1 // **************************************
2 // Task used for the correction of determiantion of reconstructed jet spectra
3 // Compares input (gen) and output (rec) jets
4 // *******************************************
7 /**************************************************************************
8 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
10 * Author: The ALICE Off-line Project. *
11 * Contributors are mentioned in the code where appropriate. *
13 * Permission to use, copy, modify and distribute this software and its *
14 * documentation strictly for non-commercial purposes is hereby granted *
15 * without fee, provided that the above copyright notice appears in all *
16 * copies and that both the copyright notice and this permission notice *
17 * appear in the supporting documentation. The authors make no claims *
18 * about the suitability of this software for any purpose. It is *
19 * provided "as is" without express or implied warranty. *
20 **************************************************************************/
27 #include <TInterpreter.h>
36 #include <TLorentzVector.h>
37 #include <TClonesArray.h>
38 #include "TDatabasePDG.h"
40 #include "AliAnalysisTaskJetServices.h"
41 #include "AliAnalysisDataContainer.h"
42 #include "AliAnalysisDataSlot.h"
43 #include "AliAnalysisManager.h"
44 #include "AliJetFinder.h"
45 #include "AliJetHeader.h"
46 #include "AliJetReader.h"
47 #include "AliJetReaderHeader.h"
48 #include "AliUA1JetHeaderV1.h"
49 #include "AliESDEvent.h"
50 #include "AliAODEvent.h"
51 #include "AliAODHandler.h"
52 #include "AliAODTrack.h"
53 #include "AliAODJet.h"
54 #include "AliAODMCParticle.h"
55 #include "AliMCEventHandler.h"
56 #include "AliMCEvent.h"
58 #include "AliGenPythiaEventHeader.h"
59 #include "AliJetKineReaderHeader.h"
60 #include "AliGenCocktailEventHeader.h"
61 #include "AliInputEventHandler.h"
62 #include "AliPhysicsSelection.h"
63 #include "AliTriggerAnalysis.h"
65 #include "AliAnalysisHelperJetTasks.h"
67 ClassImp(AliAnalysisTaskJetServices)
69 AliAnalysisTaskJetServices::AliAnalysisTaskJetServices(): AliAnalysisTaskSE(),
71 fUsePhysicsSelection(kFALSE),
83 fMaxCosmicAngle(0.01),
88 fh1SelectionInfoESD(0x0),
89 fh1EventCutInfoESD(0),
91 fh2ESDTriggerCount(0x0),
93 fh2ESDTriggerVtx(0x0),
94 fh2ESDTriggerRun(0x0),
96 fh1NCosmicsPerEvent(0x0),
97 fTriggerAnalysis(0x0),
100 fRunRange[0] = fRunRange[1] = 0;
103 AliAnalysisTaskJetServices::AliAnalysisTaskJetServices(const char* name):
104 AliAnalysisTaskSE(name),
105 fUseAODInput(kFALSE),
106 fUsePhysicsSelection(kFALSE),
108 fSelectionInfoESD(0),
118 fMaxCosmicAngle(0.01),
122 fh1PtHardTrials(0x0),
123 fh1SelectionInfoESD(0x0),
124 fh1EventCutInfoESD(0),
125 fh2TriggerCount(0x0),
126 fh2ESDTriggerCount(0x0),
128 fh2ESDTriggerVtx(0x0),
129 fh2ESDTriggerRun(0x0),
131 fh1NCosmicsPerEvent(0x0),
132 fTriggerAnalysis(0x0),
135 fRunRange[0] = fRunRange[1] = 0;
136 DefineOutput(1,TList::Class());
141 Bool_t AliAnalysisTaskJetServices::Notify()
144 // Implemented Notify() to read the cross sections
145 // and number of trials from pyxsec.root
