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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 | ||
27de2dfb | 16 | /* $Id$ */ |
17 | ||
6a213b59 | 18 | //---------------------------------------------------------------------------- |
19 | // Implementation of the heavy-flavour vertexing analysis class | |
dcb444c9 | 20 | // Candidates are stored in the AOD as objects deriving from AliAODRecoDecay. |
21 | // To be used as a task of AliAnalysisManager by means of the interface | |
22 | // class AliAnalysisTaskSEVertexingHF. | |
23 | // An example of usage in the macro AliAnalysisTaskSEVertexingHFTest.C. | |
6a213b59 | 24 | // |
a25935a9 | 25 | // Contact: andrea.dainese@pd.infn.it |
dc963de9 | 26 | // Contributors: E.Bruna, G.E.Bruno, A.Dainese, C.Di Gliglio, |
27 | // F.Prino, R.Romita, X.M.Zhang | |
6a213b59 | 28 | //---------------------------------------------------------------------------- |
a9b75906 | 29 | #include <Riostream.h> |
b82f6d67 | 30 | #include <TFile.h> |
6a213b59 | 31 | #include <TDatabasePDG.h> |
32 | #include <TString.h> | |
a9b75906 | 33 | #include <TList.h> |
dcb444c9 | 34 | #include "AliLog.h" |
35 | #include "AliVEvent.h" | |
36 | #include "AliVVertex.h" | |
37 | #include "AliVTrack.h" | |
6a213b59 | 38 | #include "AliVertexerTracks.h" |
a353d2e4 | 39 | #include "AliKFVertex.h" |
dcb444c9 | 40 | #include "AliESDEvent.h" |
6a213b59 | 41 | #include "AliESDVertex.h" |
e18fbfa7 | 42 | #include "AliExternalTrackParam.h" |
dcfa35b3 | 43 | #include "AliNeutralTrackParam.h" |
dcb444c9 | 44 | #include "AliESDtrack.h" |
f8fa4595 | 45 | #include "AliESDtrackCuts.h" |
b056c5e3 | 46 | #include "AliAODEvent.h" |
6a213b59 | 47 | #include "AliAODRecoDecay.h" |
48 | #include "AliAODRecoDecayHF.h" | |
49 | #include "AliAODRecoDecayHF2Prong.h" | |
50 | #include "AliAODRecoDecayHF3Prong.h" | |
51 | #include "AliAODRecoDecayHF4Prong.h" | |
2ff20727 | 52 | #include "AliAODRecoCascadeHF.h" |
f3014dc3 | 53 | #include "AliRDHFCutsD0toKpi.h" |
e3d40058 | 54 | #include "AliRDHFCutsJpsitoee.h" |
55 | #include "AliRDHFCutsDplustoKpipi.h" | |
56 | #include "AliRDHFCutsDstoKKpi.h" | |
57 | #include "AliRDHFCutsLctopKpi.h" | |
a07ad8e0 | 58 | #include "AliRDHFCutsLctoV0.h" |
e3d40058 | 59 | #include "AliRDHFCutsD0toKpipipi.h" |
da6fefc3 | 60 | #include "AliRDHFCutsDStartoKpipi.h" |
f8fa4595 | 61 | #include "AliAnalysisFilter.h" |
6a213b59 | 62 | #include "AliAnalysisVertexingHF.h" |
a25935a9 | 63 | #include "AliMixedEvent.h" |
a07ad8e0 | 64 | #include "AliESDv0.h" |
65 | #include "AliAODv0.h" | |
c7d3975b | 66 | #include "AliCodeTimer.h" |
a3b693b3 | 67 | #include <cstring> |
6a213b59 | 68 | |
69 | ClassImp(AliAnalysisVertexingHF) | |
70 | ||
71 | //---------------------------------------------------------------------------- | |
72 | AliAnalysisVertexingHF::AliAnalysisVertexingHF(): | |
dcb444c9 | 73 | fInputAOD(kFALSE), |
c8ab4e4f | 74 | fAODMapSize(0), |
75 | fAODMap(0), | |
c7d3975b | 76 | fVertexerTracks(0x0), |
b82f6d67 | 77 | fBzkG(0.), |
78 | fSecVtxWithKF(kFALSE), | |
6a213b59 | 79 | fRecoPrimVtxSkippingTrks(kFALSE), |
80 | fRmTrksFromPrimVtx(kFALSE), | |
81 | fV1(0x0), | |
b82f6d67 | 82 | fD0toKpi(kTRUE), |
83 | fJPSItoEle(kTRUE), | |
84 | f3Prong(kTRUE), | |
85 | f4Prong(kTRUE), | |
2ff20727 | 86 | fDstar(kTRUE), |
a07ad8e0 | 87 | fCascades(kTRUE), |
dc963de9 | 88 | fLikeSign(kFALSE), |
1992284a | 89 | fLikeSign3prong(kFALSE), |
a25935a9 | 90 | fMixEvent(kFALSE), |
c7d3975b | 91 | fMaxCentPercentileForTightCuts(-9999), |
2ff20727 | 92 | fTrackFilter(0x0), |
c7d3975b | 93 | fTrackFilter2prongCentral(0x0), |
94 | fTrackFilter3prongCentral(0x0), | |
eee95e18 | 95 | fTrackFilterSoftPi(0x0), |
f3014dc3 | 96 | fCutsD0toKpi(0x0), |
e3d40058 | 97 | fCutsJpsitoee(0x0), |
98 | fCutsDplustoKpipi(0x0), | |
99 | fCutsDstoKKpi(0x0), | |
100 | fCutsLctopKpi(0x0), | |
a07ad8e0 | 101 | fCutsLctoV0(0x0), |
e3d40058 | 102 | fCutsD0toKpipipi(0x0), |
da6fefc3 | 103 | fCutsDStartoKpipi(0x0), |
a9b75906 | 104 | fListOfCuts(0x0), |
a07ad8e0 | 105 | fFindVertexForDstar(kTRUE), |
e0732246 | 106 | fFindVertexForCascades(kTRUE), |
107 | fMassCutBeforeVertexing(kFALSE), | |
108 | fMassCalc2(0), | |
109 | fMassCalc3(0), | |
5e938293 | 110 | fMassCalc4(0), |
c7d3975b | 111 | fOKInvMassD0(kFALSE), |
112 | fOKInvMassJpsi(kFALSE), | |
113 | fOKInvMassDplus(kFALSE), | |
114 | fOKInvMassDs(kFALSE), | |
115 | fOKInvMassLc(kFALSE), | |
116 | fOKInvMassDstar(kFALSE), | |
117 | fOKInvMassD0to4p(kFALSE), | |
118 | fOKInvMassLctoV0(kFALSE), | |
5e938293 | 119 | fnTrksTotal(0), |
c7d3975b | 120 | fnSeleTrksTotal(0), |
121 | fMassDzero(0.), | |
122 | fMassDplus(0.), | |
123 | fMassDs(0.), | |
124 | fMassLambdaC(0.), | |
125 | fMassDstar(0.), | |
126 | fMassJpsi(0.) | |
6a213b59 | 127 | { |
128 | // Default constructor | |
e0732246 | 129 | |
1d79a72c | 130 | Double_t d02[2]={0.,0.}; |
131 | Double_t d03[3]={0.,0.,0.}; | |
132 | Double_t d04[4]={0.,0.,0.,0.}; | |
e0732246 | 133 | fMassCalc2 = new AliAODRecoDecay(0x0,2,0,d02); |
134 | fMassCalc3 = new AliAODRecoDecay(0x0,3,1,d03); | |
135 | fMassCalc4 = new AliAODRecoDecay(0x0,4,0,d04); | |
c7d3975b | 136 | SetMasses(); |
6a213b59 | 137 | } |
13977a79 | 138 | //-------------------------------------------------------------------------- |
139 | AliAnalysisVertexingHF::AliAnalysisVertexingHF(const AliAnalysisVertexingHF &source) : | |
140 | TNamed(source), | |
dcb444c9 | 141 | fInputAOD(source.fInputAOD), |
c8ab4e4f | 142 | fAODMapSize(source.fAODMapSize), |
143 | fAODMap(source.fAODMap), | |
c7d3975b | 144 | fVertexerTracks(source.fVertexerTracks), |
b82f6d67 | 145 | fBzkG(source.fBzkG), |
146 | fSecVtxWithKF(source.fSecVtxWithKF), | |
13977a79 | 147 | fRecoPrimVtxSkippingTrks(source.fRecoPrimVtxSkippingTrks), |
148 | fRmTrksFromPrimVtx(source.fRmTrksFromPrimVtx), | |
149 | fV1(source.fV1), | |
13977a79 | 150 | fD0toKpi(source.fD0toKpi), |
151 | fJPSItoEle(source.fJPSItoEle), | |
152 | f3Prong(source.f3Prong), | |
153 | f4Prong(source.f4Prong), | |
2ff20727 | 154 | fDstar(source.fDstar), |
a07ad8e0 | 155 | fCascades(source.fCascades), |
dc963de9 | 156 | fLikeSign(source.fLikeSign), |
1992284a | 157 | fLikeSign3prong(source.fLikeSign3prong), |
a25935a9 | 158 | fMixEvent(source.fMixEvent), |
c7d3975b | 159 | fMaxCentPercentileForTightCuts(source.fMaxCentPercentileForTightCuts), |
2ff20727 | 160 | fTrackFilter(source.fTrackFilter), |
c7d3975b | 161 | fTrackFilter2prongCentral(source.fTrackFilter2prongCentral), |
162 | fTrackFilter3prongCentral(source.fTrackFilter3prongCentral), | |
eee95e18 | 163 | fTrackFilterSoftPi(source.fTrackFilterSoftPi), |
f3014dc3 | 164 | fCutsD0toKpi(source.fCutsD0toKpi), |
e3d40058 | 165 | fCutsJpsitoee(source.fCutsJpsitoee), |
166 | fCutsDplustoKpipi(source.fCutsDplustoKpipi), | |
167 | fCutsDstoKKpi(source.fCutsDstoKKpi), | |
168 | fCutsLctopKpi(source.fCutsLctopKpi), | |
a07ad8e0 | 169 | fCutsLctoV0(source.fCutsLctoV0), |
e3d40058 | 170 | fCutsD0toKpipipi(source.fCutsD0toKpipipi), |
da6fefc3 | 171 | fCutsDStartoKpipi(source.fCutsDStartoKpipi), |
a9b75906 | 172 | fListOfCuts(source.fListOfCuts), |
a07ad8e0 | 173 | fFindVertexForDstar(source.fFindVertexForDstar), |
e0732246 | 174 | fFindVertexForCascades(source.fFindVertexForCascades), |
175 | fMassCutBeforeVertexing(source.fMassCutBeforeVertexing), | |
176 | fMassCalc2(source.fMassCalc2), | |
177 | fMassCalc3(source.fMassCalc3), | |
5e938293 | 178 | fMassCalc4(source.fMassCalc4), |
c7d3975b | 179 | fOKInvMassD0(source.fOKInvMassD0), |
180 | fOKInvMassJpsi(source.fOKInvMassJpsi), | |
181 | fOKInvMassDplus(source.fOKInvMassDplus), | |
182 | fOKInvMassDs(source.fOKInvMassDs), | |
183 | fOKInvMassLc(source.fOKInvMassLc), | |
184 | fOKInvMassDstar(source.fOKInvMassDstar), | |
185 | fOKInvMassD0to4p(source.fOKInvMassD0to4p), | |
186 | fOKInvMassLctoV0(source.fOKInvMassLctoV0), | |
5e938293 | 187 | fnTrksTotal(0), |
c7d3975b | 188 | fnSeleTrksTotal(0), |
189 | fMassDzero(source.fMassDzero), | |
190 | fMassDplus(source.fMassDplus), | |
191 | fMassDs(source.fMassDs), | |
192 | fMassLambdaC(source.fMassLambdaC), | |
193 | fMassDstar(source.fMassDstar), | |
194 | fMassJpsi(source.fMassJpsi) | |
13977a79 | 195 | { |
196 | // | |
197 | // Copy constructor | |
198 | // | |
13977a79 | 199 | } |
200 | //-------------------------------------------------------------------------- | |
201 | AliAnalysisVertexingHF &AliAnalysisVertexingHF::operator=(const AliAnalysisVertexingHF &source) | |
202 | { | |
203 | // | |
204 | // assignment operator | |
205 | // | |
206 | if(&source == this) return *this; | |
dcb444c9 | 207 | fInputAOD = source.fInputAOD; |
c8ab4e4f | 208 | fAODMapSize = source.fAODMapSize; |
c7d3975b | 209 | fVertexerTracks = source.fVertexerTracks; |
b82f6d67 | 210 | fBzkG = source.fBzkG; |
211 | fSecVtxWithKF = source.fSecVtxWithKF; | |
13977a79 | 212 | fRecoPrimVtxSkippingTrks = source.fRecoPrimVtxSkippingTrks; |
213 | fRmTrksFromPrimVtx = source.fRmTrksFromPrimVtx; | |
214 | fV1 = source.fV1; | |
13977a79 | 215 | fD0toKpi = source.fD0toKpi; |
216 | fJPSItoEle = source.fJPSItoEle; | |
217 | f3Prong = source.f3Prong; | |
218 | f4Prong = source.f4Prong; | |
2ff20727 | 219 | fDstar = source.fDstar; |
a07ad8e0 | 220 | fCascades = source.fCascades; |
dc963de9 | 221 | fLikeSign = source.fLikeSign; |
1992284a | 222 | fLikeSign3prong = source.fLikeSign3prong; |
a25935a9 | 223 | fMixEvent = source.fMixEvent; |
c7d3975b | 224 | fMaxCentPercentileForTightCuts = source.fMaxCentPercentileForTightCuts; |
f8fa4595 | 225 | fTrackFilter = source.fTrackFilter; |
c7d3975b | 226 | fTrackFilter2prongCentral = source.fTrackFilter2prongCentral; |
227 | fTrackFilter3prongCentral = source.fTrackFilter3prongCentral; | |
2ff20727 | 228 | fTrackFilterSoftPi = source.fTrackFilterSoftPi; |
f3014dc3 | 229 | fCutsD0toKpi = source.fCutsD0toKpi; |
e3d40058 | 230 | fCutsJpsitoee = source.fCutsJpsitoee; |
231 | fCutsDplustoKpipi = source.fCutsDplustoKpipi; | |
232 | fCutsDstoKKpi = source.fCutsDstoKKpi; | |
233 | fCutsLctopKpi = source.fCutsLctopKpi; | |
a07ad8e0 | 234 | fCutsLctoV0 = source.fCutsLctoV0; |
e3d40058 | 235 | fCutsD0toKpipipi = source.fCutsD0toKpipipi; |
da6fefc3 | 236 | fCutsDStartoKpipi = source.fCutsDStartoKpipi; |
a9b75906 | 237 | fListOfCuts = source.fListOfCuts; |
eee95e18 | 238 | fFindVertexForDstar = source.fFindVertexForDstar; |
a07ad8e0 | 239 | fFindVertexForCascades = source.fFindVertexForCascades; |
e0732246 | 240 | fMassCutBeforeVertexing = source.fMassCutBeforeVertexing; |
241 | fMassCalc2 = source.fMassCalc2; | |
242 | fMassCalc3 = source.fMassCalc3; | |
243 | fMassCalc4 = source.fMassCalc4; | |
c7d3975b | 244 | fOKInvMassD0 = source.fOKInvMassD0; |
245 | fOKInvMassJpsi = source.fOKInvMassJpsi; | |
246 | fOKInvMassDplus = source.fOKInvMassDplus; | |
247 | fOKInvMassDs = source.fOKInvMassDs; | |
248 | fOKInvMassLc = source.fOKInvMassLc; | |
249 | fOKInvMassDstar = source.fOKInvMassDstar; | |
250 | fOKInvMassD0to4p = source.fOKInvMassD0to4p; | |
251 | fOKInvMassLctoV0 = source.fOKInvMassLctoV0; | |
252 | fMassDzero = source.fMassDzero; | |
253 | fMassDplus = source.fMassDplus; | |
254 | fMassDs = source.fMassDs; | |
255 | fMassLambdaC = source.fMassLambdaC; | |
256 | fMassDstar = source.fMassDstar; | |
257 | fMassJpsi = source.fMassJpsi; | |
13977a79 | 258 | |
13977a79 | 259 | return *this; |
260 | } | |
6a213b59 | 261 | //---------------------------------------------------------------------------- |
262 | AliAnalysisVertexingHF::~AliAnalysisVertexingHF() { | |
263 | // Destructor | |
13977a79 | 264 | if(fV1) { delete fV1; fV1=0; } |
c7d3975b | 265 | delete fVertexerTracks; |
f8fa4595 | 266 | if(fTrackFilter) { delete fTrackFilter; fTrackFilter=0; } |
c7d3975b | 267 | if(fTrackFilter2prongCentral) { delete fTrackFilter2prongCentral; fTrackFilter2prongCentral=0; } |
268 | if(fTrackFilter3prongCentral) { delete fTrackFilter3prongCentral; fTrackFilter3prongCentral=0; } | |
2ff20727 | 269 | if(fTrackFilterSoftPi) { delete fTrackFilterSoftPi; fTrackFilterSoftPi=0; } |
f3014dc3 | 270 | if(fCutsD0toKpi) { delete fCutsD0toKpi; fCutsD0toKpi=0; } |
e3d40058 | 271 | if(fCutsJpsitoee) { delete fCutsJpsitoee; fCutsJpsitoee=0; } |
272 | if(fCutsDplustoKpipi) { delete fCutsDplustoKpipi; fCutsDplustoKpipi=0; } | |
273 | if(fCutsDstoKKpi) { delete fCutsDstoKKpi; fCutsDstoKKpi=0; } | |
274 | if(fCutsLctopKpi) { delete fCutsLctopKpi; fCutsLctopKpi=0; } | |
a07ad8e0 | 275 | if(fCutsLctoV0) { delete fCutsLctoV0; fCutsLctoV0=0; } |
e3d40058 | 276 | if(fCutsD0toKpipipi) { delete fCutsD0toKpipipi; fCutsD0toKpipipi=0; } |
da6fefc3 | 277 | if(fCutsDStartoKpipi) { delete fCutsDStartoKpipi; fCutsDStartoKpipi=0; } |
dc222f77 | 278 | if(fAODMap) { delete [] fAODMap; fAODMap=0; } |
e0732246 | 279 | if(fMassCalc2) { delete fMassCalc2; fMassCalc2=0; } |
280 | if(fMassCalc3) { delete fMassCalc3; fMassCalc3=0; } | |
281 | if(fMassCalc4) { delete fMassCalc4; fMassCalc4=0; } | |
6a213b59 | 282 | } |
283 | //---------------------------------------------------------------------------- | |
a9b75906 | 284 | TList *AliAnalysisVertexingHF::FillListOfCuts() { |
285 | // Fill list of analysis cuts | |
286 | ||
287 | TList *list = new TList(); | |
288 | list->SetOwner(); | |
289 | list->SetName("ListOfCuts"); | |
290 | ||
291 | if(fCutsD0toKpi) { | |
292 | AliRDHFCutsD0toKpi *cutsD0toKpi = new AliRDHFCutsD0toKpi(*fCutsD0toKpi); | |
293 | list->Add(cutsD0toKpi); | |
294 | } | |
295 | if(fCutsJpsitoee) { | |
296 | AliRDHFCutsJpsitoee *cutsJpsitoee = new AliRDHFCutsJpsitoee(*fCutsJpsitoee); | |
297 | list->Add(cutsJpsitoee); | |
298 | } | |
299 | if(fCutsDplustoKpipi) { | |
300 | AliRDHFCutsDplustoKpipi *cutsDplustoKpipi = new AliRDHFCutsDplustoKpipi(*fCutsDplustoKpipi); | |
301 | list->Add(cutsDplustoKpipi); | |
302 | } | |
303 | if(fCutsDstoKKpi) { | |
304 | AliRDHFCutsDstoKKpi *cutsDstoKKpi = new AliRDHFCutsDstoKKpi(*fCutsDstoKKpi); | |
305 | list->Add(cutsDstoKKpi); | |
306 | } | |
307 | if(fCutsLctopKpi) { | |
308 | AliRDHFCutsLctopKpi *cutsLctopKpi = new AliRDHFCutsLctopKpi(*fCutsLctopKpi); | |
309 | list->Add(cutsLctopKpi); | |
310 | } | |
a07ad8e0 | 311 | if(fCutsLctoV0){ |
312 | AliRDHFCutsLctoV0 *cutsLctoV0 = new AliRDHFCutsLctoV0(*fCutsLctoV0); | |
313 | list->Add(cutsLctoV0); | |
314 | } | |
a9b75906 | 315 | if(fCutsD0toKpipipi) { |
316 | AliRDHFCutsD0toKpipipi *cutsD0toKpipipi = new AliRDHFCutsD0toKpipipi(*fCutsD0toKpipipi); | |
317 | list->Add(cutsD0toKpipipi); | |
318 | } | |
da6fefc3 | 319 | if(fCutsDStartoKpipi) { |
320 | AliRDHFCutsDStartoKpipi *cutsDStartoKpipi = new AliRDHFCutsDStartoKpipi(*fCutsDStartoKpipi); | |
321 | list->Add(cutsDStartoKpipi); | |
a9b75906 | 322 | } |
323 | ||
324 | // keep a pointer to the list | |
325 | fListOfCuts = list; | |
326 | ||
327 | return list; | |
328 | } | |
329 | //---------------------------------------------------------------------------- | |
dcb444c9 | 330 | void AliAnalysisVertexingHF::FindCandidates(AliVEvent *event, |
331 | TClonesArray *aodVerticesHFTClArr, | |
332 | TClonesArray *aodD0toKpiTClArr, | |
333 | TClonesArray *aodJPSItoEleTClArr, | |
334 | TClonesArray *aodCharm3ProngTClArr, | |
2ff20727 | 335 | TClonesArray *aodCharm4ProngTClArr, |
dc963de9 | 336 | TClonesArray *aodDstarTClArr, |
a07ad8e0 | 337 | TClonesArray *aodCascadesTClArr, |
423fb9ae | 338 | TClonesArray *aodLikeSign2ProngTClArr, |
339 | TClonesArray *aodLikeSign3ProngTClArr) | |
b056c5e3 | 340 | { |
341 | // Find heavy-flavour vertex candidates | |
dcb444c9 | 342 | // Input: ESD or AOD |
b056c5e3 | 343 | // Output: AOD (additional branches added) |
