1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 /* $Id: AliESDtrackCuts.cxx 24534 2008-03-16 22:22:11Z fca $ */
18 #include "AliESDtrackCuts.h"
20 #include <AliESDtrack.h>
21 #include <AliESDVertex.h>
22 #include <AliESDEvent.h>
23 #include <AliMultiplicity.h>
28 #include <TDirectory.h>
33 //____________________________________________________________________
34 ClassImp(AliESDtrackCuts)
37 const Char_t* AliESDtrackCuts::fgkCutNames[kNCuts] = {
39 "require TPC standalone",
43 "#Chi^{2}/cluster TPC",
44 "#Chi^{2}/cluster ITS",
60 "trk-to-vtx max dca 2D absolute",
61 "trk-to-vtx max dca xy absolute",
62 "trk-to-vtx max dca z absolute",
63 "trk-to-vtx min dca 2D absolute",
64 "trk-to-vtx min dca xy absolute",
65 "trk-to-vtx min dca z absolute",
66 "SPD cluster requirement",
67 "SDD cluster requirement",
68 "SSD cluster requirement",
69 "require ITS stand-alone",
70 "rel 1/pt uncertainty",
71 "TPC n shared clusters",
72 "TPC rel shared clusters",
75 "n crossed rows / n findable clusters",
77 "#Chi^{2} TPC constrained vs. global",
82 AliESDtrackCuts* AliESDtrackCuts::fgMultEstTrackCuts[AliESDtrackCuts::kNMultEstTrackCuts] = { 0, 0, 0, 0 };
83 Char_t AliESDtrackCuts::fgBeamTypeFlag = -1;
85 //____________________________________________________________________
86 AliESDtrackCuts::AliESDtrackCuts(const Char_t* name, const Char_t* title) : AliAnalysisCuts(name,title),
87 fCutMinNClusterTPC(0),
88 fCutMinNClusterITS(0),
89 fCutMinNCrossedRowsTPC(0),
90 fCutMinRatioCrossedRowsOverFindableClustersTPC(0),
91 f1CutMinNClustersTPCPtDep(0x0),
92 fCutMaxPtDepNClustersTPC(0),
93 fCutMaxChi2PerClusterTPC(0),
94 fCutMaxChi2PerClusterITS(0),
95 fCutMaxChi2TPCConstrainedVsGlobal(0),
96 fCutMaxChi2TPCConstrainedVsGlobalVertexType(kVertexTracks | kVertexSPD),
97 fCutMaxMissingITSPoints(0),
103 fCutMaxRel1PtUncertainty(0),
104 fCutAcceptKinkDaughters(0),
105 fCutAcceptSharedTPCClusters(0),
106 fCutMaxFractionSharedTPCClusters(0),
107 fCutRequireTPCRefit(0),
108 fCutRequireTPCStandAlone(0),
109 fCutRequireITSRefit(0),
110 fCutRequireITSPid(0),
111 fCutRequireITSStandAlone(0),
112 fCutRequireITSpureSA(0),
113 fCutNsigmaToVertex(0),
114 fCutSigmaToVertexRequired(0),
115 fCutMaxDCAToVertexXY(0),
116 fCutMaxDCAToVertexZ(0),
117 fCutMinDCAToVertexXY(0),
118 fCutMinDCAToVertexZ(0),
119 fCutMaxDCAToVertexXYPtDep(""),
120 fCutMaxDCAToVertexZPtDep(""),
121 fCutMinDCAToVertexXYPtDep(""),
122 fCutMinDCAToVertexZPtDep(""),
123 f1CutMaxDCAToVertexXYPtDep(0x0),
124 f1CutMaxDCAToVertexZPtDep(0x0),
125 f1CutMinDCAToVertexXYPtDep(0x0),
126 f1CutMinDCAToVertexZPtDep(0x0),
127 fCutDCAToVertex2D(0),
142 fCutRequireTOFout(kFALSE),
143 fFlagCutTOFdistance(kFALSE),
156 //##############################################################################
157 // setting default cuts
158 SetMinNClustersTPC();
159 SetMinNClustersITS();
160 SetMinNCrossedRowsTPC();
161 SetMinRatioCrossedRowsOverFindableClustersTPC();
162 SetMaxChi2PerClusterTPC();
163 SetMaxChi2PerClusterITS();
164 SetMaxChi2TPCConstrainedGlobal();
165 SetMaxChi2TPCConstrainedGlobalVertexType();
166 SetMaxNOfMissingITSPoints();
167 SetMaxCovDiagonalElements();
168 SetMaxRel1PtUncertainty();
169 SetRequireTPCRefit();
170 SetRequireTPCStandAlone();
171 SetRequireITSRefit();
172 SetRequireITSPid(kFALSE);
173 SetRequireITSStandAlone(kFALSE);
174 SetRequireITSPureStandAlone(kFALSE);
175 SetAcceptKinkDaughters();
176 SetAcceptSharedTPCClusters();
177 SetMaxFractionSharedTPCClusters();
178 SetMaxNsigmaToVertex();
179 SetMaxDCAToVertexXY();
180 SetMaxDCAToVertexZ();
182 SetMinDCAToVertexXY();
183 SetMinDCAToVertexZ();
191 SetClusterRequirementITS(kSPD);
192 SetClusterRequirementITS(kSDD);
193 SetClusterRequirementITS(kSSD);
198 //_____________________________________________________________________________
199 AliESDtrackCuts::AliESDtrackCuts(const AliESDtrackCuts &c) : AliAnalysisCuts(c),
200 fCutMinNClusterTPC(0),
201 fCutMinNClusterITS(0),
202 fCutMinNCrossedRowsTPC(0),
203 fCutMinRatioCrossedRowsOverFindableClustersTPC(0),
204 f1CutMinNClustersTPCPtDep(0x0),
205 fCutMaxPtDepNClustersTPC(0),
206 fCutMaxChi2PerClusterTPC(0),
207 fCutMaxChi2PerClusterITS(0),
208 fCutMaxChi2TPCConstrainedVsGlobal(0),
209 fCutMaxChi2TPCConstrainedVsGlobalVertexType(kVertexTracks | kVertexSPD),
210 fCutMaxMissingITSPoints(0),
216 fCutMaxRel1PtUncertainty(0),
217 fCutAcceptKinkDaughters(0),
218 fCutAcceptSharedTPCClusters(0),
219 fCutMaxFractionSharedTPCClusters(0),
220 fCutRequireTPCRefit(0),
221 fCutRequireTPCStandAlone(0),
222 fCutRequireITSRefit(0),
223 fCutRequireITSPid(0),
224 fCutRequireITSStandAlone(0),
225 fCutRequireITSpureSA(0),
226 fCutNsigmaToVertex(0),
227 fCutSigmaToVertexRequired(0),
228 fCutMaxDCAToVertexXY(0),
229 fCutMaxDCAToVertexZ(0),
230 fCutMinDCAToVertexXY(0),
231 fCutMinDCAToVertexZ(0),
232 fCutMaxDCAToVertexXYPtDep(""),
233 fCutMaxDCAToVertexZPtDep(""),
234 fCutMinDCAToVertexXYPtDep(""),
235 fCutMinDCAToVertexZPtDep(""),
236 f1CutMaxDCAToVertexXYPtDep(0x0),
237 f1CutMaxDCAToVertexZPtDep(0x0),
238 f1CutMinDCAToVertexXYPtDep(0x0),
239 f1CutMinDCAToVertexZPtDep(0x0),
240 fCutDCAToVertex2D(0),
255 fCutRequireTOFout(kFALSE),
256 fFlagCutTOFdistance(kFALSE),
267 ((AliESDtrackCuts &) c).Copy(*this);
270 AliESDtrackCuts::~AliESDtrackCuts()
276 for (Int_t i=0; i<2; i++) {
278 if (fhNClustersITS[i])
279 delete fhNClustersITS[i];
280 if (fhNClustersTPC[i])
281 delete fhNClustersTPC[i];
282 if (fhNSharedClustersTPC[i])
283 delete fhNSharedClustersTPC[i];
284 if (fhNCrossedRowsTPC[i])
285 delete fhNCrossedRowsTPC[i];
286 if (fhRatioCrossedRowsOverFindableClustersTPC[i])
287 delete fhRatioCrossedRowsOverFindableClustersTPC[i];
288 if (fhChi2PerClusterITS[i])
289 delete fhChi2PerClusterITS[i];
290 if (fhChi2PerClusterTPC[i])
291 delete fhChi2PerClusterTPC[i];
292 if (fhChi2TPCConstrainedVsGlobal[i])
293 delete fhChi2TPCConstrainedVsGlobal[i];
294 if(fhNClustersForITSPID[i])
295 delete fhNClustersForITSPID[i];
296 if(fhNMissingITSPoints[i])
297 delete fhNMissingITSPoints[i];
309 if (fhRel1PtUncertainty[i])
310 delete fhRel1PtUncertainty[i];
321 if (fhDXYNormalized[i])
322 delete fhDXYNormalized[i];
323 if (fhDZNormalized[i])
324 delete fhDZNormalized[i];
325 if (fhDXYvsDZNormalized[i])
326 delete fhDXYvsDZNormalized[i];
327 if (fhNSigmaToVertex[i])
328 delete fhNSigmaToVertex[i];
333 if (fhTOFdistance[i])
334 delete fhTOFdistance[i];
337 if(f1CutMaxDCAToVertexXYPtDep)delete f1CutMaxDCAToVertexXYPtDep;
338 f1CutMaxDCAToVertexXYPtDep = 0;
339 if( f1CutMaxDCAToVertexZPtDep) delete f1CutMaxDCAToVertexZPtDep;
340 f1CutMaxDCAToVertexZPtDep = 0;
341 if( f1CutMinDCAToVertexXYPtDep)delete f1CutMinDCAToVertexXYPtDep;
342 f1CutMinDCAToVertexXYPtDep = 0;
343 if(f1CutMinDCAToVertexZPtDep)delete f1CutMinDCAToVertexZPtDep;
344 f1CutMinDCAToVertexZPtDep = 0;
348 delete ffDTheoretical;
351 delete fhCutStatistics;
352 if (fhCutCorrelation)
353 delete fhCutCorrelation;
355 if(f1CutMinNClustersTPCPtDep)
356 delete f1CutMinNClustersTPCPtDep;
360 void AliESDtrackCuts::Init()
363 // sets everything to zero
366 fCutMinNClusterTPC = 0;
367 fCutMinNClusterITS = 0;
369 fCutMaxChi2PerClusterTPC = 0;
370 fCutMaxChi2PerClusterITS = 0;
371 fCutMaxChi2TPCConstrainedVsGlobal = 0;
372 fCutMaxChi2TPCConstrainedVsGlobalVertexType = kVertexTracks | kVertexSPD;
373 fCutMaxMissingITSPoints = 0;
375 for (Int_t i = 0; i < 3; i++)
376 fCutClusterRequirementITS[i] = kOff;
384 fCutMaxRel1PtUncertainty = 0;
386 fCutAcceptKinkDaughters = 0;
387 fCutAcceptSharedTPCClusters = 0;
388 fCutMaxFractionSharedTPCClusters = 0;
389 fCutRequireTPCRefit = 0;
390 fCutRequireTPCStandAlone = 0;
391 fCutRequireITSRefit = 0;
392 fCutRequireITSPid = 0;
393 fCutRequireITSStandAlone = 0;
394 fCutRequireITSpureSA = 0;
396 fCutNsigmaToVertex = 0;
397 fCutSigmaToVertexRequired = 0;
398 fCutMaxDCAToVertexXY = 0;
399 fCutMaxDCAToVertexZ = 0;
400 fCutDCAToVertex2D = 0;
401 fCutMinDCAToVertexXY = 0;
402 fCutMinDCAToVertexZ = 0;
403 fCutMaxDCAToVertexXYPtDep = "";
404 fCutMaxDCAToVertexZPtDep = "";
405 fCutMinDCAToVertexXYPtDep = "";
406 fCutMinDCAToVertexZPtDep = "";
408 if(f1CutMaxDCAToVertexXYPtDep)delete f1CutMaxDCAToVertexXYPtDep;
409 f1CutMaxDCAToVertexXYPtDep = 0;
410 if( f1CutMaxDCAToVertexXYPtDep) delete f1CutMaxDCAToVertexXYPtDep;
411 f1CutMaxDCAToVertexXYPtDep = 0;
412 if( f1CutMaxDCAToVertexZPtDep) delete f1CutMaxDCAToVertexZPtDep;
413 f1CutMaxDCAToVertexZPtDep = 0;
414 if( f1CutMinDCAToVertexXYPtDep)delete f1CutMinDCAToVertexXYPtDep;
415 f1CutMinDCAToVertexXYPtDep = 0;
416 if(f1CutMinDCAToVertexZPtDep)delete f1CutMinDCAToVertexZPtDep;
417 f1CutMinDCAToVertexZPtDep = 0;
435 fHistogramsOn = kFALSE;
437 for (Int_t i=0; i<2; ++i)
439 fhNClustersITS[i] = 0;
440 fhNClustersTPC[i] = 0;
441 fhNSharedClustersTPC[i] = 0;
442 fhNCrossedRowsTPC[i] = 0;
443 fhRatioCrossedRowsOverFindableClustersTPC[i] = 0;
445 fhChi2PerClusterITS[i] = 0;
446 fhChi2PerClusterTPC[i] = 0;
447 fhChi2TPCConstrainedVsGlobal[i] = 0;
448 fhNClustersForITSPID[i] = 0;
449 fhNMissingITSPoints[i] = 0;
457 fhRel1PtUncertainty[i] = 0;
464 fhDXYNormalized[i] = 0;
465 fhDZNormalized[i] = 0;
466 fhDXYvsDZNormalized[i] = 0;
467 fhNSigmaToVertex[i] = 0;
471 fhTOFdistance[i] = 0;
476 fhCutCorrelation = 0;
479 //_____________________________________________________________________________
480 AliESDtrackCuts &AliESDtrackCuts::operator=(const AliESDtrackCuts &c)
483 // Assignment operator
486 if (this != &c) ((AliESDtrackCuts &) c).Copy(*this);