148 TTree *tree = AliAnalysisManager::GetAnalysisManager()->GetTree();
149 Float_t xsection = 0;
154 TFile *curfile = tree->GetCurrentFile();
156 Error("Notify","No current file");
159 if(!fh1Xsec||!fh1Trials){
160 Printf("%s%d No Histogram fh1Xsec",(char*)__FILE__,__LINE__);
163 AliAnalysisHelperJetTasks::PythiaInfoFromFile(curfile->GetName(),xsection,ftrials);
164 fh1Xsec->Fill("<#sigma>",xsection);
165 // construct a poor man average trials
166 Float_t nEntries = (Float_t)tree->GetTree()->GetEntries();
167 if(ftrials>=nEntries && nEntries>0.)fAvgTrials = ftrials/nEntries;
172 void AliAnalysisTaskJetServices::UserCreateOutputObjects()
176 // Create the output container
180 if (fDebug > 1) printf("AnalysisTaskJetServices::UserCreateOutputObjects() \n");
183 if(!fHistList)fHistList = new TList();
185 Bool_t oldStatus = TH1::AddDirectoryStatus();
186 TH1::AddDirectory(kFALSE);
187 fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1);
188 fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>");
189 fHistList->Add(fh1Xsec);
191 fh1Trials = new TH1F("fh1Trials","trials root file",1,0,1);
192 fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}");
193 fHistList->Add(fh1Trials);
195 const Int_t nBinPt = 100;
196 Double_t binLimitsPt[nBinPt+1];
197 for(Int_t iPt = 0;iPt <= nBinPt;iPt++){
199 binLimitsPt[iPt] = 0.0;
202 binLimitsPt[iPt] = binLimitsPt[iPt-1] + 2.5;
206 fh2TriggerCount = new TH2F("fh2TriggerCount",";Trigger No.;constrained;Count",AliAnalysisHelperJetTasks::kTrigger,-0.5,AliAnalysisHelperJetTasks::kTrigger-0.5,kConstraints,-0.5,kConstraints-0.5);
207 fHistList->Add(fh2TriggerCount);
209 fh2ESDTriggerCount = new TH2F("fh2ESDTriggerCount",";Trigger No.;constrained;Count",AliAnalysisHelperJetTasks::kTrigger,-0.5,AliAnalysisHelperJetTasks::kTrigger-0.5,kConstraints,-0.5,kConstraints-0.5);
210 fHistList->Add(fh2ESDTriggerCount);
211 const Int_t nBins = AliAnalysisHelperJetTasks::kTrigger*kConstraints;
212 fh2TriggerVtx = new TH2F("fh2TriggerVtx",";Constraint No. * (trig no+1);Vtx (cm);Count",nBins,-0.5,nBins-0.5,400,-20.,20.);
213 fHistList->Add(fh2TriggerVtx);
215 fh2ESDTriggerVtx = new TH2F("fh2ESDTriggerVtx",";Constraint No.* (trg no+1);Vtx (cm);Count",nBins,-0.5,nBins-0.5,400,-20.,20.);
216 fHistList->Add(fh2ESDTriggerVtx);
219 fh1PtHard = new TH1F("fh1PtHard","PYTHIA Pt hard;p_{T,hard}",nBinPt,binLimitsPt);
220 fHistList->Add(fh1PtHard);
221 fh1PtHardTrials = new TH1F("fh1PtHardTrials","PYTHIA Pt hard weight with trials;p_{T,hard}",nBinPt,binLimitsPt);
222 fHistList->Add(fh1PtHardTrials);
223 fh1SelectionInfoESD = new TH1F("fh1SelectionInfoESD","Bit Masks that satisfy the selection info",
224 AliAnalysisHelperJetTasks::kTotalSelections,0.5,AliAnalysisHelperJetTasks::kTotalSelections+0.5);
225 fHistList->Add(fh1SelectionInfoESD);
227 fh1EventCutInfoESD = new TH1F("fh1EventCutInfoESD","Bit Masks that for the events after each step of cuts",
228 kTotalEventCuts,0.5,kTotalEventCuts+0.5);
229 fHistList->Add(fh1EventCutInfoESD);
231 // 3 decisions, 0 trigger X, X + SPD vertex, X + SPD vertex in range
