aodCascadesTClArr->Delete(); | |
329 | iCascades = aodCascadesTClArr->GetEntriesFast(); | |
330 | } | |
423fb9ae | 331 | if(fLikeSign) { |
332 | aodLikeSign2ProngTClArr->Delete(); | |
333 | iLikeSign2Prong = aodLikeSign2ProngTClArr->GetEntriesFast(); | |
334 | } | |
335 | if(fLikeSign && f3Prong) { | |
336 | aodLikeSign3ProngTClArr->Delete(); | |
337 | iLikeSign3Prong = aodLikeSign3ProngTClArr->GetEntriesFast(); | |
dc963de9 | 338 | } |
423fb9ae | 339 | |
340 | TClonesArray &aodD0toKpiRef = *aodD0toKpiTClArr; | |
341 | TClonesArray &aodJPSItoEleRef = *aodJPSItoEleTClArr; | |
342 | TClonesArray &aodCharm3ProngRef = *aodCharm3ProngTClArr; | |
343 | TClonesArray &aodCharm4ProngRef = *aodCharm4ProngTClArr; | |
344 | TClonesArray &aodDstarRef = *aodDstarTClArr; | |
a07ad8e0 | 345 | TClonesArray &aodCascadesRef = *aodCascadesTClArr; |
423fb9ae | 346 | TClonesArray &aodLikeSign2ProngRef = *aodLikeSign2ProngTClArr; |
347 | TClonesArray &aodLikeSign3ProngRef = *aodLikeSign3ProngTClArr; | |
dc963de9 | 348 | |
b056c5e3 | 349 | |
2ff20727 | 350 | AliAODRecoDecayHF2Prong *io2Prong = 0; |
351 | AliAODRecoDecayHF3Prong *io3Prong = 0; | |
352 | AliAODRecoDecayHF4Prong *io4Prong = 0; | |
353 | AliAODRecoCascadeHF *ioCascade = 0; | |
b056c5e3 | 354 | |
a07ad8e0 | 355 | Int_t iTrkP1,iTrkP2,iTrkN1,iTrkN2,iTrkSoftPi,trkEntries,iv0,nv0; |
356 | Double_t xdummy,ydummy,dcap1n1,dcap1n2,dcap2n1,dcap1p2,dcan1n2,dcap2n2,dcaV0,dcaCasc; | |
b056c5e3 | 357 | Bool_t okD0=kFALSE,okJPSI=kFALSE,ok3Prong=kFALSE,ok4Prong=kFALSE; |
2ff20727 | 358 | Bool_t okDstar=kFALSE,okD0fromDstar=kFALSE; |
a07ad8e0 | 359 | Bool_t okCascades=kFALSE; |
b056c5e3 | 360 | AliESDtrack *postrack1 = 0; |
361 | AliESDtrack *postrack2 = 0; | |
362 | AliESDtrack *negtrack1 = 0; | |
363 | AliESDtrack *negtrack2 = 0; | |
2ff20727 | 364 | AliESDtrack *trackPi = 0; |
da6fefc3 | 365 | // AliESDtrack *posV0track = 0; |
366 | // AliESDtrack *negV0track = 0; | |
a9b75906 | 367 | Float_t dcaMax = fCutsD0toKpi->GetDCACut(); |
e3d40058 | 368 | if(fCutsJpsitoee) dcaMax=TMath::Max(dcaMax,fCutsJpsitoee->GetDCACut()); |
369 | if(fCutsDplustoKpipi) dcaMax=TMath::Max(dcaMax,fCutsDplustoKpipi->GetDCACut()); | |
370 | if(fCutsDstoKKpi) dcaMax=TMath::Max(dcaMax,fCutsDstoKKpi->GetDCACut()); | |
371 | if(fCutsLctopKpi) dcaMax=TMath::Max(dcaMax,fCutsLctopKpi->GetDCACut()); | |
372 | if(fCutsD0toKpipipi) dcaMax=TMath::Max(dcaMax,fCutsD0toKpipipi->GetDCACut()); | |
da6fefc3 | 373 | if(fCutsDStartoKpipi) dcaMax=TMath::Max(dcaMax,fCutsDStartoKpipi->GetDCACut()); |
a9b75906 | 374 | |
dcb444c9 | 375 | AliDebug(2,Form(" dca cut set to %f cm",dcaMax)); |
b056c5e3 | 376 | |
b056c5e3 | 377 | |
dcb444c9 | 378 | // get Bz |
379 | fBzkG = (Double_t)event->GetMagneticField(); | |
b056c5e3 | 380 | |
dcb444c9 | 381 | trkEntries = (Int_t)event->GetNumberOfTracks(); |
382 | AliDebug(1,Form(" Number of tracks: %d",trkEntries)); | |
357cd934 | 383 | |
a07ad8e0 | 384 | nv0 = (Int_t)event->GetNumberOfV0s(); |
385 | AliDebug(1,Form(" Number of V0s: %d",nv0)); | |
386 | ||
387 | if( trkEntries<2 && (trkEntries<1 || nv0<1) ) { | |
357cd934 | 388 | AliDebug(1,Form(" Not enough tracks: %d",trkEntries)); |
389 | return; | |
390 | } | |
a07ad8e0 | 391 | |
3cbc09cd | 392 | // event selection |
a9b75906 | 393 | if(!fCutsD0toKpi->IsEventSelected(event)) return; |
b056c5e3 | 394 | |
dcb444c9 | 395 | // call function that applies sigle-track selection, |
2ff20727 | 396 | // for displaced tracks and soft pions (both charges) for D*, |
dcb444c9 | 397 | // and retrieves primary vertex |
2ff20727 | 398 | TObjArray seleTrksArray(trkEntries); |
399 | UChar_t *seleFlags = new UChar_t[trkEntries]; // bit 0: displaced, bit 1: softpi | |
400 | Int_t nSeleTrks=0; | |
a25935a9 | 401 | Int_t *evtNumber = new Int_t[trkEntries]; |
402 | SelectTracksAndCopyVertex(event,seleTrksArray,nSeleTrks,seleFlags,evtNumber); | |
b056c5e3 | 403 | |
2ff20727 | 404 | AliDebug(1,Form(" Selected tracks: %d",nSeleTrks)); |
b056c5e3 | 405 | |
2ff20727 | 406 | TObjArray *twoTrackArray1 = new TObjArray(2); |
407 | TObjArray *twoTrackArray2 = new TObjArray(2); | |
a07ad8e0 | 408 | TObjArray *twoTrackArrayV0 = new TObjArray(2); |
2ff20727 | 409 | TObjArray *twoTrackArrayCasc = new TObjArray(2); |
410 | TObjArray *threeTrackArray = new TObjArray(3); | |
411 | TObjArray *fourTrackArray = new TObjArray(4); | |
b056c5e3 | 412 | |
dcb444c9 | 413 | Double_t dispersion; |
423fb9ae | 414 | Bool_t isLikeSign2Prong=kFALSE,isLikeSign3Prong=kFALSE; |
dcb444c9 | 415 | |
2ff20727 | 416 | AliAODRecoDecayHF *rd = 0; |
417 | AliAODRecoCascadeHF *rc = 0; | |
18e7db05 | 418 | AliAODv0 *v0 = 0; |
a07ad8e0 | 419 | AliESDv0 *esdV0 = 0; |
2ff20727 | 420 | |
b056c5e3 | 421 | // LOOP ON POSITIVE TRACKS |
2ff20727 | 422 | for(iTrkP1=0; iTrkP1<nSeleTrks; iTrkP1++) { |
dc963de9 | 423 | |
2ff20727 | 424 | if(iTrkP1%1==0) AliDebug(1,Form(" 1st loop on pos: track number %d of %d",iTrkP1,nSeleTrks)); |
dc963de9 | 425 | |
b056c5e3 | 426 | // get track from tracks array |
2ff20727 | 427 | postrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkP1); |
dc963de9 | 428 | |
429 | if(!TESTBIT(seleFlags[iTrkP1],kBitDispl)) continue; | |
430 | ||
18e7db05 | 431 | // Make cascades with V0+track |
a07ad8e0 | 432 | // |
18e7db05 | 433 | if(fCascades) { |
434 | // loop on V0's | |
a07ad8e0 | 435 | for(iv0=0; iv0<nv0; iv0++){ |
436 | ||
437 | AliDebug(1,Form(" loop on v0s for track number %d and v0 number %d",iTrkP1,iv0)); | |
438 | ||
439 | // Get the V0 | |
18e7db05 | 440 | if(fInputAOD) { |
441 | v0 = ((AliAODEvent*)event)->GetV0(iv0); | |
442 | } else { | |
a07ad8e0 | 443 | esdV0 = ((AliESDEvent*)event)->GetV0(iv0); |
444 | } | |
18e7db05 | 445 | if ( (!v0 || !v0->IsA()->InheritsFrom("AliAODv0") ) && |
446 | (!esdV0 || !esdV0->IsA()->InheritsFrom("AliESDv0") ) ) continue; | |
a07ad8e0 | 447 | |
448 | ||
449 | // Get the tracks that form the V0 | |
450 | // ( parameters at primary vertex ) | |
451 | // and define an AliExternalTrackParam out of them | |
452 | AliExternalTrackParam * posV0track; | |
453 | AliExternalTrackParam * negV0track; | |
454 | ||
455 | if(fInputAOD){ | |
18e7db05 | 456 | AliAODTrack *posVV0track = (AliAODTrack*)(v0->GetDaughter(0)); |
457 | AliAODTrack *negVV0track = (AliAODTrack*)(v0->GetDaughter(1)); | |
a07ad8e0 | 458 | if( !posVV0track || !negVV0track ) continue; |
459 | // | |
460 | // Apply some basic V0 daughter criteria | |
461 | // | |
462 | // bachelor must not be a v0-track | |
463 | if (posVV0track->GetID() == postrack1->GetID() || | |
464 | negVV0track->GetID() == postrack1->GetID()) continue; | |
465 | // reject like-sign v0 | |
466 | if ( posVV0track->Charge() == negVV0track->Charge() ) continue; | |
467 | // avoid ghost TPC tracks | |
468 | if(!(posVV0track->GetStatus() & AliESDtrack::kTPCrefit) || | |
469 | !(negVV0track->GetStatus() & AliESDtrack::kTPCrefit)) continue; | |
470 | // Get AliExternalTrackParam out of the AliAODTracks | |
471 | Double_t xyz[3], pxpypz[3], cv[21]; Short_t sign; | |
472 | posVV0track->PxPyPz(pxpypz); posVV0track->XvYvZv(xyz); | |
473 | posVV0track->GetCovarianceXYZPxPyPz(cv); sign=posVV0track->Charge(); | |
474 | posV0track = new AliExternalTrackParam(xyz,pxpypz,cv,sign); | |
475 | negVV0track->PxPyPz(pxpypz); negVV0track->XvYvZv(xyz); | |
476 | negVV0track->GetCovarianceXYZPxPyPz(cv); sign=negVV0track->Charge(); | |
477 | negV0track = new AliExternalTrackParam(xyz,pxpypz,cv,sign); | |
18e7db05 | 478 | } else { |
a07ad8e0 | 479 | AliESDtrack *posVV0track = (AliESDtrack*)(event->GetTrack( esdV0->GetPindex() )); |
480 | AliESDtrack *negVV0track = (AliESDtrack*)(event->GetTrack( esdV0->GetNindex() )); | |
481 | if( !posVV0track || !negVV0track ) continue; | |
482 | // | |
483 | // Apply some basic V0 daughter criteria | |
484 | // | |
485 | // bachelor must not be a v0-track | |
486 | if (posVV0track->GetID() == postrack1->GetID() || | |
487 | negVV0track->GetID() == postrack1->GetID()) continue; | |
488 | // reject like-sign v0 | |
489 | if ( posVV0track->Charge() == negVV0track->Charge() ) continue; | |
490 | // avoid ghost TPC tracks | |
491 | if(!(posVV0track->GetStatus() & AliESDtrack::kTPCrefit) || | |
492 | !(negVV0track->GetStatus() & AliESDtrack::kTPCrefit)) continue; | |
493 | // reject kinks (only necessary on AliESDtracks) | |
494 | if (posVV0track->GetKinkIndex(0)>0 || negVV0track->GetKinkIndex(0)>0) continue; | |
495 | // Get AliExternalTrackParam out of the AliESDtracks | |
18e7db05 | 496 | posV0track = new AliExternalTrackParam(*posVV0track); |
497 | negV0track = new AliExternalTrackParam(*negVV0track); | |
498 | ||
499 | // Define the AODv0 from ESDv0 if reading ESDs | |
500 | v0 = TransformESDv0toAODv0(esdV0,twoTrackArrayV0); | |
a07ad8e0 | 501 | } |
502 | if( !posV0track || !negV0track ){ | |
503 | AliDebug(1,Form(" Couldn't get the V0 daughters")); | |
504 | continue; | |
505 | } | |
506 | ||
507 | // fill in the v0 two-external-track-param array | |
508 | twoTrackArrayV0->AddAt(posV0track,0); | |
509 | twoTrackArrayV0->AddAt(negV0track,1); | |
510 | ||
a07ad8e0 | 511 | // Get the V0 dca |
18e7db05 | 512 | dcaV0 = v0->DcaV0Daughters(); |
a07ad8e0 | 513 | |
514 | // Define the V0 (neutral) track | |
515 | AliNeutralTrackParam *trackV0; | |
516 | if(fInputAOD) { | |
18e7db05 | 517 | const AliVTrack *trackVV0 = dynamic_cast<const AliVTrack*>(v0); |
518 | if(trackVV0) trackV0 = new AliNeutralTrackParam(trackVV0); | |
519 | } else { | |
a07ad8e0 | 520 | Double_t xyz[3], pxpypz[3]; |
521 | esdV0->XvYvZv(xyz); | |
522 | esdV0->PxPyPz(pxpypz); | |
523 | Double_t cv[21]; for(int i=0; i<21; i++) cv[i]=0; | |
524 | trackV0 = new AliNeutralTrackParam(xyz,pxpypz,cv,0); | |
525 | } | |
a07ad8e0 | 526 | // Fill in the object array to create the cascade |
527 | twoTrackArrayCasc->AddAt(postrack1,0); | |
528 | twoTrackArrayCasc->AddAt(trackV0,1); | |
529 | ||
530 | // Compute the cascade vertex | |
531 | AliAODVertex *vertexCasc = 0; | |
532 | if(fFindVertexForCascades) { | |
533 | // DCA between the two tracks | |
534 | dcaCasc = postrack1->GetDCA(trackV0,fBzkG,xdummy,ydummy); | |
535 | // Vertexing+ | |
536 | vertexCasc = ReconstructSecondaryVertex(twoTrackArrayCasc,dispersion,kFALSE); | |