490 //_____________________________________________________________________________
491 void AliESDtrackCuts::Copy(TObject &c) const
497 AliESDtrackCuts& target = (AliESDtrackCuts &) c;
501 target.fCutMinNClusterTPC = fCutMinNClusterTPC;
502 target.fCutMinNClusterITS = fCutMinNClusterITS;
503 target.fCutMinNCrossedRowsTPC = fCutMinNCrossedRowsTPC;
504 target.fCutMinRatioCrossedRowsOverFindableClustersTPC = fCutMinRatioCrossedRowsOverFindableClustersTPC;
505 if(f1CutMinNClustersTPCPtDep){
506 target.f1CutMinNClustersTPCPtDep = (TFormula*) f1CutMinNClustersTPCPtDep->Clone("f1CutMinNClustersTPCPtDep");
508 target.fCutMaxPtDepNClustersTPC = fCutMaxPtDepNClustersTPC;
510 target.fCutMaxChi2PerClusterTPC = fCutMaxChi2PerClusterTPC;
511 target.fCutMaxChi2PerClusterITS = fCutMaxChi2PerClusterITS;
512 target.fCutMaxChi2TPCConstrainedVsGlobal = fCutMaxChi2TPCConstrainedVsGlobal;
513 target.fCutMaxChi2TPCConstrainedVsGlobalVertexType = fCutMaxChi2TPCConstrainedVsGlobalVertexType;
514 target.fCutMaxMissingITSPoints = fCutMaxMissingITSPoints;
516 for (Int_t i = 0; i < 3; i++)
517 target.fCutClusterRequirementITS[i] = fCutClusterRequirementITS[i];
519 target.fCutMaxC11 = fCutMaxC11;
520 target.fCutMaxC22 = fCutMaxC22;
521 target.fCutMaxC33 = fCutMaxC33;
522 target.fCutMaxC44 = fCutMaxC44;
523 target.fCutMaxC55 = fCutMaxC55;
525 target.fCutMaxRel1PtUncertainty = fCutMaxRel1PtUncertainty;
527 target.fCutAcceptKinkDaughters = fCutAcceptKinkDaughters;
528 target.fCutAcceptSharedTPCClusters = fCutAcceptSharedTPCClusters;
529 target.fCutMaxFractionSharedTPCClusters = fCutMaxFractionSharedTPCClusters;
530 target.fCutRequireTPCRefit = fCutRequireTPCRefit;
531 target.fCutRequireTPCStandAlone = fCutRequireTPCStandAlone;
532 target.fCutRequireITSRefit = fCutRequireITSRefit;
533 target.fCutRequireITSPid = fCutRequireITSPid;
534 target.fCutRequireITSStandAlone = fCutRequireITSStandAlone;
535 target.fCutRequireITSpureSA = fCutRequireITSpureSA;
537 target.fCutNsigmaToVertex = fCutNsigmaToVertex;
538 target.fCutSigmaToVertexRequired = fCutSigmaToVertexRequired;
539 target.fCutMaxDCAToVertexXY = fCutMaxDCAToVertexXY;
540 target.fCutMaxDCAToVertexZ = fCutMaxDCAToVertexZ;
541 target.fCutDCAToVertex2D = fCutDCAToVertex2D;
542 target.fCutMinDCAToVertexXY = fCutMinDCAToVertexXY;
543 target.fCutMinDCAToVertexZ = fCutMinDCAToVertexZ;
545 target.fCutMaxDCAToVertexXYPtDep = fCutMaxDCAToVertexXYPtDep;
546 if(fCutMaxDCAToVertexXYPtDep.Length()>0)target.SetMaxDCAToVertexXYPtDep(fCutMaxDCAToVertexXYPtDep.Data());
548 target.fCutMaxDCAToVertexZPtDep = fCutMaxDCAToVertexZPtDep;
549 if(fCutMaxDCAToVertexZPtDep.Length()>0)target.SetMaxDCAToVertexZPtDep(fCutMaxDCAToVertexZPtDep.Data());
551 target.fCutMinDCAToVertexXYPtDep = fCutMinDCAToVertexXYPtDep;
552 if(fCutMinDCAToVertexXYPtDep.Length()>0)target.SetMinDCAToVertexXYPtDep(fCutMinDCAToVertexXYPtDep.Data());
554 target.fCutMinDCAToVertexZPtDep = fCutMinDCAToVertexZPtDep;
555 if(fCutMinDCAToVertexZPtDep.Length()>0)target.SetMinDCAToVertexZPtDep(fCutMinDCAToVertexZPtDep.Data());
557 target.fPMin = fPMin;
558 target.fPMax = fPMax;
559 target.fPtMin = fPtMin;
560 target.fPtMax = fPtMax;
561 target.fPxMin = fPxMin;
562 target.fPxMax = fPxMax;
563 target.fPyMin = fPyMin;
564 target.fPyMax = fPyMax;
565 target.fPzMin = fPzMin;
566 target.fPzMax = fPzMax;
567 target.fEtaMin = fEtaMin;
568 target.fEtaMax = fEtaMax;
569 target.fRapMin = fRapMin;
570 target.fRapMax = fRapMax;
572 target.fFlagCutTOFdistance = fFlagCutTOFdistance;
573 target.fCutTOFdistance = fCutTOFdistance;
574 target.fCutRequireTOFout = fCutRequireTOFout;
576 target.fHistogramsOn = fHistogramsOn;
578 for (Int_t i=0; i<2; ++i)
580 if (fhNClustersITS[i]) target.fhNClustersITS[i] = (TH1F*) fhNClustersITS[i]->Clone();
581 if (fhNClustersTPC[i]) target.fhNClustersTPC[i] = (TH1F*) fhNClustersTPC[i]->Clone();
582 if (fhNSharedClustersTPC[i]) target.fhNSharedClustersTPC[i] = (TH1F*) fhNSharedClustersTPC[i]->Clone();
583 if (fhNCrossedRowsTPC[i]) target.fhNCrossedRowsTPC[i] = (TH1F*) fhNCrossedRowsTPC[i]->Clone();
584 if (fhRatioCrossedRowsOverFindableClustersTPC[i]) target.fhRatioCrossedRowsOverFindableClustersTPC[i] = (TH1F*) fhRatioCrossedRowsOverFindableClustersTPC[i]->Clone();
586 if (fhChi2PerClusterITS[i]) target.fhChi2PerClusterITS[i] = (TH1F*) fhChi2PerClusterITS[i]->Clone();
587 if (fhChi2PerClusterTPC[i]) target.fhChi2PerClusterTPC[i] = (TH1F*) fhChi2PerClusterTPC[i]->Clone();
588 if (fhChi2TPCConstrainedVsGlobal[i]) target.fhChi2TPCConstrainedVsGlobal[i] = (TH1F*) fhChi2TPCConstrainedVsGlobal[i]->Clone();
589 if (fhNClustersForITSPID[i]) target.fhNClustersForITSPID[i] = (TH1F*) fhNClustersForITSPID[i]->Clone();
590 if (fhNMissingITSPoints[i]) target.fhNMissingITSPoints[i] = (TH1F*) fhNMissingITSPoints[i]->Clone();
592 if (fhC11[i]) target.fhC11[i] = (TH1F*) fhC11[i]->Clone();
593 if (fhC22[i]) target.fhC22[i] = (TH1F*) fhC22[i]->Clone();
594 if (fhC33[i]) target.fhC33[i] = (TH1F*) fhC33[i]->Clone();
595 if (fhC44[i]) target.fhC44[i] = (TH1F*) fhC44[i]->Clone();
596 if (fhC55[i]) target.fhC55[i] = (TH1F*) fhC55[i]->Clone();
598 if (fhRel1PtUncertainty[i]) target.fhRel1PtUncertainty[i] = (TH1F*) fhRel1PtUncertainty[i]->Clone();
600 if (fhDXY[i]) target.fhDXY[i] = (TH1F*) fhDXY[i]->Clone();
601 if (fhDZ[i]) target.fhDZ[i] = (TH1F*) fhDZ[i]->Clone();
602 if (fhDXYDZ[i]) target.fhDXYDZ[i] = (TH1F*) fhDXYDZ[i]->Clone();
603 if (fhDXYvsDZ[i]) target.fhDXYvsDZ[i] = (TH2F*) fhDXYvsDZ[i]->Clone();
605 if (fhDXYNormalized[i]) target.fhDXYNormalized[i] = (TH1F*) fhDXYNormalized[i]->Clone();
606 if (fhDZNormalized[i]) target.fhDZNormalized[i] = (TH1F*) fhDZNormalized[i]->Clone();
607 if (fhDXYvsDZNormalized[i]) target.fhDXYvsDZNormalized[i] = (TH2F*) fhDXYvsDZNormalized[i]->Clone();
608 if (fhNSigmaToVertex[i]) target.fhNSigmaToVertex[i] = (TH1F*) fhNSigmaToVertex[i]->Clone();
610 if (fhPt[i]) target.fhPt[i] = (TH1F*) fhPt[i]->Clone();
611 if (fhEta[i]) target.fhEta[i] = (TH1F*) fhEta[i]->Clone();
612 if (fhTOFdistance[i]) target.fhTOFdistance[i] = (TH2F*) fhTOFdistance[i]->Clone();
614 if (ffDTheoretical) target.ffDTheoretical = (TF1*) ffDTheoretical->Clone();
616 if (fhCutStatistics) target.fhCutStatistics = (TH1F*) fhCutStatistics->Clone();
617 if (fhCutCorrelation) target.fhCutCorrelation = (TH2F*) fhCutCorrelation->Clone();
622 //_____________________________________________________________________________
623 Long64_t AliESDtrackCuts::Merge(TCollection* list) {
624 // Merge a list of AliESDtrackCuts objects with this (needed for PROOF)
625 // Returns the number of merged objects (including this)
632 TIterator* iter = list->MakeIterator();
635 // collection of measured and generated histograms
637 while ((obj = iter->Next())) {
639 AliESDtrackCuts* entry = dynamic_cast<AliESDtrackCuts*>(obj);
643 if (!entry->fHistogramsOn)
646 for (Int_t i=0; i<2; i++) {
648 fhNClustersITS[i] ->Add(entry->fhNClustersITS[i] );
649 fhNClustersTPC[i] ->Add(entry->fhNClustersTPC[i] );
650 if (fhNSharedClustersTPC[i])
651 fhNSharedClustersTPC[i] ->Add(entry->fhNSharedClustersTPC[i] );
652 if (fhNCrossedRowsTPC[i])
653 fhNCrossedRowsTPC[i] ->Add(entry->fhNCrossedRowsTPC[i] );
654 if (fhRatioCrossedRowsOverFindableClustersTPC[i])
655 fhRatioCrossedRowsOverFindableClustersTPC[i] ->Add(entry->fhRatioCrossedRowsOverFindableClustersTPC[i] );
657 fhChi2PerClusterITS[i] ->Add(entry->fhChi2PerClusterITS[i]);
658 fhChi2PerClusterTPC[i] ->Add(entry->fhChi2PerClusterTPC[i]);
659 if (fhChi2TPCConstrainedVsGlobal[i])
660 fhChi2TPCConstrainedVsGlobal[i]->Add(entry->fhChi2TPCConstrainedVsGlobal[i]);
661 if (fhNClustersForITSPID[i])
662 fhNClustersForITSPID[i]->Add(entry->fhNClustersForITSPID[i]);
663 if (fhNMissingITSPoints[i])
664 fhNMissingITSPoints[i] ->Add(entry->fhNMissingITSPoints[i]);
666 fhC11[i] ->Add(entry->fhC11[i] );
667 fhC22[i] ->Add(entry->fhC22[i] );
668 fhC33[i] ->Add(entry->fhC33[i] );
669 fhC44[i] ->Add(entry->fhC44[i] );
670 fhC55[i] ->Add(entry->fhC55[i] );
672 fhRel1PtUncertainty[i] ->Add(entry->fhRel1PtUncertainty[i]);
674 fhDXY[i] ->Add(entry->fhDXY[i] );
675 fhDZ[i] ->Add(entry->fhDZ[i] );
676 fhDXYDZ[i] ->Add(entry->fhDXYDZ[i] );
677 fhDXYvsDZ[i] ->Add(entry->fhDXYvsDZ[i] );
679 fhDXYNormalized[i] ->Add(entry->fhDXYNormalized[i] );
680 fhDZNormalized[i] ->Add(entry->fhDZNormalized[i] );
681 fhDXYvsDZNormalized[i] ->Add(entry->fhDXYvsDZNormalized[i]);
682 fhNSigmaToVertex[i] ->Add(entry->fhNSigmaToVertex[i]);
684 fhPt[i] ->Add(entry->fhPt[i]);
685 fhEta[i] ->Add(entry->fhEta[i]);
686 fhTOFdistance[i] ->Add(entry->fhTOFdistance[i]);
689 fhCutStatistics ->Add(entry->fhCutStatistics);
690 fhCutCorrelation ->Add(entry->fhCutCorrelation);
697 void AliESDtrackCuts::SetMinNClustersTPCPtDep(TFormula *f1, Float_t ptmax)
700 // Sets the pT dependent NClustersTPC cut
704 delete f1CutMinNClustersTPCPtDep;
705 f1CutMinNClustersTPCPtDep = (TFormula*)f1->Clone("f1CutMinNClustersTPCPtDep");
707 fCutMaxPtDepNClustersTPC=ptmax;
710 //____________________________________________________________________
711 AliESDtrackCuts* AliESDtrackCuts::GetStandardTPCOnlyTrackCuts()
713 // creates an AliESDtrackCuts object and fills it with standard (pre data-taking) values for TPC-only cuts
715 AliInfoClass("Creating track cuts for TPC-only.");
717 AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
719 esdTrackCuts->SetMinNClustersTPC(50);
720 esdTrackCuts->SetMaxChi2PerClusterTPC(4);
