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 **************************************************************************/
29 #include <TLorentzVector.h>
35 #include "AliAnalysisTaskUE.h"
36 #include "AliAnalysisManager.h"
37 #include "AliMCEventHandler.h"
38 #include "AliMCEvent.h"
39 #include "AliAODEvent.h"
40 #include "AliAODInputHandler.h"
41 #include "AliAODHandler.h"
43 #include "AliAODJet.h"
44 #include "AliAODTrack.h"
45 #include "AliAODMCParticle.h"
46 #include "AliKFVertex.h"
48 #include "AliGenPythiaEventHeader.h"
49 #include "AliAnalysisHelperJetTasks.h"
50 #include "AliInputEventHandler.h"
54 //__________________________________________________________________
55 // Analysis class for Underlying Event studies
57 // Look for correlations on the tranverse regions to
58 // the leading charged jet
60 // This class needs as input AOD with track and Jets.
61 // The output is a list of histograms
63 // AOD can be either connected to the InputEventHandler
64 // for a chain of AOD files
66 // to the OutputEventHandler
67 // for a chain of ESD files, so this case class should be
68 // in the train after the Jet finder
70 // Arian.Abrahantes.Quintana@cern.ch
71 // Ernesto.Lopez.Torres@cern.ch
75 ClassImp( AliAnalysisTaskUE)
77 ////////////////////////////////////////////////////////////////////////
80 //____________________________________________________________________
81 AliAnalysisTaskUE:: AliAnalysisTaskUE(const char* name):
82 AliAnalysisTask(name,""),
94 fMaxJetPtInHist(300.),
96 fUseMCParticleBranch(kFALSE),
97 fConstrainDistance(kTRUE),
99 fSimulateChJetPt(kFALSE),
101 fnTracksVertex(3), // QA tracks pointing to principal vertex (= 3 default)
107 fAreaReg(1.5393), // Pi*0.7*0.7
108 fUseChPartJet(kFALSE),
109 fUseChPartMaxPt(kFALSE),
110 fUseChargeHadrons(kFALSE),
111 fUseSingleCharge(kFALSE),
112 fUsePositiveCharge(kTRUE),
118 fJet2DeltaPhiCut(2.616), // 150 degrees
119 fJet2RatioPtCut(0.8),
127 fhRegionMultMin(0x0),
130 fhMinRegMaxPtPart(0x0),
131 fhMinRegSumPtvsMult(0x0),
132 fhdNdEtaPhiDist(0x0),
133 fhFullRegPartPtDistVsEt(0x0),
134 fhTransRegPartPtDistVsEt(0x0),
135 fhRegionSumPtMaxVsEt(0x0),
136 fhRegionMultMax(0x0),
137 fhRegionMultMaxVsEt(0x0),
138 fhRegionSumPtMinVsEt(0x0), //fhRegionMultMin(0x0),
139 fhRegionMultMinVsEt(0x0),
140 fhRegionAveSumPtVsEt(0x0),
141 fhRegionDiffSumPtVsEt(0x0),
142 fhRegionAvePartPtMaxVsEt(0x0),
143 fhRegionAvePartPtMinVsEt(0x0),
144 fhRegionMaxPartPtMaxVsEt(0x0),
145 //fhRegForwardSumPtVsEt(0x0),
146 //fhRegForwardMultVsEt(0x0),
147 //fhRegBackwardSumPtVsEt(0x0),
148 //fhRegBackwardMultVsEt(0x0),
149 fhRegForwardMult(0x0),
150 fhRegForwardSumPtvsMult(0x0),
151 fhRegBackwardMult(0x0),
152 fhRegBackwardSumPtvsMult(0x0),
153 fhRegForwardPartPtDistVsEt(0x0),
154 fhRegBackwardPartPtDistVsEt(0x0),
156 fhRegTransSumPtVsMult(0x0),
157 fhMinRegSumPtJetPtBin(0x0),
158 fhMaxRegSumPtJetPtBin(0x0),
162 fSettingsTree(0x0)//, fhValidRegion(0x0)
164 // Default constructor
165 // Define input and output slots here
166 // Input slot #0 works with a TChain
167 DefineInput(0, TChain::Class());
168 // Output slot #0 writes into a TList container
169 DefineOutput(0, TList::Class());
173 //______________________________________________________________
174 Bool_t AliAnalysisTaskUE::Notify()
177 // Implemented Notify() to read the cross sections
178 // and number of trials from pyxsec.root
179 // Copy from AliAnalysisTaskJFSystematics
181 TTree *tree = AliAnalysisManager::GetAnalysisManager()->GetTree();
182 Float_t xsection = 0;
185 TFile *curfile = tree->GetCurrentFile();
187 Error("Notify","No current file");
190 if(!fh1Xsec||!fh1Trials){
191 Printf("%s%d No Histogram fh1Xsec",(char*)__FILE__,__LINE__);
194 AliAnalysisHelperJetTasks::PythiaInfoFromFile(curfile->GetName(),xsection,ftrials);
195 fh1Xsec->Fill("<#sigma>",xsection);
197 // construct average trials
198 Float_t nEntries = (Float_t)tree->GetTree()->GetEntries();
199 if(ftrials>=nEntries && nEntries>0.)fAvgTrials = ftrials/nEntries;
205 //____________________________________________________________________
206 void AliAnalysisTaskUE::ConnectInputData(Option_t* /*option*/)
208 // Connect the input data
210 // We need AOD with tracks and jets.
211 // Since AOD can be either connected to the InputEventHandler (input chain fron AOD files)
212 // or to the OutputEventHandler ( AOD is create by a previus task in the train )
213 // we need to check where it is and get the pointer to AODEvent in the right way
215 // Delta AODs are also implemented
218 if (fDebug > 1) AliInfo("ConnectInputData() ");
220 TObject* handler = AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
222 if( handler && handler->InheritsFrom("AliAODInputHandler") ) { // input AOD
223 fAOD = ((AliAODInputHandler*)handler)->GetEvent();
224 if (fDebug > 1) AliInfo(" ==== Tracks from AliAODInputHandler");
225 // Case when jets are reconstructed on the fly from AOD tracks
226 // (the Jet Finder is using the AliJetAODReader) of InputEventHandler
227 // and put in the OutputEventHandler AOD. Useful whe you want to reconstruct jets with
228 // different parameters to default ones stored in the AOD or to use a different algorithm
230 handler = AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler();
231 if( handler && handler->InheritsFrom("AliAODHandler") ) {
232 fAODjets = ((AliAODHandler*)handler)->GetAOD();
233 if (fDebug > 1) AliInfo(" ==== Jets from AliAODHandler (on the fly)");
237 if (fDebug > 1) AliInfo(" ==== Jets from AliAODInputHandler");
239 } else { //output AOD
240 handler = AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler();
241 if( handler && handler->InheritsFrom("AliAODHandler") ) {
242 fAOD = ((AliAODHandler*)handler)->GetAOD();
244 if (fDebug > 1) AliInfo(" ==== Tracks and Jets from AliAODHandler");
246 AliFatal("I can't get any AOD Event Handler");
252 //____________________________________________________________________
253 void AliAnalysisTaskUE::CreateOutputObjects()
255 // Create the output container
257 if (fDebug > 1) AliInfo("CreateOutPutData()");
263 fListOfHistos->SetOwner(kTRUE);
264 PostData(0,fListOfHistos);
268 //____________________________________________________________________
269 void AliAnalysisTaskUE::Exec(Option_t */*option*/)
271 //Trigger selection ************************************************
272 /*AliInputEventHandler* inputHandler = (AliInputEventHandler*)
273 ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
274 if (inputHandler->IsEventSelected()) {
275 if (fDebug > 1) AliInfo(" Trigger Selection: event ACCEPTED ... ");
277 if (fDebug > 1) AliInfo(" Trigger Selection: event REJECTED ... ");
281 //Event selection (vertex) *****************************************
283 Int_t nVertex = fAOD->GetNumberOfVertices();
284 if( nVertex > 0 ) { // Only one vertex (reject pileup??)
