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 **************************************************************************/
20 #include <TDatabasePDG.h>
23 #include "TTreeStream.h"
29 #include "TObjArray.h"
34 #include "AliHeader.h"
35 #include "AliGenEventHeader.h"
36 #include "AliInputEventHandler.h"
38 #include "AliTrackReference.h"
39 #include "AliTrackPointArray.h"
40 #include "AliSysInfo.h"
42 #include "AliPhysicsSelection.h"
43 #include "AliAnalysisTask.h"
44 #include "AliAnalysisManager.h"
45 #include "AliESDEvent.h"
46 #include "AliESDfriend.h"
47 #include "AliMCEvent.h"
48 #include "AliESDInputHandler.h"
49 #include "AliESDVertex.h"
50 #include "AliTracker.h"
51 #include "AliVTrack.h"
52 #include "AliGeomManager.h"
54 #include "AliCentrality.h"
55 #include "AliESDVZERO.h"
56 #include "AliMultiplicity.h"
58 #include "AliESDtrackCuts.h"
59 #include "AliMCEventHandler.h"
60 #include "AliFilteredTreeEventCuts.h"
61 #include "AliFilteredTreeAcceptanceCuts.h"
63 #include "AliAnalysisTaskFilteredTree.h"
64 #include "AliKFParticle.h"
70 ClassImp(AliAnalysisTaskFilteredTree)
72 //_____________________________________________________________________________
73 AliAnalysisTaskFilteredTree::AliAnalysisTaskFilteredTree(const char *name)
74 : AliAnalysisTaskSE(name)
81 , fUseESDfriends(kFALSE)
82 , fReducePileUp(kTRUE)
84 , fFilteredTreeEventCuts(0)
85 , fFilteredTreeAcceptanceCuts(0)
86 , fFilteredTreeRecAcceptanceCuts(0)
88 , fTrigger(AliTriggerAnalysis::kMB1)
89 , fAnalysisMode(kTPCAnalysisMode)
91 , fCentralityEstimator(0)
92 , fLowPtTrackDownscaligF(0)
93 , fLowPtV0DownscaligF(0)
95 , fProcessCosmics(kFALSE)
101 , fCosmicPairsTree(0)
104 , fPtResPhiPtTPCITS(0)
107 , fPtResEtaPtTPCITS(0)
109 , fPtResCentPtTPCc(0)
110 , fPtResCentPtTPCITS(0)
111 , fDummyFriendTrack(0)
116 // Define input and output slots here
117 DefineOutput(1, TTree::Class());
118 DefineOutput(2, TTree::Class());
119 DefineOutput(3, TTree::Class());
120 DefineOutput(4, TTree::Class());
121 DefineOutput(5, TTree::Class());
122 DefineOutput(6, TTree::Class());
123 DefineOutput(7, TList::Class());
126 //_____________________________________________________________________________
127 AliAnalysisTaskFilteredTree::~AliAnalysisTaskFilteredTree()
129 //the output trees not to be deleted in case of proof analysis
130 //Bool_t deleteTrees=kTRUE;
131 //if ((AliAnalysisManager::GetAnalysisManager()))
133 // if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() ==
134 // AliAnalysisManager::kProofAnalysis)
135 // deleteTrees=kFALSE;
137 //if (deleteTrees) delete fTreeSRedirector;
139 delete fFilteredTreeEventCuts;
140 delete fFilteredTreeAcceptanceCuts;
141 delete fFilteredTreeRecAcceptanceCuts;
142 delete fEsdTrackCuts;
145 //____________________________________________________________________________
146 Bool_t AliAnalysisTaskFilteredTree::Notify()
148 static Int_t count = 0;
150 TTree *chain = (TChain*)GetInputData(0);
153 Printf("Processing %d. file: %s", count, chain->GetCurrentFile()->GetName());
159 //_____________________________________________________________________________
160 void AliAnalysisTaskFilteredTree::UserCreateOutputObjects()
166 //get the output file to make sure the trees will be associated to it
168 fTreeSRedirector = new TTreeSRedirector();
172 fV0Tree = ((*fTreeSRedirector)<<"V0s").GetTree();
173 fHighPtTree = ((*fTreeSRedirector)<<"highPt").GetTree();
174 fdEdxTree = ((*fTreeSRedirector)<<"dEdx").GetTree();
175 fLaserTree = ((*fTreeSRedirector)<<"Laser").GetTree();
176 fMCEffTree = ((*fTreeSRedirector)<<"MCEffTree").GetTree();
177 fCosmicPairsTree = ((*fTreeSRedirector)<<"CosmicPairs").GetTree();
179 if (!fDummyFriendTrack)
181 fDummyFriendTrack=new AliESDfriendTrack();
182 fDummyFriendTrack->SetTrackPointArray(new AliTrackPointArray(164));
183 printf("just made a new dummy friend track!");
187 fDummyTrack=new AliESDtrack();
192 Double_t minPt = 0.1;
193 Double_t maxPt = 100.;
196 Double_t logminPt = TMath::Log10(minPt);
197 Double_t logmaxPt = TMath::Log10(maxPt);
198 Double_t binwidth = (logmaxPt-logminPt)/nbinsPt;
199 Double_t *binsPt = new Double_t[nbinsPt+1];
201 for (Int_t i=1;i<=nbinsPt;i++) {
202 binsPt[i] = minPt + TMath::Power(10,logminPt+i*binwidth);
205 // 1pT resol cov matrix bins
206 Double_t min1PtRes = 0.;
207 Double_t max1PtRes = 0.3;
208 Int_t nbins1PtRes = 300;
209 Double_t bins1PtRes[301];
210 for (Int_t i=0;i<=nbins1PtRes;i++) {
211 bins1PtRes[i] = min1PtRes + i*(max1PtRes-min1PtRes)/nbins1PtRes;
215 Double_t minPhi = 0.;
216 Double_t maxPhi = 6.5;
217 Int_t nbinsPhi = 100;
218 Double_t binsPhi[101];
219 for (Int_t i=0;i<=nbinsPhi;i++) {
220 binsPhi[i] = minPhi + i*(maxPhi-minPhi)/nbinsPhi;
224 Double_t minEta = -1.;
225 Double_t maxEta = 1.;
227 Double_t binsEta[21];
228 for (Int_t i=0;i<=nbinsEta;i++) {
229 binsEta[i] = minEta + i*(maxEta-minEta)/nbinsEta;
233 Double_t minCent = 0.;
234 Double_t maxCent = 100;
235 Int_t nbinsCent = 20;
236 Double_t binsCent[101];
237 for (Int_t i=0;i<=nbinsCent;i++) {
238 binsCent[i] = minCent + i*(maxCent-minCent)/nbinsCent;
241 fPtResPhiPtTPC = new TH3D("fPtResPhiPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes);
242 fPtResPhiPtTPCc = new TH3D("fPtResPhiPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes);
243 fPtResPhiPtTPCITS = new TH3D("fPtResPhiPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes);
245 fPtResEtaPtTPC = new TH3D("fPtResEtaPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes);
246 fPtResEtaPtTPCc = new TH3D("fPtResEtaPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes);
247 fPtResEtaPtTPCITS = new TH3D("fPtResEtaPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes);
249 fPtResCentPtTPC = new TH3D("fPtResCentPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes);
250 fPtResCentPtTPCc = new TH3D("fPtResCentPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes);
251 fPtResCentPtTPCITS = new TH3D("fPtResCentPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes);
258 fOutput->Add(fPtResPhiPtTPC);
259 fOutput->Add(fPtResPhiPtTPCc);
260 fOutput->Add(fPtResPhiPtTPCITS);
261 fOutput->Add(fPtResEtaPtTPC);
262 fOutput->Add(fPtResEtaPtTPCc);
263 fOutput->Add(fPtResEtaPtTPCITS);
264 fOutput->Add(fPtResCentPtTPC);
265 fOutput->Add(fPtResCentPtTPCc);
266 fOutput->Add(fPtResCentPtTPCITS);
268 // post data to outputs
271 PostData(2,fHighPtTree);
272 PostData(3,fdEdxTree);
273 PostData(4,fLaserTree);
274 PostData(5,fMCEffTree);
275 PostData(6,fCosmicPairsTree);
280 //_____________________________________________________________________________
281 void AliAnalysisTaskFilteredTree::UserExec(Option_t *)
284 // Called for each event
288 fESD = (AliESDEvent*) (InputEvent());
290 Printf("ERROR: ESD event not available");
298 // Printf("ERROR: MC event not available");
303 //if MC info available - use it.