721 esdTrackCuts->SetAcceptKinkDaughters(kFALSE);
723 esdTrackCuts->SetMaxDCAToVertexZ(3.2);
724 esdTrackCuts->SetMaxDCAToVertexXY(2.4);
725 esdTrackCuts->SetDCAToVertex2D(kTRUE);
730 //____________________________________________________________________
731 AliESDtrackCuts* AliESDtrackCuts::GetStandardITSTPCTrackCuts2009(Bool_t selPrimaries)
733 // creates an AliESDtrackCuts object and fills it with standard values for ITS-TPC cuts for pp 2009 data
735 AliInfoClass("Creating track cuts for ITS+TPC (2009 definition).");
737 AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
740 esdTrackCuts->SetRequireTPCStandAlone(kTRUE); // to get chi2 and ncls of kTPCin
741 esdTrackCuts->SetMinNClustersTPC(70);
742 esdTrackCuts->SetMaxChi2PerClusterTPC(4);
743 esdTrackCuts->SetAcceptKinkDaughters(kFALSE);
744 esdTrackCuts->SetRequireTPCRefit(kTRUE);
746 esdTrackCuts->SetRequireITSRefit(kTRUE);
747 esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
748 AliESDtrackCuts::kAny);
750 // 7*(0.0050+0.0060/pt^0.9)
751 esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0350+0.0420/pt^0.9");
752 esdTrackCuts->SetMaxChi2TPCConstrainedGlobal(36);
754 esdTrackCuts->SetMaxDCAToVertexZ(1.e6);
755 esdTrackCuts->SetDCAToVertex2D(kFALSE);
756 esdTrackCuts->SetRequireSigmaToVertex(kFALSE);
757 //esdTrackCuts->SetEtaRange(-0.8,+0.8);
759 esdTrackCuts->SetMaxChi2PerClusterITS(36);
764 //____________________________________________________________________
765 AliESDtrackCuts* AliESDtrackCuts::GetStandardITSTPCTrackCuts2011(Bool_t selPrimaries, Int_t clusterCut)
767 // creates an AliESDtrackCuts object and fills it with standard values for ITS-TPC cuts for pp 2011 data
768 // if clusterCut = 1, the cut on the number of clusters is replaced by
769 // a cut on the number of crossed rows and on the ration crossed
770 // rows/findable clusters
772 AliInfoClass("Creating track cuts for ITS+TPC (2011 definition).");
774 AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
777 if(clusterCut == 0) esdTrackCuts->SetMinNClustersTPC(50);
778 else if (clusterCut == 1) {
779 esdTrackCuts->SetMinNCrossedRowsTPC(70);
780 esdTrackCuts->SetMinRatioCrossedRowsOverFindableClustersTPC(0.8);
783 AliWarningClass(Form("Wrong value of the clusterCut parameter (%d), using cut on Nclusters",clusterCut));
784 esdTrackCuts->SetMinNClustersTPC(50);
786 esdTrackCuts->SetMaxChi2PerClusterTPC(4);
787 esdTrackCuts->SetAcceptKinkDaughters(kFALSE);
788 esdTrackCuts->SetRequireTPCRefit(kTRUE);
790 esdTrackCuts->SetRequireITSRefit(kTRUE);
791 esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
792 AliESDtrackCuts::kAny);
794 // 7*(0.0015+0.0050/pt^1.1)
795 esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0105+0.0350/pt^1.1");
796 esdTrackCuts->SetMaxChi2TPCConstrainedGlobal(36);
798 esdTrackCuts->SetMaxDCAToVertexZ(2);
799 esdTrackCuts->SetDCAToVertex2D(kFALSE);
800 esdTrackCuts->SetRequireSigmaToVertex(kFALSE);
802 esdTrackCuts->SetMaxChi2PerClusterITS(36);
807 //____________________________________________________________________
808 AliESDtrackCuts* AliESDtrackCuts::GetStandardITSTPCTrackCuts2010(Bool_t selPrimaries,Int_t clusterCut)
810 // creates an AliESDtrackCuts object and fills it with standard values for ITS-TPC cuts for pp 2010 data
811 // if clusterCut = 1, the cut on the number of clusters is replaced by
812 // a cut on the number of crossed rows and on the ration crossed
813 // rows/findable clusters
815 AliInfoClass("Creating track cuts for ITS+TPC (2010 definition).");
817 AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
820 if(clusterCut == 0) esdTrackCuts->SetMinNClustersTPC(70);
821 else if (clusterCut == 1) {
822 esdTrackCuts->SetMinNCrossedRowsTPC(70);
823 esdTrackCuts->SetMinRatioCrossedRowsOverFindableClustersTPC(0.8);
826 AliWarningClass(Form("Wrong value of the clusterCut parameter (%d), using cut on Nclusters",clusterCut));
827 esdTrackCuts->SetMinNClustersTPC(70);
829 esdTrackCuts->SetMaxChi2PerClusterTPC(4);
830 esdTrackCuts->SetAcceptKinkDaughters(kFALSE);
831 esdTrackCuts->SetRequireTPCRefit(kTRUE);
833 esdTrackCuts->SetRequireITSRefit(kTRUE);
834 esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
835 AliESDtrackCuts::kAny);
837 // 7*(0.0026+0.0050/pt^1.01)
838 esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01");
839 esdTrackCuts->SetMaxChi2TPCConstrainedGlobal(36);
841 esdTrackCuts->SetMaxDCAToVertexZ(2);
842 esdTrackCuts->SetDCAToVertex2D(kFALSE);
843 esdTrackCuts->SetRequireSigmaToVertex(kFALSE);
845 esdTrackCuts->SetMaxChi2PerClusterITS(36);
850 //____________________________________________________________________
851 AliESDtrackCuts* AliESDtrackCuts::GetStandardITSPureSATrackCuts2009(Bool_t selPrimaries, Bool_t useForPid)
853 // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks
855 AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
856 esdTrackCuts->SetRequireITSPureStandAlone(kTRUE);
857 esdTrackCuts->SetRequireITSRefit(kTRUE);
858 esdTrackCuts->SetMinNClustersITS(4);
859 esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
860 AliESDtrackCuts::kAny);
861 esdTrackCuts->SetMaxChi2PerClusterITS(1.);
864 // 7*(0.0085+0.0026/pt^1.55)
865 esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0595+0.0182/pt^1.55");
868 esdTrackCuts->SetRequireITSPid(kTRUE);
873 //____________________________________________________________________
874 AliESDtrackCuts* AliESDtrackCuts::GetStandardITSPureSATrackCuts2010(Bool_t selPrimaries, Bool_t useForPid)
876 // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks - pp 2010
878 AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
879 esdTrackCuts->SetRequireITSPureStandAlone(kTRUE);
880 esdTrackCuts->SetRequireITSRefit(kTRUE);
881 esdTrackCuts->SetMinNClustersITS(4);
882 esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
883 AliESDtrackCuts::kAny);
884 esdTrackCuts->SetMaxChi2PerClusterITS(2.5);
887 // 7*(0.0033+0.0045/pt^1.3)
888 esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0231+0.0315/pt^1.3");
891 esdTrackCuts->SetRequireITSPid(kTRUE);
896 //____________________________________________________________________
897 AliESDtrackCuts* AliESDtrackCuts::GetStandardITSSATrackCuts2009(Bool_t selPrimaries, Bool_t useForPid)
899 // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks
901 AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
902 esdTrackCuts->SetRequireITSStandAlone(kTRUE);
903 esdTrackCuts->SetRequireITSPureStandAlone(kFALSE);
904 esdTrackCuts->SetRequireITSRefit(kTRUE);
905 esdTrackCuts->SetMinNClustersITS(4);
906 esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
907 AliESDtrackCuts::kAny);
908 esdTrackCuts->SetMaxChi2PerClusterITS(1.);
911 // 7*(0.0085+0.0026/pt^1.55)
912 esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0595+0.0182/pt^1.55");
915 esdTrackCuts->SetRequireITSPid(kTRUE);
920 //____________________________________________________________________
921 AliESDtrackCuts* AliESDtrackCuts::GetStandardITSSATrackCuts2010(Bool_t selPrimaries, Bool_t useForPid)
923 // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks --pp 2010
925 AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
926 esdTrackCuts->SetRequireITSStandAlone(kTRUE);
927 esdTrackCuts->SetRequireITSPureStandAlone(kFALSE);
928 esdTrackCuts->SetRequireITSRefit(kTRUE);
929 esdTrackCuts->SetMinNClustersITS(4);
930 esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
931 AliESDtrackCuts::kAny);
932 esdTrackCuts->SetMaxChi2PerClusterITS(2.5);
935 // 7*(0.0033+0.0045/pt^1.3)
936 esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0231+0.0315/pt^1.3");
939 esdTrackCuts->SetRequireITSPid(kTRUE);
944 //____________________________________________________________________
945 AliESDtrackCuts* AliESDtrackCuts::GetStandardITSSATrackCutsPbPb2010(Bool_t selPrimaries, Bool_t useForPid)
947 // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks -- PbPb 2010
949 AliESDtrackCuts* esdTrackCuts = GetStandardITSSATrackCuts2010(selPrimaries, useForPid);
950 esdTrackCuts->SetMaxNOfMissingITSPoints(1);
954 //____________________________________________________________________
956 AliESDtrackCuts* AliESDtrackCuts::GetStandardV0DaughterCuts()
958 // creates a AliESDtrackCuts object and fills it with standard cuts for V0 daughters
959 AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
960 esdTrackCuts->SetRequireTPCRefit(kTRUE);
961 esdTrackCuts->SetMinNClustersTPC(70);
962 esdTrackCuts->SetAcceptKinkDaughters(kFALSE);
966 //____________________________________________________________________
967 Int_t AliESDtrackCuts::GetReferenceMultiplicity(const AliESDEvent* esd, Bool_t tpcOnly)
969 // Gets reference multiplicity following the standard cuts and a defined fiducial volume
970 // tpcOnly = kTRUE -> consider TPC-only tracks
971 // = kFALSE -> consider global tracks
973 // DEPRECATED Use GetReferenceMultiplicity with the enum as second argument instead
977 AliErrorClass("Not implemented for global tracks!");
981 static AliESDtrackCuts* esdTrackCuts = 0;
984 esdTrackCuts = GetStandardTPCOnlyTrackCuts();
985 esdTrackCuts->SetEtaRange(-0.8, 0.8);
986 esdTrackCuts->SetPtRange(0.15);
989 Int_t nTracks = esdTrackCuts->CountAcceptedTracks(esd);
994 //____________________________________________________________________
995 Float_t AliESDtrackCuts::GetSigmaToVertex(const AliESDtrack* const esdTrack)
997 // Calculates the number of sigma to the vertex.