537 | } else { | |
538 | // assume Cascade decays at the primary vertex | |
539 | Double_t pos[3],cov[6],chi2perNDF; | |
540 | fV1->GetXYZ(pos); | |
541 | fV1->GetCovMatrix(cov); | |
542 | chi2perNDF = fV1->GetChi2toNDF(); | |
543 | vertexCasc = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,2); | |
544 | dcaCasc = 0.; | |
545 | } | |
18e7db05 | 546 | if(!vertexCasc) { |
547 | delete posV0track; posV0track=NULL; | |
548 | delete negV0track; negV0track=NULL; | |
549 | delete trackV0; trackV0=NULL; | |
550 | if(!fInputAOD) {delete v0; v0=NULL;} | |
a07ad8e0 | 551 | twoTrackArrayCasc->Clear(); |
552 | continue; | |
553 | } | |
554 | ||
555 | // Create and store the Cascade if passed the cuts | |
18e7db05 | 556 | ioCascade = MakeCascade(twoTrackArrayCasc,event,vertexCasc,v0,dcaCasc,okCascades); |
a07ad8e0 | 557 | if(okCascades && ioCascade) { |
558 | AliDebug(1,Form("Storing a cascade object... ")); | |
559 | // add the vertex and the cascade to the AOD | |
560 | AliAODVertex *vCasc = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexCasc); | |
561 | rc = new(aodCascadesRef[iCascades++])AliAODRecoCascadeHF(*ioCascade); | |
562 | rc->SetSecondaryVtx(vCasc); | |
563 | vCasc->SetParent(rc); | |
564 | rc->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex()); | |
18e7db05 | 565 | if(!fInputAOD) vCasc->AddDaughter(v0); // just to fill ref #0 ?? |
a07ad8e0 | 566 | AddRefs(vCasc,rc,event,twoTrackArrayCasc); // add the track (proton) |
18e7db05 | 567 | vCasc->AddDaughter(v0); // fill the 2prong V0 |
a07ad8e0 | 568 | } |
569 | ||
570 | // Clean up | |
18e7db05 | 571 | delete posV0track; posV0track=NULL; |
572 | delete negV0track; negV0track=NULL; | |
573 | delete trackV0; trackV0=NULL; | |
a07ad8e0 | 574 | twoTrackArrayV0->Clear(); |
575 | twoTrackArrayCasc->Clear(); | |
576 | if(ioCascade) { delete ioCascade; ioCascade=NULL; } | |
577 | if(vertexCasc) { delete vertexCasc; vertexCasc=NULL; } | |
18e7db05 | 578 | if(!fInputAOD) {delete v0; v0=NULL;} |
a07ad8e0 | 579 | |
18e7db05 | 580 | } // end loop on V0's |
581 | } | |
582 | ||
a07ad8e0 | 583 | // If there is less than 2 particles exit |
584 | if(trkEntries<2) { | |
585 | AliDebug(1,Form(" Not enough tracks: %d",trkEntries)); | |
586 | return; | |
587 | } | |
588 | ||
dc963de9 | 589 | if(postrack1->Charge()<0 && !fLikeSign) continue; |
590 | ||
b056c5e3 | 591 | // LOOP ON NEGATIVE TRACKS |
2ff20727 | 592 | for(iTrkN1=0; iTrkN1<nSeleTrks; iTrkN1++) { |
dc963de9 | 593 | |
2ff20727 | 594 | if(iTrkN1%1==0) AliDebug(1,Form(" 1st loop on neg: track number %d of %d",iTrkN1,nSeleTrks)); |
dc963de9 | 595 | |
596 | if(iTrkN1==iTrkP1) continue; | |
597 | ||
b056c5e3 | 598 | // get track from tracks array |
2ff20727 | 599 | negtrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN1); |
dc963de9 | 600 | |
601 | if(negtrack1->Charge()>0 && !fLikeSign) continue; | |
602 | ||
603 | if(!TESTBIT(seleFlags[iTrkN1],kBitDispl)) continue; | |
604 | ||
a25935a9 | 605 | if(fMixEvent) { |
606 | if(evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
607 | } | |
608 | ||
dc963de9 | 609 | if(postrack1->Charge()==negtrack1->Charge()) { // like-sign |
423fb9ae | 610 | isLikeSign2Prong=kTRUE; |
dc963de9 | 611 | if(!fLikeSign) continue; |
612 | if(iTrkN1<iTrkP1) continue; // this is needed to avoid double-counting of like-sign | |
613 | } else { // unlike-sign | |
423fb9ae | 614 | isLikeSign2Prong=kFALSE; |
dc963de9 | 615 | if(postrack1->Charge()<0 || negtrack1->Charge()>0) continue; // this is needed to avoid double-counting of unlike-sign |
a25935a9 | 616 | if(fMixEvent) { |
617 | if(evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
618 | } | |
619 | ||
dc963de9 | 620 | } |
621 | ||
dcb444c9 | 622 | // back to primary vertex |
623 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
624 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
dc963de9 | 625 | |
b056c5e3 | 626 | // DCA between the two tracks |
627 | dcap1n1 = postrack1->GetDCA(negtrack1,fBzkG,xdummy,ydummy); | |
628 | if(dcap1n1>dcaMax) { negtrack1=0; continue; } | |
dc963de9 | 629 | |
b056c5e3 | 630 | // Vertexing |
631 | twoTrackArray1->AddAt(postrack1,0); | |
632 | twoTrackArray1->AddAt(negtrack1,1); | |
dcb444c9 | 633 | AliAODVertex *vertexp1n1 = ReconstructSecondaryVertex(twoTrackArray1,dispersion); |
b056c5e3 | 634 | if(!vertexp1n1) { |
635 | twoTrackArray1->Clear(); | |
636 | negtrack1=0; | |
637 | continue; | |
638 | } | |
dc963de9 | 639 | |
640 | // 2 prong candidate | |
641 | if(fD0toKpi || fJPSItoEle || fDstar || fLikeSign) { | |
b6e66d86 | 642 | |
2ff20727 | 643 | io2Prong = Make2Prong(twoTrackArray1,event,vertexp1n1,dcap1n1,okD0,okJPSI,okD0fromDstar); |
b6e66d86 | 644 | |
423fb9ae | 645 | if((fD0toKpi && okD0) || (fJPSItoEle && okJPSI) || (isLikeSign2Prong && (okD0 || okJPSI))) { |
2ff20727 | 646 | // add the vertex and the decay to the AOD |
647 | AliAODVertex *v2Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1); | |
423fb9ae | 648 | if(!isLikeSign2Prong) { |
dc963de9 | 649 | if(okD0) { |
650 | rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong); | |
651 | rd->SetSecondaryVtx(v2Prong); | |
652 | v2Prong->SetParent(rd); | |
a9b75906 | 653 | AddRefs(v2Prong,rd,event,twoTrackArray1); |
dc963de9 | 654 | } |
655 | if(okJPSI) { | |
656 | rd = new(aodJPSItoEleRef[iJPSItoEle++])AliAODRecoDecayHF2Prong(*io2Prong); | |
657 | rd->SetSecondaryVtx(v2Prong); | |
658 | if(!okD0) v2Prong->SetParent(rd); // it cannot have two mothers ... | |
a9b75906 | 659 | AddRefs(v2Prong,rd,event,twoTrackArray1); |
dc963de9 | 660 | } |
423fb9ae | 661 | } else { // isLikeSign2Prong |
662 | rd = new(aodLikeSign2ProngRef[iLikeSign2Prong++])AliAODRecoDecayHF2Prong(*io2Prong); | |
2ff20727 | 663 | rd->SetSecondaryVtx(v2Prong); |
664 | v2Prong->SetParent(rd); | |
d2e578da | 665 | AddRefs(v2Prong,rd,event,twoTrackArray1); |
dcb444c9 | 666 | } |
b056c5e3 | 667 | } |
dc963de9 | 668 | // D* candidates |
423fb9ae | 669 | if(fDstar && okD0fromDstar && !isLikeSign2Prong) { |
dc963de9 | 670 | // write references in io2Prong |
671 | if(fInputAOD) { | |
2ff20727 | 672 | AddDaughterRefs(vertexp1n1,event,twoTrackArray1); |
dc963de9 | 673 | } else { |
674 | vertexp1n1->AddDaughter(postrack1); | |
675 | vertexp1n1->AddDaughter(negtrack1); | |
2ff20727 | 676 | } |
dc963de9 | 677 | io2Prong->SetSecondaryVtx(vertexp1n1); |
678 | //printf("---> %d %d %d %d %d\n",vertexp1n1->GetNDaughters(),iTrkP1,iTrkN1,postrack1->Charge(),negtrack1->Charge()); | |
2ff20727 | 679 | // create a track from the D0 |
dcfa35b3 | 680 | AliNeutralTrackParam *trackD0 = new AliNeutralTrackParam(io2Prong); |
dc963de9 | 681 | |
2ff20727 | 682 | // LOOP ON TRACKS THAT PASSED THE SOFT PION CUTS |
683 | for(iTrkSoftPi=0; iTrkSoftPi<nSeleTrks; iTrkSoftPi++) { | |
dc963de9 | 684 | |
2ff20727 | 685 | if(iTrkSoftPi==iTrkP1 || iTrkSoftPi==iTrkN1) continue; |
dc963de9 | 686 | |
2ff20727 | 687 | if(!TESTBIT(seleFlags[iTrkSoftPi],kBitSoftPi)) continue; |
dc963de9 | 688 | |
a25935a9 | 689 | if(fMixEvent) { |
690 | if(evtNumber[iTrkP1]==evtNumber[iTrkSoftPi] || | |
691 | evtNumber[iTrkN1]==evtNumber[iTrkSoftPi] || | |
692 | evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
693 | } | |
694 | ||
2ff20727 | 695 | if(iTrkSoftPi%1==0) AliDebug(1,Form(" 1st loop on pi_s: track number %d of %d",iTrkSoftPi,nSeleTrks)); |
dc963de9 | 696 | |
eee95e18 | 697 | trackD0->PropagateToDCA(fV1,fBzkG,kVeryBig); |
698 | if(trackD0->GetSigmaY2()<0. || trackD0->GetSigmaZ2()<0.) continue; // this is insipired by the AliITStrackV2::Invariant() checks | |
699 | ||
2ff20727 | 700 | // get track from tracks array |
701 | trackPi = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkSoftPi); | |
2ff20727 | 702 | trackPi->PropagateToDCA(fV1,fBzkG,kVeryBig); |
dc963de9 | 703 | |
2ff20727 | 704 | twoTrackArrayCasc->AddAt(trackPi,0); |
705 | twoTrackArrayCasc->AddAt(trackD0,1); | |
eee95e18 | 706 | |
707 | AliAODVertex *vertexCasc = 0; | |
708 | ||
709 | if(fFindVertexForDstar) { | |
710 | // DCA between the two tracks | |
711 | dcaCasc = trackPi->GetDCA(trackD0,fBzkG,xdummy,ydummy); | |
712 | // Vertexing | |
713 | vertexCasc = ReconstructSecondaryVertex(twoTrackArrayCasc,dispersion,kFALSE); | |
714 | } else { | |
715 | // assume Dstar decays at the primary vertex | |
716 | Double_t pos[3],cov[6],chi2perNDF; | |
717 | fV1->GetXYZ(pos); | |
718 | fV1->GetCovMatrix(cov); | |
719 | chi2perNDF = fV1->GetChi2toNDF(); | |
720 | vertexCasc = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,2); | |
721 | dcaCasc = 0.; | |
722 | } | |
2ff20727 | 723 | if(!vertexCasc) { |
724 | twoTrackArrayCasc->Clear(); | |
725 | trackPi=0; | |
726 | continue; | |
727 | } | |
dc963de9 | 728 | |
2ff20727 | 729 | ioCascade = MakeCascade(twoTrackArrayCasc,event,vertexCasc,io2Prong,dcaCasc,okDstar); |
730 | if(okDstar) { | |
dc963de9 | 731 | // add the D0 to the AOD (if not already done) |
2ff20727 | 732 | if(!okD0) { |
2ff20727 | 733 | AliAODVertex *v2Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1); |
2ff20727 | 734 | rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong); |
735 | rd->SetSecondaryVtx(v2Prong); | |
736 | v2Prong->SetParent(rd); | |
a9b75906 | 737 | AddRefs(v2Prong,rd,event,twoTrackArray1); |
2ff20727 | 738 | okD0=kTRUE; // this is done to add it only once |
739 | } | |
740 | // add the vertex and the cascade to the AOD | |
741 | AliAODVertex *vCasc = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexCasc); | |
2ff20727 | 742 | rc = new(aodDstarRef[iDstar++])AliAODRecoCascadeHF(*ioCascade); |
2ff20727 | 743 | rc->SetSecondaryVtx(vCasc); |
744 | vCasc->SetParent(rc); | |
a9b75906 | 745 | if(!fInputAOD) vCasc->AddDaughter(rd); // just to fill ref #0 |
746 | AddRefs(vCasc,rc,event,twoTrackArrayCasc); | |
747 | vCasc->AddDaughter(rd); // add the D0 (in ref #1) | |
2ff20727 | 748 | } |
749 | twoTrackArrayCasc->Clear(); | |
750 | trackPi=0; | |
0a65d33f | 751 | if(ioCascade) {delete ioCascade; ioCascade=NULL;} |
b6e66d86 | 752 | delete vertexCasc; vertexCasc=NULL; |
2ff20727 | 753 | } // end loop on soft pi tracks |
dc963de9 | 754 | |
2ff20727 | 755 | if(trackD0) {delete trackD0; trackD0=NULL;} |