307 //fESDfriend = dynamic_cast<AliESDfriend*>(fESD->FindListObject("AliESDfriend"));
308 fESDfriend = ESDfriend();
311 Printf("ERROR: ESD friends not available");
315 //if set, use the environment variables to set the downscaling factors
316 //AliAnalysisTaskFilteredTree_fLowPtTrackDownscaligF
317 //AliAnalysisTaskFilteredTree_fLowPtV0DownscaligF
319 env = gSystem->Getenv("AliAnalysisTaskFilteredTree_fLowPtTrackDownscaligF");
322 fLowPtTrackDownscaligF=env.Atof();
323 AliInfo(Form("fLowPtTrackDownscaligF=%f",fLowPtTrackDownscaligF));
325 env = gSystem->Getenv("AliAnalysisTaskFilteredTree_fLowPtV0DownscaligF");
328 fLowPtV0DownscaligF=env.Atof();
329 AliInfo(Form("fLowPtV0DownscaligF=%f",fLowPtTrackDownscaligF));
334 ProcessAll(fESD,fMC,fESDfriend); // all track stages and MC
337 Process(fESD,fMC,fESDfriend); // only global and TPC tracks
341 ProcessV0(fESD,fMC,fESDfriend);
342 ProcessLaser(fESD,fMC,fESDfriend);
343 ProcessdEdx(fESD,fMC,fESDfriend);
345 if (fProcessCosmics) { ProcessCosmics(fESD,fESDfriend); }
346 if(fMC) { ProcessMCEff(fESD,fMC,fESDfriend);}
347 printf("processed event %i\n", Entry());
350 //_____________________________________________________________________________
351 void AliAnalysisTaskFilteredTree::ProcessCosmics(AliESDEvent *const event, AliESDfriend* esdFriend)
354 // Select real events with high-pT tracks
357 AliDebug(AliLog::kError, "event not available");
362 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
365 Printf("ERROR: Could not receive input handler");
370 TTree *chain = (TChain*)GetInputData(0);
372 Printf("ERROR: Could not receive input chain");
375 TObjString fileName(chain->GetCurrentFile()->GetName());
378 // check for cosmic pairs
380 // find cosmic pairs trigger by random trigger
383 AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD();
384 AliESDVertex *vertexTPC = (AliESDVertex *)event->GetPrimaryVertexTPC();
385 const Double_t kMinPt=0.8;
386 const Double_t kMinPtMax=0.8;
387 const Double_t kMinNcl=50;
388 const Double_t kMaxDelta[5]={2,600,0.02,0.02,0.1};
389 Int_t ntracks=event->GetNumberOfTracks();
390 // Float_t dcaTPC[2]={0,0};
391 // Float_t covTPC[3]={0,0,0};
393 UInt_t specie = event->GetEventSpecie(); // skip laser events
394 if (specie==AliRecoParam::kCalib) return;
398 for (Int_t itrack0=0;itrack0<ntracks;itrack0++) {
399 AliESDtrack *track0 = event->GetTrack(itrack0);
400 if (!track0) continue;
401 if (!track0->IsOn(AliESDtrack::kTPCrefit)) continue;
403 if (TMath::Abs(AliTracker::GetBz())>1 && track0->Pt() < kMinPt) continue;
404 if (track0->Pt() < kMinPt) continue;
405 if (track0->GetTPCncls() < kMinNcl) continue;
406 if (TMath::Abs(track0->GetY())<kMaxDelta[0]) continue;
407 if (track0->GetKinkIndex(0)>0) continue;
408 const Double_t * par0=track0->GetParameter(); //track param at rhe DCA
411 //track0->GetImpactParametersTPC(dcaTPC,covTPC);
412 //if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
413 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
414 // const AliExternalTrackParam * trackIn0 = track0->GetInnerParam();
415 AliESDfriendTrack* friendTrack0=NULL;
416 if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack0 = esdFriend->GetTrack(itrack0);} //this guy can be NULL
417 //Bool_t newFriendTrack0=kFALSE;
418 //if (!friendTrack0) {friendTrack0=new AliESDfriendTrack(); newFriendTrack0=kTRUE;}
419 if (!friendTrack0) {friendTrack0=fDummyFriendTrack;}
421 for (Int_t itrack1=itrack0+1;itrack1<ntracks;itrack1++) {
422 AliESDtrack *track1 = event->GetTrack(itrack1);
423 if (!track1) continue;
424 if (!track1->IsOn(AliESDtrack::kTPCrefit)) continue;
425 if (track1->GetKinkIndex(0)>0) continue;
426 if ((TMath::Abs(AliTracker::GetBz())>1) && (track1->Pt() < kMinPt)) continue;
427 if (track1->Pt() < kMinPt) continue;
428 if (track1->GetTPCncls()<kMinNcl) continue;
429 if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Max(track1->Pt(), track0->Pt())<kMinPtMax) continue;
430 if (TMath::Abs(track1->GetY())<kMaxDelta[0]) continue;
431 //track1->GetImpactParametersTPC(dcaTPC,covTPC);
432 // if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
433 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
435 const Double_t* par1=track1->GetParameter(); //track param at rhe DCA
438 for (Int_t ipar=0; ipar<5; ipar++){
439 if (ipar==4&&TMath::Abs(AliTracker::GetBz())<1) continue; // 1/pt not defined for B field off
440 if (TMath::Abs(TMath::Abs(par0[ipar])-TMath::Abs(par1[ipar]))>kMaxDelta[ipar]) isPair=kFALSE;
442 if (!isPair) continue;
443 if (TMath::Abs(TMath::Abs(track0->GetAlpha()-track1->GetAlpha())-TMath::Pi())>kMaxDelta[2]) isPair=kFALSE;
444 //delta with correct sign
446 TCut cut0="abs(t1.fP[0]+t0.fP[0])<2"
447 TCut cut3="abs(t1.fP[3]+t0.fP[3])<0.02"
448 TCut cut4="abs(t1.fP[4]+t0.fP[4])<0.2"
450 if (TMath::Abs(par0[0]+par1[0])>kMaxDelta[0]) isPair=kFALSE; //delta y opposite sign
451 if (TMath::Abs(par0[3]+par1[3])>kMaxDelta[3]) isPair=kFALSE; //delta tgl opposite sign
452 if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Abs(par0[4]+par1[4])>kMaxDelta[4]) isPair=kFALSE; //delta 1/pt opposite sign
453 if (!isPair) continue;
454 TString filename(AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile()->GetName());
455 Int_t eventNumber = event->GetEventNumberInFile();
456 //Bool_t hasFriend = kFALSE;
457 //Bool_t hasITS=(track0->GetNcls(0)+track1->GetNcls(0)>4);
458 //printf("DUMPHPTCosmic:%s|%f|%d|%d|%d\n",filename.Data(),(TMath::Min(track0->Pt(),track1->Pt())), eventNumber,hasFriend,hasITS);
459 // const AliExternalTrackParam * trackIn1 = track1->GetInnerParam();
462 Int_t ntracksSPD = vertexSPD->GetNContributors();
463 Int_t ntracksTPC = vertexTPC->GetNContributors();
464 Int_t runNumber = event->GetRunNumber();
465 Int_t timeStamp = event->GetTimeStamp();
466 ULong64_t triggerMask = event->GetTriggerMask();
467 Float_t magField = event->GetMagneticField();
468 TObjString triggerClass = event->GetFiredTriggerClasses().Data();
470 // Global event id calculation using orbitID, bunchCrossingID and periodID
471 ULong64_t orbitID = (ULong64_t)event->GetOrbitNumber();
472 ULong64_t bunchCrossID = (ULong64_t)event->GetBunchCrossNumber();
473 ULong64_t periodID = (ULong64_t)event->GetPeriodNumber();
474 ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID);
482 //fCosmicPairsTree->Branch("fileName",&fileName,32000,0);
483 //fCosmicPairsTree->Branch("runNumber",&runNumber,"runNumber/I");
484 //fCosmicPairsTree->Branch("timeStamp",&timeStamp,"timeStamp/I");
485 //fCosmicPairsTree->Branch("eventNumber",&eventNumber,"eventNumber/I");
486 //fCosmicPairsTree->Branch("triggerMask",&triggerMask,32000,0);
487 //fCosmicPairsTree->Branch("triggerClass",&triggerClass,32000,0);
488 //fCosmicPairsTree->Branch("magField",&magField,"magField/F");
489 //fCosmicPairsTree->Branch("ntracksSPD",&ntracksSPD,"ntracksSPD/I");
490 //fCosmicPairsTree->Branch("ntracksTPC",&ntracksTPC,"ntracksTPC/I");
491 //fCosmicPairsTree->Branch("vertexSPD",vertexSPD,32000,0);
492 //fCosmicPairsTree->Branch("vertexTPC",vertexTPC,32000,0);
493 //fCosmicPairsTree->Branch("track0",track0,32000,0);
494 //fCosmicPairsTree->Branch("track1",track1,32000,0);
496 //fCosmicPairsTree->Fill();
498 AliESDfriendTrack* friendTrack1=NULL;
499 if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack1 = esdFriend->GetTrack(itrack1);} //this guy can be NULL
500 //Bool_t newFriendTrack1=kFALSE;
501 //if (!friendTrack1) {friendTrack1=new AliESDfriendTrack(); newFriendTrack1=kTRUE;}
502 if (!friendTrack1) {friendTrack1=fDummyFriendTrack;}
504 if(!fFillTree) return;
505 if(!fTreeSRedirector) return;
506 (*fTreeSRedirector)<<"CosmicPairs"<<
508 "fileName.="<<&fileName<< // file name
509 "runNumber="<<runNumber<< // run number
510 "evtTimeStamp="<<timeStamp<< // time stamp of event
511 "evtNumberInFile="<<eventNumber<< // event number
512 "trigger="<<triggerMask<< // trigger
513 "triggerClass="<<&triggerClass<< // trigger
514 "Bz="<<magField<< // magnetic field
516 "multSPD="<<ntracksSPD<<
517 "multTPC="<<ntracksTPC<<
518 "vertSPD.="<<vertexSPD<< //primary vertex -SPD
519 "vertTPC.="<<vertexTPC<< //primary vertex -TPC
520 "t0.="<<track0<< //track0
521 "t1.="<<track1<< //track1
522 "friendTrack0.="<<friendTrack0<<
523 "friendTrack1.="<<friendTrack1<<
525 //if (newFriendTrack1) {delete friendTrack1; friendTrack1=NULL;}
527 //if (newFriendTrack0) {delete friendTrack0; friendTrack0=NULL;}
532 //_____________________________________________________________________________
533 void AliAnalysisTaskFilteredTree::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
536 // Select real events with high-pT tracks
539 AliDebug(AliLog::kError, "esdEvent not available");
543 // get selection cuts
544 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
545 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
546 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
548 if(!evtCuts || !accCuts || !esdTrackCuts) {
549 Printf("ERROR cuts not available");
554 Bool_t isEventTriggered = kTRUE;
555 AliPhysicsSelection *physicsSelection = NULL;
556 AliTriggerAnalysis* triggerAnalysis = NULL;
559 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
562 Printf("ERROR: Could not receive input handler");
567 TTree *chain = (TChain*)GetInputData(0);
569 Printf("ERROR: Could not receive input chain");
572 TObjString fileName(chain->GetCurrentFile()->GetName());
575 if(evtCuts->IsTriggerRequired())
578 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
580 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
581 if(!physicsSelection) return;
582 //SetPhysicsTriggerSelection(physicsSelection);
584 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
585 // set trigger (V0AND)
586 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
587 if(!triggerAnalysis) return;
588 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
592 // centrality determination
593 Float_t centralityF = -1;
594 AliCentrality *esdCentrality = esdEvent->GetCentrality();
595 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
597 // use MC information
598 AliHeader* header = 0;
599 AliGenEventHeader* genHeader = 0;
603 Int_t multMCTrueTracks = 0;
606 // get MC event header
607 header = mcEvent->Header();
609 AliDebug(AliLog::kError, "Header not available");
613 stack = mcEvent->Stack();
615 AliDebug(AliLog::kError, "Stack not available");
620 genHeader = header->GenEventHeader();
622 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
625 genHeader->PrimaryVertex(vtxMC);
627 // multipliticy of all MC primary tracks
628 // in Zv, pt and eta ranges)