c7d3975b | 344 | //AliCodeTimerAuto("",0); |
b056c5e3 | 345 | |
a25935a9 | 346 | if(!fMixEvent){ |
347 | TString evtype = event->IsA()->GetName(); | |
348 | fInputAOD = ((evtype=="AliAODEvent") ? kTRUE : kFALSE); | |
349 | } // if we do mixing AliVEvent is a AliMixedEvent | |
dcb444c9 | 350 | |
e15f55cb | 351 | if(fInputAOD) { |
352 | AliDebug(2,"Creating HF candidates from AOD"); | |
353 | } else { | |
354 | AliDebug(2,"Creating HF candidates from ESD"); | |
355 | } | |
356 | ||
b056c5e3 | 357 | if(!aodVerticesHFTClArr) { |
358 | printf("ERROR: no aodVerticesHFTClArr"); | |
359 | return; | |
360 | } | |
fa925a06 | 361 | if((fD0toKpi || fDstar) && !aodD0toKpiTClArr) { |
b056c5e3 | 362 | printf("ERROR: no aodD0toKpiTClArr"); |
363 | return; | |
364 | } | |
365 | if(fJPSItoEle && !aodJPSItoEleTClArr) { | |
366 | printf("ERROR: no aodJPSItoEleTClArr"); | |
367 | return; | |
368 | } | |
369 | if(f3Prong && !aodCharm3ProngTClArr) { | |
370 | printf("ERROR: no aodCharm3ProngTClArr"); | |
371 | return; | |
372 | } | |
373 | if(f4Prong && !aodCharm4ProngTClArr) { | |
374 | printf("ERROR: no aodCharm4ProngTClArr"); | |
375 | return; | |
376 | } | |
2ff20727 | 377 | if(fDstar && !aodDstarTClArr) { |
378 | printf("ERROR: no aodDstarTClArr"); | |
379 | return; | |
380 | } | |
a07ad8e0 | 381 | if(fCascades && !aodCascadesTClArr){ |
382 | printf("ERROR: no aodCascadesTClArr "); | |
383 | return; | |
384 | } | |
423fb9ae | 385 | if(fLikeSign && !aodLikeSign2ProngTClArr) { |
386 | printf("ERROR: no aodLikeSign2ProngTClArr"); | |
387 | return; | |
388 | } | |
1992284a | 389 | if(fLikeSign3prong && f3Prong && !aodLikeSign3ProngTClArr) { |
390 | printf("ERROR: no aodLikeSign3ProngTClArr"); | |
dc963de9 | 391 | return; |
392 | } | |
b056c5e3 | 393 | |
394 | // delete candidates from previous event and create references | |
a07ad8e0 | 395 | Int_t iVerticesHF=0,iD0toKpi=0,iJPSItoEle=0,i3Prong=0,i4Prong=0,iDstar=0,iCascades=0,iLikeSign2Prong=0,iLikeSign3Prong=0; |
b056c5e3 | 396 | aodVerticesHFTClArr->Delete(); |
397 | iVerticesHF = aodVerticesHFTClArr->GetEntriesFast(); | |
398 | TClonesArray &verticesHFRef = *aodVerticesHFTClArr; | |
fa925a06 | 399 | if(fD0toKpi || fDstar) { |
b056c5e3 | 400 | aodD0toKpiTClArr->Delete(); |
401 | iD0toKpi = aodD0toKpiTClArr->GetEntriesFast(); | |
402 | } | |
403 | if(fJPSItoEle) { | |
404 | aodJPSItoEleTClArr->Delete(); | |
405 | iJPSItoEle = aodJPSItoEleTClArr->GetEntriesFast(); | |
406 | } | |
407 | if(f3Prong) { | |
408 | aodCharm3ProngTClArr->Delete(); | |
409 | i3Prong = aodCharm3ProngTClArr->GetEntriesFast(); | |
410 | } | |
411 | if(f4Prong) { | |
412 | aodCharm4ProngTClArr->Delete(); | |
413 | i4Prong = aodCharm4ProngTClArr->GetEntriesFast(); | |
414 | } | |
2ff20727 | 415 | if(fDstar) { |
416 | aodDstarTClArr->Delete(); | |
417 | iDstar = aodDstarTClArr->GetEntriesFast(); | |
418 | } | |
a07ad8e0 | 419 | if(fCascades) { |
420 | aodCascadesTClArr->Delete(); | |
421 | iCascades = aodCascadesTClArr->GetEntriesFast(); | |
422 | } | |
423fb9ae | 423 | if(fLikeSign) { |
424 | aodLikeSign2ProngTClArr->Delete(); | |
425 | iLikeSign2Prong = aodLikeSign2ProngTClArr->GetEntriesFast(); | |
426 | } | |
1992284a | 427 | if(fLikeSign3prong && f3Prong) { |
423fb9ae | 428 | aodLikeSign3ProngTClArr->Delete(); |
429 | iLikeSign3Prong = aodLikeSign3ProngTClArr->GetEntriesFast(); | |
dc963de9 | 430 | } |
423fb9ae | 431 | |
432 | TClonesArray &aodD0toKpiRef = *aodD0toKpiTClArr; | |
433 | TClonesArray &aodJPSItoEleRef = *aodJPSItoEleTClArr; | |
434 | TClonesArray &aodCharm3ProngRef = *aodCharm3ProngTClArr; | |
435 | TClonesArray &aodCharm4ProngRef = *aodCharm4ProngTClArr; | |
436 | TClonesArray &aodDstarRef = *aodDstarTClArr; | |
a07ad8e0 | 437 | TClonesArray &aodCascadesRef = *aodCascadesTClArr; |
423fb9ae | 438 | TClonesArray &aodLikeSign2ProngRef = *aodLikeSign2ProngTClArr; |
439 | TClonesArray &aodLikeSign3ProngRef = *aodLikeSign3ProngTClArr; | |
dc963de9 | 440 | |
b056c5e3 | 441 | |
2ff20727 | 442 | AliAODRecoDecayHF2Prong *io2Prong = 0; |
443 | AliAODRecoDecayHF3Prong *io3Prong = 0; | |
444 | AliAODRecoDecayHF4Prong *io4Prong = 0; | |
445 | AliAODRecoCascadeHF *ioCascade = 0; | |
b056c5e3 | 446 | |
a07ad8e0 | 447 | Int_t iTrkP1,iTrkP2,iTrkN1,iTrkN2,iTrkSoftPi,trkEntries,iv0,nv0; |
448 | Double_t xdummy,ydummy,dcap1n1,dcap1n2,dcap2n1,dcap1p2,dcan1n2,dcap2n2,dcaV0,dcaCasc; | |
b056c5e3 | 449 | Bool_t okD0=kFALSE,okJPSI=kFALSE,ok3Prong=kFALSE,ok4Prong=kFALSE; |
2ff20727 | 450 | Bool_t okDstar=kFALSE,okD0fromDstar=kFALSE; |
a07ad8e0 | 451 | Bool_t okCascades=kFALSE; |
b056c5e3 | 452 | AliESDtrack *postrack1 = 0; |
453 | AliESDtrack *postrack2 = 0; | |
454 | AliESDtrack *negtrack1 = 0; | |
455 | AliESDtrack *negtrack2 = 0; | |
2ff20727 | 456 | AliESDtrack *trackPi = 0; |
c7d3975b | 457 | Double_t mompos1[3],mompos2[3],momneg1[3],momneg2[3]; |
da6fefc3 | 458 | // AliESDtrack *posV0track = 0; |
459 | // AliESDtrack *negV0track = 0; | |
a9b75906 | 460 | Float_t dcaMax = fCutsD0toKpi->GetDCACut(); |
e3d40058 | 461 | if(fCutsJpsitoee) dcaMax=TMath::Max(dcaMax,fCutsJpsitoee->GetDCACut()); |
462 | if(fCutsDplustoKpipi) dcaMax=TMath::Max(dcaMax,fCutsDplustoKpipi->GetDCACut()); | |
463 | if(fCutsDstoKKpi) dcaMax=TMath::Max(dcaMax,fCutsDstoKKpi->GetDCACut()); | |
464 | if(fCutsLctopKpi) dcaMax=TMath::Max(dcaMax,fCutsLctopKpi->GetDCACut()); | |
465 | if(fCutsD0toKpipipi) dcaMax=TMath::Max(dcaMax,fCutsD0toKpipipi->GetDCACut()); | |
da6fefc3 | 466 | if(fCutsDStartoKpipi) dcaMax=TMath::Max(dcaMax,fCutsDStartoKpipi->GetDCACut()); |
a9b75906 | 467 | |
dcb444c9 | 468 | AliDebug(2,Form(" dca cut set to %f cm",dcaMax)); |
b056c5e3 | 469 | |
b056c5e3 | 470 | |
dcb444c9 | 471 | // get Bz |
472 | fBzkG = (Double_t)event->GetMagneticField(); | |
c7d3975b | 473 | if(!fVertexerTracks){ |
474 | fVertexerTracks=new AliVertexerTracks(fBzkG); | |
475 | }else{ | |
476 | Double_t oldField=fVertexerTracks->GetFieldkG(); | |
477 | if(oldField!=fBzkG) fVertexerTracks->SetFieldkG(fBzkG); | |
478 | } | |
b056c5e3 | 479 | |
dcb444c9 | 480 | trkEntries = (Int_t)event->GetNumberOfTracks(); |
481 | AliDebug(1,Form(" Number of tracks: %d",trkEntries)); | |
5e938293 | 482 | fnTrksTotal += trkEntries; |
357cd934 | 483 | |
a07ad8e0 | 484 | nv0 = (Int_t)event->GetNumberOfV0s(); |
485 | AliDebug(1,Form(" Number of V0s: %d",nv0)); | |
486 | ||
487 | if( trkEntries<2 && (trkEntries<1 || nv0<1) ) { | |
357cd934 | 488 | AliDebug(1,Form(" Not enough tracks: %d",trkEntries)); |
489 | return; | |
490 | } | |
a07ad8e0 | 491 | |
3cbc09cd | 492 | // event selection |
a9b75906 | 493 | if(!fCutsD0toKpi->IsEventSelected(event)) return; |
b056c5e3 | 494 | |
dcb444c9 | 495 | // call function that applies sigle-track selection, |
2ff20727 | 496 | // for displaced tracks and soft pions (both charges) for D*, |
dcb444c9 | 497 | // and retrieves primary vertex |
2ff20727 | 498 | TObjArray seleTrksArray(trkEntries); |
1992284a | 499 | TObjArray tracksAtVertex(trkEntries); |
c7d3975b | 500 | UChar_t *seleFlags = new UChar_t[trkEntries]; // bit 0: displaced, bit 1: softpi, bit 2: 3 prong |
2ff20727 | 501 | Int_t nSeleTrks=0; |
a25935a9 | 502 | Int_t *evtNumber = new Int_t[trkEntries]; |
1992284a | 503 | SelectTracksAndCopyVertex(event,trkEntries,seleTrksArray,tracksAtVertex,nSeleTrks,seleFlags,evtNumber); |
504 | ||
5726fa0d | 505 | AliDebug(1,Form(" Selected tracks: %d",nSeleTrks)); |
5e938293 | 506 | fnSeleTrksTotal += nSeleTrks; |
b056c5e3 | 507 | |
1992284a | 508 | |
2ff20727 | 509 | TObjArray *twoTrackArray1 = new TObjArray(2); |
510 | TObjArray *twoTrackArray2 = new TObjArray(2); | |
a07ad8e0 | 511 | TObjArray *twoTrackArrayV0 = new TObjArray(2); |
2ff20727 | 512 | TObjArray *twoTrackArrayCasc = new TObjArray(2); |
513 | TObjArray *threeTrackArray = new TObjArray(3); | |
514 | TObjArray *fourTrackArray = new TObjArray(4); | |
1992284a | 515 | |
dcb444c9 | 516 | Double_t dispersion; |
423fb9ae | 517 | Bool_t isLikeSign2Prong=kFALSE,isLikeSign3Prong=kFALSE; |
dcb444c9 | 518 | |
2ff20727 | 519 | AliAODRecoDecayHF *rd = 0; |
520 | AliAODRecoCascadeHF *rc = 0; | |
18e7db05 | 521 | AliAODv0 *v0 = 0; |
a07ad8e0 | 522 | AliESDv0 *esdV0 = 0; |
2ff20727 | 523 | |
e0732246 | 524 | Bool_t massCutOK=kTRUE; |
525 | ||
b056c5e3 | 526 | // LOOP ON POSITIVE TRACKS |
2ff20727 | 527 | for(iTrkP1=0; iTrkP1<nSeleTrks; iTrkP1++) { |
dc963de9 | 528 | |
6140dcdd | 529 | //if(iTrkP1%1==0) AliDebug(1,Form(" 1st loop on pos: track number %d of %d",iTrkP1,nSeleTrks)); |
e0732246 | 530 | //if(iTrkP1%1==0) printf(" 1st loop on pos: track number %d of %d\n",iTrkP1,nSeleTrks); |
dc963de9 | 531 | |
b056c5e3 | 532 | // get track from tracks array |
2ff20727 | 533 | postrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkP1); |
dc963de9 | 534 | if(!TESTBIT(seleFlags[iTrkP1],kBitDispl)) continue; |
c7d3975b | 535 | postrack1->GetPxPyPz(mompos1); |
dc963de9 | 536 | |
18e7db05 | 537 | // Make cascades with V0+track |
a07ad8e0 | 538 | // |
18e7db05 | 539 | if(fCascades) { |
540 | // loop on V0's | |
a07ad8e0 | 541 | for(iv0=0; iv0<nv0; iv0++){ |
542 | ||
6140dcdd | 543 | //AliDebug(1,Form(" loop on v0s for track number %d and v0 number %d",iTrkP1,iv0)); |
a07ad8e0 | 544 | |
545 | // Get the V0 | |
18e7db05 | 546 | if(fInputAOD) { |
547 | v0 = ((AliAODEvent*)event)->GetV0(iv0); | |
548 | } else { | |
a07ad8e0 | 549 | esdV0 = ((AliESDEvent*)event)->GetV0(iv0); |
550 | } | |
18e7db05 | 551 | if ( (!v0 || !v0->IsA()->InheritsFrom("AliAODv0") ) && |
552 | (!esdV0 || !esdV0->IsA()->InheritsFrom("AliESDv0") ) ) continue; | |
a07ad8e0 | 553 | |
554 | ||
555 | // Get the tracks that form the V0 | |
556 | // ( parameters at primary vertex ) | |
557 | // and define an AliExternalTrackParam out of them | |
558 | AliExternalTrackParam * posV0track; | |
559 | AliExternalTrackParam * negV0track; | |
560 | ||
561 | if(fInputAOD){ | |
18e7db05 | 562 | AliAODTrack *posVV0track = (AliAODTrack*)(v0->GetDaughter(0)); |
563 | AliAODTrack *negVV0track = (AliAODTrack*)(v0->GetDaughter(1)); | |
a07ad8e0 | 564 | if( !posVV0track || !negVV0track ) continue; |
565 | // | |
566 | // Apply some basic V0 daughter criteria | |
567 | // | |
568 | // bachelor must not be a v0-track | |
569 | if (posVV0track->GetID() == postrack1->GetID() || | |
570 | negVV0track->GetID() == postrack1->GetID()) continue; | |
571 | // reject like-sign v0 | |
572 | if ( posVV0track->Charge() == negVV0track->Charge() ) continue; | |
573 | // avoid ghost TPC tracks | |
574 | if(!(posVV0track->GetStatus() & AliESDtrack::kTPCrefit) || | |
575 | !(negVV0track->GetStatus() & AliESDtrack::kTPCrefit)) continue; | |
576 | // Get AliExternalTrackParam out of the AliAODTracks | |
577 | Double_t xyz[3], pxpypz[3], cv[21]; Short_t sign; | |
578 | posVV0track->PxPyPz(pxpypz); posVV0track->XvYvZv(xyz); | |
579 | posVV0track->GetCovarianceXYZPxPyPz(cv); sign=posVV0track->Charge(); | |
580 | posV0track = new AliExternalTrackParam(xyz,pxpypz,cv,sign); | |
581 | negVV0track->PxPyPz(pxpypz); negVV0track->XvYvZv(xyz); | |
582 | negVV0track->GetCovarianceXYZPxPyPz(cv); sign=negVV0track->Charge(); | |
583 | negV0track = new AliExternalTrackParam(xyz,pxpypz,cv,sign); | |
18e7db05 | 584 | } else { |
a07ad8e0 | 585 | AliESDtrack *posVV0track = (AliESDtrack*)(event->GetTrack( esdV0->GetPindex() )); |
586 | AliESDtrack *negVV0track = (AliESDtrack*)(event->GetTrack( esdV0->GetNindex() )); | |
587 | if( !posVV0track || !negVV0track ) continue; | |
588 | // | |
589 | // Apply some basic V0 daughter criteria | |
590 | // | |
591 | // bachelor must not be a v0-track | |
592 | if (posVV0track->GetID() == postrack1->GetID() || | |
593 | negVV0track->GetID() == postrack1->GetID()) continue; | |
594 | // reject like-sign v0 | |
595 | if ( posVV0track->Charge() == negVV0track->Charge() ) continue; | |
596 | // avoid ghost TPC tracks | |
597 | if(!(posVV0track->GetStatus() & AliESDtrack::kTPCrefit) || | |
598 | !(negVV0track->GetStatus() & AliESDtrack::kTPCrefit)) continue; | |
599 | // reject kinks (only necessary on AliESDtracks) | |
600 | if (posVV0track->GetKinkIndex(0)>0 || negVV0track->GetKinkIndex(0)>0) continue; | |
601 | // Get AliExternalTrackParam out of the AliESDtracks | |
18e7db05 | 602 | posV0track = new AliExternalTrackParam(*posVV0track); |
603 | negV0track = new AliExternalTrackParam(*negVV0track); | |
604 | ||
605 | // Define the AODv0 from ESDv0 if reading ESDs | |
606 | v0 = TransformESDv0toAODv0(esdV0,twoTrackArrayV0); | |
a07ad8e0 | 607 | } |
608 | if( !posV0track || !negV0track ){ | |
609 | AliDebug(1,Form(" Couldn't get the V0 daughters")); | |
610 | continue; | |
611 | } | |
612 | ||
613 | // fill in the v0 two-external-track-param array | |
614 | twoTrackArrayV0->AddAt(posV0track,0); | |
615 | twoTrackArrayV0->AddAt(negV0track,1); | |
616 | ||
a07ad8e0 | 617 | // Get the V0 dca |
18e7db05 | 618 | dcaV0 = v0->DcaV0Daughters(); |
a07ad8e0 | 619 | |
620 | // Define the V0 (neutral) track | |
621 | AliNeutralTrackParam *trackV0; | |
622 | if(fInputAOD) { | |
18e7db05 | 623 | const AliVTrack *trackVV0 = dynamic_cast<const AliVTrack*>(v0); |
624 | if(trackVV0) trackV0 = new AliNeutralTrackParam(trackVV0); | |
625 | } else { | |
a07ad8e0 | 626 | Double_t xyz[3], pxpypz[3]; |
627 | esdV0->XvYvZv(xyz); | |
628 | esdV0->PxPyPz(pxpypz); | |
629 | Double_t cv[21]; for(int i=0; i<21; i++) cv[i]=0; | |
630 | trackV0 = new AliNeutralTrackParam(xyz,pxpypz,cv,0); | |
631 | } | |
a07ad8e0 | 632 | // Fill in the object array to create the cascade |
633 | twoTrackArrayCasc->AddAt(postrack1,0); | |
634 | twoTrackArrayCasc->AddAt(trackV0,1); | |
a07ad8e0 | 635 | // Compute the cascade vertex |
636 | AliAODVertex *vertexCasc = 0; | |
637 | if(fFindVertexForCascades) { | |
638 | // DCA between the two tracks | |
639 | dcaCasc = postrack1->GetDCA(trackV0,fBzkG,xdummy,ydummy); | |
640 | // Vertexing+ | |
641 | vertexCasc = ReconstructSecondaryVertex(twoTrackArrayCasc,dispersion,kFALSE); | |
642 | } else { | |
643 | // assume Cascade decays at the primary vertex | |
644 | Double_t pos[3],cov[6],chi2perNDF; | |
645 | fV1->GetXYZ(pos); | |
646 | fV1->GetCovMatrix(cov); | |
647 | chi2perNDF = fV1->GetChi2toNDF(); | |
648 | vertexCasc = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,2); | |
649 | dcaCasc = 0.; | |
650 | } | |
18e7db05 | 651 | if(!vertexCasc) { |
652 | delete posV0track; posV0track=NULL; | |
653 | delete negV0track; negV0track=NULL; | |
654 | delete trackV0; trackV0=NULL; | |
655 | if(!fInputAOD) {delete v0; v0=NULL;} | |
5f3bdcd0 | 656 | twoTrackArrayV0->Clear(); |
a07ad8e0 | 657 | twoTrackArrayCasc->Clear(); |
658 | continue; | |
659 | } | |
660 | ||
661 | // Create and store the Cascade if passed the cuts | |
18e7db05 | 662 | ioCascade = MakeCascade(twoTrackArrayCasc,event,vertexCasc,v0,dcaCasc,okCascades); |
a07ad8e0 | 663 | if(okCascades && ioCascade) { |
6140dcdd | 664 | //AliDebug(1,Form("Storing a cascade object... ")); |
a07ad8e0 | 665 | // add the vertex and the cascade to the AOD |
666 | AliAODVertex *vCasc = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexCasc); | |
667 | rc = new(aodCascadesRef[iCascades++])AliAODRecoCascadeHF(*ioCascade); | |
668 | rc->SetSecondaryVtx(vCasc); | |
669 | vCasc->SetParent(rc); | |
670 | rc->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex()); | |
18e7db05 | 671 | if(!fInputAOD) vCasc->AddDaughter(v0); // just to fill ref #0 ?? |
a07ad8e0 | 672 | AddRefs(vCasc,rc,event,twoTrackArrayCasc); // add the track (proton) |
18e7db05 | 673 | vCasc->AddDaughter(v0); // fill the 2prong V0 |
a07ad8e0 | 674 | } |
675 | ||
676 | // Clean up | |