1002 esdTrack->GetImpactParameters(b,bCov);
1004 if (bCov[0]<=0 || bCov[2]<=0) {
1005 AliDebugClass(1, "Estimated b resolution lower or equal zero!");
1006 bCov[0]=0; bCov[2]=0;
1008 bRes[0] = TMath::Sqrt(bCov[0]);
1009 bRes[1] = TMath::Sqrt(bCov[2]);
1011 // -----------------------------------
1012 // How to get to a n-sigma cut?
1014 // The accumulated statistics from 0 to d is
1016 // -> Erf(d/Sqrt(2)) for a 1-dim gauss (d = n_sigma)
1017 // -> 1 - Exp(-d**2) for a 2-dim gauss (d*d = dx*dx + dy*dy != n_sigma)
1019 // It means that for a 2-dim gauss: n_sigma(d) = Sqrt(2)*ErfInv(1 - Exp((-d**2)/2)
1020 // Can this be expressed in a different way?
1022 if (bRes[0] == 0 || bRes[1] ==0)
1025 Float_t d = TMath::Sqrt(TMath::Power(b[0]/bRes[0],2) + TMath::Power(b[1]/bRes[1],2));
1027 // work around precision problem
1028 // if d is too big, TMath::Exp(...) gets 0, and TMath::ErfInverse(1) that should be infinite, gets 0 :(
1029 // 1e-15 corresponds to nsigma ~ 7.7
1030 if (TMath::Exp(-d * d / 2) < 1e-15)
1033 Float_t nSigma = TMath::ErfInverse(1 - TMath::Exp(-d * d / 2)) * TMath::Sqrt(2);
1037 void AliESDtrackCuts::EnableNeededBranches(TTree* tree)
1039 // enables the branches needed by AcceptTrack, for a list see comment of AcceptTrack
1041 tree->SetBranchStatus("fTracks.fFlags", 1);
1042 tree->SetBranchStatus("fTracks.fITSncls", 1);
1043 tree->SetBranchStatus("fTracks.fTPCncls", 1);
1044 tree->SetBranchStatus("fTracks.fITSchi2", 1);
1045 tree->SetBranchStatus("fTracks.fTPCchi2", 1);
1046 tree->SetBranchStatus("fTracks.fC*", 1);
1047 tree->SetBranchStatus("fTracks.fD", 1);
1048 tree->SetBranchStatus("fTracks.fZ", 1);
1049 tree->SetBranchStatus("fTracks.fCdd", 1);
1050 tree->SetBranchStatus("fTracks.fCdz", 1);
1051 tree->SetBranchStatus("fTracks.fCzz", 1);
1052 tree->SetBranchStatus("fTracks.fP*", 1);
1053 tree->SetBranchStatus("fTracks.fR*", 1);
1054 tree->SetBranchStatus("fTracks.fKinkIndexes*", 1);
1057 //____________________________________________________________________
1058 Bool_t AliESDtrackCuts::AcceptTrack(const AliESDtrack* esdTrack)
1061 // figure out if the tracks survives all the track cuts defined
1063 // the different quality parameter and kinematic values are first
1064 // retrieved from the track. then it is found out what cuts the
1065 // track did not survive and finally the cuts are imposed.
1067 // this function needs the following branches:
1073 // fTracks.fC //GetExternalCovariance
1074 // fTracks.fD //GetImpactParameters
1075 // fTracks.fZ //GetImpactParameters
1076 // fTracks.fCdd //GetImpactParameters
1077 // fTracks.fCdz //GetImpactParameters
1078 // fTracks.fCzz //GetImpactParameters
1079 // fTracks.fP //GetPxPyPz
1080 // fTracks.fR //GetMass
1081 // fTracks.fP //GetMass
1082 // fTracks.fKinkIndexes
1084 // esdEvent is only required for the MaxChi2TPCConstrainedVsGlobal
1086 UInt_t status = esdTrack->GetStatus();
1088 // getting quality parameters from the ESD track
1089 Int_t nClustersITS = esdTrack->GetITSclusters(0);
1090 Int_t nClustersTPC = -1;
1091 if(fCutRequireTPCStandAlone) {
1092 nClustersTPC = esdTrack->GetTPCNclsIter1();
1095 nClustersTPC = esdTrack->GetTPCclusters(0);
1098 //Pt dependent NClusters Cut
1099 if(f1CutMinNClustersTPCPtDep) {
1100 if(esdTrack->Pt()<fCutMaxPtDepNClustersTPC)
1101 fCutMinNClusterTPC = f1CutMinNClustersTPCPtDep->Eval(esdTrack->Pt());
1103 fCutMinNClusterTPC = f1CutMinNClustersTPCPtDep->Eval(fCutMaxPtDepNClustersTPC);
1106 Float_t nCrossedRowsTPC = esdTrack->GetTPCCrossedRows();
1107 Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
1108 if (esdTrack->GetTPCNclsF()>0) {
1109 ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC / esdTrack->GetTPCNclsF();
1112 Int_t nClustersTPCShared = esdTrack->GetTPCnclsS();
1113 Float_t fracClustersTPCShared = -1.;
1115 Float_t chi2PerClusterITS = -1;
1116 Float_t chi2PerClusterTPC = -1;
1117 if (nClustersITS!=0)
1118 chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS);
1119 if (nClustersTPC!=0) {
1120 if(fCutRequireTPCStandAlone) {
1121 chi2PerClusterTPC = esdTrack->GetTPCchi2Iter1()/Float_t(nClustersTPC);
1123 chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC);
1125 fracClustersTPCShared = Float_t(nClustersTPCShared)/Float_t(nClustersTPC);
1128 Double_t extCov[15];
1129 esdTrack->GetExternalCovariance(extCov);
1133 esdTrack->GetImpactParameters(b,bCov);
1134 if (bCov[0]<=0 || bCov[2]<=0) {
1135 AliDebug(1, "Estimated b resolution lower or equal zero!");
1136 bCov[0]=0; bCov[2]=0;
1140 // set pt-dependent DCA cuts, if requested
1141 SetPtDepDCACuts(esdTrack->Pt());
1144 Float_t dcaToVertexXY = b[0];
1145 Float_t dcaToVertexZ = b[1];
1147 Float_t dcaToVertex = -1;
1149 if (fCutDCAToVertex2D)
1151 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ);
1154 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ);
1156 // getting the kinematic variables of the track
1157 // (assuming the mass is known)
1159 esdTrack->GetPxPyPz(p);
1161 Float_t momentum = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2) + TMath::Power(p[2],2));
1162 Float_t pt = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2));
1163 Float_t energy = TMath::Sqrt(TMath::Power(esdTrack->GetMass(),2) + TMath::Power(momentum,2));
1165 //y-eta related calculations
1166 Float_t eta = -100.;
1168 if((momentum != TMath::Abs(p[2]))&&(momentum != 0))
1169 eta = 0.5*TMath::Log((momentum + p[2])/(momentum - p[2]));
1170 if((energy != TMath::Abs(p[2]))&&(momentum != 0))
1171 y = 0.5*TMath::Log((energy + p[2])/(energy - p[2]));
1175 AliWarning(Form("GetSigma1Pt2() returns negative value for external covariance matrix element fC[14]: %f. Corrupted track information, track will not be accepted!", extCov[14]));
1178 Float_t relUncertainty1Pt = TMath::Sqrt(extCov[14])*pt;
1180 //########################################################################
1183 Bool_t cuts[kNCuts];
1184 for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE;
1186 // track quality cuts
1187 if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0)
1189 if (fCutRequireTPCStandAlone && (status&AliESDtrack::kTPCin)==0)
1191 if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0)
1193 if (nClustersTPC<fCutMinNClusterTPC)
1195 if (nClustersITS<fCutMinNClusterITS)
1197 if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC)
1199 if (chi2PerClusterITS>fCutMaxChi2PerClusterITS)
1201 if (extCov[0] > fCutMaxC11)
1203 if (extCov[2] > fCutMaxC22)
1205 if (extCov[5] > fCutMaxC33)
1207 if (extCov[9] > fCutMaxC44)
1209 if (extCov[14] > fCutMaxC55)
1212 // cut 12 and 13 see below
1214 if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0)
1216 // track kinematics cut
1217 if((momentum < fPMin) || (momentum > fPMax))
1219 if((pt < fPtMin) || (pt > fPtMax))
1221 if((p[0] < fPxMin) || (p[0] > fPxMax))
1223 if((p[1] < fPyMin) || (p[1] > fPyMax))
1225 if((p[2] < fPzMin) || (p[2] > fPzMax))
1227 if((eta < fEtaMin) || (eta > fEtaMax))
1229 if((y < fRapMin) || (y > fRapMax))
1231 if (fCutDCAToVertex2D && dcaToVertex > 1)
1233 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY)
1235 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ)
1237 if (fCutDCAToVertex2D && fCutMinDCAToVertexXY > 0 && fCutMinDCAToVertexZ > 0 && dcaToVertexXY*dcaToVertexXY/fCutMinDCAToVertexXY/fCutMinDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMinDCAToVertexZ/fCutMinDCAToVertexZ < 1)
1239 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) < fCutMinDCAToVertexXY)
1241 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) < fCutMinDCAToVertexZ)
1244 for (Int_t i = 0; i < 3; i++)
1245 cuts[28+i] = !CheckITSClusterRequirement(fCutClusterRequirementITS[i], esdTrack->HasPointOnITSLayer(i*2), esdTrack->HasPointOnITSLayer(i*2+1));
1247 if(fCutRequireITSStandAlone || fCutRequireITSpureSA){
1248 if ((status & AliESDtrack::kITSin) == 0 || (status & AliESDtrack::kTPCin)){
1252 // ITS standalone tracks
1253 if(fCutRequireITSStandAlone && !fCutRequireITSpureSA){
1254 if(status & AliESDtrack::kITSpureSA) cuts[31] = kTRUE;
1255 }else if(fCutRequireITSpureSA){
1256 if(!(status & AliESDtrack::kITSpureSA)) cuts[31] = kTRUE;
1261 if (relUncertainty1Pt > fCutMaxRel1PtUncertainty)
1264 if (!fCutAcceptSharedTPCClusters && nClustersTPCShared!=0)
1267 if (fracClustersTPCShared > fCutMaxFractionSharedTPCClusters)
1270 Int_t nITSPointsForPid=0;
1271 UChar_t clumap=esdTrack->GetITSClusterMap();
1272 for(Int_t i=2; i<6; i++){
1273 if(clumap&(1<<i)) ++nITSPointsForPid;
1275 if(fCutRequireITSPid && nITSPointsForPid<3) cuts[35] = kTRUE;
1278 if (nCrossedRowsTPC<fCutMinNCrossedRowsTPC)
1280 if (ratioCrossedRowsOverFindableClustersTPC<fCutMinRatioCrossedRowsOverFindableClustersTPC)
1283 Int_t nMissITSpts=0;
1284 Int_t idet,statusLay;
1286 for(Int_t iLay=0; iLay<6; iLay++){
1287 Bool_t retc=esdTrack->GetITSModuleIndexInfo(iLay,idet,statusLay,xloc,zloc);
1288 if(retc && statusLay==5) ++nMissITSpts;
1290 if(nMissITSpts>fCutMaxMissingITSPoints) cuts[38] = kTRUE;
1293 if (fCutRequireTOFout && (status&AliESDtrack::kTOFout)==0)
1296 // TOF signal Dz cut
1297 Float_t dxTOF = esdTrack->GetTOFsignalDx();
1298 Float_t dzTOF = esdTrack->GetTOFsignalDz();
1299 if (fFlagCutTOFdistance && (esdTrack->GetStatus() & AliESDtrack::kTOFout) == AliESDtrack::kTOFout){ // applying the TOF distance cut only if requested, and only on tracks that reached the TOF and where associated with a TOF hit