dc963de9 | 756 | |
2ff20727 | 757 | } |
0a65d33f | 758 | if(io2Prong) {delete io2Prong; io2Prong=NULL;} |
2ff20727 | 759 | } |
dc963de9 | 760 | |
b056c5e3 | 761 | twoTrackArray1->Clear(); |
423fb9ae | 762 | if( (!f3Prong && !f4Prong) || |
763 | (isLikeSign2Prong && !f3Prong) ) { | |
b056c5e3 | 764 | negtrack1=0; |
765 | delete vertexp1n1; | |
766 | continue; | |
767 | } | |
768 | ||
769 | ||
770 | // 2nd LOOP ON POSITIVE TRACKS | |
2ff20727 | 771 | for(iTrkP2=iTrkP1+1; iTrkP2<nSeleTrks; iTrkP2++) { |
dc963de9 | 772 | |
2ff20727 | 773 | if(iTrkP2==iTrkP1 || iTrkP2==iTrkN1) continue; |
dc963de9 | 774 | |
2ff20727 | 775 | if(iTrkP2%1==0) AliDebug(1,Form(" 2nd loop on pos: track number %d of %d",iTrkP2,nSeleTrks)); |
dc963de9 | 776 | |
b056c5e3 | 777 | // get track from tracks array |
2ff20727 | 778 | postrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkP2); |
dc963de9 | 779 | |
780 | if(postrack2->Charge()<0) continue; | |
781 | ||
782 | if(!TESTBIT(seleFlags[iTrkP2],kBitDispl)) continue; | |
783 | ||
a25935a9 | 784 | if(fMixEvent) { |
785 | if(evtNumber[iTrkP1]==evtNumber[iTrkP2] || | |
786 | evtNumber[iTrkN1]==evtNumber[iTrkP2] || | |
787 | evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
788 | } | |
789 | ||
423fb9ae | 790 | if(isLikeSign2Prong) { // like-sign pair -> have to build only like-sign triplet |
791 | if(postrack1->Charge()>0) { // ok: like-sign triplet (+++) | |
792 | isLikeSign3Prong=kTRUE; | |
793 | } else { // not ok | |
794 | continue; | |
795 | } | |
796 | } else { // normal triplet (+-+) | |
797 | isLikeSign3Prong=kFALSE; | |
a25935a9 | 798 | if(fMixEvent) { |
799 | if(evtNumber[iTrkP1]==evtNumber[iTrkP2] || | |
800 | evtNumber[iTrkN1]==evtNumber[iTrkP2] || | |
801 | evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
802 | } | |
423fb9ae | 803 | } |
804 | ||
dcb444c9 | 805 | // back to primary vertex |
806 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
807 | postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
808 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
2ff20727 | 809 | //printf("********** %d %d %d\n",postrack1->GetID(),postrack2->GetID(),negtrack1->GetID()); |
dc963de9 | 810 | |
b056c5e3 | 811 | dcap2n1 = postrack2->GetDCA(negtrack1,fBzkG,xdummy,ydummy); |
812 | if(dcap2n1>dcaMax) { postrack2=0; continue; } | |
813 | dcap1p2 = postrack2->GetDCA(postrack1,fBzkG,xdummy,ydummy); | |
814 | if(dcap1p2>dcaMax) { postrack2=0; continue; } | |
815 | ||
816 | // Vertexing | |
817 | twoTrackArray2->AddAt(postrack2,0); | |
818 | twoTrackArray2->AddAt(negtrack1,1); | |
dcb444c9 | 819 | AliAODVertex *vertexp2n1 = ReconstructSecondaryVertex(twoTrackArray2,dispersion); |
b056c5e3 | 820 | if(!vertexp2n1) { |
821 | twoTrackArray2->Clear(); | |
822 | postrack2=0; | |
423fb9ae | 823 | continue; |
b056c5e3 | 824 | } |
dc963de9 | 825 | |
826 | // 3 prong candidates | |
b056c5e3 | 827 | if(f3Prong) { |
423fb9ae | 828 | if(postrack2->Charge()>0) { |
829 | threeTrackArray->AddAt(postrack1,0); | |
830 | threeTrackArray->AddAt(negtrack1,1); | |
831 | threeTrackArray->AddAt(postrack2,2); | |
832 | } else { | |
833 | threeTrackArray->AddAt(negtrack1,0); | |
834 | threeTrackArray->AddAt(postrack1,1); | |
835 | threeTrackArray->AddAt(postrack2,2); | |
836 | } | |
dc963de9 | 837 | |
dcb444c9 | 838 | AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion); |
839 | io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp2n1,dcap1n1,dcap2n1,dcap1p2,ok3Prong); | |
b056c5e3 | 840 | if(ok3Prong) { |
2ff20727 | 841 | AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD); |
423fb9ae | 842 | if(!isLikeSign3Prong) { |
843 | rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
844 | rd->SetSecondaryVtx(v3Prong); | |
845 | v3Prong->SetParent(rd); | |
a9b75906 | 846 | AddRefs(v3Prong,rd,event,threeTrackArray); |
423fb9ae | 847 | } else { // isLikeSign3Prong |
848 | rd = new(aodLikeSign3ProngRef[iLikeSign3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
849 | rd->SetSecondaryVtx(v3Prong); | |
850 | v3Prong->SetParent(rd); | |
a9b75906 | 851 | AddRefs(v3Prong,rd,event,threeTrackArray); |
423fb9ae | 852 | } |
b056c5e3 | 853 | } |
b6e66d86 | 854 | if(io3Prong) {delete io3Prong; io3Prong=NULL;} |
855 | if(secVert3PrAOD) {delete secVert3PrAOD; secVert3PrAOD=NULL;} | |
b056c5e3 | 856 | } |
dc963de9 | 857 | |
858 | // 4 prong candidates | |
423fb9ae | 859 | if(f4Prong |
860 | // don't make 4 prong with like-sign pairs and triplets | |
861 | && !isLikeSign2Prong && !isLikeSign3Prong | |
fae0f82d | 862 | // track-to-track dca cuts already now |
cb8088a2 | 863 | && dcap1n1 < fCutsD0toKpipipi->GetDCACut() |
864 | && dcap2n1 < fCutsD0toKpipipi->GetDCACut()) { | |
dc963de9 | 865 | |
721c0b8f | 866 | // back to primary vertex |
867 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
868 | postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
869 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
870 | // Vertexing for these 3 (can be taken from above?) | |
871 | threeTrackArray->AddAt(postrack1,0); | |
872 | threeTrackArray->AddAt(negtrack1,1); | |
873 | threeTrackArray->AddAt(postrack2,2); | |
874 | AliAODVertex* vertexp1n1p2 = ReconstructSecondaryVertex(threeTrackArray,dispersion); | |
875 | ||
b056c5e3 | 876 | // 3rd LOOP ON NEGATIVE TRACKS (for 4 prong) |
2ff20727 | 877 | for(iTrkN2=iTrkN1+1; iTrkN2<nSeleTrks; iTrkN2++) { |
dc963de9 | 878 | |
2ff20727 | 879 | if(iTrkN2==iTrkP1 || iTrkN2==iTrkP2 || iTrkN2==iTrkN1) continue; |
dc963de9 | 880 | |
2ff20727 | 881 | if(iTrkN2%1==0) AliDebug(1,Form(" 3rd loop on neg: track number %d of %d",iTrkN2,nSeleTrks)); |
dc963de9 | 882 | |
b056c5e3 | 883 | // get track from tracks array |
2ff20727 | 884 | negtrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN2); |
dc963de9 | 885 | |
886 | if(negtrack2->Charge()>0) continue; | |
887 | ||
888 | if(!TESTBIT(seleFlags[iTrkN2],kBitDispl)) continue; | |
a25935a9 | 889 | if(fMixEvent){ |
890 | if(evtNumber[iTrkP1]==evtNumber[iTrkN2] || | |
891 | evtNumber[iTrkN1]==evtNumber[iTrkN2] || | |
892 | evtNumber[iTrkP2]==evtNumber[iTrkN2] || | |
893 | evtNumber[iTrkP1]==evtNumber[iTrkN1] || | |
894 | evtNumber[iTrkP1]==evtNumber[iTrkP2] || | |
895 | evtNumber[iTrkN1]==evtNumber[iTrkP2]) continue; | |
896 | } | |
dc963de9 | 897 | |
dcb444c9 | 898 | // back to primary vertex |
899 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
900 | postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
901 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
902 | negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
b056c5e3 | 903 | dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); |
cb8088a2 | 904 | if(dcap1n2 > fCutsD0toKpipipi->GetDCACut()) { negtrack2=0; continue; } |
721c0b8f | 905 | dcap2n2 = postrack2->GetDCA(negtrack2,fBzkG,xdummy,ydummy); |
cb8088a2 | 906 | if(dcap2n2 > fCutsD0toKpipipi->GetDCACut()) { negtrack2=0; continue; } |
dc963de9 | 907 | |
b056c5e3 | 908 | // Vertexing |
909 | fourTrackArray->AddAt(postrack1,0); | |
910 | fourTrackArray->AddAt(negtrack1,1); | |
911 | fourTrackArray->AddAt(postrack2,2); | |
912 | fourTrackArray->AddAt(negtrack2,3); | |
dc963de9 | 913 | |
dcb444c9 | 914 | AliAODVertex* secVert4PrAOD = ReconstructSecondaryVertex(fourTrackArray,dispersion); |
721c0b8f | 915 | io4Prong = Make4Prong(fourTrackArray,event,secVert4PrAOD,vertexp1n1,vertexp1n1p2,dcap1n1,dcap1n2,dcap2n1,dcap2n2,ok4Prong); |
b056c5e3 | 916 | if(ok4Prong) { |
2ff20727 | 917 | AliAODVertex *v4Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert4PrAOD); |
2ff20727 | 918 | rd = new(aodCharm4ProngRef[i4Prong++])AliAODRecoDecayHF4Prong(*io4Prong); |
919 | rd->SetSecondaryVtx(v4Prong); | |
920 | v4Prong->SetParent(rd); | |
a9b75906 | 921 | AddRefs(v4Prong,rd,event,fourTrackArray); |
b056c5e3 | 922 | } |
dc963de9 | 923 | |
b6e66d86 | 924 | if(io4Prong) {delete io4Prong; io4Prong=NULL;} |
925 | if(secVert4PrAOD) {delete secVert4PrAOD; secVert4PrAOD=NULL;} | |
b056c5e3 | 926 | fourTrackArray->Clear(); |
927 | negtrack2 = 0; | |
dc963de9 | 928 | |
b056c5e3 | 929 | } // end loop on negative tracks |
dc963de9 | 930 | |
721c0b8f | 931 | threeTrackArray->Clear(); |
932 | delete vertexp1n1p2; | |
933 | ||
b056c5e3 | 934 | } |
dc963de9 | 935 | |
b056c5e3 | 936 | postrack2 = 0; |
937 | delete vertexp2n1; | |
dc963de9 | 938 | |
b056c5e3 | 939 | } // end 2nd loop on positive tracks |
dc963de9 | 940 | |
b056c5e3 | 941 | twoTrackArray2->Clear(); |
942 | ||
423fb9ae | 943 | // 2nd LOOP ON NEGATIVE TRACKS (for 3 prong -+-) |
2ff20727 | 944 | for(iTrkN2=iTrkN1+1; iTrkN2<nSeleTrks; iTrkN2++) { |
dc963de9 | 945 | |
2ff20727 | 946 | if(iTrkN2==iTrkP1 || iTrkN2==iTrkP2 || iTrkN2==iTrkN1) continue; |
dc963de9 | 947 | |
2ff20727 | 948 | if(iTrkN2%1==0) AliDebug(1,Form(" 2nd loop on neg: track number %d of %d",iTrkN2,nSeleTrks)); |
dc963de9 | 949 | |
b056c5e3 | 950 | // get track from tracks array |
2ff20727 | 951 | negtrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN2); |
dc963de9 | 952 | |
953 | if(negtrack2->Charge()>0) continue; | |
954 | ||
955 | if(!TESTBIT(seleFlags[iTrkN2],kBitDispl)) continue; | |
956 | ||
a25935a9 | 957 | if(fMixEvent) { |
958 | if(evtNumber[iTrkP1]==evtNumber[iTrkN2] || | |
959 | evtNumber[iTrkN1]==evtNumber[iTrkN2] || | |
960 | evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
961 | } | |
962 | ||
423fb9ae | 963 | if(isLikeSign2Prong) { // like-sign pair -> have to build only like-sign triplet |
964 | if(postrack1->Charge()<0) { // ok: like-sign triplet (---) | |
965 | isLikeSign3Prong=kTRUE; | |
966 | } else { // not ok | |
967 | continue; | |
968 | } | |
969 | } else { // normal triplet (-+-) | |
a25935a9 | 970 | isLikeSign3Prong=kFALSE; |
423fb9ae | 971 | } |
972 | ||
dcb444c9 | 973 | // back to primary vertex |
974 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
975 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
976 | negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
2ff20727 | 977 | //printf("********** %d %d %d\n",postrack1->GetID(),negtrack1->GetID(),negtrack2->GetID()); |
dc963de9 | 978 | |
b056c5e3 | 979 | dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); |
