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6a213b59 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | //---------------------------------------------------------------------------- | |
17 | // Implementation of the heavy-flavour vertexing analysis class | |
dcb444c9 | 18 | // Candidates are stored in the AOD as objects deriving from AliAODRecoDecay. |
19 | // To be used as a task of AliAnalysisManager by means of the interface | |
20 | // class AliAnalysisTaskSEVertexingHF. | |
21 | // An example of usage in the macro AliAnalysisTaskSEVertexingHFTest.C. | |
6a213b59 | 22 | // |
b056c5e3 | 23 | // Contact: andrea.dainese@lnl.infn.it |
dc963de9 | 24 | // Contributors: E.Bruna, G.E.Bruno, A.Dainese, C.Di Gliglio, |
25 | // F.Prino, R.Romita, X.M.Zhang | |
6a213b59 | 26 | //---------------------------------------------------------------------------- |
b82f6d67 | 27 | #include <TFile.h> |
6a213b59 | 28 | #include <TDatabasePDG.h> |
29 | #include <TString.h> | |
dcb444c9 | 30 | #include "AliLog.h" |
31 | #include "AliVEvent.h" | |
32 | #include "AliVVertex.h" | |
33 | #include "AliVTrack.h" | |
6a213b59 | 34 | #include "AliVertexerTracks.h" |
a353d2e4 | 35 | #include "AliKFVertex.h" |
dcb444c9 | 36 | #include "AliESDEvent.h" |
6a213b59 | 37 | #include "AliESDVertex.h" |
e18fbfa7 | 38 | #include "AliExternalTrackParam.h" |
dcfa35b3 | 39 | #include "AliNeutralTrackParam.h" |
dcb444c9 | 40 | #include "AliESDtrack.h" |
f8fa4595 | 41 | #include "AliESDtrackCuts.h" |
b056c5e3 | 42 | #include "AliAODEvent.h" |
6a213b59 | 43 | #include "AliAODRecoDecay.h" |
44 | #include "AliAODRecoDecayHF.h" | |
45 | #include "AliAODRecoDecayHF2Prong.h" | |
46 | #include "AliAODRecoDecayHF3Prong.h" | |
47 | #include "AliAODRecoDecayHF4Prong.h" | |
2ff20727 | 48 | #include "AliAODRecoCascadeHF.h" |
f8fa4595 | 49 | #include "AliAnalysisFilter.h" |
6a213b59 | 50 | #include "AliAnalysisVertexingHF.h" |
51 | ||
52 | ClassImp(AliAnalysisVertexingHF) | |
53 | ||
54 | //---------------------------------------------------------------------------- | |
55 | AliAnalysisVertexingHF::AliAnalysisVertexingHF(): | |
dcb444c9 | 56 | fInputAOD(kFALSE), |
57 | fAODMap(0), | |
b82f6d67 | 58 | fBzkG(0.), |
59 | fSecVtxWithKF(kFALSE), | |
6a213b59 | 60 | fRecoPrimVtxSkippingTrks(kFALSE), |
61 | fRmTrksFromPrimVtx(kFALSE), | |
62 | fV1(0x0), | |
b82f6d67 | 63 | fD0toKpi(kTRUE), |
64 | fJPSItoEle(kTRUE), | |
65 | f3Prong(kTRUE), | |
66 | f4Prong(kTRUE), | |
2ff20727 | 67 | fDstar(kTRUE), |
dc963de9 | 68 | fLikeSign(kFALSE), |
2ff20727 | 69 | fTrackFilter(0x0), |
70 | fTrackFilterSoftPi(0x0) | |
6a213b59 | 71 | { |
72 | // Default constructor | |
73 | ||
74 | SetD0toKpiCuts(); | |
75 | SetBtoJPSICuts(); | |
76 | SetDplusCuts(); | |
b82f6d67 | 77 | SetDsCuts(); |
78 | SetLcCuts(); | |
2ff20727 | 79 | SetDstarCuts(); |
f8fa4595 | 80 | |
6a213b59 | 81 | } |
13977a79 | 82 | //-------------------------------------------------------------------------- |
83 | AliAnalysisVertexingHF::AliAnalysisVertexingHF(const AliAnalysisVertexingHF &source) : | |
84 | TNamed(source), | |
dcb444c9 | 85 | fInputAOD(source.fInputAOD), |
86 | fAODMap(source.fAODMap), | |
b82f6d67 | 87 | fBzkG(source.fBzkG), |
88 | fSecVtxWithKF(source.fSecVtxWithKF), | |
13977a79 | 89 | fRecoPrimVtxSkippingTrks(source.fRecoPrimVtxSkippingTrks), |
90 | fRmTrksFromPrimVtx(source.fRmTrksFromPrimVtx), | |
91 | fV1(source.fV1), | |
13977a79 | 92 | fD0toKpi(source.fD0toKpi), |
93 | fJPSItoEle(source.fJPSItoEle), | |
94 | f3Prong(source.f3Prong), | |
95 | f4Prong(source.f4Prong), | |
2ff20727 | 96 | fDstar(source.fDstar), |
dc963de9 | 97 | fLikeSign(source.fLikeSign), |
2ff20727 | 98 | fTrackFilter(source.fTrackFilter), |
99 | fTrackFilterSoftPi(source.fTrackFilterSoftPi) | |
13977a79 | 100 | { |
101 | // | |
102 | // Copy constructor | |
103 | // | |
104 | for(Int_t i=0; i<9; i++) fD0toKpiCuts[i]=source.fD0toKpiCuts[i]; | |
105 | for(Int_t i=0; i<9; i++) fBtoJPSICuts[i]=source.fBtoJPSICuts[i]; | |
106 | for(Int_t i=0; i<12; i++) fDplusCuts[i]=source.fDplusCuts[i]; | |
2ff20727 | 107 | for(Int_t i=0; i<13; i++) fDsCuts[i]=source.fDsCuts[i]; |
108 | for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i]; | |
109 | for(Int_t i=0; i<5; i++) fDstarCuts[i]=source.fDstarCuts[i]; | |
13977a79 | 110 | } |
111 | //-------------------------------------------------------------------------- | |
112 | AliAnalysisVertexingHF &AliAnalysisVertexingHF::operator=(const AliAnalysisVertexingHF &source) | |
113 | { | |
114 | // | |
115 | // assignment operator | |
116 | // | |
117 | if(&source == this) return *this; | |
dcb444c9 | 118 | fInputAOD = source.fInputAOD; |
b82f6d67 | 119 | fBzkG = source.fBzkG; |
120 | fSecVtxWithKF = source.fSecVtxWithKF; | |
13977a79 | 121 | fRecoPrimVtxSkippingTrks = source.fRecoPrimVtxSkippingTrks; |
122 | fRmTrksFromPrimVtx = source.fRmTrksFromPrimVtx; | |
123 | fV1 = source.fV1; | |
13977a79 | 124 | fD0toKpi = source.fD0toKpi; |
125 | fJPSItoEle = source.fJPSItoEle; | |
126 | f3Prong = source.f3Prong; | |
127 | f4Prong = source.f4Prong; | |
2ff20727 | 128 | fDstar = source.fDstar; |
dc963de9 | 129 | fLikeSign = source.fLikeSign; |
f8fa4595 | 130 | fTrackFilter = source.fTrackFilter; |
2ff20727 | 131 | fTrackFilterSoftPi = source.fTrackFilterSoftPi; |
13977a79 | 132 | |
133 | for(Int_t i=0; i<9; i++) fD0toKpiCuts[i]=source.fD0toKpiCuts[i]; | |
134 | for(Int_t i=0; i<9; i++) fBtoJPSICuts[i]=source.fBtoJPSICuts[i]; | |
135 | for(Int_t i=0; i<12; i++) fDplusCuts[i]=source.fDplusCuts[i]; | |
2ff20727 | 136 | for(Int_t i=0; i<13; i++) fDsCuts[i]=source.fDsCuts[i]; |
137 | for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i]; | |
138 | for(Int_t i=0; i<5; i++) fDstarCuts[i]=source.fDstarCuts[i]; | |
13977a79 | 139 | |
140 | return *this; | |
141 | } | |
6a213b59 | 142 | //---------------------------------------------------------------------------- |
143 | AliAnalysisVertexingHF::~AliAnalysisVertexingHF() { | |
144 | // Destructor | |
13977a79 | 145 | if(fV1) { delete fV1; fV1=0; } |
f8fa4595 | 146 | if(fTrackFilter) { delete fTrackFilter; fTrackFilter=0; } |
2ff20727 | 147 | if(fTrackFilterSoftPi) { delete fTrackFilterSoftPi; fTrackFilterSoftPi=0; } |
6a213b59 | 148 | } |
149 | //---------------------------------------------------------------------------- | |
dcb444c9 | 150 | void AliAnalysisVertexingHF::FindCandidates(AliVEvent *event, |
151 | TClonesArray *aodVerticesHFTClArr, | |
152 | TClonesArray *aodD0toKpiTClArr, | |
153 | TClonesArray *aodJPSItoEleTClArr, | |
154 | TClonesArray *aodCharm3ProngTClArr, | |
2ff20727 | 155 | TClonesArray *aodCharm4ProngTClArr, |
dc963de9 | 156 | TClonesArray *aodDstarTClArr, |
157 | TClonesArray *aodLikeSignTClArr) | |
b056c5e3 | 158 | { |
159 | // Find heavy-flavour vertex candidates | |
dcb444c9 | 160 | // Input: ESD or AOD |
b056c5e3 | 161 | // Output: AOD (additional branches added) |
162 | ||
dcb444c9 | 163 | |
164 | TString evtype = event->IsA()->GetName(); | |
165 | fInputAOD = ((evtype=="AliAODEvent") ? kTRUE : kFALSE); | |
166 | ||
b056c5e3 | 167 | if(!aodVerticesHFTClArr) { |
168 | printf("ERROR: no aodVerticesHFTClArr"); | |
169 | return; | |
170 | } | |
fa925a06 | 171 | if((fD0toKpi || fDstar) && !aodD0toKpiTClArr) { |
b056c5e3 | 172 | printf("ERROR: no aodD0toKpiTClArr"); |
173 | return; | |
174 | } | |
175 | if(fJPSItoEle && !aodJPSItoEleTClArr) { | |
176 | printf("ERROR: no aodJPSItoEleTClArr"); | |
177 | return; | |
178 | } | |
179 | if(f3Prong && !aodCharm3ProngTClArr) { | |
180 | printf("ERROR: no aodCharm3ProngTClArr"); | |
181 | return; | |
182 | } | |
183 | if(f4Prong && !aodCharm4ProngTClArr) { | |
184 | printf("ERROR: no aodCharm4ProngTClArr"); | |
185 | return; | |
186 | } | |
2ff20727 | 187 | if(fDstar && !aodDstarTClArr) { |
188 | printf("ERROR: no aodDstarTClArr"); | |
189 | return; | |
190 | } | |
dc963de9 | 191 | if(fLikeSign && !aodLikeSignTClArr) { |
192 | printf("ERROR: no aodLikeSignTClArr"); | |
193 | return; | |
194 | } | |
b056c5e3 | 195 | |
196 | // delete candidates from previous event and create references | |
dc963de9 | 197 | Int_t iVerticesHF=0,iD0toKpi=0,iJPSItoEle=0,i3Prong=0,i4Prong=0,iDstar=0,iLikeSign=0; |
b056c5e3 | 198 | aodVerticesHFTClArr->Delete(); |
199 | iVerticesHF = aodVerticesHFTClArr->GetEntriesFast(); | |
200 | TClonesArray &verticesHFRef = *aodVerticesHFTClArr; | |
fa925a06 | 201 | if(fD0toKpi || fDstar) { |
b056c5e3 | 202 | aodD0toKpiTClArr->Delete(); |
203 | iD0toKpi = aodD0toKpiTClArr->GetEntriesFast(); | |
204 | } | |
205 | if(fJPSItoEle) { | |
206 | aodJPSItoEleTClArr->Delete(); | |
207 | iJPSItoEle = aodJPSItoEleTClArr->GetEntriesFast(); | |
208 | } | |
209 | if(f3Prong) { | |
210 | aodCharm3ProngTClArr->Delete(); | |
211 | i3Prong = aodCharm3ProngTClArr->GetEntriesFast(); | |
212 | } | |
213 | if(f4Prong) { | |
214 | aodCharm4ProngTClArr->Delete(); | |
215 | i4Prong = aodCharm4ProngTClArr->GetEntriesFast(); | |
216 | } | |
2ff20727 | 217 | if(fDstar) { |
218 | aodDstarTClArr->Delete(); | |
219 | iDstar = aodDstarTClArr->GetEntriesFast(); | |
220 | } | |
dc963de9 | 221 | if(fLikeSign) { |
222 | aodLikeSignTClArr->Delete(); | |
223 | iLikeSign = aodLikeSignTClArr->GetEntriesFast(); | |
224 | } | |
2ff20727 | 225 | TClonesArray &aodD0toKpiRef = *aodD0toKpiTClArr; |