285 AliAODVertex* vertex = (AliAODVertex*)fAOD->GetPrimaryVertex();
286 TString tpcvertex("TPCVertex");
287 if (vertex->GetName() == tpcvertex){
288 if (fDebug > 1) AliInfo(Form("Primary vertex selection: %s event REJECTED ...",vertex->GetName()));
291 Int_t nTracksPrim = vertex->GetNContributors();
292 Double_t zVertex = vertex->GetZ();
293 if (fDebug > 1) AliInfo(Form(" Vertex in = %f with %d particles by %s data ...",zVertex,nTracksPrim,vertex->GetName()));
294 // Select a quality vertex by number of tracks?
295 if( nTracksPrim < fnTracksVertex || TMath::Abs(zVertex) > fZVertex ) {
296 if (fDebug > 1) AliInfo(" Primary-vertex Selection: event REJECTED ...");
299 if (fDebug > 1) AliInfo(" Primary-vertex Selection: event ACCEPTED...");
301 if (fDebug > 1) AliInfo(" Primary-vertex Selection: event REJECTED ...");
304 /*AliKFVertex primVtx(*(fAOD->GetPrimaryVertex()));
305 Int_t nTracksPrim=primVtx.GetNContributors();
306 if (fDebug > 1) AliInfo(Form(" Primary-vertex Selection: %d",nTracksPrim));
308 if (fDebug > 1) AliInfo(" Primary-vertex Selection: event REJECTED ...");
311 if (fDebug > 1) AliInfo(" Primary-vertex Selection: event ACCEPTED ...");
313 // Execute analysis for current event
315 if ( fDebug > 3 ) AliInfo( " Processing event..." );
316 // fetch the pythia header info and get the trials
317 AliMCEventHandler* mcHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
320 AliMCEvent* mcEvent = mcHandler->MCEvent();
322 AliGenPythiaEventHeader* pythiaGenHeader = AliAnalysisHelperJetTasks::GetPythiaEventHeader(mcEvent);
324 nTrials = pythiaGenHeader->Trials();
328 fh1Trials->Fill("#sum{ntrials}",fAvgTrials);
332 PostData(0, fListOfHistos);
335 //____________________________________________________________________
336 void AliAnalysisTaskUE::AnalyseUE()
338 Double_t const kMyTolerance = 0.0000001;
340 // Look for correlations on the tranverse regions to
341 // the leading charged jet
344 // ------------------------------------------------
345 // Find Leading Jets 1,2,3
346 // (could be skipped if Jets are sort by Pt...)
347 Double_t maxPtJet1 = 0.;
349 Double_t maxPtJet2 = 0.; // jet 2 need for back to back inclusive
351 Double_t maxPtJet3 = 0.; // jet 3 need for back to back exclusive
357 if( !fUseChPartJet && fAnaType != 4 ) {
361 if (fDebug > 1) AliInfo(" ==== Jets From Delta-AODs !");
362 if (fDebug > 1) AliInfo(Form(" ==== Reading Branch: %s ",fDeltaAODBranch.Data()));
363 fArrayJets = (TClonesArray*)fAODjets->GetList()->FindObject(fDeltaAODBranch.Data());
365 if (fDebug > 1) AliInfo(" ==== Read Standard-AODs !");
366 if (fDebug > 1) AliInfo(Form(" ==== Reading Branch: %s ",fAODBranch.Data()));
367 fArrayJets = (TClonesArray*)fAODjets->GetList()->FindObject(fAODBranch.Data());
370 AliFatal(" No jet-array! ");
373 nJets=fArrayJets->GetEntries();
374 //printf("AOD %d jets \n", nJets);
376 for( Int_t i=0; i<nJets; ++i ) {
377 AliAODJet* jet = (AliAODJet*)fArrayJets->At(i);
378 Double_t jetPt = jet->Pt();//*1.666; // FIXME Jet Pt Correction ?????!!!
380 if( jetPt > maxPtJet1 ) {
381 maxPtJet3 = maxPtJet2; index3 = index2;
382 maxPtJet2 = maxPtJet1; index2 = index1;
383 maxPtJet1 = jetPt; index1 = i;
384 } else if( jetPt > maxPtJet2 ) {
385 maxPtJet3 = maxPtJet2; index3 = index2;
386 maxPtJet2 = jetPt; index2 = i;
387 } else if( jetPt > maxPtJet3 ) {
388 maxPtJet3 = jetPt; index3 = i;
393 AliAODJet *jet =(AliAODJet*) fArrayJets->At(index1);
394 if(jet)jetVect[0].SetXYZ(jet->Px(), jet->Py(), jet->Pz());
397 AliAODJet* jet= (AliAODJet*) fArrayJets->At(index2);
398 if(jet)jetVect[1].SetXYZ(jet->Px(), jet->Py(), jet->Pz());
401 AliAODJet* jet = (AliAODJet*) fArrayJets->At(index3);
402 if(jet)jetVect[2].SetXYZ(jet->Px(), jet->Py(), jet->Pz());
407 if( fUseChPartJet ) {
409 // Use "Charged Particle Jets"
410 TObjArray* jets = FindChargedParticleJets();
412 nJets = jets->GetEntriesFast();
415 AliAODJet* jet = (AliAODJet*)jets->At(0);
416 maxPtJet1 = jet->Pt();
417 jetVect[0].SetXYZ(jet->Px(), jet->Py(), jet->Pz());
421 AliAODJet* jet = (AliAODJet*)jets->At(1);
422 maxPtJet2 = jet->Pt();
423 jetVect[1].SetXYZ(jet->Px(), jet->Py(), jet->Pz());
427 AliAODJet* jet = (AliAODJet*)jets->At(2);
428 maxPtJet3 = jet->Pt();
429 jetVect[2].SetXYZ(jet->Px(), jet->Py(), jet->Pz());
434 if (fDebug > 1) AliInfo(" ==== Jets Created in OUR class !: CDF algorithm ");
439 if( fAnaType == 4 ) {
441 // Use "Max Pt Charge Particle"
442 TObjArray* tracks = SortChargedParticles();
444 nJets = tracks->GetEntriesFast();
447 AliAODTrack* jet = (AliAODTrack*)tracks->At(0);
448 maxPtJet1 = jet->Pt();
449 jetVect[0].SetXYZ(jet->Px(), jet->Py(), jet->Pz());
457 fhNJets->Fill(nJets);
461 AliInfo("\n Skipping Event, not jet found...");
464 AliInfo(Form("\n Pt Leading Jet = %6.1f eta=%5.3f ", maxPtJet1, jetVect[0].Eta() ));
468 // ----------------------------------------------
469 // Cut events by jets topology
472 // - Jet1 |eta| < fJet1EtaCut
473 // 2 = back to back inclusive
475 // - |Jet1.Phi - Jet2.Phi| > fJet2DeltaPhiCut
476 // - Jet2.Pt/Jet1Pt > fJet2RatioPtCut
477 // 3 = back to back exclusive
479 // - Jet3.Pt < fJet3PtCut
481 if( index1 < 0 || TMath::Abs(jetVect[0].Eta()) > fJet1EtaCut) {
482 if( fDebug > 1 ) AliInfo("\n Skipping Event...Jet1 |eta| > fJet1EtaCut");
485 // back to back inclusive
486 if( fAnaType > 1 && fAnaType < 4 && index2 == -1 ) {
487 if( fDebug > 1 ) AliInfo("\n Skipping Event... no second Jet found");
490 if( fAnaType > 1 && fAnaType < 4 && index2 > -1 ) {
491 if( TMath::Abs(jetVect[0].DeltaPhi(jetVect[1])) < fJet2DeltaPhiCut ||
492 maxPtJet2/maxPtJet1 < fJet2RatioPtCut ) {
493 if( fDebug > 1 ) AliInfo("\n Skipping Event... |Jet1.Phi - Jet2.Phi| < fJet2DeltaPhiCut");
497 // back to back exclusive
498 if( fAnaType > 2 && fAnaType < 4 && index3 > -1 ) {
499 if( maxPtJet3 > fJet3PtCut ) {
500 if( fDebug > 1 ) AliInfo("\n Skipping Event... Jet3.Pt > fJet3PtCut ");
505 //fhEleadingPt->Fill( maxPtJet1 );
507 // ----------------------------------------------
508 // Find max and min regions