1300 if (fgBeamTypeFlag < 0) { // the check on the beam type was not done yet
1301 const AliESDEvent* event = esdTrack->GetESDEvent();
1303 TString beamTypeESD = event->GetBeamType();
1304 AliDebug(2,Form("Beam type from ESD event = %s",beamTypeESD.Data()));
1305 if (beamTypeESD.CompareTo("A-A",TString::kIgnoreCase) == 0){ // we are in PbPb collisions --> fgBeamTypeFlag will be set to 1, to apply the cut on TOF signal Dz
1308 else { // we are NOT in PbPb collisions --> fgBeamTypeFlag will be set to 0, to NOT apply the cu6 on TOF signal Dz
1313 AliFatal("Beam type not available, but it is needed to apply the TOF cut!");
1317 if (fgBeamTypeFlag == 1){ // we are in PbPb collisions --> apply the cut on TOF signal Dz
1318 Float_t radiusTOF = TMath::Sqrt(dxTOF*dxTOF + dzTOF*dzTOF);
1319 AliDebug(3,Form("TOF check (with fCutTOFdistance = %f) --> dx = %f, dz = %f, radius = %f", fCutTOFdistance, dxTOF, dzTOF, radiusTOF));
1320 if (radiusTOF > fCutTOFdistance){
1321 AliDebug(2, Form("************* the radius is outside the range! %f > %f, the track will be skipped", radiusTOF, fCutTOFdistance));
1328 for (Int_t i=0; i<kNCuts; i++)
1329 if (cuts[i]) {cut = kTRUE;}
1331 // for performance evaluate the CPU intensive cuts only when the others have passed, and when they are requested
1332 Double_t chi2TPCConstrainedVsGlobal = -2;
1333 Float_t nSigmaToVertex = -2;
1336 // getting the track to vertex parameters
1337 if (fCutSigmaToVertexRequired)
1339 nSigmaToVertex = GetSigmaToVertex(esdTrack);
1340 if (nSigmaToVertex > fCutNsigmaToVertex && fCutSigmaToVertexRequired)
1345 // if n sigma could not be calculated
1346 if (nSigmaToVertex<0 && fCutSigmaToVertexRequired)
1353 // max chi2 TPC constrained vs global track only if track passed the other cut
1354 if (fCutMaxChi2TPCConstrainedVsGlobal < 1e9)
1356 const AliESDEvent* esdEvent = esdTrack->GetESDEvent();
1359 AliFatal("fCutMaxChi2TPCConstrainedVsGlobal set but ESD event not set in AliESDTrack. Use AliESDTrack::SetESDEvent before calling AliESDtrackCuts.");
1362 const AliESDVertex* vertex = 0;
1363 if (fCutMaxChi2TPCConstrainedVsGlobalVertexType & kVertexTracks)
1364 vertex = esdEvent->GetPrimaryVertexTracks();
1366 if ((!vertex || !vertex->GetStatus()) && fCutMaxChi2TPCConstrainedVsGlobalVertexType & kVertexSPD)
1367 vertex = esdEvent->GetPrimaryVertexSPD();
1369 if ((!vertex || !vertex->GetStatus()) && fCutMaxChi2TPCConstrainedVsGlobalVertexType & kVertexTPC)
1370 vertex = esdEvent->GetPrimaryVertexTPC();
1372 if (vertex->GetStatus())
1373 chi2TPCConstrainedVsGlobal = esdTrack->GetChi2TPCConstrainedVsGlobal(vertex);
1375 if (chi2TPCConstrainedVsGlobal < 0 || chi2TPCConstrainedVsGlobal > fCutMaxChi2TPCConstrainedVsGlobal)
1383 //########################################################################
1384 // filling histograms
1385 if (fHistogramsOn) {
1386 fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n tracks")));
1388 fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n cut tracks")));
1390 for (Int_t i=0; i<kNCuts; i++) {
1391 if (fhCutStatistics->GetXaxis()->FindBin(fgkCutNames[i]) < 1)
1392 AliFatal(Form("Inconsistency! Cut %d with name %s not found", i, fgkCutNames[i]));
1395 fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin(fgkCutNames[i])));
1397 for (Int_t j=i; j<kNCuts; j++) {
1398 if (cuts[i] && cuts[j]) {
1399 Float_t xC = fhCutCorrelation->GetXaxis()->GetBinCenter(fhCutCorrelation->GetXaxis()->FindBin(fgkCutNames[i]));
1400 Float_t yC = fhCutCorrelation->GetYaxis()->GetBinCenter(fhCutCorrelation->GetYaxis()->FindBin(fgkCutNames[j]));
1401 fhCutCorrelation->Fill(xC, yC);
1407 // now we loop over the filling of the histograms twice: once "before" the cut, once "after"
1408 // the code is not in a function due to too many local variables that would need to be passed
1410 for (Int_t id = 0; id < 2; id++)
1412 // id = 0 --> before cut
1413 // id = 1 --> after cut
1417 fhNClustersITS[id]->Fill(nClustersITS);
1418 fhNClustersTPC[id]->Fill(nClustersTPC);
1419 fhNSharedClustersTPC[id]->Fill(nClustersTPCShared);
1420 fhNCrossedRowsTPC[id]->Fill(nCrossedRowsTPC);
1421 fhRatioCrossedRowsOverFindableClustersTPC[id]->Fill(ratioCrossedRowsOverFindableClustersTPC);
1422 fhChi2PerClusterITS[id]->Fill(chi2PerClusterITS);
1423 fhChi2PerClusterTPC[id]->Fill(chi2PerClusterTPC);
1424 fhChi2TPCConstrainedVsGlobal[id]->Fill(chi2TPCConstrainedVsGlobal);
1425 fhNClustersForITSPID[id]->Fill(nITSPointsForPid);
1426 fhNMissingITSPoints[id]->Fill(nMissITSpts);
1428 fhC11[id]->Fill(extCov[0]);
1429 fhC22[id]->Fill(extCov[2]);
1430 fhC33[id]->Fill(extCov[5]);
1431 fhC44[id]->Fill(extCov[9]);
1432 fhC55[id]->Fill(extCov[14]);
1434 fhRel1PtUncertainty[id]->Fill(relUncertainty1Pt);
1437 fhEta[id]->Fill(eta);
1438 fhTOFdistance[id]->Fill(dxTOF, dzTOF);
1441 bRes[0] = TMath::Sqrt(bCov[0]);
1442 bRes[1] = TMath::Sqrt(bCov[2]);
1444 fhDZ[id]->Fill(b[1]);
1445 fhDXY[id]->Fill(b[0]);
1446 fhDXYDZ[id]->Fill(dcaToVertex);
1447 fhDXYvsDZ[id]->Fill(b[1],b[0]);
1449 if (bRes[0]!=0 && bRes[1]!=0) {
1450 fhDZNormalized[id]->Fill(b[1]/bRes[1]);
1451 fhDXYNormalized[id]->Fill(b[0]/bRes[0]);
1452 fhDXYvsDZNormalized[id]->Fill(b[1]/bRes[1], b[0]/bRes[0]);
1453 fhNSigmaToVertex[id]->Fill(nSigmaToVertex);
1465 //____________________________________________________________________
1466 Bool_t AliESDtrackCuts::CheckITSClusterRequirement(ITSClusterRequirement req, Bool_t clusterL1, Bool_t clusterL2)
1468 // checks if the cluster requirement is fullfilled (in this case: return kTRUE)
1472 case kOff: return kTRUE;
1473 case kNone: return !clusterL1 && !clusterL2;
1474 case kAny: return clusterL1 || clusterL2;
1475 case kFirst: return clusterL1;
1476 case kOnlyFirst: return clusterL1 && !clusterL2;
1477 case kSecond: return clusterL2;
1478 case kOnlySecond: return clusterL2 && !clusterL1;
1479 case kBoth: return clusterL1 && clusterL2;
1485 //____________________________________________________________________
1486 AliESDtrack* AliESDtrackCuts::GetTPCOnlyTrack(const AliESDEvent* esd, Int_t iTrack)
1488 // Utility function to create a TPC only track from the given esd track
1490 // IMPORTANT: The track has to be deleted by the user
1492 // NB. most of the functionality to get a TPC only track from an ESD track is in AliESDtrack, where it should be
1493 // there are only missing propagations here that are needed for old data
1494 // this function will therefore become obsolete
1496 // adapted from code provided by CKB
1498 if (!esd->GetPrimaryVertexTPC())
1499 return 0; // No TPC vertex no TPC tracks
1501 if(!esd->GetPrimaryVertexTPC()->GetStatus())
1502 return 0; // TPC Vertex is created by default in AliESDEvent, do not use in this case
1504 AliESDtrack* track = esd->GetTrack(iTrack);
1508 AliESDtrack *tpcTrack = new AliESDtrack();
1510 // only true if we have a tpc track
1511 if (!track->FillTPCOnlyTrack(*tpcTrack))
1520 //____________________________________________________________________
1521 TObjArray* AliESDtrackCuts::GetAcceptedTracks(const AliESDEvent* esd, Bool_t bTPC)
1524 // returns an array of all tracks that pass the cuts
1525 // or an array of TPC only tracks (propagated to the TPC vertex during reco)
1526 // tracks that pass the cut
1528 // NOTE: List has to be deleted by the user
1530 TObjArray* acceptedTracks = new TObjArray();
1532 // loop over esd tracks
1533 for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
1535 if(!esd->GetPrimaryVertexTPC())return acceptedTracks; // No TPC vertex no TPC tracks
1536 if(!esd->GetPrimaryVertexTPC()->GetStatus())return acceptedTracks; // No proper TPC vertex, only the default
1538 AliESDtrack *tpcTrack = GetTPCOnlyTrack(esd, iTrack);
1542 if (AcceptTrack(tpcTrack)) {
1543 acceptedTracks->Add(tpcTrack);
1550 AliESDtrack* track = esd->GetTrack(iTrack);
1551 if(AcceptTrack(track))
1552 acceptedTracks->Add(track);
1555 if(bTPC)acceptedTracks->SetOwner(kTRUE);
1556 return acceptedTracks;
1559 //____________________________________________________________________
1560 Int_t AliESDtrackCuts::CountAcceptedTracks(const AliESDEvent* const esd)
1563 // returns an the number of tracks that pass the cuts
1568 // loop over esd tracks
1569 for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
1570 AliESDtrack* track = esd->GetTrack(iTrack);
1571 if (AcceptTrack(track))
1578 //____________________________________________________________________
1579 void AliESDtrackCuts::DefineHistograms(Int_t color) {
1581 // diagnostics histograms are defined
1584 fHistogramsOn=kTRUE;
1586 Bool_t oldStatus = TH1::AddDirectoryStatus();
1587 TH1::AddDirectory(kFALSE);
1589 //###################################################################################
1590 // defining histograms
1592 fhCutStatistics = new TH1F("cut_statistics","cut statistics",kNCuts+4,-0.5,kNCuts+3.5);
1594 fhCutStatistics->GetXaxis()->SetBinLabel(1,"n tracks");
1595 fhCutStatistics->GetXaxis()->SetBinLabel(2,"n cut tracks");
1597 fhCutCorrelation = new TH2F("cut_correlation","cut correlation",kNCuts,-0.5,kNCuts-0.5,kNCuts,-0.5,kNCuts-0.5);;
1599 for (Int_t i=0; i<kNCuts; i++) {
1600 fhCutStatistics->GetXaxis()->SetBinLabel(i+4,fgkCutNames[i]);