226 | TClonesArray &aodJPSItoEleRef = *aodJPSItoEleTClArr; | |
227 | TClonesArray &aodCharm3ProngRef = *aodCharm3ProngTClArr; | |
228 | TClonesArray &aodCharm4ProngRef = *aodCharm4ProngTClArr; | |
229 | TClonesArray &aodDstarRef = *aodDstarTClArr; | |
dc963de9 | 230 | TClonesArray &aodLikeSignRef = *aodLikeSignTClArr; |
231 | ||
b056c5e3 | 232 | |
2ff20727 | 233 | AliAODRecoDecayHF2Prong *io2Prong = 0; |
234 | AliAODRecoDecayHF3Prong *io3Prong = 0; | |
235 | AliAODRecoDecayHF4Prong *io4Prong = 0; | |
236 | AliAODRecoCascadeHF *ioCascade = 0; | |
b056c5e3 | 237 | |
2ff20727 | 238 | Int_t iTrkP1,iTrkP2,iTrkN1,iTrkN2,iTrkSoftPi,trkEntries; |
239 | Double_t xdummy,ydummy,dcap1n1,dcap1n2,dcap2n1,dcap1p2,dcan1n2,dcaCasc; | |
b056c5e3 | 240 | Bool_t okD0=kFALSE,okJPSI=kFALSE,ok3Prong=kFALSE,ok4Prong=kFALSE; |
2ff20727 | 241 | Bool_t okDstar=kFALSE,okD0fromDstar=kFALSE; |
b056c5e3 | 242 | AliESDtrack *postrack1 = 0; |
243 | AliESDtrack *postrack2 = 0; | |
244 | AliESDtrack *negtrack1 = 0; | |
245 | AliESDtrack *negtrack2 = 0; | |
2ff20727 | 246 | AliESDtrack *trackPi = 0; |
b056c5e3 | 247 | Double_t dcaMax = fD0toKpiCuts[1]; |
248 | if(dcaMax < fBtoJPSICuts[1]) dcaMax=fBtoJPSICuts[1]; | |
249 | if(dcaMax < fDplusCuts[11]) dcaMax=fDplusCuts[11]; | |
dcb444c9 | 250 | AliDebug(2,Form(" dca cut set to %f cm",dcaMax)); |
b056c5e3 | 251 | |
b056c5e3 | 252 | |
dcb444c9 | 253 | // get Bz |
254 | fBzkG = (Double_t)event->GetMagneticField(); | |
b056c5e3 | 255 | |
dcb444c9 | 256 | trkEntries = (Int_t)event->GetNumberOfTracks(); |
257 | AliDebug(1,Form(" Number of tracks: %d",trkEntries)); | |
357cd934 | 258 | |
259 | if(trkEntries<2) { | |
260 | AliDebug(1,Form(" Not enough tracks: %d",trkEntries)); | |
261 | return; | |
262 | } | |
b056c5e3 | 263 | |
357cd934 | 264 | const AliVVertex *primary = event->GetPrimaryVertex(); |
265 | if(!primary) { | |
266 | AliDebug(1," No primary vertex from tracks"); | |
267 | return; | |
268 | } | |
269 | TString primTitle = primary->GetTitle(); | |
270 | if(!primTitle.Contains("VertexerTracks")) { | |
271 | AliDebug(1," No primary vertex from tracks"); | |
b056c5e3 | 272 | return; |
273 | } | |
274 | ||
dcb444c9 | 275 | // call function that applies sigle-track selection, |
2ff20727 | 276 | // for displaced tracks and soft pions (both charges) for D*, |
dcb444c9 | 277 | // and retrieves primary vertex |
2ff20727 | 278 | TObjArray seleTrksArray(trkEntries); |
279 | UChar_t *seleFlags = new UChar_t[trkEntries]; // bit 0: displaced, bit 1: softpi | |
280 | Int_t nSeleTrks=0; | |
281 | SelectTracksAndCopyVertex(event,seleTrksArray,nSeleTrks,seleFlags); | |
b056c5e3 | 282 | |
2ff20727 | 283 | AliDebug(1,Form(" Selected tracks: %d",nSeleTrks)); |
b056c5e3 | 284 | |
2ff20727 | 285 | TObjArray *twoTrackArray1 = new TObjArray(2); |
286 | TObjArray *twoTrackArray2 = new TObjArray(2); | |
287 | TObjArray *twoTrackArrayCasc = new TObjArray(2); | |
288 | TObjArray *threeTrackArray = new TObjArray(3); | |
289 | TObjArray *fourTrackArray = new TObjArray(4); | |
b056c5e3 | 290 | |
dcb444c9 | 291 | Double_t dispersion; |
dc963de9 | 292 | Bool_t isLikeSignPair=kFALSE; |
dcb444c9 | 293 | |
2ff20727 | 294 | AliAODRecoDecayHF *rd = 0; |
295 | AliAODRecoCascadeHF *rc = 0; | |
296 | ||
b056c5e3 | 297 | // LOOP ON POSITIVE TRACKS |
2ff20727 | 298 | for(iTrkP1=0; iTrkP1<nSeleTrks; iTrkP1++) { |
dc963de9 | 299 | |
2ff20727 | 300 | if(iTrkP1%1==0) AliDebug(1,Form(" 1st loop on pos: track number %d of %d",iTrkP1,nSeleTrks)); |
dc963de9 | 301 | |
b056c5e3 | 302 | // get track from tracks array |
2ff20727 | 303 | postrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkP1); |
dc963de9 | 304 | |
305 | if(!TESTBIT(seleFlags[iTrkP1],kBitDispl)) continue; | |
306 | ||
307 | if(postrack1->Charge()<0 && !fLikeSign) continue; | |
308 | ||
b056c5e3 | 309 | // LOOP ON NEGATIVE TRACKS |
2ff20727 | 310 | for(iTrkN1=0; iTrkN1<nSeleTrks; iTrkN1++) { |
dc963de9 | 311 | |
2ff20727 | 312 | if(iTrkN1%1==0) AliDebug(1,Form(" 1st loop on neg: track number %d of %d",iTrkN1,nSeleTrks)); |
dc963de9 | 313 | |
314 | if(iTrkN1==iTrkP1) continue; | |
315 | ||
b056c5e3 | 316 | // get track from tracks array |
2ff20727 | 317 | negtrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN1); |
dc963de9 | 318 | |
319 | if(negtrack1->Charge()>0 && !fLikeSign) continue; | |
320 | ||
321 | if(!TESTBIT(seleFlags[iTrkN1],kBitDispl)) continue; | |
322 | ||
323 | if(postrack1->Charge()==negtrack1->Charge()) { // like-sign | |
324 | isLikeSignPair=kTRUE; | |
325 | if(!fLikeSign) continue; | |
326 | if(iTrkN1<iTrkP1) continue; // this is needed to avoid double-counting of like-sign | |
327 | } else { // unlike-sign | |
328 | isLikeSignPair=kFALSE; | |
329 | if(postrack1->Charge()<0 || negtrack1->Charge()>0) continue; // this is needed to avoid double-counting of unlike-sign | |
330 | } | |
331 | ||
dcb444c9 | 332 | // back to primary vertex |
333 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
334 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
dc963de9 | 335 | |
b056c5e3 | 336 | // DCA between the two tracks |
337 | dcap1n1 = postrack1->GetDCA(negtrack1,fBzkG,xdummy,ydummy); | |
338 | if(dcap1n1>dcaMax) { negtrack1=0; continue; } | |
dc963de9 | 339 | |
b056c5e3 | 340 | // Vertexing |
341 | twoTrackArray1->AddAt(postrack1,0); | |
342 | twoTrackArray1->AddAt(negtrack1,1); | |
dcb444c9 | 343 | AliAODVertex *vertexp1n1 = ReconstructSecondaryVertex(twoTrackArray1,dispersion); |
b056c5e3 | 344 | if(!vertexp1n1) { |
345 | twoTrackArray1->Clear(); | |
346 | negtrack1=0; | |
347 | continue; | |
348 | } | |
dc963de9 | 349 | |
350 | // 2 prong candidate | |
351 | if(fD0toKpi || fJPSItoEle || fDstar || fLikeSign) { | |
352 | ||
2ff20727 | 353 | io2Prong = Make2Prong(twoTrackArray1,event,vertexp1n1,dcap1n1,okD0,okJPSI,okD0fromDstar); |
dc963de9 | 354 | |
355 | if((fD0toKpi && okD0) || (fJPSItoEle && okJPSI) || (isLikeSignPair && (okD0 || okJPSI))) { | |
2ff20727 | 356 | // add the vertex and the decay to the AOD |
357 | AliAODVertex *v2Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1); | |
358 | if(fInputAOD) AddDaughterRefs(v2Prong,event,twoTrackArray1); | |
dc963de9 | 359 | if(!isLikeSignPair) { |
360 | if(okD0) { | |
361 | rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong); | |
362 | rd->SetSecondaryVtx(v2Prong); | |
363 | v2Prong->SetParent(rd); | |
364 | } | |
365 | if(okJPSI) { | |
366 | rd = new(aodJPSItoEleRef[iJPSItoEle++])AliAODRecoDecayHF2Prong(*io2Prong); | |
367 | rd->SetSecondaryVtx(v2Prong); | |
368 | if(!okD0) v2Prong->SetParent(rd); // it cannot have two mothers ... | |
369 | } | |
370 | } else { // isLikeSignPair | |
371 | rd = new(aodLikeSignRef[iLikeSign++])AliAODRecoDecayHF2Prong(*io2Prong); | |
2ff20727 | 372 | rd->SetSecondaryVtx(v2Prong); |
373 | v2Prong->SetParent(rd); | |
dcb444c9 | 374 | } |
b056c5e3 | 375 | } |
dc963de9 | 376 | // D* candidates |
377 | if(fDstar && okD0fromDstar && !isLikeSignPair) { | |
378 | // write references in io2Prong | |
379 | if(fInputAOD) { | |
2ff20727 | 380 | AddDaughterRefs(vertexp1n1,event,twoTrackArray1); |
dc963de9 | 381 | } else { |
382 | vertexp1n1->AddDaughter(postrack1); | |
383 | vertexp1n1->AddDaughter(negtrack1); | |
2ff20727 | 384 | } |
dc963de9 | 385 | io2Prong->SetSecondaryVtx(vertexp1n1); |
386 | //printf("---> %d %d %d %d %d\n",vertexp1n1->GetNDaughters(),iTrkP1,iTrkN1,postrack1->Charge(),negtrack1->Charge()); | |
2ff20727 | 387 | // create a track from the D0 |
dcfa35b3 | 388 | AliNeutralTrackParam *trackD0 = new AliNeutralTrackParam(io2Prong); |
dc963de9 | 389 | |
2ff20727 | 390 | // LOOP ON TRACKS THAT PASSED THE SOFT PION CUTS |
391 | for(iTrkSoftPi=0; iTrkSoftPi<nSeleTrks; iTrkSoftPi++) { | |
dc963de9 | 392 | |
2ff20727 | 393 | if(iTrkSoftPi==iTrkP1 || iTrkSoftPi==iTrkN1) continue; |
dc963de9 | 394 | |
2ff20727 | 395 | if(!TESTBIT(seleFlags[iTrkSoftPi],kBitSoftPi)) continue; |
dc963de9 | 396 | |
2ff20727 | 397 | if(iTrkSoftPi%1==0) AliDebug(1,Form(" 1st loop on pi_s: track number %d of %d",iTrkSoftPi,nSeleTrks)); |
dc963de9 | 398 | |
2ff20727 | 399 | // get track from tracks array |
400 | trackPi = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkSoftPi); | |
401 | ||
402 | trackPi->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
403 | trackD0->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
dc963de9 | 404 | |
2ff20727 | 405 | // DCA between the two tracks |
406 | dcaCasc = trackPi->GetDCA(trackD0,fBzkG,xdummy,ydummy); | |
dc963de9 | 407 | |
2ff20727 | 408 | // Vertexing |
409 | twoTrackArrayCasc->AddAt(trackPi,0); | |
410 | twoTrackArrayCasc->AddAt(trackD0,1); | |
dcfa35b3 | 411 | AliAODVertex *vertexCasc = ReconstructSecondaryVertex(twoTrackArrayCasc,dispersion,kFALSE); |
2ff20727 | 412 | if(!vertexCasc) { |
413 | twoTrackArrayCasc->Clear(); | |
414 | trackPi=0; | |
415 | continue; | |
416 | } | |
dc963de9 | 417 | |
2ff20727 | 418 | ioCascade = MakeCascade(twoTrackArrayCasc,event,vertexCasc,io2Prong,dcaCasc,okDstar); |
419 | if(okDstar) { | |
dc963de9 | 420 | // add the D0 to the AOD (if not already done) |
2ff20727 | 421 | if(!okD0) { |
2ff20727 | 422 | AliAODVertex *v2Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1); |
423 | if(fInputAOD) AddDaughterRefs(v2Prong,event,twoTrackArray1); | |
424 | rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong); | |