509 Double_t sumPtRegionPosit = 0.;
510 Double_t sumPtRegionNegat = 0.;
511 Double_t sumPtRegionForward = 0;
512 Double_t sumPtRegionBackward = 0;
513 Double_t maxPartPtRegion = 0.;
514 Int_t nTrackRegionPosit = 0;
515 Int_t nTrackRegionNegat = 0;
516 Int_t nTrackRegionForward = 0;
517 Int_t nTrackRegionBackward = 0;
518 static Double_t const kPI = TMath::Pi();
519 static Double_t const kTWOPI = 2.*kPI;
520 static Double_t const k270rad = 270.*kPI/180.;
521 static Double_t const k120rad = 120.*kPI/180.;
523 //Area for Normalization Purpose at Display histos
524 // Forward and backward
525 Double_t normArea = 1.;
528 SetRegionArea(jetVect);
529 normArea = 2.*fTrackEtaCut*k120rad ;
530 } else fAreaReg = 1.;
532 if (!fUseMCParticleBranch){
533 AliAODVertex* vertex = (AliAODVertex*)fAOD->GetPrimaryVertex();
534 fhVertexMult->Fill( vertex->GetNContributors() );
536 fhEleadingPt->Fill( maxPtJet1 );
537 Int_t nTracks = fAOD->GetNTracks();
538 if (fDebug > 1) AliInfo(Form(" ==== AOD tracks = %d \n ",nTracks));
540 for (Int_t ipart=0; ipart<nTracks; ++ipart) {
542 AliAODTrack* part = fAOD->GetTrack( ipart );
543 if (fDebug > 1) AliInfo(Form(" ==== AOD track = %d pt = %f charge = %d \n ",ipart,part->Pt(),part->Charge()));
544 if ( !part->TestFilterBit(fFilterBit) ) continue; // track cut selection
545 if (!part->IsPrimaryCandidate()) continue; // reject whatever is not linked to collision point
546 // PID Selection: Reject everything but hadrons
547 Bool_t isHadron = part->GetMostProbablePID()==AliAODTrack::kPion ||
548 part->GetMostProbablePID()==AliAODTrack::kKaon ||
549 part->GetMostProbablePID()==AliAODTrack::kProton;
550 if ( fUseChargeHadrons && !isHadron ) continue;
552 if ( !part->Charge() ) continue; //Only charged
553 if ( fUseSingleCharge ) { // Charge selection
554 if ( fUsePositiveCharge && part->Charge() < 0.) continue; // keep Positives
555 if ( !fUsePositiveCharge && part->Charge() > 0.) continue; // keep Negatives
558 if ( part->Pt() < fTrackPtCut ) continue;
559 if( TMath::Abs(part->Eta()) > fTrackEtaCut ) continue;
561 TVector3 partVect(part->Px(), part->Py(), part->Pz());
562 Bool_t isFlagPart = kTRUE;
563 Double_t deltaPhi = jetVect[0].DeltaPhi(partVect)+k270rad;
564 if( deltaPhi > kTWOPI ) deltaPhi-= kTWOPI;
565 if (fAnaType != 4 ) fhdNdEtaPhiDist->Fill( deltaPhi, maxPtJet1 );
566 else if (TMath::Abs(deltaPhi-k270rad) >= kMyTolerance && TMath::Abs(jetVect[0].Eta()-partVect.Eta()) >= kMyTolerance){
567 fhdNdEtaPhiDist->Fill( deltaPhi, maxPtJet1 );
571 fhFullRegPartPtDistVsEt->Fill( part->Pt(), maxPtJet1 );
573 Int_t region = IsTrackInsideRegion( jetVect, &partVect );
576 if( maxPartPtRegion < part->Pt() ) maxPartPtRegion = part->Pt();
577 sumPtRegionPosit += part->Pt();
579 fhTransRegPartPtDistVsEt->Fill( part->Pt(), maxPtJet1 );
582 if( maxPartPtRegion < part->Pt() ) maxPartPtRegion = part->Pt();
583 sumPtRegionNegat += part->Pt();
585 fhTransRegPartPtDistVsEt->Fill( part->Pt(), maxPtJet1 );
587 if (region == 2){ //forward
588 sumPtRegionForward += part->Pt();
589 nTrackRegionForward++;
590 fhRegForwardPartPtDistVsEt->Fill( part->Pt(), maxPtJet1 );
592 if (region == -2){ //backward
593 sumPtRegionBackward += part->Pt();
594 nTrackRegionBackward++;
595 fhRegBackwardPartPtDistVsEt->Fill( part->Pt(), maxPtJet1 );
597 }//end loop AOD tracks
601 // this is the part we only use when we have MC information
602 // More than a test for values of it also resumes the reconstruction efficiency of jets
603 // As commented bellow if available for the data, we try to pair reconstructed jets with simulated ones
604 // afterwards we kept angular variables of MC jet to perform UE analysis over MC particles
605 // TODO: Handle Multiple jet environment. 06/2009 just suited for inclusive jet condition ( fAnaType = 1 )
607 AliMCEventHandler* mcHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
609 Printf("ERROR: Could not retrieve MC event handler");
613 AliMCEvent* mcEvent = mcHandler->MCEvent();
615 Printf("ERROR: Could not retrieve MC event");
618 AliGenPythiaEventHeader* pythiaGenHeader = AliAnalysisHelperJetTasks::GetPythiaEventHeader(mcEvent);
619 if(!pythiaGenHeader){
623 //Get Jets from MC header
624 Int_t nPythiaGenJets = pythiaGenHeader->NTriggerJets();
625 AliAODJet pythiaGenJets[4];
626 TVector3 jetVectnew[4];
628 for(int ip = 0;ip < nPythiaGenJets;++ip){
631 pythiaGenHeader->TriggerJet(ip,p);
632 TVector3 tempVect(p[0],p[1],p[2]);
633 if ( TMath::Abs(tempVect.Eta())>fJet1EtaCut ) continue;
634 pythiaGenJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]);
635 jetVectnew[iCount].SetXYZ(pythiaGenJets[iCount].Px(), pythiaGenJets[iCount].Py(), pythiaGenJets[iCount].Pz());
639 if (!iCount) return;// no jet in eta acceptance
641 //Search the index of the nearest MC jet to the leading jet reconstructed from the input data
643 if (fConstrainDistance){
646 for (Int_t i=0; i<iCount; i++){
648 dRTemp = jetVectnew[i].DeltaR(jetVect[0]);
651 deltaR = jetVectnew[i].DeltaR(jetVect[0]);
652 if (deltaR < dRTemp){
658 if (jetVectnew[index].DeltaR(jetVect[0]) > fMinDistance) return;
660 //Let's add some taste to jet and simulate pt of charged alone
661 //eta and phi are kept as original
662 //Play a Normal Distribution
664 if (fSimulateChJetPt){
666 random = gRandom->Gaus(0.6,0.25);
667 if (random > 0. && random < 1. &&
668 (random * jetVectnew[index].Pt()>6.)) break;
672 //Set new Pt & Fill histogram accordingly
673 maxPtJet1 = random * jetVectnew[index].Pt();
676 fhEleadingPt->Fill( maxPtJet1 );
678 if (fUseAliStack){//Try Stack Information to perform UE analysis
680 AliStack* mcStack = mcEvent->Stack();//Load Stack
681 Int_t nTracksMC = mcStack->GetNtrack();
682 for (Int_t iTracks = 0; iTracks < nTracksMC; iTracks++) {
684 if(!(mcStack->IsPhysicalPrimary(iTracks))) continue;
686 TParticle* mctrk = mcStack->Particle(iTracks);
688 Double_t charge = mctrk->GetPDG()->Charge();
689 if (charge == 0) continue;
691 if ( fUseSingleCharge ) { // Charge selection
692 if ( fUsePositiveCharge && charge < 0.) continue; // keep Positives