980 | if(dcap1n2>dcaMax) { negtrack2=0; continue; } | |
981 | dcan1n2 = negtrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); | |
982 | if(dcan1n2>dcaMax) { negtrack2=0; continue; } | |
983 | ||
984 | // Vertexing | |
985 | twoTrackArray2->AddAt(postrack1,0); | |
986 | twoTrackArray2->AddAt(negtrack2,1); | |
dcb444c9 | 987 | |
988 | AliAODVertex *vertexp1n2 = ReconstructSecondaryVertex(twoTrackArray2,dispersion); | |
b056c5e3 | 989 | if(!vertexp1n2) { |
990 | twoTrackArray2->Clear(); | |
991 | negtrack2=0; | |
992 | continue; | |
993 | } | |
dc963de9 | 994 | |
b056c5e3 | 995 | if(f3Prong) { |
996 | threeTrackArray->AddAt(negtrack1,0); | |
997 | threeTrackArray->AddAt(postrack1,1); | |
998 | threeTrackArray->AddAt(negtrack2,2); | |
dcb444c9 | 999 | AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion); |
1000 | io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp1n2,dcap1n1,dcap1n2,dcan1n2,ok3Prong); | |
b056c5e3 | 1001 | if(ok3Prong) { |
2ff20727 | 1002 | AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD); |
423fb9ae | 1003 | if(!isLikeSign3Prong) { |
1004 | rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
1005 | rd->SetSecondaryVtx(v3Prong); | |
1006 | v3Prong->SetParent(rd); | |
a9b75906 | 1007 | AddRefs(v3Prong,rd,event,threeTrackArray); |
423fb9ae | 1008 | } else { // isLikeSign3Prong |
1009 | rd = new(aodLikeSign3ProngRef[iLikeSign3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
1010 | rd->SetSecondaryVtx(v3Prong); | |
1011 | v3Prong->SetParent(rd); | |
a9b75906 | 1012 | AddRefs(v3Prong,rd,event,threeTrackArray); |
423fb9ae | 1013 | } |
b056c5e3 | 1014 | } |
b6e66d86 | 1015 | if(io3Prong) {delete io3Prong; io3Prong=NULL;} |
1016 | if(secVert3PrAOD) {delete secVert3PrAOD; secVert3PrAOD=NULL;} | |
b056c5e3 | 1017 | } |
dc963de9 | 1018 | |
b056c5e3 | 1019 | negtrack2 = 0; |
1020 | delete vertexp1n2; | |
dc963de9 | 1021 | |
b056c5e3 | 1022 | } // end 2nd loop on negative tracks |
423fb9ae | 1023 | |
b056c5e3 | 1024 | twoTrackArray2->Clear(); |
1025 | ||
1026 | negtrack1 = 0; | |
1027 | delete vertexp1n1; | |
1028 | } // end 1st loop on negative tracks | |
1029 | ||
1030 | postrack1 = 0; | |
1031 | } // end 1st loop on positive tracks | |
1032 | ||
1033 | ||
2ff20727 | 1034 | AliDebug(1,Form(" Total HF vertices in event = %d;", |
1035 | (Int_t)aodVerticesHFTClArr->GetEntriesFast())); | |
b056c5e3 | 1036 | if(fD0toKpi) { |
dcb444c9 | 1037 | AliDebug(1,Form(" D0->Kpi in event = %d;", |
1038 | (Int_t)aodD0toKpiTClArr->GetEntriesFast())); | |
b056c5e3 | 1039 | } |
1040 | if(fJPSItoEle) { | |
dcb444c9 | 1041 | AliDebug(1,Form(" JPSI->ee in event = %d;", |
1042 | (Int_t)aodJPSItoEleTClArr->GetEntriesFast())); | |
b056c5e3 | 1043 | } |
1044 | if(f3Prong) { | |
dcb444c9 | 1045 | AliDebug(1,Form(" Charm->3Prong in event = %d;", |
1046 | (Int_t)aodCharm3ProngTClArr->GetEntriesFast())); | |
b056c5e3 | 1047 | } |
1048 | if(f4Prong) { | |
dcb444c9 | 1049 | AliDebug(1,Form(" Charm->4Prong in event = %d;\n", |
1050 | (Int_t)aodCharm4ProngTClArr->GetEntriesFast())); | |
b056c5e3 | 1051 | } |
2ff20727 | 1052 | if(fDstar) { |
1053 | AliDebug(1,Form(" D*->D0pi in event = %d;\n", | |
1054 | (Int_t)aodDstarTClArr->GetEntriesFast())); | |
1055 | } | |
a07ad8e0 | 1056 | if(fCascades){ |
1057 | AliDebug(1,Form(" cascades -> v0 + track in event = %d;\n", | |
1058 | (Int_t)aodCascadesTClArr->GetEntriesFast())); | |
1059 | } | |
dc963de9 | 1060 | if(fLikeSign) { |
423fb9ae | 1061 | AliDebug(1,Form(" Like-sign 2Prong in event = %d;\n", |
1062 | (Int_t)aodLikeSign2ProngTClArr->GetEntriesFast())); | |
1063 | } | |
1064 | if(fLikeSign && f3Prong) { | |
1065 | AliDebug(1,Form(" Like-sign 3Prong in event = %d;\n", | |
1066 | (Int_t)aodLikeSign3ProngTClArr->GetEntriesFast())); | |
dc963de9 | 1067 | } |
b056c5e3 | 1068 | |
1069 | ||
dcb444c9 | 1070 | twoTrackArray1->Delete(); delete twoTrackArray1; |
1071 | twoTrackArray2->Delete(); delete twoTrackArray2; | |
2ff20727 | 1072 | twoTrackArrayCasc->Delete(); delete twoTrackArrayCasc; |
a07ad8e0 | 1073 | twoTrackArrayV0->Delete(); delete twoTrackArrayV0; |
b056c5e3 | 1074 | threeTrackArray->Clear(); |
1075 | threeTrackArray->Delete(); delete threeTrackArray; | |
dcb444c9 | 1076 | fourTrackArray->Delete(); delete fourTrackArray; |
2ff20727 | 1077 | delete [] seleFlags; seleFlags=NULL; |
a25935a9 | 1078 | if(evtNumber) {delete [] evtNumber; evtNumber=NULL;} |
b056c5e3 | 1079 | |
dcb444c9 | 1080 | if(fInputAOD) { |
b6e66d86 | 1081 | seleTrksArray.Delete(); |
c8ab4e4f | 1082 | if(fAODMap) { delete fAODMap; fAODMap=NULL; } |
dcb444c9 | 1083 | } |
b056c5e3 | 1084 | |
1085 | return; | |
1086 | } | |
1087 | //---------------------------------------------------------------------------- | |
a9b75906 | 1088 | void AliAnalysisVertexingHF::AddRefs(AliAODVertex *v,AliAODRecoDecayHF *rd, |
1089 | const AliVEvent *event, | |
1090 | const TObjArray *trkArray) const | |
1091 | { | |
1092 | // Add the AOD tracks as daughters of the vertex (TRef) | |
1093 | // Also add the references to the primary vertex and to the cuts | |
1094 | ||
1095 | if(fInputAOD) { | |
1096 | AddDaughterRefs(v,event,trkArray); | |
1097 | rd->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex()); | |
1098 | } | |
1099 | ||
1100 | /* | |
1101 | rd->SetListOfCutsRef((TList*)fListOfCuts); | |
1102 | //fListOfCuts->Print(); | |
1103 | cout<<fListOfCuts<<endl; | |
1104 | TList *l=(TList*)rd->GetListOfCuts(); | |
1105 | cout<<l<<endl; | |
1106 | if(l) {l->Print(); }else{printf("error\n");} | |
1107 | */ | |
1108 | ||
1109 | return; | |
1110 | } | |
1111 | //---------------------------------------------------------------------------- | |
c4cdf105 | 1112 | void AliAnalysisVertexingHF::AddDaughterRefs(AliAODVertex *v, |
1113 | const AliVEvent *event, | |
1114 | const TObjArray *trkArray) const | |
6a213b59 | 1115 | { |
dcb444c9 | 1116 | // Add the AOD tracks as daughters of the vertex (TRef) |
6a213b59 | 1117 | |
6853a9ea | 1118 | Int_t nDg = v->GetNDaughters(); |
1119 | TObject *dg = 0; | |
1120 | if(nDg) dg = v->GetDaughter(0); | |
a07ad8e0 | 1121 | |
6853a9ea | 1122 | if(dg) return; // daughters already added |
a9b75906 | 1123 | |
dcb444c9 | 1124 | Int_t nTrks = trkArray->GetEntriesFast(); |
6a213b59 | 1125 | |
e18fbfa7 | 1126 | AliExternalTrackParam *track = 0; |
dcb444c9 | 1127 | AliAODTrack *aodTrack = 0; |
1128 | Int_t id; | |
6a213b59 | 1129 | |
dcb444c9 | 1130 | for(Int_t i=0; i<nTrks; i++) { |
e18fbfa7 | 1131 | track = (AliExternalTrackParam*)trkArray->UncheckedAt(i); |
1132 | id = (Int_t)track->GetID(); | |
2ff20727 | 1133 | //printf("---> %d\n",id); |
e18fbfa7 | 1134 | if(id<0) continue; // this track is a AliAODRecoDecay |
dcb444c9 | 1135 | aodTrack = (AliAODTrack*)event->GetTrack(fAODMap[id]); |
1136 | v->AddDaughter(aodTrack); | |
6a213b59 | 1137 | } |
6a213b59 | 1138 | |
1139 | return; | |
dcb444c9 | 1140 | } |
6a213b59 | 1141 | //---------------------------------------------------------------------------- |
2ff20727 | 1142 | AliAODRecoCascadeHF* AliAnalysisVertexingHF::MakeCascade( |
1143 | TObjArray *twoTrackArray,AliVEvent *event, | |
1144 | AliAODVertex *secVert, | |
1145 | AliAODRecoDecayHF2Prong *rd2Prong, | |
1146 | Double_t dca, | |
1147 | Bool_t &okDstar) const | |
1148 | { | |
1149 | // Make the cascade as a 2Prong decay and check if it passes Dstar | |
1150 | // reconstruction cuts | |
1151 | ||
1152 | okDstar = kFALSE; | |
1153 | ||
1154 | Bool_t dummy1,dummy2,dummy3; | |
1155 | ||
1156 | // We use Make2Prong to construct the AliAODRecoCascadeHF | |
1157 | // (which inherits from AliAODRecoDecayHF2Prong) | |
1158 | AliAODRecoCascadeHF *theCascade = | |
1159 | (AliAODRecoCascadeHF*)Make2Prong(twoTrackArray,event,secVert,dca, | |
1160 | dummy1,dummy2,dummy3); | |
1161 | if(!theCascade) return 0x0; | |
1162 | ||
1163 | // charge | |
1164 | AliESDtrack *trackPi = (AliESDtrack*)twoTrackArray->UncheckedAt(0); | |
1165 | theCascade->SetCharge(trackPi->Charge()); | |
1166 | ||
1167 | //--- selection cuts | |
1168 | // | |
1169 | AliAODRecoCascadeHF *tmpCascade = new AliAODRecoCascadeHF(*theCascade); | |
dcfa35b3 | 1170 | tmpCascade->GetSecondaryVtx()->AddDaughter(trackPi); |
1171 | tmpCascade->GetSecondaryVtx()->AddDaughter(rd2Prong); | |
2ff20727 | 1172 | AliAODVertex *primVertexAOD=0; |
1173 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) { | |
1174 | // take event primary vertex | |
1175 | primVertexAOD = PrimaryVertex(); | |
1176 | tmpCascade->SetOwnPrimaryVtx(primVertexAOD); | |
1177 | rd2Prong->SetOwnPrimaryVtx(primVertexAOD); | |
1178 | } | |
1179 | // select D*->D0pi | |
1180 | if(fDstar) { | |
aa0fbb4a | 1181 | okDstar = (Bool_t)fCutsDStartoKpipi->IsSelected(tmpCascade,AliRDHFCuts::kCandidate); |
2ff20727 | 1182 | } |
dcfa35b3 | 1183 | tmpCascade->GetSecondaryVtx()->RemoveDaughters(); |
2ff20727 | 1184 | tmpCascade->UnsetOwnPrimaryVtx(); |
2ff20727 | 1185 | delete tmpCascade; tmpCascade=NULL; |
a25935a9 | 1186 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) { |
2ff20727 | 1187 | rd2Prong->UnsetOwnPrimaryVtx(); |
2ff20727 | 1188 | } |
b6e66d86 | 1189 | if(primVertexAOD) {delete primVertexAOD; primVertexAOD=NULL;} |
2ff20727 | 1190 | //--- |
1191 | ||
1192 | return theCascade; | |
1193 | } | |
a07ad8e0 | 1194 | |
1195 | ||
1196 | //---------------------------------------------------------------------------- | |
1197 | AliAODRecoCascadeHF* AliAnalysisVertexingHF::MakeCascade( | |
1198 | TObjArray *twoTrackArray,AliVEvent *event, | |
1199 | AliAODVertex *secVert, | |
1200 | AliAODv0 *v0, | |
1201 | Double_t dca, | |
1202 | Bool_t &okCascades) const | |
1203 | { | |
1204 | // | |
1205 | // Make the cascade as a 2Prong decay and check if it passes | |
1206 | // cascades reconstruction cuts | |
1207 | ||
1208 | // AliDebug(2,Form(" building the cascade")); | |
1209 | okCascades= kFALSE; | |
1210 | Bool_t dummy1,dummy2,dummy3; | |
1211 | ||
1212 | // We use Make2Prong to construct the AliAODRecoCascadeHF | |
1213 | // (which inherits from AliAODRecoDecayHF2Prong) | |
1214 | AliAODRecoCascadeHF *theCascade = | |
1215 | (AliAODRecoCascadeHF*)Make2Prong(twoTrackArray,event,secVert,dca, | |
1216 | dummy1,dummy2,dummy3); | |