425 | rd->SetSecondaryVtx(v2Prong); | |
426 | v2Prong->SetParent(rd); | |
427 | okD0=kTRUE; // this is done to add it only once | |
428 | } | |
429 | // add the vertex and the cascade to the AOD | |
430 | AliAODVertex *vCasc = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexCasc); | |
dcfa35b3 | 431 | if(fInputAOD) { |
432 | AddDaughterRefs(vCasc,event,twoTrackArrayCasc); // add the pion | |
433 | } else { | |
434 | vCasc->AddDaughter(rd); // just to fill ref #0 | |
435 | } | |
436 | vCasc->AddDaughter(rd); // add the D0 (in ref #1) | |
2ff20727 | 437 | rc = new(aodDstarRef[iDstar++])AliAODRecoCascadeHF(*ioCascade); |
2ff20727 | 438 | rc->SetSecondaryVtx(vCasc); |
439 | vCasc->SetParent(rc); | |
440 | } | |
441 | twoTrackArrayCasc->Clear(); | |
442 | trackPi=0; | |
443 | ioCascade=NULL; | |
444 | delete vertexCasc; | |
445 | } // end loop on soft pi tracks | |
dc963de9 | 446 | |
2ff20727 | 447 | if(trackD0) {delete trackD0; trackD0=NULL;} |
dc963de9 | 448 | |
2ff20727 | 449 | } |
dc963de9 | 450 | |
b056c5e3 | 451 | io2Prong=NULL; |
2ff20727 | 452 | } |
dc963de9 | 453 | |
b056c5e3 | 454 | twoTrackArray1->Clear(); |
dc963de9 | 455 | if((!f3Prong && !f4Prong) || isLikeSignPair) { |
b056c5e3 | 456 | negtrack1=0; |
457 | delete vertexp1n1; | |
458 | continue; | |
459 | } | |
460 | ||
461 | ||
462 | // 2nd LOOP ON POSITIVE TRACKS | |
2ff20727 | 463 | for(iTrkP2=iTrkP1+1; iTrkP2<nSeleTrks; iTrkP2++) { |
dc963de9 | 464 | |
2ff20727 | 465 | if(iTrkP2==iTrkP1 || iTrkP2==iTrkN1) continue; |
dc963de9 | 466 | |
2ff20727 | 467 | if(iTrkP2%1==0) AliDebug(1,Form(" 2nd loop on pos: track number %d of %d",iTrkP2,nSeleTrks)); |
dc963de9 | 468 | |
b056c5e3 | 469 | // get track from tracks array |
2ff20727 | 470 | postrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkP2); |
dc963de9 | 471 | |
472 | if(postrack2->Charge()<0) continue; | |
473 | ||
474 | if(!TESTBIT(seleFlags[iTrkP2],kBitDispl)) continue; | |
475 | ||
dcb444c9 | 476 | // back to primary vertex |
477 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
478 | postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
479 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
2ff20727 | 480 | //printf("********** %d %d %d\n",postrack1->GetID(),postrack2->GetID(),negtrack1->GetID()); |
dc963de9 | 481 | |
b056c5e3 | 482 | dcap2n1 = postrack2->GetDCA(negtrack1,fBzkG,xdummy,ydummy); |
483 | if(dcap2n1>dcaMax) { postrack2=0; continue; } | |
484 | dcap1p2 = postrack2->GetDCA(postrack1,fBzkG,xdummy,ydummy); | |
485 | if(dcap1p2>dcaMax) { postrack2=0; continue; } | |
486 | ||
487 | // Vertexing | |
488 | twoTrackArray2->AddAt(postrack2,0); | |
489 | twoTrackArray2->AddAt(negtrack1,1); | |
dcb444c9 | 490 | AliAODVertex *vertexp2n1 = ReconstructSecondaryVertex(twoTrackArray2,dispersion); |
b056c5e3 | 491 | if(!vertexp2n1) { |
492 | twoTrackArray2->Clear(); | |
493 | postrack2=0; | |
494 | continue; | |
495 | } | |
dc963de9 | 496 | |
497 | // 3 prong candidates | |
b056c5e3 | 498 | if(f3Prong) { |
dc963de9 | 499 | |
b056c5e3 | 500 | threeTrackArray->AddAt(postrack1,0); |
501 | threeTrackArray->AddAt(negtrack1,1); | |
502 | threeTrackArray->AddAt(postrack2,2); | |
dc963de9 | 503 | |
dcb444c9 | 504 | AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion); |
505 | io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp2n1,dcap1n1,dcap2n1,dcap1p2,ok3Prong); | |
b056c5e3 | 506 | if(ok3Prong) { |
2ff20727 | 507 | AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD); |
508 | if(fInputAOD) AddDaughterRefs(v3Prong,event,threeTrackArray); | |
509 | rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
510 | rd->SetSecondaryVtx(v3Prong); | |
511 | v3Prong->SetParent(rd); | |
b056c5e3 | 512 | } |
dcb444c9 | 513 | if(io3Prong) io3Prong=NULL; |
b056c5e3 | 514 | } |
dc963de9 | 515 | |
516 | // 4 prong candidates | |
b056c5e3 | 517 | if(f4Prong) { |
dc963de9 | 518 | |
b056c5e3 | 519 | // 3rd LOOP ON NEGATIVE TRACKS (for 4 prong) |
2ff20727 | 520 | for(iTrkN2=iTrkN1+1; iTrkN2<nSeleTrks; iTrkN2++) { |
dc963de9 | 521 | |
2ff20727 | 522 | if(iTrkN2==iTrkP1 || iTrkN2==iTrkP2 || iTrkN2==iTrkN1) continue; |
dc963de9 | 523 | |
2ff20727 | 524 | if(iTrkN2%1==0) AliDebug(1,Form(" 3rd loop on neg: track number %d of %d",iTrkN2,nSeleTrks)); |
dc963de9 | 525 | |
b056c5e3 | 526 | // get track from tracks array |
2ff20727 | 527 | negtrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN2); |
dc963de9 | 528 | |
529 | if(negtrack2->Charge()>0) continue; | |
530 | ||
531 | if(!TESTBIT(seleFlags[iTrkN2],kBitDispl)) continue; | |
532 | ||
dcb444c9 | 533 | // back to primary vertex |
534 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
535 | postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
536 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
537 | negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
b056c5e3 | 538 | dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); |
539 | if(dcap1n2>dcaMax) { negtrack2=0; continue; } | |
dc963de9 | 540 | |
b056c5e3 | 541 | // Vertexing |
542 | fourTrackArray->AddAt(postrack1,0); | |
543 | fourTrackArray->AddAt(negtrack1,1); | |
544 | fourTrackArray->AddAt(postrack2,2); | |
545 | fourTrackArray->AddAt(negtrack2,3); | |
dc963de9 | 546 | |
dcb444c9 | 547 | AliAODVertex* secVert4PrAOD = ReconstructSecondaryVertex(fourTrackArray,dispersion); |
548 | io4Prong = Make4Prong(fourTrackArray,event,secVert4PrAOD,vertexp1n1,vertexp2n1,dcap1n1,dcap1n2,dcap2n1,ok4Prong); | |
b056c5e3 | 549 | if(ok4Prong) { |
2ff20727 | 550 | AliAODVertex *v4Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert4PrAOD); |
551 | if(fInputAOD) AddDaughterRefs(v4Prong,event,fourTrackArray); | |
552 | rd = new(aodCharm4ProngRef[i4Prong++])AliAODRecoDecayHF4Prong(*io4Prong); | |
553 | rd->SetSecondaryVtx(v4Prong); | |
554 | v4Prong->SetParent(rd); | |
b056c5e3 | 555 | } |
dc963de9 | 556 | |
dcb444c9 | 557 | if(io4Prong) io4Prong=NULL; |
b056c5e3 | 558 | fourTrackArray->Clear(); |
559 | negtrack2 = 0; | |
dc963de9 | 560 | |
b056c5e3 | 561 | } // end loop on negative tracks |
dc963de9 | 562 | |
b056c5e3 | 563 | } |
dc963de9 | 564 | |
b056c5e3 | 565 | postrack2 = 0; |
566 | delete vertexp2n1; | |
dc963de9 | 567 | |
b056c5e3 | 568 | } // end 2nd loop on positive tracks |
dc963de9 | 569 | |
b056c5e3 | 570 | twoTrackArray2->Clear(); |
571 | ||
dc963de9 | 572 | // 2nd LOOP ON NEGATIVE TRACKS (for 3 prong +--) |
2ff20727 | 573 | for(iTrkN2=iTrkN1+1; iTrkN2<nSeleTrks; iTrkN2++) { |
dc963de9 | 574 | |
2ff20727 | 575 | if(iTrkN2==iTrkP1 || iTrkN2==iTrkP2 || iTrkN2==iTrkN1) continue; |
dc963de9 | 576 | |
2ff20727 | 577 | if(iTrkN2%1==0) AliDebug(1,Form(" 2nd loop on neg: track number %d of %d",iTrkN2,nSeleTrks)); |
dc963de9 | 578 | |
b056c5e3 | 579 | // get track from tracks array |
2ff20727 | 580 | negtrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN2); |
dc963de9 | 581 | |
582 | if(negtrack2->Charge()>0) continue; | |
583 | ||
584 | if(!TESTBIT(seleFlags[iTrkN2],kBitDispl)) continue; | |
585 | ||
dcb444c9 | 586 | // back to primary vertex |
587 | postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
588 | negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
589 | negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig); | |
2ff20727 | 590 | //printf("********** %d %d %d\n",postrack1->GetID(),negtrack1->GetID(),negtrack2->GetID()); |
dc963de9 | 591 | |
b056c5e3 | 592 | dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); |
593 | if(dcap1n2>dcaMax) { negtrack2=0; continue; } | |
594 | dcan1n2 = negtrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy); | |
595 | if(dcan1n2>dcaMax) { negtrack2=0; continue; } | |
596 | ||
597 | // Vertexing | |
598 | twoTrackArray2->AddAt(postrack1,0); | |
599 | twoTrackArray2->AddAt(negtrack2,1); | |
dcb444c9 | 600 | |
601 | AliAODVertex *vertexp1n2 = ReconstructSecondaryVertex(twoTrackArray2,dispersion); | |
b056c5e3 | 602 | if(!vertexp1n2) { |
603 | twoTrackArray2->Clear(); | |
604 | negtrack2=0; | |
605 | continue; | |
606 | } | |
dc963de9 | 607 | |
b056c5e3 | 608 | if(f3Prong) { |
609 | threeTrackArray->AddAt(negtrack1,0); | |
610 | threeTrackArray->AddAt(postrack1,1); | |
611 | threeTrackArray->AddAt(negtrack2,2); | |
dcb444c9 | 612 | AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion); |
613 | io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp1n2,dcap1n1,dcap1n2,dcan1n2,ok3Prong); | |
b056c5e3 | 614 | if(ok3Prong) { |
2ff20727 | 615 | AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD); |
616 | if(fInputAOD) AddDaughterRefs(v3Prong,event,threeTrackArray); | |
617 | rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong); | |
618 | rd->SetSecondaryVtx(v3Prong); | |
619 | v3Prong->SetParent(rd); | |
b056c5e3 | 620 | } |
dcb444c9 | 621 | if(io3Prong) io3Prong=NULL; |
b056c5e3 | 622 | } |
dc963de9 | 623 | |
b056c5e3 | 624 | negtrack2 = 0; |
625 | delete vertexp1n2; | |
dc963de9 | 626 | |
b056c5e3 | 627 | } // end 2nd loop on negative tracks |
628 | twoTrackArray2->Clear(); | |
629 | ||
630 | negtrack1 = 0; | |
631 | delete vertexp1n1; | |
632 | } // end 1st loop on negative tracks | |
633 | ||
634 | postrack1 = 0; | |
635 | } // end 1st loop on positive tracks | |
636 | ||
637 | ||
2ff20727 | 638 | AliDebug(1,Form(" Total HF vertices in event = %d;", |