693 if ( !fUsePositiveCharge && charge > 0.) continue; // keep Negatives
696 //Kinematics cuts on particle
697 if ((mctrk->Pt() < fTrackPtCut) || (TMath::Abs(mctrk->Eta()) > fTrackEtaCut )) continue;
699 Bool_t isHadron = TMath::Abs(mctrk->GetPdgCode())==211 ||
700 TMath::Abs(mctrk->GetPdgCode())==2212 ||
701 TMath::Abs(mctrk->GetPdgCode())==321;
703 if ( fUseChargeHadrons && !isHadron ) continue;
705 TVector3 partVect(mctrk->Px(), mctrk->Py(), mctrk->Pz());
707 Double_t deltaPhi = jetVectnew[index].DeltaPhi(partVect)+k270rad;
708 if( deltaPhi > 2.*TMath::Pi() ) deltaPhi-= 2.*TMath::Pi();
709 fhdNdEtaPhiDist->Fill( deltaPhi, maxPtJet1 );
711 fhFullRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 );
713 //We are not interested on stack organization but don't loose track of info
714 TVector3 tempVector = jetVectnew[0];
715 jetVectnew[0] = jetVectnew[index];
716 jetVectnew[index] = tempVector;
718 Int_t region = IsTrackInsideRegion( jetVectnew, &partVect );
721 if( maxPartPtRegion < mctrk->Pt() ) maxPartPtRegion = mctrk->Pt();
722 sumPtRegionPosit += mctrk->Pt();
724 fhTransRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 );
727 if( maxPartPtRegion < mctrk->Pt() ) maxPartPtRegion = mctrk->Pt();
728 sumPtRegionNegat += mctrk->Pt();
730 fhTransRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 );
732 if (region == 2){ //forward
733 sumPtRegionForward += mctrk->Pt();
734 nTrackRegionForward++;
735 fhRegForwardPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 );
737 if (region == -2){ //backward
738 sumPtRegionBackward += mctrk->Pt();
739 nTrackRegionBackward++;
740 fhRegBackwardPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 );
743 } // end loop stack Particles
745 }else{//Try mc Particle
747 TClonesArray* farray = (TClonesArray*)fAOD->FindListObject("mcparticles");
749 Int_t ntrks = farray->GetEntries();
750 if (fDebug>1) AliInfo(Form("In UE MC analysis tracks %d \n",ntrks));
751 for(Int_t i =0 ; i < ntrks; i++){
752 AliAODMCParticle* mctrk = (AliAODMCParticle*)farray->At(i);
754 if (!(mctrk->IsPhysicalPrimary())) continue;
755 //if (!(mctrk->IsPrimary())) continue;
757 if (mctrk->Charge() == 0 || mctrk->Charge()==-99) continue;
759 if (mctrk->Pt() < fTrackPtCut ) continue;
760 if( TMath::Abs(mctrk->Eta()) > fTrackEtaCut ) continue;
762 Bool_t isHadron = TMath::Abs(mctrk->GetPdgCode())==211 ||
763 TMath::Abs(mctrk->GetPdgCode())==2212 ||
764 TMath::Abs(mctrk->GetPdgCode())==321;
766 if ( fUseChargeHadrons && !isHadron ) continue;
768 TVector3 partVect(mctrk->Px(), mctrk->Py(), mctrk->Pz());
770 Double_t deltaPhi = jetVectnew[index].DeltaPhi(partVect)+k270rad;
771 if( deltaPhi > 2.*TMath::Pi() ) deltaPhi-= 2.*TMath::Pi();
772 fhdNdEtaPhiDist->Fill( deltaPhi, maxPtJet1 );
774 fhFullRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 );
776 //We are not interested on stack organization but don't loose track of info
777 TVector3 tempVector = jetVectnew[0];
778 jetVectnew[0] = jetVectnew[index];
779 jetVectnew[index] = tempVector;
781 Int_t region = IsTrackInsideRegion( jetVectnew, &partVect );
783 if (region == 1) { //right
784 if( maxPartPtRegion < mctrk->Pt() ) maxPartPtRegion = mctrk->Pt();
785 sumPtRegionPosit += mctrk->Pt();
787 fhTransRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 );
789 if (region == -1) { //left
790 if( maxPartPtRegion < mctrk->Pt() ) maxPartPtRegion = mctrk->Pt();
791 sumPtRegionNegat += mctrk->Pt();
793 fhTransRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 );
795 if (region == 2){ //forward
796 sumPtRegionForward += mctrk->Pt();
797 nTrackRegionForward++;
798 fhRegForwardPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 );
800 if (region == -2){ //backward
801 sumPtRegionBackward += mctrk->Pt();
802 nTrackRegionBackward++;
803 fhRegBackwardPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 );
806 }//end loop AliAODMCParticle tracks
810 Double_t avePosRegion = (nTrackRegionPosit) ? sumPtRegionPosit/nTrackRegionPosit : 0.;
811 Double_t aveNegRegion = (nTrackRegionNegat) ? sumPtRegionNegat/nTrackRegionNegat : 0.;
812 if( avePosRegion > aveNegRegion ) {
813 FillAvePartPtRegion( maxPtJet1, avePosRegion/fAreaReg, aveNegRegion/fAreaReg );
815 FillAvePartPtRegion( maxPtJet1, aveNegRegion/fAreaReg, avePosRegion/fAreaReg );
818 //How quantities will be sorted before Fill Min and Max Histogram
819 // 1=Plots will be CDF-like
820 // 2=Plots will be Marchesini-like
821 // 3=Minimum zone is selected as the one having lowest pt per track
822 if( fOrdering == 1 ) {
823 if( sumPtRegionPosit > sumPtRegionNegat ) {
824 FillSumPtRegion( maxPtJet1, sumPtRegionPosit/fAreaReg, sumPtRegionNegat/fAreaReg );
826 FillSumPtRegion( maxPtJet1, sumPtRegionNegat/fAreaReg, sumPtRegionPosit/fAreaReg );
828 if (nTrackRegionPosit > nTrackRegionNegat ) {
829 FillMultRegion( maxPtJet1, nTrackRegionPosit/fAreaReg, nTrackRegionNegat/fAreaReg, sumPtRegionNegat/fAreaReg );
831 FillMultRegion( maxPtJet1, nTrackRegionNegat/fAreaReg, nTrackRegionPosit/fAreaReg, sumPtRegionPosit/fAreaReg );
833 } else if( fOrdering == 2 ) {
834 if (sumPtRegionPosit > sumPtRegionNegat) {
835 FillSumPtRegion( maxPtJet1, sumPtRegionPosit/fAreaReg, sumPtRegionNegat/fAreaReg );
836 FillMultRegion( maxPtJet1, nTrackRegionPosit/fAreaReg, nTrackRegionNegat/fAreaReg, sumPtRegionNegat/fAreaReg );
838 FillSumPtRegion( maxPtJet1, sumPtRegionNegat/fAreaReg, sumPtRegionPosit/fAreaReg );
839 FillMultRegion( maxPtJet1, nTrackRegionNegat/fAreaReg, nTrackRegionPosit/fAreaReg, sumPtRegionPosit/fAreaReg );
841 } else if( fOrdering == 3 ){
842 if (avePosRegion > aveNegRegion) {
843 FillSumPtRegion( maxPtJet1, sumPtRegionPosit/fAreaReg, sumPtRegionNegat/fAreaReg );
844 FillMultRegion( maxPtJet1, nTrackRegionPosit/fAreaReg, nTrackRegionNegat/fAreaReg, sumPtRegionNegat/fAreaReg );
846 FillSumPtRegion( maxPtJet1, sumPtRegionNegat/fAreaReg, sumPtRegionPosit/fAreaReg );
847 FillMultRegion( maxPtJet1, nTrackRegionNegat/fAreaReg, nTrackRegionPosit/fAreaReg, sumPtRegionPosit/fAreaReg );