18e7db05 | 677 | delete posV0track; posV0track=NULL; |
678 | delete negV0track; negV0track=NULL; | |
679 | delete trackV0; trackV0=NULL; | |
a07ad8e0 | 680 | twoTrackArrayV0->Clear(); |
681 | twoTrackArrayCasc->Clear(); | |
682 | if(ioCascade) { delete ioCascade; ioCascade=NULL; } | |
683 | if(vertexCasc) { delete vertexCasc; vertexCasc=NULL; } | |
18e7db05 | 684 | if(!fInputAOD) {delete v0; v0=NULL;} |
a07ad8e0 | 685 | |
18e7db05 | 686 | } // end loop on V0's |
687 | } | |
688 | ||
e11ae259 | 689 | // If there is less than 2 particles continue |
a07ad8e0 | 690 | if(trkEntries<2) { |
691 | AliDebug(1,Form(" Not enough tracks: %d",trkEntries)); | |
e11ae259 | 692 | continue; |
a07ad8e0 | 693 | } |
694 | ||
dc963de9 | 695 | if(postrack1->Charge()<0 && !fLikeSign) continue; |
696 | ||
b056c5e3 | 697 | // LOOP ON NEGATIVE TRACKS |
2ff20727 | 698 | for(iTrkN1=0; iTrkN1<nSeleTrks; iTrkN1++) { |
dc963de9 | 699 | |
6140dcdd | 700 | //if(iTrkN1%1==0) AliDebug(1,Form(" 1st loop on neg: track number %d of %d",iTrkN1,nSeleTrks)); |
e0732246 | 701 | //if(iTrkN1%1==0) printf(" 1st loop on neg: track number %d of %d\n",iTrkN1,nSeleTrks); |
dc963de9 | 702 | |
703 | if(iTrkN1==iTrkP1) continue; | |
704 | ||
b056c5e3 | 705 | // get track from tracks array |
2ff20727 | 706 | negtrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN1); |
dc963de9 | 707 | |
708 | if(negtrack1->Charge()>0 && !fLikeSign) continue; | |
709 | ||
710 | if(!TESTBIT(seleFlags[iTrkN1],kBitDispl)) continue; | |
711 | ||
a25935a9 | 712 | if(fMixEvent) { |
713 | if(evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
714 | } | |
715 | ||
dc963de9 | 716 | if(postrack1->Charge()==negtrack1->Charge()) { // like-sign |
423fb9ae | 717 | isLikeSign2Prong=kTRUE; |
dc963de9 | 718 | if(!fLikeSign) continue; |
719 | if(iTrkN1<iTrkP1) continue; // this is needed to avoid double-counting of like-sign | |
720 | } else { // unlike-sign | |
423fb9ae | 721 | isLikeSign2Prong=kFALSE; |
dc963de9 | 722 | if(postrack1->Charge()<0 || negtrack1->Charge()>0) continue; // this is needed to avoid double-counting of unlike-sign |
a25935a9 | 723 | if(fMixEvent) { |
724 | if(evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
725 | } | |
726 | ||
dc963de9 | 727 | } |
728 | ||
dcb444c9 | 729 | // back to primary vertex |
1992284a | 730 | // postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); |
731 | // negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
732 | SetParametersAtVertex(postrack1,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkP1)); | |
733 | SetParametersAtVertex(negtrack1,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkN1)); | |
c7d3975b | 734 | negtrack1->GetPxPyPz(momneg1); |
dc963de9 | 735 | |
b056c5e3 | 736 | // DCA between the two tracks |
737 | dcap1n1 = postrack1->GetDCA(negtrack1,fBzkG,xdummy,ydummy); | |
738 | if(dcap1n1>dcaMax) { negtrack1=0; continue; } | |
dc963de9 | 739 | |
b056c5e3 | 740 | // Vertexing |
741 | twoTrackArray1->AddAt(postrack1,0); | |
742 | twoTrackArray1->AddAt(negtrack1,1); | |
dcb444c9 | 743 | AliAODVertex *vertexp1n1 = ReconstructSecondaryVertex(twoTrackArray1,dispersion); |
1992284a | 744 | if(!vertexp1n1) { |
b056c5e3 | 745 | twoTrackArray1->Clear(); |
746 | negtrack1=0; | |
747 | continue; | |
748 | } | |
dc963de9 | 749 | |
750 | // 2 prong candidate | |
751 | if(fD0toKpi || fJPSItoEle || fDstar || fLikeSign) { | |
b6e66d86 | 752 | |
2ff20727 | 753 | io2Prong = Make2Prong(twoTrackArray1,event,vertexp1n1,dcap1n1,okD0,okJPSI,okD0fromDstar); |
b6e66d86 | 754 | |
423fb9ae | 755 | if((fD0toKpi && okD0) || (fJPSItoEle && okJPSI) || (isLikeSign2Prong && (okD0 || okJPSI))) { |
2ff20727 | 756 | // add the vertex and the decay to the AOD |
757 | AliAODVertex *v2Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1); | |
423fb9ae | 758 | if(!isLikeSign2Prong) { |
dc963de9 | 759 | if(okD0) { |
760 | rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong); | |
761 | rd->SetSecondaryVtx(v2Prong); | |
762 | v2Prong->SetParent(rd); | |
a9b75906 | 763 | AddRefs(v2Prong,rd,event,twoTrackArray1); |
dc963de9 | 764 | } |
765 | if(okJPSI) { | |
766 | rd = new(aodJPSItoEleRef[iJPSItoEle++])AliAODRecoDecayHF2Prong(*io2Prong); | |
767 | rd->SetSecondaryVtx(v2Prong); | |
768 | if(!okD0) v2Prong->SetParent(rd); // it cannot have two mothers ... | |
a9b75906 | 769 | AddRefs(v2Prong,rd,event,twoTrackArray1); |
dc963de9 | 770 | } |
423fb9ae | 771 | } else { // isLikeSign2Prong |
772 | rd = new(aodLikeSign2ProngRef[iLikeSign2Prong++])AliAODRecoDecayHF2Prong(*io2Prong); | |
2ff20727 | 773 | rd->SetSecondaryVtx(v2Prong); |
774 | v2Prong->SetParent(rd); | |
d2e578da | 775 | AddRefs(v2Prong,rd,event,twoTrackArray1); |
dcb444c9 | 776 | } |
939850df | 777 | // Set selection bit for PID |
c20e04a0 | 778 | if(okD0) SetSelectionBitForPID(fCutsD0toKpi,rd,AliRDHFCuts::kD0toKpiPID); |
b056c5e3 | 779 | } |
dc963de9 | 780 | // D* candidates |
423fb9ae | 781 | if(fDstar && okD0fromDstar && !isLikeSign2Prong) { |
dc963de9 | 782 | // write references in io2Prong |
783 | if(fInputAOD) { | |
2ff20727 | 784 | AddDaughterRefs(vertexp1n1,event,twoTrackArray1); |
dc963de9 | 785 | } else { |
786 | vertexp1n1->AddDaughter(postrack1); | |
787 | vertexp1n1->AddDaughter(negtrack1); | |
2ff20727 | 788 | } |
dc963de9 | 789 | io2Prong->SetSecondaryVtx(vertexp1n1); |
790 | //printf("---> %d %d %d %d %d\n",vertexp1n1->GetNDaughters(),iTrkP1,iTrkN1,postrack1->Charge(),negtrack1->Charge()); | |
2ff20727 | 791 | // create a track from the D0 |
dcfa35b3 | 792 | AliNeutralTrackParam *trackD0 = new AliNeutralTrackParam(io2Prong); |
dc963de9 | 793 | |
2ff20727 | 794 | // LOOP ON TRACKS THAT PASSED THE SOFT PION CUTS |
795 | for(iTrkSoftPi=0; iTrkSoftPi<nSeleTrks; iTrkSoftPi++) { | |
dc963de9 | 796 | |
2ff20727 | 797 | if(iTrkSoftPi==iTrkP1 || iTrkSoftPi==iTrkN1) continue; |
dc963de9 | 798 | |
2ff20727 | 799 | if(!TESTBIT(seleFlags[iTrkSoftPi],kBitSoftPi)) continue; |
dc963de9 | 800 | |
a25935a9 | 801 | if(fMixEvent) { |
802 | if(evtNumber[iTrkP1]==evtNumber[iTrkSoftPi] || | |
803 | evtNumber[iTrkN1]==evtNumber[iTrkSoftPi] || | |
804 | evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
805 | } | |
806 | ||
6140dcdd | 807 | //if(iTrkSoftPi%1==0) AliDebug(1,Form(" 1st loop on pi_s: track number %d of %d",iTrkSoftPi,nSeleTrks)); |
dc963de9 | 808 | |
eee95e18 | 809 | trackD0->PropagateToDCA(fV1,fBzkG,kVeryBig); |
810 | if(trackD0->GetSigmaY2()<0. || trackD0->GetSigmaZ2()<0.) continue; // this is insipired by the AliITStrackV2::Invariant() checks | |
811 | ||
2ff20727 | 812 | // get track from tracks array |
813 | trackPi = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkSoftPi); | |
1992284a | 814 | // trackPi->PropagateToDCA(fV1,fBzkG,kVeryBig); |
815 | SetParametersAtVertex(trackPi,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkSoftPi)); | |
2ff20727 | 816 | twoTrackArrayCasc->AddAt(trackPi,0); |
817 | twoTrackArrayCasc->AddAt(trackD0,1); | |
c7d3975b | 818 | if(!SelectInvMassAndPtDstarD0pi(twoTrackArrayCasc)){ |
819 | twoTrackArrayCasc->Clear(); | |
820 | trackPi=0; | |
821 | continue; | |
822 | } | |
eee95e18 | 823 | |
824 | AliAODVertex *vertexCasc = 0; | |
825 | ||
826 | if(fFindVertexForDstar) { | |
827 | // DCA between the two tracks | |
828 | dcaCasc = trackPi->GetDCA(trackD0,fBzkG,xdummy,ydummy); | |
829 | // Vertexing | |
830 | vertexCasc = ReconstructSecondaryVertex(twoTrackArrayCasc,dispersion,kFALSE); | |
831 | } else { | |
832 | // assume Dstar decays at the primary vertex | |
833 | Double_t pos[3],cov[6],chi2perNDF; | |
834 | fV1->GetXYZ(pos); | |
835 | fV1->GetCovMatrix(cov); | |
836 | chi2perNDF = fV1->GetChi2toNDF(); | |
837 | vertexCasc = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,2); | |
838 | dcaCasc = 0.; | |
839 | } | |
2ff20727 | 840 | if(!vertexCasc) { |
841 | twoTrackArrayCasc->Clear(); | |
842 | trackPi=0; | |
843 | continue; | |
844 | } | |
dc963de9 | 845 | |
2ff20727 | 846 | ioCascade = MakeCascade(twoTrackArrayCasc,event,vertexCasc,io2Prong,dcaCasc,okDstar); |
847 | if(okDstar) { | |
dc963de9 | 848 | // add the D0 to the AOD (if not already done) |
2ff20727 | 849 | if(!okD0) { |
2ff20727 | 850 | AliAODVertex *v2Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1); |
2ff20727 | 851 | rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong); |
852 | rd->SetSecondaryVtx(v2Prong); | |
853 | v2Prong->SetParent(rd); | |
a9b75906 | 854 | AddRefs(v2Prong,rd,event,twoTrackArray1); |
2ff20727 | 855 | okD0=kTRUE; // this is done to add it only once |
856 | } | |
857 | // add the vertex and the cascade to the AOD | |
858 | AliAODVertex *vCasc = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexCasc); | |
2ff20727 | 859 | rc = new(aodDstarRef[iDstar++])AliAODRecoCascadeHF(*ioCascade); |
2ff20727 | 860 | rc->SetSecondaryVtx(vCasc); |
861 | vCasc->SetParent(rc); | |
a9b75906 | 862 | if(!fInputAOD) vCasc->AddDaughter(rd); // just to fill ref #0 |
863 | AddRefs(vCasc,rc,event,twoTrackArrayCasc); | |
864 | vCasc->AddDaughter(rd); // add the D0 (in ref #1) | |
939850df | 865 | // Set selection bit for PID |
c20e04a0 | 866 | SetSelectionBitForPID(fCutsDStartoKpipi,rc,AliRDHFCuts::kDstarPID); |
2ff20727 | 867 | } |
868 | twoTrackArrayCasc->Clear(); | |
869 | trackPi=0; | |
0a65d33f | 870 | if(ioCascade) {delete ioCascade; ioCascade=NULL;} |
b6e66d86 | 871 | delete vertexCasc; vertexCasc=NULL; |
2ff20727 | 872 | } // end loop on soft pi tracks |
dc963de9 | 873 | |
2ff20727 | 874 | if(trackD0) {delete trackD0; trackD0=NULL;} |
dc963de9 | 875 | |
2ff20727 | 876 | } |
0a65d33f | 877 | if(io2Prong) {delete io2Prong; io2Prong=NULL;} |
2ff20727 | 878 | } |
dc963de9 | 879 | |
b056c5e3 | 880 | twoTrackArray1->Clear(); |
423fb9ae | 881 | if( (!f3Prong && !f4Prong) || |
882 | (isLikeSign2Prong && !f3Prong) ) { | |
b056c5e3 | 883 | negtrack1=0; |
884 | delete vertexp1n1; | |
885 | continue; | |
886 | } | |
887 | ||
888 | ||
889 | // 2nd LOOP ON POSITIVE TRACKS | |
2ff20727 | 890 | for(iTrkP2=iTrkP1+1; iTrkP2<nSeleTrks; iTrkP2++) { |
dc963de9 | 891 | |
2ff20727 | 892 | if(iTrkP2==iTrkP1 || iTrkP2==iTrkN1) continue; |
dc963de9 | 893 | |
6140dcdd | 894 | //if(iTrkP2%1==0) AliDebug(1,Form(" 2nd loop on pos: track number %d of %d",iTrkP2,nSeleTrks)); |
dc963de9 | 895 | |
b056c5e3 | 896 | // get track from tracks array |
2ff20727 | 897 | postrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkP2); |
dc963de9 | 898 | |
899 | if(postrack2->Charge()<0) continue; | |
900 | ||
901 | if(!TESTBIT(seleFlags[iTrkP2],kBitDispl)) continue; | |
902 | ||
c7d3975b | 903 | // Check single tracks cuts specific for 3 prongs |
904 | if(!TESTBIT(seleFlags[iTrkP2],kBit3Prong)) continue; | |
905 | if(!TESTBIT(seleFlags[iTrkP1],kBit3Prong)) continue; | |
906 | if(!TESTBIT(seleFlags[iTrkN1],kBit3Prong)) continue; | |
907 | ||
a25935a9 | 908 | if(fMixEvent) { |
909 | if(evtNumber[iTrkP1]==evtNumber[iTrkP2] || | |
910 | evtNumber[iTrkN1]==evtNumber[iTrkP2] || | |
911 | evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
912 | } | |
913 | ||
423fb9ae | 914 | if(isLikeSign2Prong) { // like-sign pair -> have to build only like-sign triplet |
1992284a | 915 | if(!fLikeSign3prong) continue; |
423fb9ae | 916 | if(postrack1->Charge()>0) { // ok: like-sign triplet (+++) |
917 | isLikeSign3Prong=kTRUE; | |
918 | } else { // not ok | |
919 | continue; | |
920 | } | |
921 | } else { // normal triplet (+-+) | |
922 | isLikeSign3Prong=kFALSE; | |
a25935a9 | 923 | if(fMixEvent) { |
924 | if(evtNumber[iTrkP1]==evtNumber[iTrkP2] || | |
925 | evtNumber[iTrkN1]==evtNumber[iTrkP2] || | |
926 | evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
927 | } | |
423fb9ae | 928 | } |
929 | ||
dcb444c9 | 930 | // back to primary vertex |
1992284a | 931 | // postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); |
932 | // postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
933 | // negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
934 | SetParametersAtVertex(postrack1,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkP1)); | |
935 | SetParametersAtVertex(negtrack1,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkN1)); | |
936 | SetParametersAtVertex(postrack2,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkP2)); | |
937 | ||
2ff20727 | 938 | //printf("********** %d %d %d\n",postrack1->GetID(),postrack2->GetID(),negtrack1->GetID()); |
dc963de9 | 939 | |
b056c5e3 | 940 | dcap2n1 = postrack2->GetDCA(negtrack1,fBzkG,xdummy,ydummy); |
941 | if(dcap2n1>dcaMax) { postrack2=0; continue; } | |
942 | dcap1p2 = postrack2->GetDCA(postrack1,fBzkG,xdummy,ydummy); | |
943 | if(dcap1p2>dcaMax) { postrack2=0; continue; } | |
e0732246 | 944 | |
945 | // check invariant mass cuts for D+,Ds,Lc | |
946 | massCutOK=kTRUE; | |
947 | if(f3Prong) { | |
948 | if(postrack2->Charge()>0) { | |
949 | threeTrackArray->AddAt(postrack1,0); | |
950 | threeTrackArray->AddAt(negtrack1,1); | |
951 | threeTrackArray->AddAt(postrack2,2); | |
952 | } else { | |
953 | threeTrackArray->AddAt(negtrack1,0); | |
954 | threeTrackArray->AddAt(postrack1,1); | |
955 | threeTrackArray->AddAt(postrack2,2); | |
956 | } | |
c7d3975b | 957 | if(fMassCutBeforeVertexing){ |
958 | postrack2->GetPxPyPz(mompos2); | |
959 | Double_t pxDau[3]={mompos1[0],momneg1[0],mompos2[0]}; | |
960 | Double_t pyDau[3]={mompos1[1],momneg1[1],mompos2[1]}; | |
961 | Double_t pzDau[3]={mompos1[2],momneg1[2],mompos2[2]}; | |
962 | // massCutOK = SelectInvMassAndPt3prong(threeTrackArray); | |
963 | massCutOK = SelectInvMassAndPt3prong(pxDau,pyDau,pzDau); | |
964 | } | |
e0732246 | 965 | } |
966 | ||
967 | if(f3Prong && !massCutOK) { | |
968 | threeTrackArray->Clear(); | |
969 | if(!f4Prong) { | |
970 | postrack2=0; | |
971 | continue; | |
972 | } | |
973 | } | |
b056c5e3 | 974 | |
975 | // Vertexing | |
976 | twoTrackArray2->AddAt(postrack2,0); | |
977 | twoTrackArray2->AddAt(negtrack1,1); | |
dcb444c9 | 978 | AliAODVertex *vertexp2n1 = ReconstructSecondaryVertex(twoTrackArray2,dispersion); |
b056c5e3 | 979 | if(!vertexp2n1) { |
980 | twoTrackArray2->Clear(); | |
981 | postrack2=0; | |
423fb9ae | 982 | continue; |
b056c5e3 | 983 | } |
dc963de9 | 984 | |
985 | // 3 prong candidates | |
e0732246 | 986 | if(f3Prong && massCutOK) { |
dc963de9 | 987 | |
dcb444c9 | 988 | AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion); |
989 | io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp2n1,dcap1n1,dcap2n1,dcap1p2,ok3Prong); | |
b056c5e3 | 990 | if(ok3Prong) { |
2ff20727 | 991 | AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD); |
423fb9ae | 992 | if(!isLikeSign3Prong) { |
993 | rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
994 | rd->SetSecondaryVtx(v3Prong); | |
995 | v3Prong->SetParent(rd); | |
a9b75906 | 996 | AddRefs(v3Prong,rd,event,threeTrackArray); |
423fb9ae | 997 | } else { // isLikeSign3Prong |
1992284a | 998 | if(fLikeSign3prong){ |
999 | rd = new(aodLikeSign3ProngRef[iLikeSign3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
1000 | rd->SetSecondaryVtx(v3Prong); | |
1001 | v3Prong->SetParent(rd); | |
1002 | AddRefs(v3Prong,rd,event,threeTrackArray); | |
1003 | } | |
423fb9ae | 1004 | } |
939850df | 1005 | // Set selection bit for PID |
c20e04a0 | 1006 | SetSelectionBitForPID(fCutsDplustoKpipi,rd,AliRDHFCuts::kDplusPID); |
1007 | SetSelectionBitForPID(fCutsDstoKKpi,rd,AliRDHFCuts::kDsPID); | |
1008 | SetSelectionBitForPID(fCutsLctopKpi,rd,AliRDHFCuts::kLcPID); | |
b056c5e3 | 1009 | } |
b6e66d86 | 1010 | if(io3Prong) {delete io3Prong; io3Prong=NULL;} |
1011 | if(secVert3PrAOD) {delete secVert3PrAOD; secVert3PrAOD=NULL;} | |
