1 /**************************************************************************
2 * Copyright(c) 1998-2009, 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 //*************************************************************************
17 // Class AliAnalysisTaskVertexESD
18 // AliAnalysisTask to extract from ESD the information for the analysis
19 // of the primary vertex reconstruction efficiency and resolution
20 // (for MC events) and distributions (for real data). Three vertices:
25 // Author: A.Dainese, andrea.dainese@pd.infn.it
26 //*************************************************************************
32 #include <TClonesArray.h>
33 #include <TObjArray.h>
37 #include <TGraphAsymmErrors.h>
40 #include "AliAnalysisTask.h"
41 #include "AliAnalysisManager.h"
43 #include "AliMultiplicity.h"
44 #include "AliVertexerTracks.h"
45 #include "AliESDtrack.h"
46 #include "AliExternalTrackParam.h"
47 #include "AliESDVertex.h"
48 #include "AliVEvent.h"
49 #include "AliESDInputHandler.h"
50 #include "AliTrackReference.h"
51 //#include "AliTriggerAnalysis.h"
53 #include "AliMCEventHandler.h"
54 #include "AliMCEvent.h"
58 #include "AliGenEventHeader.h"
59 #include "AliAnalysisTaskVertexESD.h"
62 ClassImp(AliAnalysisTaskVertexESD)
64 //________________________________________________________________________
65 AliAnalysisTaskVertexESD::AliAnalysisTaskVertexESD(const char *name) :
66 AliAnalysisTaskSE(name),
67 fCheckEventType(kTRUE),
70 fRecoVtxITSTPC(kTRUE),
71 fRecoVtxITSTPCHalfEvent(kFALSE),
72 fOnlyITSTPCTracks(kFALSE),
73 fOnlyITSSATracks(kFALSE),
75 fFillTreeBeamSpot(kFALSE),
91 fhTriggeredTrklets(0),
105 fhSPDVertexDiffZPileContr2(0),
106 fhSPDVertexDiffZPileContr3(0),
107 fhSPDVertexDiffZPileContr4(0),
108 fhSPDVertexDiffZPileContr5(0),
109 fhSPDVertexDiffZPileDefault(0),
110 fhSPDContributorsPile(0),
111 fhSPDDispContributors(0),
112 fTriggerType(AliVEvent::kMB),
113 fhntrksSPDvsSPDcls(0),
118 // Define input and output slots here
119 // Output slot #0 writes into a TList container
120 DefineOutput(1, TList::Class()); //My private output
122 //________________________________________________________________________
123 AliAnalysisTaskVertexESD::~AliAnalysisTaskVertexESD()
127 // histograms are in the output list and deleted when the output
128 // list is deleted by the TSelector dtor
130 if (fOutput && !AliAnalysisManager::GetAnalysisManager()->IsProofMode()) {
137 //________________________________________________________________________
138 void AliAnalysisTaskVertexESD::UserCreateOutputObjects()
143 // Several histograms are more conveniently managed in a TList
147 fNtupleVertexESD = new TNtuple("fNtupleVertexESD","vertices","run:tstamp:bunchcross:triggered:dndygen:xdiam:ydiam:zdiam:xerrdiam:yerrdiam:zerrdiam:xtrue:ytrue:ztrue:xSPD:xerrSPD:ySPD:yerrSPD:zSPD:zerrSPD:ntrksSPD:SPD3D:dphiSPD:xTPC:xerrTPC:yTPC:yerrTPC:zTPC:zerrTPC:ntrksTPC:constrTPC:xTRK:xerrTRK:yTRK:yerrTRK:zTRK:zerrTRK:ntrksTRK:constrTRK:ntrklets:nESDtracks:nITSrefit5or6:nTPCin:nTPCinEta09:SPD0cls:ispileupfromSPDdefault:xSPDp:xerrSPDp:ySPDp:yerrSPDp:zSPDp:zerrSPDp:ntrksSPDp:xTPCnc:xerrTPCnc:yTPCnc:yerrTPCnc:zTPCnc:zerrTPCnc:ntrksTPCnc:xTPCc:xerrTPCc:yTPCc:yerrTPCc:zTPCc:zerrTPCc:ntrksTPCc:xTRKnc:xerrTRKnc:yTRKnc:yerrTRKnc:zTRKnc:zerrTRKnc:ntrksTRKnc:xTRKc:xerrTRKc:yTRKc:yerrTRKc:zTRKc:zerrTRKc:ntrksTRKc:deltaxTRKnc:deltayTRKnc:deltazTRKnc:deltaxerrTRKnc:deltayerrTRKnc:deltazerrTRKnc:ntrksEvenTRKnc:ntrksOddTRKnc");
149 fOutput->Add(fNtupleVertexESD);
151 fhSPDVertexX = new TH1F("fhSPDVertexX","SPDVertex x; x vertex [cm]; events",200,-1,1);
152 fOutput->Add(fhSPDVertexX);
153 fhSPDVertexY = new TH1F("fhSPDVertexY","SPDVertex y; y vertex [cm]; events",200,-1,1);
154 fOutput->Add(fhSPDVertexY);
155 fhSPDVertexZ = new TH1F("fhSPDVertexZ","SPDVertex z; z vertex [cm]; events",250,-25,25);
156 fOutput->Add(fhSPDVertexZ);
158 fhSPDVertexZonly = new TH1F("fhSPDVertexZonly","SPDVertexer z; z vertex [cm]; events",250,-25,25);