850 fhRegionMaxPartPtMaxVsEt->Fill(maxPtJet1, maxPartPtRegion );
852 // Compute pedestal like magnitudes
853 fhRegionDiffSumPtVsEt->Fill(maxPtJet1, TMath::Abs(sumPtRegionPosit-sumPtRegionNegat)/(2.0*fAreaReg));
854 fhRegionAveSumPtVsEt->Fill(maxPtJet1, (sumPtRegionPosit+sumPtRegionNegat)/(2.0*fAreaReg));
855 // Transverse as a whole
856 fhRegTransMult->Fill( maxPtJet1, nTrackRegionPosit + nTrackRegionNegat, (nTrackRegionPosit + nTrackRegionNegat)/(2.0*fAreaReg));
857 fhRegTransSumPtVsMult->Fill(maxPtJet1, nTrackRegionPosit + nTrackRegionNegat , (sumPtRegionNegat + sumPtRegionPosit)/(2.0*fAreaReg) );
859 // Fill Histograms for Forward and away side w.r.t. leading jet direction
861 //fhRegForwardSumPtVsEt->Fill( maxPtJet1, sumPtRegionForward/normArea );
862 //fhRegForwardMultVsEt->Fill( maxPtJet1, nTrackRegionForward/normArea );
863 //fhRegBackwardSumPtVsEt->Fill( maxPtJet1, sumPtRegionBackward/normArea );
864 //fhRegBackwardMultVsEt->Fill( maxPtJet1, nTrackRegionBackward/normArea );
865 // Multiplicity dependence
866 fhRegForwardMult->Fill(maxPtJet1, nTrackRegionForward, nTrackRegionForward/normArea);
867 fhRegForwardSumPtvsMult->Fill(maxPtJet1, nTrackRegionForward,sumPtRegionForward/normArea);
868 fhRegBackwardMult->Fill(maxPtJet1, nTrackRegionBackward, nTrackRegionBackward/normArea );
869 fhRegBackwardSumPtvsMult->Fill(maxPtJet1, nTrackRegionBackward,sumPtRegionBackward/normArea);
873 //____________________________________________________________________
874 void AliAnalysisTaskUE::FillSumPtRegion( Double_t leadingE, Double_t ptMax, Double_t ptMin )
876 // Fill sumPt of control regions
879 fhRegionSumPtMaxVsEt->Fill( leadingE, ptMax );
881 fhRegionSumPtMinVsEt->Fill( leadingE, ptMin );
882 // MAke distributions for UE comparison with MB data
883 fhMinRegSumPt->Fill(ptMin);
884 fhMinRegSumPtJetPtBin->Fill(leadingE, ptMin);
885 fhMaxRegSumPtJetPtBin->Fill(leadingE, ptMax);
888 //____________________________________________________________________
889 void AliAnalysisTaskUE::FillAvePartPtRegion( Double_t leadingE, Double_t ptMax, Double_t ptMin )
891 // Fill average particle Pt of control regions
894 fhRegionAvePartPtMaxVsEt->Fill( leadingE, ptMax );
896 fhRegionAvePartPtMinVsEt->Fill( leadingE, ptMin );
897 // MAke distributions for UE comparison with MB data
898 fhMinRegAvePt->Fill(ptMin);
901 //____________________________________________________________________
902 void AliAnalysisTaskUE::FillMultRegion( Double_t leadingE, Double_t nTrackPtmax, Double_t nTrackPtmin, Double_t ptMin )
904 // Fill Nch multiplicity of control regions
907 fhRegionMultMaxVsEt->Fill( leadingE, nTrackPtmax );
908 fhRegionMultMax->Fill( nTrackPtmax );
910 fhRegionMultMinVsEt->Fill( leadingE, nTrackPtmin );
911 fhRegionMultMin->Fill( nTrackPtmin );
912 // MAke distributions for UE comparison with MB data
913 fhMinRegSumPtvsMult->Fill(nTrackPtmin,ptMin);
916 //____________________________________________________________________
917 Int_t AliAnalysisTaskUE::IsTrackInsideRegion(TVector3 *jetVect, TVector3 *partVect)
919 // return de region in delta phi
920 // -1 negative delta phi
921 // 1 positive delta phi
923 static const Double_t k60rad = 60.*TMath::Pi()/180.;
924 static const Double_t k120rad = 120.*TMath::Pi()/180.;
927 if( fRegionType == 1 ) {
928 if( TMath::Abs(partVect->Eta()) > fTrackEtaCut ) return 0;
929 // transverse regions
930 if (jetVect[0].DeltaPhi(*partVect) < -k60rad && jetVect[0].DeltaPhi(*partVect) > -k120rad ) region = -1; //left
931 if (jetVect[0].DeltaPhi(*partVect) > k60rad && jetVect[0].DeltaPhi(*partVect) < k120rad ) region = 1; //right
932 if (TMath::Abs(jetVect[0].DeltaPhi(*partVect)) < k60rad ) region = 2; //forward
933 if (TMath::Abs(jetVect[0].DeltaPhi(*partVect)) > k120rad ) region = -2; //backward
935 } else if( fRegionType == 2 ) {
937 Double_t deltaR = 0.;
939 TVector3 positVect,negatVect;
940 if (fConePosition==1){
941 positVect.SetMagThetaPhi(1, 2.*atan(exp(-jetVect[0].Eta())), jetVect[0].Phi()+TMath::PiOver2());
942 negatVect.SetMagThetaPhi(1, 2.*atan(exp(-jetVect[0].Eta())), jetVect[0].Phi()-TMath::PiOver2());
943 }else if (fConePosition==2){
944 if(fAnaType<2) AliFatal("Prevent error in Analysis type there might be only 1 jet. To avoid overflow better Correct UE config");
945 positVect.SetMagThetaPhi(1, 2.*atan(exp(-(jetVect[0].Eta()+jetVect[1].Eta())/2.)), jetVect[0].Phi()+TMath::PiOver2());
946 negatVect.SetMagThetaPhi(1, 2.*atan(exp(-(jetVect[0].Eta()+jetVect[1].Eta())/2.)), jetVect[0].Phi()-TMath::PiOver2());
947 }else if (fConePosition==3){
948 if(fAnaType<2) AliFatal("Prevent error in Analysis type there might be only 1 jet. To avoid overflow better Correct UE config");
949 Double_t weightEta = jetVect[0].Eta() * jetVect[0].Pt()/(jetVect[0].Pt() + jetVect[1].Pt()) +
950 jetVect[1].Eta() * jetVect[1].Pt()/(jetVect[0].Pt() + jetVect[1].Pt());
951 //Double_t weightEta = jetVect[0].Eta() * jetVect[0].Mag()/(jetVect[0].Mag() + jetVect[1].Mag()) +
952 // jetVect[1].Eta() * jetVect[1].Mag()/(jetVect[0].Mag() + jetVect[1].Mag());
953 positVect.SetMagThetaPhi(1, 2.*atan(exp(-weightEta)), jetVect[0].Phi()+TMath::PiOver2());
954 negatVect.SetMagThetaPhi(1, 2.*atan(exp(-weightEta)), jetVect[0].Phi()-TMath::PiOver2());
956 if (TMath::Abs(positVect.DeltaPhi(*partVect)) < fConeRadius ) {
958 deltaR = positVect.DrEtaPhi(*partVect);
959 } else if (TMath::Abs(negatVect.DeltaPhi(*partVect)) < fConeRadius) {
961 deltaR = negatVect.DrEtaPhi(*partVect);
964 if (deltaR > fConeRadius) region = 0;
967 AliError("Unknow region type");
969 // For debug (to be removed)
970 if( fDebug > 5 && region != 0 ) AliInfo(Form("Delta Phi = %3.2f region = %d \n", jetVect[0].DeltaPhi(*partVect), region)); //fhValidRegion->Fill( partVect->Eta()-jetVect[0].Eta(), jetVect[0].DeltaPhi(*partVect) );
975 //____________________________________________________________________
976 TObjArray* AliAnalysisTaskUE::SortChargedParticles()
978 // return an array with all charged particles ordered according to their pT .