629 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
632 // get reconstructed vertex
633 //const AliESDVertex* vtxESD = 0;
634 AliESDVertex* vtxESD = 0;
635 if(GetAnalysisMode() == kTPCAnalysisMode) {
636 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
638 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
639 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
645 AliESDVertex* vtxTPC = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
646 AliESDVertex* vtxSPD = (AliESDVertex*)esdEvent->GetPrimaryVertexSPD();
652 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
653 //printf("isEventOK %d, isEventTriggered %d, status %d, vz %f \n",isEventOK, isEventTriggered, vtxESD->GetStatus(), vtxESD->GetZv());
654 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
655 Int_t ntracks = esdEvent->GetNumberOfTracks();
658 if(isEventOK && isEventTriggered)
662 // get IR information
664 AliESDHeader *esdHeader = 0;
665 esdHeader = esdEvent->GetHeader();
666 if(!esdHeader) return;
667 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
668 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
670 // Use when Peter commit the changes in the header
675 //Double_t vert[3] = {0};
676 //vert[0] = vtxESD->GetXv();
677 //vert[1] = vtxESD->GetYv();
678 //vert[2] = vtxESD->GetZv();
679 Int_t mult = vtxESD->GetNContributors();
680 Int_t multSPD = vtxSPD->GetNContributors();
681 Int_t multTPC = vtxTPC->GetNContributors();
683 Float_t bz = esdEvent->GetMagneticField();
684 Int_t runNumber = esdEvent->GetRunNumber();
685 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
686 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
688 // Global event id calculation using orbitID, bunchCrossingID and periodID
689 ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber();
690 ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber();
691 ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber();
692 ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID);
696 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
698 AliESDtrack *track = esdEvent->GetTrack(iTrack);
700 if(track->Charge()==0) continue;
701 if(!esdTrackCuts->AcceptTrack(track)) continue;
702 if(!accCuts->AcceptTrack(track)) continue;
704 // downscale low-pT tracks
705 Double_t scalempt= TMath::Min(track->Pt(),10.);
706 Double_t downscaleF = gRandom->Rndm();
707 downscaleF *= fLowPtTrackDownscaligF;
708 if(TMath::Exp(2*scalempt)<downscaleF) continue;
709 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
711 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
712 if (!tpcInner) continue;
713 // transform to the track reference frame
714 Bool_t isOK = kFALSE;
715 isOK = tpcInner->Rotate(track->GetAlpha());
716 isOK = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
723 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
725 //fHighPtTree->Branch("fileName",&fileName,32000,0);
726 //fHighPtTree->Branch("runNumber",&runNumber,"runNumber/I");
727 //fHighPtTree->Branch("evtTimeStamp",&evtTimeStamp,"evtTimeStamp/I");
728 //fHighPtTree->Branch("evtNumberInFile",&evtNumberInFile,"evtNumberInFile/I");
729 //fHighPtTree->Branch("triggerClass",&triggerClass,32000,0);
730 //fHighPtTree->Branch("Bz",&bz,"Bz/F");
731 //fHighPtTree->Branch("vtxESD",vtxESD,32000,0);
732 //fHighPtTree->Branch("IRtot",&ir1,"IRtot/I");
733 //fHighPtTree->Branch("IRint2",&ir2,"IRint2/I");
734 //fHighPtTree->Branch("mult",&mult,"mult/I");
735 //fHighPtTree->Branch("esdTrack",track,32000,0);
736 //fHighPtTree->Branch("centralityF",¢ralityF,"centralityF/F");
738 //fHighPtTree->Fill();
740 //Double_t vtxX=vtxESD->GetX();
741 //Double_t vtxY=vtxESD->GetY();
742 //Double_t vtxZ=vtxESD->GetZ();
743 if(!fFillTree) return;
744 if(!fTreeSRedirector) return;
745 (*fTreeSRedirector)<<"highPt"<<
747 "fileName.="<<&fileName<<
748 "runNumber="<<runNumber<<
749 "evtTimeStamp="<<evtTimeStamp<<
750 "evtNumberInFile="<<evtNumberInFile<<
751 "triggerClass="<<&triggerClass<< // trigger
752 "Bz="<<bz<< // magnetic field
754 "ntracksESD="<<ntracks<< // number of tracks in the ESD
755 // "vtxESDx="<<vtxX<<
756 // "vtxESDy="<<vtxY<<
757 // "vtxESDz="<<vtxZ<<
758 "IRtot="<<ir1<< // interaction record history info
760 "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex
761 "multSPD="<<multSPD<< // multiplicity of tracks pointing to the SPD primary vertex
762 "multTPC="<<multTPC<< // multiplicity of tracks pointing to the TPC primary vertex
763 "esdTrack.="<<track<<
764 "centralityF="<<centralityF<<
772 //_____________________________________________________________________________
773 void AliAnalysisTaskFilteredTree::ProcessLaser(AliESDEvent *const esdEvent, AliMCEvent * const /*mcEvent*/, AliESDfriend *const esdFriend)
776 // Process laser events
779 AliDebug(AliLog::kError, "esdEvent not available");
784 TTree *chain = (TChain*)GetInputData(0);
786 Printf("ERROR: Could not receive input chain");
789 TObjString fileName(chain->GetCurrentFile()->GetName());
791 if(!fFillTree) return;
792 if(!fTreeSRedirector) return;
795 const AliESDHeader* esdHeader = esdEvent->GetHeader();
796 if(esdHeader && esdHeader->GetEventSpecie()==AliRecoParam::kCalib)
798 Int_t countLaserTracks = 0;
799 Int_t runNumber = esdEvent->GetRunNumber();
800 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
801 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
802 Float_t bz = esdEvent->GetMagneticField();
803 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
805 // Global event id calculation using orbitID, bunchCrossingID and periodID
806 ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber();
807 ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber();
808 ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber();
809 ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID);
811 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
813 AliESDtrack *track = esdEvent->GetTrack(iTrack);
816 if(track->GetTPCInnerParam()) countLaserTracks++;
818 AliESDfriendTrack* friendTrack=NULL;
819 if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL
820 //Bool_t newFriendTrack=kFALSE;
821 //if (!friendTrack) {friendTrack=new AliESDfriendTrack(); newFriendTrack=kTRUE;}
822 if (!friendTrack) {friendTrack=fDummyFriendTrack;}
824 (*fTreeSRedirector)<<"Laser"<<
826 "fileName.="<<&fileName<<
827 "runNumber="<<runNumber<<
828 "evtTimeStamp="<<evtTimeStamp<<
829 "evtNumberInFile="<<evtNumberInFile<<
830 "triggerClass="<<&triggerClass<< // trigger
832 "multTPCtracks="<<countLaserTracks<<
833 "friendTrack.="<<friendTrack<<
835 //if (newFriendTrack) {delete friendTrack; friendTrack=NULL;}
840 //_____________________________________________________________________________
841 void AliAnalysisTaskFilteredTree::ProcessAll(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend)
844 // Select real events with high-pT tracks
845 // Calculate and stor in the output tree:
846 // TPC constrained tracks
847 // InnerParams constrained tracks
849 // ITSout-InnerParams tracks
850 // chi2 distance between TPC constrained and TPC-ITS tracks
851 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
852 // chi2 distance between ITSout and InnerParams tracks
854 // track references at ITSin, TPCin; InnerParam at first TPC track reference,
855 // particle ID, mother ID, production mechanism ...
859 AliDebug(AliLog::kError, "esdEvent not available");
863 // get selection cuts
864 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
865 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
866 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
868 if(!evtCuts || !accCuts || !esdTrackCuts) {
869 AliDebug(AliLog::kError, "cuts not available");
874 Bool_t isEventTriggered = kTRUE;
875 AliPhysicsSelection *physicsSelection = NULL;
876 AliTriggerAnalysis* triggerAnalysis = NULL;
879 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
882 Printf("ERROR: Could not receive input handler");
887 TTree *chain = (TChain*)GetInputData(0);
889 Printf("ERROR: Could not receive input chain");
892 TObjString fileName(chain->GetCurrentFile()->GetName());
895 if(evtCuts->IsTriggerRequired())
898 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
900 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
901 if(!physicsSelection) {AliInfo("no physics selection"); return;}
902 //SetPhysicsTriggerSelection(physicsSelection);
904 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
905 // set trigger (V0AND)
906 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
907 if(!triggerAnalysis) {AliInfo("no trigger analysis");return;}
908 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
912 // centrality determination
913 Float_t centralityF = -1;
914 AliCentrality *esdCentrality = esdEvent->GetCentrality();
915 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
917 // use MC information
918 AliHeader* header = 0;
919 AliGenEventHeader* genHeader = 0;
924 Int_t multMCTrueTracks = 0;
927 // get MC event header
928 header = mcEvent->Header();
930 AliDebug(AliLog::kError, "Header not available");
934 stack = mcEvent->Stack();
936 AliDebug(AliLog::kError, "Stack not available");
939 mcStackSize=stack->GetNtrack();
942 genHeader = header->GenEventHeader();
944 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
947 genHeader->PrimaryVertex(vtxMC);
949 // multipliticy of all MC primary tracks
950 // in Zv, pt and eta ranges)
951 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
955 // get reconstructed vertex
956 //const AliESDVertex* vtxESD = 0;
957 AliESDVertex* vtxESD = 0;
958 if(GetAnalysisMode() == kTPCAnalysisMode) {
959 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
961 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
962 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
965 AliInfo("no ESD vertex");
971 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
974 // Vertex info comparison and track multiplicity
976 AliESDVertex *vertexSPD = (AliESDVertex *)esdEvent->GetPrimaryVertexSPD();
977 AliESDVertex *vertexTPC = (AliESDVertex *)esdEvent->GetPrimaryVertexTPC();
978 Int_t contSPD = vertexSPD->GetNContributors();
979 Int_t contTPC = vertexTPC->GetNContributors();
980 TVectorD vertexPosTPC(3), vertexPosSPD(3);
981 vertexSPD->GetXYZ(vertexPosSPD.GetMatrixArray());
982 vertexTPC->GetXYZ(vertexPosTPC.GetMatrixArray());
985 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++){
986 AliESDtrack *track = esdEvent->GetTrack(iTrack);
988 if (track->IsOn(AliVTrack::kTPCrefit)) ntracksTPC++;
989 if (track->IsOn(AliVTrack::kITSrefit)) ntracksITS++;