1217 | if(!theCascade) return 0x0; | |
1218 | ||
1219 | // bachelor track and charge | |
1220 | AliESDtrack *trackBachelor = (AliESDtrack*)twoTrackArray->UncheckedAt(0); | |
1221 | theCascade->SetCharge(trackBachelor->Charge()); | |
1222 | ||
1223 | //--- selection cuts | |
1224 | // | |
1225 | AliAODRecoCascadeHF *tmpCascade = new AliAODRecoCascadeHF(*theCascade); | |
1226 | tmpCascade->GetSecondaryVtx()->AddDaughter(trackBachelor); | |
1227 | tmpCascade->GetSecondaryVtx()->AddDaughter(v0); | |
1228 | AliAODVertex *primVertexAOD=0; | |
1229 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) { | |
1230 | // take event primary vertex | |
1231 | primVertexAOD = PrimaryVertex(); | |
1232 | if(!primVertexAOD) primVertexAOD = (AliAODVertex*)event->GetPrimaryVertex(); | |
1233 | tmpCascade->SetOwnPrimaryVtx(primVertexAOD); | |
1234 | } | |
1235 | ||
1236 | // select Cascades | |
18e7db05 | 1237 | Bool_t okLcksp=0, okLcLpi=0; |
a07ad8e0 | 1238 | if(fCascades && fInputAOD){ |
cb8088a2 | 1239 | okCascades = (Bool_t)fCutsLctoV0->IsSelected(tmpCascade,AliRDHFCuts::kCandidate); |
1240 | if(okCascades==1) okLcksp=1; | |
1241 | if(okCascades==2) okLcLpi=1; | |
1242 | if(okCascades==3) { okLcksp=1; okLcLpi=1;} | |
a07ad8e0 | 1243 | } |
18e7db05 | 1244 | else { AliDebug(2,Form("The cascade is contructed from ESDs, no cuts are applied")); okCascades=kTRUE; }// no cuts implemented from ESDs |
a07ad8e0 | 1245 | tmpCascade->GetSecondaryVtx()->RemoveDaughters(); |
1246 | tmpCascade->UnsetOwnPrimaryVtx(); | |
1247 | delete tmpCascade; tmpCascade=NULL; | |
1248 | if(primVertexAOD) {delete primVertexAOD; primVertexAOD=NULL;} | |
1249 | //--- | |
1250 | ||
1251 | return theCascade; | |
1252 | } | |
1253 | ||
2ff20727 | 1254 | //----------------------------------------------------------------------------- |
6a213b59 | 1255 | AliAODRecoDecayHF2Prong *AliAnalysisVertexingHF::Make2Prong( |
2ff20727 | 1256 | TObjArray *twoTrackArray,AliVEvent *event, |
dcb444c9 | 1257 | AliAODVertex *secVert,Double_t dca, |
2ff20727 | 1258 | Bool_t &okD0,Bool_t &okJPSI, |
1259 | Bool_t &okD0fromDstar) const | |
6a213b59 | 1260 | { |
1261 | // Make 2Prong candidates and check if they pass D0toKpi or BtoJPSI | |
1262 | // reconstruction cuts | |
1263 | // G.E.Bruno (J/psi), A.Dainese (D0->Kpi) | |
1264 | ||
2ff20727 | 1265 | okD0=kFALSE; okJPSI=kFALSE; okD0fromDstar=kFALSE; |
6a213b59 | 1266 | |
1267 | Double_t px[2],py[2],pz[2],d0[2],d0err[2]; | |
2ff20727 | 1268 | AliESDtrack *postrack = (AliESDtrack*)twoTrackArray->UncheckedAt(0); |
1269 | AliESDtrack *negtrack = (AliESDtrack*)twoTrackArray->UncheckedAt(1); | |
6a213b59 | 1270 | |
1271 | // propagate tracks to secondary vertex, to compute inv. mass | |
dcb444c9 | 1272 | postrack->PropagateToDCA(secVert,fBzkG,kVeryBig); |
1273 | negtrack->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 1274 | |
1275 | Double_t momentum[3]; | |
1276 | postrack->GetPxPyPz(momentum); | |
1277 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
1278 | negtrack->GetPxPyPz(momentum); | |
1279 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
1280 | ||
1281 | ||
1282 | // invariant mass cut (try to improve coding here..) | |
1283 | Bool_t okMassCut=kFALSE; | |
dcb444c9 | 1284 | if(!okMassCut && fD0toKpi) if(SelectInvMass(0,2,px,py,pz)) okMassCut=kTRUE; |
6a213b59 | 1285 | if(!okMassCut && fJPSItoEle) if(SelectInvMass(1,2,px,py,pz)) okMassCut=kTRUE; |
2ff20727 | 1286 | if(!okMassCut && fDstar) if(SelectInvMass(3,2,px,py,pz)) okMassCut=kTRUE; |
6a213b59 | 1287 | if(!okMassCut) { |
dcb444c9 | 1288 | AliDebug(2," candidate didn't pass mass cut"); |
6a213b59 | 1289 | return 0x0; |
1290 | } | |
dcb444c9 | 1291 | // primary vertex to be used by this candidate |
2ff20727 | 1292 | AliAODVertex *primVertexAOD = PrimaryVertex(twoTrackArray,event); |
dcb444c9 | 1293 | if(!primVertexAOD) return 0x0; |
6a213b59 | 1294 | |
a25935a9 | 1295 | |
dcb444c9 | 1296 | Double_t d0z0[2],covd0z0[3]; |
1297 | postrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
6a213b59 | 1298 | d0[0] = d0z0[0]; |
1299 | d0err[0] = TMath::Sqrt(covd0z0[0]); | |
dcb444c9 | 1300 | negtrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); |
6a213b59 | 1301 | d0[1] = d0z0[0]; |
1302 | d0err[1] = TMath::Sqrt(covd0z0[0]); | |
b6e66d86 | 1303 | |
6a213b59 | 1304 | // create the object AliAODRecoDecayHF2Prong |
dcb444c9 | 1305 | AliAODRecoDecayHF2Prong *the2Prong = new AliAODRecoDecayHF2Prong(secVert,px,py,pz,d0,d0err,dca); |
6a213b59 | 1306 | the2Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 1307 | UShort_t id[2]={(UShort_t)postrack->GetID(),(UShort_t)negtrack->GetID()}; |
1308 | the2Prong->SetProngIDs(2,id); | |
0a65d33f | 1309 | delete primVertexAOD; primVertexAOD=NULL; |
6a213b59 | 1310 | |
f3014dc3 | 1311 | |
1312 | if(postrack->Charge()!=0 && negtrack->Charge()!=0) { // don't apply these cuts if it's a Dstar | |
1313 | // select D0->Kpi | |
a9b75906 | 1314 | if(fD0toKpi) okD0 = (Bool_t)fCutsD0toKpi->IsSelected(the2Prong,AliRDHFCuts::kCandidate); |
f3014dc3 | 1315 | //if(fDebug && fD0toKpi) printf(" %d\n",(Int_t)okD0); |
1316 | // select J/psi from B | |
a9b75906 | 1317 | if(fJPSItoEle) okJPSI = (Bool_t)fCutsJpsitoee->IsSelected(the2Prong,AliRDHFCuts::kCandidate); |
f3014dc3 | 1318 | //if(fDebug && fJPSItoEle) printf(" %d\n",(Int_t)okJPSI); |
1319 | // select D0->Kpi from Dstar | |
aa0fbb4a | 1320 | if(fDstar) okD0fromDstar = (Bool_t)fCutsDStartoKpipi->IsD0FromDStarSelected(the2Prong->Pt(),the2Prong,AliRDHFCuts::kCandidate); |
f3014dc3 | 1321 | //if(fDebug && fDstar) printf(" %d\n",(Int_t)okD0fromDstar); |
1322 | } | |
1323 | ||
6a213b59 | 1324 | |
2ff20727 | 1325 | // remove the primary vertex (was used only for selection) |
a25935a9 | 1326 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) { |
b6e66d86 | 1327 | the2Prong->UnsetOwnPrimaryVtx(); |
b6e66d86 | 1328 | } |
1329 | ||
2ff20727 | 1330 | // get PID info from ESD |
5770b08b | 1331 | Double_t esdpid0[5]={0.,0.,0.,0.,0.}; |
1332 | if(postrack->GetStatus()&AliESDtrack::kESDpid) postrack->GetESDpid(esdpid0); | |
1333 | Double_t esdpid1[5]={0.,0.,0.,0.,0.}; | |
1334 | if(negtrack->GetStatus()&AliESDtrack::kESDpid) negtrack->GetESDpid(esdpid1); | |
2ff20727 | 1335 | Double_t esdpid[10]; |
1336 | for(Int_t i=0;i<5;i++) { | |
1337 | esdpid[i] = esdpid0[i]; | |
1338 | esdpid[5+i] = esdpid1[i]; | |
6a213b59 | 1339 | } |
2ff20727 | 1340 | the2Prong->SetPID(2,esdpid); |
6a213b59 | 1341 | |
6a213b59 | 1342 | return the2Prong; |
1343 | } | |
1344 | //---------------------------------------------------------------------------- | |
1345 | AliAODRecoDecayHF3Prong* AliAnalysisVertexingHF::Make3Prong( | |
dcb444c9 | 1346 | TObjArray *threeTrackArray,AliVEvent *event, |
1347 | AliAODVertex *secVert,Double_t dispersion, | |
c4cdf105 | 1348 | const AliAODVertex *vertexp1n1,const AliAODVertex *vertexp2n1, |
6a213b59 | 1349 | Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2, |
1350 | Bool_t &ok3Prong) const | |
1351 | { | |
1352 | // Make 3Prong candidates and check if they pass Dplus or Ds or Lambdac | |
1353 | // reconstruction cuts | |
1354 | // E.Bruna, F.Prino | |
1355 | ||
dcb444c9 | 1356 | |
6a213b59 | 1357 | ok3Prong=kFALSE; |
673ac607 | 1358 | if(!secVert || !vertexp1n1 || !vertexp2n1) return 0x0; |
dcb444c9 | 1359 | |
1360 | Double_t px[3],py[3],pz[3],d0[3],d0err[3]; | |
1361 | Double_t momentum[3]; | |
6a213b59 | 1362 | |
6a213b59 | 1363 | |
1364 | AliESDtrack *postrack1 = (AliESDtrack*)threeTrackArray->UncheckedAt(0); | |
dcb444c9 | 1365 | AliESDtrack *negtrack = (AliESDtrack*)threeTrackArray->UncheckedAt(1); |
6a213b59 | 1366 | AliESDtrack *postrack2 = (AliESDtrack*)threeTrackArray->UncheckedAt(2); |
1367 | ||
dcb444c9 | 1368 | postrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); |
1369 | negtrack->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
1370 | postrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 1371 | postrack1->GetPxPyPz(momentum); |
1372 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
1373 | negtrack->GetPxPyPz(momentum); | |
1374 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
1375 | postrack2->GetPxPyPz(momentum); | |
1376 | px[2] = momentum[0]; py[2] = momentum[1]; pz[2] = momentum[2]; | |
1377 | ||
b82f6d67 | 1378 | // invariant mass cut for D+, Ds, Lc |
6a213b59 | 1379 | Bool_t okMassCut=kFALSE; |
1380 | if(!okMassCut && f3Prong) if(SelectInvMass(2,3,px,py,pz)) okMassCut=kTRUE; | |
1381 | if(!okMassCut) { | |
dcb444c9 | 1382 | AliDebug(2," candidate didn't pass mass cut"); |
6a213b59 | 1383 | return 0x0; |
1384 | } | |
1385 | ||
dcb444c9 | 1386 | // primary vertex to be used by this candidate |
2ff20727 | 1387 | AliAODVertex *primVertexAOD = PrimaryVertex(threeTrackArray,event); |
dcb444c9 | 1388 | if(!primVertexAOD) return 0x0; |
1389 | ||
1390 | Double_t d0z0[2],covd0z0[3]; | |
1391 | postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1392 | d0[0]=d0z0[0]; | |
1393 | d0err[0] = TMath::Sqrt(covd0z0[0]); | |
1394 | negtrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1395 | d0[1]=d0z0[0]; | |
1396 | d0err[1] = TMath::Sqrt(covd0z0[0]); | |
1397 | postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1398 | d0[2]=d0z0[0]; | |
1399 | d0err[2] = TMath::Sqrt(covd0z0[0]); | |
6a213b59 | 1400 | |
6a213b59 | 1401 | |
1402 | // create the object AliAODRecoDecayHF3Prong | |
dcb444c9 | 1403 | Double_t pos[3]; primVertexAOD->GetXYZ(pos); |
6a213b59 | 1404 | Double_t dca[3]={dcap1n1,dcap2n1,dcap1p2}; |
dcb444c9 | 1405 | 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])); |
1406 | 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])); | |
17cebfb8 | 1407 | Short_t charge=(Short_t)(postrack1->Charge()+postrack2->Charge()+negtrack->Charge()); |
dcb444c9 | 1408 | AliAODRecoDecayHF3Prong *the3Prong = new AliAODRecoDecayHF3Prong(secVert,px,py,pz,d0,d0err,dca,dispersion,dist12,dist23,charge); |
6a213b59 | 1409 | the3Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 1410 | UShort_t id[3]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack->GetID(),(UShort_t)postrack2->GetID()}; |
1411 | the3Prong->SetProngIDs(3,id); | |
6a213b59 | 1412 | |