159 fOutput->Add(fhSPDVertexZonly);
161 fhTRKVertexX = new TH1F("fhTRKVertexX","TRKVertex x; x vertex [cm]; events",2000,-1,1);
162 fOutput->Add(fhTRKVertexX);
163 fhTRKVertexY = new TH1F("fhTRKVertexY","TRKVertex y; y vertex [cm]; events",2000,-1,1);
164 fOutput->Add(fhTRKVertexY);
165 fhTRKVertexZ = new TH1F("fhTRKVertexZ","TRKVertex z; z vertex [cm]; events",250,-25,25);
166 fOutput->Add(fhTRKVertexZ);
167 fhTPCVertexX = new TH1F("fhTPCVertexX","TPCVertex x; x vertex [cm]; events",200,-3,3);
168 fOutput->Add(fhTPCVertexX);
169 fhTPCVertexY = new TH1F("fhTPCVertexY","TPCVertex y; y vertex [cm]; events",200,-3,3);
170 fOutput->Add(fhTPCVertexY);
171 fhTPCVertexZ = new TH1F("fhTPCVertexZ","TPCVertex z; z vertex [cm]; events",250,-25,25);
172 fOutput->Add(fhTPCVertexZ);
175 fhSPDVertexXPile = new TH1F("fhSPDVertexXPile","SPDVertexPile x; x vertex [cm]; events",200,-20,20);
176 fOutput->Add(fhSPDVertexXPile);
177 fhSPDVertexYPile = new TH1F("fhSPDVertexYPile","SPDVertexPile y; y vertex [cm]; events",200,-20,20);
178 fOutput->Add(fhSPDVertexYPile);
179 fhSPDVertexZPile = new TH1F("fhSPDVertexZPile","SPDVertexPile z; z vertex [cm]; events",200,-40,40);
180 fOutput->Add(fhSPDVertexZPile);
182 fhSPDVertexDiffZPileContr2 = new TH1F("fhSPDVertexDiffZPileContr2","SPDVertexDiff z; zmain - zpile [cm]; events",2000,-100,100);
183 fOutput->Add(fhSPDVertexDiffZPileContr2);
184 fhSPDVertexDiffZPileContr3 = new TH1F("fhSPDVertexDiffZPileContr3","SPDVertexDiff z; zmain - zpile [cm]; events",2000,-100,100);
185 fOutput->Add(fhSPDVertexDiffZPileContr3);
186 fhSPDVertexDiffZPileContr4 = new TH1F("fhSPDVertexDiffZPileContr4","SPDVertexDiff z; zmain - zpile [cm]; events",2000,-100,100);
187 fOutput->Add(fhSPDVertexDiffZPileContr4);
188 fhSPDVertexDiffZPileContr5 = new TH1F("fhSPDVertexDiffZPileContr5","SPDVertexDiff z; zmain - zpile [cm]; events",2000,-100,100);
189 fOutput->Add(fhSPDVertexDiffZPileContr5);
190 fhSPDVertexDiffZPileDefault = new TH1F("fhSPDVertexDiffZPileDefault","SPDVertexDiff z; zmain - zpile [cm]; events",2000,-100,100);
191 fOutput->Add(fhSPDVertexDiffZPileDefault);
193 fhTrackRefs = new TH2F("fhTrackRefs","Track references; x; y",1000,-4,4,1000,-4,4);
194 fOutput->Add(fhTrackRefs);
196 fTreeBeamSpot = new TTree("fTreeBeamSpot", "BeamSpotTree");
197 UShort_t triggered, ntrkletsS, ntrksTRKnc;
199 Float_t cetTimeLHC,xTRKnc, yTRKnc, zTRKnc;
200 fTreeBeamSpot->Branch("run", &run, "run/i");
201 fTreeBeamSpot->Branch("cetTimeLHC", &cetTimeLHC, "cetTimeLHC/F");
202 fTreeBeamSpot->Branch("bx", &bx, "bx/i");
203 fTreeBeamSpot->Branch("triggered", &triggered, "triggered/s");
204 fTreeBeamSpot->Branch("ntrkletsS", &ntrkletsS, "ntrkletsS/s");
205 fTreeBeamSpot->Branch("xTRKnc", &xTRKnc, "xTRKnc/F");
206 fTreeBeamSpot->Branch("yTRKnc", &yTRKnc, "yTRKnc/F");
207 fTreeBeamSpot->Branch("zTRKnc", &zTRKnc, "zTRKnc/F");
208 fTreeBeamSpot->Branch("ntrksTRKnc", &ntrksTRKnc, "ntrksTRKnc/s");
209 fOutput->Add(fTreeBeamSpot);
211 Int_t nbinTrklets=29;
212 Float_t lowTrklets[30]={-0.5,0.5,1.5,2.5,3.5,4.5,5.5,7.5,10.5,25.5,50.5,75.5,100.5,150.5,200.5,300.5,400.5,500.5,600.5,800.5,1000.5,1500.5,2000.5,2500.5,3000.5,4000.5,5000.5,6000.5,8000.5,10000.5};
213 fhTriggeredTrklets = new TH1F("fhTriggeredTrklets","trklets dist for triggered ev.; ntrklets; entries",nbinTrklets,lowTrklets);
214 fOutput->Add(fhTriggeredTrklets);
215 fhSPD3DTrklets = new TH1F("fhSPD3DTrklets","trklets dist for SPD3D ev.; ntrklets; entries",nbinTrklets,lowTrklets);
216 fOutput->Add(fhSPD3DTrklets);
217 fhSPDZTrklets = new TH1F("fhSPDZTrklets","trklets dist for SPDZ ev.; ntrklets; entries",nbinTrklets,lowTrklets);
218 fOutput->Add(fhSPDZTrklets);
219 fhTRKTrklets = new TH1F("fhTRKTrklets","trklets dist for TRK ev.; ntrklets; entries",nbinTrklets,lowTrklets);
220 fOutput->Add(fhTRKTrklets);
221 fhTRKcTrklets = new TH1F("fhTRKcTrklets","trklets dist for TRKc ev.; ntrklets; entries",nbinTrklets,lowTrklets);
222 fOutput->Add(fhTRKcTrklets);