992 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
993 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
997 if(isEventOK && isEventTriggered)
1000 // get IR information
1002 AliESDHeader *esdHeader = 0;
1003 esdHeader = esdEvent->GetHeader();
1004 if(!esdHeader) {AliInfo("no esdHeader");return;}
1005 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
1006 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
1012 Double_t vert[3] = {0};
1013 vert[0] = vtxESD->GetXv();
1014 vert[1] = vtxESD->GetYv();
1015 vert[2] = vtxESD->GetZv();
1016 Int_t mult = vtxESD->GetNContributors();
1017 Float_t bz = esdEvent->GetMagneticField();
1018 Int_t runNumber = esdEvent->GetRunNumber();
1019 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
1020 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
1022 Int_t numberOfTracks=esdEvent->GetNumberOfTracks();
1024 for (Int_t iTrack = 0; iTrack < numberOfTracks; iTrack++)
1026 AliESDtrack *track = esdEvent->GetTrack(iTrack);
1027 AliESDfriendTrack* friendTrack=NULL;
1028 Int_t numberOfFriendTracks=0;
1029 if (esdFriend) numberOfFriendTracks=esdFriend->GetNumberOfTracks();
1030 if (esdFriend && iTrack<numberOfFriendTracks) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL
1031 if(!track) continue;
1032 if(track->Charge()==0) continue;
1033 if(!esdTrackCuts->AcceptTrack(track)) continue;
1034 if(!accCuts->AcceptTrack(track)) continue;
1036 // downscale low-pT tracks
1037 Double_t scalempt= TMath::Min(track->Pt(),10.);
1038 Double_t downscaleF = gRandom->Rndm();
1039 downscaleF *= fLowPtTrackDownscaligF;
1040 if(TMath::Exp(2*scalempt)<downscaleF) continue;
1041 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
1045 // TPC constrained tracks
1046 // InnerParams constrained tracks
1048 // ITSout-InnerParams tracks
1049 // chi2 distance between TPC constrained and TPC-ITS tracks
1050 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
1051 // chi2 distance between ITSout and InnerParams tracks
1054 Double_t x[3]; track->GetXYZ(x);
1055 Double_t b[3]; AliTracker::GetBxByBz(x,b);
1058 // Transform TPC inner params to track reference frame
1060 Bool_t isOKtpcInner = kFALSE;
1061 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
1063 // transform to the track reference frame
1064 isOKtpcInner = tpcInner->Rotate(track->GetAlpha());
1065 isOKtpcInner = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
1069 // Constrain TPC inner to vertex
1070 // clone TPCinner has to be deleted
1072 Bool_t isOKtpcInnerC = kFALSE;
1073 AliExternalTrackParam * tpcInnerC = new AliExternalTrackParam(*(track->GetTPCInnerParam()));
1075 isOKtpcInnerC = ConstrainTPCInner(tpcInnerC,vtxESD,b);
1076 isOKtpcInnerC = tpcInnerC->Rotate(track->GetAlpha());
1077 isOKtpcInnerC = tpcInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
1081 // Constrain TPC refitted tracks at inner TPC wall (InnerParams) to vertex
1082 // Clone track InnerParams has to be deleted
1084 Bool_t isOKtrackInnerC = kFALSE;
1085 AliExternalTrackParam * trackInnerC = new AliExternalTrackParam(*(track->GetInnerParam()));
1087 isOKtrackInnerC = ConstrainTrackInner(trackInnerC,vtxESD,track->GetMass(),b);
1088 isOKtrackInnerC = trackInnerC->Rotate(track->GetAlpha());
1089 isOKtrackInnerC = trackInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
1093 // calculate chi2 between vi and vj vectors
1094 // with covi and covj covariance matrices
1095 // chi2ij = (vi-vj)^(T)*(covi+covj)^(-1)*(vi-vj)
1097 TMatrixD deltaT(5,1), deltaTtrackC(5,1);
1098 TMatrixD delta(1,5), deltatrackC(1,5);
1099 TMatrixD covarM(5,5), covarMtrackC(5,5);
1101 TMatrixD chi2trackC(1,1);
1103 if(isOKtpcInnerC && isOKtrackInnerC)
1105 for (Int_t ipar=0; ipar<5; ipar++) {
1106 deltaT(ipar,0)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
1107 delta(0,ipar)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
1109 deltaTtrackC(ipar,0)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
1110 deltatrackC(0,ipar)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
1112 for (Int_t jpar=0; jpar<5; jpar++) {
1113 Int_t index=track->GetIndex(ipar,jpar);
1114 covarM(ipar,jpar)=track->GetCovariance()[index]+tpcInnerC->GetCovariance()[index];
1115 covarMtrackC(ipar,jpar)=track->GetCovariance()[index]+trackInnerC->GetCovariance()[index];
1119 // chi2 distance TPC constrained and TPC+ITS
1120 TMatrixD covarMInv = covarM.Invert();
1121 TMatrixD mat2 = covarMInv*deltaT;
1125 // chi2 distance TPC refitted constrained and TPC+ITS
1126 TMatrixD covarMInvtrackC = covarMtrackC.Invert();
1127 TMatrixD mat2trackC = covarMInvtrackC*deltaTtrackC;
1128 chi2trackC = deltatrackC*mat2trackC;
1129 //chi2trackC.Print();
1134 // Propagate ITSout to TPC inner wall
1135 // and calculate chi2 distance to track (InnerParams)
1137 const Double_t kTPCRadius=85;
1138 const Double_t kStep=3;
1140 // clone track InnerParams has to be deleted
1141 Bool_t isOKtrackInnerC2 = kFALSE;
1142 AliExternalTrackParam *trackInnerC2 = new AliExternalTrackParam(*(track->GetInnerParam()));
1144 isOKtrackInnerC2 = AliTracker::PropagateTrackToBxByBz(trackInnerC2,kTPCRadius,track->GetMass(),kStep,kFALSE);
1147 Bool_t isOKouterITSc = kFALSE;
1148 AliExternalTrackParam *outerITSc = NULL;
1149 TMatrixD chi2OuterITS(1,1);
1151 if(esdFriend && !esdFriend->TestSkipBit())
1153 // propagate ITSout to TPC inner wall
1158 if (friendTrack->GetITSOut()) outerITSc = new AliExternalTrackParam(*(friendTrack->GetITSOut()));
1161 isOKouterITSc = AliTracker::PropagateTrackToBxByBz(outerITSc,kTPCRadius,track->GetMass(),kStep,kFALSE);
1162 isOKouterITSc = outerITSc->Rotate(trackInnerC2->GetAlpha());
1163 isOKouterITSc = outerITSc->PropagateTo(trackInnerC2->GetX(),esdEvent->GetMagneticField());
1166 // calculate chi2 between outerITS and innerParams
1167 // cov without z-coordinate at the moment
1169 TMatrixD deltaTouterITS(4,1);
1170 TMatrixD deltaouterITS(1,4);
1171 TMatrixD covarMouterITS(4,4);
1173 if(isOKtrackInnerC2 && isOKouterITSc) {
1176 for (Int_t ipar=0; ipar<5; ipar++) {
1178 deltaTouterITS(kipar,0)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
1179 deltaouterITS(0,kipar)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
1183 for (Int_t jpar=0; jpar<5; jpar++) {
1184 Int_t index=outerITSc->GetIndex(ipar,jpar);
1185 if(ipar !=1 || jpar!=1) {
1186 covarMouterITS(kipar,kjpar)=outerITSc->GetCovariance()[index]+trackInnerC2->GetCovariance()[index];
1188 if(jpar!=1) kjpar++;
1190 if(ipar!=1) kipar++;
1193 // chi2 distance ITSout and InnerParams
1194 TMatrixD covarMInvouterITS = covarMouterITS.Invert();
1195 TMatrixD mat2outerITS = covarMInvouterITS*deltaTouterITS;
1196 chi2OuterITS = deltaouterITS*mat2outerITS;
1197 //chi2OuterITS.Print();
1206 TParticle *particle=NULL, *particleTPC=NULL, *particleITS=NULL;
1207 TParticle *particleMother=NULL, *particleMotherTPC=NULL, *particleMotherITS=NULL;
1208 Int_t mech=-1, mechTPC=-1, mechITS=-1;
1209 Bool_t isPrim=kFALSE, isPrimTPC=kFALSE, isPrimITS=kFALSE;
1210 Bool_t isFromStrangess=kFALSE, isFromStrangessTPC=kFALSE, isFromStrangessITS=kFALSE;
1211 Bool_t isFromConversion=kFALSE, isFromConversionTPC=kFALSE, isFromConversionITS=kFALSE;
1212 Bool_t isFromMaterial=kFALSE, isFromMaterialTPC=kFALSE, isFromMaterialITS=kFALSE;
1214 AliTrackReference *refTPCIn = NULL;
1215 AliTrackReference *refTPCOut = NULL;
1216 AliTrackReference *refITS = NULL;
1217 AliTrackReference *refTRD = NULL;
1218 AliTrackReference *refTOF = NULL;
1219 AliTrackReference *refEMCAL = NULL;
1220 AliTrackReference *refPHOS = NULL;
1221 Int_t nrefTPC=0, nrefTRD=0, nrefTOF=0, nrefITS=0, nrefEMCAL=0, nrefPHOS=0;
1223 Bool_t isOKtrackInnerC3 = kFALSE;
1224 AliExternalTrackParam *trackInnerC3 = new AliExternalTrackParam(*(track->GetInnerParam()));
1225 if(mcEvent && stack)
1227 do //artificial loop (once) to make the continue statements jump out of the MC part
1229 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
1233 Int_t label = TMath::Abs(track->GetLabel());
1234 if (label >= mcStackSize) continue;
1235 particle = stack->Particle(label);
1236 if (!particle) continue;
1237 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0.)
1239 particleMother = GetMother(particle,stack);
1240 mech = particle->GetUniqueID();
1241 isPrim = stack->IsPhysicalPrimary(label);
1242 isFromStrangess = IsFromStrangeness(label,stack);
1243 isFromConversion = IsFromConversion(label,stack);
1244 isFromMaterial = IsFromMaterial(label,stack);
1250 Int_t labelTPC = TMath::Abs(track->GetTPCLabel());
1251 if (labelTPC >= mcStackSize) continue;
1252 particleTPC = stack->Particle(labelTPC);
1253 if (!particleTPC) continue;
1254 if(particleTPC && particleTPC->GetPDG() && particleTPC->GetPDG()->Charge()!=0.)
1256 particleMotherTPC = GetMother(particleTPC,stack);
1257 mechTPC = particleTPC->GetUniqueID();
1258 isPrimTPC = stack->IsPhysicalPrimary(labelTPC);
1259 isFromStrangessTPC = IsFromStrangeness(labelTPC,stack);
1260 isFromConversionTPC = IsFromConversion(labelTPC,stack);
1261 isFromMaterialTPC = IsFromMaterial(labelTPC,stack);
1265 // store first track reference
1269 TClonesArray *trefs=0;
1270 Int_t status = mcEvent->GetParticleAndTR(TMath::Abs(labelTPC), part, trefs);
1272 if(status>0 && part && trefs && part->GetPDG() && part->GetPDG()->Charge()!=0.)
1274 Int_t nTrackRef = trefs->GetEntries();
1275 //printf("nTrackRef %d \n",nTrackRef);
1278 for (Int_t iref = 0; iref < nTrackRef; iref++)
1280 AliTrackReference *ref = (AliTrackReference *)trefs->At(iref);
1282 // Ref. in the middle ITS
1283 if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kITS)
1286 if(!refITS && countITS==2) {
1288 //printf("refITS %p \n",refITS);
1294 if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTPC)
1300 //printf("refTPCIn %p \n",refTPCIn);
1305 if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTRD)
1313 if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTOF)
1321 if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kEMCAL)
1329 // if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kPHOS)
1338 // transform inner params to TrackRef
1340 if(refTPCIn && trackInnerC3)
1342 Double_t kRefPhi = TMath::ATan2(refTPCIn->Y(),refTPCIn->X());
1343 isOKtrackInnerC3 = trackInnerC3->Rotate(kRefPhi);
1344 isOKtrackInnerC3 = AliTracker::PropagateTrackToBxByBz(trackInnerC3,refTPCIn->R(),track->GetMass(),kStep,kFALSE);
1351 Int_t labelITS = TMath::Abs(track->GetITSLabel());
1352 if (labelITS >= mcStackSize) continue;
1353 particleITS = stack->Particle(labelITS);
1354 if (!particleITS) continue;
1355 if(particleITS && particleITS->GetPDG() && particleITS->GetPDG()->Charge()!=0.)