0a65d33f | 1413 | delete primVertexAOD; primVertexAOD=NULL; |
6a213b59 | 1414 | |
b82f6d67 | 1415 | // select D+->Kpipi, Ds->KKpi, Lc->pKpi |
1416 | if(f3Prong) { | |
1417 | ok3Prong = kFALSE; | |
a9b75906 | 1418 | |
e3d40058 | 1419 | if(fCutsDplustoKpipi->IsSelected(the3Prong,AliRDHFCuts::kCandidate)) ok3Prong = kTRUE; |
1420 | if(fCutsDstoKKpi->IsSelected(the3Prong,AliRDHFCuts::kCandidate)) ok3Prong = kTRUE; | |
1421 | if(fCutsLctopKpi->IsSelected(the3Prong,AliRDHFCuts::kCandidate)) ok3Prong = kTRUE; | |
a9b75906 | 1422 | |
b82f6d67 | 1423 | } |
6a213b59 | 1424 | //if(fDebug) printf("ok3Prong: %d\n",(Int_t)ok3Prong); |
dcb444c9 | 1425 | |
a25935a9 | 1426 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) { |
b6e66d86 | 1427 | the3Prong->UnsetOwnPrimaryVtx(); |
b6e66d86 | 1428 | } |
dcb444c9 | 1429 | |
2ff20727 | 1430 | // get PID info from ESD |
5770b08b | 1431 | Double_t esdpid0[5]={0.,0.,0.,0.,0.}; |
1432 | if(postrack1->GetStatus()&AliESDtrack::kESDpid) postrack1->GetESDpid(esdpid0); | |
1433 | Double_t esdpid1[5]={0.,0.,0.,0.,0.}; | |
1434 | if(negtrack->GetStatus()&AliESDtrack::kESDpid) negtrack->GetESDpid(esdpid1); | |
1435 | Double_t esdpid2[5]={0.,0.,0.,0.,0.}; | |
1436 | if(postrack2->GetStatus()&AliESDtrack::kESDpid) postrack2->GetESDpid(esdpid2); | |
2ff20727 | 1437 | |
1438 | Double_t esdpid[15]; | |
1439 | for(Int_t i=0;i<5;i++) { | |
1440 | esdpid[i] = esdpid0[i]; | |
1441 | esdpid[5+i] = esdpid1[i]; | |
1442 | esdpid[10+i] = esdpid2[i]; | |
6a213b59 | 1443 | } |
2ff20727 | 1444 | the3Prong->SetPID(3,esdpid); |
6a213b59 | 1445 | |
6a213b59 | 1446 | return the3Prong; |
1447 | } | |
1448 | //---------------------------------------------------------------------------- | |
1449 | AliAODRecoDecayHF4Prong* AliAnalysisVertexingHF::Make4Prong( | |
dcb444c9 | 1450 | TObjArray *fourTrackArray,AliVEvent *event, |
721c0b8f | 1451 | AliAODVertex *secVert, |
c4cdf105 | 1452 | const AliAODVertex *vertexp1n1, |
1453 | const AliAODVertex *vertexp1n1p2, | |
721c0b8f | 1454 | Double_t dcap1n1,Double_t dcap1n2, |
1455 | Double_t dcap2n1,Double_t dcap2n2, | |
1456 | Bool_t &ok4Prong) const | |
6a213b59 | 1457 | { |
1458 | // Make 4Prong candidates and check if they pass D0toKpipipi | |
1459 | // reconstruction cuts | |
1460 | // G.E.Bruno, R.Romita | |
1461 | ||
1462 | ok4Prong=kFALSE; | |
673ac607 | 1463 | if(!secVert || !vertexp1n1 || !vertexp1n1p2) return 0x0; |
6a213b59 | 1464 | |
1465 | Double_t px[4],py[4],pz[4],d0[4],d0err[4];//d0z[3]; | |
6a213b59 | 1466 | |
6a213b59 | 1467 | AliESDtrack *postrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(0); |
1468 | AliESDtrack *negtrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(1); | |
1469 | AliESDtrack *postrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(2); | |
1470 | AliESDtrack *negtrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(3); | |
1471 | ||
dcb444c9 | 1472 | postrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); |
1473 | negtrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
1474 | postrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
1475 | negtrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 1476 | |
1477 | Double_t momentum[3]; | |
1478 | postrack1->GetPxPyPz(momentum); | |
1479 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
1480 | negtrack1->GetPxPyPz(momentum); | |
1481 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
1482 | postrack2->GetPxPyPz(momentum); | |
1483 | px[2] = momentum[0]; py[2] = momentum[1]; pz[2] = momentum[2]; | |
1484 | negtrack2->GetPxPyPz(momentum); | |
1485 | px[3] = momentum[0]; py[3] = momentum[1]; pz[3] = momentum[2]; | |
1486 | ||
1487 | // invariant mass cut for rho or D0 (try to improve coding here..) | |
0a65d33f | 1488 | Bool_t okMassCut=kFALSE; |
cb8088a2 | 1489 | if(!okMassCut && !(fCutsD0toKpipipi->GetUsePID())) { //no PID, to be implemented with PID |
0a65d33f | 1490 | if(SelectInvMass(4,4,px,py,pz)) okMassCut=kTRUE; |
1491 | } | |
1492 | if(!okMassCut) { | |
1493 | //if(fDebug) printf(" candidate didn't pass mass cut\n"); | |
1494 | //printf(" candidate didn't pass mass cut\n"); | |
1495 | return 0x0; | |
1496 | } | |
6a213b59 | 1497 | |
dcb444c9 | 1498 | // primary vertex to be used by this candidate |
2ff20727 | 1499 | AliAODVertex *primVertexAOD = PrimaryVertex(fourTrackArray,event); |
dcb444c9 | 1500 | if(!primVertexAOD) return 0x0; |
1501 | ||
721c0b8f | 1502 | Double_t d0z0[2],covd0z0[3]; |
1503 | postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1504 | d0[0]=d0z0[0]; | |
1505 | d0err[0] = TMath::Sqrt(covd0z0[0]); | |
1506 | negtrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1507 | d0[1]=d0z0[0]; | |
1508 | d0err[1] = TMath::Sqrt(covd0z0[0]); | |
1509 | postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1510 | d0[2]=d0z0[0]; | |
1511 | d0err[2] = TMath::Sqrt(covd0z0[0]); | |
1512 | negtrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1513 | d0[3]=d0z0[0]; | |
1514 | d0err[3] = TMath::Sqrt(covd0z0[0]); | |
1515 | ||
6a213b59 | 1516 | |
1517 | // create the object AliAODRecoDecayHF4Prong | |
dcb444c9 | 1518 | Double_t pos[3]; primVertexAOD->GetXYZ(pos); |
721c0b8f | 1519 | Double_t dca[6]={dcap1n1,0.,dcap1n2,dcap2n1,0.,dcap2n2}; |
dcb444c9 | 1520 | 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])); |
721c0b8f | 1521 | Double_t dist3=TMath::Sqrt((vertexp1n1p2->GetX()-pos[0])*(vertexp1n1p2->GetX()-pos[0])+(vertexp1n1p2->GetY()-pos[1])*(vertexp1n1p2->GetY()-pos[1])+(vertexp1n1p2->GetZ()-pos[2])*(vertexp1n1p2->GetZ()-pos[2])); |
1522 | Double_t dist4=TMath::Sqrt((secVert->GetX()-pos[0])*(secVert->GetX()-pos[0])+(secVert->GetY()-pos[1])*(secVert->GetY()-pos[1])+(secVert->GetZ()-pos[2])*(secVert->GetZ()-pos[2])); | |
dcb444c9 | 1523 | Short_t charge=0; |
721c0b8f | 1524 | AliAODRecoDecayHF4Prong *the4Prong = new AliAODRecoDecayHF4Prong(secVert,px,py,pz,d0,d0err,dca,dist12,dist3,dist4,charge); |
6a213b59 | 1525 | the4Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 1526 | UShort_t id[4]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack1->GetID(),(UShort_t)postrack2->GetID(),(UShort_t)negtrack2->GetID()}; |
1527 | the4Prong->SetProngIDs(4,id); | |
6a213b59 | 1528 | |
0a65d33f | 1529 | delete primVertexAOD; primVertexAOD=NULL; |
6a213b59 | 1530 | |
a9b75906 | 1531 | ok4Prong=(Bool_t)fCutsD0toKpipipi->IsSelected(the4Prong,AliRDHFCuts::kCandidate); |
e3d40058 | 1532 | |
6a213b59 | 1533 | |
a25935a9 | 1534 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) { |
b6e66d86 | 1535 | the4Prong->UnsetOwnPrimaryVtx(); |
b6e66d86 | 1536 | } |
6a213b59 | 1537 | |
721c0b8f | 1538 | |
6a213b59 | 1539 | // get PID info from ESD |
721c0b8f | 1540 | Double_t esdpid0[5]={0.,0.,0.,0.,0.}; |
1541 | if(postrack1->GetStatus()&AliESDtrack::kESDpid) postrack1->GetESDpid(esdpid0); | |
1542 | Double_t esdpid1[5]={0.,0.,0.,0.,0.}; | |
1543 | if(negtrack1->GetStatus()&AliESDtrack::kESDpid) negtrack1->GetESDpid(esdpid1); | |
1544 | Double_t esdpid2[5]={0.,0.,0.,0.,0.}; | |
1545 | if(postrack2->GetStatus()&AliESDtrack::kESDpid) postrack2->GetESDpid(esdpid2); | |
1546 | Double_t esdpid3[5]={0.,0.,0.,0.,0.}; | |
1547 | if(negtrack2->GetStatus()&AliESDtrack::kESDpid) negtrack2->GetESDpid(esdpid3); | |
6a213b59 | 1548 | |
1549 | Double_t esdpid[20]; | |
1550 | for(Int_t i=0;i<5;i++) { | |
2ff20727 | 1551 | esdpid[i] = esdpid0[i]; |
1552 | esdpid[5+i] = esdpid1[i]; | |
6a213b59 | 1553 | esdpid[10+i] = esdpid2[i]; |
1554 | esdpid[15+i] = esdpid3[i]; | |
1555 | } | |
1556 | the4Prong->SetPID(4,esdpid); | |
721c0b8f | 1557 | |
6a213b59 | 1558 | return the4Prong; |
1559 | } | |
1560 | //----------------------------------------------------------------------------- | |
c4cdf105 | 1561 | AliAODVertex* AliAnalysisVertexingHF::PrimaryVertex(const TObjArray *trkArray, |
2ff20727 | 1562 | AliVEvent *event) const |
6a213b59 | 1563 | { |
2ff20727 | 1564 | // Returns primary vertex to be used for this candidate |
6a213b59 | 1565 | |
dcb444c9 | 1566 | AliESDVertex *vertexESD = 0; |
1567 | AliAODVertex *vertexAOD = 0; | |
1568 | ||
dcb444c9 | 1569 | |
1570 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) { | |
1571 | // primary vertex from the input event | |
1572 | ||
1573 | vertexESD = new AliESDVertex(*fV1); | |
1574 | ||
1575 | } else { | |
1576 | // primary vertex specific to this candidate | |
1577 | ||
2ff20727 | 1578 | Int_t nTrks = trkArray->GetEntriesFast(); |
dcb444c9 | 1579 | AliVertexerTracks *vertexer = new AliVertexerTracks(event->GetMagneticField()); |
1580 | ||
1581 | if(fRecoPrimVtxSkippingTrks) { | |
1582 | // recalculating the vertex | |
1583 | ||
1584 | if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraint")) { | |
1585 | Float_t diamondcovxy[3]; | |
1586 | event->GetDiamondCovXY(diamondcovxy); | |
1587 | Double_t pos[3]={event->GetDiamondX(),event->GetDiamondY(),0.}; | |
8bb09289 | 1588 | Double_t cov[6]={diamondcovxy[0],diamondcovxy[1],diamondcovxy[2],0.,0.,10.*10.}; |
dcb444c9 | 1589 | AliESDVertex *diamond = new AliESDVertex(pos,cov,1.,1); |
1590 | vertexer->SetVtxStart(diamond); | |
1591 | delete diamond; diamond=NULL; | |
1592 | if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraintOnlyFitter")) | |
1593 | vertexer->SetOnlyFitter(); | |
1594 | } | |
0a65d33f | 1595 | Int_t skipped[1000]; |
e18fbfa7 | 1596 | Int_t nTrksToSkip=0,id; |
1597 | AliExternalTrackParam *t = 0; | |
dcb444c9 | 1598 | for(Int_t i=0; i<nTrks; i++) { |
e18fbfa7 | 1599 | t = (AliExternalTrackParam*)trkArray->UncheckedAt(i); |
1600 | id = (Int_t)t->GetID(); | |
1601 | if(id<0) continue; | |
1602 | skipped[nTrksToSkip++] = id; | |
dcb444c9 | 1603 | } |
0a65d33f | 1604 | // TEMPORARY FIX |
1605 | // For AOD, skip also tracks without covariance matrix | |
1606 | if(fInputAOD) { | |
1607 | Double_t covtest[21]; | |
1608 | for(Int_t j=0; j<event->GetNumberOfTracks(); j++) { | |
1609 | AliVTrack *vtrack = (AliVTrack*)event->GetTrack(j); | |
1610 | if(!vtrack->GetCovarianceXYZPxPyPz(covtest)) { | |
3ecb887f | 1611 | id = (Int_t)vtrack->GetID(); |
0a65d33f | 1612 | if(id<0) continue; |
1613 | skipped[nTrksToSkip++] = id; | |
1614 | } | |
1615 | } | |
1616 | } | |
1617 | // | |