223 fhTRKncTrklets = new TH1F("fhTRKncTrklets","trklets dist for TRKnc ev.; ntrklets; entries",nbinTrklets,lowTrklets);
224 fOutput->Add(fhTRKncTrklets);
225 fhTPCTrklets = new TH1F("fhTPCTrklets","trklets dist for TPC ev.; ntrklets; entries",nbinTrklets,lowTrklets);
226 fOutput->Add(fhTPCTrklets);
227 fhTPCcTrklets = new TH1F("fhTPCcTrklets","trklets dist for TPCc ev.; ntrklets; entries",nbinTrklets,lowTrklets);
228 fOutput->Add(fhTPCcTrklets);
229 fhTPCncTrklets = new TH1F("fhTPCncTrklets","trklets dist for TPCnc ev.; ntrklets; entries",nbinTrklets,lowTrklets);
230 fOutput->Add(fhTPCncTrklets);
232 Int_t nbinZreco = 16;
233 Double_t lowZreco[17]={-15.0,-10.0,-7.0,-5,-4,-3,-2,-1,0,1,2,3,4,5,7,10,15};
234 fhSPD3DZreco = new TH1F("fhSPD3DZreco","Zreco dist for SPD3D ev.; Zreco [cm]; entries",nbinZreco,lowZreco);
235 fOutput->Add(fhSPD3DZreco);
236 fhSPDZZreco = new TH1F("fhSPDZZreco","Zreco dist for SPDZ ev.; Zreco [cm]; entries",nbinZreco,lowZreco);
237 fOutput->Add(fhSPDZZreco);
239 fhSPDContributorsPile = new TH1F("fhSPDContributorsPile","ncontributors pile up vertex; ncontributors; entries",200,-0.5,199.5);
240 fOutput->Add(fhSPDContributorsPile);
242 fhSPDDispContributors = new TH2F("fhSPDDispContributors","ncontributors main-pile; ncontributors main; ncontributors pile",200,-0.5,199.5,200,-0.5,199.5);
243 fOutput->Add(fhSPDDispContributors);
245 fhntrksSPDvsSPDcls = new TH2F("fhntrksSPDvsSPDcls", "ncontributors SPD3D vs number of cluster SPD; nContributors 3D; nCluster SPD1",300,0.,3000.,400,0.,8000.);
246 fOutput->Add(fhntrksSPDvsSPDcls);
248 fhntrksZvsSPDcls = new TH2F("fhntrksZvsSPDcls", "ncontributors SPDZ vs number of cluster SPD; nContributors Z; nCluster SPD1",300,0.,3000.,400,0.,8000.);
249 fOutput->Add(fhntrksZvsSPDcls);
251 PostData(1, fOutput);
256 //________________________________________________________________________
257 void AliAnalysisTaskVertexESD::UserExec(Option_t *)
260 // Called for each event
263 Printf("ERROR: fESD not available");
266 AliESDEvent* esdE = (AliESDEvent*) InputEvent();
268 // Select PHYSICS events (type=7, for data) and MC events (type=0)
269 // fCheckEventType is kFALSE if fReadMC is kTRUE, hence check is skipped
270 if(fCheckEventType) {
271 if(esdE->GetEventType()!=7 && esdE->GetEventType()!=0) return;
276 mcVertex[0]=9999.; mcVertex[1]=9999.; mcVertex[2]=9999.;
277 Float_t dNchdy=-999.;
278 // *********** MC info ***************
280 AliMCEventHandler* eventHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
282 Printf("ERROR: Could not retrieve MC event handler");
286 AliMCEvent* mcEvent = eventHandler->MCEvent();
288 Printf("ERROR: Could not retrieve MC event");
292 AliStack* stack = mcEvent->Stack();
294 AliDebug(AliLog::kError, "Stack not available");
298 AliHeader* header = mcEvent->Header();
300 AliDebug(AliLog::kError, "Header not available");
303 AliGenEventHeader* genHeader = header->GenEventHeader();
304 genHeader->PrimaryVertex(mcVertex);
306 Int_t ngenpart = (Int_t)stack->GetNtrack();
307 //printf("# generated particles = %d\n",ngenpart);
309 for(Int_t ip=0; ip<ngenpart; ip++) {
310 TParticle* part = (TParticle*)stack->Particle(ip);
311 // keep only electorns, muons, pions, kaons and protons
312 Int_t apdg = TMath::Abs(part->GetPdgCode());
313 if(apdg!=11 && apdg!=13 && apdg!=211 && apdg!=321 && apdg!=2212) continue;
314 // reject secondaries
315 if(TMath::Sqrt((part->Vx()-mcVertex[0])*(part->Vx()-mcVertex[0])+(part->Vy()-mcVertex[1])*(part->Vy()-mcVertex[1]))>0.0010) continue;
316 // reject incoming protons
317 Double_t energy = part->Energy();
318 if(energy>900.) continue;
319 Double_t pz = part->Pz();
320 Double_t y = 0.5*TMath::Log((energy+pz+1.e-13)/(energy-pz+1.e-13));
321 if(TMath::Abs(y)<1.0) dNchdy += 0.5; // count 1/2 of particles in |y|<1
323 TClonesArray *trefs=0;
324 Int_t ntrefs = mcEvent->GetParticleAndTR(ip,part,trefs);
325 if(ntrefs<0) continue;
326 for(Int_t iref=0; iref<ntrefs; iref++) {