1357 particleMotherITS = GetMother(particleITS,stack);
1358 mechITS = particleITS->GetUniqueID();
1359 isPrimITS = stack->IsPhysicalPrimary(labelITS);
1360 isFromStrangessITS = IsFromStrangeness(labelITS,stack);
1361 isFromConversionITS = IsFromConversion(labelITS,stack);
1362 isFromMaterialITS = IsFromMaterial(labelITS,stack);
1369 Bool_t dumpToTree=kFALSE;
1371 if(isOKtpcInnerC && isOKtrackInnerC) dumpToTree = kTRUE;
1372 //if(fUseESDfriends && isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE;
1373 if(isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE;
1374 if(mcEvent && isOKtrackInnerC3) dumpToTree = kTRUE;
1375 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
1378 // 18.03 - Reduce pile-up chunks, done outside of the ESDTrackCuts for 2012/2013 data pile-up about 95 % of tracks
1379 // Done only in case no MC info
1382 track->GetImpactParametersTPC(dcaTPC[0],dcaTPC[1]);
1383 Bool_t isRoughPrimary = TMath::Abs(dcaTPC[1])<10;
1384 Bool_t hasOuter=(track->IsOn(AliVTrack::kITSin))||(track->IsOn(AliVTrack::kTOFout))||(track->IsOn(AliVTrack::kTRDin));
1385 Bool_t keepPileUp=gRandom->Rndm()<0.05;
1386 if ( (!hasOuter) && (!isRoughPrimary) && (!keepPileUp)){
1391 //init dummy objects
1392 static AliESDVertex dummyvtxESD;
1395 // dummyvtxESD=new AliESDVertex();
1396 // //dummyvtxESD->SetNContributors(1);
1397 // //UShort_t pindices[1]; pindices[0]=0;
1398 // //dummyvtxESD->SetIndices(1,pindices);
1399 // //dummyvtxESD->SetNContributors(0);
1401 static AliExternalTrackParam dummyexternaltrackparam;
1402 //if (!dummyexternaltrackparam) dummyexternaltrackparam=new AliExternalTrackParam();
1403 static AliTrackReference dummytrackreference;
1404 //if (!dummytrackreference) dummytrackreference=new AliTrackReference();
1405 static TParticle dummyparticle;
1406 //if (!dummyparticle) dummyparticle=new TParticle();
1408 //assign the dummy objects if needed
1409 if (!track) {track=fDummyTrack;}
1410 if (!friendTrack) {friendTrack=fDummyFriendTrack;}
1411 if (!vtxESD) {vtxESD=&dummyvtxESD;}
1414 if (!refTPCIn) {refTPCIn=&dummytrackreference;}
1415 if (!refITS) {refITS=&dummytrackreference;}
1416 if (!particle) {particle=&dummyparticle;}
1417 if (!particleMother) {particleMother=&dummyparticle;}
1418 if (!particleTPC) {particleTPC=&dummyparticle;}
1419 if (!particleMotherTPC) {particleMotherTPC=&dummyparticle;}
1420 if (!particleITS) {particleITS=&dummyparticle;}
1421 if (!particleMotherITS) {particleMotherITS=&dummyparticle;}
1423 //the following are guaranteed to exist:
1424 //if (!tpcInnerC) {tpcInnerC=&dummyexternaltrackparam;}
1425 //if (!trackInnerC) {trackInnerC=&dummyexternaltrackparam;}
1426 //if (!trackInnerC2) {trackInnerC2=&dummyexternaltrackparam;}
1427 //if (!outerITSc) {outerITSc=&dummyexternaltrackparam;}
1428 //if (!trackInnerC3) {trackInnerC3=&dummyexternaltrackparam;}
1429 /////////////////////////
1431 //Double_t vtxX=vtxESD->GetX();
1432 //Double_t vtxY=vtxESD->GetY();
1433 //Double_t vtxZ=vtxESD->GetZ();
1435 //AliESDVertex* pvtxESD = (AliESDVertex*)vtxESD->Clone();
1436 //AliESDtrack* ptrack=(AliESDtrack*)track->Clone();
1437 //AliExternalTrackParam* ptpcInnerC = (AliExternalTrackParam*)tpcInnerC->Clone();
1438 //AliExternalTrackParam* ptrackInnerC = (AliExternalTrackParam*)trackInnerC->Clone();
1439 //AliExternalTrackParam* ptrackInnerC2 = (AliExternalTrackParam*)trackInnerC2->Clone();
1440 //AliExternalTrackParam* pouterITSc = (AliExternalTrackParam*)outerITSc->Clone();
1441 //AliExternalTrackParam* ptrackInnerC3 = (AliExternalTrackParam*)trackInnerC3->Clone();
1442 //AliESDVertex* pvtxESD = new AliESDVertex(*vtxESD);
1443 //AliESDtrack* ptrack= new AliESDtrack(*track);
1444 //AliExternalTrackParam* ptpcInnerC = new AliExternalTrackParam(*tpcInnerC);
1445 //AliExternalTrackParam* ptrackInnerC = new AliExternalTrackParam(*trackInnerC);
1446 //AliExternalTrackParam* ptrackInnerC2 = new AliExternalTrackParam(*trackInnerC2);
1447 //AliExternalTrackParam* pouterITSc = new AliExternalTrackParam(*outerITSc);
1448 //AliExternalTrackParam* ptrackInnerC3 = new AliExternalTrackParam(*trackInnerC3);
1450 Int_t ntracks = esdEvent->GetNumberOfTracks();
1452 // Global event id calculation using orbitID, bunchCrossingID and periodID
1453 ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber();
1454 ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber();
1455 ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber();
1456 ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID);
1459 FillHistograms(track, tpcInnerC, centralityF, (Double_t)chi2(0,0));
1461 if(fTreeSRedirector && dumpToTree && fFillTree)
1466 // const AliTrackPointArray* array = friendTrack->GetTrackPointArray();
1467 // if (!array) {printf("we have a friend, but the ponits are empty\n"); continue;}
1468 // if (friendTrack==fDummyFriendTrack) printf("using the dummy friend track\n");
1469 // cout<<array->GetX()[0]<<" "<<array->GetX()[2]<<endl;
1473 // printf("no friend track\n");
1477 (*fTreeSRedirector)<<"highPt"<<
1479 "fileName.="<<&fileName<< // name of the chunk file (hopefully full)
1480 "runNumber="<<runNumber<< // runNumber
1481 "evtTimeStamp="<<evtTimeStamp<< // time stamp of event (in seconds)
1482 "evtNumberInFile="<<evtNumberInFile<< // event number
1483 "triggerClass="<<&triggerClass<< // trigger class as a string
1484 "Bz="<<bz<< // solenoid magnetic field in the z direction (in kGaus)
1485 "vtxESD.="<<vtxESD<< // vertexer ESD tracks (can be biased by TPC pileup tracks)
1486 //"vtxESDx="<<vtxX<<
1487 //"vtxESDy="<<vtxY<<
1488 //"vtxESDz="<<vtxZ<<
1489 "IRtot="<<ir1<< // interaction record (trigger) counters - coutner 1
1490 "IRint2="<<ir2<< // interaction record (trigger) coutners - counter 2
1491 "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex
1492 "ntracks="<<ntracks<< // number of the esd tracks (to take into account the pileup in the TPC)
1493 // important variables for the pile-up studies
1494 "contTPC="<< contTPC<< // number of contributors to the TPC primary vertex candidate
1495 "contSPD="<< contSPD<< // number of contributors to the SPD primary vertex candidate
1496 "vertexPosTPC.="<<&vertexPosTPC<< // TPC vertex position
1497 "vertexPosSPD.="<<&vertexPosSPD<< // SPD vertex position
1498 "ntracksTPC="<<ntracksTPC<< // total number of the TPC tracks which were refitted
1499 "ntracksITS="<<ntracksITS<< // total number of the ITS tracks which were refitted
1501 "esdTrack.="<<track<< // esdTrack as used in the physical analysis
1502 "friendTrack.="<<friendTrack<< // esdFriendTrack associated to the esdTrack
1503 "extTPCInnerC.="<<tpcInnerC<< // ???
1504 "extInnerParamC.="<<trackInnerC<< // ???
1505 "extInnerParam.="<<trackInnerC2<< // ???
1506 "extOuterITS.="<<outerITSc<< // ???
1507 "extInnerParamRef.="<<trackInnerC3<< // ???
1508 "chi2TPCInnerC="<<chi2(0,0)<< // chi2 of tracks ???
1509 "chi2InnerC="<<chi2trackC(0,0)<< // chi2s of tracks TPCinner to the combined
1510 "chi2OuterITS="<<chi2OuterITS(0,0)<< // chi2s of tracks TPC at inner wall to the ITSout
1511 "centralityF="<<centralityF;
1514 static AliTrackReference refDummy;
1515 if (!refITS) refITS = &refDummy;
1516 if (!refTRD) refTRD = &refDummy;
1517 if (!refTOF) refTOF = &refDummy;
1518 if (!refEMCAL) refEMCAL = &refDummy;
1519 if (!refPHOS) refPHOS = &refDummy;
1520 (*fTreeSRedirector)<<"highPt"<<
1521 "multMCTrueTracks="<<multMCTrueTracks<< // mC track multiplicities
1522 "nrefITS="<<nrefITS<< // number of track references in the ITS
1523 "nrefTPC="<<nrefTPC<< // number of track references in the TPC
1524 "nrefTRD="<<nrefTRD<< // number of track references in the TRD
1525 "nrefTOF="<<nrefTOF<< // number of track references in the TOF
1526 "nrefEMCAL="<<nrefEMCAL<< // number of track references in the TOF
1527 "nrefPHOS="<<nrefPHOS<< // number of track references in the TOF
1528 "refTPCIn.="<<refTPCIn<<
1529 "refTPCOut.="<<refTPCOut<<
1530 "refITS.="<<refITS<<
1531 "refTRD.="<<refTRD<<
1532 "refTOF.="<<refTOF<<
1533 "refEMCAL.="<<refEMCAL<<
1534 "refPHOS.="<<refPHOS<<
1535 "particle.="<<particle<<
1536 "particleMother.="<<particleMother<<
1539 "isFromStrangess="<<isFromStrangess<<
1540 "isFromConversion="<<isFromConversion<<
1541 "isFromMaterial="<<isFromMaterial<<
1542 "particleTPC.="<<particleTPC<<
1543 "particleMotherTPC.="<<particleMotherTPC<<
1544 "mechTPC="<<mechTPC<<
1545 "isPrimTPC="<<isPrimTPC<<
1546 "isFromStrangessTPC="<<isFromStrangessTPC<<
1547 "isFromConversionTPC="<<isFromConversionTPC<<
1548 "isFromMaterialTPC="<<isFromMaterialTPC<<
1549 "particleITS.="<<particleITS<<
1550 "particleMotherITS.="<<particleMotherITS<<
1551 "mechITS="<<mechITS<<
1552 "isPrimITS="<<isPrimITS<<
1553 "isFromStrangessITS="<<isFromStrangessITS<<
1554 "isFromConversionITS="<<isFromConversionITS<<
1555 "isFromMaterialITS="<<isFromMaterialITS;
1557 //finish writing the entry
1558 AliInfo("writing tree highPt");
1559 (*fTreeSRedirector)<<"highPt"<<"\n";
1561 AliSysInfo::AddStamp("filteringTask",iTrack,numberOfTracks,numberOfFriendTracks,(friendTrack=fDummyFriendTrack)?0:1);
1565 delete trackInnerC2;
1567 delete trackInnerC3;
1574 //_____________________________________________________________________________
1575 void AliAnalysisTaskFilteredTree::ProcessMCEff(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
1578 // Fill tree for efficiency studies MC only
1579 AliInfo("we start!");
1582 AliDebug(AliLog::kError, "esdEvent not available");
1587 AliDebug(AliLog::kError, "mcEvent not available");
1591 // get selection cuts
1592 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
1593 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
1594 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
1596 if(!evtCuts || !accCuts || !esdTrackCuts) {
1597 AliDebug(AliLog::kError, "cuts not available");
1601 // trigger selection
1602 Bool_t isEventTriggered = kTRUE;
1603 AliPhysicsSelection *physicsSelection = NULL;
1604 AliTriggerAnalysis* triggerAnalysis = NULL;
1607 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
1610 Printf("ERROR: Could not receive input handler");
1615 TTree *chain = (TChain*)GetInputData(0);
1617 Printf("ERROR: Could not receive input chain");
1620 TObjString fileName(chain->GetCurrentFile()->GetName());
1623 if(evtCuts->IsTriggerRequired())
1626 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
1628 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
1629 if(!physicsSelection) return;
1631 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
1632 // set trigger (V0AND)
1633 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
1634 if(!triggerAnalysis) return;
1635 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
1639 // centrality determination
1640 Float_t centralityF = -1;
1641 AliCentrality *esdCentrality = esdEvent->GetCentrality();
1642 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
1644 // use MC information
1645 AliHeader* header = 0;