232 // 3 triggers BB BE/EB EE
234 fh2ESDTriggerRun = new TH2F("fh2ESDTriggerRun","Trigger vs run number:run;trigger",(Int_t)(1+fRunRange[1]-fRunRange[0]),fRunRange[0]-0.5,fRunRange[1]+0.5,10,-0.5,9.5);
235 fHistList->Add(fh2ESDTriggerRun);
237 fh2VtxXY = new TH2F("fh2VtxXY","Beam Spot all INT triggered events;x (cm);y (cm)",160,-10,10,160,-10,10);
238 fHistList->Add(fh2VtxXY);
239 // =========== Switch on Sumw2 for all histos ===========
240 for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
241 TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
246 THnSparse *hn = dynamic_cast<THnSparse*>(fHistList->At(i));
250 fh1NCosmicsPerEvent = new TH1F("fh1NCosmicsPerEvent","Number of cosmic candidates per event",10,0.,10.);
251 fHistList->Add(fh1NCosmicsPerEvent),
254 TH1::AddDirectory(oldStatus);
257 void AliAnalysisTaskJetServices::Init()
262 if (fDebug > 1) printf("AnalysisTaskJetServices::Init() \n");
266 void AliAnalysisTaskJetServices::UserExec(Option_t */*option*/)
270 // Execute analysis for current event
273 AliAODEvent *aod = 0;
274 AliESDEvent *esd = 0;
276 AliAnalysisHelperJetTasks::Selected(kTRUE,kFALSE); // set slection to false
277 fSelectionInfoESD = 0; // reset
278 fEventCutInfoESD = 0; // reset
279 AliAnalysisHelperJetTasks::SelectInfo(kTRUE,fSelectionInfoESD); // set slection to false
283 aod = dynamic_cast<AliAODEvent*>(InputEvent());
285 Printf("%s:%d AODEvent not found in Input Manager %d",(char*)__FILE__,__LINE__,fUseAODInput);
291 // assume that the AOD is in the general output...
294 Printf("%s:%d AODEvent not found in the Output",(char*)__FILE__,__LINE__);
297 esd = dynamic_cast<AliESDEvent*>(InputEvent());
300 fSelectionInfoESD |= kNoEventCut;
301 fEventCutInfoESD |= kNoEventCut;
303 Bool_t esdVtxValid = false;
304 Bool_t esdVtxIn = false;
305 Bool_t aodVtxValid = false;
306 Bool_t aodVtxIn = false;
310 if(!fTriggerAnalysis){
311 fTriggerAnalysis = new AliTriggerAnalysis;
312 fTriggerAnalysis->SetAnalyzeMC(fMC);
313 fTriggerAnalysis->SetSPDGFOThreshhold(1);
315 // fTriggerAnalysis->FillTriggerClasses(esd);
316 Bool_t v0A = fTriggerAnalysis->IsOfflineTriggerFired(esd, AliTriggerAnalysis::kV0A);
317 Bool_t v0C = fTriggerAnalysis->IsOfflineTriggerFired(esd, AliTriggerAnalysis::kV0C);
318 Bool_t v0ABG = fTriggerAnalysis->IsOfflineTriggerFired(esd, AliTriggerAnalysis::kV0ABG);
319 Bool_t v0CBG = fTriggerAnalysis->IsOfflineTriggerFired(esd, AliTriggerAnalysis::kV0CBG);
320 Bool_t spdFO = fTriggerAnalysis->SPDFiredChips(esd, 0);;
321 if(v0A)fSelectionInfoESD |= AliAnalysisHelperJetTasks::kV0A;
322 if(v0C)fSelectionInfoESD |= AliAnalysisHelperJetTasks::kV0C;
323 if(!(v0ABG||v0CBG))fSelectionInfoESD |= AliAnalysisHelperJetTasks::kNoV0BG;
324 if(spdFO)fSelectionInfoESD |= AliAnalysisHelperJetTasks::kSPDFO;
326 Float_t run = (Float_t)esd->GetRunNumber();
327 const AliESDVertex *vtxESD = esd->GetPrimaryVertex();
329 esdVtxIn = IsVertexIn(vtxESD);
335 zvtx = vtxESD->GetZ();
336 yvtx = vtxESD->GetY();
337 xvtx = vtxESD->GetX();
340 // CKB this can be cleaned up a bit...