327 AliTrackReference *tref = (AliTrackReference*)trefs->At(iref);
328 if(tref->R()>10.) continue;
329 fhTrackRefs->Fill(tref->X(),tref->Y());
332 //printf("# primary particles = %7.1f\n",dNchdy);
334 // *********** MC info ***************
338 //ULong64_t triggerMask;
339 //ULong64_t spdFO = (1 << 14);
340 //ULong64_t v0left = (1 << 10);
341 //ULong64_t v0right = (1 << 11);
343 //triggerMask=esdE->GetTriggerMask();
344 // MB1: SPDFO || V0L || V0R
345 //Bool_t eventTriggered = (triggerMask & spdFO || ((triggerMask & v0left) || (triggerMask & v0right)));
347 //triggerMask & spdFO && ((triggerMask&v0left) || (triggerMask&v0right))
348 //Bool_t eventTriggered = (triggerMask & spdFO);
350 //static AliTriggerAnalysis* triggerAnalysis = new AliTriggerAnalysis();
351 Bool_t eventTriggered = 0;//triggerAnalysis->IsTriggerFired(esdE, AliTriggerAnalysis::kSPDGFO /*| AliTriggerAnalysis::kOfflineFlag*/);
353 // use response of AliPhysicsSelection
354 eventTriggered = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & fTriggerType);
357 Int_t nInFile = esdE->GetEventNumberInFile();
359 const AliMultiplicity *alimult = esdE->GetMultiplicity();
360 Int_t ntrklets=0,spd0cls=0, spd1cls=0;
362 ntrklets = alimult->GetNumberOfTracklets();
364 for(Int_t l=0;l<alimult->GetNumberOfTracklets();l++){
365 if(alimult->GetDeltaPhi(l)<-9998.) ntrklets--;
367 spd0cls = alimult->GetNumberOfSingleClusters()+ntrklets;
368 spd1cls = alimult->GetNumberOfITSClusters(1);
372 UShort_t triggered, ntrkletsS, ntrksTRKnc;
374 Float_t cetTimeLHC,xTRKnc, yTRKnc, zTRKnc;
375 fTreeBeamSpot->SetBranchAddress("run", &run);
376 fTreeBeamSpot->SetBranchAddress("cetTimeLHC", &cetTimeLHC);
377 fTreeBeamSpot->SetBranchAddress("bx", &bx);
378 fTreeBeamSpot->SetBranchAddress("triggered", &triggered);
379 fTreeBeamSpot->SetBranchAddress("ntrkletsS", &ntrkletsS);
380 fTreeBeamSpot->SetBranchAddress("xTRKnc", &xTRKnc);
381 fTreeBeamSpot->SetBranchAddress("yTRKnc", &yTRKnc);
382 fTreeBeamSpot->SetBranchAddress("zTRKnc", &zTRKnc);
383 fTreeBeamSpot->SetBranchAddress("ntrksTRKnc", &ntrksTRKnc);
386 Double_t tstamp = esdE->GetTimeStamp();
387 Float_t cetTime =(tstamp-1262304000.)+7200.;
389 Float_t cetTime1h =(tstamp-1262304000.)+3600.;
391 cetTimeLHC = (Float_t)cetTime1h;
393 Int_t ntracks = esdE->GetNumberOfTracks();
394 Int_t nITS5or6=0,nTPCin=0,nTPCinEta09=0;
395 //printf("Tracks # = %d\n",esdE->GetNumberOfTracks());
396 for(Int_t itr=0; itr<ntracks; itr++) {
397 AliESDtrack *t = esdE->GetTrack(itr);
398 if(t->GetNcls(0)>=5) nITS5or6++;
399 Double_t z0; t->GetZAt(0,esdE->GetMagneticField(),z0);
400 if(t->GetNcls(1)>0 && TMath::Abs(t->GetD(0,0,esdE->GetMagneticField()))<2.8 && TMath::Abs(z0)<20) {
402 if(TMath::Abs(t->GetTgl())<1.5) nTPCinEta09++;
407 const AliESDVertex *spdv=esdE->GetPrimaryVertexSPD();
408 const AliESDVertex *spdvp=esdE->GetPileupVertexSPD(0);
409 const AliESDVertex *tpcv=esdE->GetPrimaryVertexTPC();
410 const AliESDVertex *trkv=esdE->GetPrimaryVertexTracks();
415 if(spdv->GetNContributors()>0) {
416 TString title=spdv->GetTitle();
417 if(title.Contains("3D")) {
418 fhSPDVertexX->Fill(spdv->GetXv());
419 fhSPDVertexY->Fill(spdv->GetYv());
420 fhSPDVertexZ->Fill(spdv->GetZv());
422 fhntrksSPDvsSPDcls->Fill(spdv->GetNContributors(), spd0cls);
424 if(title.Contains("Z")){
425 fhSPDVertexZonly->Fill(spdv->GetZv());
426 fhntrksZvsSPDcls->Fill(spdv->GetNContributors(), spd1cls);
432 if(trkv->GetNContributors()>0) {
433 fhTRKVertexX->Fill(trkv->GetXv());
434 fhTRKVertexY->Fill(trkv->GetYv());
435 fhTRKVertexZ->Fill(trkv->GetZv());
440 if(tpcv->GetNContributors()>0) {
441 fhTPCVertexX->Fill(tpcv->GetXv());
442 fhTPCVertexY->Fill(tpcv->GetYv());
443 fhTPCVertexZ->Fill(tpcv->GetZv());
449 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
450 // filling Vertex reco efficiency plots
452 if(eventTriggered ? 1. : 0.){
453 fhTriggeredTrklets->Fill(ntrklets);
456 if(spdv->GetNContributors()>0.5){
457 TString spdtitle = spdv->GetTitle();