1646 AliGenEventHeader* genHeader = 0;
1647 AliStack* stack = 0;
1648 Int_t mcStackSize=0;
1651 Int_t multMCTrueTracks = 0;
1654 AliDebug(AliLog::kError, "mcEvent not available");
1657 // get MC event header
1658 header = mcEvent->Header();
1660 AliDebug(AliLog::kError, "Header not available");
1663 // MC particle stack
1664 stack = mcEvent->Stack();
1666 AliDebug(AliLog::kError, "Stack not available");
1669 mcStackSize=stack->GetNtrack();
1672 genHeader = header->GenEventHeader();
1674 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
1677 genHeader->PrimaryVertex(vtxMC);
1679 // multipliticy of all MC primary tracks
1680 // in Zv, pt and eta ranges)
1681 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
1684 // get reconstructed vertex
1685 //const AliESDVertex* vtxESD = 0;
1686 AliESDVertex* vtxESD = 0;
1687 if(GetAnalysisMode() == kTPCAnalysisMode) {
1688 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
1690 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
1691 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
1699 // Vertex info comparison and track multiplicity
1701 AliESDVertex *vertexSPD = (AliESDVertex *)esdEvent->GetPrimaryVertexSPD();
1702 AliESDVertex *vertexTPC = (AliESDVertex *)esdEvent->GetPrimaryVertexTPC();
1703 Int_t contSPD = vertexSPD->GetNContributors();
1704 Int_t contTPC = vertexTPC->GetNContributors();
1705 TVectorD vertexPosTPC(3), vertexPosSPD(3);
1706 vertexSPD->GetXYZ(vertexPosSPD.GetMatrixArray());
1707 vertexTPC->GetXYZ(vertexPosTPC.GetMatrixArray());
1710 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++){
1711 AliESDtrack *track = esdEvent->GetTrack(iTrack);
1712 if(!track) continue;
1713 if (track->IsOn(AliVTrack::kTPCrefit)) ntracksTPC++;
1714 if (track->IsOn(AliVTrack::kITSrefit)) ntracksITS++;
1717 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
1718 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
1719 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
1721 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
1724 if(isEventOK && isEventTriggered)
1726 //if(!stack) return;
1731 TParticle *particle=NULL;
1732 TParticle *particleMother=NULL;
1736 Double_t vert[3] = {0};
1737 vert[0] = vtxESD->GetXv();
1738 vert[1] = vtxESD->GetYv();
1739 vert[2] = vtxESD->GetZv();
1740 Int_t mult = vtxESD->GetNContributors();
1741 Double_t bz = esdEvent->GetMagneticField();
1742 Double_t runNumber = esdEvent->GetRunNumber();
1743 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
1744 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
1745 // loop over MC stack
1746 for (Int_t iMc = 0; iMc < mcStackSize; ++iMc)
1748 particle = stack->Particle(iMc);
1752 // only charged particles
1753 if(!particle->GetPDG()) continue;
1754 Double_t charge = particle->GetPDG()->Charge()/3.;
1755 if (TMath::Abs(charge) < 0.001)
1758 // only primary particles
1759 Bool_t prim = stack->IsPhysicalPrimary(iMc);
1762 // downscale low-pT particles
1763 Double_t scalempt= TMath::Min(particle->Pt(),10.);
1764 Double_t downscaleF = gRandom->Rndm();
1765 downscaleF *= fLowPtTrackDownscaligF;
1766 if(TMath::Exp(2*scalempt)<downscaleF) continue;
1768 // is particle in acceptance
1769 if(!accCuts->AcceptTrack(particle)) continue;
1771 // check if particle reconstructed
1772 Bool_t isRec = kFALSE;
1773 Int_t trackIndex = -1;
1774 Int_t trackLoopIndex = -1;
1775 Int_t isESDtrackCut= 0;
1776 Int_t isAccCuts = 0;
1777 Int_t nRec = 0; // how many times reconstructed
1778 Int_t nFakes = 0; // how many times reconstructed as a fake track
1779 AliESDtrack *recTrack = NULL;
1781 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
1783 AliESDtrack *track = esdEvent->GetTrack(iTrack);
1784 if(!track) continue;
1785 if(track->Charge()==0) continue;
1787 Int_t label = TMath::Abs(track->GetLabel());
1788 if (label >= mcStackSize) continue;
1790 Bool_t isAcc=esdTrackCuts->AcceptTrack(track);
1791 if (isAcc) isESDtrackCut=1;
1792 if (accCuts->AcceptTrack(track)) isAccCuts=1;
1794 trackIndex = iTrack;
1797 if (track->GetTPCncls()<recTrack->GetTPCncls()) continue; // in case looper tracks use longer track
1798 if (!isAcc) continue;
1799 trackLoopIndex = iTrack;
1801 recTrack = esdEvent->GetTrack(trackIndex);
1803 if(track->GetLabel()<0) nFakes++;
1809 // Store information in the output tree
1810 if (trackLoopIndex>-1) {
1811 recTrack = esdEvent->GetTrack(trackLoopIndex);
1812 } else if (trackIndex >-1) {
1813 recTrack = esdEvent->GetTrack(trackIndex);
1815 recTrack = fDummyTrack;
1818 particleMother = GetMother(particle,stack);
1819 mech = particle->GetUniqueID();
1821 //MC particle track length
1822 Double_t tpcTrackLength = 0.;
1823 AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(iMc);
1826 tpcTrackLength = mcParticle->GetTPCTrackLength(bz,0.05,counter,3.0);
1831 if(fTreeSRedirector && fFillTree) {
1832 (*fTreeSRedirector)<<"MCEffTree"<<
1833 "fileName.="<<&fileName<<
1834 "triggerClass.="<<&triggerClass<<
1835 "runNumber="<<runNumber<<
1836 "evtTimeStamp="<<evtTimeStamp<<
1837 "evtNumberInFile="<<evtNumberInFile<< //
1838 "Bz="<<bz<< // magnetic field
1839 "vtxESD.="<<vtxESD<< // vertex info
1841 "mult="<<mult<< // primary vertex 9whatewe found) multiplicity
1842 "multMCTrueTracks="<<multMCTrueTracks<< // mC track multiplicities
1843 // important variables for the pile-up studies
1844 "contTPC="<< contTPC<< // number of contributors to the TPC primary vertex candidate
1845 "contSPD="<< contSPD<< // number of contributors to the SPD primary vertex candidate
1846 "vertexPosTPC.="<<&vertexPosTPC<< // TPC vertex position
1847 "vertexPosSPD.="<<&vertexPosSPD<< // SPD vertex position
1848 "ntracksTPC="<<ntracksTPC<< // total number of the TPC tracks which were refitted
1849 "ntracksITS="<<ntracksITS<< // total number of the ITS tracks which were refitted
1852 "isAcc0="<<isESDtrackCut<< // track accepted by ESD track cuts
1853 "isAcc1="<<isAccCuts<< // track accepted by acceptance cuts flag
1854 "esdTrack.="<<recTrack<< // reconstructed track (only the longest from the loopers)
1855 "isRec="<<isRec<< // track was reconstructed
1856 "tpcTrackLength="<<tpcTrackLength<< // track length in the TPC r projection
1857 "particle.="<<particle<< // particle properties
1858 "particleMother.="<<particleMother<< // particle mother
1859 "mech="<<mech<< // production mechanizm
1860 "nRec="<<nRec<< // how many times reconstruted
1861 "nFakes="<<nFakes<< // how many times reconstructed as a fake track
1865 //if(trackIndex <0 && recTrack) delete recTrack; recTrack=0;
1871 //_____________________________________________________________________________
1872 Bool_t AliAnalysisTaskFilteredTree::IsHighDeDxParticle(AliESDtrack * track) {
1874 // check if particle is Z > 1
1876 if (track->GetTPCNcls() < 60) return kFALSE;
1877 Double_t mom = track->GetInnerParam()->GetP();
1878 if (mom < 0.2) return kFALSE; // protection against unexpected behavior of Aleph parameterization
1879 Float_t dca[2], bCov[3];
1880 track->GetImpactParameters(dca,bCov);
1883 Double_t triggerDeDx = 4*AliExternalTrackParam::BetheBlochAleph((mom*2)/(0.938*3),1.0288,31.9806,5.04114e-11,2.13096,2.38541);
1885 if (track->GetTPCsignal() > triggerDeDx && track->GetTPCsignal()<1000 && TMath::Abs(dca[0])<3.) return kTRUE;
1890 //_____________________________________________________________________________
1891 void AliAnalysisTaskFilteredTree::ProcessV0(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend)
1894 // Select real events with V0 (K0s and Lambda and Gamma) high-pT candidates
1897 AliDebug(AliLog::kError, "esdEvent not available");
1901 // get selection cuts
1902 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
1903 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
1904 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
1906 if(!evtCuts || !accCuts || !esdTrackCuts) {
1907 AliDebug(AliLog::kError, "cuts not available");
1911 // trigger selection
1912 Bool_t isEventTriggered = kTRUE;
1913 AliPhysicsSelection *physicsSelection = NULL;
1914 AliTriggerAnalysis* triggerAnalysis = NULL;
1917 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
1920 Printf("ERROR: Could not receive input handler");
1925 TTree *chain = (TChain*)GetInputData(0);
1927 Printf("ERROR: Could not receive input chain");
1930 TObjString fileName(chain->GetCurrentFile()->GetName());
1933 if(evtCuts->IsTriggerRequired())
1936 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
1938 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
1939 if(!physicsSelection) return;
1940 //SetPhysicsTriggerSelection(physicsSelection);
1942 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
1943 // set trigger (V0AND)
1944 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
1945 if(!triggerAnalysis) return;
1946 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
1950 // centrality determination
1951 Float_t centralityF = -1;
1952 AliCentrality *esdCentrality = esdEvent->GetCentrality();
1953 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
1956 // get reconstructed vertex
1957 //const AliESDVertex* vtxESD = 0;
1958 AliESDVertex* vtxESD = 0;
1959 if(GetAnalysisMode() == kTPCAnalysisMode) {
1960 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
1962 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
1963 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
1971 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
1972 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
1973 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
1976 if(isEventOK && isEventTriggered) {
1978 // Dump the pt downscaled V0 into the tree
1980 Int_t ntracks = esdEvent->GetNumberOfTracks();
1981 Int_t nV0s = esdEvent->GetNumberOfV0s();
1982 Int_t run = esdEvent->GetRunNumber();
1983 Int_t time= esdEvent->GetTimeStamp();
1984 Int_t evNr=esdEvent->GetEventNumberInFile();
1985 Double_t bz = esdEvent->GetMagneticField();
1987 // Global event id calculation using orbitID, bunchCrossingID and periodID
1988 ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber();
1989 ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber();
1990 ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber();
1991 ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID);
1994 for (Int_t iv0=0; iv0<nV0s; iv0++){
1996 AliESDv0 * v0 = esdEvent->GetV0(iv0);
1998 AliESDtrack * track0 = esdEvent->GetTrack(v0->GetIndex(0));
1999 AliESDtrack * track1 = esdEvent->GetTrack(v0->GetIndex(1));
2000 if (!track0) continue;
2001 if (!track1) continue;
2002 AliESDfriendTrack* friendTrack0=NULL;
2003 AliESDfriendTrack* friendTrack1=NULL;
2006 if (!esdFriend->TestSkipBit())
2008 friendTrack0 = esdFriend->GetTrack(v0->GetIndex(0)); //this guy can be NULL
2009 friendTrack1 = esdFriend->GetTrack(v0->GetIndex(1)); //this guy can be NULL
2012 //Bool_t newFriendTrack0=kFALSE;
2013 //Bool_t newFriendTrack1=kFALSE;
2014 //if (!friendTrack0) {friendTrack0=new AliESDfriendTrack(); newFriendTrack0=kTRUE;}