b056c5e3 | 1012 | } |
dc963de9 | 1013 | |
1014 | // 4 prong candidates | |
423fb9ae | 1015 | if(f4Prong |
1016 | // don't make 4 prong with like-sign pairs and triplets | |
1017 | && !isLikeSign2Prong && !isLikeSign3Prong | |
fae0f82d | 1018 | // track-to-track dca cuts already now |
cb8088a2 | 1019 | && dcap1n1 < fCutsD0toKpipipi->GetDCACut() |
1020 | && dcap2n1 < fCutsD0toKpipipi->GetDCACut()) { | |
dc963de9 | 1021 | |
721c0b8f | 1022 | // back to primary vertex |
1992284a | 1023 | // postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); |
1024 | // postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
1025 | // negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
1026 | SetParametersAtVertex(postrack1,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkP1)); | |
1027 | SetParametersAtVertex(negtrack1,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkN1)); | |
1028 | SetParametersAtVertex(postrack2,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkP2)); | |
1029 | ||
721c0b8f | 1030 | // Vertexing for these 3 (can be taken from above?) |
1031 | threeTrackArray->AddAt(postrack1,0); | |
1032 | threeTrackArray->AddAt(negtrack1,1); | |
1992284a | 1033 | threeTrackArray->AddAt(postrack2,2); |
721c0b8f | 1034 | AliAODVertex* vertexp1n1p2 = ReconstructSecondaryVertex(threeTrackArray,dispersion); |
1035 | ||
b056c5e3 | 1036 | // 3rd LOOP ON NEGATIVE TRACKS (for 4 prong) |
2ff20727 | 1037 | for(iTrkN2=iTrkN1+1; iTrkN2<nSeleTrks; iTrkN2++) { |
dc963de9 | 1038 | |
2ff20727 | 1039 | if(iTrkN2==iTrkP1 || iTrkN2==iTrkP2 || iTrkN2==iTrkN1) continue; |
dc963de9 | 1040 | |
6140dcdd | 1041 | //if(iTrkN2%1==0) AliDebug(1,Form(" 3rd loop on neg: track number %d of %d",iTrkN2,nSeleTrks)); |
dc963de9 | 1042 | |
b056c5e3 | 1043 | // get track from tracks array |
2ff20727 | 1044 | negtrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN2); |
dc963de9 | 1045 | |
1046 | if(negtrack2->Charge()>0) continue; | |
1047 | ||
1048 | if(!TESTBIT(seleFlags[iTrkN2],kBitDispl)) continue; | |
a25935a9 | 1049 | if(fMixEvent){ |
1050 | if(evtNumber[iTrkP1]==evtNumber[iTrkN2] || | |
1051 | evtNumber[iTrkN1]==evtNumber[iTrkN2] || | |
1052 | evtNumber[iTrkP2]==evtNumber[iTrkN2] || | |
1053 | evtNumber[iTrkP1]==evtNumber[iTrkN1] || | |
1054 | evtNumber[iTrkP1]==evtNumber[iTrkP2] || | |
1055 | evtNumber[iTrkN1]==evtNumber[iTrkP2]) continue; | |
1056 | } | |
dc963de9 | 1057 | |
dcb444c9 | 1058 | // back to primary vertex |
1992284a | 1059 | // postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); |
1060 | // postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
1061 | // negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
1062 | // negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
1063 | SetParametersAtVertex(postrack1,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkP1)); | |
1064 | SetParametersAtVertex(negtrack1,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkN1)); | |
1065 | SetParametersAtVertex(postrack2,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkP2)); | |
1066 | SetParametersAtVertex(negtrack2,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkN2)); | |
1067 | ||
b056c5e3 | 1068 | dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); |
cb8088a2 | 1069 | if(dcap1n2 > fCutsD0toKpipipi->GetDCACut()) { negtrack2=0; continue; } |
721c0b8f | 1070 | dcap2n2 = postrack2->GetDCA(negtrack2,fBzkG,xdummy,ydummy); |
cb8088a2 | 1071 | if(dcap2n2 > fCutsD0toKpipipi->GetDCACut()) { negtrack2=0; continue; } |
dc963de9 | 1072 | |
e0732246 | 1073 | |
b056c5e3 | 1074 | fourTrackArray->AddAt(postrack1,0); |
1075 | fourTrackArray->AddAt(negtrack1,1); | |
1076 | fourTrackArray->AddAt(postrack2,2); | |
1077 | fourTrackArray->AddAt(negtrack2,3); | |
dc963de9 | 1078 | |
e0732246 | 1079 | // check invariant mass cuts for D0 |
1080 | massCutOK=kTRUE; | |
1081 | if(fMassCutBeforeVertexing) | |
c7d3975b | 1082 | massCutOK = SelectInvMassAndPt4prong(fourTrackArray); |
e0732246 | 1083 | |
1084 | if(!massCutOK) { | |
1085 | fourTrackArray->Clear(); | |
1086 | negtrack2=0; | |
1087 | continue; | |
1088 | } | |
1089 | ||
1090 | // Vertexing | |
dcb444c9 | 1091 | AliAODVertex* secVert4PrAOD = ReconstructSecondaryVertex(fourTrackArray,dispersion); |
721c0b8f | 1092 | io4Prong = Make4Prong(fourTrackArray,event,secVert4PrAOD,vertexp1n1,vertexp1n1p2,dcap1n1,dcap1n2,dcap2n1,dcap2n2,ok4Prong); |
b056c5e3 | 1093 | if(ok4Prong) { |
2ff20727 | 1094 | AliAODVertex *v4Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert4PrAOD); |
2ff20727 | 1095 | rd = new(aodCharm4ProngRef[i4Prong++])AliAODRecoDecayHF4Prong(*io4Prong); |
1096 | rd->SetSecondaryVtx(v4Prong); | |
1097 | v4Prong->SetParent(rd); | |
a9b75906 | 1098 | AddRefs(v4Prong,rd,event,fourTrackArray); |
b056c5e3 | 1099 | } |
dc963de9 | 1100 | |
b6e66d86 | 1101 | if(io4Prong) {delete io4Prong; io4Prong=NULL;} |
1102 | if(secVert4PrAOD) {delete secVert4PrAOD; secVert4PrAOD=NULL;} | |
b056c5e3 | 1103 | fourTrackArray->Clear(); |
1104 | negtrack2 = 0; | |
dc963de9 | 1105 | |
b056c5e3 | 1106 | } // end loop on negative tracks |
dc963de9 | 1107 | |
721c0b8f | 1108 | threeTrackArray->Clear(); |
1109 | delete vertexp1n1p2; | |
1110 | ||
b056c5e3 | 1111 | } |
dc963de9 | 1112 | |
b056c5e3 | 1113 | postrack2 = 0; |
1114 | delete vertexp2n1; | |
dc963de9 | 1115 | |
b056c5e3 | 1116 | } // end 2nd loop on positive tracks |
dc963de9 | 1117 | |
b056c5e3 | 1118 | twoTrackArray2->Clear(); |
1119 | ||
423fb9ae | 1120 | // 2nd LOOP ON NEGATIVE TRACKS (for 3 prong -+-) |
2ff20727 | 1121 | for(iTrkN2=iTrkN1+1; iTrkN2<nSeleTrks; iTrkN2++) { |
dc963de9 | 1122 | |
2ff20727 | 1123 | if(iTrkN2==iTrkP1 || iTrkN2==iTrkP2 || iTrkN2==iTrkN1) continue; |
dc963de9 | 1124 | |
6140dcdd | 1125 | //if(iTrkN2%1==0) AliDebug(1,Form(" 2nd loop on neg: track number %d of %d",iTrkN2,nSeleTrks)); |
dc963de9 | 1126 | |
b056c5e3 | 1127 | // get track from tracks array |
2ff20727 | 1128 | negtrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN2); |
dc963de9 | 1129 | |
1130 | if(negtrack2->Charge()>0) continue; | |
1131 | ||
1132 | if(!TESTBIT(seleFlags[iTrkN2],kBitDispl)) continue; | |
1133 | ||
c7d3975b | 1134 | // Check single tracks cuts specific for 3 prongs |
1135 | if(!TESTBIT(seleFlags[iTrkN2],kBit3Prong)) continue; | |
1136 | if(!TESTBIT(seleFlags[iTrkP1],kBit3Prong)) continue; | |
1137 | if(!TESTBIT(seleFlags[iTrkN1],kBit3Prong)) continue; | |
1138 | ||
a25935a9 | 1139 | if(fMixEvent) { |
1140 | if(evtNumber[iTrkP1]==evtNumber[iTrkN2] || | |
1141 | evtNumber[iTrkN1]==evtNumber[iTrkN2] || | |
1142 | evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue; | |
1143 | } | |
1144 | ||
423fb9ae | 1145 | if(isLikeSign2Prong) { // like-sign pair -> have to build only like-sign triplet |
1992284a | 1146 | if(!fLikeSign3prong) continue; |
423fb9ae | 1147 | if(postrack1->Charge()<0) { // ok: like-sign triplet (---) |
1148 | isLikeSign3Prong=kTRUE; | |
1149 | } else { // not ok | |
1150 | continue; | |
1151 | } | |
1152 | } else { // normal triplet (-+-) | |
a25935a9 | 1153 | isLikeSign3Prong=kFALSE; |
423fb9ae | 1154 | } |
1155 | ||
dcb444c9 | 1156 | // back to primary vertex |
1992284a | 1157 | // postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); |
1158 | // negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
1159 | // negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
1160 | SetParametersAtVertex(postrack1,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkP1)); | |
1161 | SetParametersAtVertex(negtrack1,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkN1)); | |
1162 | SetParametersAtVertex(negtrack2,(AliExternalTrackParam*)tracksAtVertex.UncheckedAt(iTrkN2)); | |
2ff20727 | 1163 | //printf("********** %d %d %d\n",postrack1->GetID(),negtrack1->GetID(),negtrack2->GetID()); |
dc963de9 | 1164 | |
b056c5e3 | 1165 | dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); |
1166 | if(dcap1n2>dcaMax) { negtrack2=0; continue; } | |
1167 | dcan1n2 = negtrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); | |
1168 | if(dcan1n2>dcaMax) { negtrack2=0; continue; } | |
e0732246 | 1169 | |
1170 | threeTrackArray->AddAt(negtrack1,0); | |
1171 | threeTrackArray->AddAt(postrack1,1); | |
1172 | threeTrackArray->AddAt(negtrack2,2); | |
1173 | ||
1174 | // check invariant mass cuts for D+,Ds,Lc | |
1175 | massCutOK=kTRUE; | |
c7d3975b | 1176 | if(fMassCutBeforeVertexing && f3Prong){ |
1177 | negtrack2->GetPxPyPz(momneg2); | |
1178 | Double_t pxDau[3]={momneg1[0],mompos1[0],momneg2[0]}; | |
1179 | Double_t pyDau[3]={momneg1[1],mompos1[1],momneg2[1]}; | |
1180 | Double_t pzDau[3]={momneg1[2],mompos1[2],momneg2[2]}; | |
1181 | // massCutOK = SelectInvMassAndPt3prong(threeTrackArray); | |
1182 | massCutOK = SelectInvMassAndPt3prong(pxDau,pyDau,pzDau); | |
1183 | } | |
e0732246 | 1184 | if(!massCutOK) { |
1185 | threeTrackArray->Clear(); | |
1186 | negtrack2=0; | |
1187 | continue; | |
1188 | } | |
b056c5e3 | 1189 | |
1190 | // Vertexing | |
1191 | twoTrackArray2->AddAt(postrack1,0); | |
1192 | twoTrackArray2->AddAt(negtrack2,1); | |
dcb444c9 | 1193 | |
1194 | AliAODVertex *vertexp1n2 = ReconstructSecondaryVertex(twoTrackArray2,dispersion); | |
b056c5e3 | 1195 | if(!vertexp1n2) { |
1196 | twoTrackArray2->Clear(); | |
1197 | negtrack2=0; | |
1198 | continue; | |
1199 | } | |
dc963de9 | 1200 | |
b056c5e3 | 1201 | if(f3Prong) { |
dcb444c9 | 1202 | AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion); |
1203 | io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp1n2,dcap1n1,dcap1n2,dcan1n2,ok3Prong); | |
b056c5e3 | 1204 | if(ok3Prong) { |
2ff20727 | 1205 | AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD); |
423fb9ae | 1206 | if(!isLikeSign3Prong) { |
1207 | rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
1208 | rd->SetSecondaryVtx(v3Prong); | |
1209 | v3Prong->SetParent(rd); | |
a9b75906 | 1210 | AddRefs(v3Prong,rd,event,threeTrackArray); |
423fb9ae | 1211 | } else { // isLikeSign3Prong |
1992284a | 1212 | if(fLikeSign3prong){ |
1213 | rd = new(aodLikeSign3ProngRef[iLikeSign3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
1214 | rd->SetSecondaryVtx(v3Prong); | |
1215 | v3Prong->SetParent(rd); | |
1216 | AddRefs(v3Prong,rd,event,threeTrackArray); | |
1217 | } | |
423fb9ae | 1218 | } |
939850df | 1219 | // Set selection bit for PID |
c20e04a0 | 1220 | SetSelectionBitForPID(fCutsDplustoKpipi,rd,AliRDHFCuts::kDplusPID); |
1221 | SetSelectionBitForPID(fCutsDstoKKpi,rd,AliRDHFCuts::kDsPID); | |
1222 | SetSelectionBitForPID(fCutsLctopKpi,rd,AliRDHFCuts::kLcPID); | |
b056c5e3 | 1223 | } |
b6e66d86 | 1224 | if(io3Prong) {delete io3Prong; io3Prong=NULL;} |
1225 | if(secVert3PrAOD) {delete secVert3PrAOD; secVert3PrAOD=NULL;} | |
b056c5e3 | 1226 | } |
e0732246 | 1227 | threeTrackArray->Clear(); |
b056c5e3 | 1228 | negtrack2 = 0; |
1229 | delete vertexp1n2; | |
dc963de9 | 1230 | |
b056c5e3 | 1231 | } // end 2nd loop on negative tracks |
423fb9ae | 1232 | |
b056c5e3 | 1233 | twoTrackArray2->Clear(); |
1234 | ||
1235 | negtrack1 = 0; | |
1236 | delete vertexp1n1; | |
1237 | } // end 1st loop on negative tracks | |
1238 | ||
1239 | postrack1 = 0; | |
1240 | } // end 1st loop on positive tracks | |
1241 | ||
1242 | ||
2ff20727 | 1243 | AliDebug(1,Form(" Total HF vertices in event = %d;", |
1244 | (Int_t)aodVerticesHFTClArr->GetEntriesFast())); | |
b056c5e3 | 1245 | if(fD0toKpi) { |
dcb444c9 | 1246 | AliDebug(1,Form(" D0->Kpi in event = %d;", |
1247 | (Int_t)aodD0toKpiTClArr->GetEntriesFast())); | |
b056c5e3 | 1248 | } |
1249 | if(fJPSItoEle) { | |
dcb444c9 | 1250 | AliDebug(1,Form(" JPSI->ee in event = %d;", |
1251 | (Int_t)aodJPSItoEleTClArr->GetEntriesFast())); | |
b056c5e3 | 1252 | } |
1253 | if(f3Prong) { | |
dcb444c9 | 1254 | AliDebug(1,Form(" Charm->3Prong in event = %d;", |
1255 | (Int_t)aodCharm3ProngTClArr->GetEntriesFast())); | |
b056c5e3 | 1256 | } |
1257 | if(f4Prong) { | |
dcb444c9 | 1258 | AliDebug(1,Form(" Charm->4Prong in event = %d;\n", |
1259 | (Int_t)aodCharm4ProngTClArr->GetEntriesFast())); | |
b056c5e3 | 1260 | } |
2ff20727 | 1261 | if(fDstar) { |
1262 | AliDebug(1,Form(" D*->D0pi in event = %d;\n", | |
1263 | (Int_t)aodDstarTClArr->GetEntriesFast())); | |
1264 | } | |
a07ad8e0 | 1265 | if(fCascades){ |
1266 | AliDebug(1,Form(" cascades -> v0 + track in event = %d;\n", | |
1267 | (Int_t)aodCascadesTClArr->GetEntriesFast())); | |
1268 | } | |
dc963de9 | 1269 | if(fLikeSign) { |
423fb9ae | 1270 | AliDebug(1,Form(" Like-sign 2Prong in event = %d;\n", |
1271 | (Int_t)aodLikeSign2ProngTClArr->GetEntriesFast())); | |
1272 | } | |
1992284a | 1273 | if(fLikeSign3prong && f3Prong) { |
423fb9ae | 1274 | AliDebug(1,Form(" Like-sign 3Prong in event = %d;\n", |
1275 | (Int_t)aodLikeSign3ProngTClArr->GetEntriesFast())); | |
dc963de9 | 1276 | } |
b056c5e3 | 1277 | |
1278 | ||
dcb444c9 | 1279 | twoTrackArray1->Delete(); delete twoTrackArray1; |
1280 | twoTrackArray2->Delete(); delete twoTrackArray2; | |
2ff20727 | 1281 | twoTrackArrayCasc->Delete(); delete twoTrackArrayCasc; |
a07ad8e0 | 1282 | twoTrackArrayV0->Delete(); delete twoTrackArrayV0; |
b056c5e3 | 1283 | threeTrackArray->Clear(); |
1284 | threeTrackArray->Delete(); delete threeTrackArray; | |
dcb444c9 | 1285 | fourTrackArray->Delete(); delete fourTrackArray; |
2ff20727 | 1286 | delete [] seleFlags; seleFlags=NULL; |
a25935a9 | 1287 | if(evtNumber) {delete [] evtNumber; evtNumber=NULL;} |
1992284a | 1288 | tracksAtVertex.Delete(); |
b056c5e3 | 1289 | |
dcb444c9 | 1290 | if(fInputAOD) { |
b6e66d86 | 1291 | seleTrksArray.Delete(); |
a3b693b3 | 1292 | if(fAODMap) { delete [] fAODMap; fAODMap=NULL; } |
dcb444c9 | 1293 | } |
1992284a | 1294 | |
b056c5e3 | 1295 | |
5e938293 | 1296 | //printf("Trks: total %d sele %d\n",fnTrksTotal,fnSeleTrksTotal); |
1297 | ||
b056c5e3 | 1298 | return; |
1299 | } | |
1300 | //---------------------------------------------------------------------------- | |
a9b75906 | 1301 | void AliAnalysisVertexingHF::AddRefs(AliAODVertex *v,AliAODRecoDecayHF *rd, |
1302 | const AliVEvent *event, | |
1303 | const TObjArray *trkArray) const | |
1304 | { | |
1305 | // Add the AOD tracks as daughters of the vertex (TRef) | |
1306 | // Also add the references to the primary vertex and to the cuts | |
c7d3975b | 1307 | //AliCodeTimerAuto("",0); |
a9b75906 | 1308 | |
1309 | if(fInputAOD) { | |
1310 | AddDaughterRefs(v,event,trkArray); | |
1311 | rd->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex()); | |
1312 | } | |
1313 | ||
1314 | /* | |
1315 | rd->SetListOfCutsRef((TList*)fListOfCuts); | |
1316 | //fListOfCuts->Print(); | |
1317 | cout<<fListOfCuts<<endl; | |
1318 | TList *l=(TList*)rd->GetListOfCuts(); | |
1319 | cout<<l<<endl; | |
1320 | if(l) {l->Print(); }else{printf("error\n");} | |
1321 | */ | |
1322 | ||
1323 | return; | |
1324 | } | |
1325 | //---------------------------------------------------------------------------- | |
c4cdf105 | 1326 | void AliAnalysisVertexingHF::AddDaughterRefs(AliAODVertex *v, |
1327 | const AliVEvent *event, | |
1328 | const TObjArray *trkArray) const | |
6a213b59 | 1329 | { |
dcb444c9 | 1330 | // Add the AOD tracks as daughters of the vertex (TRef) |
c7d3975b | 1331 | //AliCodeTimerAuto("",0); |
6a213b59 | 1332 | |
6853a9ea | 1333 | Int_t nDg = v->GetNDaughters(); |
1334 | TObject *dg = 0; | |
1335 | if(nDg) dg = v->GetDaughter(0); | |
a07ad8e0 | 1336 | |
6853a9ea | 1337 | if(dg) return; // daughters already added |
a9b75906 | 1338 | |
dcb444c9 | 1339 | Int_t nTrks = trkArray->GetEntriesFast(); |
6a213b59 | 1340 | |