639 | (Int_t)aodVerticesHFTClArr->GetEntriesFast())); | |
b056c5e3 | 640 | if(fD0toKpi) { |
dcb444c9 | 641 | AliDebug(1,Form(" D0->Kpi in event = %d;", |
642 | (Int_t)aodD0toKpiTClArr->GetEntriesFast())); | |
b056c5e3 | 643 | } |
644 | if(fJPSItoEle) { | |
dcb444c9 | 645 | AliDebug(1,Form(" JPSI->ee in event = %d;", |
646 | (Int_t)aodJPSItoEleTClArr->GetEntriesFast())); | |
b056c5e3 | 647 | } |
648 | if(f3Prong) { | |
dcb444c9 | 649 | AliDebug(1,Form(" Charm->3Prong in event = %d;", |
650 | (Int_t)aodCharm3ProngTClArr->GetEntriesFast())); | |
b056c5e3 | 651 | } |
652 | if(f4Prong) { | |
dcb444c9 | 653 | AliDebug(1,Form(" Charm->4Prong in event = %d;\n", |
654 | (Int_t)aodCharm4ProngTClArr->GetEntriesFast())); | |
b056c5e3 | 655 | } |
2ff20727 | 656 | if(fDstar) { |
657 | AliDebug(1,Form(" D*->D0pi in event = %d;\n", | |
658 | (Int_t)aodDstarTClArr->GetEntriesFast())); | |
659 | } | |
dc963de9 | 660 | if(fLikeSign) { |
661 | AliDebug(1,Form(" Like-sign pairs in event = %d;\n", | |
662 | (Int_t)aodLikeSignTClArr->GetEntriesFast())); | |
663 | } | |
b056c5e3 | 664 | |
665 | ||
dcb444c9 | 666 | twoTrackArray1->Delete(); delete twoTrackArray1; |
667 | twoTrackArray2->Delete(); delete twoTrackArray2; | |
2ff20727 | 668 | twoTrackArrayCasc->Delete(); delete twoTrackArrayCasc; |
b056c5e3 | 669 | threeTrackArray->Clear(); |
670 | threeTrackArray->Delete(); delete threeTrackArray; | |
dcb444c9 | 671 | fourTrackArray->Delete(); delete fourTrackArray; |
2ff20727 | 672 | delete [] seleFlags; seleFlags=NULL; |
b056c5e3 | 673 | |
dcb444c9 | 674 | if(fInputAOD) { |
2ff20727 | 675 | seleTrksArray.Delete(); |
dcb444c9 | 676 | } |
b056c5e3 | 677 | |
678 | return; | |
679 | } | |
680 | //---------------------------------------------------------------------------- | |
dcb444c9 | 681 | void AliAnalysisVertexingHF::AddDaughterRefs(AliAODVertex *v,AliVEvent *event, |
682 | TObjArray *trkArray) const | |
6a213b59 | 683 | { |
dcb444c9 | 684 | // Add the AOD tracks as daughters of the vertex (TRef) |
6a213b59 | 685 | |
dcb444c9 | 686 | Int_t nTrks = trkArray->GetEntriesFast(); |
6a213b59 | 687 | |
e18fbfa7 | 688 | AliExternalTrackParam *track = 0; |
dcb444c9 | 689 | AliAODTrack *aodTrack = 0; |
690 | Int_t id; | |
6a213b59 | 691 | |
dcb444c9 | 692 | for(Int_t i=0; i<nTrks; i++) { |
e18fbfa7 | 693 | track = (AliExternalTrackParam*)trkArray->UncheckedAt(i); |
694 | id = (Int_t)track->GetID(); | |
2ff20727 | 695 | //printf("---> %d\n",id); |
e18fbfa7 | 696 | if(id<0) continue; // this track is a AliAODRecoDecay |
dcb444c9 | 697 | aodTrack = (AliAODTrack*)event->GetTrack(fAODMap[id]); |
698 | v->AddDaughter(aodTrack); | |
6a213b59 | 699 | } |
6a213b59 | 700 | |
701 | return; | |
dcb444c9 | 702 | } |
6a213b59 | 703 | //---------------------------------------------------------------------------- |
2ff20727 | 704 | AliAODRecoCascadeHF* AliAnalysisVertexingHF::MakeCascade( |
705 | TObjArray *twoTrackArray,AliVEvent *event, | |
706 | AliAODVertex *secVert, | |
707 | AliAODRecoDecayHF2Prong *rd2Prong, | |
708 | Double_t dca, | |
709 | Bool_t &okDstar) const | |
710 | { | |
711 | // Make the cascade as a 2Prong decay and check if it passes Dstar | |
712 | // reconstruction cuts | |
713 | ||
714 | okDstar = kFALSE; | |
715 | ||
716 | Bool_t dummy1,dummy2,dummy3; | |
717 | ||
718 | // We use Make2Prong to construct the AliAODRecoCascadeHF | |
719 | // (which inherits from AliAODRecoDecayHF2Prong) | |
720 | AliAODRecoCascadeHF *theCascade = | |
721 | (AliAODRecoCascadeHF*)Make2Prong(twoTrackArray,event,secVert,dca, | |
722 | dummy1,dummy2,dummy3); | |
723 | if(!theCascade) return 0x0; | |
724 | ||
725 | // charge | |
726 | AliESDtrack *trackPi = (AliESDtrack*)twoTrackArray->UncheckedAt(0); | |
727 | theCascade->SetCharge(trackPi->Charge()); | |
728 | ||
729 | //--- selection cuts | |
730 | // | |
731 | AliAODRecoCascadeHF *tmpCascade = new AliAODRecoCascadeHF(*theCascade); | |
dcfa35b3 | 732 | tmpCascade->GetSecondaryVtx()->AddDaughter(trackPi); |
733 | tmpCascade->GetSecondaryVtx()->AddDaughter(rd2Prong); | |
2ff20727 | 734 | AliAODVertex *primVertexAOD=0; |
735 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) { | |
736 | // take event primary vertex | |
737 | primVertexAOD = PrimaryVertex(); | |
738 | tmpCascade->SetOwnPrimaryVtx(primVertexAOD); | |
739 | rd2Prong->SetOwnPrimaryVtx(primVertexAOD); | |
740 | } | |
741 | // select D*->D0pi | |
742 | if(fDstar) { | |
743 | Bool_t testD0=kTRUE; | |
744 | okDstar = tmpCascade->SelectDstar(fDstarCuts,fD0fromDstarCuts,testD0); | |
745 | } | |
dcfa35b3 | 746 | tmpCascade->GetSecondaryVtx()->RemoveDaughters(); |
2ff20727 | 747 | tmpCascade->UnsetOwnPrimaryVtx(); |
2ff20727 | 748 | delete tmpCascade; tmpCascade=NULL; |
749 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) { | |
750 | rd2Prong->UnsetOwnPrimaryVtx(); | |
751 | delete primVertexAOD; primVertexAOD=NULL; | |
752 | } | |
753 | //--- | |
754 | ||
755 | return theCascade; | |
756 | } | |
757 | //----------------------------------------------------------------------------- | |
6a213b59 | 758 | AliAODRecoDecayHF2Prong *AliAnalysisVertexingHF::Make2Prong( |
2ff20727 | 759 | TObjArray *twoTrackArray,AliVEvent *event, |
dcb444c9 | 760 | AliAODVertex *secVert,Double_t dca, |
2ff20727 | 761 | Bool_t &okD0,Bool_t &okJPSI, |
762 | Bool_t &okD0fromDstar) const | |
6a213b59 | 763 | { |
764 | // Make 2Prong candidates and check if they pass D0toKpi or BtoJPSI | |
765 | // reconstruction cuts | |
766 | // G.E.Bruno (J/psi), A.Dainese (D0->Kpi) | |
767 | ||
2ff20727 | 768 | okD0=kFALSE; okJPSI=kFALSE; okD0fromDstar=kFALSE; |
6a213b59 | 769 | |
770 | Double_t px[2],py[2],pz[2],d0[2],d0err[2]; | |
6a213b59 | 771 | |
2ff20727 | 772 | AliESDtrack *postrack = (AliESDtrack*)twoTrackArray->UncheckedAt(0); |
773 | AliESDtrack *negtrack = (AliESDtrack*)twoTrackArray->UncheckedAt(1); | |
6a213b59 | 774 | |
775 | // propagate tracks to secondary vertex, to compute inv. mass | |
dcb444c9 | 776 | postrack->PropagateToDCA(secVert,fBzkG,kVeryBig); |
777 | negtrack->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 778 | |
779 | Double_t momentum[3]; | |
780 | postrack->GetPxPyPz(momentum); | |
781 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
782 | negtrack->GetPxPyPz(momentum); | |
783 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
784 | ||
785 | ||
786 | // invariant mass cut (try to improve coding here..) | |
787 | Bool_t okMassCut=kFALSE; | |
dcb444c9 | 788 | if(!okMassCut && fD0toKpi) if(SelectInvMass(0,2,px,py,pz)) okMassCut=kTRUE; |
6a213b59 | 789 | if(!okMassCut && fJPSItoEle) if(SelectInvMass(1,2,px,py,pz)) okMassCut=kTRUE; |
2ff20727 | 790 | if(!okMassCut && fDstar) if(SelectInvMass(3,2,px,py,pz)) okMassCut=kTRUE; |
6a213b59 | 791 | if(!okMassCut) { |
dcb444c9 | 792 | AliDebug(2," candidate didn't pass mass cut"); |
6a213b59 | 793 | return 0x0; |
794 | } | |
795 | ||
dcb444c9 | 796 | // primary vertex to be used by this candidate |
2ff20727 | 797 | AliAODVertex *primVertexAOD = PrimaryVertex(twoTrackArray,event); |
dcb444c9 | 798 | if(!primVertexAOD) return 0x0; |
6a213b59 | 799 | |
dcb444c9 | 800 | Double_t d0z0[2],covd0z0[3]; |
801 | postrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
6a213b59 | 802 | d0[0] = d0z0[0]; |
803 | d0err[0] = TMath::Sqrt(covd0z0[0]); | |
dcb444c9 | 804 | negtrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); |
6a213b59 | 805 | d0[1] = d0z0[0]; |
806 | d0err[1] = TMath::Sqrt(covd0z0[0]); | |
807 | ||
808 | // create the object AliAODRecoDecayHF2Prong | |
dcb444c9 | 809 | AliAODRecoDecayHF2Prong *the2Prong = new AliAODRecoDecayHF2Prong(secVert,px,py,pz,d0,d0err,dca); |
6a213b59 | 810 | the2Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 811 | UShort_t id[2]={(UShort_t)postrack->GetID(),(UShort_t)negtrack->GetID()}; |
812 | the2Prong->SetProngIDs(2,id); | |
6a213b59 | 813 | |
b056c5e3 | 814 | |
6a213b59 | 815 | // select D0->Kpi |
816 | Int_t checkD0,checkD0bar; | |
2ff20727 | 817 | if(fD0toKpi) okD0 = the2Prong->SelectD0(fD0toKpiCuts,checkD0,checkD0bar); |
6a213b59 | 818 | //if(fDebug && fD0toKpi) printf(" %d\n",(Int_t)okD0); |
819 | // select J/psi from B | |
820 | Int_t checkJPSI; | |
2ff20727 | 821 | if(fJPSItoEle) okJPSI = the2Prong->SelectBtoJPSI(fBtoJPSICuts,checkJPSI); |
6a213b59 | 822 | //if(fDebug && fJPSItoEle) printf(" %d\n",(Int_t)okJPSI); |
2ff20727 | 823 | // select D0->Kpi from Dstar |
824 | if(fDstar) okD0fromDstar = the2Prong->SelectD0(fD0fromDstarCuts,checkD0,checkD0bar); | |
825 | //if(fDebug && fDstar) printf(" %d\n",(Int_t)okD0fromDstar); | |
6a213b59 | 826 | |
2ff20727 | 827 | // remove the primary vertex (was used only for selection) |
dcb444c9 | 828 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the2Prong->UnsetOwnPrimaryVtx(); |
6a213b59 | 829 | |
2ff20727 | 830 | // get PID info from ESD |
831 | Double_t esdpid0[5]; | |
832 | postrack->GetESDpid(esdpid0); | |
833 | Double_t esdpid1[5]; | |
834 | negtrack->GetESDpid(esdpid1); | |
835 | Double_t esdpid[10]; | |
836 | for(Int_t i=0;i<5;i++) { | |
837 | esdpid[i] = esdpid0[i]; | |
838 | esdpid[5+i] = esdpid1[i]; | |
6a213b59 | 839 | } |
2ff20727 | 840 | the2Prong->SetPID(2,esdpid); |
6a213b59 | 841 | |
6a213b59 | 842 | return the2Prong; |
843 | } | |
844 | //---------------------------------------------------------------------------- | |