2015 //if (!friendTrack1) {friendTrack1=new AliESDfriendTrack(); newFriendTrack1=kTRUE;}
2016 if (!friendTrack0) {friendTrack0=fDummyFriendTrack;}
2017 if (!friendTrack1) {friendTrack1=fDummyFriendTrack;}
2018 if (track0->GetSign()<0) {
2019 track1 = esdEvent->GetTrack(v0->GetIndex(0));
2020 track0 = esdEvent->GetTrack(v0->GetIndex(1));
2023 Bool_t isDownscaled = IsV0Downscaled(v0);
2024 if (isDownscaled) continue;
2025 AliKFParticle kfparticle; //
2026 Int_t type=GetKFParticle(v0,esdEvent,kfparticle);
2027 if (type==0) continue;
2028 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
2030 if(!fFillTree) return;
2031 if(!fTreeSRedirector) return;
2032 (*fTreeSRedirector)<<"V0s"<<
2034 "isDownscaled="<<isDownscaled<<
2035 "triggerClass="<<&triggerClass<< // trigger
2037 "fileName.="<<&fileName<<
2039 "evtTimeStamp="<<time<<
2040 "evtNumberInFile="<<evNr<<
2042 "ntracks="<<ntracks<<
2044 "kf.="<<&kfparticle<<
2045 "track0.="<<track0<<
2046 "track1.="<<track1<<
2047 "friendTrack0.="<<friendTrack0<<
2048 "friendTrack1.="<<friendTrack1<<
2049 "centralityF="<<centralityF<<
2051 //if (newFriendTrack0) {delete friendTrack0;}
2052 //if (newFriendTrack1) {delete friendTrack1;}
2057 //_____________________________________________________________________________
2058 void AliAnalysisTaskFilteredTree::ProcessdEdx(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend)
2061 // Select real events with large TPC dEdx signal
2064 AliDebug(AliLog::kError, "esdEvent not available");
2068 // get selection cuts
2069 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
2070 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
2071 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
2073 if(!evtCuts || !accCuts || !esdTrackCuts) {
2074 AliDebug(AliLog::kError, "cuts not available");
2079 TTree *chain = (TChain*)GetInputData(0);
2081 Printf("ERROR: Could not receive input chain");
2084 TObjString fileName(chain->GetCurrentFile()->GetName());
2087 Bool_t isEventTriggered = kTRUE;
2088 AliPhysicsSelection *physicsSelection = NULL;
2089 AliTriggerAnalysis* triggerAnalysis = NULL;
2092 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
2095 Printf("ERROR: Could not receive input handler");
2099 if(evtCuts->IsTriggerRequired())
2102 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
2104 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
2105 if(!physicsSelection) return;
2107 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
2108 // set trigger (V0AND)
2109 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
2110 if(!triggerAnalysis) return;
2111 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
2115 // get reconstructed vertex
2116 AliESDVertex* vtxESD = 0;
2117 if(GetAnalysisMode() == kTPCAnalysisMode) {
2118 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
2120 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
2121 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
2128 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
2129 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
2130 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
2134 if(isEventOK && isEventTriggered)
2136 Double_t vert[3] = {0};
2137 vert[0] = vtxESD->GetXv();
2138 vert[1] = vtxESD->GetYv();
2139 vert[2] = vtxESD->GetZv();
2140 Int_t mult = vtxESD->GetNContributors();
2141 Double_t bz = esdEvent->GetMagneticField();
2142 Double_t runNumber = esdEvent->GetRunNumber();
2143 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
2144 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
2146 // Global event id calculation using orbitID, bunchCrossingID and periodID
2147 ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber();
2148 ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber();
2149 ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber();
2150 ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID);
2153 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
2155 AliESDtrack *track = esdEvent->GetTrack(iTrack);
2156 if(!track) continue;
2157 AliESDfriendTrack* friendTrack=NULL;
2158 if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL
2159 //Bool_t newFriendTrack=kFALSE;
2160 //if (!friendTrack) {friendTrack=new AliESDfriendTrack(); newFriendTrack=kTRUE;}
2161 if (!friendTrack) {friendTrack=fDummyFriendTrack;}
2162 if(track->Charge()==0) continue;
2163 if(!esdTrackCuts->AcceptTrack(track)) continue;
2164 if(!accCuts->AcceptTrack(track)) continue;
2166 if(!IsHighDeDxParticle(track)) continue;
2167 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
2169 if(!fFillTree) return;
2170 if(!fTreeSRedirector) return;
2171 (*fTreeSRedirector)<<"dEdx"<<
2173 "fileName.="<<&fileName<<
2174 "runNumber="<<runNumber<<
2175 "evtTimeStamp="<<evtTimeStamp<<
2176 "evtNumberInFile="<<evtNumberInFile<<
2177 "triggerClass="<<&triggerClass<< // trigger
2179 "vtxESD.="<<vtxESD<<
2181 "esdTrack.="<<track<<
2182 "friendTrack.="<<friendTrack<<
2184 //if (newFriendTrack) delete friendTrack;
2189 //_____________________________________________________________________________
2190 Int_t AliAnalysisTaskFilteredTree::GetKFParticle(AliESDv0 *const v0, AliESDEvent * const event, AliKFParticle & kfparticle)
2193 // Create KF particle in case the V0 fullfill selection criteria
2195 // Selection criteria
2199 // 4. rough mass cut
2200 // 5. Normalized pointing angle cut
2202 const Double_t cutMass=0.2;
2203 const Double_t kSigmaDCACut=3;
2205 // 0.) algo cut - accept only on the fly
2207 if (v0->GetOnFlyStatus() ==kFALSE) return 0;
2211 AliESDtrack * track0 = event->GetTrack(v0->GetIndex(0));
2212 AliESDtrack * track1 = event->GetTrack(v0->GetIndex(1));
2214 TCut cutD="abs(track0.fD/sqrt(track0.fCdd))>2&&abs(track1.fD/sqrt(track1.fCdd))>2";
2215 TCut cutTheta="abs(track0.fP[3])<1&&abs(track1.fP[3])<1";
2216 TCut cutNcl="track0.GetTPCClusterInfo(2,1)>100&&track1.GetTPCClusterInfo(2,1)>100";
2218 if (TMath::Abs(track0->GetTgl())>1) return 0;
2219 if (TMath::Abs(track1->GetTgl())>1) return 0;
2220 if ((track0->GetTPCClusterInfo(2,1))<100) return 0;
2221 if ((track1->GetTPCClusterInfo(2,1))<100) return 0;
2222 //if ((track0->GetITSclusters(0))<2) return 0;
2223 //if ((track1->GetITSclusters(0))<2) return 0;
2224 Float_t pos0[2]={0}, cov0[3]={0};
2225 Float_t pos1[2]={0}, cov1[3]={0};
2226 track0->GetImpactParameters(pos0,cov0);
2227 track0->GetImpactParameters(pos1,cov1);
2229 if (TMath::Abs(pos0[0])<kSigmaDCACut*TMath::Sqrt(cov0[0])) return 0;
2230 if (TMath::Abs(pos1[0])<kSigmaDCACut*TMath::Sqrt(cov1[0])) return 0;
2235 Double_t chi2KF = v0->GetKFInfo(2,2,2);
2236 if (chi2KF>25) return 0;
2238 // 4.) Rough mass cut - 0.200 GeV
2240 static Double_t masses[2]={-1};
2242 masses[0] = TDatabasePDG::Instance()->GetParticle("K_S0")->Mass();
2243 masses[1] = TDatabasePDG::Instance()->GetParticle("Lambda0")->Mass();
2245 Double_t mass00= v0->GetEffMass(0,0);
2246 Double_t mass22= v0->GetEffMass(2,2);
2247 Double_t mass42= v0->GetEffMass(4,2);
2248 Double_t mass24= v0->GetEffMass(2,4);
2249 Bool_t massOK=kFALSE;
2254 if (TMath::Abs(mass00-0)<cutMass) {
2255 massOK=kTRUE; type+=1;
2256 if (TMath::Abs(mass00-0)<dmass) {
2258 dmass=TMath::Abs(mass00-0);
2262 if (TMath::Abs(mass24-masses[1])<cutMass) {
2263 massOK=kTRUE; type+=2;
2264 if (TMath::Abs(mass24-masses[1])<dmass){
2265 dmass = TMath::Abs(mass24-masses[1]);
2270 if (TMath::Abs(mass42-masses[1])<cutMass) {
2271 massOK=kTRUE; type+=4;
2272 if (TMath::Abs(mass42-masses[1])<dmass){
2273 dmass = TMath::Abs(mass42-masses[1]);
2278 if (TMath::Abs(mass22-masses[0])<cutMass) {
2279 massOK=kTRUE; type+=8;
2280 if (TMath::Abs(mass22-masses[0])<dmass){
2281 dmass = TMath::Abs(mass22-masses[0]);
2286 if (type==0) return 0;
2288 const Int_t spdg[5]={kPositron,kMuonPlus,kPiPlus, kKPlus, kProton};
2289 const AliExternalTrackParam *paramP = v0->GetParamP();
2290 const AliExternalTrackParam *paramN = v0->GetParamN();
2291 if (paramP->GetSign()<0){
2292 paramP=v0->GetParamP();
2293 paramN=v0->GetParamN();
2295 //Double_t *pparam1 = (Double_t*)paramP->GetParameter();
2296 //Double_t *pparam2 = (Double_t*)paramN->GetParameter();
2298 AliKFParticle kfp1( *paramP, spdg[p1] );
2299 AliKFParticle kfp2( *paramN, -1 *spdg[p2] );
2307 Double_t errPhi = V0KF.GetErrPhi();
2308 Double_t pointAngle= TMath::ACos(v0->GetV0CosineOfPointingAngle());
2309 if (pointAngle/errPhi>10) return 0;
2314 //_____________________________________________________________________________
2315 Bool_t AliAnalysisTaskFilteredTree::IsV0Downscaled(AliESDv0 *const v0)
2318 // Downscale randomly low pt V0
2321 Double_t maxPt= TMath::Max(v0->GetParamP()->Pt(), v0->GetParamN()->Pt());
2322 Double_t scalempt= TMath::Min(maxPt,10.);
2323 Double_t downscaleF = gRandom->Rndm();
2324 downscaleF *= fLowPtV0DownscaligF;
2326 // Special treatment of the gamma conversion pt spectra is softer -
2327 Double_t mass00= v0->GetEffMass(0,0);
2328 const Double_t cutMass=0.2;
2329 if (TMath::Abs(mass00-0)<cutMass){
2330 downscaleF/=10.; // 10 times smaller downscaling for the gamma concersion candidate
2332 //printf("V0 TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
2333 if (TMath::Exp(2*scalempt)<downscaleF) return kTRUE;
2337 TH1F his1("his1","his1",100,0,10);
2338 TH1F his2("his2","his2",100,0,10);
2339 {for (Int_t i=0; i<10000; i++){
2340 Double_t rnd=gRandom->Exp(1);
2341 Bool_t isDownscaled =TMath::Exp(rnd)<100*gRandom->Rndm();
2343 if (!isDownscaled) his2->Fill(rnd);
2352 //_____________________________________________________________________________
2353 Bool_t AliAnalysisTaskFilteredTree::ConstrainTPCInner(AliExternalTrackParam *const tpcInnerC, const AliESDVertex* vtx, Double_t b[3])
2355 // Constrain TPC inner params constrained
2357 if(!tpcInnerC) return kFALSE;
2358 if(!vtx) return kFALSE;
2360 Double_t dz[2],cov[3];
2361 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
2362 //if(!tpcInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
2363 //if(!tpcInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
2364 if(!tpcInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
2367 Double_t covar[6]; vtx->GetCovMatrix(covar);
2368 Double_t p[2]={tpcInnerC->GetParameter()[0]-dz[0],tpcInnerC->GetParameter()[1]-dz[1]};
2369 Double_t c[3]={covar[2],0.,covar[5]};
2370 Double_t chi2C=tpcInnerC->GetPredictedChi2(p,c);
2371 if (chi2C>kVeryBig) return kFALSE;
2373 if(!tpcInnerC->Update(p,c)) return kFALSE;
2378 //_____________________________________________________________________________
2379 Bool_t AliAnalysisTaskFilteredTree::ConstrainTrackInner(AliExternalTrackParam *const trackInnerC, const AliESDVertex* vtx, Double_t mass, Double_t b[3])
2381 // Constrain TPC inner params constrained
2383 if(!trackInnerC) return kFALSE;
2384 if(!vtx) return kFALSE;
2386 const Double_t kRadius = 2.8;
2387 const Double_t kMaxStep = 1.0;
2389 Double_t dz[2],cov[3];