e18fbfa7 | 1341 | AliExternalTrackParam *track = 0; |
dcb444c9 | 1342 | AliAODTrack *aodTrack = 0; |
1343 | Int_t id; | |
6a213b59 | 1344 | |
dcb444c9 | 1345 | for(Int_t i=0; i<nTrks; i++) { |
e18fbfa7 | 1346 | track = (AliExternalTrackParam*)trkArray->UncheckedAt(i); |
1347 | id = (Int_t)track->GetID(); | |
2ff20727 | 1348 | //printf("---> %d\n",id); |
e18fbfa7 | 1349 | if(id<0) continue; // this track is a AliAODRecoDecay |
dcb444c9 | 1350 | aodTrack = (AliAODTrack*)event->GetTrack(fAODMap[id]); |
1351 | v->AddDaughter(aodTrack); | |
6a213b59 | 1352 | } |
6a213b59 | 1353 | |
1354 | return; | |
dcb444c9 | 1355 | } |
37fc73f1 | 1356 | //--------------------------------------------------------------------------- |
1357 | void AliAnalysisVertexingHF::FixReferences(AliAODEvent *aod) | |
1358 | { | |
1359 | // Checks that the references to the daughter tracks are properly | |
1360 | // assigned and reassigns them if needed | |
1361 | // | |
c7d3975b | 1362 | //AliCodeTimerAuto("",0); |
37fc73f1 | 1363 | |
1364 | ||
1365 | TClonesArray *inputArray=(TClonesArray*)aod->GetList()->FindObject("VerticesHF"); | |
1366 | if(!inputArray) return; | |
1367 | ||
1368 | AliAODTrack *track = 0; | |
1369 | AliAODVertex *vertex = 0; | |
1370 | ||
1371 | Bool_t needtofix=kFALSE; | |
1372 | for(Int_t iv=0; iv<inputArray->GetEntriesFast(); iv++) { | |
1373 | vertex = (AliAODVertex*)inputArray->UncheckedAt(iv); | |
1374 | for(Int_t id=0; id<vertex->GetNDaughters(); id++) { | |
1375 | track = (AliAODTrack*)vertex->GetDaughter(id); | |
1376 | if(!track->GetStatus()) needtofix=kTRUE; | |
1377 | } | |
1378 | if(needtofix) break; | |
1379 | } | |
1380 | ||
1381 | if(!needtofix) return; | |
1382 | ||
1383 | ||
1384 | printf("Fixing references\n"); | |
1385 | ||
1386 | fAODMapSize = 100000; | |
1387 | fAODMap = new Int_t[fAODMapSize]; | |
a3b693b3 | 1388 | memset(fAODMap,0,sizeof(Int_t)*fAODMapSize); |
37fc73f1 | 1389 | |
1390 | for(Int_t i=0; i<aod->GetNumberOfTracks(); i++) { | |
1391 | track = aod->GetTrack(i); | |
1392 | ||
1393 | // skip pure ITS SA tracks | |
1394 | if(track->GetStatus()&AliESDtrack::kITSpureSA) continue; | |
1395 | ||
1396 | // skip tracks without ITS | |
1397 | if(!(track->GetStatus()&AliESDtrack::kITSin)) continue; | |
1398 | ||
1399 | // TEMPORARY: check that the cov matrix is there | |
1400 | Double_t covtest[21]; | |
1401 | if(!track->GetCovarianceXYZPxPyPz(covtest)) continue; | |
1402 | // | |
1403 | ||
a3b693b3 | 1404 | Int_t ind = (Int_t)track->GetID(); |
1405 | if (ind>-1 && ind < fAODMapSize) fAODMap[ind] = i; | |
37fc73f1 | 1406 | } |
1407 | ||
1408 | ||
1409 | Int_t ids[4]={-1,-1,-1,-1}; | |
1410 | for(Int_t iv=0; iv<inputArray->GetEntriesFast(); iv++) { | |
1411 | Bool_t cascade=kFALSE; | |
1412 | vertex = (AliAODVertex*)inputArray->UncheckedAt(iv); | |
1413 | Int_t id=0; | |
1414 | Int_t nDgs = vertex->GetNDaughters(); | |
1415 | for(id=0; id<nDgs; id++) { | |
1416 | track = (AliAODTrack*)vertex->GetDaughter(id); | |
1417 | if(track->Charge()==0) {cascade=kTRUE; continue;} // cascade | |
1418 | ids[id]=(Int_t)track->GetID(); | |
1419 | vertex->RemoveDaughter(track); | |
1420 | } | |
1421 | if(cascade) continue; | |
1422 | for(id=0; id<nDgs; id++) { | |
a3b693b3 | 1423 | if (ids[id]>-1 && ids[id] < fAODMapSize) { |
1424 | track = aod->GetTrack(fAODMap[ids[id]]); | |
1425 | vertex->AddDaughter(track); | |
1426 | } | |
37fc73f1 | 1427 | } |
1428 | ||
1429 | } | |
1430 | ||
1431 | return; | |
1432 | } | |
6a213b59 | 1433 | //---------------------------------------------------------------------------- |
2ff20727 | 1434 | AliAODRecoCascadeHF* AliAnalysisVertexingHF::MakeCascade( |
1435 | TObjArray *twoTrackArray,AliVEvent *event, | |
1436 | AliAODVertex *secVert, | |
1437 | AliAODRecoDecayHF2Prong *rd2Prong, | |
1438 | Double_t dca, | |
c7d3975b | 1439 | Bool_t &okDstar) |
2ff20727 | 1440 | { |
1441 | // Make the cascade as a 2Prong decay and check if it passes Dstar | |
1442 | // reconstruction cuts | |
c7d3975b | 1443 | //AliCodeTimerAuto("",0); |
2ff20727 | 1444 | |
1445 | okDstar = kFALSE; | |
1446 | ||
1447 | Bool_t dummy1,dummy2,dummy3; | |
1448 | ||
1449 | // We use Make2Prong to construct the AliAODRecoCascadeHF | |
1450 | // (which inherits from AliAODRecoDecayHF2Prong) | |
1451 | AliAODRecoCascadeHF *theCascade = | |
1452 | (AliAODRecoCascadeHF*)Make2Prong(twoTrackArray,event,secVert,dca, | |
1453 | dummy1,dummy2,dummy3); | |
1454 | if(!theCascade) return 0x0; | |
1455 | ||
1456 | // charge | |
1457 | AliESDtrack *trackPi = (AliESDtrack*)twoTrackArray->UncheckedAt(0); | |
1458 | theCascade->SetCharge(trackPi->Charge()); | |
1459 | ||
1460 | //--- selection cuts | |
1461 | // | |
1462 | AliAODRecoCascadeHF *tmpCascade = new AliAODRecoCascadeHF(*theCascade); | |
8f85c649 | 1463 | if(fInputAOD){ |
1464 | Int_t idSoftPi=(Int_t)trackPi->GetID(); | |
a3b693b3 | 1465 | if (idSoftPi > -1 && idSoftPi < fAODMapSize) { |
1466 | AliAODTrack* trackPiAOD=(AliAODTrack*)event->GetTrack(fAODMap[idSoftPi]); | |
1467 | tmpCascade->GetSecondaryVtx()->AddDaughter(trackPiAOD); | |
1468 | } | |
8f85c649 | 1469 | }else{ |
1470 | tmpCascade->GetSecondaryVtx()->AddDaughter(trackPi); | |
1471 | } | |
dcfa35b3 | 1472 | tmpCascade->GetSecondaryVtx()->AddDaughter(rd2Prong); |
8f85c649 | 1473 | |
2ff20727 | 1474 | AliAODVertex *primVertexAOD=0; |
1475 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) { | |
1476 | // take event primary vertex | |
1477 | primVertexAOD = PrimaryVertex(); | |
1478 | tmpCascade->SetOwnPrimaryVtx(primVertexAOD); | |
1479 | rd2Prong->SetOwnPrimaryVtx(primVertexAOD); | |
1480 | } | |
1481 | // select D*->D0pi | |
1482 | if(fDstar) { | |
aa0fbb4a | 1483 | okDstar = (Bool_t)fCutsDStartoKpipi->IsSelected(tmpCascade,AliRDHFCuts::kCandidate); |
939850df | 1484 | if(okDstar) theCascade->SetSelectionBit(AliRDHFCuts::kDstarCuts); |
2ff20727 | 1485 | } |
dcfa35b3 | 1486 | tmpCascade->GetSecondaryVtx()->RemoveDaughters(); |
2ff20727 | 1487 | tmpCascade->UnsetOwnPrimaryVtx(); |
2ff20727 | 1488 | delete tmpCascade; tmpCascade=NULL; |
a25935a9 | 1489 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) { |
2ff20727 | 1490 | rd2Prong->UnsetOwnPrimaryVtx(); |
2ff20727 | 1491 | } |
b6e66d86 | 1492 | if(primVertexAOD) {delete primVertexAOD; primVertexAOD=NULL;} |
2ff20727 | 1493 | //--- |
939850df | 1494 | |
2ff20727 | 1495 | |
1496 | return theCascade; | |
1497 | } | |
a07ad8e0 | 1498 | |
1499 | ||
1500 | //---------------------------------------------------------------------------- | |
1501 | AliAODRecoCascadeHF* AliAnalysisVertexingHF::MakeCascade( | |
1502 | TObjArray *twoTrackArray,AliVEvent *event, | |
1503 | AliAODVertex *secVert, | |
1504 | AliAODv0 *v0, | |
1505 | Double_t dca, | |
c7d3975b | 1506 | Bool_t &okCascades) |
a07ad8e0 | 1507 | { |
1508 | // | |
1509 | // Make the cascade as a 2Prong decay and check if it passes | |
1510 | // cascades reconstruction cuts | |
c7d3975b | 1511 | //AliCodeTimerAuto("",0); |
a07ad8e0 | 1512 | |
1513 | // AliDebug(2,Form(" building the cascade")); | |
1514 | okCascades= kFALSE; | |
1515 | Bool_t dummy1,dummy2,dummy3; | |
1516 | ||
1517 | // We use Make2Prong to construct the AliAODRecoCascadeHF | |
1518 | // (which inherits from AliAODRecoDecayHF2Prong) | |
1519 | AliAODRecoCascadeHF *theCascade = | |
1520 | (AliAODRecoCascadeHF*)Make2Prong(twoTrackArray,event,secVert,dca, | |
1521 | dummy1,dummy2,dummy3); | |
1522 | if(!theCascade) return 0x0; | |
1523 | ||
1524 | // bachelor track and charge | |
1525 | AliESDtrack *trackBachelor = (AliESDtrack*)twoTrackArray->UncheckedAt(0); | |
1526 | theCascade->SetCharge(trackBachelor->Charge()); | |
1527 | ||
1528 | //--- selection cuts | |
1529 | // | |
8f85c649 | 1530 | |
a07ad8e0 | 1531 | AliAODRecoCascadeHF *tmpCascade = new AliAODRecoCascadeHF(*theCascade); |
8f85c649 | 1532 | if(fInputAOD){ |
1533 | Int_t idBachelor=(Int_t)trackBachelor->GetID(); | |
a3b693b3 | 1534 | if (idBachelor > -1 && idBachelor < fAODMapSize) { |
1535 | AliAODTrack* trackBachelorAOD=(AliAODTrack*)event->GetTrack(fAODMap[idBachelor]); | |
1536 | tmpCascade->GetSecondaryVtx()->AddDaughter(trackBachelorAOD); | |
1537 | } | |
8f85c649 | 1538 | }else{ |
1539 | tmpCascade->GetSecondaryVtx()->AddDaughter(trackBachelor); | |
1540 | } | |
a07ad8e0 | 1541 | tmpCascade->GetSecondaryVtx()->AddDaughter(v0); |
8f85c649 | 1542 | |
a07ad8e0 | 1543 | AliAODVertex *primVertexAOD=0; |
1544 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) { | |
1545 | // take event primary vertex | |
1546 | primVertexAOD = PrimaryVertex(); | |
1547 | if(!primVertexAOD) primVertexAOD = (AliAODVertex*)event->GetPrimaryVertex(); | |
1548 | tmpCascade->SetOwnPrimaryVtx(primVertexAOD); | |
1549 | } | |
8f85c649 | 1550 | |
a07ad8e0 | 1551 | // select Cascades |
a07ad8e0 | 1552 | if(fCascades && fInputAOD){ |
cb8088a2 | 1553 | okCascades = (Bool_t)fCutsLctoV0->IsSelected(tmpCascade,AliRDHFCuts::kCandidate); |
a07ad8e0 | 1554 | } |
6140dcdd | 1555 | else { |
1556 | //AliDebug(2,Form("The cascade is contructed from ESDs, no cuts are applied")); | |
1557 | okCascades=kTRUE; | |
1558 | }// no cuts implemented from ESDs | |
a07ad8e0 | 1559 | tmpCascade->GetSecondaryVtx()->RemoveDaughters(); |
1560 | tmpCascade->UnsetOwnPrimaryVtx(); | |
1561 | delete tmpCascade; tmpCascade=NULL; | |
1562 | if(primVertexAOD) {delete primVertexAOD; primVertexAOD=NULL;} | |
1563 | //--- | |
1564 | ||
1565 | return theCascade; | |
1566 | } | |
1567 | ||
2ff20727 | 1568 | //----------------------------------------------------------------------------- |
6a213b59 | 1569 | AliAODRecoDecayHF2Prong *AliAnalysisVertexingHF::Make2Prong( |
2ff20727 | 1570 | TObjArray *twoTrackArray,AliVEvent *event, |
dcb444c9 | 1571 | AliAODVertex *secVert,Double_t dca, |
2ff20727 | 1572 | Bool_t &okD0,Bool_t &okJPSI, |
c7d3975b | 1573 | Bool_t &okD0fromDstar) |
6a213b59 | 1574 | { |
1575 | // Make 2Prong candidates and check if they pass D0toKpi or BtoJPSI | |
1576 | // reconstruction cuts | |
1577 | // G.E.Bruno (J/psi), A.Dainese (D0->Kpi) | |
c7d3975b | 1578 | //AliCodeTimerAuto("",0); |
6a213b59 | 1579 | |
2ff20727 | 1580 | okD0=kFALSE; okJPSI=kFALSE; okD0fromDstar=kFALSE; |
6a213b59 | 1581 | |
1582 | Double_t px[2],py[2],pz[2],d0[2],d0err[2]; | |
2ff20727 | 1583 | AliESDtrack *postrack = (AliESDtrack*)twoTrackArray->UncheckedAt(0); |
1584 | AliESDtrack *negtrack = (AliESDtrack*)twoTrackArray->UncheckedAt(1); | |
6a213b59 | 1585 | |
1586 | // propagate tracks to secondary vertex, to compute inv. mass | |
dcb444c9 | 1587 | postrack->PropagateToDCA(secVert,fBzkG,kVeryBig); |
1588 | negtrack->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 1589 | |
1590 | Double_t momentum[3]; | |
1591 | postrack->GetPxPyPz(momentum); | |
1592 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
1593 | negtrack->GetPxPyPz(momentum); | |
1594 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
1595 | ||
1596 | ||
1597 | // invariant mass cut (try to improve coding here..) | |
1598 | Bool_t okMassCut=kFALSE; | |
c7d3975b | 1599 | if(!okMassCut && fD0toKpi) if(SelectInvMassAndPtD0Kpi(px,py,pz)) okMassCut=kTRUE; |
1600 | if(!okMassCut && fJPSItoEle) if(SelectInvMassAndPtJpsiee(px,py,pz)) okMassCut=kTRUE; | |
1601 | if(!okMassCut && fDstar) if(SelectInvMassAndPtDstarD0pi(px,py,pz)) okMassCut=kTRUE; | |
1602 | if(!okMassCut && fCascades) if(SelectInvMassAndPtCascade(px,py,pz)) okMassCut=kTRUE; | |
6a213b59 | 1603 | if(!okMassCut) { |
6140dcdd | 1604 | //AliDebug(2," candidate didn't pass mass cut"); |
6a213b59 | 1605 | return 0x0; |
1606 | } | |
dcb444c9 | 1607 | // primary vertex to be used by this candidate |
2ff20727 | 1608 | AliAODVertex *primVertexAOD = PrimaryVertex(twoTrackArray,event); |
dcb444c9 | 1609 | if(!primVertexAOD) return 0x0; |
6a213b59 | 1610 | |
a25935a9 | 1611 | |
dcb444c9 | 1612 | Double_t d0z0[2],covd0z0[3]; |
1613 | postrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
6a213b59 | 1614 | d0[0] = d0z0[0]; |
1615 | d0err[0] = TMath::Sqrt(covd0z0[0]); | |
dcb444c9 | 1616 | negtrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); |
6a213b59 | 1617 | d0[1] = d0z0[0]; |
1618 | d0err[1] = TMath::Sqrt(covd0z0[0]); | |
b6e66d86 | 1619 | |
6a213b59 | 1620 | // create the object AliAODRecoDecayHF2Prong |
dcb444c9 | 1621 | AliAODRecoDecayHF2Prong *the2Prong = new AliAODRecoDecayHF2Prong(secVert,px,py,pz,d0,d0err,dca); |
6a213b59 | 1622 | the2Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 1623 | UShort_t id[2]={(UShort_t)postrack->GetID(),(UShort_t)negtrack->GetID()}; |
1624 | the2Prong->SetProngIDs(2,id); | |
0a65d33f | 1625 | delete primVertexAOD; primVertexAOD=NULL; |
6a213b59 | 1626 | |
f3014dc3 | 1627 | |
1628 | if(postrack->Charge()!=0 && negtrack->Charge()!=0) { // don't apply these cuts if it's a Dstar | |
5e938293 | 1629 | |
1630 | // Add daughter references already here | |
1631 | if(fInputAOD) AddDaughterRefs(secVert,(AliAODEvent*)event,twoTrackArray); | |
1632 | ||
f3014dc3 | 1633 | // select D0->Kpi |
939850df | 1634 | if(fD0toKpi) { |
5e938293 | 1635 | okD0 = (Bool_t)fCutsD0toKpi->IsSelected(the2Prong,AliRDHFCuts::kCandidate,(AliAODEvent*)event); |
939850df | 1636 | if(okD0) the2Prong->SetSelectionBit(AliRDHFCuts::kD0toKpiCuts); |
1637 | } | |
f3014dc3 | 1638 | //if(fDebug && fD0toKpi) printf(" %d\n",(Int_t)okD0); |
1639 | // select J/psi from B | |
939850df | 1640 | if(fJPSItoEle) { |
1641 | okJPSI = (Bool_t)fCutsJpsitoee->IsSelected(the2Prong,AliRDHFCuts::kCandidate); | |
1642 | } | |
f3014dc3 | 1643 | //if(fDebug && fJPSItoEle) printf(" %d\n",(Int_t)okJPSI); |
1644 | // select D0->Kpi from Dstar | |
939850df | 1645 | if(fDstar) { |
1646 | okD0fromDstar = (Bool_t)fCutsDStartoKpipi->IsD0FromDStarSelected(the2Prong->Pt(),the2Prong,AliRDHFCuts::kCandidate); | |
1647 | if(okD0fromDstar) the2Prong->SetSelectionBit(AliRDHFCuts::kD0fromDstarCuts); | |
1648 | } | |
f3014dc3 | 1649 | //if(fDebug && fDstar) printf(" %d\n",(Int_t)okD0fromDstar); |
1650 | } | |
1651 | ||
6a213b59 | 1652 | |
2ff20727 | 1653 | // remove the primary vertex (was used only for selection) |
a25935a9 | 1654 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) { |
b6e66d86 | 1655 | the2Prong->UnsetOwnPrimaryVtx(); |
b6e66d86 | 1656 | } |
1657 | ||
2ff20727 | 1658 | // get PID info from ESD |
5770b08b | 1659 | Double_t esdpid0[5]={0.,0.,0.,0.,0.}; |
1660 | if(postrack->GetStatus()&AliESDtrack::kESDpid) postrack->GetESDpid(esdpid0); | |
1661 | Double_t esdpid1[5]={0.,0.,0.,0.,0.}; | |
1662 | if(negtrack->GetStatus()&AliESDtrack::kESDpid) negtrack->GetESDpid(esdpid1); | |
2ff20727 | 1663 | Double_t esdpid[10]; |
1664 | for(Int_t i=0;i<5;i++) { | |
1665 | esdpid[i] = esdpid0[i]; | |
1666 | esdpid[5+i] = esdpid1[i]; | |
6a213b59 | 1667 | } |
2ff20727 | 1668 | the2Prong->SetPID(2,esdpid); |
6a213b59 | 1669 | |
6a213b59 | 1670 | return the2Prong; |
1671 | } | |
1672 | //---------------------------------------------------------------------------- | |
1673 | AliAODRecoDecayHF3Prong* AliAnalysisVertexingHF::Make3Prong( | |
dcb444c9 | 1674 | TObjArray *threeTrackArray,AliVEvent *event, |
1675 | AliAODVertex *secVert,Double_t dispersion, | |
c4cdf105 | 1676 | const AliAODVertex *vertexp1n1,const AliAODVertex *vertexp2n1, |
6a213b59 | 1677 | Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2, |
c7d3975b | 1678 | Bool_t &ok3Prong) |
6a213b59 | 1679 | { |
1680 | // Make 3Prong candidates and check if they pass Dplus or Ds or Lambdac | |
1681 | // reconstruction cuts | |
1682 | // E.Bruna, F.Prino | |
1683 | ||
c7d3975b | 1684 | //AliCodeTimerAuto("",0); |