845 | AliAODRecoDecayHF3Prong* AliAnalysisVertexingHF::Make3Prong( | |
dcb444c9 | 846 | TObjArray *threeTrackArray,AliVEvent *event, |
847 | AliAODVertex *secVert,Double_t dispersion, | |
848 | AliAODVertex *vertexp1n1,AliAODVertex *vertexp2n1, | |
6a213b59 | 849 | Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2, |
850 | Bool_t &ok3Prong) const | |
851 | { | |
852 | // Make 3Prong candidates and check if they pass Dplus or Ds or Lambdac | |
853 | // reconstruction cuts | |
854 | // E.Bruna, F.Prino | |
855 | ||
dcb444c9 | 856 | |
6a213b59 | 857 | ok3Prong=kFALSE; |
dcb444c9 | 858 | if(!secVert) return 0x0; |
859 | ||
860 | Double_t px[3],py[3],pz[3],d0[3],d0err[3]; | |
861 | Double_t momentum[3]; | |
6a213b59 | 862 | |
6a213b59 | 863 | |
864 | AliESDtrack *postrack1 = (AliESDtrack*)threeTrackArray->UncheckedAt(0); | |
dcb444c9 | 865 | AliESDtrack *negtrack = (AliESDtrack*)threeTrackArray->UncheckedAt(1); |
6a213b59 | 866 | AliESDtrack *postrack2 = (AliESDtrack*)threeTrackArray->UncheckedAt(2); |
867 | ||
dcb444c9 | 868 | postrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); |
869 | negtrack->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
870 | postrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 871 | postrack1->GetPxPyPz(momentum); |
872 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
873 | negtrack->GetPxPyPz(momentum); | |
874 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
875 | postrack2->GetPxPyPz(momentum); | |
876 | px[2] = momentum[0]; py[2] = momentum[1]; pz[2] = momentum[2]; | |
877 | ||
b82f6d67 | 878 | // invariant mass cut for D+, Ds, Lc |
6a213b59 | 879 | Bool_t okMassCut=kFALSE; |
880 | if(!okMassCut && f3Prong) if(SelectInvMass(2,3,px,py,pz)) okMassCut=kTRUE; | |
881 | if(!okMassCut) { | |
dcb444c9 | 882 | AliDebug(2," candidate didn't pass mass cut"); |
6a213b59 | 883 | return 0x0; |
884 | } | |
885 | ||
dcb444c9 | 886 | // primary vertex to be used by this candidate |
2ff20727 | 887 | AliAODVertex *primVertexAOD = PrimaryVertex(threeTrackArray,event); |
dcb444c9 | 888 | if(!primVertexAOD) return 0x0; |
889 | ||
890 | Double_t d0z0[2],covd0z0[3]; | |
891 | postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
892 | d0[0]=d0z0[0]; | |
893 | d0err[0] = TMath::Sqrt(covd0z0[0]); | |
894 | negtrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
895 | d0[1]=d0z0[0]; | |
896 | d0err[1] = TMath::Sqrt(covd0z0[0]); | |
897 | postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
898 | d0[2]=d0z0[0]; | |
899 | d0err[2] = TMath::Sqrt(covd0z0[0]); | |
6a213b59 | 900 | |
6a213b59 | 901 | |
902 | // create the object AliAODRecoDecayHF3Prong | |
dcb444c9 | 903 | Double_t pos[3]; primVertexAOD->GetXYZ(pos); |
6a213b59 | 904 | Double_t dca[3]={dcap1n1,dcap2n1,dcap1p2}; |
dcb444c9 | 905 | 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])); |
906 | 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])); | |
907 | Short_t charge=(Short_t)(postrack1->Charge()*postrack2->Charge()*negtrack->Charge()); | |
908 | AliAODRecoDecayHF3Prong *the3Prong = new AliAODRecoDecayHF3Prong(secVert,px,py,pz,d0,d0err,dca,dispersion,dist12,dist23,charge); | |
6a213b59 | 909 | the3Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 910 | UShort_t id[3]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack->GetID(),(UShort_t)postrack2->GetID()}; |
911 | the3Prong->SetProngIDs(3,id); | |
6a213b59 | 912 | |
913 | ||
b82f6d67 | 914 | // select D+->Kpipi, Ds->KKpi, Lc->pKpi |
915 | if(f3Prong) { | |
916 | ok3Prong = kFALSE; | |
917 | Int_t ok1,ok2; | |
918 | if(the3Prong->SelectDplus(fDplusCuts)) ok3Prong = kTRUE; | |
919 | if(the3Prong->SelectDs(fDsCuts,ok1,ok2)) ok3Prong = kTRUE; | |
920 | if(the3Prong->SelectLc(fLcCuts,ok1,ok2)) ok3Prong = kTRUE; | |
921 | } | |
6a213b59 | 922 | //if(fDebug) printf("ok3Prong: %d\n",(Int_t)ok3Prong); |
dcb444c9 | 923 | |
924 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the3Prong->UnsetOwnPrimaryVtx(); | |
925 | ||
2ff20727 | 926 | // get PID info from ESD |
927 | Double_t esdpid0[5]; | |
928 | postrack1->GetESDpid(esdpid0); | |
929 | Double_t esdpid1[5]; | |
930 | negtrack->GetESDpid(esdpid1); | |
931 | Double_t esdpid2[5]; | |
932 | postrack2->GetESDpid(esdpid2); | |
933 | ||
934 | Double_t esdpid[15]; | |
935 | for(Int_t i=0;i<5;i++) { | |
936 | esdpid[i] = esdpid0[i]; | |
937 | esdpid[5+i] = esdpid1[i]; | |
938 | esdpid[10+i] = esdpid2[i]; | |
6a213b59 | 939 | } |
2ff20727 | 940 | the3Prong->SetPID(3,esdpid); |
6a213b59 | 941 | |
6a213b59 | 942 | return the3Prong; |
943 | } | |
944 | //---------------------------------------------------------------------------- | |
945 | AliAODRecoDecayHF4Prong* AliAnalysisVertexingHF::Make4Prong( | |
dcb444c9 | 946 | TObjArray *fourTrackArray,AliVEvent *event, |
947 | AliAODVertex *secVert, | |
948 | AliAODVertex *vertexp1n1,AliAODVertex *vertexp2n1, | |
6a213b59 | 949 | Double_t dcap1n1,Double_t dcap1n2,Double_t dcap2n1, |
950 | Bool_t &ok4Prong) const | |
951 | { | |
952 | // Make 4Prong candidates and check if they pass D0toKpipipi | |
953 | // reconstruction cuts | |
954 | // G.E.Bruno, R.Romita | |
955 | ||
956 | ok4Prong=kFALSE; | |
dcb444c9 | 957 | if(!secVert) return 0x0; |
6a213b59 | 958 | |
959 | Double_t px[4],py[4],pz[4],d0[4],d0err[4];//d0z[3]; | |
6a213b59 | 960 | |
b82f6d67 | 961 | px[0]=dcap1n1*dcap1n2*dcap2n1; // TO BE CHANGED (done just to removed compilation warning about dca... not used) |
6a213b59 | 962 | |
6a213b59 | 963 | AliESDtrack *postrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(0); |
964 | AliESDtrack *negtrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(1); | |
965 | AliESDtrack *postrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(2); | |
966 | AliESDtrack *negtrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(3); | |
967 | ||
dcb444c9 | 968 | postrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); |
969 | negtrack1->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
970 | postrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
971 | negtrack2->PropagateToDCA(secVert,fBzkG,kVeryBig); | |
6a213b59 | 972 | |
973 | Double_t momentum[3]; | |
974 | postrack1->GetPxPyPz(momentum); | |
975 | px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2]; | |
976 | negtrack1->GetPxPyPz(momentum); | |
977 | px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2]; | |
978 | postrack2->GetPxPyPz(momentum); | |
979 | px[2] = momentum[0]; py[2] = momentum[1]; pz[2] = momentum[2]; | |
980 | negtrack2->GetPxPyPz(momentum); | |
981 | px[3] = momentum[0]; py[3] = momentum[1]; pz[3] = momentum[2]; | |
982 | ||
983 | // invariant mass cut for rho or D0 (try to improve coding here..) | |
984 | //Bool_t okMassCut=kFALSE; | |
985 | //if(!okMassCut) if(SelectInvMass(2,3,px,py,pz)) okMassCut=kTRUE; | |
986 | //if(!okMassCut) { | |
987 | // if(fDebug) printf(" candidate didn't pass mass cut\n"); | |
988 | // return 0x0; | |
989 | //} | |
990 | ||
dcb444c9 | 991 | // primary vertex to be used by this candidate |
2ff20727 | 992 | AliAODVertex *primVertexAOD = PrimaryVertex(fourTrackArray,event); |
dcb444c9 | 993 | if(!primVertexAOD) return 0x0; |
994 | ||
995 | /* | |
996 | Double_t d0z0[2],covd0z0[3]; | |
997 | postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
998 | negtrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
999 | postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1000 | negtrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0); | |
1001 | */ | |
6a213b59 | 1002 | |
1003 | // create the object AliAODRecoDecayHF4Prong | |
dcb444c9 | 1004 | Double_t pos[3]; primVertexAOD->GetXYZ(pos); |
6a213b59 | 1005 | Double_t dca[6]={0.,0.,0.,0.,0.,0.}; // modify it |
dcb444c9 | 1006 | 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])); |
1007 | Double_t dist23=TMath::Sqrt((vertexp2n1->GetX()-pos[0])*(vertexp2n1->GetX()-pos[0])+(vertexp2n1->GetY()-pos[1])*(vertexp2n1->GetY()-pos[1])+(vertexp2n1->GetZ()-pos[2])*(vertexp2n1->GetZ()-pos[2])); | |
6a213b59 | 1008 | Double_t dist14=0.; // to be implemented |
1009 | Double_t dist34=0.; // to be implemented | |
dcb444c9 | 1010 | Short_t charge=0; |
1011 | AliAODRecoDecayHF4Prong *the4Prong = new AliAODRecoDecayHF4Prong(secVert,px,py,pz,d0,d0err,dca,dist12,dist23,dist14,dist34,charge); | |
6a213b59 | 1012 | the4Prong->SetOwnPrimaryVtx(primVertexAOD); |
dcb444c9 | 1013 | UShort_t id[4]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack1->GetID(),(UShort_t)postrack2->GetID(),(UShort_t)negtrack2->GetID()}; |
1014 | the4Prong->SetProngIDs(4,id); | |
6a213b59 | 1015 | |
1016 | ||
1017 | // use the following two lines once AliAODRecoDecayHF4Prong::SelectD0 is available | |
1018 | // select D0->Kpipipi | |
1019 | //Int_t checkD0,checkD0bar; | |
1020 | // ok4Prong=the4Prong->SelectD0(fD04pCuts,checkD0,checkD0bar); | |
1021 | ok4Prong=kFALSE; //for the time being ... | |
1022 | ||
dcb444c9 | 1023 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the4Prong->UnsetOwnPrimaryVtx(); |
6a213b59 | 1024 | |
1025 | // get PID info from ESD | |
1026 | Double_t esdpid0[5]; | |
1027 | postrack1->GetESDpid(esdpid0); | |
1028 | Double_t esdpid1[5]; | |
1029 | negtrack1->GetESDpid(esdpid1); | |
1030 | Double_t esdpid2[5]; | |
1031 | postrack2->GetESDpid(esdpid2); | |
1032 | Double_t esdpid3[5]; | |