979 Int_t nTracks = fAOD->GetNTracks();
980 if( !nTracks ) return 0;
981 TObjArray* tracks = new TObjArray(nTracks);
983 for (Int_t ipart=0; ipart<nTracks; ++ipart) {
984 AliAODTrack* part = fAOD->GetTrack( ipart );
985 if( !part->TestFilterBit( fFilterBit ) ) continue; // track cut selection
986 if( !part->Charge() ) continue;
987 if( part->Pt() < fTrackPtCut ) continue;
988 tracks->AddLast( part );
990 QSortTracks( *tracks, 0, tracks->GetEntriesFast() );
992 nTracks = tracks->GetEntriesFast();
993 if( !nTracks ) return 0;
998 //____________________________________________________________________
999 TObjArray* AliAnalysisTaskUE::FindChargedParticleJets()
1001 // Return a TObjArray of "charged particle jets"
1003 // Charged particle jet definition from reference:
1005 // "Charged jet evolution and the underlying event
1006 // in proton-antiproton collisions at 1.8 TeV"
1007 // PHYSICAL REVIEW D 65 092002, CDF Collaboration
1009 // We defined "jets" as circular regions in eta-phi space with
1010 // radius defined by R = sqrt( (eta-eta0)^2 +(phi-phi0)^2 ).
1011 // Our jet algorithm is as follows:
1012 // 1- Order all charged particles according to their pT .
1013 // 2- Start with the highest pT particle and include in the jet all
1014 // particles within the radius R=0.7 considering each particle
1015 // in the order of decreasing pT and recalculating the centroid
1016 // of the jet after each new particle is added to the jet .
1017 // 3- Go to the next highest pT particle not already included in
1018 // a jet and add to the jet all particles not already included in
1019 // a jet within R=0.7.
1020 // 4- Continue until all particles are in a jet.
1021 // We defined the transverse momentum of the jet to be
1022 // the scalar pT sum of all the particles within the jet, where pT
1023 // is measured with respect to the beam axis
1025 // 1 - Order all charged particles according to their pT .
1026 Int_t nTracks = fAOD->GetNTracks();
1027 if( !nTracks ) return 0;
1028 TObjArray tracks(nTracks);
1030 for (Int_t ipart=0; ipart<nTracks; ++ipart) {
1031 AliAODTrack* part = fAOD->GetTrack( ipart );
1032 if( !part->TestFilterBit(fFilterBit) ) continue; // track cut selection
1033 if( !part->Charge() ) continue;
1034 if( part->Pt() < fTrackPtCut ) continue;
1035 tracks.AddLast(part);
1037 QSortTracks( tracks, 0, tracks.GetEntriesFast() );
1039 nTracks = tracks.GetEntriesFast();
1040 if( !nTracks ) return 0;
1042 TObjArray *jets = new TObjArray(nTracks);
1043 TIter itrack(&tracks);
1045 // 2- Start with the highest pT particle ...
1046 Float_t px,py,pz,pt;
1047 AliAODTrack* track = (AliAODTrack*)itrack.Next();
1048 if( !track ) continue;
1052 pt = track->Pt(); // Use the energy member to store Pt
1053 jets->AddLast( new TLorentzVector(px, py, pz, pt) );
1054 tracks.Remove( track );
1055 TLorentzVector* jet = (TLorentzVector*)jets->Last();
1056 jet->SetPtEtaPhiE( 1., jet->Eta(), jet->Phi(), pt );
1057 // 3- Go to the next highest pT particle not already included...
1058 AliAODTrack* track1;
1059 Double_t fPt = jet->E();
1060 while ( (track1 = (AliAODTrack*)(itrack.Next())) ) {
1061 Double_t tphi = track1->Phi(); // here Phi is from 0 <-> 2Pi
1062 if (tphi > TMath::Pi()) tphi -= 2. * TMath::Pi(); // convert to -Pi <-> Pi
1063 Double_t dphi = TVector2::Phi_mpi_pi(jet->Phi()-tphi);
1064 Double_t r = TMath::Sqrt( (jet->Eta()-track1->Eta())*(jet->Eta()-track1->Eta()) +
1066 if( r < fConeRadius ) {
1067 fPt = jet->E()+track1->Pt(); // Scalar sum of Pt
1068 // recalculating the centroid
1069 Double_t eta = jet->Eta()*jet->E()/fPt + track1->Eta()*track1->Pt()/fPt;
1070 Double_t phi = jet->Phi()*jet->E()/fPt + tphi*track1->Pt()/fPt;
1071 jet->SetPtEtaPhiE( 1., eta, phi, fPt );
1072 tracks.Remove( track1 );
1077 nTracks = tracks.GetEntries();
1078 // 4- Continue until all particles are in a jet.
1080 } // end while nTracks
1082 // Convert to AODjets....
1083 Int_t njets = jets->GetEntriesFast();
1084 TObjArray* aodjets = new TObjArray(njets);
1085 aodjets->SetOwner(kTRUE);
1086 for(Int_t ijet=0; ijet<njets; ++ijet) {
1087 TLorentzVector* jet = (TLorentzVector*)jets->At(ijet);
1088 if (jet->E() < fChJetPtMin) continue;
1089 Float_t px, py,pz,en; // convert to 4-vector
1090 px = jet->E() * TMath::Cos(jet->Phi()); // Pt * cos(phi)
1091 py = jet->E() * TMath::Sin(jet->Phi()); // Pt * sin(phi)
1092 pz = jet->E() / TMath::Tan(2.0 * TMath::ATan(TMath::Exp(-jet->Eta())));
1093 en = TMath::Sqrt(px * px + py * py + pz * pz);
1095 aodjets->AddLast( new AliAODJet(px, py, pz, en) );
1100 // Order jets according to their pT .
1101 QSortTracks( *aodjets, 0, aodjets->GetEntriesFast() );
1104 if (fDebug>3) AliInfo(Form(" %d Charged jets found\n",njets));
1109 //____________________________________________________________________
1110 void AliAnalysisTaskUE::QSortTracks(TObjArray &a, Int_t first, Int_t last)
1112 // Sort array of TObjArray of tracks by Pt using a quicksort algorithm.