458 if(spdtitle.Contains("vertexer: 3D") ? 1. : 0.){
459 fhSPD3DTrklets->Fill(ntrklets);
460 fhSPD3DZreco->Fill(spdv->GetZv());
463 fhSPDZTrklets->Fill(ntrklets);
464 fhSPDZZreco->Fill(spdv->GetZv());
470 if(trkv->GetNContributors()>0.5)fhTRKTrklets->Fill(ntrklets);
473 AliESDVertex *trkvc = ReconstructPrimaryVertexITSTPC(kTRUE);
474 if(trkvc->GetNContributors()>0.5)fhTRKcTrklets->Fill(ntrklets);
475 delete trkvc; trkvc=0;
476 AliESDVertex *trkvnc = ReconstructPrimaryVertexITSTPC(kFALSE);
477 if(trkvnc->GetNContributors()>0.5)fhTRKncTrklets->Fill(ntrklets);
478 delete trkvnc; trkvnc=0;
482 if(tpcv->GetNContributors()>0.5)fhTPCTrklets->Fill(ntrklets);
485 AliESDVertex *tpcvc = ReconstructPrimaryVertexTPC(kTRUE);
486 if(tpcvc->GetNContributors()>0.5)fhTPCcTrklets->Fill(ntrklets);
487 delete tpcvc; tpcvc=0;
488 AliESDVertex *tpcvnc = ReconstructPrimaryVertexTPC(kFALSE);
489 if(tpcvnc->GetNContributors()>0.5)fhTPCncTrklets->Fill(ntrklets);
490 delete tpcvnc; tpcvnc=0;
493 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
498 Float_t expile=-999.;
499 Float_t eypile=-999.;
500 Float_t ezpile=-999.;
502 Bool_t isPileUpfromSPD=esdE->IsPileupFromSPD();
504 if(esdE->GetNumberOfPileupVerticesSPD()>0 && spdvp && spdv){
506 if(spdvp->GetNContributors()>=2) {
508 xpile=spdvp->GetXv();
509 expile=spdvp->GetXRes();
510 ypile=spdvp->GetYv();
511 eypile=spdvp->GetYRes();
512 zpile=spdvp->GetZv();
513 ezpile=spdvp->GetZRes();
514 ntrkspile=spdvp->GetNContributors();
516 if (esdE->IsPileupFromSPD(2,0.,3.,2.,5.)){
518 fhSPDVertexDiffZPileContr2->Fill(spdv->GetZv()-spdvp->GetZv());
519 if(spdvp->GetNContributors()>=3) {fhSPDVertexDiffZPileContr3->Fill(spdv->GetZv()-spdvp->GetZv());}
520 if(spdvp->GetNContributors()>=4) {fhSPDVertexDiffZPileContr4->Fill(spdv->GetZv()-spdvp->GetZv());}
521 if(spdvp->GetNContributors()>=5) {fhSPDVertexDiffZPileContr5->Fill(spdv->GetZv()-spdvp->GetZv());}
523 }//end IsPileUpFromSPD
525 if (isPileUpfromSPD){
527 fhSPDVertexXPile->Fill(spdvp->GetXv());
528 fhSPDVertexYPile->Fill(spdvp->GetYv());
529 fhSPDVertexZPile->Fill(spdvp->GetZv());
530 fhSPDContributorsPile->Fill(spdvp->GetNContributors());
531 fhSPDDispContributors->Fill(spdv->GetNContributors(),spdvp->GetNContributors());
532 fhSPDVertexDiffZPileDefault->Fill(spdv->GetZv()-spdvp->GetZv());
540 Float_t xnt[89]; for(Int_t iii=0;iii<isize;iii++) xnt[iii]=0.;
543 Float_t secnt[9]; for(Int_t iii=0;iii<isizeSecNt;iii++) secnt[iii]=0.;
548 xnt[index++]=(Float_t)esdE->GetRunNumber();
549 secnt[indexSecNt++]=(Float_t)esdE->GetRunNumber();
550 run = (Int_t)esdE->GetRunNumber();
552 xnt[index++]=cetTime; //(Float_t)esdE->GetTimeStamp();
553 //secnt[indexSecNt++]=cetTime;
554 secnt[indexSecNt++]=cetTime1h;
556 xnt[index++]=(Float_t)esdE->GetBunchCrossNumber();
557 secnt[indexSecNt++]=(Float_t)esdE->GetBunchCrossNumber();
558 bx = (Int_t)esdE->GetBunchCrossNumber();
560 xnt[index++]=(eventTriggered ? 1. : 0.);
561 secnt[indexSecNt++]=(eventTriggered ? 1. : 0.);
562 triggered = (UShort_t)(eventTriggered ? 1 : 0);
564 xnt[index++]=(Float_t)dNchdy;
566 xnt[index++]=(Float_t)esdE->GetDiamondX();
567 xnt[index++]=(Float_t)esdE->GetDiamondY();
568 xnt[index++]=(Float_t)esdE->GetDiamondZ();
570 xnt[index++]=(Float_t)(TMath::Sqrt(esdE->GetSigma2DiamondX()));
571 xnt[index++]=(Float_t)(TMath::Sqrt(esdE->GetSigma2DiamondY()));
572 xnt[index++]=(Float_t)(TMath::Sqrt(esdE->GetSigma2DiamondZ()));
575 xnt[index++]=mcVertex[0];
576 xnt[index++]=mcVertex[1];
577 xnt[index++]=mcVertex[2];
579 xnt[index++]=spdv->GetXv();
580 xnt[index++]=spdv->GetXRes();
581 xnt[index++]=spdv->GetYv();
582 xnt[index++]=spdv->GetYRes();
583 xnt[index++]=spdv->GetZv();
584 xnt[index++]=spdv->GetZRes();
585 xnt[index++]=spdv->GetNContributors();
586 TString spdtitle = spdv->GetTitle();
587 xnt[index++]=(spdtitle.Contains("vertexer: 3D") ? 1. : 0.);
588 xnt[index++]=spdv->GetDispersion();
590 xnt[index++]=tpcv->GetXv();
591 xnt[index++]=tpcv->GetXRes();