343 if(esd->GetFiredTriggerClasses().Contains("CINT1B")
344 ||esd->GetFiredTriggerClasses().Contains("CSMBB")
345 ||esd->GetFiredTriggerClasses().Contains("MB1")
346 ||esd->GetFiredTriggerClasses().Contains("CINT6B")){
348 fSelectionInfoESD |= AliAnalysisHelperJetTasks::kBunchBunch;
350 else if(esd->GetFiredTriggerClasses().Contains("CINT1A")
351 ||esd->GetFiredTriggerClasses().Contains("CSMBA")
352 ||esd->GetFiredTriggerClasses().Contains("CINT6A")
353 ||esd->GetFiredTriggerClasses().Contains("CINT1C")
354 ||esd->GetFiredTriggerClasses().Contains("CSMBC")
355 ||esd->GetFiredTriggerClasses().Contains("CINT6C")){
356 // empty bunch or bunch empty
358 fSelectionInfoESD |= AliAnalysisHelperJetTasks::kBunchEmpty;
360 else if(esd->GetFiredTriggerClasses().Contains("CINT1-E")
361 ||esd->GetFiredTriggerClasses().Contains("CINT6-E")){
363 fSelectionInfoESD |= AliAnalysisHelperJetTasks::kEmptyEmpty;
369 fh2ESDTriggerRun->Fill(run,iTrig+1);
370 if(vtxESD->GetNContributors()>2){
371 fh2ESDTriggerRun->Fill(run,iTrig+2);
372 fh2VtxXY->Fill(xvtx,yvtx);
377 Float_t r2 = xvtx *xvtx + yvtx *yvtx;
378 if(TMath::Abs(zvtx)<fVtxZCut&&r2<(fVtxRCut*fVtxRCut))fh2ESDTriggerRun->Fill(run,iTrig+3);
381 fh2ESDTriggerRun->Fill(run,0);
387 // Apply additional constraints
388 Bool_t esdEventSelected = IsEventSelected(esd);
389 Bool_t esdEventPileUp = IsEventPileUp(esd);
390 Bool_t esdEventCosmic = IsEventCosmic(esd);
392 Bool_t aodEventSelected = IsEventSelected(aod);
394 Bool_t physicsSelection = ((fInputHandler->IsEventSelected())&AliVEvent::kMB);
395 fEventCutInfoESD |= kPhysicsSelectionCut; // other alreay set via IsEventSelected
396 fh1EventCutInfoESD->Fill(fEventCutInfoESD);
398 if(esdEventSelected) fSelectionInfoESD |= AliAnalysisHelperJetTasks::kVertexIn;
399 if(esdEventPileUp) fSelectionInfoESD |= AliAnalysisHelperJetTasks::kIsPileUp;
400 if(esdEventCosmic) fSelectionInfoESD |= AliAnalysisHelperJetTasks::kIsCosmic;
401 if(physicsSelection) fSelectionInfoESD |= AliAnalysisHelperJetTasks::kPhysicsSelection;
404 // here we have all selection information, fill histogram
405 for(unsigned int i = 1;i<(UInt_t)fh1SelectionInfoESD->GetNbinsX();i++){
406 if((i&fSelectionInfoESD)==i)fh1SelectionInfoESD->Fill(i);
408 AliAnalysisHelperJetTasks::SelectInfo(kTRUE,fSelectionInfoESD);
410 if(esd&&aod&&fDebug){
411 if(esdEventSelected&&!aodEventSelected){
412 Printf("%s:%d Different Selection for ESD and AOD",(char*)__FILE__,__LINE__);
413 const AliESDVertex *vtxESD = esd->GetPrimaryVertex();
414 const AliAODVertex *vtxAOD = aod->GetPrimaryVertex();
415 Printf("ESD Vtx %s %s %d",vtxESD->GetName(),vtxESD->GetTitle(),vtxESD->GetNContributors());
417 Printf("AOD Vtx %s %s %d",vtxAOD->GetName(),vtxAOD->GetTitle(),vtxAOD->GetNContributors());
422 // loop over all possible triggers for esd
425 const AliESDVertex *vtxESD = esd->GetPrimaryVertex();