1114 static TObject *tmp;
1115 static int i; // "static" to save stack space
1118 while (last - first > 1) {
1122 while (++i < last && ((AliVParticle*)a[i])->Pt() > ((AliVParticle*)a[first])->Pt() )
1124 while (--j > first && ((AliVParticle*)a[j])->Pt() < ((AliVParticle*)a[first])->Pt() )
1140 if (j - first < last - (j + 1)) {
1141 QSortTracks(a, first, j);
1142 first = j + 1; // QSortTracks(j + 1, last);
1144 QSortTracks(a, j + 1, last);
1145 last = j; // QSortTracks(first, j);
1150 //____________________________________________________________________
1151 void AliAnalysisTaskUE::SetRegionArea(TVector3 *jetVect)
1153 Double_t fAreaCorrFactor=0.;
1154 Double_t deltaEta = 0.;
1155 if (fRegionType==1) fAreaReg = 2.*fTrackEtaCut*60.*TMath::Pi()/180.;
1156 else if (fRegionType==2){
1157 deltaEta = 0.9-TMath::Abs(jetVect[0].Eta());
1158 if (deltaEta>fConeRadius) fAreaReg = TMath::Pi()*fConeRadius*fConeRadius;
1160 fAreaCorrFactor = fConeRadius*fConeRadius*TMath::ACos(deltaEta/fConeRadius) -
1161 (deltaEta*fConeRadius)*TMath::Sqrt( 1. - deltaEta*deltaEta/(fConeRadius*fConeRadius));
1162 fAreaReg=TMath::Pi()*fConeRadius*fConeRadius-fAreaCorrFactor;
1164 }else AliWarning("Unknown Rgion Type");
1165 if (fDebug>10) AliInfo(Form("\n dEta=%5.3f Angle =%5.3f Region Area = %5.3f Corr Factor=%5.4f \n",deltaEta,TMath::ACos(deltaEta/fConeRadius),fAreaReg,fAreaCorrFactor));
1168 //____________________________________________________________________
1169 void AliAnalysisTaskUE::CreateHistos()
1171 fListOfHistos = new TList();
1174 fhNJets = new TH1F("fhNJets", "n Jet", 20, 0, 20);
1175 fhNJets->SetXTitle("# of jets");
1177 fListOfHistos->Add( fhNJets ); // At(0)
1179 fhEleadingPt = new TH1F("hEleadingPt", "Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1180 fhEleadingPt->SetXTitle("P_{T} (GeV/c)");
1181 fhEleadingPt->SetYTitle("dN/dP_{T}");
1182 fhEleadingPt->Sumw2();
1183 fListOfHistos->Add( fhEleadingPt ); // At(1)
1185 fhMinRegPtDist = new TH1F("hMinRegPtDist", "P_{T} distribution in Min zone", 50,0.,20.);
1186 fhMinRegPtDist->SetXTitle("P_{T} (GeV/c)");
1187 fhMinRegPtDist->SetYTitle("dN/dP_{T}");
1188 fhMinRegPtDist->Sumw2();
1189 fListOfHistos->Add( fhMinRegPtDist ); // At(2)
1191 fhRegionMultMin = new TH1F("hRegionMultMin", "N_{ch}^{90, min}", 21, -0.5, 20.5);
1192 fhRegionMultMin->SetXTitle("N_{ch tracks}");
1193 fhRegionMultMin->Sumw2();
1194 fListOfHistos->Add( fhRegionMultMin ); // At(3)
1196 fhMinRegAvePt = new TH1F("hMinRegAvePt", "#LTp_{T}#GT", 50, 0., 20.);
1197 fhMinRegAvePt->SetXTitle("P_{T} (GeV/c)");
1198 fhMinRegAvePt->Sumw2();
1199 fListOfHistos->Add( fhMinRegAvePt ); // At(4)
1201 fhMinRegSumPt = new TH1F("hMinRegSumPt", "#Sigma p_{T} ", 50, 0., 20.);
1202 fhMinRegSumPt->SetYTitle("Ed^{3}N_{tracks}/dp^{3} (c^{3}/GeV^{2})");
1203 fhMinRegSumPt->SetXTitle("#Sigma p_{T} (GeV/c)");
1204 fhMinRegSumPt->Sumw2();
1205 fListOfHistos->Add( fhMinRegSumPt ); // At(5)
1207 fhMinRegMaxPtPart = new TH1F("hMinRegMaxPtPart", "max(p_{T})|_{event} ", 50, 0., 20.);
1208 fhMinRegMaxPtPart->SetYTitle("Ed^{3}N_{tracks}/dp^{3} (c^{3}/GeV^{2})");
1209 fhMinRegMaxPtPart->SetXTitle("p_{T} (GeV/c)");
1210 fhMinRegMaxPtPart->Sumw2();
1211 fListOfHistos->Add( fhMinRegMaxPtPart ); // At(6)
1213 fhMinRegSumPtvsMult = new TH1F("hMinRegSumPtvsMult", "#Sigma p_{T} vs. Multiplicity ", 21, -0.5, 20.5);
1214 fhMinRegSumPtvsMult->SetYTitle("#Sigma p_{T} (GeV/c)");
1215 fhMinRegSumPtvsMult->SetXTitle("N_{charge}");
1216 fhMinRegSumPtvsMult->Sumw2();
1217 fListOfHistos->Add( fhMinRegSumPtvsMult ); // At(7);
1219 fhdNdEtaPhiDist = new TH2F("hdNdEtaPhiDist", Form("Charge particle density |#eta|<%3.1f vs #Delta#phi", fTrackEtaCut),
1220 62, 0., 2.*TMath::Pi(), fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1221 fhdNdEtaPhiDist->SetXTitle("#Delta#phi");
1222 fhdNdEtaPhiDist->SetYTitle("Leading Jet P_{T}");
1223 fhdNdEtaPhiDist->Sumw2();
1224 fListOfHistos->Add( fhdNdEtaPhiDist ); // At(8)
1226 // Can be use to get part pt distribution for differente Jet Pt bins
1227 fhFullRegPartPtDistVsEt = new TH2F("hFullRegPartPtDistVsEt", Form( "dN/dP_{T} |#eta|<%3.1f vs Leading Jet P_{T}", fTrackEtaCut),
1228 200,0.,100., fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1229 fhFullRegPartPtDistVsEt->SetYTitle("Leading Jet P_{T}");
1230 fhFullRegPartPtDistVsEt->SetXTitle("p_{T}");
1231 fhFullRegPartPtDistVsEt->Sumw2();
1232 fListOfHistos->Add( fhFullRegPartPtDistVsEt ); // At(9)
1234 // Can be use to get part pt distribution for differente Jet Pt bins
1235 fhTransRegPartPtDistVsEt = new TH2F("hTransRegPartPtDistVsEt", Form( "dN/dP_{T} in tranvese regions |#eta|<%3.1f vs Leading Jet P_{T}", fTrackEtaCut),
1236 200,0.,100., fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1237 fhTransRegPartPtDistVsEt->SetYTitle("Leading Jet P_{T}");
1238 fhTransRegPartPtDistVsEt->SetXTitle("p_{T}");
1239 fhTransRegPartPtDistVsEt->Sumw2();
1240 fListOfHistos->Add( fhTransRegPartPtDistVsEt ); // At(10)
1243 fhRegionSumPtMaxVsEt = new TH1F("hRegionSumPtMaxVsEt", "P_{T}^{90, max} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1244 fhRegionSumPtMaxVsEt->SetXTitle("P_{T} (GeV/c)");
1245 fhRegionSumPtMaxVsEt->Sumw2();
1246 fListOfHistos->Add( fhRegionSumPtMaxVsEt ); // At(11)
1248 fhRegionSumPtMinVsEt = new TH1F("hRegionSumPtMinVsEt", "P_{T}^{90, min} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1249 fhRegionSumPtMinVsEt->SetXTitle("P_{T} (GeV/c)");
1250 fhRegionSumPtMinVsEt->Sumw2();