e18fbfa7 | 1618 | vertexer->SetSkipTracks(nTrksToSkip,skipped); |
dcb444c9 | 1619 | vertexESD = (AliESDVertex*)vertexer->FindPrimaryVertex(event); |
1620 | ||
1621 | } else if(fRmTrksFromPrimVtx) { | |
1622 | // removing the prongs tracks | |
1623 | ||
1624 | TObjArray rmArray(nTrks); | |
1625 | UShort_t *rmId = new UShort_t[nTrks]; | |
1626 | AliESDtrack *esdTrack = 0; | |
1627 | AliESDtrack *t = 0; | |
1628 | for(Int_t i=0; i<nTrks; i++) { | |
1629 | t = (AliESDtrack*)trkArray->UncheckedAt(i); | |
1630 | esdTrack = new AliESDtrack(*t); | |
1631 | rmArray.AddLast(esdTrack); | |
2ff20727 | 1632 | if(esdTrack->GetID()>=0) { |
1633 | rmId[i]=(UShort_t)esdTrack->GetID(); | |
1634 | } else { | |
1635 | rmId[i]=9999; | |
1636 | } | |
dcb444c9 | 1637 | } |
1638 | Float_t diamondxy[2]={event->GetDiamondX(),event->GetDiamondY()}; | |
1639 | vertexESD = vertexer->RemoveTracksFromVertex(fV1,&rmArray,rmId,diamondxy); | |
1640 | delete [] rmId; rmId=NULL; | |
1641 | rmArray.Delete(); | |
1642 | ||
6a213b59 | 1643 | } |
6a213b59 | 1644 | |
dcb444c9 | 1645 | if(!vertexESD) return vertexAOD; |
1646 | if(vertexESD->GetNContributors()<=0) { | |
1647 | AliDebug(2,"vertexing failed"); | |
1648 | delete vertexESD; vertexESD=NULL; | |
1649 | return vertexAOD; | |
6a213b59 | 1650 | } |
dcb444c9 | 1651 | |
1652 | delete vertexer; vertexer=NULL; | |
1653 | ||
6a213b59 | 1654 | } |
1655 | ||
dcb444c9 | 1656 | // convert to AliAODVertex |
1657 | Double_t pos[3],cov[6],chi2perNDF; | |
1658 | vertexESD->GetXYZ(pos); // position | |
1659 | vertexESD->GetCovMatrix(cov); //covariance matrix | |
1660 | chi2perNDF = vertexESD->GetChi2toNDF(); | |
1661 | delete vertexESD; vertexESD=NULL; | |
1662 | ||
1663 | vertexAOD = new AliAODVertex(pos,cov,chi2perNDF); | |
6a213b59 | 1664 | |
dcb444c9 | 1665 | return vertexAOD; |
6a213b59 | 1666 | } |
1667 | //----------------------------------------------------------------------------- | |
1668 | void AliAnalysisVertexingHF::PrintStatus() const { | |
1669 | // Print parameters being used | |
1670 | ||
f8fa4595 | 1671 | //printf("Preselections:\n"); |
1672 | // fTrackFilter->Dump(); | |
4d5c9633 | 1673 | if(fSecVtxWithKF) { |
1674 | printf("Secondary vertex with Kalman filter package (AliKFParticle)\n"); | |
1675 | } else { | |
1676 | printf("Secondary vertex with AliVertexerTracks\n"); | |
1677 | } | |
6a213b59 | 1678 | if(fRecoPrimVtxSkippingTrks) printf("RecoPrimVtxSkippingTrks\n"); |
1679 | if(fRmTrksFromPrimVtx) printf("RmTrksFromPrimVtx\n"); | |
1680 | if(fD0toKpi) { | |
1681 | printf("Reconstruct D0->Kpi candidates with cuts:\n"); | |
e3d40058 | 1682 | if(fCutsD0toKpi) fCutsD0toKpi->PrintAll(); |
6a213b59 | 1683 | } |
2ff20727 | 1684 | if(fDstar) { |
da6fefc3 | 1685 | printf("Reconstruct D*->D0pi candidates with cuts:\n"); |
eee95e18 | 1686 | if(fFindVertexForDstar) { |
1687 | printf(" Reconstruct a secondary vertex for the D*\n"); | |
1688 | } else { | |
1689 | printf(" Assume the D* comes from the primary vertex\n"); | |
1690 | } | |
aa0fbb4a | 1691 | if(fCutsDStartoKpipi) fCutsDStartoKpipi->PrintAll(); |
2ff20727 | 1692 | } |
6a213b59 | 1693 | if(fJPSItoEle) { |
1694 | printf("Reconstruct J/psi from B candidates with cuts:\n"); | |
e3d40058 | 1695 | if(fCutsJpsitoee) fCutsJpsitoee->PrintAll(); |
6a213b59 | 1696 | } |
1697 | if(f3Prong) { | |
1698 | printf("Reconstruct 3 prong candidates.\n"); | |
4d5c9633 | 1699 | printf(" D+->Kpipi cuts:\n"); |
e3d40058 | 1700 | if(fCutsDplustoKpipi) fCutsDplustoKpipi->PrintAll(); |
4d5c9633 | 1701 | printf(" Ds->KKpi cuts:\n"); |
e3d40058 | 1702 | if(fCutsDstoKKpi) fCutsDstoKKpi->PrintAll(); |
6ea608bf | 1703 | printf(" Lc->pKpi cuts:\n"); |
e3d40058 | 1704 | if(fCutsLctopKpi) fCutsLctopKpi->PrintAll(); |
6a213b59 | 1705 | } |
e3d40058 | 1706 | if(f4Prong) { |
1707 | printf("Reconstruct 4 prong candidates.\n"); | |
1708 | printf(" D0->Kpipipi cuts:\n"); | |
1709 | if(fCutsD0toKpipipi) fCutsD0toKpipipi->PrintAll(); | |
1710 | } | |
a07ad8e0 | 1711 | if(fCascades) { |
1712 | printf("Reconstruct cascades candidates formed with v0s.\n"); | |
1713 | printf(" Lc -> k0s P & Lc -> L Pi cuts:\n"); | |
1714 | if(fCutsLctoV0) fCutsLctoV0->PrintAll(); | |
1715 | } | |
6a213b59 | 1716 | |
1717 | return; | |
1718 | } | |
1719 | //----------------------------------------------------------------------------- | |
dcb444c9 | 1720 | AliAODVertex* AliAnalysisVertexingHF::ReconstructSecondaryVertex(TObjArray *trkArray, |
dcfa35b3 | 1721 | Double_t &dispersion,Bool_t useTRefArray) const |
dcb444c9 | 1722 | { |
1723 | // Secondary vertex reconstruction with AliVertexerTracks or AliKFParticle | |
1724 | ||
1725 | AliESDVertex *vertexESD = 0; | |
1726 | AliAODVertex *vertexAOD = 0; | |
1727 | ||
1728 | if(!fSecVtxWithKF) { // AliVertexerTracks | |
1729 | ||
1730 | AliVertexerTracks *vertexer = new AliVertexerTracks(fBzkG); | |
1731 | vertexer->SetVtxStart(fV1); | |
1732 | vertexESD = (AliESDVertex*)vertexer->VertexForSelectedESDTracks(trkArray); | |
1733 | delete vertexer; vertexer=NULL; | |
1734 | ||
1735 | if(!vertexESD) return vertexAOD; | |
1736 | ||
1737 | if(vertexESD->GetNContributors()!=trkArray->GetEntriesFast()) { | |
1738 | AliDebug(2,"vertexing failed"); | |
1739 | delete vertexESD; vertexESD=NULL; | |
1740 | return vertexAOD; | |
1741 | } | |
1742 | ||
1743 | } else { // Kalman Filter vertexer (AliKFParticle) | |
1744 | ||
1745 | AliKFParticle::SetField(fBzkG); | |
1746 | ||
a353d2e4 | 1747 | AliKFVertex vertexKF; |
dcb444c9 | 1748 | |
1749 | Int_t nTrks = trkArray->GetEntriesFast(); | |
1750 | for(Int_t i=0; i<nTrks; i++) { | |
1751 | AliESDtrack *esdTrack = (AliESDtrack*)trkArray->At(i); | |
1752 | AliKFParticle daughterKF(*esdTrack,211); | |
1753 | vertexKF.AddDaughter(daughterKF); | |
1754 | } | |
a353d2e4 | 1755 | vertexESD = new AliESDVertex(vertexKF.Parameters(), |
1756 | vertexKF.CovarianceMatrix(), | |
1757 | vertexKF.GetChi2(), | |
1758 | vertexKF.GetNContributors()); | |
dcb444c9 | 1759 | |
1760 | } | |
1761 | ||
1762 | // convert to AliAODVertex | |
1763 | Double_t pos[3],cov[6],chi2perNDF; | |
1764 | vertexESD->GetXYZ(pos); // position | |
1765 | vertexESD->GetCovMatrix(cov); //covariance matrix | |
1766 | chi2perNDF = vertexESD->GetChi2toNDF(); | |
1767 | dispersion = vertexESD->GetDispersion(); | |
1768 | delete vertexESD; vertexESD=NULL; | |
1769 | ||
dcfa35b3 | 1770 | Int_t nprongs= (useTRefArray ? 0 : trkArray->GetEntriesFast()); |
1771 | vertexAOD = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,nprongs); | |
dcb444c9 | 1772 | |
1773 | return vertexAOD; | |
1774 | } | |
1775 | //----------------------------------------------------------------------------- | |
6a213b59 | 1776 | Bool_t AliAnalysisVertexingHF::SelectInvMass(Int_t decay, |
1777 | Int_t nprongs, | |
1778 | Double_t *px, | |
1779 | Double_t *py, | |
1780 | Double_t *pz) const { | |
1781 | // Check invariant mass cut | |
1782 | ||
1783 | Short_t dummycharge=0; | |
1784 | Double_t *dummyd0 = new Double_t[nprongs]; | |
b056c5e3 | 1785 | for(Int_t ip=0;ip<nprongs;ip++) dummyd0[ip]=0.; |
6a213b59 | 1786 | AliAODRecoDecay *rd = new AliAODRecoDecay(0x0,nprongs,dummycharge,px,py,pz,dummyd0); |
b6e66d86 | 1787 | delete [] dummyd0; dummyd0=NULL; |
6a213b59 | 1788 | |
721c0b8f | 1789 | UInt_t pdg2[2],pdg3[3],pdg4[4]; |
6a213b59 | 1790 | Double_t mPDG,minv; |
1791 | ||
1792 | Bool_t retval=kFALSE; | |
1793 | switch (decay) | |
1794 | { | |
1795 | case 0: // D0->Kpi | |
1796 | pdg2[0]=211; pdg2[1]=321; | |
1797 | mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
1798 | minv = rd->InvMass(nprongs,pdg2); | |
a9b75906 | 1799 | if(TMath::Abs(minv-mPDG)<fCutsD0toKpi->GetMassCut()) retval=kTRUE; |
6a213b59 | 1800 | pdg2[0]=321; pdg2[1]=211; |
1801 | minv = rd->InvMass(nprongs,pdg2); | |
a9b75906 | 1802 | if(TMath::Abs(minv-mPDG)<fCutsD0toKpi->GetMassCut()) retval=kTRUE; |
6a213b59 | 1803 | break; |
1804 | case 1: // JPSI->ee | |
1805 | pdg2[0]=11; pdg2[1]=11; | |
1806 | mPDG=TDatabasePDG::Instance()->GetParticle(443)->Mass(); | |
1807 | minv = rd->InvMass(nprongs,pdg2); | |
a9b75906 | 1808 | if(TMath::Abs(minv-mPDG)<fCutsJpsitoee->GetMassCut()) retval=kTRUE; |
6a213b59 | 1809 | break; |
1810 | case 2: // D+->Kpipi | |
1811 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=211; | |
1812 | mPDG=TDatabasePDG::Instance()->GetParticle(411)->Mass(); | |
1813 | minv = rd->InvMass(nprongs,pdg3); | |
a9b75906 | 1814 | if(TMath::Abs(minv-mPDG)<fCutsDplustoKpipi->GetMassCut()) retval=kTRUE; |
b82f6d67 | 1815 | // Ds+->KKpi |
1816 | pdg3[0]=321; pdg3[1]=321; pdg3[2]=211; | |
1817 | mPDG=TDatabasePDG::Instance()->GetParticle(431)->Mass(); | |
1818 | minv = rd->InvMass(nprongs,pdg3); | |
a9b75906 | 1819 | if(TMath::Abs(minv-mPDG)<fCutsDstoKKpi->GetMassCut()) retval=kTRUE; |
b82f6d67 | 1820 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=321; |
1821 | minv = rd->InvMass(nprongs,pdg3); | |
a9b75906 | 1822 | if(TMath::Abs(minv-mPDG)<fCutsDstoKKpi->GetMassCut()) retval=kTRUE; |
b82f6d67 | 1823 | // Lc->pKpi |
1824 | pdg3[0]=2212; pdg3[1]=321; pdg3[2]=211; | |
1825 | mPDG=TDatabasePDG::Instance()->GetParticle(4122)->Mass(); | |
1826 | minv = rd->InvMass(nprongs,pdg3); | |
a9b75906 | 1827 | if(TMath::Abs(minv-mPDG)<fCutsLctopKpi->GetMassCut()) retval=kTRUE; |
b82f6d67 | 1828 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=2212; |
1829 | minv = rd->InvMass(nprongs,pdg3); | |
a9b75906 | 1830 | if(TMath::Abs(minv-mPDG)<fCutsLctopKpi->GetMassCut()) retval=kTRUE; |
6a213b59 | 1831 | break; |
2ff20727 | 1832 | case 3: // D*->D0pi |
682639e9 | 1833 | pdg2[0]=211; pdg2[1]=421; // in twoTrackArrayCasc we put the pion first |
2ff20727 | 1834 | mPDG=TDatabasePDG::Instance()->GetParticle(413)->Mass(); |
1835 | minv = rd->InvMass(nprongs,pdg2); | |
aa0fbb4a | 1836 | if(TMath::Abs(minv-mPDG)<fCutsDStartoKpipi->GetMassCut()) retval=kTRUE; |
2ff20727 | 1837 | break; |
e3d40058 | 1838 | case 4: // D0->Kpipipi without PID |
721c0b8f | 1839 | pdg4[0]=321; pdg4[1]=211; pdg4[2]=211; pdg4[3]=211; |
1840 | mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
1841 | minv = rd->InvMass(nprongs,pdg4); | |