1601 fhCutCorrelation->GetXaxis()->SetBinLabel(i+1,fgkCutNames[i]);
1602 fhCutCorrelation->GetYaxis()->SetBinLabel(i+1,fgkCutNames[i]);
1605 fhCutStatistics ->SetLineColor(color);
1606 fhCutCorrelation ->SetLineColor(color);
1607 fhCutStatistics ->SetLineWidth(2);
1608 fhCutCorrelation ->SetLineWidth(2);
1610 for (Int_t i=0; i<2; i++) {
1611 fhNClustersITS[i] = new TH1F("nClustersITS" ,"",8,-0.5,7.5);
1612 fhNClustersTPC[i] = new TH1F("nClustersTPC" ,"",165,-0.5,164.5);
1613 fhNSharedClustersTPC[i] = new TH1F("nSharedClustersTPC" ,"",165,-0.5,164.5);
1614 fhNCrossedRowsTPC[i] = new TH1F("nCrossedRowsTPC" ,"",165,-0.5,164.5);
1615 fhRatioCrossedRowsOverFindableClustersTPC[i] = new TH1F("ratioCrossedRowsOverFindableClustersTPC" ,"",60,0,1.5);
1616 fhChi2PerClusterITS[i] = new TH1F("chi2PerClusterITS","",500,0,10);
1617 fhChi2PerClusterTPC[i] = new TH1F("chi2PerClusterTPC","",500,0,10);
1618 fhChi2TPCConstrainedVsGlobal[i] = new TH1F("chi2TPCConstrainedVsGlobal","",600,-2,50);
1619 fhNClustersForITSPID[i] = new TH1F("nPointsForITSpid","",5,-0.5,4.5);
1620 fhNMissingITSPoints[i] = new TH1F("nMissingITSClusters","",7,-0.5,6.5);
1622 fhC11[i] = new TH1F("covMatrixDiagonal11","",2000,0,20);
1623 fhC22[i] = new TH1F("covMatrixDiagonal22","",2000,0,20);
1624 fhC33[i] = new TH1F("covMatrixDiagonal33","",1000,0,0.1);
1625 fhC44[i] = new TH1F("covMatrixDiagonal44","",1000,0,0.1);
1626 fhC55[i] = new TH1F("covMatrixDiagonal55","",1000,0,5);
1628 fhRel1PtUncertainty[i] = new TH1F("rel1PtUncertainty","",1000,0,5);
1630 fhDXY[i] = new TH1F("dXY" ,"",500,-10,10);
1631 fhDZ[i] = new TH1F("dZ" ,"",500,-10,10);
1632 fhDXYDZ[i] = new TH1F("dXYDZ" ,"",500,0,10);
1633 fhDXYvsDZ[i] = new TH2F("dXYvsDZ","",200,-10,10,200,-10,10);
1635 fhDXYNormalized[i] = new TH1F("dXYNormalized" ,"",500,-10,10);
1636 fhDZNormalized[i] = new TH1F("dZNormalized" ,"",500,-10,10);
1637 fhDXYvsDZNormalized[i] = new TH2F("dXYvsDZNormalized","",200,-10,10,200,-10,10);
1639 fhNSigmaToVertex[i] = new TH1F("nSigmaToVertex","",500,0,10);
1641 fhPt[i] = new TH1F("pt" ,"p_{T} distribution;p_{T} (GeV/c)", 800, 0.0, 10.0);
1642 fhEta[i] = new TH1F("eta" ,"#eta distribution;#eta",40,-2.0,2.0);
1643 fhTOFdistance[i] = new TH2F("TOFdistance" ,"TOF distance;dx (cm};dz (cm)", 150, -15, 15, 150, -15, 15);
1645 fhNClustersITS[i]->SetTitle("n ITS clusters");
1646 fhNClustersTPC[i]->SetTitle("n TPC clusters");
1647 fhNSharedClustersTPC[i]->SetTitle("n TPC shared clusters");
1648 fhChi2PerClusterITS[i]->SetTitle("#Chi^{2} per ITS cluster");
1649 fhChi2PerClusterTPC[i]->SetTitle("#Chi^{2} per TPC cluster");
1650 fhChi2TPCConstrainedVsGlobal[i]->SetTitle("#Chi^{2} TPC constrained track vs global track");
1651 fhNClustersForITSPID[i]->SetTitle("n ITS points for PID");
1652 fhNMissingITSPoints[i]->SetTitle("n ITS layers with missing cluster");
1654 fhC11[i]->SetTitle("cov 11 : #sigma_{y}^{2} [cm^{2}]");
1655 fhC22[i]->SetTitle("cov 22 : #sigma_{z}^{2} [cm^{2}]");
1656 fhC33[i]->SetTitle("cov 33 : #sigma_{sin(#phi)}^{2}");
1657 fhC44[i]->SetTitle("cov 44 : #sigma_{tan(#theta_{dip})}^{2}");
1658 fhC55[i]->SetTitle("cov 55 : #sigma_{1/p_{T}}^{2} [(c/GeV)^2]");
1660 fhRel1PtUncertainty[i]->SetTitle("rel. uncertainty of 1/p_{T}");
1662 fhDXY[i]->SetXTitle("transverse impact parameter (cm)");
1663 fhDZ[i]->SetXTitle("longitudinal impact parameter (cm)");
1664 fhDXYDZ[i]->SetTitle("absolute impact parameter;sqrt(dXY**2 + dZ**2) (cm)");
1665 fhDXYvsDZ[i]->SetXTitle("longitudinal impact parameter (cm)");
1666 fhDXYvsDZ[i]->SetYTitle("transverse impact parameter (cm)");
1668 fhDXYNormalized[i]->SetTitle("normalized trans impact par (n#sigma)");
1669 fhDZNormalized[i]->SetTitle("normalized long impact par (n#sigma)");
1670 fhDXYvsDZNormalized[i]->SetTitle("normalized long impact par (n#sigma)");
1671 fhDXYvsDZNormalized[i]->SetYTitle("normalized trans impact par (n#sigma)");
1672 fhNSigmaToVertex[i]->SetTitle("n #sigma to vertex");
1674 fhNClustersITS[i]->SetLineColor(color); fhNClustersITS[i]->SetLineWidth(2);
1675 fhNClustersTPC[i]->SetLineColor(color); fhNClustersTPC[i]->SetLineWidth(2);
1676 fhNSharedClustersTPC[i]->SetLineColor(color); fhNSharedClustersTPC[i]->SetLineWidth(2);
1677 fhChi2PerClusterITS[i]->SetLineColor(color); fhChi2PerClusterITS[i]->SetLineWidth(2);
1678 fhChi2PerClusterTPC[i]->SetLineColor(color); fhChi2PerClusterTPC[i]->SetLineWidth(2);
1679 fhChi2TPCConstrainedVsGlobal[i]->SetLineColor(color); fhChi2TPCConstrainedVsGlobal[i]->SetLineWidth(2);
1680 fhNClustersForITSPID[i]->SetLineColor(color); fhNClustersForITSPID[i]->SetLineWidth(2);
1681 fhNMissingITSPoints[i]->SetLineColor(color); fhNMissingITSPoints[i]->SetLineWidth(2);
1683 fhC11[i]->SetLineColor(color); fhC11[i]->SetLineWidth(2);
1684 fhC22[i]->SetLineColor(color); fhC22[i]->SetLineWidth(2);
1685 fhC33[i]->SetLineColor(color); fhC33[i]->SetLineWidth(2);
1686 fhC44[i]->SetLineColor(color); fhC44[i]->SetLineWidth(2);
1687 fhC55[i]->SetLineColor(color); fhC55[i]->SetLineWidth(2);
1689 fhRel1PtUncertainty[i]->SetLineColor(color); fhRel1PtUncertainty[i]->SetLineWidth(2);
1691 fhDXY[i]->SetLineColor(color); fhDXY[i]->SetLineWidth(2);
1692 fhDZ[i]->SetLineColor(color); fhDZ[i]->SetLineWidth(2);
1693 fhDXYDZ[i]->SetLineColor(color); fhDXYDZ[i]->SetLineWidth(2);
1695 fhDXYNormalized[i]->SetLineColor(color); fhDXYNormalized[i]->SetLineWidth(2);
1696 fhDZNormalized[i]->SetLineColor(color); fhDZNormalized[i]->SetLineWidth(2);
1697 fhNSigmaToVertex[i]->SetLineColor(color); fhNSigmaToVertex[i]->SetLineWidth(2);
1700 // The number of sigmas to the vertex is per definition gaussian
1701 ffDTheoretical = new TF1("nSigmaToVertexTheoretical","([0]/2.506628274)*exp(-(x**2)/2)",0,50);
1702 ffDTheoretical->SetParameter(0,1);
1704 TH1::AddDirectory(oldStatus);
1707 //____________________________________________________________________
1708 Bool_t AliESDtrackCuts::LoadHistograms(const Char_t* dir)
1711 // loads the histograms from a file
1712 // if dir is empty a directory with the name of this object is taken (like in SaveHistogram)
1718 if (!gDirectory->cd(dir))
1721 ffDTheoretical = dynamic_cast<TF1*> (gDirectory->Get("nSigmaToVertexTheory"));
1723 fhCutStatistics = dynamic_cast<TH1F*> (gDirectory->Get("cut_statistics"));
1724 fhCutCorrelation = dynamic_cast<TH2F*> (gDirectory->Get("cut_correlation"));
1726 for (Int_t i=0; i<2; i++) {
1729 gDirectory->cd("before_cuts");
1732 gDirectory->cd("after_cuts");
1734 fhNClustersITS[i] = dynamic_cast<TH1F*> (gDirectory->Get("nClustersITS" ));
1735 fhNClustersTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("nClustersTPC" ));
1736 fhNSharedClustersTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("nSharedClustersTPC" ));
1737 fhNCrossedRowsTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("nCrossedRowsTPC" ));
1738 fhRatioCrossedRowsOverFindableClustersTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("ratioCrossedRowsOverFindableClustersTPC" ));
1739 fhChi2PerClusterITS[i] = dynamic_cast<TH1F*> (gDirectory->Get("chi2PerClusterITS"));
1740 fhChi2PerClusterTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("chi2PerClusterTPC"));
1741 fhChi2TPCConstrainedVsGlobal[i] = dynamic_cast<TH1F*> (gDirectory->Get("fhChi2TPCConstrainedVsGlobal"));
1742 fhNClustersForITSPID[i] = dynamic_cast<TH1F*> (gDirectory->Get("nPointsForITSpid"));
1743 fhNMissingITSPoints[i] = dynamic_cast<TH1F*> (gDirectory->Get("nMissingITSClusters"));
1745 fhC11[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal11"));
1746 fhC22[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal22"));
1747 fhC33[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal33"));
1748 fhC44[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal44"));
1749 fhC55[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal55"));
1751 fhRel1PtUncertainty[i] = dynamic_cast<TH1F*> (gDirectory->Get("rel1PtUncertainty"));
1753 fhDXY[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXY" ));
1754 fhDZ[i] = dynamic_cast<TH1F*> (gDirectory->Get("dZ" ));
1755 fhDXYDZ[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXYDZ"));
1756 fhDXYvsDZ[i] = dynamic_cast<TH2F*> (gDirectory->Get("dXYvsDZ"));
1758 fhDXYNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXYNormalized" ));
1759 fhDZNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get("dZNormalized" ));
1760 fhDXYvsDZNormalized[i] = dynamic_cast<TH2F*> (gDirectory->Get("dXYvsDZNormalized"));
1761 fhNSigmaToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get("nSigmaToVertex"));
1763 fhPt[i] = dynamic_cast<TH1F*> (gDirectory->Get("pt"));
1764 fhEta[i] = dynamic_cast<TH1F*> (gDirectory->Get("eta"));
1765 fhTOFdistance[i] = dynamic_cast<TH2F*> (gDirectory->Get("TOFdistance"));
1767 gDirectory->cd("../");
1770 gDirectory->cd("..");
1775 //____________________________________________________________________
1776 void AliESDtrackCuts::SaveHistograms(const Char_t* dir) {
1778 // saves the histograms in a directory (dir)
1781 if (!fHistogramsOn) {
1782 AliDebug(0, "Histograms not on - cannot save histograms!!!");
1789 gDirectory->mkdir(dir);
1790 gDirectory->cd(dir);
1792 gDirectory->mkdir("before_cuts");
1793 gDirectory->mkdir("after_cuts");
1795 // a factor of 2 is needed since n sigma is positive