dcb444c9 | 1685 | |
6a213b59 | 1686 | ok3Prong=kFALSE; |
673ac607 | 1687 | if(!secVert || !vertexp1n1 || !vertexp2n1) return 0x0; |
dcb444c9 | 1688 | |
1689 | Double_t px[3],py[3],pz[3],d0[3],d0err[3]; | |
1690 | Double_t momentum[3]; | |
6a213b59 | 1691 | |
6a213b59 | 1692 | |
1693 | AliESDtrack *postrack1 = (AliESDtrack*)threeTrackArray->UncheckedAt(0); | |
dcb444c9 | 1694 | AliESDtrack *negtrack = (AliESDtrack*)threeTrackArray->UncheckedAt(1); |
6a213b59 | 1695 | AliESDtrack *postrack2 = (AliESDtrack*)threeTrackArray->UncheckedAt(2); |
1696 | ||
dcb444c9 | 1697 | postrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); |
1698 | negtrack->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
1699 | postrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 1700 | postrack1->GetPxPyPz(momentum); |
1701 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
1702 | negtrack->GetPxPyPz(momentum); | |
1703 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
1704 | postrack2->GetPxPyPz(momentum); | |
1705 | px[2] = momentum[0]; py[2] = momentum[1]; pz[2] = momentum[2]; | |
1706 | ||
b82f6d67 | 1707 | // invariant mass cut for D+, Ds, Lc |
6a213b59 | 1708 | Bool_t okMassCut=kFALSE; |
e0732246 | 1709 | if(fMassCutBeforeVertexing) okMassCut=kTRUE; // mass cut already done and passed |
c7d3975b | 1710 | if(!okMassCut && f3Prong) if(SelectInvMassAndPt3prong(px,py,pz)) okMassCut=kTRUE; |
6a213b59 | 1711 | if(!okMassCut) { |
6140dcdd | 1712 | //AliDebug(2," candidate didn't pass mass cut"); |
6a213b59 | 1713 | return 0x0; |
1714 | } | |
1715 | ||
dcb444c9 | 1716 | // primary vertex to be used by this candidate |
2ff20727 | 1717 | AliAODVertex *primVertexAOD = PrimaryVertex(threeTrackArray,event); |
dcb444c9 | 1718 | if(!primVertexAOD) return 0x0; |
1719 | ||
1720 | Double_t d0z0[2],covd0z0[3]; | |
1721 | postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1722 | d0[0]=d0z0[0]; | |
1723 | d0err[0] = TMath::Sqrt(covd0z0[0]); | |
1724 | negtrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1725 | d0[1]=d0z0[0]; | |
1726 | d0err[1] = TMath::Sqrt(covd0z0[0]); | |
1727 | postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1728 | d0[2]=d0z0[0]; | |
1729 | d0err[2] = TMath::Sqrt(covd0z0[0]); | |
6a213b59 | 1730 | |
6a213b59 | 1731 | |
1732 | // create the object AliAODRecoDecayHF3Prong | |
dcb444c9 | 1733 | Double_t pos[3]; primVertexAOD->GetXYZ(pos); |
6a213b59 | 1734 | Double_t dca[3]={dcap1n1,dcap2n1,dcap1p2}; |
dcb444c9 | 1735 | 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])); |
1736 | 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 | 1737 | Short_t charge=(Short_t)(postrack1->Charge()+postrack2->Charge()+negtrack->Charge()); |
dcb444c9 | 1738 | AliAODRecoDecayHF3Prong *the3Prong = new AliAODRecoDecayHF3Prong(secVert,px,py,pz,d0,d0err,dca,dispersion,dist12,dist23,charge); |
6a213b59 | 1739 | the3Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 1740 | UShort_t id[3]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack->GetID(),(UShort_t)postrack2->GetID()}; |
1741 | the3Prong->SetProngIDs(3,id); | |
6a213b59 | 1742 | |
0a65d33f | 1743 | delete primVertexAOD; primVertexAOD=NULL; |
6a213b59 | 1744 | |
5e938293 | 1745 | // Add daughter references already here |
1746 | if(fInputAOD) AddDaughterRefs(secVert,(AliAODEvent*)event,threeTrackArray); | |
1747 | ||
b82f6d67 | 1748 | // select D+->Kpipi, Ds->KKpi, Lc->pKpi |
1749 | if(f3Prong) { | |
1750 | ok3Prong = kFALSE; | |
a9b75906 | 1751 | |
c7d3975b | 1752 | if(fOKInvMassDplus && fCutsDplustoKpipi->IsSelected(the3Prong,AliRDHFCuts::kCandidate,(AliAODEvent*)event)) { |
939850df | 1753 | ok3Prong = kTRUE; |
1754 | the3Prong->SetSelectionBit(AliRDHFCuts::kDplusCuts); | |
1755 | } | |
c7d3975b | 1756 | if(fOKInvMassDs && fCutsDstoKKpi->IsSelected(the3Prong,AliRDHFCuts::kCandidate,(AliAODEvent*)event)) { |
939850df | 1757 | ok3Prong = kTRUE; |
1758 | the3Prong->SetSelectionBit(AliRDHFCuts::kDsCuts); | |
1759 | } | |
c7d3975b | 1760 | if(fOKInvMassLc && fCutsLctopKpi->IsSelected(the3Prong,AliRDHFCuts::kCandidate,(AliAODEvent*)event)) { |
939850df | 1761 | ok3Prong = kTRUE; |
1762 | the3Prong->SetSelectionBit(AliRDHFCuts::kLcCuts); | |
1763 | } | |
b82f6d67 | 1764 | } |
6a213b59 | 1765 | //if(fDebug) printf("ok3Prong: %d\n",(Int_t)ok3Prong); |
dcb444c9 | 1766 | |
a25935a9 | 1767 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) { |
b6e66d86 | 1768 | the3Prong->UnsetOwnPrimaryVtx(); |
b6e66d86 | 1769 | } |
dcb444c9 | 1770 | |
2ff20727 | 1771 | // get PID info from ESD |
5770b08b | 1772 | Double_t esdpid0[5]={0.,0.,0.,0.,0.}; |
1773 | if(postrack1->GetStatus()&AliESDtrack::kESDpid) postrack1->GetESDpid(esdpid0); | |
1774 | Double_t esdpid1[5]={0.,0.,0.,0.,0.}; | |
1775 | if(negtrack->GetStatus()&AliESDtrack::kESDpid) negtrack->GetESDpid(esdpid1); | |
1776 | Double_t esdpid2[5]={0.,0.,0.,0.,0.}; | |
1777 | if(postrack2->GetStatus()&AliESDtrack::kESDpid) postrack2->GetESDpid(esdpid2); | |
2ff20727 | 1778 | |
1779 | Double_t esdpid[15]; | |
1780 | for(Int_t i=0;i<5;i++) { | |
1781 | esdpid[i] = esdpid0[i]; | |
1782 | esdpid[5+i] = esdpid1[i]; | |
1783 | esdpid[10+i] = esdpid2[i]; | |
6a213b59 | 1784 | } |
2ff20727 | 1785 | the3Prong->SetPID(3,esdpid); |
6a213b59 | 1786 | |
6a213b59 | 1787 | return the3Prong; |
1788 | } | |
1789 | //---------------------------------------------------------------------------- | |
1790 | AliAODRecoDecayHF4Prong* AliAnalysisVertexingHF::Make4Prong( | |
dcb444c9 | 1791 | TObjArray *fourTrackArray,AliVEvent *event, |
721c0b8f | 1792 | AliAODVertex *secVert, |
c4cdf105 | 1793 | const AliAODVertex *vertexp1n1, |
1794 | const AliAODVertex *vertexp1n1p2, | |
721c0b8f | 1795 | Double_t dcap1n1,Double_t dcap1n2, |
1796 | Double_t dcap2n1,Double_t dcap2n2, | |
c7d3975b | 1797 | Bool_t &ok4Prong) |
6a213b59 | 1798 | { |
1799 | // Make 4Prong candidates and check if they pass D0toKpipipi | |
1800 | // reconstruction cuts | |
1801 | // G.E.Bruno, R.Romita | |
c7d3975b | 1802 | //AliCodeTimerAuto("",0); |
6a213b59 | 1803 | |
1804 | ok4Prong=kFALSE; | |
673ac607 | 1805 | if(!secVert || !vertexp1n1 || !vertexp1n1p2) return 0x0; |
6a213b59 | 1806 | |
1807 | Double_t px[4],py[4],pz[4],d0[4],d0err[4];//d0z[3]; | |
6a213b59 | 1808 | |
6a213b59 | 1809 | AliESDtrack *postrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(0); |
1810 | AliESDtrack *negtrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(1); | |
1811 | AliESDtrack *postrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(2); | |
1812 | AliESDtrack *negtrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(3); | |
1813 | ||
dcb444c9 | 1814 | postrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); |
1815 | negtrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
1816 | postrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
1817 | negtrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 1818 | |
1819 | Double_t momentum[3]; | |
1820 | postrack1->GetPxPyPz(momentum); | |
1821 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
1822 | negtrack1->GetPxPyPz(momentum); | |
1823 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
1824 | postrack2->GetPxPyPz(momentum); | |
1825 | px[2] = momentum[0]; py[2] = momentum[1]; pz[2] = momentum[2]; | |
1826 | negtrack2->GetPxPyPz(momentum); | |
1827 | px[3] = momentum[0]; py[3] = momentum[1]; pz[3] = momentum[2]; | |
1828 | ||
1829 | // invariant mass cut for rho or D0 (try to improve coding here..) | |
0a65d33f | 1830 | Bool_t okMassCut=kFALSE; |
e0732246 | 1831 | if(fMassCutBeforeVertexing) okMassCut=kTRUE; // mass cut already done and passed |
cb8088a2 | 1832 | if(!okMassCut && !(fCutsD0toKpipipi->GetUsePID())) { //no PID, to be implemented with PID |
c7d3975b | 1833 | if(SelectInvMassAndPt4prong(px,py,pz)) okMassCut=kTRUE; |
0a65d33f | 1834 | } |
1835 | if(!okMassCut) { | |
1836 | //if(fDebug) printf(" candidate didn't pass mass cut\n"); | |
1837 | //printf(" candidate didn't pass mass cut\n"); | |
1838 | return 0x0; | |
1839 | } | |
6a213b59 | 1840 | |
dcb444c9 | 1841 | // primary vertex to be used by this candidate |
2ff20727 | 1842 | AliAODVertex *primVertexAOD = PrimaryVertex(fourTrackArray,event); |
dcb444c9 | 1843 | if(!primVertexAOD) return 0x0; |
1844 | ||
721c0b8f | 1845 | Double_t d0z0[2],covd0z0[3]; |
1846 | postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1847 | d0[0]=d0z0[0]; | |
1848 | d0err[0] = TMath::Sqrt(covd0z0[0]); | |
1849 | negtrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1850 | d0[1]=d0z0[0]; | |
1851 | d0err[1] = TMath::Sqrt(covd0z0[0]); | |
1852 | postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1853 | d0[2]=d0z0[0]; | |
1854 | d0err[2] = TMath::Sqrt(covd0z0[0]); | |
1855 | negtrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1856 | d0[3]=d0z0[0]; | |
1857 | d0err[3] = TMath::Sqrt(covd0z0[0]); | |
1858 | ||
6a213b59 | 1859 | |
1860 | // create the object AliAODRecoDecayHF4Prong | |
dcb444c9 | 1861 | Double_t pos[3]; primVertexAOD->GetXYZ(pos); |
721c0b8f | 1862 | Double_t dca[6]={dcap1n1,0.,dcap1n2,dcap2n1,0.,dcap2n2}; |
dcb444c9 | 1863 | 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 | 1864 | 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])); |
1865 | 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 | 1866 | Short_t charge=0; |
721c0b8f | 1867 | AliAODRecoDecayHF4Prong *the4Prong = new AliAODRecoDecayHF4Prong(secVert,px,py,pz,d0,d0err,dca,dist12,dist3,dist4,charge); |
6a213b59 | 1868 | the4Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 1869 | UShort_t id[4]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack1->GetID(),(UShort_t)postrack2->GetID(),(UShort_t)negtrack2->GetID()}; |
1870 | the4Prong->SetProngIDs(4,id); | |
6a213b59 | 1871 | |
0a65d33f | 1872 | delete primVertexAOD; primVertexAOD=NULL; |
6a213b59 | 1873 | |
a9b75906 | 1874 | ok4Prong=(Bool_t)fCutsD0toKpipipi->IsSelected(the4Prong,AliRDHFCuts::kCandidate); |
e3d40058 | 1875 | |
6a213b59 | 1876 | |
a25935a9 | 1877 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) { |
b6e66d86 | 1878 | the4Prong->UnsetOwnPrimaryVtx(); |
b6e66d86 | 1879 | } |
6a213b59 | 1880 | |
721c0b8f | 1881 | |
6a213b59 | 1882 | // get PID info from ESD |
721c0b8f | 1883 | Double_t esdpid0[5]={0.,0.,0.,0.,0.}; |
1884 | if(postrack1->GetStatus()&AliESDtrack::kESDpid) postrack1->GetESDpid(esdpid0); | |
1885 | Double_t esdpid1[5]={0.,0.,0.,0.,0.}; | |
1886 | if(negtrack1->GetStatus()&AliESDtrack::kESDpid) negtrack1->GetESDpid(esdpid1); | |
1887 | Double_t esdpid2[5]={0.,0.,0.,0.,0.}; | |
1888 | if(postrack2->GetStatus()&AliESDtrack::kESDpid) postrack2->GetESDpid(esdpid2); | |
1889 | Double_t esdpid3[5]={0.,0.,0.,0.,0.}; | |
1890 | if(negtrack2->GetStatus()&AliESDtrack::kESDpid) negtrack2->GetESDpid(esdpid3); | |
6a213b59 | 1891 | |
1892 | Double_t esdpid[20]; | |
1893 | for(Int_t i=0;i<5;i++) { | |
2ff20727 | 1894 | esdpid[i] = esdpid0[i]; |
1895 | esdpid[5+i] = esdpid1[i]; | |
6a213b59 | 1896 | esdpid[10+i] = esdpid2[i]; |
1897 | esdpid[15+i] = esdpid3[i]; | |
1898 | } | |
1899 | the4Prong->SetPID(4,esdpid); | |
721c0b8f | 1900 | |
6a213b59 | 1901 | return the4Prong; |
1902 | } | |
1903 | //----------------------------------------------------------------------------- | |
c4cdf105 | 1904 | AliAODVertex* AliAnalysisVertexingHF::PrimaryVertex(const TObjArray *trkArray, |
2ff20727 | 1905 | AliVEvent *event) const |
6a213b59 | 1906 | { |
2ff20727 | 1907 | // Returns primary vertex to be used for this candidate |
c7d3975b | 1908 | //AliCodeTimerAuto("",0); |
1909 | ||
dcb444c9 | 1910 | AliESDVertex *vertexESD = 0; |
1911 | AliAODVertex *vertexAOD = 0; | |
1912 | ||
dcb444c9 | 1913 | |
1914 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) { | |
1915 | // primary vertex from the input event | |
1916 | ||
1917 | vertexESD = new AliESDVertex(*fV1); | |
1918 | ||
1919 | } else { | |
1920 | // primary vertex specific to this candidate | |
1921 | ||
2ff20727 | 1922 | Int_t nTrks = trkArray->GetEntriesFast(); |
dcb444c9 | 1923 | AliVertexerTracks *vertexer = new AliVertexerTracks(event->GetMagneticField()); |
1924 | ||
1925 | if(fRecoPrimVtxSkippingTrks) { | |
1926 | // recalculating the vertex | |
1927 | ||
1928 | if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraint")) { | |
1929 | Float_t diamondcovxy[3]; | |
1930 | event->GetDiamondCovXY(diamondcovxy); | |
1931 | Double_t pos[3]={event->GetDiamondX(),event->GetDiamondY(),0.}; | |
8bb09289 | 1932 | Double_t cov[6]={diamondcovxy[0],diamondcovxy[1],diamondcovxy[2],0.,0.,10.*10.}; |
dcb444c9 | 1933 | AliESDVertex *diamond = new AliESDVertex(pos,cov,1.,1); |
1934 | vertexer->SetVtxStart(diamond); | |
1935 | delete diamond; diamond=NULL; | |
1936 | if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraintOnlyFitter")) | |
1937 | vertexer->SetOnlyFitter(); | |
1938 | } | |
0a65d33f | 1939 | Int_t skipped[1000]; |
e18fbfa7 | 1940 | Int_t nTrksToSkip=0,id; |
1941 | AliExternalTrackParam *t = 0; | |
dcb444c9 | 1942 | for(Int_t i=0; i<nTrks; i++) { |
e18fbfa7 | 1943 | t = (AliExternalTrackParam*)trkArray->UncheckedAt(i); |
1944 | id = (Int_t)t->GetID(); | |
1945 | if(id<0) continue; | |
1946 | skipped[nTrksToSkip++] = id; | |
dcb444c9 | 1947 | } |
0a65d33f | 1948 | // TEMPORARY FIX |
1949 | // For AOD, skip also tracks without covariance matrix | |
1950 | if(fInputAOD) { | |
1951 | Double_t covtest[21]; | |
1952 | for(Int_t j=0; j<event->GetNumberOfTracks(); j++) { | |
1953 | AliVTrack *vtrack = (AliVTrack*)event->GetTrack(j); | |
1954 | if(!vtrack->GetCovarianceXYZPxPyPz(covtest)) { | |
3ecb887f | 1955 | id = (Int_t)vtrack->GetID(); |
0a65d33f | 1956 | if(id<0) continue; |
1957 | skipped[nTrksToSkip++] = id; | |
1958 | } | |
1959 | } | |
1960 | } | |
1d79a72c | 1961 | for(Int_t ijk=nTrksToSkip; ijk<1000; ijk++) skipped[ijk]=-1; |
0a65d33f | 1962 | // |
e18fbfa7 | 1963 | vertexer->SetSkipTracks(nTrksToSkip,skipped); |
dcb444c9 | 1964 | vertexESD = (AliESDVertex*)vertexer->FindPrimaryVertex(event); |
1965 | ||
16d0e822 | 1966 | } else if(fRmTrksFromPrimVtx && nTrks>0) { |
dcb444c9 | 1967 | // removing the prongs tracks |
1968 | ||
1969 | TObjArray rmArray(nTrks); | |
1970 | UShort_t *rmId = new UShort_t[nTrks]; | |
1971 | AliESDtrack *esdTrack = 0; | |
1972 | AliESDtrack *t = 0; | |
1973 | for(Int_t i=0; i<nTrks; i++) { | |
1974 | t = (AliESDtrack*)trkArray->UncheckedAt(i); | |
1975 | esdTrack = new AliESDtrack(*t); | |
1976 | rmArray.AddLast(esdTrack); | |
2ff20727 | 1977 | if(esdTrack->GetID()>=0) { |
1978 | rmId[i]=(UShort_t)esdTrack->GetID(); | |
1979 | } else { | |
1980 | rmId[i]=9999; | |
1981 | } | |
dcb444c9 | 1982 | } |
1983 | Float_t diamondxy[2]={event->GetDiamondX(),event->GetDiamondY()}; | |
1984 | vertexESD = vertexer->RemoveTracksFromVertex(fV1,&rmArray,rmId,diamondxy); | |
1985 | delete [] rmId; rmId=NULL; | |
1986 | rmArray.Delete(); | |
1987 | ||
6a213b59 | 1988 | } |
6a213b59 | 1989 | |
dcb444c9 | 1990 | if(!vertexESD) return vertexAOD; |
1991 | if(vertexESD->GetNContributors()<=0) { | |
6140dcdd | 1992 | //AliDebug(2,"vertexing failed"); |
dcb444c9 | 1993 | delete vertexESD; vertexESD=NULL; |
1994 | return vertexAOD; | |
6a213b59 | 1995 | } |
dcb444c9 | 1996 | |
1997 | delete vertexer; vertexer=NULL; | |
1998 | ||
6a213b59 | 1999 | } |
2000 | ||
dcb444c9 | 2001 | // convert to AliAODVertex |
2002 | Double_t pos[3],cov[6],chi2perNDF; | |
2003 | vertexESD->GetXYZ(pos); // position | |
2004 | vertexESD->GetCovMatrix(cov); //covariance matrix | |
2005 | chi2perNDF = vertexESD->GetChi2toNDF(); | |
2006 | delete vertexESD; vertexESD=NULL; | |