592 xnt[index++]=tpcv->GetYv();
593 xnt[index++]=tpcv->GetYRes();
594 xnt[index++]=tpcv->GetZv();
595 xnt[index++]=tpcv->GetZRes();
596 xnt[index++]=tpcv->GetNContributors();
597 TString tpctitle = tpcv->GetTitle();
598 xnt[index++]=(tpctitle.Contains("WithConstraint") ? 1. : 0.);
600 xnt[index++]=trkv->GetXv();
601 xnt[index++]=trkv->GetXRes();
602 xnt[index++]=trkv->GetYv();
603 xnt[index++]=trkv->GetYRes();
604 xnt[index++]=trkv->GetZv();
605 xnt[index++]=trkv->GetZRes();
606 xnt[index++]=trkv->GetNContributors();// tpccontrorig;
607 TString trktitle = trkv->GetTitle();
608 xnt[index++]=(trktitle.Contains("WithConstraint") ? 1. : 0.);
610 xnt[index++]=float(ntrklets);
611 secnt[indexSecNt++]=float(ntrklets);
612 ntrkletsS = (UShort_t)ntrklets;
614 xnt[index++]=float(ntracks);
615 xnt[index++]=float(nITS5or6);
617 xnt[index++]=float(nTPCin);
618 xnt[index++]=float(nTPCinEta09);
620 xnt[index++]=spd0cls;
622 xnt[index++]=Float_t(isPileUpfromSPD);
629 xnt[index++]=(Float_t)ntrkspile;
633 // add recalculated vertices TRK and TPC
636 AliESDVertex *tpcvnc = ReconstructPrimaryVertexTPC(kFALSE);
637 xnt[index++]=tpcvnc->GetXv();
638 xnt[index++]=tpcvnc->GetXRes();
639 xnt[index++]=tpcvnc->GetYv();
640 xnt[index++]=tpcvnc->GetYRes();
641 xnt[index++]=tpcvnc->GetZv();
642 xnt[index++]=tpcvnc->GetZRes();
643 xnt[index++]=tpcvnc->GetNContributors();
644 delete tpcvnc; tpcvnc=0;
646 AliESDVertex *tpcvc = ReconstructPrimaryVertexTPC(kTRUE);
647 xnt[index++]=tpcvc->GetXv();
648 xnt[index++]=tpcvc->GetXRes();
649 xnt[index++]=tpcvc->GetYv();
650 xnt[index++]=tpcvc->GetYRes();
651 xnt[index++]=tpcvc->GetZv();
652 xnt[index++]=tpcvc->GetZRes();
653 xnt[index++]=tpcvc->GetNContributors();
654 delete tpcvc; tpcvc=0;
658 AliESDVertex *trkvnc = ReconstructPrimaryVertexITSTPC(kFALSE);
659 xnt[index++]=trkvnc->GetXv();
660 xnt[index++]=trkvnc->GetXRes();
661 xnt[index++]=trkvnc->GetYv();
662 xnt[index++]=trkvnc->GetYRes();
663 xnt[index++]=trkvnc->GetZv();
664 xnt[index++]=trkvnc->GetZRes();
665 xnt[index++]=trkvnc->GetNContributors();
667 secnt[indexSecNt++]=trkvnc->GetXv();
668 secnt[indexSecNt++]=trkvnc->GetYv();
669 secnt[indexSecNt++]=trkvnc->GetZv();
670 secnt[indexSecNt++]=trkvnc->GetNContributors();
672 xTRKnc = (Float_t)trkvnc->GetXv();
673 yTRKnc = (Float_t)trkvnc->GetYv();
674 zTRKnc = (Float_t)trkvnc->GetZv();
675 ntrksTRKnc = (trkvnc->GetNContributors()<0 ? 0 : (UShort_t)trkvnc->GetNContributors());
677 delete trkvnc; trkvnc=0;
680 AliESDVertex *trkvc = ReconstructPrimaryVertexITSTPC(kTRUE);
681 xnt[index++]=trkvc->GetXv();
682 xnt[index++]=trkvc->GetXRes();
683 xnt[index++]=trkvc->GetYv();
684 xnt[index++]=trkvc->GetYRes();
685 xnt[index++]=trkvc->GetZv();
686 xnt[index++]=trkvc->GetZRes();
687 xnt[index++]=trkvc->GetNContributors();
688 delete trkvc; trkvc=0;
691 if(fRecoVtxITSTPCHalfEvent) {
692 AliESDVertex *trkvncodd = ReconstructPrimaryVertexITSTPC(kFALSE,1);
693 AliESDVertex *trkvnceven = ReconstructPrimaryVertexITSTPC(kFALSE,2);
694 if(trkvncodd->GetNContributors()>0 &&
695 trkvnceven->GetNContributors()>0) {
696 xnt[index++]=trkvncodd->GetXv()-trkvnceven->GetXv();
697 xnt[index++]=trkvncodd->GetYv()-trkvnceven->GetYv();
698 xnt[index++]=trkvncodd->GetZv()-trkvnceven->GetZv();
699 xnt[index++]=TMath::Sqrt(trkvncodd->GetXRes()*trkvncodd->GetXRes()+trkvnceven->GetXRes()*trkvnceven->GetXRes());
700 xnt[index++]=TMath::Sqrt(trkvncodd->GetYRes()*trkvncodd->GetYRes()+trkvnceven->GetYRes()*trkvnceven->GetYRes());
701 xnt[index++]=TMath::Sqrt(trkvncodd->GetZRes()*trkvncodd->GetZRes()+trkvnceven->GetZRes()*trkvnceven->GetZRes());
702 xnt[index++]=trkvnceven->GetNContributors();
703 xnt[index++]=trkvncodd->GetNContributors();
714 delete trkvncodd; trkvncodd=0;
715 delete trkvnceven; trkvnceven=0;
719 if(index>isize) printf("AliAnalysisTaskVertexESD: ERROR, index!=isize\n");
720 if(fFillNtuple) fNtupleVertexESD->Fill(xnt);