a9b75906 | 1842 | if(TMath::Abs(minv-mPDG)<fCutsD0toKpipipi->GetMassCut()) retval=kTRUE; |
721c0b8f | 1843 | pdg4[0]=211; pdg4[1]=321; pdg4[2]=211; pdg4[3]=211; |
1844 | mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
1845 | minv = rd->InvMass(nprongs,pdg4); | |
a9b75906 | 1846 | if(TMath::Abs(minv-mPDG)<fCutsD0toKpipipi->GetMassCut()) retval=kTRUE; |
721c0b8f | 1847 | pdg4[0]=211; pdg4[1]=211; pdg4[2]=321; pdg4[3]=211; |
1848 | mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
1849 | minv = rd->InvMass(nprongs,pdg4); | |
a9b75906 | 1850 | if(TMath::Abs(minv-mPDG)<fCutsD0toKpipipi->GetMassCut()) retval=kTRUE; |
721c0b8f | 1851 | pdg4[0]=211; pdg4[1]=211; pdg4[2]=211; pdg4[3]=321; |
1852 | mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
1853 | minv = rd->InvMass(nprongs,pdg4); | |
a9b75906 | 1854 | if(TMath::Abs(minv-mPDG)<fCutsD0toKpipipi->GetMassCut()) retval=kTRUE; |
721c0b8f | 1855 | break; |
6a213b59 | 1856 | default: |
2ff20727 | 1857 | printf("SelectInvMass(): wrong decay selection\n"); |
6a213b59 | 1858 | break; |
1859 | } | |
1860 | ||
b6e66d86 | 1861 | delete rd; rd=NULL; |
6a213b59 | 1862 | |
1863 | return retval; | |
1864 | } | |
1865 | //----------------------------------------------------------------------------- | |
c4cdf105 | 1866 | void AliAnalysisVertexingHF::SelectTracksAndCopyVertex(const AliVEvent *event, |
2ff20727 | 1867 | TObjArray &seleTrksArray,Int_t &nSeleTrks, |
a25935a9 | 1868 | UChar_t *seleFlags,Int_t *evtNumber) |
6a213b59 | 1869 | { |
2ff20727 | 1870 | // Apply single-track preselection. |
1871 | // Fill a TObjArray with selected tracks (for displaced vertices or | |
1872 | // soft pion from D*). Selection flag stored in seleFlags. | |
dcb444c9 | 1873 | // Create the AliESDVertex object (convert from AliAODVertex if necessary) |
1874 | // In case of AOD input, also fill fAODMap for track index<->ID | |
1875 | ||
1876 | const AliVVertex *vprimary = event->GetPrimaryVertex(); | |
1877 | ||
1878 | if(fV1) { delete fV1; fV1=NULL; } | |
c8ab4e4f | 1879 | if(fAODMap) { delete fAODMap; fAODMap=NULL; } |
dcb444c9 | 1880 | |
1881 | Int_t nindices=0; | |
1882 | UShort_t *indices = 0; | |
1883 | Double_t pos[3],cov[6]; | |
1884 | ||
1885 | if(!fInputAOD) { // ESD | |
1886 | fV1 = new AliESDVertex(*((AliESDVertex*)vprimary)); | |
1887 | } else { // AOD | |
1888 | vprimary->GetXYZ(pos); | |
1889 | vprimary->GetCovarianceMatrix(cov); | |
1890 | fV1 = new AliESDVertex(pos,cov,100.,100,vprimary->GetName()); | |
1891 | indices = new UShort_t[event->GetNumberOfTracks()]; | |
c8ab4e4f | 1892 | fAODMapSize = 100000; |
1893 | fAODMap = new Int_t[fAODMapSize]; | |
dcb444c9 | 1894 | } |
1895 | ||
1896 | ||
dcb444c9 | 1897 | Int_t entries = (Int_t)event->GetNumberOfTracks(); |
2ff20727 | 1898 | Bool_t okDisplaced=kFALSE,okSoftPi=kFALSE; |
1899 | nSeleTrks=0; | |
6a213b59 | 1900 | |
dcb444c9 | 1901 | // transfer ITS tracks from event to arrays |
6a213b59 | 1902 | for(Int_t i=0; i<entries; i++) { |
a25935a9 | 1903 | AliVTrack *track; |
1904 | track = (AliVTrack*)event->GetTrack(i); | |
dcb444c9 | 1905 | |
f7c170b4 | 1906 | // skip pure ITS SA tracks |
ac325db6 | 1907 | if(track->GetStatus()&AliESDtrack::kITSpureSA) continue; |
f7c170b4 | 1908 | |
65dad444 | 1909 | // TEMPORARY: check that the cov matrix is there |
0ab1bd93 | 1910 | Double_t covtest[21]; |
1911 | if(!track->GetCovarianceXYZPxPyPz(covtest)) continue; | |
1912 | // | |
65dad444 | 1913 | |
dcb444c9 | 1914 | if(fInputAOD) { |
1915 | AliAODTrack *aodt = (AliAODTrack*)track; | |
1916 | if(aodt->GetUsedForPrimVtxFit()) { | |
1917 | indices[nindices]=aodt->GetID(); nindices++; | |
1918 | } | |
1919 | fAODMap[(Int_t)aodt->GetID()] = i; | |
1920 | } | |
6a213b59 | 1921 | |
dcb444c9 | 1922 | AliESDtrack *esdt = 0; |
b6e66d86 | 1923 | |
dcb444c9 | 1924 | if(!fInputAOD) { |
1925 | esdt = (AliESDtrack*)track; | |
1926 | } else { | |
1927 | esdt = new AliESDtrack(track); | |
1928 | } | |
6a213b59 | 1929 | |
1930 | // single track selection | |
2ff20727 | 1931 | okDisplaced=kFALSE; okSoftPi=kFALSE; |
a25935a9 | 1932 | if(fMixEvent){ |
1933 | evtNumber[i]=((AliMixedEvent*)event)->EventIndex(i); | |
1934 | const AliVVertex* eventVtx=((AliMixedEvent*)event)->GetEventVertex(i); | |
1935 | Double_t vtxPos[3],primPos[3],primCov[6],trasl[3]; | |
1936 | eventVtx->GetXYZ(vtxPos); | |
1937 | vprimary->GetXYZ(primPos); | |
1938 | eventVtx->GetCovarianceMatrix(primCov); | |
1939 | for(Int_t ind=0;ind<3;ind++){ | |
1940 | trasl[ind]=vtxPos[ind]-primPos[ind]; | |
1941 | } | |
1942 | ||
1943 | Bool_t isTransl=esdt->Translate(trasl,primCov); | |
1944 | if(!isTransl) { | |
1945 | delete esdt; | |
1946 | esdt = NULL; | |
1947 | continue; | |
1948 | } | |
1949 | } | |
1950 | ||
2ff20727 | 1951 | if(SingleTrkCuts(esdt,okDisplaced,okSoftPi)) { |
1952 | seleTrksArray.AddLast(esdt); | |
1953 | seleFlags[nSeleTrks]=0; | |
1954 | if(okDisplaced) SETBIT(seleFlags[nSeleTrks],kBitDispl); | |
1955 | if(okSoftPi) SETBIT(seleFlags[nSeleTrks],kBitSoftPi); | |
1956 | nSeleTrks++; | |
1957 | } else { | |
dcb444c9 | 1958 | if(fInputAOD) delete esdt; |
1959 | esdt = NULL; | |
1960 | continue; | |
2ff20727 | 1961 | } |
6a213b59 | 1962 | |
dcb444c9 | 1963 | } // end loop on tracks |
1964 | ||
1965 | // primary vertex from AOD | |
1966 | if(fInputAOD) { | |
1967 | delete fV1; fV1=NULL; | |
1968 | vprimary->GetXYZ(pos); | |
1969 | vprimary->GetCovarianceMatrix(cov); | |
1970 | Double_t chi2toNDF = vprimary->GetChi2perNDF(); | |
1971 | Int_t ncontr=nindices; | |
a6e0ebfe | 1972 | if(!strcmp(vprimary->GetTitle(),"VertexerTracksWithContraint")) ncontr += 1; |
dcb444c9 | 1973 | Double_t chi2=chi2toNDF*(2.*(Double_t)ncontr-3.); |
1974 | fV1 = new AliESDVertex(pos,cov,chi2,ncontr,vprimary->GetName()); | |
1975 | fV1->SetTitle(vprimary->GetTitle()); | |
1976 | fV1->SetIndices(nindices,indices); | |
1977 | } | |
1978 | if(indices) { delete [] indices; indices=NULL; } | |
1979 | ||
6a213b59 | 1980 | |
721c0b8f | 1981 | return; |
1982 | } | |
1983 | //----------------------------------------------------------------------------- | |
2ff20727 | 1984 | Bool_t AliAnalysisVertexingHF::SingleTrkCuts(AliESDtrack *trk, |
1985 | Bool_t &okDisplaced,Bool_t &okSoftPi) const | |
6a213b59 | 1986 | { |
1987 | // Check if track passes some kinematical cuts | |
6a213b59 | 1988 | |
f8fa4595 | 1989 | // this is needed to store the impact parameters |
1990 | trk->RelateToVertex(fV1,fBzkG,kVeryBig); | |
1991 | ||
2ff20727 | 1992 | UInt_t selectInfo; |
f8fa4595 | 1993 | // |
2ff20727 | 1994 | // Track selection, displaced tracks |
1995 | selectInfo = 0; | |
f8fa4595 | 1996 | if(fTrackFilter) { |
1997 | selectInfo = fTrackFilter->IsSelected(trk); | |
6a213b59 | 1998 | } |
2ff20727 | 1999 | if(selectInfo) okDisplaced=kTRUE; |
2000 | // Track selection, soft pions | |
2001 | selectInfo = 0; | |
2002 | if(fDstar && fTrackFilterSoftPi) { | |
2003 | selectInfo = fTrackFilterSoftPi->IsSelected(trk); | |
2004 | } | |
2005 | if(selectInfo) okSoftPi=kTRUE; | |
6a213b59 | 2006 | |
2ff20727 | 2007 | if(okDisplaced || okSoftPi) return kTRUE; |
f8fa4595 | 2008 | |
2ff20727 | 2009 | return kFALSE; |
6a213b59 | 2010 | } |
a07ad8e0 | 2011 | |
2012 | ||
2013 | //----------------------------------------------------------------------------- | |
2014 | AliAODv0* AliAnalysisVertexingHF::TransformESDv0toAODv0(AliESDv0 *esdV0, TObjArray *twoTrackArrayV0){ | |
2015 | // | |
2016 | // Transform ESDv0 to AODv0 | |
2017 | // | |
2018 | // this function takes the ESDv0 vertex, computes the DCA variables from the ESDv0 | |
2019 | // and creates an AODv0 out of them | |
2020 | // | |
18e7db05 | 2021 | Double_t vertex[3]; esdV0->GetXYZ(vertex[0],vertex[1],vertex[2]); |
a07ad8e0 | 2022 | AliAODVertex *vertexV0 = new AliAODVertex(vertex,esdV0->GetChi2V0(),AliAODVertex::kV0,2); |
2023 | ||
2024 | // create the v0 neutral track to compute the DCA to the primary vertex | |
2025 | Double_t xyz[3], pxpypz[3]; | |
2026 | esdV0->XvYvZv(xyz); | |
2027 | esdV0->PxPyPz(pxpypz); | |
2028 | Double_t cv[21]; for(int i=0; i<21; i++) cv[i]=0; | |
2029 | AliNeutralTrackParam *trackesdV0 = new AliNeutralTrackParam(xyz,pxpypz,cv,0); | |
2030 | if(!trackesdV0) return 0; | |
2031 | Double_t d0z0[2],covd0z0[3]; | |
18e7db05 | 2032 | AliAODVertex *primVertexAOD = PrimaryVertex(); |
2033 | trackesdV0->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
a07ad8e0 | 2034 | Double_t dcaV0ToPrimVertex = TMath::Sqrt(covd0z0[0]); |
2035 | // get the v0 daughters to compute their DCA to the v0 vertex and get their momentum | |
2036 | Double_t dcaV0DaughterToPrimVertex[2]; | |
2037 | AliExternalTrackParam *posV0track = (AliExternalTrackParam*)twoTrackArrayV0->UncheckedAt(0); | |
2038 | AliExternalTrackParam *negV0track = (AliExternalTrackParam*)twoTrackArrayV0->UncheckedAt(1); | |
18e7db05 | 2039 | if( !posV0track || !negV0track) { |
2040 | if(trackesdV0) {delete trackesdV0; trackesdV0=NULL;} | |
2041 | return 0; | |
2042 | } | |
2043 | posV0track->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
a07ad8e0 | 2044 | // if ( covd0z0[0]<=0.) dcaV0DaughterToPrimVertex[0] = 0; |
2045 | // else | |
2046 | dcaV0DaughterToPrimVertex[0] = TMath::Sqrt(covd0z0[0]); | |
18e7db05 | 2047 | negV0track->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); |
a07ad8e0 | 2048 | // if ( covd0z0[0]<=0.)dcaV0DaughterToPrimVertex[1] = 0; |
2049 | // else | |
2050 | dcaV0DaughterToPrimVertex[1] = TMath::Sqrt(covd0z0[0]); | |
18e7db05 | 2051 | Double_t dcaV0Daughters = esdV0->GetDcaV0Daughters(); |
2052 | Double_t pmom[3],nmom[3]; | |
a07ad8e0 | 2053 | esdV0->GetNPxPyPz(nmom[0],nmom[1],nmom[2]); |
2054 | esdV0->GetPPxPyPz(pmom[0],pmom[1],pmom[2]); | |
2055 | ||
2056 | AliAODv0 *aodV0 = new AliAODv0(vertexV0,dcaV0Daughters,dcaV0ToPrimVertex,pmom,nmom,dcaV0DaughterToPrimVertex); | |
2057 | aodV0->SetOnFlyStatus(esdV0->GetOnFlyStatus()); | |
2058 | ||
18e7db05 | 2059 | if(trackesdV0) {delete trackesdV0; trackesdV0=NULL;} |
2060 | if(primVertexAOD) {delete primVertexAOD; primVertexAOD=NULL;} | |
a07ad8e0 | 2061 | |
2062 | return aodV0; | |
2063 | } | |
6a213b59 | 2064 | //----------------------------------------------------------------------------- |