2007 | ||
2008 | vertexAOD = new AliAODVertex(pos,cov,chi2perNDF); | |
6a213b59 | 2009 | |
dcb444c9 | 2010 | return vertexAOD; |
6a213b59 | 2011 | } |
2012 | //----------------------------------------------------------------------------- | |
2013 | void AliAnalysisVertexingHF::PrintStatus() const { | |
2014 | // Print parameters being used | |
2015 | ||
f8fa4595 | 2016 | //printf("Preselections:\n"); |
2017 | // fTrackFilter->Dump(); | |
4d5c9633 | 2018 | if(fSecVtxWithKF) { |
2019 | printf("Secondary vertex with Kalman filter package (AliKFParticle)\n"); | |
2020 | } else { | |
2021 | printf("Secondary vertex with AliVertexerTracks\n"); | |
2022 | } | |
6a213b59 | 2023 | if(fRecoPrimVtxSkippingTrks) printf("RecoPrimVtxSkippingTrks\n"); |
2024 | if(fRmTrksFromPrimVtx) printf("RmTrksFromPrimVtx\n"); | |
2025 | if(fD0toKpi) { | |
2026 | printf("Reconstruct D0->Kpi candidates with cuts:\n"); | |
e3d40058 | 2027 | if(fCutsD0toKpi) fCutsD0toKpi->PrintAll(); |
6a213b59 | 2028 | } |
2ff20727 | 2029 | if(fDstar) { |
da6fefc3 | 2030 | printf("Reconstruct D*->D0pi candidates with cuts:\n"); |
eee95e18 | 2031 | if(fFindVertexForDstar) { |
2032 | printf(" Reconstruct a secondary vertex for the D*\n"); | |
2033 | } else { | |
2034 | printf(" Assume the D* comes from the primary vertex\n"); | |
2035 | } | |
aa0fbb4a | 2036 | if(fCutsDStartoKpipi) fCutsDStartoKpipi->PrintAll(); |
2ff20727 | 2037 | } |
6a213b59 | 2038 | if(fJPSItoEle) { |
2039 | printf("Reconstruct J/psi from B candidates with cuts:\n"); | |
e3d40058 | 2040 | if(fCutsJpsitoee) fCutsJpsitoee->PrintAll(); |
6a213b59 | 2041 | } |
2042 | if(f3Prong) { | |
2043 | printf("Reconstruct 3 prong candidates.\n"); | |
4d5c9633 | 2044 | printf(" D+->Kpipi cuts:\n"); |
e3d40058 | 2045 | if(fCutsDplustoKpipi) fCutsDplustoKpipi->PrintAll(); |
4d5c9633 | 2046 | printf(" Ds->KKpi cuts:\n"); |
e3d40058 | 2047 | if(fCutsDstoKKpi) fCutsDstoKKpi->PrintAll(); |
6ea608bf | 2048 | printf(" Lc->pKpi cuts:\n"); |
e3d40058 | 2049 | if(fCutsLctopKpi) fCutsLctopKpi->PrintAll(); |
6a213b59 | 2050 | } |
e3d40058 | 2051 | if(f4Prong) { |
2052 | printf("Reconstruct 4 prong candidates.\n"); | |
2053 | printf(" D0->Kpipipi cuts:\n"); | |
2054 | if(fCutsD0toKpipipi) fCutsD0toKpipipi->PrintAll(); | |
2055 | } | |
a07ad8e0 | 2056 | if(fCascades) { |
2057 | printf("Reconstruct cascades candidates formed with v0s.\n"); | |
2058 | printf(" Lc -> k0s P & Lc -> L Pi cuts:\n"); | |
2059 | if(fCutsLctoV0) fCutsLctoV0->PrintAll(); | |
2060 | } | |
6a213b59 | 2061 | |
2062 | return; | |
2063 | } | |
2064 | //----------------------------------------------------------------------------- | |
dcb444c9 | 2065 | AliAODVertex* AliAnalysisVertexingHF::ReconstructSecondaryVertex(TObjArray *trkArray, |
dcfa35b3 | 2066 | Double_t &dispersion,Bool_t useTRefArray) const |
dcb444c9 | 2067 | { |
2068 | // Secondary vertex reconstruction with AliVertexerTracks or AliKFParticle | |
c7d3975b | 2069 | //AliCodeTimerAuto("",0); |
dcb444c9 | 2070 | |
2071 | AliESDVertex *vertexESD = 0; | |
2072 | AliAODVertex *vertexAOD = 0; | |
2073 | ||
2074 | if(!fSecVtxWithKF) { // AliVertexerTracks | |
2075 | ||
c7d3975b | 2076 | fVertexerTracks->SetVtxStart(fV1); |
2077 | vertexESD = (AliESDVertex*)fVertexerTracks->VertexForSelectedESDTracks(trkArray); | |
dcb444c9 | 2078 | |
2079 | if(!vertexESD) return vertexAOD; | |
2080 | ||
2081 | if(vertexESD->GetNContributors()!=trkArray->GetEntriesFast()) { | |
6140dcdd | 2082 | //AliDebug(2,"vertexing failed"); |
dcb444c9 | 2083 | delete vertexESD; vertexESD=NULL; |
2084 | return vertexAOD; | |
2085 | } | |
7d58983c | 2086 | |
2087 | Double_t vertRadius2=vertexESD->GetXv()*vertexESD->GetXv()+vertexESD->GetYv()*vertexESD->GetYv(); | |
2088 | if(vertRadius2>8.){ | |
2089 | // vertex outside beam pipe, reject candidate to avoid propagation through material | |
2090 | delete vertexESD; vertexESD=NULL; | |
2091 | return vertexAOD; | |
2092 | } | |
dcb444c9 | 2093 | |
2094 | } else { // Kalman Filter vertexer (AliKFParticle) | |
2095 | ||
2096 | AliKFParticle::SetField(fBzkG); | |
2097 | ||
a353d2e4 | 2098 | AliKFVertex vertexKF; |
dcb444c9 | 2099 | |
2100 | Int_t nTrks = trkArray->GetEntriesFast(); | |
2101 | for(Int_t i=0; i<nTrks; i++) { | |
2102 | AliESDtrack *esdTrack = (AliESDtrack*)trkArray->At(i); | |
2103 | AliKFParticle daughterKF(*esdTrack,211); | |
2104 | vertexKF.AddDaughter(daughterKF); | |
2105 | } | |
a353d2e4 | 2106 | vertexESD = new AliESDVertex(vertexKF.Parameters(), |
2107 | vertexKF.CovarianceMatrix(), | |
2108 | vertexKF.GetChi2(), | |
2109 | vertexKF.GetNContributors()); | |
dcb444c9 | 2110 | |
2111 | } | |
2112 | ||
2113 | // convert to AliAODVertex | |
2114 | Double_t pos[3],cov[6],chi2perNDF; | |
2115 | vertexESD->GetXYZ(pos); // position | |
2116 | vertexESD->GetCovMatrix(cov); //covariance matrix | |
2117 | chi2perNDF = vertexESD->GetChi2toNDF(); | |
2118 | dispersion = vertexESD->GetDispersion(); | |
2119 | delete vertexESD; vertexESD=NULL; | |
2120 | ||
dcfa35b3 | 2121 | Int_t nprongs= (useTRefArray ? 0 : trkArray->GetEntriesFast()); |
2122 | vertexAOD = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,nprongs); | |
dcb444c9 | 2123 | |
2124 | return vertexAOD; | |
2125 | } | |
2126 | //----------------------------------------------------------------------------- | |
c7d3975b | 2127 | Bool_t AliAnalysisVertexingHF::SelectInvMassAndPt3prong(TObjArray *trkArray){ |
e0732246 | 2128 | // Invariant mass cut on tracks |
c7d3975b | 2129 | //AliCodeTimerAuto("",0); |
e0732246 | 2130 | |
e0732246 | 2131 | Int_t retval=kFALSE; |
c7d3975b | 2132 | Double_t momentum[3]; |
2133 | Double_t px[3],py[3],pz[3]; | |
2134 | for(Int_t iTrack=0; iTrack<3; iTrack++){ | |
2135 | AliESDtrack *track = (AliESDtrack*)trkArray->UncheckedAt(iTrack); | |
2136 | track->GetPxPyPz(momentum); | |
2137 | px[iTrack] = momentum[0]; py[iTrack] = momentum[1]; pz[iTrack] = momentum[2]; | |
2138 | } | |
2139 | retval = SelectInvMassAndPt3prong(px,py,pz); | |
2140 | ||
2141 | return retval; | |
2142 | } | |
2143 | ||
2144 | //----------------------------------------------------------------------------- | |
2145 | Bool_t AliAnalysisVertexingHF::SelectInvMassAndPt4prong(TObjArray *trkArray){ | |
2146 | // Invariant mass cut on tracks | |
2147 | //AliCodeTimerAuto("",0); | |
e0732246 | 2148 | |
c7d3975b | 2149 | Int_t retval=kFALSE; |
e0732246 | 2150 | Double_t momentum[3]; |
c7d3975b | 2151 | Double_t px[4],py[4],pz[4]; |
2152 | ||
2153 | for(Int_t iTrack=0; iTrack<4; iTrack++){ | |
2154 | AliESDtrack *track = (AliESDtrack*)trkArray->UncheckedAt(iTrack); | |
2155 | track->GetPxPyPz(momentum); | |
2156 | px[iTrack] = momentum[0]; py[iTrack] = momentum[1]; pz[iTrack] = momentum[2]; | |
e0732246 | 2157 | } |
2158 | ||
c7d3975b | 2159 | retval = SelectInvMassAndPt4prong(px,py,pz); |
2160 | ||
e0732246 | 2161 | return retval; |
2162 | } | |
2163 | //----------------------------------------------------------------------------- | |
c7d3975b | 2164 | Bool_t AliAnalysisVertexingHF::SelectInvMassAndPtDstarD0pi(TObjArray *trkArray){ |
2165 | // Invariant mass cut on tracks | |
2166 | //AliCodeTimerAuto("",0); | |
2167 | ||
2168 | Int_t retval=kFALSE; | |
2169 | Double_t momentum[3]; | |
2170 | Double_t px[2],py[2],pz[2]; | |
2171 | ||
2172 | for(Int_t iTrack=0; iTrack<2; iTrack++){ | |
2173 | AliESDtrack *track = (AliESDtrack*)trkArray->UncheckedAt(iTrack); | |
2174 | track->GetPxPyPz(momentum); | |
2175 | px[iTrack] = momentum[0]; py[iTrack] = momentum[1]; pz[iTrack] = momentum[2]; | |
2176 | } | |
2177 | retval = SelectInvMassAndPtDstarD0pi(px,py,pz); | |
2178 | ||
2179 | return retval; | |
2180 | } | |
2181 | //----------------------------------------------------------------------------- | |
2182 | Bool_t AliAnalysisVertexingHF::SelectInvMassAndPtD0Kpi(Double_t *px, | |
2183 | Double_t *py, | |
2184 | Double_t *pz){ | |
6965b459 | 2185 | // Check invariant mass cut and pt candidate cut |
c7d3975b | 2186 | //AliCodeTimerAuto("",0); |
6a213b59 | 2187 | |
c7d3975b | 2188 | UInt_t pdg2[2]; |
2189 | Int_t nprongs=2; | |
2190 | Double_t minv2,mrange; | |
2191 | Double_t lolim,hilim; | |
6965b459 | 2192 | Double_t minPt=0; |
c7d3975b | 2193 | Bool_t retval=kFALSE; |
2194 | ||
2195 | fMassCalc2->SetPxPyPzProngs(nprongs,px,py,pz); | |
2196 | fOKInvMassD0=kFALSE; | |
2197 | // pt cut | |
2198 | minPt=fCutsD0toKpi->GetMinPtCandidate(); | |
2199 | if(minPt>0.1) | |
2200 | if(fMassCalc2->Pt2() < minPt*minPt) return retval; | |
2201 | // mass cut | |
2202 | mrange=fCutsD0toKpi->GetMassCut(); | |
2203 | lolim=fMassDzero-mrange; | |
2204 | hilim=fMassDzero+mrange; | |
2205 | pdg2[0]=211; pdg2[1]=321; | |
2206 | minv2 = fMassCalc2->InvMass2(nprongs,pdg2); | |
2207 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2208 | retval=kTRUE; | |
2209 | fOKInvMassD0=kTRUE; | |
2210 | } | |
2211 | pdg2[0]=321; pdg2[1]=211; | |
2212 | minv2 = fMassCalc2->InvMass2(nprongs,pdg2); | |
2213 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2214 | retval=kTRUE; | |
2215 | fOKInvMassD0=kTRUE; | |
2216 | } | |
2217 | return retval; | |
2218 | } | |
2219 | ||
2220 | //----------------------------------------------------------------------------- | |
2221 | Bool_t AliAnalysisVertexingHF::SelectInvMassAndPtJpsiee(Double_t *px, | |
2222 | Double_t *py, | |
2223 | Double_t *pz){ | |
2224 | // Check invariant mass cut and pt candidate cut | |
2225 | //AliCodeTimerAuto("",0); | |
6a213b59 | 2226 | |
c7d3975b | 2227 | UInt_t pdg2[2]; |
2228 | Int_t nprongs=2; | |
2229 | Double_t minv2,mrange; | |
2230 | Double_t lolim,hilim; | |
2231 | Double_t minPt=0; | |
6a213b59 | 2232 | Bool_t retval=kFALSE; |
c7d3975b | 2233 | |
2234 | fMassCalc2->SetPxPyPzProngs(nprongs,px,py,pz); | |
2235 | fOKInvMassJpsi=kFALSE; | |
2236 | // pt cut | |
2237 | minPt=fCutsJpsitoee->GetMinPtCandidate(); | |
2238 | if(minPt>0.1) | |
2239 | if(fMassCalc2->Pt2() < minPt*minPt) return retval; | |
2240 | // mass cut | |
2241 | mrange=fCutsJpsitoee->GetMassCut(); | |
2242 | lolim=fMassJpsi-mrange; | |
2243 | hilim=fMassJpsi+mrange; | |
2244 | ||
2245 | pdg2[0]=11; pdg2[1]=11; | |
2246 | minv2 = fMassCalc2->InvMass2(nprongs,pdg2); | |
2247 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2248 | retval=kTRUE; | |
2249 | fOKInvMassJpsi=kTRUE; | |
2250 | } | |
2251 | ||
2252 | return retval; | |
2253 | } | |
2254 | //----------------------------------------------------------------------------- | |
2255 | Bool_t AliAnalysisVertexingHF::SelectInvMassAndPt3prong(Double_t *px, | |
2256 | Double_t *py, | |
2257 | Double_t *pz){ | |
2258 | // Check invariant mass cut and pt candidate cut | |
2259 | //AliCodeTimerAuto("",0); | |
2260 | ||
2261 | UInt_t pdg3[3]; | |
2262 | Int_t nprongs=3; | |
2263 | Double_t minv2,mrange; | |
2264 | Double_t lolim,hilim; | |
2265 | Double_t minPt=0; | |
2266 | Bool_t retval=kFALSE; | |
2267 | ||
2268 | ||
2269 | fMassCalc3->SetPxPyPzProngs(nprongs,px,py,pz); | |
2270 | fOKInvMassDplus=kFALSE; | |
2271 | fOKInvMassDs=kFALSE; | |
2272 | fOKInvMassLc=kFALSE; | |
2273 | // pt cut | |
2274 | minPt=TMath::Min(fCutsDplustoKpipi->GetMinPtCandidate(),fCutsDstoKKpi->GetMinPtCandidate()); | |
2275 | minPt=TMath::Min(minPt,fCutsLctopKpi->GetMinPtCandidate()); | |
2276 | if(minPt>0.1) | |
2277 | if(fMassCalc3->Pt2() < minPt*minPt) return retval; | |
2278 | // D+->Kpipi | |
2279 | mrange=fCutsDplustoKpipi->GetMassCut(); | |
2280 | lolim=fMassDplus-mrange; | |
2281 | hilim=fMassDplus+mrange; | |
2282 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=211; | |
2283 | minv2 = fMassCalc3->InvMass2(nprongs,pdg3); | |
2284 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2285 | retval=kTRUE; | |
2286 | fOKInvMassDplus=kTRUE; | |
2287 | } | |
2288 | // Ds+->KKpi | |
2289 | mrange=fCutsDstoKKpi->GetMassCut(); | |
2290 | lolim=fMassDs-mrange; | |
2291 | hilim=fMassDs+mrange; | |
2292 | pdg3[0]=321; pdg3[1]=321; pdg3[2]=211; | |
2293 | minv2 = fMassCalc3->InvMass2(nprongs,pdg3); | |
2294 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2295 | retval=kTRUE; | |
2296 | fOKInvMassDs=kTRUE; | |
2297 | } | |
2298 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=321; | |
2299 | minv2 = fMassCalc3->InvMass2(nprongs,pdg3); | |
2300 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2301 | retval=kTRUE; | |
2302 | fOKInvMassDs=kTRUE; | |
2303 | } | |
2304 | // Lc->pKpi | |
2305 | mrange=fCutsLctopKpi->GetMassCut(); | |
2306 | lolim=fMassLambdaC-mrange; | |
2307 | hilim=fMassLambdaC+mrange; | |
2308 | pdg3[0]=2212; pdg3[1]=321; pdg3[2]=211; | |
2309 | minv2 = fMassCalc3->InvMass2(nprongs,pdg3); | |
2310 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2311 | retval=kTRUE; | |
2312 | fOKInvMassLc=kTRUE; | |
2313 | } | |
2314 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=2212; | |
2315 | minv2 = fMassCalc3->InvMass2(nprongs,pdg3); | |
2316 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2317 | retval=kTRUE; | |
2318 | fOKInvMassLc=kTRUE; | |
2319 | } | |
2320 | ||
2321 | return retval; | |
2322 | } | |
2323 | ||
2324 | //----------------------------------------------------------------------------- | |
2325 | Bool_t AliAnalysisVertexingHF::SelectInvMassAndPtDstarD0pi(Double_t *px, | |
2326 | Double_t *py, | |
2327 | Double_t *pz){ | |
2328 | // Check invariant mass cut and pt candidate cut | |
2329 | //AliCodeTimerAuto("",0); | |
2330 | ||
2331 | UInt_t pdg2[2]; | |
2332 | Int_t nprongs=2; | |
2333 | Double_t minv2,mrange; | |
2334 | Double_t lolim,hilim; | |
2335 | Double_t minPt=0; | |
2336 | Bool_t retval=kFALSE; | |
2337 | ||
2338 | fMassCalc2->SetPxPyPzProngs(nprongs,px,py,pz); | |
2339 | fOKInvMassDstar=kFALSE; | |
2340 | // pt cut | |
2341 | minPt=fCutsDStartoKpipi->GetMinPtCandidate(); | |
2342 | if(minPt>0.1) | |
2343 | if(fMassCalc2->Pt2() < minPt*minPt) return retval; | |
2344 | // mass cut | |
2345 | pdg2[0]=211; pdg2[1]=421; // in twoTrackArrayCasc we put the pion first | |
2346 | mrange=fCutsDStartoKpipi->GetMassCut(); | |
2347 | lolim=fMassDstar-mrange; | |
2348 | hilim=fMassDstar+mrange; | |
2349 | minv2 = fMassCalc2->InvMass2(nprongs,pdg2); | |
2350 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2351 | retval=kTRUE; | |
2352 | fOKInvMassDstar=kTRUE; | |
2353 | } | |
2354 | ||
2355 | return retval; | |
2356 | } | |
2357 | ||
2358 | //----------------------------------------------------------------------------- | |
2359 | Bool_t AliAnalysisVertexingHF::SelectInvMassAndPt4prong(Double_t *px, | |
2360 | Double_t *py, | |
2361 | Double_t *pz){ | |
2362 | // Check invariant mass cut and pt candidate cut | |
2363 | //AliCodeTimerAuto("",0); | |
2364 | ||
2365 | UInt_t pdg4[4]; | |
2366 | Int_t nprongs=4; | |
2367 | Double_t minv2,mrange; | |
2368 | Double_t lolim,hilim; | |
2369 | Double_t minPt=0; | |
2370 | Bool_t retval=kFALSE; | |
2371 | ||
2372 | // D0->Kpipipi without PID | |
2373 | fMassCalc4->SetPxPyPzProngs(nprongs,px,py,pz); | |
2374 | fOKInvMassD0to4p=kFALSE; | |
2375 | // pt cut | |
2376 | minPt=fCutsD0toKpipipi->GetMinPtCandidate(); | |
2377 | if(minPt>0.1) | |
2378 | if(fMassCalc4->Pt2() < minPt*minPt) return retval; | |
2379 | // mass cut | |
2380 | mrange=fCutsD0toKpipipi->GetMassCut(); | |
2381 | lolim=fMassDzero-mrange; | |
2382 | hilim=fMassDzero+mrange; | |
2383 | ||
2384 | pdg4[0]=321; pdg4[1]=211; pdg4[2]=211; pdg4[3]=211; | |
2385 | minv2 = fMassCalc4->InvMass2(nprongs,pdg4); | |
2386 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2387 | retval=kTRUE; | |
2388 | fOKInvMassD0to4p=kTRUE; | |
2389 | } | |
2390 | ||