426 // Printf(">> ESDvtx %s %s",vtxESD->GetName(),vtxESD->GetTitle());vtxESD->Print();
427 TString vtxName(vtxESD->GetName());
428 Float_t zvtx = vtxESD->GetZ();
429 for(int it = AliAnalysisHelperJetTasks::kAcceptAll;it < AliAnalysisHelperJetTasks::kTrigger;it++){
430 Bool_t esdTrig = kFALSE;
431 esdTrig = AliAnalysisHelperJetTasks::IsTriggerFired(esd,(AliAnalysisHelperJetTasks::Trigger)it);
432 if(esdTrig)fh2ESDTriggerCount->Fill(it,kAllTriggered);
433 Bool_t cand = physicsSelection;
435 fh2ESDTriggerCount->Fill(it,kSelectedALICE);
436 fh2ESDTriggerVtx->Fill(kSelectedALICE*(it+1),zvtx);
438 if(!fUsePhysicsSelection)cand = AliAnalysisHelperJetTasks::IsTriggerFired(esd,AliAnalysisHelperJetTasks::kMB1);
439 if(vtxESD->GetNContributors()>2&&!vtxName.Contains("TPCVertex")){
441 fh2ESDTriggerCount->Fill(it,kTriggeredVertex);
442 fh2ESDTriggerVtx->Fill(kTriggeredVertex*(it+1),zvtx);
444 if(esdEventSelected&&esdTrig){
445 fh2ESDTriggerCount->Fill(it,kTriggeredVertexIn);
446 fh2ESDTriggerVtx->Fill(kTriggeredVertexIn*(it+1),zvtx);
449 fh2ESDTriggerCount->Fill(it,kSelectedALICEVertexValid);
450 fh2ESDTriggerVtx->Fill(kSelectedALICEVertexValid*(it+1),zvtx);
453 if(cand&&esdEventSelected){
454 fh2ESDTriggerCount->Fill(it,kSelectedALICEVertexIn);
455 fh2ESDTriggerVtx->Fill(kSelectedALICEVertexIn*(it+1),zvtx);
456 fh2ESDTriggerVtx->Fill(kSelected*(it+1),zvtx);
457 fh2ESDTriggerCount->Fill(it,kSelected);
458 AliAnalysisHelperJetTasks::Selected(kTRUE,kTRUE);// select this event
464 const AliAODVertex *vtxAOD = aod->GetPrimaryVertex();
465 aodVtxValid = IsVertexValid(vtxAOD);
466 aodVtxIn = IsVertexIn(vtxAOD);
468 for(int it = AliAnalysisHelperJetTasks::kAcceptAll;it < AliAnalysisHelperJetTasks::kTrigger;it++){
469 Bool_t aodTrig = kFALSE;
470 aodTrig = AliAnalysisHelperJetTasks::IsTriggerFired(aod,(AliAnalysisHelperJetTasks::Trigger)it);
471 Bool_t cand = aod->GetHeader()->GetOfflineTrigger()&AliVEvent::kMB;
472 if(aodTrig)fh2TriggerCount->Fill(it,kAllTriggered);
474 Float_t zvtx = vtxAOD->GetZ();
476 fh2TriggerCount->Fill(it,kTriggeredVertex);
477 fh2TriggerVtx->Fill(kTriggeredVertex*(it+1),zvtx);
479 if(cand&&aodEventSelected){
480 fh2TriggerCount->Fill(it,kSelected);
482 if(aodTrig&&aodEventSelected){
483 fh2TriggerVtx->Fill(kTriggeredVertexIn*(it+1),zvtx);
484 fh2TriggerCount->Fill(it,kTriggeredVertexIn);
487 fh2TriggerCount->Fill(it,kSelectedALICEVertexValid);
488 fh2TriggerVtx->Fill(kSelectedALICEVertexValid*(it+1),zvtx);
489 if(aodEventSelected){
490 fh2TriggerCount->Fill(it,kSelectedALICEVertexIn);
491 fh2TriggerVtx->Fill(kSelectedALICEVertexIn*(it+1),zvtx);
498 if (fDebug > 1)printf(" AliAnalysisTaskJetServices: Analysing event # %5d\n", (Int_t) fEntry);
502 Double_t nTrials = 1; // Trials for MC trigger
504 fh1Trials->Fill("#sum{ntrials}",fAvgTrials);