722 if(indexSecNt>isizeSecNt) printf("AliAnalysisTaskVertexESD: ERROR, indexSecNt!=isizeSecNt\n");
724 // if(indexTree>isizeTree) printf("AliAnalysisTaskVertexESD: ERROR, indexTree!=isizeTree\n");
725 // only every second event (to reduce output size)
726 if(fFillTreeBeamSpot && (nInFile%2 == 0)) fTreeBeamSpot->Fill();
729 // Post the data already here
730 PostData(1, fOutput);
735 //________________________________________________________________________
736 void AliAnalysisTaskVertexESD::Terminate(Option_t *)
738 // Draw result to the screen
739 // Called once at the end of the query
740 fOutput = dynamic_cast<TList*> (GetOutputData(1));
742 Printf("ERROR: fOutput not available");
746 //////////////////////////////////////////////////////
748 TH1F *fhTriggeredTrklets=(TH1F*)fOutput->FindObject("fhTriggeredTrklets");
749 TH1F *fhSPDZTrklets=(TH1F*)fOutput->FindObject("fhSPDZTrklets");
750 TH1F *fhSPD3DTrklets=(TH1F*)fOutput->FindObject("fhSPD3DTrklets");
751 TH1F *fhTRKTrklets=(TH1F*)fOutput->FindObject("fhTRKTrklets");
752 TH1F *fhTRKcTrklets=(TH1F*)fOutput->FindObject("fhTRKcTrklets");
753 TH1F *fhTRKncTrklets=(TH1F*)fOutput->FindObject("fhTRKncTrklets");
754 TH1F *fhSPDZZreco=(TH1F*)fOutput->FindObject("fhSPDZZreco");
755 TH1F *fhSPD3DZreco=(TH1F*)fOutput->FindObject("fhSPD3DZreco");
757 TGraphAsymmErrors *fhSPDZEffTrklets=new TGraphAsymmErrors(fhSPDZTrklets,fhTriggeredTrklets,"w");
758 fhSPDZEffTrklets->SetName("fhSPDZEffTrklets");
759 fhSPDZEffTrklets->SetDrawOption("AP");
760 TGraphAsymmErrors *fhSPD3DEffTrklets=new TGraphAsymmErrors(fhSPD3DTrklets,fhTriggeredTrklets,"w");
761 fhSPD3DEffTrklets->SetName("fhSPD3DEffTrklets");
762 TH1F * fhSPDOverallTrklets=(TH1F*)fhSPDZTrklets->Clone("fhSPDOverallTrklets");
763 fhSPDOverallTrklets->Add(fhSPD3DTrklets);
764 TGraphAsymmErrors *fhSPDOverallEffTrklets=new TGraphAsymmErrors(fhSPDOverallTrklets,fhTriggeredTrklets,"w");
765 fhSPDOverallEffTrklets->SetName("fhSPDOverallEffTrklets");
766 TGraphAsymmErrors *fhTRKEffTrklets=new TGraphAsymmErrors(fhTRKTrklets,fhTriggeredTrklets,"w");
767 fhTRKEffTrklets->SetName("fhTRKEffTrklets");
768 TGraphAsymmErrors *fhTRKcEffTrklets=new TGraphAsymmErrors(fhTRKcTrklets,fhTriggeredTrklets,"w");
769 fhTRKcEffTrklets->SetName("fhTRKcEffTrklets");
770 TGraphAsymmErrors *fhTRKncEffTrklets=new TGraphAsymmErrors(fhTRKncTrklets,fhTriggeredTrklets,"w");
771 fhTRKncEffTrklets->SetName("fhTRKncEffTrklets");
772 TH1F * fhSPDOverallZreco=(TH1F*)fhSPDZZreco->Clone("fhSPDOverallZreco");
773 fhSPDOverallZreco->Add(fhSPD3DZreco);
774 TGraphAsymmErrors *fhSPDEffZreco=new TGraphAsymmErrors(fhSPD3DZreco,fhSPDOverallZreco,"w");
775 fhSPDEffZreco->SetName("fhSPDEffZreco");
777 TH1F *fhEff = new TH1F("hEff","hEff",6,0.5,6.5);
779 if(fhSPDZTrklets->GetEntries()!=0 && fhTriggeredTrklets->GetEntries()!=0){
780 fhEff->Fill(count,fhSPDZTrklets->GetEntries()/fhTriggeredTrklets->GetEntries());
781 fhEff->SetBinError(count,fhEff->GetBinContent(count)*TMath::Sqrt(1/fhSPDZTrklets->GetEntries()+1/fhTriggeredTrklets->GetEntries()));
783 fhEff->GetXaxis()->SetBinLabel(count,"SPDZ");
786 if(fhSPD3DTrklets->GetEntries()!=0 && fhTriggeredTrklets->GetEntries()!=0){
787 fhEff->Fill(count,fhSPD3DTrklets->GetEntries()/fhTriggeredTrklets->GetEntries());
788 fhEff->SetBinError(count,fhEff->GetBinContent(count)*TMath::Sqrt(1/fhSPD3DTrklets->GetEntries()+1/fhTriggeredTrklets->GetEntries()));
790 fhEff->GetXaxis()->SetBinLabel(count,"SPD3D");
793 if(fhSPDOverallTrklets->GetEntries()!=0 && fhTriggeredTrklets->GetEntries()!=0){
794 fhEff->Fill(count,fhSPDOverallTrklets->GetEntries()/fhTriggeredTrklets->GetEntries());
795 fhEff->SetBinError(count,fhEff->GetBinContent(count)*TMath::Sqrt(1/fhSPDOverallTrklets->GetEntries()+1/fhTriggeredTrklets->GetEntries()));
797 fhEff->GetXaxis()->SetBinLabel(count,"SPD Overall");
800 if(fhTRKTrklets->GetEntries()!=0 && fhTriggeredTrklets->GetEntries()!=0){
801 fhEff->Fill(count,fhTRKTrklets->GetEntries()/fhTriggeredTrklets->GetEntries());