2391 | pdg4[0]=211; pdg4[1]=321; pdg4[2]=211; pdg4[3]=211; | |
2392 | minv2 = fMassCalc4->InvMass2(nprongs,pdg4); | |
2393 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2394 | retval=kTRUE; | |
2395 | fOKInvMassD0to4p=kTRUE; | |
2396 | } | |
2397 | ||
2398 | pdg4[0]=211; pdg4[1]=211; pdg4[2]=321; pdg4[3]=211; | |
2399 | minv2 = fMassCalc4->InvMass2(nprongs,pdg4); | |
2400 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2401 | retval=kTRUE; | |
2402 | fOKInvMassD0to4p=kTRUE; | |
2403 | } | |
2404 | ||
2405 | pdg4[0]=211; pdg4[1]=211; pdg4[2]=211; pdg4[3]=321; | |
2406 | minv2 = fMassCalc4->InvMass2(nprongs,pdg4); | |
2407 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2408 | retval=kTRUE; | |
2409 | fOKInvMassD0to4p=kTRUE; | |
2410 | } | |
2411 | ||
2412 | return retval; | |
2413 | } | |
2414 | //----------------------------------------------------------------------------- | |
2415 | Bool_t AliAnalysisVertexingHF::SelectInvMassAndPtCascade(Double_t *px, | |
2416 | Double_t *py, | |
2417 | Double_t *pz){ | |
2418 | // Check invariant mass cut and pt candidate cut | |
2419 | //AliCodeTimerAuto("",0); | |
2420 | ||
2421 | UInt_t pdg2[2]; | |
2422 | Int_t nprongs=2; | |
2423 | Double_t minv2,mrange; | |
2424 | Double_t lolim,hilim; | |
2425 | Double_t minPt=0; | |
2426 | Bool_t retval=kFALSE; | |
2427 | ||
2428 | fMassCalc2->SetPxPyPzProngs(nprongs,px,py,pz); | |
2429 | minPt=fCutsLctoV0->GetMinPtCandidate(); | |
2430 | fOKInvMassLctoV0=kFALSE; | |
2431 | mrange=fCutsLctoV0->GetMassCut(); | |
2432 | lolim=fMassLambdaC-mrange; | |
2433 | hilim=fMassLambdaC+mrange; | |
2434 | pdg2[0]=2212;pdg2[1]=310; | |
2435 | minv2=fMassCalc2->InvMass2(2,pdg2); | |
2436 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2437 | retval=kTRUE; | |
2438 | fOKInvMassLctoV0=kTRUE; | |
2439 | } | |
2440 | pdg2[0]=211;pdg2[1]=3122; | |
2441 | minv2=fMassCalc2->InvMass2(2,pdg2); | |
2442 | if(minv2>lolim*lolim && minv2<hilim*hilim ){ | |
2443 | retval=kTRUE; | |
2444 | fOKInvMassLctoV0=kTRUE; | |
2445 | } | |
6a213b59 | 2446 | |
6a213b59 | 2447 | return retval; |
2448 | } | |
2449 | //----------------------------------------------------------------------------- | |
c4cdf105 | 2450 | void AliAnalysisVertexingHF::SelectTracksAndCopyVertex(const AliVEvent *event, |
e11ae259 | 2451 | Int_t trkEntries, |
c7d3975b | 2452 | TObjArray &seleTrksArray, |
2453 | TObjArray &tracksAtVertex, | |
1992284a | 2454 | Int_t &nSeleTrks, |
2455 | UChar_t *seleFlags,Int_t *evtNumber) | |
6a213b59 | 2456 | { |
2ff20727 | 2457 | // Apply single-track preselection. |
2458 | // Fill a TObjArray with selected tracks (for displaced vertices or | |
2459 | // soft pion from D*). Selection flag stored in seleFlags. | |
dcb444c9 | 2460 | // Create the AliESDVertex object (convert from AliAODVertex if necessary) |
2461 | // In case of AOD input, also fill fAODMap for track index<->ID | |
c7d3975b | 2462 | //AliCodeTimerAuto("",0); |
dcb444c9 | 2463 | |
2464 | const AliVVertex *vprimary = event->GetPrimaryVertex(); | |
2465 | ||
2466 | if(fV1) { delete fV1; fV1=NULL; } | |
a3b693b3 | 2467 | if(fAODMap) { delete [] fAODMap; fAODMap=NULL; } |
dcb444c9 | 2468 | |
2469 | Int_t nindices=0; | |
2470 | UShort_t *indices = 0; | |
2471 | Double_t pos[3],cov[6]; | |
adccc1ab | 2472 | const Int_t entries = event->GetNumberOfTracks(); |
c7d3975b | 2473 | AliCentrality* cent; |
2474 | ||
dcb444c9 | 2475 | if(!fInputAOD) { // ESD |
2476 | fV1 = new AliESDVertex(*((AliESDVertex*)vprimary)); | |
c7d3975b | 2477 | cent=((AliESDEvent*)event)->GetCentrality(); |
2478 | } else { // AOD | |
dcb444c9 | 2479 | vprimary->GetXYZ(pos); |
2480 | vprimary->GetCovarianceMatrix(cov); | |
2481 | fV1 = new AliESDVertex(pos,cov,100.,100,vprimary->GetName()); | |
adccc1ab | 2482 | if(entries<=0) return; |
2483 | indices = new UShort_t[entries]; | |
2484 | memset(indices,0,sizeof(UShort_t)*entries); | |
c8ab4e4f | 2485 | fAODMapSize = 100000; |
2486 | fAODMap = new Int_t[fAODMapSize]; | |
a3b693b3 | 2487 | memset(fAODMap,0,sizeof(Int_t)*fAODMapSize); |
c7d3975b | 2488 | cent=((AliAODEvent*)event)->GetCentrality(); |
dcb444c9 | 2489 | } |
c7d3975b | 2490 | Float_t centperc=cent->GetCentralityPercentile("V0M"); |
dcb444c9 | 2491 | |
c7d3975b | 2492 | Bool_t okDisplaced=kFALSE,okSoftPi=kFALSE,okFor3Prong=kFALSE; |
2ff20727 | 2493 | nSeleTrks=0; |
6a213b59 | 2494 | |
dcb444c9 | 2495 | // transfer ITS tracks from event to arrays |
6a213b59 | 2496 | for(Int_t i=0; i<entries; i++) { |
a25935a9 | 2497 | AliVTrack *track; |
2498 | track = (AliVTrack*)event->GetTrack(i); | |
dcb444c9 | 2499 | |
f7c170b4 | 2500 | // skip pure ITS SA tracks |
ac325db6 | 2501 | if(track->GetStatus()&AliESDtrack::kITSpureSA) continue; |
f7c170b4 | 2502 | |
7162b6d2 | 2503 | // skip tracks without ITS |
2504 | if(!(track->GetStatus()&AliESDtrack::kITSin)) continue; | |
2505 | ||
3cad2766 | 2506 | // skip tracks with negative ID |
2507 | // (these are duplicated TPC-only AOD tracks, for jet analysis...) | |
2508 | if(track->GetID()<0) continue; | |
2509 | ||
65dad444 | 2510 | // TEMPORARY: check that the cov matrix is there |
0ab1bd93 | 2511 | Double_t covtest[21]; |
2512 | if(!track->GetCovarianceXYZPxPyPz(covtest)) continue; | |
2513 | // | |
65dad444 | 2514 | |
dcb444c9 | 2515 | if(fInputAOD) { |
2516 | AliAODTrack *aodt = (AliAODTrack*)track; | |
2517 | if(aodt->GetUsedForPrimVtxFit()) { | |
2518 | indices[nindices]=aodt->GetID(); nindices++; | |
2519 | } | |
a3b693b3 | 2520 | Int_t ind = (Int_t)aodt->GetID(); |
2521 | if (ind>-1 && ind < fAODMapSize) fAODMap[ind] = i; | |
dcb444c9 | 2522 | } |
6a213b59 | 2523 | |
dcb444c9 | 2524 | AliESDtrack *esdt = 0; |
b6e66d86 | 2525 | |
dcb444c9 | 2526 | if(!fInputAOD) { |
2527 | esdt = (AliESDtrack*)track; | |
2528 | } else { | |
2529 | esdt = new AliESDtrack(track); | |
2530 | } | |
6a213b59 | 2531 | |
2532 | // single track selection | |
c7d3975b | 2533 | okDisplaced=kFALSE; okSoftPi=kFALSE; okFor3Prong=kFALSE; |
e11ae259 | 2534 | if(fMixEvent && i<trkEntries){ |
a25935a9 | 2535 | evtNumber[i]=((AliMixedEvent*)event)->EventIndex(i); |
2536 | const AliVVertex* eventVtx=((AliMixedEvent*)event)->GetEventVertex(i); | |
2537 | Double_t vtxPos[3],primPos[3],primCov[6],trasl[3]; | |
2538 | eventVtx->GetXYZ(vtxPos); | |
2539 | vprimary->GetXYZ(primPos); | |
2540 | eventVtx->GetCovarianceMatrix(primCov); | |
2541 | for(Int_t ind=0;ind<3;ind++){ | |
2542 | trasl[ind]=vtxPos[ind]-primPos[ind]; | |
2543 | } | |
2544 | ||
2545 | Bool_t isTransl=esdt->Translate(trasl,primCov); | |
2546 | if(!isTransl) { | |
2547 | delete esdt; | |
2548 | esdt = NULL; | |
2549 | continue; | |
2550 | } | |
2551 | } | |
2552 | ||
c7d3975b | 2553 | if(SingleTrkCuts(esdt,centperc,okDisplaced,okSoftPi,okFor3Prong) && nSeleTrks<trkEntries) { |
1992284a | 2554 | esdt->PropagateToDCA(fV1,fBzkG,kVeryBig); |
2ff20727 | 2555 | seleTrksArray.AddLast(esdt); |
1992284a | 2556 | tracksAtVertex.AddLast(new AliExternalTrackParam(*esdt)); |
2ff20727 | 2557 | seleFlags[nSeleTrks]=0; |
2558 | if(okDisplaced) SETBIT(seleFlags[nSeleTrks],kBitDispl); | |
c7d3975b | 2559 | if(okFor3Prong) SETBIT(seleFlags[nSeleTrks],kBit3Prong); |
2ff20727 | 2560 | if(okSoftPi) SETBIT(seleFlags[nSeleTrks],kBitSoftPi); |
2561 | nSeleTrks++; | |
2562 | } else { | |
dcb444c9 | 2563 | if(fInputAOD) delete esdt; |
2564 | esdt = NULL; | |
2565 | continue; | |
2ff20727 | 2566 | } |
6a213b59 | 2567 | |
dcb444c9 | 2568 | } // end loop on tracks |
2569 | ||
2570 | // primary vertex from AOD | |
2571 | if(fInputAOD) { | |
2572 | delete fV1; fV1=NULL; | |
2573 | vprimary->GetXYZ(pos); | |
2574 | vprimary->GetCovarianceMatrix(cov); | |
2575 | Double_t chi2toNDF = vprimary->GetChi2perNDF(); | |
2576 | Int_t ncontr=nindices; | |
a6e0ebfe | 2577 | if(!strcmp(vprimary->GetTitle(),"VertexerTracksWithContraint")) ncontr += 1; |
dcb444c9 | 2578 | Double_t chi2=chi2toNDF*(2.*(Double_t)ncontr-3.); |
2579 | fV1 = new AliESDVertex(pos,cov,chi2,ncontr,vprimary->GetName()); | |
2580 | fV1->SetTitle(vprimary->GetTitle()); | |
2581 | fV1->SetIndices(nindices,indices); | |
2582 | } | |
2583 | if(indices) { delete [] indices; indices=NULL; } | |
2584 | ||
6a213b59 | 2585 | |
721c0b8f | 2586 | return; |
2587 | } | |
2588 | //----------------------------------------------------------------------------- | |
c20e04a0 | 2589 | void AliAnalysisVertexingHF::SetSelectionBitForPID(AliRDHFCuts *cuts,AliAODRecoDecayHF *rd,Int_t bit) { |
939850df | 2590 | // |
2591 | // Set the selection bit for PID | |
2592 | // | |
c7d3975b | 2593 | //AliCodeTimerAuto("",0); |
939850df | 2594 | if(cuts->GetPidHF()) { |
2595 | Bool_t usepid=cuts->GetIsUsePID(); | |
2596 | cuts->SetUsePID(kTRUE); | |
2597 | if(cuts->IsSelectedPID(rd)) | |
c20e04a0 | 2598 | rd->SetSelectionBit(bit); |
939850df | 2599 | cuts->SetUsePID(usepid); |
2600 | } | |
2601 | return; | |
2602 | } | |
2603 | //----------------------------------------------------------------------------- | |
c7d3975b | 2604 | Bool_t AliAnalysisVertexingHF::SingleTrkCuts(AliESDtrack *trk, |
2605 | Float_t centralityperc, | |
2606 | Bool_t &okDisplaced, | |
2607 | Bool_t &okSoftPi, | |
2608 | Bool_t &okFor3Prong) const | |
6a213b59 | 2609 | { |
2610 | // Check if track passes some kinematical cuts | |
6a213b59 | 2611 | |
f8fa4595 | 2612 | // this is needed to store the impact parameters |
c7d3975b | 2613 | //AliCodeTimerAuto("",0); |
2614 | ||
f8fa4595 | 2615 | trk->RelateToVertex(fV1,fBzkG,kVeryBig); |
2616 | ||
2ff20727 | 2617 | UInt_t selectInfo; |
f8fa4595 | 2618 | // |
c7d3975b | 2619 | // Track selection, displaced tracks -- 2 prong |
2ff20727 | 2620 | selectInfo = 0; |
c7d3975b | 2621 | if(centralityperc>=0 && fMaxCentPercentileForTightCuts>=0 |
2622 | && fTrackFilter2prongCentral && centralityperc<fMaxCentPercentileForTightCuts){ | |
2623 | // central PbPb events, tighter cuts | |
2624 | selectInfo = fTrackFilter2prongCentral->IsSelected(trk); | |
2625 | }else{ | |
2626 | // standard cuts | |
2627 | if(fTrackFilter) { | |
2628 | selectInfo = fTrackFilter->IsSelected(trk); | |
2629 | } | |
6a213b59 | 2630 | } |
2ff20727 | 2631 | if(selectInfo) okDisplaced=kTRUE; |
e11ae259 | 2632 | |
c7d3975b | 2633 | // Track selection, displaced tracks -- 3 prong |
2634 | selectInfo = 0; | |
2635 | if(centralityperc>=0 && fMaxCentPercentileForTightCuts>=0 | |
2636 | && fTrackFilter3prongCentral && centralityperc<fMaxCentPercentileForTightCuts){ | |
2637 | // central PbPb events, tighter cuts | |
2638 | selectInfo = fTrackFilter3prongCentral->IsSelected(trk); | |
2639 | }else{ | |
2640 | // standard cuts | |
2641 | if(fTrackFilter) { | |
2642 | selectInfo = fTrackFilter->IsSelected(trk); | |
2643 | } | |
2644 | } | |
2645 | if(selectInfo) okFor3Prong=kTRUE; | |
2646 | ||
2ff20727 | 2647 | // Track selection, soft pions |
2648 | selectInfo = 0; | |
2649 | if(fDstar && fTrackFilterSoftPi) { | |
2650 | selectInfo = fTrackFilterSoftPi->IsSelected(trk); | |
2651 | } | |
2652 | if(selectInfo) okSoftPi=kTRUE; | |
6a213b59 | 2653 | |
c7d3975b | 2654 | if(okDisplaced || okSoftPi || okFor3Prong) return kTRUE; |
f8fa4595 | 2655 | |
2ff20727 | 2656 | return kFALSE; |
6a213b59 | 2657 | } |
a07ad8e0 | 2658 | |
2659 | ||
2660 | //----------------------------------------------------------------------------- | |
2661 | AliAODv0* AliAnalysisVertexingHF::TransformESDv0toAODv0(AliESDv0 *esdV0, TObjArray *twoTrackArrayV0){ | |
2662 | // | |
2663 | // Transform ESDv0 to AODv0 | |
2664 | // | |
2665 | // this function takes the ESDv0 vertex, computes the DCA variables from the ESDv0 | |
2666 | // and creates an AODv0 out of them | |
2667 | // | |
c7d3975b | 2668 | //AliCodeTimerAuto("",0); |
18e7db05 | 2669 | Double_t vertex[3]; esdV0->GetXYZ(vertex[0],vertex[1],vertex[2]); |
a07ad8e0 | 2670 | AliAODVertex *vertexV0 = new AliAODVertex(vertex,esdV0->GetChi2V0(),AliAODVertex::kV0,2); |
2671 | ||
2672 | // create the v0 neutral track to compute the DCA to the primary vertex | |
2673 | Double_t xyz[3], pxpypz[3]; | |
2674 | esdV0->XvYvZv(xyz); | |
2675 | esdV0->PxPyPz(pxpypz); | |
2676 | Double_t cv[21]; for(int i=0; i<21; i++) cv[i]=0; | |
2677 | AliNeutralTrackParam *trackesdV0 = new AliNeutralTrackParam(xyz,pxpypz,cv,0); | |
fd20854c | 2678 | if(!trackesdV0) { |
2679 | delete vertexV0; | |
2680 | return 0; | |
2681 | } | |
a07ad8e0 | 2682 | Double_t d0z0[2],covd0z0[3]; |
18e7db05 | 2683 | AliAODVertex *primVertexAOD = PrimaryVertex(); |
2684 | trackesdV0->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
a07ad8e0 | 2685 | Double_t dcaV0ToPrimVertex = TMath::Sqrt(covd0z0[0]); |
2686 | // get the v0 daughters to compute their DCA to the v0 vertex and get their momentum | |
2687 | Double_t dcaV0DaughterToPrimVertex[2]; | |
2688 | AliExternalTrackParam *posV0track = (AliExternalTrackParam*)twoTrackArrayV0->UncheckedAt(0); | |
2689 | AliExternalTrackParam *negV0track = (AliExternalTrackParam*)twoTrackArrayV0->UncheckedAt(1); | |
18e7db05 | 2690 | if( !posV0track || !negV0track) { |
2691 | if(trackesdV0) {delete trackesdV0; trackesdV0=NULL;} | |
fd20854c | 2692 | delete vertexV0; |
2693 | delete primVertexAOD; | |
18e7db05 | 2694 | return 0; |
2695 | } | |
2696 | posV0track->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
a07ad8e0 | 2697 | // if ( covd0z0[0]<=0.) dcaV0DaughterToPrimVertex[0] = 0; |
2698 | // else | |
2699 | dcaV0DaughterToPrimVertex[0] = TMath::Sqrt(covd0z0[0]); | |
18e7db05 | 2700 | negV0track->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); |
a07ad8e0 | 2701 | // if ( covd0z0[0]<=0.)dcaV0DaughterToPrimVertex[1] = 0; |
2702 | // else | |
2703 | dcaV0DaughterToPrimVertex[1] = TMath::Sqrt(covd0z0[0]); | |
18e7db05 | 2704 | Double_t dcaV0Daughters = esdV0->GetDcaV0Daughters(); |
2705 | Double_t pmom[3],nmom[3]; | |
a07ad8e0 | 2706 | esdV0->GetNPxPyPz(nmom[0],nmom[1],nmom[2]); |
2707 | esdV0->GetPPxPyPz(pmom[0],pmom[1],pmom[2]); | |
2708 | ||
2709 | AliAODv0 *aodV0 = new AliAODv0(vertexV0,dcaV0Daughters,dcaV0ToPrimVertex,pmom,nmom,dcaV0DaughterToPrimVertex); | |
2710 | aodV0->SetOnFlyStatus(esdV0->GetOnFlyStatus()); | |
2711 | ||
dc222f77 | 2712 | delete trackesdV0; |
2713 | delete primVertexAOD; | |
a07ad8e0 | 2714 | |
2715 | return aodV0; | |
2716 | } | |
6a213b59 | 2717 | //----------------------------------------------------------------------------- |
c3379416 | 2718 | void AliAnalysisVertexingHF::SetParametersAtVertex(AliESDtrack* esdt, const AliExternalTrackParam* extpar) const{ |
1992284a | 2719 | // Set the stored track parameters at primary vertex into AliESDtrack |
c7d3975b | 2720 | //AliCodeTimerAuto("",0); |
2721 | ||
2722 | const Double_t *par=extpar->GetParameter(); | |
2723 | const Double_t *cov=extpar->GetCovariance(); | |
2724 | Double_t alpha=extpar->GetAlpha(); | |
2725 | Double_t x=extpar->GetX(); | |
2726 | esdt->Set(x,alpha,par,cov); | |
1992284a | 2727 | return; |
2728 | } | |
c7d3975b | 2729 | //----------------------------------------------------------------------------- |
2730 | void AliAnalysisVertexingHF::SetMasses(){ | |
2731 | // Set the hadron mass values from TDatabasePDG | |
2732 | ||
2733 | fMassDzero=TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
2734 | fMassDplus=TDatabasePDG::Instance()->GetParticle(411)->Mass(); | |
2735 | fMassDs=TDatabasePDG::Instance()->GetParticle(431)->Mass(); | |
2736 | fMassLambdaC=TDatabasePDG::Instance()->GetParticle(4122)->Mass(); | |
2737 | fMassDstar=TDatabasePDG::Instance()->GetParticle(413)->Mass(); | |
2738 | fMassJpsi=TDatabasePDG::Instance()->GetParticle(443)->Mass(); | |
2739 | } |