1033 | negtrack2->GetESDpid(esdpid3); | |
1034 | ||
1035 | Double_t esdpid[20]; | |
1036 | for(Int_t i=0;i<5;i++) { | |
2ff20727 | 1037 | esdpid[i] = esdpid0[i]; |
1038 | esdpid[5+i] = esdpid1[i]; | |
6a213b59 | 1039 | esdpid[10+i] = esdpid2[i]; |
1040 | esdpid[15+i] = esdpid3[i]; | |
1041 | } | |
1042 | the4Prong->SetPID(4,esdpid); | |
1043 | ||
6a213b59 | 1044 | return the4Prong; |
1045 | } | |
1046 | //----------------------------------------------------------------------------- | |
2ff20727 | 1047 | AliAODVertex* AliAnalysisVertexingHF::PrimaryVertex(TObjArray *trkArray, |
1048 | AliVEvent *event) const | |
6a213b59 | 1049 | { |
2ff20727 | 1050 | // Returns primary vertex to be used for this candidate |
6a213b59 | 1051 | |
dcb444c9 | 1052 | AliESDVertex *vertexESD = 0; |
1053 | AliAODVertex *vertexAOD = 0; | |
1054 | ||
dcb444c9 | 1055 | |
1056 | if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) { | |
1057 | // primary vertex from the input event | |
1058 | ||
1059 | vertexESD = new AliESDVertex(*fV1); | |
1060 | ||
1061 | } else { | |
1062 | // primary vertex specific to this candidate | |
1063 | ||
2ff20727 | 1064 | Int_t nTrks = trkArray->GetEntriesFast(); |
dcb444c9 | 1065 | AliVertexerTracks *vertexer = new AliVertexerTracks(event->GetMagneticField()); |
1066 | ||
1067 | if(fRecoPrimVtxSkippingTrks) { | |
1068 | // recalculating the vertex | |
1069 | ||
1070 | if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraint")) { | |
1071 | Float_t diamondcovxy[3]; | |
1072 | event->GetDiamondCovXY(diamondcovxy); | |
1073 | Double_t pos[3]={event->GetDiamondX(),event->GetDiamondY(),0.}; | |
1074 | Double_t cov[6]={diamondcovxy[0],diamondcovxy[1],diamondcovxy[2],0.,0.,10.}; | |
1075 | AliESDVertex *diamond = new AliESDVertex(pos,cov,1.,1); | |
1076 | vertexer->SetVtxStart(diamond); | |
1077 | delete diamond; diamond=NULL; | |
1078 | if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraintOnlyFitter")) | |
1079 | vertexer->SetOnlyFitter(); | |
1080 | } | |
1081 | Int_t skipped[10]; | |
e18fbfa7 | 1082 | Int_t nTrksToSkip=0,id; |
1083 | AliExternalTrackParam *t = 0; | |
dcb444c9 | 1084 | for(Int_t i=0; i<nTrks; i++) { |
e18fbfa7 | 1085 | t = (AliExternalTrackParam*)trkArray->UncheckedAt(i); |
1086 | id = (Int_t)t->GetID(); | |
1087 | if(id<0) continue; | |
1088 | skipped[nTrksToSkip++] = id; | |
dcb444c9 | 1089 | } |
e18fbfa7 | 1090 | vertexer->SetSkipTracks(nTrksToSkip,skipped); |
dcb444c9 | 1091 | vertexESD = (AliESDVertex*)vertexer->FindPrimaryVertex(event); |
1092 | ||
1093 | } else if(fRmTrksFromPrimVtx) { | |
1094 | // removing the prongs tracks | |
1095 | ||
1096 | TObjArray rmArray(nTrks); | |
1097 | UShort_t *rmId = new UShort_t[nTrks]; | |
1098 | AliESDtrack *esdTrack = 0; | |
1099 | AliESDtrack *t = 0; | |
1100 | for(Int_t i=0; i<nTrks; i++) { | |
1101 | t = (AliESDtrack*)trkArray->UncheckedAt(i); | |
1102 | esdTrack = new AliESDtrack(*t); | |
1103 | rmArray.AddLast(esdTrack); | |
2ff20727 | 1104 | if(esdTrack->GetID()>=0) { |
1105 | rmId[i]=(UShort_t)esdTrack->GetID(); | |
1106 | } else { | |
1107 | rmId[i]=9999; | |
1108 | } | |
dcb444c9 | 1109 | } |
1110 | Float_t diamondxy[2]={event->GetDiamondX(),event->GetDiamondY()}; | |
1111 | vertexESD = vertexer->RemoveTracksFromVertex(fV1,&rmArray,rmId,diamondxy); | |
1112 | delete [] rmId; rmId=NULL; | |
1113 | rmArray.Delete(); | |
1114 | ||
6a213b59 | 1115 | } |
6a213b59 | 1116 | |
dcb444c9 | 1117 | if(!vertexESD) return vertexAOD; |
1118 | if(vertexESD->GetNContributors()<=0) { | |
1119 | AliDebug(2,"vertexing failed"); | |
1120 | delete vertexESD; vertexESD=NULL; | |
1121 | return vertexAOD; | |
6a213b59 | 1122 | } |
dcb444c9 | 1123 | |
1124 | delete vertexer; vertexer=NULL; | |
1125 | ||
6a213b59 | 1126 | } |
1127 | ||
dcb444c9 | 1128 | // convert to AliAODVertex |
1129 | Double_t pos[3],cov[6],chi2perNDF; | |
1130 | vertexESD->GetXYZ(pos); // position | |
1131 | vertexESD->GetCovMatrix(cov); //covariance matrix | |
1132 | chi2perNDF = vertexESD->GetChi2toNDF(); | |
1133 | delete vertexESD; vertexESD=NULL; | |
1134 | ||
1135 | vertexAOD = new AliAODVertex(pos,cov,chi2perNDF); | |
6a213b59 | 1136 | |
dcb444c9 | 1137 | return vertexAOD; |
6a213b59 | 1138 | } |
1139 | //----------------------------------------------------------------------------- | |
1140 | void AliAnalysisVertexingHF::PrintStatus() const { | |
1141 | // Print parameters being used | |
1142 | ||
f8fa4595 | 1143 | //printf("Preselections:\n"); |
1144 | // fTrackFilter->Dump(); | |
4d5c9633 | 1145 | if(fSecVtxWithKF) { |
1146 | printf("Secondary vertex with Kalman filter package (AliKFParticle)\n"); | |
1147 | } else { | |
1148 | printf("Secondary vertex with AliVertexerTracks\n"); | |
1149 | } | |
6a213b59 | 1150 | if(fRecoPrimVtxSkippingTrks) printf("RecoPrimVtxSkippingTrks\n"); |
1151 | if(fRmTrksFromPrimVtx) printf("RmTrksFromPrimVtx\n"); | |
1152 | if(fD0toKpi) { | |
1153 | printf("Reconstruct D0->Kpi candidates with cuts:\n"); | |
1154 | printf(" |M-MD0| [GeV] < %f\n",fD0toKpiCuts[0]); | |
1155 | printf(" dca [cm] < %f\n",fD0toKpiCuts[1]); | |
1156 | printf(" cosThetaStar < %f\n",fD0toKpiCuts[2]); | |
1157 | printf(" pTK [GeV/c] > %f\n",fD0toKpiCuts[3]); | |
1158 | printf(" pTpi [GeV/c] > %f\n",fD0toKpiCuts[4]); | |
1159 | printf(" |d0K| [cm] < %f\n",fD0toKpiCuts[5]); | |
1160 | printf(" |d0pi| [cm] < %f\n",fD0toKpiCuts[6]); | |
1161 | printf(" d0d0 [cm^2] < %f\n",fD0toKpiCuts[7]); | |
1162 | printf(" cosThetaPoint > %f\n",fD0toKpiCuts[8]); | |
1163 | } | |
2ff20727 | 1164 | if(fDstar) { |
1165 | printf(" |M-MD*| [GeV] < %f\n",fDstarCuts[0]); | |
1166 | printf(" |M_Kpipi-M_Kpi-(MD*-MD0)| [GeV] < %f\n",fDstarCuts[1]); | |
1167 | printf(" pTpisoft [GeV/c] > %f\n",fDstarCuts[2]); | |
1168 | printf(" pTpisoft [GeV/c] < %f\n",fDstarCuts[3]); | |
1169 | printf(" Theta(pisoft,D0plane) < %f\n",fDstarCuts[4]); | |
1170 | printf("Reconstruct D*->D0pi candidates with cuts:\n"); | |
1171 | printf(" D0 from D* cuts:\n"); | |
1172 | printf(" |M-MD0| [GeV] < %f\n",fD0fromDstarCuts[0]); | |
1173 | printf(" dca [cm] < %f\n",fD0fromDstarCuts[1]); | |
1174 | printf(" cosThetaStar < %f\n",fD0fromDstarCuts[2]); | |
1175 | printf(" pTK [GeV/c] > %f\n",fD0fromDstarCuts[3]); | |
1176 | printf(" pTpi [GeV/c] > %f\n",fD0fromDstarCuts[4]); | |
1177 | printf(" |d0K| [cm] < %f\n",fD0fromDstarCuts[5]); | |
1178 | printf(" |d0pi| [cm] < %f\n",fD0fromDstarCuts[6]); | |
1179 | printf(" d0d0 [cm^2] < %f\n",fD0fromDstarCuts[7]); | |
1180 | printf(" cosThetaPoint > %f\n",fD0fromDstarCuts[8]); | |
1181 | } | |
6a213b59 | 1182 | if(fJPSItoEle) { |
1183 | printf("Reconstruct J/psi from B candidates with cuts:\n"); | |
1184 | printf(" |M-MJPSI| [GeV] < %f\n",fBtoJPSICuts[0]); | |
1185 | printf(" dca [cm] < %f\n",fBtoJPSICuts[1]); | |
1186 | printf(" cosThetaStar < %f\n",fBtoJPSICuts[2]); | |
1187 | printf(" pTP [GeV/c] > %f\n",fBtoJPSICuts[3]); | |
1188 | printf(" pTN [GeV/c] > %f\n",fBtoJPSICuts[4]); | |
1189 | printf(" |d0P| [cm] < %f\n",fBtoJPSICuts[5]); | |
1190 | printf(" |d0N| [cm] < %f\n",fBtoJPSICuts[6]); | |
1191 | printf(" d0d0 [cm^2] < %f\n",fBtoJPSICuts[7]); | |
1192 | printf(" cosThetaPoint > %f\n",fBtoJPSICuts[8]); | |
1193 | } | |
1194 | if(f3Prong) { | |
1195 | printf("Reconstruct 3 prong candidates.\n"); | |
4d5c9633 | 1196 | printf(" D+->Kpipi cuts:\n"); |
6a213b59 | 1197 | printf(" |M-MD+| [GeV] < %f\n",fDplusCuts[0]); |
1198 | printf(" pTK [GeV/c] > %f\n",fDplusCuts[1]); | |
1199 | printf(" pTPi [GeV/c] > %f\n",fDplusCuts[2]); | |
1200 | printf(" |d0K| [cm] > %f\n",fDplusCuts[3]); | |
1201 | printf(" |d0Pi| [cm] > %f\n",fDplusCuts[4]); | |
1202 | printf(" dist12 [cm] < %f\n",fDplusCuts[5]); | |
1203 | printf(" sigmavert [cm] < %f\n",fDplusCuts[6]); | |
1204 | printf(" dist prim-sec [cm] > %f\n",fDplusCuts[7]); | |
1205 | printf(" pM=Max{pT1,pT2,pT3} [GeV/c] > %f\n",fDplusCuts[8]); | |
1206 | printf(" cosThetaPoint > %f\n",fDplusCuts[9]); | |
1207 | printf(" Sum d0^2 [cm^2] > %f\n",fDplusCuts[10]); | |
1208 | printf(" dca cut [cm] < %f\n",fDplusCuts[11]); | |
4d5c9633 | 1209 | printf(" Ds->KKpi cuts:\n"); |
1210 | printf(" |M-MDs| [GeV] < %f\n",fDsCuts[0]); | |
81679460 | 1211 | printf(" pTK [GeV/c] > %f\n",fDsCuts[1]); |
1212 | printf(" pTPi [GeV/c] > %f\n",fDsCuts[2]); | |
1213 | printf(" |d0K| [cm] > %f\n",fDsCuts[3]); | |
1214 | printf(" |d0Pi| [cm] > %f\n",fDsCuts[4]); | |
1215 | printf(" dist12 [cm] < %f\n",fDsCuts[5]); | |
1216 | printf(" sigmavert [cm] < %f\n",fDsCuts[6]); | |
1217 | printf(" dist prim-sec [cm] > %f\n",fDsCuts[7]); | |
1218 | printf(" pM=Max{pT1,pT2,pT3} [GeV/c] > %f\n",fDsCuts[8]); | |
1219 | printf(" cosThetaPoint > %f\n",fDsCuts[9]); | |
1220 | printf(" Sum d0^2 [cm^2] > %f\n",fDsCuts[10]); | |
1221 | printf(" dca cut [cm] < %f\n",fDsCuts[11]); | |
1222 | printf(" Inv. Mass phi/K0* [GeV] < %f\n",fDsCuts[12]); | |
6ea608bf | 1223 | printf(" Lc->pKpi cuts:\n"); |
1224 | printf(" |M-MLc| [GeV] < %f\n",fLcCuts[0]); | |
81679460 | 1225 | printf(" pTP [GeV/c] > %f\n",fLcCuts[1]); |
1226 | printf(" pTPi and pTK [GeV/c] > %f\n",fLcCuts[2]); | |
1227 | printf(" |d0P| [cm] > %f\n",fLcCuts[3]); | |
1228 | printf(" |d0Pi| and |d0K| [cm] > %f\n",fLcCuts[4]); | |
1229 | printf(" dist12 [cm] < %f\n",fLcCuts[5]); | |
1230 | printf(" sigmavert [cm] < %f\n",fLcCuts[6]); | |