505 AliMCEvent* mcEvent = MCEvent();
506 // AliStack *pStack = 0;
508 AliGenPythiaEventHeader* pythiaGenHeader = AliAnalysisHelperJetTasks::GetPythiaEventHeader(mcEvent);
510 nTrials = pythiaGenHeader->Trials();
511 ptHard = pythiaGenHeader->GetPtHard();
512 int iProcessType = pythiaGenHeader->ProcessType();
514 // 12 f+barf -> f+barf
519 if (fDebug > 10)Printf("%d iProcessType %d",__LINE__, iProcessType);
520 if(fDebug>20)AliAnalysisHelperJetTasks::PrintStack(mcEvent);
521 fh1PtHard->Fill(ptHard);
522 fh1PtHardTrials->Fill(ptHard,nTrials);
524 }// if pythia gen header
530 PostData(1, fHistList);
533 Bool_t AliAnalysisTaskJetServices::IsEventSelected(const AliESDEvent* esd){
534 if(!esd)return kFALSE;
535 const AliESDVertex *vtx = esd->GetPrimaryVertex();
536 return IsVertexIn(vtx); // vertex in calls vertex valid
540 Bool_t AliAnalysisTaskJetServices::IsEventSelected(const AliAODEvent* aod) const {
541 if(!aod)return kFALSE;
542 const AliAODVertex *vtx = aod->GetPrimaryVertex();
543 return IsVertexIn(vtx); // VertexIn calls VertexValid
546 Bool_t AliAnalysisTaskJetServices::IsVertexValid ( const AliESDVertex* vtx) {
548 // We can check the type of the vertex by its name and title
549 // if vertexer failed title is empty (default c'tor) and ncontributors is 0
551 // Tracks PrimaryVertex VertexerTracksNoConstraint
552 // Tracks PrimaryVertex VertexerTracksWithConstraint
553 // TPC TPCVertex VertexerTracksNoConstraint
554 // TPC TPCVertex VertexerTracksWithConstraint
555 // SPD SPDVertex vertexer: 3D
556 // SPD SPDVertex vertexer: Z
558 Int_t nCont = vtx->GetNContributors();
561 fEventCutInfoESD |= kContributorsCut1;
563 fEventCutInfoESD |= kContributorsCut2;
565 fEventCutInfoESD |= kContributorsCut3;
570 if(nCont<3)return kFALSE;
572 // do not want tpc only primary vertex
573 TString vtxName(vtx->GetName());
574 if(vtxName.Contains("TPCVertex")){
575 fEventCutInfoESD |= kVertexTPC;
578 if(vtxName.Contains("SPDVertex"))fEventCutInfoESD |= kVertexSPD;
579 if(vtxName.Contains("PrimaryVertex"))fEventCutInfoESD |= kVertexGlobal;
582 TString vtxTitle(vtx->GetTitle());
583 if(vtxTitle.Contains("vertexer: Z")){
584 if(vtx->GetDispersion()>0.02)return kFALSE;
586 fEventCutInfoESD |= kSPDDispersionCut;
591 Bool_t AliAnalysisTaskJetServices::IsVertexValid ( const AliAODVertex* vtx) const {
593 // We can check the type of the vertex by its name and title
594 // if vertexer failed title is empty (default c'tor) and ncontributors is 0
596 // Tracks PrimaryVertex VertexerTracksNoConstraint
597 // TPC TPCVertex VertexerTracksNoConstraint
598 // SPD SPDVertex vertexer: 3D
599 // SPD SPDVertex vertexer: Z
601 if(vtx->GetNContributors()<3)return kFALSE;
602 // do not want tpc only primary vertex
603 TString vtxName(vtx->GetName());
604 if(vtxName.Contains("TPCVertex"))return kFALSE;
606 // no dispersion yet...