1796 ffDTheoretical->SetParameter(0,2*fhNSigmaToVertex[0]->Integral("width"));
1797 ffDTheoretical->Write("nSigmaToVertexTheory");
1799 fhCutStatistics->Write();
1800 fhCutCorrelation->Write();
1802 for (Int_t i=0; i<2; i++) {
1804 gDirectory->cd("before_cuts");
1806 gDirectory->cd("after_cuts");
1808 fhNClustersITS[i] ->Write();
1809 fhNClustersTPC[i] ->Write();
1810 fhNSharedClustersTPC[i] ->Write();
1811 fhNCrossedRowsTPC[i] ->Write();
1812 fhRatioCrossedRowsOverFindableClustersTPC[i] ->Write();
1813 fhChi2PerClusterITS[i] ->Write();
1814 fhChi2PerClusterTPC[i] ->Write();
1815 fhChi2TPCConstrainedVsGlobal[i] ->Write();
1816 fhNClustersForITSPID[i] ->Write();
1817 fhNMissingITSPoints[i] ->Write();
1825 fhRel1PtUncertainty[i] ->Write();
1829 fhDXYDZ[i] ->Write();
1830 fhDXYvsDZ[i] ->Write();
1832 fhDXYNormalized[i] ->Write();
1833 fhDZNormalized[i] ->Write();
1834 fhDXYvsDZNormalized[i] ->Write();
1835 fhNSigmaToVertex[i] ->Write();
1839 fhTOFdistance[i] ->Write();
1841 gDirectory->cd("../");
1844 gDirectory->cd("../");
1847 //____________________________________________________________________
1848 void AliESDtrackCuts::DrawHistograms()
1850 // draws some histograms
1852 TCanvas* canvas1 = new TCanvas(Form("%s_1", GetName()), "Track Quality Results1", 800, 800);
1853 canvas1->Divide(2, 2);
1856 fhNClustersTPC[0]->SetStats(kFALSE);
1857 fhNClustersTPC[0]->Draw();
1860 fhChi2PerClusterTPC[0]->SetStats(kFALSE);
1861 fhChi2PerClusterTPC[0]->Draw();
1864 fhNSigmaToVertex[0]->SetStats(kFALSE);
1865 fhNSigmaToVertex[0]->GetXaxis()->SetRangeUser(0, 10);
1866 fhNSigmaToVertex[0]->Draw();
1868 canvas1->SaveAs(Form("%s_%s.gif", GetName(), canvas1->GetName()));
1870 TCanvas* canvas2 = new TCanvas(Form("%s_2", GetName()), "Track Quality Results2", 1200, 800);
1871 canvas2->Divide(3, 2);
1874 fhC11[0]->SetStats(kFALSE);
1879 fhC22[0]->SetStats(kFALSE);
1884 fhC33[0]->SetStats(kFALSE);
1889 fhC44[0]->SetStats(kFALSE);
1894 fhC55[0]->SetStats(kFALSE);
1899 fhRel1PtUncertainty[0]->SetStats(kFALSE);
1901 fhRel1PtUncertainty[0]->Draw();
1903 canvas2->SaveAs(Form("%s_%s.gif", GetName(), canvas2->GetName()));
1905 TCanvas* canvas3 = new TCanvas(Form("%s_3", GetName()), "Track Quality Results3", 1200, 800);
1906 canvas3->Divide(3, 2);
1909 fhDXY[0]->SetStats(kFALSE);
1914 fhDZ[0]->SetStats(kFALSE);
1919 fhDXYvsDZ[0]->SetStats(kFALSE);
1921 gPad->SetRightMargin(0.15);
1922 fhDXYvsDZ[0]->Draw("COLZ");
1925 fhDXYNormalized[0]->SetStats(kFALSE);
1927 fhDXYNormalized[0]->Draw();
1930 fhDZNormalized[0]->SetStats(kFALSE);
1932 fhDZNormalized[0]->Draw();
1935 fhDXYvsDZNormalized[0]->SetStats(kFALSE);
1937 gPad->SetRightMargin(0.15);
1938 fhDXYvsDZNormalized[0]->Draw("COLZ");
1940 canvas3->SaveAs(Form("%s_%s.gif", GetName(), canvas3->GetName()));
1942 TCanvas* canvas4 = new TCanvas(Form("%s_4", GetName()), "Track Quality Results4", 800, 500);
1943 canvas4->Divide(2, 1);
1946 fhCutStatistics->SetStats(kFALSE);
1947 fhCutStatistics->LabelsOption("v");
1948 gPad->SetBottomMargin(0.3);
1949 fhCutStatistics->Draw();
1952 fhCutCorrelation->SetStats(kFALSE);
1953 fhCutCorrelation->LabelsOption("v");
1954 gPad->SetBottomMargin(0.3);
1955 gPad->SetLeftMargin(0.3);
1956 fhCutCorrelation->Draw("COLZ");
1958 canvas4->SaveAs(Form("%s_%s.gif", GetName(), canvas4->GetName()));
1961 fhDXYvsDZNormalized[0]->SetStats(kFALSE);
1962 fhDXYvsDZNormalized[0]->DrawCopy("COLZ");
1965 fhNClustersTPC[0]->SetStats(kFALSE);
1966 fhNClustersTPC[0]->DrawCopy();
1969 fhChi2PerClusterITS[0]->SetStats(kFALSE);
1970 fhChi2PerClusterITS[0]->DrawCopy();
1971 fhChi2PerClusterITS[1]->SetLineColor(2);
1972 fhChi2PerClusterITS[1]->DrawCopy("SAME");
1975 fhChi2PerClusterTPC[0]->SetStats(kFALSE);
1976 fhChi2PerClusterTPC[0]->DrawCopy();
1977 fhChi2PerClusterTPC[1]->SetLineColor(2);
1978 fhChi2PerClusterTPC[1]->DrawCopy("SAME");*/
1980 //--------------------------------------------------------------------------
1981 void AliESDtrackCuts::SetPtDepDCACuts(Double_t pt) {
1983 // set the pt-dependent DCA cuts
1986 if(f1CutMaxDCAToVertexXYPtDep) {
1987 fCutMaxDCAToVertexXY=f1CutMaxDCAToVertexXYPtDep->Eval(pt);
1990 if(f1CutMaxDCAToVertexZPtDep) {
1991 fCutMaxDCAToVertexZ=f1CutMaxDCAToVertexZPtDep->Eval(pt);
1994 if(f1CutMinDCAToVertexXYPtDep) {
1995 fCutMinDCAToVertexXY=f1CutMinDCAToVertexXYPtDep->Eval(pt);
1998 if(f1CutMinDCAToVertexZPtDep) {
1999 fCutMinDCAToVertexZ=f1CutMinDCAToVertexZPtDep->Eval(pt);
2008 //--------------------------------------------------------------------------
2009 Bool_t AliESDtrackCuts::CheckPtDepDCA(TString dist,Bool_t print) const {
2011 // Check the correctness of the string syntax
2013 Bool_t retval=kTRUE;
2015 if(!dist.Contains("pt")) {
2016 if(print) AliError("string must contain \"pt\"");
2022 void AliESDtrackCuts::SetMaxDCAToVertexXYPtDep(const char *dist){
2024 if(f1CutMaxDCAToVertexXYPtDep){
2025 delete f1CutMaxDCAToVertexXYPtDep;
2027 f1CutMaxDCAToVertexXYPtDep = 0;
2028 fCutMaxDCAToVertexXYPtDep = "";
2030 if(!CheckPtDepDCA(dist,kTRUE)){
2033 fCutMaxDCAToVertexXYPtDep = dist;
2035 tmp.ReplaceAll("pt","x");
2036 f1CutMaxDCAToVertexXYPtDep = new TFormula("f1CutMaxDCAToVertexXYPtDep",tmp.Data());
2040 void AliESDtrackCuts::SetMaxDCAToVertexZPtDep(const char *dist){
2043 if(f1CutMaxDCAToVertexZPtDep){
2044 delete f1CutMaxDCAToVertexZPtDep;
2046 f1CutMaxDCAToVertexZPtDep = 0;
2047 fCutMaxDCAToVertexZPtDep = "";
2049 if(!CheckPtDepDCA(dist,kTRUE))return;
2051 fCutMaxDCAToVertexZPtDep = dist;
2053 tmp.ReplaceAll("pt","x");
2054 f1CutMaxDCAToVertexZPtDep = new TFormula("f1CutMaxDCAToVertexZPtDep",tmp.Data());
2060 void AliESDtrackCuts::SetMinDCAToVertexXYPtDep(const char *dist){
2063 if(f1CutMinDCAToVertexXYPtDep){
2064 delete f1CutMinDCAToVertexXYPtDep;
2066 f1CutMinDCAToVertexXYPtDep = 0;
2067 fCutMinDCAToVertexXYPtDep = "";
2069 if(!CheckPtDepDCA(dist,kTRUE))return;
2071 fCutMinDCAToVertexXYPtDep = dist;
2073 tmp.ReplaceAll("pt","x");
2074 f1CutMinDCAToVertexXYPtDep = new TFormula("f1CutMinDCAToVertexXYPtDep",tmp.Data());
2079 void AliESDtrackCuts::SetMinDCAToVertexZPtDep(const char *dist){
2083 if(f1CutMinDCAToVertexZPtDep){
2084 delete f1CutMinDCAToVertexZPtDep;
2086 f1CutMinDCAToVertexZPtDep = 0;
2087 fCutMinDCAToVertexZPtDep = "";
2089 if(!CheckPtDepDCA(dist,kTRUE))return;
2090 fCutMinDCAToVertexZPtDep = dist;
2092 tmp.ReplaceAll("pt","x");
2093 f1CutMinDCAToVertexZPtDep = new TFormula("f1CutMinDCAToVertexZPtDep",tmp.Data());
2096 AliESDtrackCuts* AliESDtrackCuts::GetMultEstTrackCuts(MultEstTrackCuts cut)
2098 // returns the multiplicity estimator track cuts objects to allow for user configuration
2099 // upon first call the objects are created
2101 // the cut defined here correspond to GetStandardITSTPCTrackCuts2010 (apart from the one for without SPD)
2103 if (!fgMultEstTrackCuts[kMultEstTrackCutGlobal])
2105 // quality cut on ITS+TPC tracks
2106 fgMultEstTrackCuts[kMultEstTrackCutGlobal] = new AliESDtrackCuts();
2107 fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetMinNClustersTPC(70);
2108 fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetMaxChi2PerClusterTPC(4);
2109 fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetAcceptKinkDaughters(kFALSE);
2110 fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetRequireTPCRefit(kTRUE);
2111 fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetRequireITSRefit(kTRUE);
2112 //multiplicity underestimate if we use global tracks with |eta| > 0.9
2113 fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetEtaRange(-0.9, 0.9);
2115 // quality cut on ITS_SA tracks (complementary to ITS+TPC)
2116 fgMultEstTrackCuts[kMultEstTrackCutITSSA] = new AliESDtrackCuts();
2117 fgMultEstTrackCuts[kMultEstTrackCutITSSA]->SetRequireITSRefit(kTRUE);
2119 // primary selection for tracks with SPD hits
2120 fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD] = new AliESDtrackCuts();
2121 fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kAny);
2122 fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01");
2123 fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->SetMaxDCAToVertexZ(2);
2125 // primary selection for tracks w/o SPD hits
2126 fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD] = new AliESDtrackCuts();
2127 fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kNone);
2128 fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->SetMaxDCAToVertexXYPtDep("1.5*(0.0182+0.0350/pt^1.01)");
2129 fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->SetMaxDCAToVertexZ(2);
2132 return fgMultEstTrackCuts[cut];
2135 Int_t AliESDtrackCuts::GetReferenceMultiplicity(const AliESDEvent* esd, MultEstTrackType trackType, Float_t etaRange)
2137 // Get multiplicity estimate based on TPC/ITS tracks and tracklets
2138 // Adapted for AliESDtrackCuts from a version developed by: Ruben Shahoyan, Anton Alkin, Arvinder Palaha
2140 // Returns a negative value if no reliable estimate can be provided:
2141 // -1 SPD vertex missing
2142 // -2 SPD VertexerZ dispersion too large
2143 // -3 Track vertex missing (not checked for kTracklets)
2144 // -4 Distance between SPD and track vertices too large (not checked for kTracklets)
2146 // WARNING This functions does not cut on the z vtx. Depending on the eta range requested, you need to restrict your z vertex range!