802 fhEff->SetBinError(count,fhEff->GetBinContent(count)*TMath::Sqrt(1/fhTRKTrklets->GetEntries()+1/fhTriggeredTrklets->GetEntries()));
804 fhEff->GetXaxis()->SetBinLabel(count,"TRK");
807 if(fhTRKcTrklets->GetEntries()!=0 && fhTriggeredTrklets->GetEntries()!=0){
808 fhEff->Fill(count,fhTRKcTrklets->GetEntries()/fhTriggeredTrklets->GetEntries());
809 fhEff->SetBinError(count,fhEff->GetBinContent(count)*TMath::Sqrt(1/fhTRKcTrklets->GetEntries()+1/fhTriggeredTrklets->GetEntries()));
811 fhEff->GetXaxis()->SetBinLabel(count,"TRKc");
814 if(fhTRKncTrklets->GetEntries()!=0 && fhTriggeredTrklets->GetEntries()!=0){
815 fhEff->Fill(count,fhTRKncTrklets->GetEntries()/fhTriggeredTrklets->GetEntries());
816 fhEff->SetBinError(count,fhEff->GetBinContent(count)*TMath::Sqrt(1/fhTRKncTrklets->GetEntries()+1/fhTriggeredTrklets->GetEntries()));
818 fhEff->GetXaxis()->SetBinLabel(count,"TRKnc");
823 TFile* fileEff = new TFile("VtxEff.root","recreate");
824 fhSPDZEffTrklets->Write();
825 fhSPD3DEffTrklets->Write();
826 fhSPDOverallEffTrklets->Write();
827 fhTRKEffTrklets->Write();
828 fhTRKcEffTrklets->Write();
829 fhTRKncEffTrklets->Write();
830 fhSPDEffZreco->Write();
835 /////////////////////////////////////////
839 if (!fNtupleVertexESD){
840 Printf("ERROR: fNtuple not available");
844 fNtupleVertexESD = dynamic_cast<TNtuple*>(fOutput->FindObject("fNtupleVertexESD"));
850 //_________________________________________________________________________
851 AliESDVertex* AliAnalysisTaskVertexESD::ReconstructPrimaryVertexTPC(Bool_t constr) const {
852 // On the fly reco of TPC vertex from ESD
853 AliESDEvent* evt = (AliESDEvent*) fInputEvent;
854 AliVertexerTracks vertexer(evt->GetMagneticField());
855 if(evt->GetNumberOfTracks()<500) {
856 vertexer.SetTPCMode(); // defaults
858 vertexer.SetTPCMode(0.1,1.0,5.0,10,1,3.,0.1,1.5,3.,30.,1,1);// PbPb
860 Float_t diamondcovxy[3]; evt->GetDiamondCovXY(diamondcovxy);
861 Double_t pos[3]={evt->GetDiamondX(),evt->GetDiamondY(),0};
862 Double_t cov[6]={diamondcovxy[0],diamondcovxy[1],diamondcovxy[2],0.,0.,10.*10.};
863 AliESDVertex *initVertex = new AliESDVertex(pos,cov,1.,1);
864 vertexer.SetVtxStart(initVertex);
866 if(!constr) vertexer.SetConstraintOff();
868 return vertexer.FindPrimaryVertex(evt);
871 //_________________________________________________________________________
872 AliESDVertex* AliAnalysisTaskVertexESD::ReconstructPrimaryVertexITSTPC(Bool_t constr,Int_t mode) const {
873 // On the fly reco of ITS+TPC vertex from ESD
874 // mode=0 use all tracks
875 // mode=1 use odd-number tracks
876 // mode=2 use even-number tracks
878 AliESDEvent* evt = (AliESDEvent*) fInputEvent;
879 AliVertexerTracks vertexer(evt->GetMagneticField());
880 if(evt->GetNumberOfTracks()<500) {
881 vertexer.SetITSMode(); // defaults
882 vertexer.SetMinClusters(3); // default is 5
884 vertexer.SetITSMode(0.1,0.1,0.5,5,1,3.,100.,1000.,3.,30.,1,1);// PbPb
886 //vertexer.SetITSpureSA();
887 Float_t diamondcovxy[3]; evt->GetDiamondCovXY(diamondcovxy);
888 Double_t pos[3]={evt->GetDiamondX(),evt->GetDiamondY(),0};
889 Double_t cov[6]={diamondcovxy[0],diamondcovxy[1],diamondcovxy[2],0.,0.,10.*10.};
890 AliESDVertex *initVertex = new AliESDVertex(pos,cov,1.,1);
891 vertexer.SetVtxStart(initVertex);
893 if(!constr) vertexer.SetConstraintOff();
895 // use only ITS-TPC or only ITS-SA tracks
896 if(fOnlyITSTPCTracks || fOnlyITSSATracks || mode>0) {
898 Int_t *skip = new Int_t[evt->GetNumberOfTracks()];
899 for(Int_t itr=0;itr<evt->GetNumberOfTracks(); itr++) {
900 skip[itr]=-1; // this is only to initialize all the elements
901 AliESDtrack* track = evt->GetTrack(itr);
902 if(fOnlyITSTPCTracks && track->GetNcls(1)==0) { // skip ITSSA
906 if(fOnlyITSSATracks && track->GetNcls(1)>0) { // skip ITSTPC
910 if(mode==1 && itr%2==0) skip[iskip++]=itr;
911 if(mode==2 && itr%2==1) skip[iskip++]=itr;
913 vertexer.SetSkipTracks(iskip,skip);
914 delete [] skip; skip=NULL;
917 return vertexer.FindPrimaryVertex(evt);