608 TString vtxTitle(vtx->GetTitle());
609 if(vtxTitle.Contains("vertexer: Z")){
610 if(vtx->GetDispersion()>0.02)return kFALSE;
617 Bool_t AliAnalysisTaskJetServices::IsVertexIn (const AliESDVertex* vtx) {
619 if(!IsVertexValid(vtx))return kFALSE;
621 Float_t zvtx = vtx->GetZ();
622 Float_t yvtx = vtx->GetY();
623 Float_t xvtx = vtx->GetX();
631 if(TMath::Abs(zvtx)>fVtxZCut){
634 fEventCutInfoESD |= kVertexZCut;
635 Float_t r2 = yvtx*yvtx+xvtx*xvtx;
636 if(r2>(fVtxRCut*fVtxRCut)){
639 fEventCutInfoESD |= kVertexRCut;
644 Bool_t AliAnalysisTaskJetServices::IsVertexIn (const AliAODVertex* vtx) const {
646 if(!IsVertexValid(vtx))return kFALSE;
648 Float_t zvtx = vtx->GetZ();
649 Float_t yvtx = vtx->GetY();
650 Float_t xvtx = vtx->GetX();
656 Float_t r2 = yvtx*yvtx+xvtx*xvtx;
658 Bool_t vertexIn = TMath::Abs(zvtx)<fVtxZCut&&r2<(fVtxRCut*fVtxRCut);
662 Bool_t AliAnalysisTaskJetServices::IsEventPileUp(const AliESDEvent* esd) const{
663 if(!esd)return kFALSE;
664 return esd->IsPileupFromSPD();
667 Bool_t AliAnalysisTaskJetServices::IsEventCosmic(const AliESDEvent* esd) const {
668 if(!esd)return kFALSE;
669 // add track cuts for which we look for cosmics...
671 Bool_t isCosmic = kFALSE;
672 Int_t nTracks = esd->GetNumberOfTracks();
673 Int_t nCosmicCandidates = 0;
675 for (Int_t iTrack1 = 0; iTrack1 < nTracks; iTrack1++) {
676 AliESDtrack* track1 = (AliESDtrack*)esd->GetTrack(iTrack1);
677 if (!track1) continue;
678 UInt_t status1 = track1->GetStatus();
679 //If track is ITS stand alone track, skip the track
680 if (((status1 & AliESDtrack::kITSin) == 0 || (status1 & AliESDtrack::kTPCin))) continue;
681 if(track1->Pt()<fPtMinCosmic) continue;
682 //Start 2nd track loop to look for correlations
683 for (Int_t iTrack2 = iTrack1+1; iTrack2 < nTracks; iTrack2++) {
684 AliESDtrack* track2 = (AliESDtrack*)esd->GetTrack(iTrack2);
685 if(!track2) continue;
686 UInt_t status2 = track2->GetStatus();
687 //If track is ITS stand alone track, skip the track
688 if (((status2 & AliESDtrack::kITSin) == 0 || (status2 & AliESDtrack::kTPCin))) continue;
689 if(track2->Pt()<fPtMinCosmic) continue;
690 //Check if back-to-back
691 Double_t mom1[3],mom2[3];
692 track1->GetPxPyPz(mom1);
693 track2->GetPxPyPz(mom2);
694 TVector3 momv1(mom1[0],mom1[1],mom1[2]);
695 TVector3 momv2(mom2[0],mom2[1],mom2[2]);
696 Float_t theta = (float)(momv1.Phi()-momv2.Phi());
697 if(theta<-0.5*TMath::Pi()) theta+=2.*TMath::Pi();
699 Float_t deltaPhi = track1->Phi()-track2->Phi();
700 if(deltaPhi<-0.5*TMath::Pi()) deltaPhi+=2.*TMath::Pi();
702 Float_t rIsol = (float)(TMath::Sqrt( deltaPhi*deltaPhi+(track1->Eta()-track2->Eta())*(track1->Eta()-track2->Eta()) ));
703 if(rIsol<fRIsolMinCosmic) continue;
705 if(TMath::Abs(TMath::Pi()-theta)<fMaxCosmicAngle) {
706 nCosmicCandidates+=1;
713 fh1NCosmicsPerEvent->Fill((float)nCosmicCandidates);
721 void AliAnalysisTaskJetServices::Terminate(Option_t */*option*/)
723 // Terminate analysis