2391 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
2392 //if(!trackInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
2393 //if(!trackInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
2395 if(!AliTracker::PropagateTrackToBxByBz(trackInnerC,kRadius,mass,kMaxStep,kFALSE)) return kFALSE;
2396 if(!trackInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
2399 Double_t covar[6]; vtx->GetCovMatrix(covar);
2400 Double_t p[2]={trackInnerC->GetParameter()[0]-dz[0],trackInnerC->GetParameter()[1]-dz[1]};
2401 Double_t c[3]={covar[2],0.,covar[5]};
2402 Double_t chi2C=trackInnerC->GetPredictedChi2(p,c);
2403 if (chi2C>kVeryBig) return kFALSE;
2405 if(!trackInnerC->Update(p,c)) return kFALSE;
2411 //_____________________________________________________________________________
2412 TParticle *AliAnalysisTaskFilteredTree::GetMother(TParticle *const particle, AliStack *const stack)
2414 if(!particle) return NULL;
2415 if(!stack) return NULL;
2417 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
2418 TParticle* mother = NULL;
2419 Int_t mcStackSize=stack->GetNtrack();
2420 if (motherLabel>=mcStackSize) return NULL;
2421 mother = stack->Particle(motherLabel);
2426 //_____________________________________________________________________________
2427 Bool_t AliAnalysisTaskFilteredTree::IsFromConversion(const Int_t label, AliStack *const stack)
2429 Bool_t isFromConversion = kFALSE;
2432 Int_t mcStackSize=stack->GetNtrack();
2433 if (label>=mcStackSize) return kFALSE;
2434 TParticle* particle = stack->Particle(label);
2435 if (!particle) return kFALSE;
2437 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
2439 Int_t mech = particle->GetUniqueID(); // production mechanism
2440 Bool_t isPrim = stack->IsPhysicalPrimary(label);
2442 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
2443 if (motherLabel>=mcStackSize) return kFALSE;
2444 TParticle* mother = stack->Particle(motherLabel);
2446 Int_t motherPdg = mother->GetPdgCode();
2448 if(!isPrim && mech==5 && motherPdg==kGamma) {
2449 isFromConversion=kTRUE;
2455 return isFromConversion;
2458 //_____________________________________________________________________________
2459 Bool_t AliAnalysisTaskFilteredTree::IsFromMaterial(const Int_t label, AliStack *const stack)
2461 Bool_t isFromMaterial = kFALSE;
2464 Int_t mcStackSize=stack->GetNtrack();
2465 if (label>=mcStackSize) return kFALSE;
2466 TParticle* particle = stack->Particle(label);
2467 if (!particle) return kFALSE;
2469 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
2471 Int_t mech = particle->GetUniqueID(); // production mechanism
2472 Bool_t isPrim = stack->IsPhysicalPrimary(label);
2474 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
2475 if (motherLabel>=mcStackSize) return kFALSE;
2476 TParticle* mother = stack->Particle(motherLabel);
2478 if(!isPrim && mech==13) {
2479 isFromMaterial=kTRUE;
2485 return isFromMaterial;
2488 //_____________________________________________________________________________
2489 Bool_t AliAnalysisTaskFilteredTree::IsFromStrangeness(const Int_t label, AliStack *const stack)
2491 Bool_t isFromStrangeness = kFALSE;
2494 Int_t mcStackSize=stack->GetNtrack();
2495 if (label>=mcStackSize) return kFALSE;
2496 TParticle* particle = stack->Particle(label);
2497 if (!particle) return kFALSE;
2499 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
2501 Int_t mech = particle->GetUniqueID(); // production mechanism
2502 Bool_t isPrim = stack->IsPhysicalPrimary(label);
2504 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
2505 if (motherLabel>=mcStackSize) return kFALSE;
2506 TParticle* mother = stack->Particle(motherLabel);
2508 Int_t motherPdg = mother->GetPdgCode();
2510 // K+-, lambda, antilambda, K0s decays
2511 if(!isPrim && mech==4 &&
2512 (TMath::Abs(motherPdg)==kKPlus || TMath::Abs(motherPdg)==kLambda0 || motherPdg==kK0Short))
2514 isFromStrangeness = kTRUE;
2520 return isFromStrangeness;
2524 //_____________________________________________________________________________
2525 void AliAnalysisTaskFilteredTree::FinishTaskOutput()
2528 // Called one at the end
2529 // locally on working node
2532 //// must be deleted to store trees
2533 //if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector=0;
2535 //// open temporary file and copy trees to the ouptut container
2537 //TChain* chain = 0;
2539 //chain = new TChain("highPt");
2541 // chain->Add("jotwinow_Temp_Trees.root");
2542 // fHighPtTree = chain->CopyTree("1");
2543 // delete chain; chain=0;
2545 //if(fHighPtTree) fHighPtTree->Print();
2548 //chain = new TChain("V0s");
2550 // chain->Add("jotwinow_Temp_Trees.root");
2551 // fV0Tree = chain->CopyTree("1");
2552 // delete chain; chain=0;
2554 //if(fV0Tree) fV0Tree->Print();
2557 //chain = new TChain("dEdx");
2559 // chain->Add("jotwinow_Temp_Trees.root");
2560 // fdEdxTree = chain->CopyTree("1");
2561 // delete chain; chain=0;
2563 //if(fdEdxTree) fdEdxTree->Print();
2566 //chain = new TChain("Laser");
2568 // chain->Add("jotwinow_Temp_Trees.root");
2569 // fLaserTree = chain->CopyTree("1");
2570 // delete chain; chain=0;
2572 //if(fLaserTree) fLaserTree->Print();
2575 //chain = new TChain("MCEffTree");
2577 // chain->Add("jotwinow_Temp_Trees.root");
2578 // fMCEffTree = chain->CopyTree("1");
2579 // delete chain; chain=0;
2581 //if(fMCEffTree) fMCEffTree->Print();
2584 //chain = new TChain("CosmicPairs");
2586 // chain->Add("jotwinow_Temp_Trees.root");
2587 // fCosmicPairsTree = chain->CopyTree("1");
2588 // delete chain; chain=0;
2590 //if(fCosmicPairsTree) fCosmicPairsTree->Print();
2592 Bool_t deleteTrees=kTRUE;
2593 if ((AliAnalysisManager::GetAnalysisManager()))
2595 if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() ==
2596 AliAnalysisManager::kProofAnalysis)
2599 if (deleteTrees) delete fTreeSRedirector;
2600 fTreeSRedirector=NULL;
2604 // Post output data.
2605 //PostData(1, fHighPtTree);
2606 //PostData(2, fV0Tree);
2607 //PostData(3, fdEdxTree);
2608 //PostData(4, fLaserTree);
2609 //PostData(5, fMCEffTree);
2610 //PostData(6, fCosmicPairsTree);
2613 //_____________________________________________________________________________
2614 void AliAnalysisTaskFilteredTree::Terminate(Option_t *)
2616 // Called one at the end
2618 fOutputSummary = dynamic_cast<TTree*> (GetOutputData(1));
2619 if(fOutputSummary) delete fOutputSummary; fOutputSummary=0;
2620 TChain* chain = new TChain("highPt");
2622 chain->Add("jotwinow_HighPt_TrackAndV0_Trees.root");
2623 TTree *tree = chain->CopyTree("1");
2624 if (chain) { delete chain; chain=0; }
2627 fOutputSummary = tree;
2629 if (!fOutputSummary) {
2630 Printf("ERROR: AliAnalysisTaskFilteredTree::Terminate(): Output data not avaiable %p \n", GetOutputData(1));
2637 //_____________________________________________________________________________
2638 Int_t AliAnalysisTaskFilteredTree::GetMCTrueTrackMult(AliMCEvent *const mcEvent, AliFilteredTreeEventCuts *const evtCuts, AliFilteredTreeAcceptanceCuts *const accCuts)
2641 // calculate mc event true track multiplicity
2643 if(!mcEvent) return 0;
2645 AliStack* stack = 0;
2648 // MC particle stack
2649 stack = mcEvent->Stack();
2650 if (!stack) return 0;
2653 //printf("minZv %f, maxZv %f \n", evtCuts->GetMinZv(), evtCuts->GetMaxZv());
2656 Bool_t isEventOK = evtCuts->AcceptMCEvent(mcEvent);
2657 if(!isEventOK) return 0;
2659 Int_t nPart = stack->GetNtrack();
2660 for (Int_t iMc = 0; iMc < nPart; ++iMc)
2662 TParticle* particle = stack->Particle(iMc);
2666 // only charged particles
2667 if(!particle->GetPDG()) continue;
2668 Double_t charge = particle->GetPDG()->Charge()/3.;
2669 if (TMath::Abs(charge) < 0.001)
2673 Bool_t prim = stack->IsPhysicalPrimary(iMc);
2676 // checked accepted without pt cut
2677 //if(accCuts->AcceptTrack(particle))
2678 if( particle->Eta() > accCuts->GetMinEta() && particle->Eta() < accCuts->GetMaxEta() )
2687 //_____________________________________________________________________________
2688 void AliAnalysisTaskFilteredTree::FillHistograms(AliESDtrack* const ptrack, AliExternalTrackParam* const ptpcInnerC, const Double_t centralityF, const Double_t chi2TPCInnerC)
2691 // Fill pT relative resolution histograms for
2692 // TPC only, TPC only constrained to vertex and TPC+ITS tracking
2695 if(!ptpcInnerC) return;
2697 const AliExternalTrackParam * innerParam = (AliExternalTrackParam *) ptrack->GetInnerParam();
2698 if(!innerParam) return;
2701 ptrack->GetImpactParameters(dxy,dz);
2703 // TPC+ITS primary tracks
2704 if( abs(ptrack->Eta())<0.8 &&
2705 ptrack->GetTPCClusterInfo(3,1)>120 &&
2706 ptrack->IsOn(0x40) &&
2707 ptrack->GetTPCclusters(0)>0.0 &&
2708 ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.4 &&
2709 //abs(innerParam->GetX())>0.0 &&
2710 //abs(innerParam->GetY()/innerParam->GetX())<0.14 &&
2711 //abs(innerParam->GetTgl())<0.85 &&
2712 ptrack->IsOn(0x0004) &&
2713 ptrack->GetNcls(0)>0 &&
2714 ptrack->GetITSchi2()>0 &&
2715 sqrt(ptrack->GetITSchi2()/ptrack->GetNcls(0))<6 &&
2716 sqrt(chi2TPCInnerC)<6 &&
2717 (ptrack->HasPointOnITSLayer(0) || ptrack->HasPointOnITSLayer(1)) &&
2719 abs(dxy)<(0.018+0.035*abs(ptrack->GetSigned1Pt())) )
2721 fPtResPhiPtTPCITS->Fill(ptrack->Pt(),ptrack->Phi(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2()));
2722 fPtResEtaPtTPCITS->Fill(ptrack->Pt(),ptrack->Eta(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2()));
2723 fPtResCentPtTPCITS->Fill(ptrack->Pt(),centralityF,1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2()));
2726 // TPC primary tracks
2727 // and TPC constrained primary tracks
2729 AliExternalTrackParam *ptpcInner = (AliExternalTrackParam *) ptrack->GetTPCInnerParam();
2730 if(!ptpcInner) return;
2733 Float_t dxyTPC, dzTPC;
2734 ptrack->GetImpactParametersTPC(dxyTPC,dzTPC);
2736 if( abs(ptrack->Eta())<0.8 &&
2737 ptrack->GetTPCClusterInfo(3,1)>120 &&
2738 ptrack->IsOn(0x40)&&
2739 ptrack->GetTPCclusters(0)>0.0 &&
2740 ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.4 &&
2741 //abs(innerParam->GetX())>0.0 &&
2742 //abs(innerParam->GetY()/innerParam->GetX())<0.14 &&
2743 //abs(innerParam->GetTgl())<0.85 &&
2748 fPtResPhiPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Phi(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2()));
2749 fPtResEtaPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Eta(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2()));
2750 fPtResCentPtTPC->Fill(ptpcInner->Pt(),centralityF,1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2()));
2752 // TPC constrained to vertex
2753 fPtResPhiPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Phi(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2()));
2754 fPtResEtaPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Eta(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2()));
2755 fPtResCentPtTPCc->Fill(ptpcInnerC->Pt(),centralityF,1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2()));