1231 | printf(" dist prim-sec [cm] > %f\n",fLcCuts[7]); | |
1232 | printf(" pM=Max{pT1,pT2,pT3} [GeV/c] > %f\n",fLcCuts[8]); | |
1233 | printf(" cosThetaPoint > %f\n",fLcCuts[9]); | |
1234 | printf(" Sum d0^2 [cm^2] > %f\n",fLcCuts[10]); | |
1235 | printf(" dca cut [cm] < %f\n",fLcCuts[11]); | |
6a213b59 | 1236 | } |
1237 | ||
1238 | return; | |
1239 | } | |
1240 | //----------------------------------------------------------------------------- | |
dcb444c9 | 1241 | AliAODVertex* AliAnalysisVertexingHF::ReconstructSecondaryVertex(TObjArray *trkArray, |
dcfa35b3 | 1242 | Double_t &dispersion,Bool_t useTRefArray) const |
dcb444c9 | 1243 | { |
1244 | // Secondary vertex reconstruction with AliVertexerTracks or AliKFParticle | |
1245 | ||
1246 | AliESDVertex *vertexESD = 0; | |
1247 | AliAODVertex *vertexAOD = 0; | |
1248 | ||
1249 | if(!fSecVtxWithKF) { // AliVertexerTracks | |
1250 | ||
1251 | AliVertexerTracks *vertexer = new AliVertexerTracks(fBzkG); | |
1252 | vertexer->SetVtxStart(fV1); | |
1253 | vertexESD = (AliESDVertex*)vertexer->VertexForSelectedESDTracks(trkArray); | |
1254 | delete vertexer; vertexer=NULL; | |
1255 | ||
1256 | if(!vertexESD) return vertexAOD; | |
1257 | ||
1258 | if(vertexESD->GetNContributors()!=trkArray->GetEntriesFast()) { | |
1259 | AliDebug(2,"vertexing failed"); | |
1260 | delete vertexESD; vertexESD=NULL; | |
1261 | return vertexAOD; | |
1262 | } | |
1263 | ||
1264 | } else { // Kalman Filter vertexer (AliKFParticle) | |
1265 | ||
1266 | AliKFParticle::SetField(fBzkG); | |
1267 | ||
a353d2e4 | 1268 | AliKFVertex vertexKF; |
dcb444c9 | 1269 | |
1270 | Int_t nTrks = trkArray->GetEntriesFast(); | |
1271 | for(Int_t i=0; i<nTrks; i++) { | |
1272 | AliESDtrack *esdTrack = (AliESDtrack*)trkArray->At(i); | |
1273 | AliKFParticle daughterKF(*esdTrack,211); | |
1274 | vertexKF.AddDaughter(daughterKF); | |
1275 | } | |
a353d2e4 | 1276 | vertexESD = new AliESDVertex(vertexKF.Parameters(), |
1277 | vertexKF.CovarianceMatrix(), | |
1278 | vertexKF.GetChi2(), | |
1279 | vertexKF.GetNContributors()); | |
dcb444c9 | 1280 | |
1281 | } | |
1282 | ||
1283 | // convert to AliAODVertex | |
1284 | Double_t pos[3],cov[6],chi2perNDF; | |
1285 | vertexESD->GetXYZ(pos); // position | |
1286 | vertexESD->GetCovMatrix(cov); //covariance matrix | |
1287 | chi2perNDF = vertexESD->GetChi2toNDF(); | |
1288 | dispersion = vertexESD->GetDispersion(); | |
1289 | delete vertexESD; vertexESD=NULL; | |
1290 | ||
dcfa35b3 | 1291 | Int_t nprongs= (useTRefArray ? 0 : trkArray->GetEntriesFast()); |
1292 | vertexAOD = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,nprongs); | |
dcb444c9 | 1293 | |
1294 | return vertexAOD; | |
1295 | } | |
1296 | //----------------------------------------------------------------------------- | |
6a213b59 | 1297 | Bool_t AliAnalysisVertexingHF::SelectInvMass(Int_t decay, |
1298 | Int_t nprongs, | |
1299 | Double_t *px, | |
1300 | Double_t *py, | |
1301 | Double_t *pz) const { | |
1302 | // Check invariant mass cut | |
1303 | ||
1304 | Short_t dummycharge=0; | |
1305 | Double_t *dummyd0 = new Double_t[nprongs]; | |
b056c5e3 | 1306 | for(Int_t ip=0;ip<nprongs;ip++) dummyd0[ip]=0.; |
6a213b59 | 1307 | AliAODRecoDecay *rd = new AliAODRecoDecay(0x0,nprongs,dummycharge,px,py,pz,dummyd0); |
1308 | delete [] dummyd0; | |
1309 | ||
1310 | UInt_t pdg2[2],pdg3[3]; | |
1311 | Double_t mPDG,minv; | |
1312 | ||
1313 | Bool_t retval=kFALSE; | |
1314 | switch (decay) | |
1315 | { | |
1316 | case 0: // D0->Kpi | |
1317 | pdg2[0]=211; pdg2[1]=321; | |
1318 | mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
1319 | minv = rd->InvMass(nprongs,pdg2); | |
1320 | if(TMath::Abs(minv-mPDG)<fD0toKpiCuts[0]) retval=kTRUE; | |
1321 | pdg2[0]=321; pdg2[1]=211; | |
1322 | minv = rd->InvMass(nprongs,pdg2); | |
1323 | if(TMath::Abs(minv-mPDG)<fD0toKpiCuts[0]) retval=kTRUE; | |
1324 | break; | |
1325 | case 1: // JPSI->ee | |
1326 | pdg2[0]=11; pdg2[1]=11; | |
1327 | mPDG=TDatabasePDG::Instance()->GetParticle(443)->Mass(); | |
1328 | minv = rd->InvMass(nprongs,pdg2); | |
1329 | if(TMath::Abs(minv-mPDG)<fBtoJPSICuts[0]) retval=kTRUE; | |
1330 | break; | |
1331 | case 2: // D+->Kpipi | |
1332 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=211; | |
1333 | mPDG=TDatabasePDG::Instance()->GetParticle(411)->Mass(); | |
1334 | minv = rd->InvMass(nprongs,pdg3); | |
1335 | if(TMath::Abs(minv-mPDG)<fDplusCuts[0]) retval=kTRUE; | |
b82f6d67 | 1336 | // Ds+->KKpi |
1337 | pdg3[0]=321; pdg3[1]=321; pdg3[2]=211; | |
1338 | mPDG=TDatabasePDG::Instance()->GetParticle(431)->Mass(); | |
1339 | minv = rd->InvMass(nprongs,pdg3); | |
1340 | if(TMath::Abs(minv-mPDG)<fDsCuts[0]) retval=kTRUE; | |
1341 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=321; | |
1342 | minv = rd->InvMass(nprongs,pdg3); | |
1343 | if(TMath::Abs(minv-mPDG)<fDsCuts[0]) retval=kTRUE; | |
1344 | // Lc->pKpi | |
1345 | pdg3[0]=2212; pdg3[1]=321; pdg3[2]=211; | |
1346 | mPDG=TDatabasePDG::Instance()->GetParticle(4122)->Mass(); | |
1347 | minv = rd->InvMass(nprongs,pdg3); | |
1348 | if(TMath::Abs(minv-mPDG)<fLcCuts[0]) retval=kTRUE; | |
1349 | pdg3[0]=211; pdg3[1]=321; pdg3[2]=2212; | |
1350 | minv = rd->InvMass(nprongs,pdg3); | |
1351 | if(TMath::Abs(minv-mPDG)<fLcCuts[0]) retval=kTRUE; | |
6a213b59 | 1352 | break; |
2ff20727 | 1353 | case 3: // D*->D0pi |
1354 | pdg2[0]=421; pdg2[1]=211; | |
1355 | mPDG=TDatabasePDG::Instance()->GetParticle(413)->Mass(); | |
1356 | minv = rd->InvMass(nprongs,pdg2); | |
1357 | if(TMath::Abs(minv-mPDG)<fDstarCuts[0]) retval=kTRUE; | |
1358 | break; | |
6a213b59 | 1359 | default: |
2ff20727 | 1360 | printf("SelectInvMass(): wrong decay selection\n"); |
6a213b59 | 1361 | break; |
1362 | } | |
1363 | ||
1364 | delete rd; | |
1365 | ||
1366 | return retval; | |
1367 | } | |
1368 | //----------------------------------------------------------------------------- | |
dcb444c9 | 1369 | void AliAnalysisVertexingHF::SelectTracksAndCopyVertex(AliVEvent *event, |
2ff20727 | 1370 | TObjArray &seleTrksArray,Int_t &nSeleTrks, |
1371 | UChar_t *seleFlags) | |
6a213b59 | 1372 | { |
2ff20727 | 1373 | // Apply single-track preselection. |
1374 | // Fill a TObjArray with selected tracks (for displaced vertices or | |
1375 | // soft pion from D*). Selection flag stored in seleFlags. | |
dcb444c9 | 1376 | // Create the AliESDVertex object (convert from AliAODVertex if necessary) |
1377 | // In case of AOD input, also fill fAODMap for track index<->ID | |
1378 | ||
1379 | const AliVVertex *vprimary = event->GetPrimaryVertex(); | |
1380 | ||
1381 | if(fV1) { delete fV1; fV1=NULL; } | |
1382 | if(fAODMap) { delete [] fAODMap; fAODMap=NULL; } | |
1383 | ||
1384 | Int_t nindices=0; | |
1385 | UShort_t *indices = 0; | |
1386 | Double_t pos[3],cov[6]; | |
1387 | ||
1388 | if(!fInputAOD) { // ESD | |
1389 | fV1 = new AliESDVertex(*((AliESDVertex*)vprimary)); | |
1390 | } else { // AOD | |
1391 | vprimary->GetXYZ(pos); | |
1392 | vprimary->GetCovarianceMatrix(cov); | |
1393 | fV1 = new AliESDVertex(pos,cov,100.,100,vprimary->GetName()); | |
1394 | indices = new UShort_t[event->GetNumberOfTracks()]; | |
1395 | fAODMap = new Int_t[100000]; | |
1396 | } | |
1397 | ||
1398 | ||
dcb444c9 | 1399 | Int_t entries = (Int_t)event->GetNumberOfTracks(); |
2ff20727 | 1400 | Bool_t okDisplaced=kFALSE,okSoftPi=kFALSE; |
1401 | nSeleTrks=0; | |
6a213b59 | 1402 | |
dcb444c9 | 1403 | // transfer ITS tracks from event to arrays |
6a213b59 | 1404 | for(Int_t i=0; i<entries; i++) { |
dcb444c9 | 1405 | AliVTrack *track = (AliVTrack*)event->GetTrack(i); |
1406 | ||
1407 | if(fInputAOD) { | |
1408 | AliAODTrack *aodt = (AliAODTrack*)track; | |
1409 | if(aodt->GetUsedForPrimVtxFit()) { | |
1410 | indices[nindices]=aodt->GetID(); nindices++; | |
1411 | } | |
1412 | fAODMap[(Int_t)aodt->GetID()] = i; | |
1413 | } | |
6a213b59 | 1414 | |
dcb444c9 | 1415 | AliESDtrack *esdt = 0; |
1416 | if(!fInputAOD) { | |
1417 | esdt = (AliESDtrack*)track; | |
1418 | } else { | |
1419 | esdt = new AliESDtrack(track); | |
1420 | } | |
6a213b59 | 1421 | |
1422 | // single track selection | |
2ff20727 | 1423 | okDisplaced=kFALSE; okSoftPi=kFALSE; |
1424 | if(SingleTrkCuts(esdt,okDisplaced,okSoftPi)) { | |
1425 | seleTrksArray.AddLast(esdt); | |
1426 | seleFlags[nSeleTrks]=0; | |
1427 | if(okDisplaced) SETBIT(seleFlags[nSeleTrks],kBitDispl); | |
1428 | if(okSoftPi) SETBIT(seleFlags[nSeleTrks],kBitSoftPi); | |
1429 | nSeleTrks++; | |
1430 | } else { | |
dcb444c9 | 1431 | if(fInputAOD) delete esdt; |
1432 | esdt = NULL; | |
1433 | continue; | |
2ff20727 | 1434 | } |
6a213b59 | 1435 | |
dcb444c9 | 1436 | } // end loop on tracks |
1437 | ||
1438 | // primary vertex from AOD | |
1439 | if(fInputAOD) { | |
1440 | delete fV1; fV1=NULL; | |
1441 | vprimary->GetXYZ(pos); | |
1442 | vprimary->GetCovarianceMatrix(cov); | |
1443 | Double_t chi2toNDF = vprimary->GetChi2perNDF(); | |
1444 | Int_t ncontr=nindices; | |
a6e0ebfe | 1445 | if(!strcmp(vprimary->GetTitle(),"VertexerTracksWithContraint")) ncontr += 1; |
dcb444c9 | 1446 | Double_t chi2=chi2toNDF*(2.*(Double_t)ncontr-3.); |
1447 | fV1 = new AliESDVertex(pos,cov,chi2,ncontr,vprimary->GetName()); | |
1448 | fV1->SetTitle(vprimary->GetTitle()); | |
1449 | fV1->SetIndices(nindices,indices); | |
1450 | } | |
1451 | if(indices) { delete [] indices; indices=NULL; } | |