2148 // Strategy for combined estimators
2149 // 1. Count global tracks and flag them
2150 // 2. Count ITSSA as complementaries for ITSTPC+ or as main tracks
2151 // 3. Count the complementary SPD tracklets
2153 const AliESDVertex* vertices[2];
2154 vertices[0] = esd->GetPrimaryVertexSPD();
2155 vertices[1] = esd->GetPrimaryVertexTracks();
2157 if (!vertices[0]->GetStatus())
2159 AliDebugClass(AliLog::kDebug, "No SPD vertex. Not able to make a reliable multiplicity estimate.");
2163 if (vertices[0]->IsFromVertexerZ() && vertices[0]->GetDispersion() > 0.02)
2165 AliDebugClass(AliLog::kDebug, "Vertexer z dispersion > 0.02. Not able to make a reliable multiplicity estimate.");
2169 Int_t multiplicityEstimate = 0;
2171 // SPD tracklet-only estimate
2172 if (trackType == kTracklets)
2174 const AliMultiplicity* spdmult = esd->GetMultiplicity(); // spd multiplicity object
2175 for (Int_t i=0; i<spdmult->GetNumberOfTracklets(); ++i)
2177 if (TMath::Abs(spdmult->GetEta(i)) > etaRange)
2178 continue; // eta selection for tracklets
2179 multiplicityEstimate++;
2181 return multiplicityEstimate;
2184 if (!vertices[1]->GetStatus())
2186 AliDebugClass(AliLog::kDebug, "No track vertex. Not able to make a reliable multiplicity estimate.");
2190 // TODO value of displacement to be studied
2191 const Float_t maxDisplacement = 0.5;
2192 //check for displaced vertices
2193 Double_t displacement = TMath::Abs(vertices[0]->GetZ() - vertices[1]->GetZ());
2194 if (displacement > maxDisplacement)
2196 AliDebugClass(AliLog::kDebug, Form("Displaced vertices %f > %f",displacement,maxDisplacement));
2200 // update eta range in track cuts
2201 GetMultEstTrackCuts(kMultEstTrackCutITSSA)->SetEtaRange(-etaRange, etaRange);
2202 GetMultEstTrackCuts(kMultEstTrackCutDCAwSPD)->SetEtaRange(-etaRange, etaRange);
2203 GetMultEstTrackCuts(kMultEstTrackCutDCAwoSPD)->SetEtaRange(-etaRange, etaRange);
2205 //*******************************************************************************************************
2206 //set counters to initial zeros
2207 Int_t tracksITSTPC = 0; //number of global tracks for a given event
2208 Int_t tracksITSSA = 0; //number of ITS standalone tracks for a given event
2209 Int_t tracksITSTPCSA_complementary = 0; //number of ITS standalone tracks complementary to TPC for a given event
2210 Int_t trackletsITSTPC_complementary = 0;//number of SPD tracklets complementary to global/ITSSA tracks for a given events
2211 Int_t trackletsITSSA_complementary = 0; //number of SPD tracklets complementary to ITSSA tracks for a given event
2213 const Int_t nESDTracks = esd->GetNumberOfTracks();
2214 Int_t highestID = 0;
2216 // flags for secondary and rejected tracks
2217 const Int_t kRejBit = BIT(15); // set this bit in global tracks if it is rejected by a cut
2218 const Int_t kSecBit = BIT(16); // set this bit in global tracks if it is secondary according to a cut
2220 for(Int_t itracks=0; itracks < nESDTracks; itracks++) {
2221 esd->GetTrack(itracks)->ResetBit(kSecBit|kRejBit); //reset bits used for flagging secondaries and rejected tracks in case they were changed before this analysis
2223 const Int_t maxid = nESDTracks+1; // used to define bool array for check multiple associations of tracklets to one track. array starts at 0.
2225 // bit mask for esd tracks, to check if multiple tracklets are associated to it
2226 TBits globalBits(maxid), pureITSBits(maxid);
2227 // why labels are used with the data? RS
2228 // Bool_t globalBits[maxid], pureITSBits[maxid];
2229 // for(Int_t i=0; i<maxid; i++){ // set all bools to false
2230 // globalBits[i]=kFALSE;
2231 // pureITSBits[i]=kFALSE;
2234 //*******************************************************************************************************
2235 // get multiplicity from global tracks
2236 for(Int_t itracks = 0; itracks < nESDTracks; itracks++) { // flag the tracks
2237 AliESDtrack* track = esd->GetTrack(itracks);
2239 // if track is a secondary from a V0, flag as a secondary
2240 if (track->IsOn(AliESDtrack::kMultInV0)) {
2241 track->SetBit(kSecBit);
2244 /* done via proper DCA cut
2246 if (track->IsOn(AliESDtrack::kMultSec)) {
2247 track->SetBit(kSecBit);
2251 // check tracks with ITS part
2252 //*******************************************************************************************************
2253 if (track->IsOn(AliESDtrack::kITSin) && !track->IsOn(AliESDtrack::kITSpureSA) && trackType == kTrackletsITSTPC) { // track has ITS part but is not an ITS_SA
2254 //*******************************************************************************************************
2256 if (track->IsOn(AliESDtrack::kTPCin)) { // Global track, has ITS and TPC contributions
2257 if (fgMultEstTrackCuts[kMultEstTrackCutGlobal]->AcceptTrack(track)) { // good ITSTPC track
2258 if (fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->AcceptTrack(track) || fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->AcceptTrack(track)) {
2259 tracksITSTPC++; //global track counted
2260 globalBits.SetBitNumber(itracks);
2262 else track->SetBit(kSecBit); // large DCA -> secondary, don't count either track not associated tracklet
2264 else track->SetBit(kRejBit); // bad quality, don't count the track, but may count tracklet if associated
2266 //*******************************************************************************************************
2267 // ITS complementary
2268 else if (fgMultEstTrackCuts[kMultEstTrackCutITSSA]->AcceptTrack(track)) { // good ITS complementary track
2269 if (fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->AcceptTrack(track) || fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->AcceptTrack(track)) {
2270 tracksITSTPCSA_complementary++;
2271 globalBits.SetBitNumber(itracks);
2273 else track->SetBit(kSecBit); // large DCA -> secondary, don't count either track not associated tracklet
2275 else track->SetBit(kRejBit); // bad quality, don't count the track, but may count tracklet if associated
2277 //*******************************************************************************************************
2278 // check tracks from ITS_SA_PURE
2279 if (track->IsOn(AliESDtrack::kITSin) && track->IsOn(AliESDtrack::kITSpureSA) && trackType == kTrackletsITSSA){
2280 if (fgMultEstTrackCuts[kMultEstTrackCutITSSA]->AcceptTrack(track)) { // good ITSSA track
2281 if (fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->AcceptTrack(track) || fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->AcceptTrack(track)) {
2283 pureITSBits.SetBitNumber(itracks);
2285 else track->SetBit(kRejBit);
2287 else track->SetBit(kRejBit);
2289 }//ESD tracks counted
2291 //*******************************************************************************************************
2292 // get multiplicity from ITS tracklets to complement TPC+ITS, and ITSpureSA
2293 const AliMultiplicity* spdmult = esd->GetMultiplicity(); // spd multiplicity object
2294 for (Int_t i=0; i<spdmult->GetNumberOfTracklets(); ++i) {
2295 if (TMath::Abs(spdmult->GetEta(i)) > etaRange) continue; // eta selection for tracklets
2297 // if counting tracks+tracklets, check if clusters were already used in tracks
2298 Int_t id1,id2,id3,id4;
2299 spdmult->GetTrackletTrackIDs(i,0,id1,id2); // references for eventual Global/ITS_SA tracks
2300 AliESDtrack* tr1 = id1>=0 ? esd->GetTrack(id1) : 0;
2301 spdmult->GetTrackletTrackIDs(i,1,id3,id4); // references for eventual ITS_SA_pure tracks
2302 AliESDtrack* tr3 = id3>=0 ? esd->GetTrack(id3) : 0;
2304 // are both clusters from the same tracks? If not, skip the tracklet (shouldn't change things much)
2305 if ((id1!=id2 && id1>=0 && id2>=0) || (id3!=id4 && id3>=0 && id4>=0)) continue;
2307 Bool_t bUsedInGlobal = (id1 != -1) ? globalBits.TestBitNumber(id1) : 0;// has associated global track been associated to a previous tracklet?
2308 Bool_t bUsedInPureITS = (id3 != -1) ? pureITSBits.TestBitNumber(id3) : 0;// has associated pure ITS track been associated to a previous tracklet?
2309 //*******************************************************************************************************
2310 if (trackType == kTrackletsITSTPC) {
2311 // count tracklets towards global+complementary tracks
2312 if ( (tr1 && !tr1->TestBit(kSecBit)) && // reject as secondary
2313 (tr1 && tr1->TestBit(kRejBit)) ) { // count tracklet as bad quality track
2315 ++trackletsITSTPC_complementary;
2316 if(id1>0) globalBits.SetBitNumber(id1); // mark global track linked to this tracklet as "associated"
2320 ++trackletsITSTPC_complementary; // if no associated track, count the tracklet
2323 // count tracklets towards ITS_SA_pure tracks
2324 if ( (tr3 && !tr3->TestBit(kSecBit)) && // reject as secondary
2325 (tr3 && tr3->TestBit(kRejBit)) ) { // count tracklet as bad quality track
2326 if(!bUsedInPureITS) {
2327 ++trackletsITSSA_complementary;
2328 if(id3>0) pureITSBits.SetBitNumber(id3); // mark global track linked to this tracklet as "associated"
2332 ++trackletsITSSA_complementary; // if no associated track, count the tracklet
2337 //*******************************************************************************************************
2338 if (trackType == kTrackletsITSTPC)
2339 multiplicityEstimate = tracksITSTPC + tracksITSTPCSA_complementary + trackletsITSTPC_complementary;
2341 multiplicityEstimate = tracksITSSA + trackletsITSSA_complementary;
2343 return multiplicityEstimate;
2346 //____________________________________________________________________
2347 void AliESDtrackCuts::SetRequireStandardTOFmatchCuts(){
2349 // setting the TOF cuts flags (kTOFout = TOF matching distance) to true, to include the selection on the standard TOF matching
2351 SetRequireTOFout(kTRUE);
2352 SetFlagCutTOFdistance(kTRUE);
2353 SetCutTOFdistance(3.);