1452 | ||
6a213b59 | 1453 | |
1454 | return; | |
1455 | } | |
1456 | //----------------------------------------------------------------------------- | |
1457 | void AliAnalysisVertexingHF::SetD0toKpiCuts(Double_t cut0,Double_t cut1, | |
1458 | Double_t cut2,Double_t cut3,Double_t cut4, | |
1459 | Double_t cut5,Double_t cut6, | |
1460 | Double_t cut7,Double_t cut8) | |
1461 | { | |
1462 | // Set the cuts for D0 selection | |
1463 | fD0toKpiCuts[0] = cut0; | |
1464 | fD0toKpiCuts[1] = cut1; | |
1465 | fD0toKpiCuts[2] = cut2; | |
1466 | fD0toKpiCuts[3] = cut3; | |
1467 | fD0toKpiCuts[4] = cut4; | |
1468 | fD0toKpiCuts[5] = cut5; | |
1469 | fD0toKpiCuts[6] = cut6; | |
1470 | fD0toKpiCuts[7] = cut7; | |
1471 | fD0toKpiCuts[8] = cut8; | |
1472 | ||
1473 | return; | |
1474 | } | |
1475 | //----------------------------------------------------------------------------- | |
1476 | void AliAnalysisVertexingHF::SetD0toKpiCuts(const Double_t cuts[9]) | |
1477 | { | |
1478 | // Set the cuts for D0 selection | |
1479 | ||
1480 | for(Int_t i=0; i<9; i++) fD0toKpiCuts[i] = cuts[i]; | |
1481 | ||
1482 | return; | |
1483 | } | |
1484 | //----------------------------------------------------------------------------- | |
2ff20727 | 1485 | void AliAnalysisVertexingHF::SetD0fromDstarCuts(Double_t cut0,Double_t cut1, |
1486 | Double_t cut2,Double_t cut3,Double_t cut4, | |
1487 | Double_t cut5,Double_t cut6, | |
1488 | Double_t cut7,Double_t cut8) | |
1489 | { | |
1490 | // Set the cuts for D0 from D* selection | |
1491 | fD0fromDstarCuts[0] = cut0; | |
1492 | fD0fromDstarCuts[1] = cut1; | |
1493 | fD0fromDstarCuts[2] = cut2; | |
1494 | fD0fromDstarCuts[3] = cut3; | |
1495 | fD0fromDstarCuts[4] = cut4; | |
1496 | fD0fromDstarCuts[5] = cut5; | |
1497 | fD0fromDstarCuts[6] = cut6; | |
1498 | fD0fromDstarCuts[7] = cut7; | |
1499 | fD0fromDstarCuts[8] = cut8; | |
1500 | ||
1501 | return; | |
1502 | } | |
1503 | //----------------------------------------------------------------------------- | |
1504 | void AliAnalysisVertexingHF::SetD0fromDstarCuts(const Double_t cuts[9]) | |
1505 | { | |
1506 | // Set the cuts for D0 from D* selection | |
1507 | ||
1508 | for(Int_t i=0; i<9; i++) fD0fromDstarCuts[i] = cuts[i]; | |
1509 | ||
1510 | return; | |
1511 | } | |
1512 | //----------------------------------------------------------------------------- | |
1513 | void AliAnalysisVertexingHF::SetDstarCuts(Double_t cut0,Double_t cut1, | |
1514 | Double_t cut2,Double_t cut3, | |
1515 | Double_t cut4) | |
1516 | { | |
1517 | // Set the cuts for D* selection | |
1518 | fDstarCuts[0] = cut0; | |
1519 | fDstarCuts[1] = cut1; | |
1520 | fDstarCuts[2] = cut2; | |
1521 | fDstarCuts[3] = cut3; | |
1522 | fDstarCuts[4] = cut4; | |
1523 | ||
1524 | return; | |
1525 | } | |
1526 | //----------------------------------------------------------------------------- | |
1527 | void AliAnalysisVertexingHF::SetDstarCuts(const Double_t cuts[5]) | |
1528 | { | |
1529 | // Set the cuts for D* selection | |
1530 | ||
1531 | for(Int_t i=0; i<5; i++) fDstarCuts[i] = cuts[i]; | |
1532 | ||
1533 | return; | |
1534 | } | |
1535 | //----------------------------------------------------------------------------- | |
6a213b59 | 1536 | void AliAnalysisVertexingHF::SetBtoJPSICuts(Double_t cut0,Double_t cut1, |
1537 | Double_t cut2,Double_t cut3,Double_t cut4, | |
1538 | Double_t cut5,Double_t cut6, | |
1539 | Double_t cut7,Double_t cut8) | |
1540 | { | |
1541 | // Set the cuts for J/psi from B selection | |
1542 | fBtoJPSICuts[0] = cut0; | |
1543 | fBtoJPSICuts[1] = cut1; | |
1544 | fBtoJPSICuts[2] = cut2; | |
1545 | fBtoJPSICuts[3] = cut3; | |
1546 | fBtoJPSICuts[4] = cut4; | |
1547 | fBtoJPSICuts[5] = cut5; | |
1548 | fBtoJPSICuts[6] = cut6; | |
1549 | fBtoJPSICuts[7] = cut7; | |
1550 | fBtoJPSICuts[8] = cut8; | |
1551 | ||
1552 | return; | |
1553 | } | |
1554 | //----------------------------------------------------------------------------- | |
1555 | void AliAnalysisVertexingHF::SetBtoJPSICuts(const Double_t cuts[9]) | |
1556 | { | |
1557 | // Set the cuts for J/psi from B selection | |
1558 | ||
1559 | for(Int_t i=0; i<9; i++) fBtoJPSICuts[i] = cuts[i]; | |
1560 | ||
1561 | return; | |
1562 | } | |
1563 | //----------------------------------------------------------------------------- | |
1564 | void AliAnalysisVertexingHF::SetDplusCuts(Double_t cut0,Double_t cut1, | |
1565 | Double_t cut2,Double_t cut3,Double_t cut4, | |
1566 | Double_t cut5,Double_t cut6, | |
1567 | Double_t cut7,Double_t cut8, | |
1568 | Double_t cut9,Double_t cut10,Double_t cut11) | |
1569 | { | |
1570 | // Set the cuts for Dplus->Kpipi selection | |
1571 | fDplusCuts[0] = cut0; | |
1572 | fDplusCuts[1] = cut1; | |
1573 | fDplusCuts[2] = cut2; | |
1574 | fDplusCuts[3] = cut3; | |
1575 | fDplusCuts[4] = cut4; | |
1576 | fDplusCuts[5] = cut5; | |
1577 | fDplusCuts[6] = cut6; | |
1578 | fDplusCuts[7] = cut7; | |
1579 | fDplusCuts[8] = cut8; | |
1580 | fDplusCuts[9] = cut9; | |
1581 | fDplusCuts[10] = cut10; | |
1582 | fDplusCuts[11] = cut11; | |
1583 | ||
1584 | return; | |
1585 | } | |
1586 | //----------------------------------------------------------------------------- | |
1587 | void AliAnalysisVertexingHF::SetDplusCuts(const Double_t cuts[12]) | |
1588 | { | |
b82f6d67 | 1589 | // Set the cuts for Dplus->Kpipi selection |
6a213b59 | 1590 | |
1591 | for(Int_t i=0; i<12; i++) fDplusCuts[i] = cuts[i]; | |
1592 | ||
1593 | return; | |
1594 | } | |
1595 | //----------------------------------------------------------------------------- | |
6ea608bf | 1596 | void AliAnalysisVertexingHF::SetDsCuts(Double_t cut0,Double_t cut1, |
1597 | Double_t cut2,Double_t cut3,Double_t cut4, | |
1598 | Double_t cut5,Double_t cut6, | |
1599 | Double_t cut7,Double_t cut8, | |
81679460 | 1600 | Double_t cut9,Double_t cut10, |
1601 | Double_t cut11,Double_t cut12) | |
b82f6d67 | 1602 | { |
1603 | // Set the cuts for Ds->KKpi selection | |
1604 | fDsCuts[0] = cut0; | |
6ea608bf | 1605 | fDsCuts[1] = cut1; |
1606 | fDsCuts[2] = cut2; | |
1607 | fDsCuts[3] = cut3; | |
1608 | fDsCuts[4] = cut4; | |
1609 | fDsCuts[5] = cut5; | |
1610 | fDsCuts[6] = cut6; | |
1611 | fDsCuts[7] = cut7; | |
1612 | fDsCuts[8] = cut8; | |
1613 | fDsCuts[9] = cut9; | |
1614 | fDsCuts[10] = cut10; | |
1615 | fDsCuts[11] = cut11; | |
81679460 | 1616 | fDsCuts[12] = cut12; |
b82f6d67 | 1617 | |
1618 | return; | |
1619 | } | |
1620 | //----------------------------------------------------------------------------- | |
81679460 | 1621 | void AliAnalysisVertexingHF::SetDsCuts(const Double_t cuts[13]) |
b82f6d67 | 1622 | { |
1623 | // Set the cuts for Ds->KKpi selection | |
1624 | ||
81679460 | 1625 | for(Int_t i=0; i<13; i++) fDsCuts[i] = cuts[i]; |
b82f6d67 | 1626 | |
1627 | return; | |
1628 | } | |
1629 | //----------------------------------------------------------------------------- | |
6ea608bf | 1630 | void AliAnalysisVertexingHF::SetLcCuts(Double_t cut0,Double_t cut1, |
1631 | Double_t cut2,Double_t cut3,Double_t cut4, | |
1632 | Double_t cut5,Double_t cut6, | |
1633 | Double_t cut7,Double_t cut8, | |
1634 | Double_t cut9,Double_t cut10,Double_t cut11) | |
b82f6d67 | 1635 | { |
1636 | // Set the cuts for Lc->pKpi selection | |
1637 | fLcCuts[0] = cut0; | |
6ea608bf | 1638 | fLcCuts[1] = cut1; |
1639 | fLcCuts[2] = cut2; | |
1640 | fLcCuts[3] = cut3; | |
1641 | fLcCuts[4] = cut4; | |
1642 | fLcCuts[5] = cut5; | |
1643 | fLcCuts[6] = cut6; | |
1644 | fLcCuts[7] = cut7; | |
1645 | fLcCuts[8] = cut8; | |
1646 | fLcCuts[9] = cut9; | |
1647 | fLcCuts[10] = cut10; | |
1648 | fLcCuts[11] = cut11; | |
b82f6d67 | 1649 | |
1650 | return; | |
1651 | } | |
1652 | //----------------------------------------------------------------------------- | |
6ea608bf | 1653 | void AliAnalysisVertexingHF::SetLcCuts(const Double_t cuts[12]) |
b82f6d67 | 1654 | { |
1655 | // Set the cuts for Lc->pKpi selection | |
1656 | ||
6ea608bf | 1657 | for(Int_t i=0; i<12; i++) fLcCuts[i] = cuts[i]; |
b82f6d67 | 1658 | |
1659 | return; | |
1660 | } | |
1661 | //----------------------------------------------------------------------------- | |
2ff20727 | 1662 | Bool_t AliAnalysisVertexingHF::SingleTrkCuts(AliESDtrack *trk, |
1663 | Bool_t &okDisplaced,Bool_t &okSoftPi) const | |
6a213b59 | 1664 | { |
1665 | // Check if track passes some kinematical cuts | |
6a213b59 | 1666 | |
f8fa4595 | 1667 | // this is needed to store the impact parameters |
1668 | trk->RelateToVertex(fV1,fBzkG,kVeryBig); | |
1669 | ||
2ff20727 | 1670 | UInt_t selectInfo; |
f8fa4595 | 1671 | // |
2ff20727 | 1672 | // Track selection, displaced tracks |
1673 | selectInfo = 0; | |
f8fa4595 | 1674 | if(fTrackFilter) { |
1675 | selectInfo = fTrackFilter->IsSelected(trk); | |
6a213b59 | 1676 | } |
2ff20727 | 1677 | if(selectInfo) okDisplaced=kTRUE; |
1678 | // Track selection, soft pions | |
1679 | selectInfo = 0; | |
1680 | if(fDstar && fTrackFilterSoftPi) { | |
1681 | selectInfo = fTrackFilterSoftPi->IsSelected(trk); | |
1682 | } | |
1683 | if(selectInfo) okSoftPi=kTRUE; | |
6a213b59 | 1684 | |
2ff20727 | 1685 | if(okDisplaced || okSoftPi) return kTRUE; |
f8fa4595 | 1686 | |
2ff20727 | 1687 | return kFALSE; |
6a213b59 | 1688 | } |
1689 | //----------------------------------------------------------------------------- |