1251 fListOfHistos->Add( fhRegionSumPtMinVsEt ); // At(12)
1253 fhRegionMultMax = new TH1I("hRegionMultMax", "N_{ch}^{90, max}", 21, -0.5, 20.5);
1254 fhRegionMultMax->SetXTitle("N_{ch tracks}");
1255 fhRegionMultMax->Sumw2();
1256 fListOfHistos->Add( fhRegionMultMax ); // At(13)
1258 fhRegionMultMaxVsEt = new TH1F("hRegionMultMaxVsEt", "N_{ch}^{90, max} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1259 fhRegionMultMaxVsEt->SetXTitle("E (GeV hRegionAveSumPtVsEt/c)");
1260 fhRegionMultMaxVsEt->Sumw2();
1261 fListOfHistos->Add( fhRegionMultMaxVsEt ); // At(14)
1263 fhRegionMultMinVsEt = new TH1F("hRegionMultMinVsEt", "N_{ch}^{90, min} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1264 fhRegionMultMinVsEt->SetXTitle("E (GeV/c)");
1265 fhRegionMultMinVsEt->Sumw2();
1266 fListOfHistos->Add( fhRegionMultMinVsEt ); // At(15)
1268 fhRegionAveSumPtVsEt = new TH1F("hRegionAveSumPtVsEt", "(P_{T}^{90, max} + P_{T}^{90, min})/2 vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1269 fhRegionAveSumPtVsEt->SetXTitle("P_{T} (GeV/c)");
1270 fhRegionAveSumPtVsEt->Sumw2();
1271 fListOfHistos->Add( fhRegionAveSumPtVsEt ); // At(16)
1273 fhRegionDiffSumPtVsEt= new TH1F("hRegionPtDiffVsEt", "(P_{T}^{90, max} - P_{T}^{90, min}) vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1274 fhRegionDiffSumPtVsEt->SetXTitle("P_{T} (GeV/c)");
1275 fhRegionDiffSumPtVsEt->Sumw2();
1276 fListOfHistos->Add( fhRegionDiffSumPtVsEt ); // At(17)
1278 fhRegionAvePartPtMaxVsEt = new TH1F("hRegionAvePartPtMaxVsEt", "#LTp_{T}#GT^{90, max} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1279 fhRegionAvePartPtMaxVsEt->SetXTitle("P_{T} (GeV/c)");
1280 fhRegionAvePartPtMaxVsEt->Sumw2();
1281 fListOfHistos->Add( fhRegionAvePartPtMaxVsEt ); // At(18)
1283 fhRegionAvePartPtMinVsEt = new TH1F("hRegionAvePartPtMinVsEt", "#LTp_{T}#GT^{90, min} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1284 fhRegionAvePartPtMinVsEt->SetXTitle("P_{T} (GeV/c)");
1285 fhRegionAvePartPtMinVsEt->Sumw2();
1286 fListOfHistos->Add( fhRegionAvePartPtMinVsEt ); // At(19)
1288 fhRegionMaxPartPtMaxVsEt = new TH1F("hRegionMaxPartPtMaxVsEt", "max(p_{T})^{90} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1289 fhRegionMaxPartPtMaxVsEt->SetXTitle("P_{T} (GeV/c)");
1290 fhRegionMaxPartPtMaxVsEt->Sumw2();
1291 fListOfHistos->Add( fhRegionMaxPartPtMaxVsEt ); // At(20)
1293 fhRegForwardSumPtVsEt = new TH1F("hRegForwardSumPtVsEt", "Forward #sum{p_{T}} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1294 fhRegForwardSumPtVsEt->SetXTitle("P_{T} (GeV/c)");
1295 fhRegForwardSumPtVsEt->Sumw2();
1296 fListOfHistos->Add( fhRegForwardSumPtVsEt ); // At(21)
1298 fhRegForwardMultVsEt = new TH1F("hRegForwardMultVsEt", "Forward #sum{N_{ch}} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1299 fhRegForwardMultVsEt->SetXTitle("P_{T} (GeV/c)");
1300 fhRegForwardMultVsEt->Sumw2();
1301 fListOfHistos->Add( fhRegForwardMultVsEt ); // At(22)
1303 fhRegBackwardSumPtVsEt = new TH1F("hRegBackwardSumPtVsEt", "Backward #sum{p_{T}} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1304 fhRegBackwardSumPtVsEt->SetXTitle("P_{T} (GeV/c)");
1305 fhRegBackwardSumPtVsEt->Sumw2();
1306 fListOfHistos->Add( fhRegBackwardSumPtVsEt ); // At(23)
1308 fhRegBackwardMultVsEt = new TH1F("hRegBackwardMultVsEt", "Backward #sum{N_{ch}} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1309 fhRegBackwardMultVsEt->SetXTitle("P_{T} (GeV/c)");
1310 fhRegBackwardMultVsEt->Sumw2();
1311 fListOfHistos->Add( fhRegBackwardMultVsEt ); // At(24)
1313 fhRegForwardMult = new TH2F("hRegForwardMult", "N_{ch}^{forward}",
1314 fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist, 21, -0.5, 20.5);
1315 fhRegForwardMult->SetXTitle("N_{ch tracks}");
1316 fhRegForwardMult->Sumw2();
1317 fListOfHistos->Add( fhRegForwardMult ); // At(25)
1319 fhRegForwardSumPtvsMult = new TH2F("hRegForwardSumPtvsMult", "Forward #Sigma p_{T} vs. Multiplicity ",
1320 fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist, 21, -0.5, 20.5);
1321 fhRegForwardSumPtvsMult->SetYTitle("#Sigma p_{T} (GeV/c)");
1322 fhRegForwardSumPtvsMult->SetXTitle("N_{charge}");
1323 fhRegForwardSumPtvsMult->Sumw2();
1324 fListOfHistos->Add( fhRegForwardSumPtvsMult ); // At(26);
1326 fhRegBackwardMult = new TH2F("hRegBackwardMult", "N_{ch}^{backward}",
1327 fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist, 21, -0.5, 20.5);
1328 fhRegBackwardMult->SetXTitle("N_{ch tracks}");
1329 fhRegBackwardMult->Sumw2();
1330 fListOfHistos->Add( fhRegBackwardMult ); // At(27)
1332 fhRegBackwardSumPtvsMult = new TH2F("hRegBackwardSumPtvsMult", "Backward #Sigma p_{T} vs. Multiplicity ",
1333 fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist, 21, -0.5, 20.5);
1334 fhRegBackwardSumPtvsMult->SetYTitle("#Sigma p_{T} (GeV/c)");
1335 fhRegBackwardSumPtvsMult->SetXTitle("N_{charge}");
1336 fhRegBackwardSumPtvsMult->Sumw2();
1337 fListOfHistos->Add( fhRegBackwardSumPtvsMult ); // At(28);
1339 fhRegForwardPartPtDistVsEt = new TH2F("hRegForwardPartPtDistVsEt", Form( "dN/dP_{T} |#eta|<%3.1f vs Leading Jet P_{T}", fTrackEtaCut),
1340 200,0.,100., fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1341 fhRegForwardPartPtDistVsEt->SetYTitle("Leading Jet P_{T}");
1342 fhRegForwardPartPtDistVsEt->SetXTitle("p_{T}");
1343 fhRegForwardPartPtDistVsEt->Sumw2();
1344 fListOfHistos->Add( fhRegForwardPartPtDistVsEt ); // At(29)
1346 fhRegBackwardPartPtDistVsEt = new TH2F("hRegBackwardPartPtDistVsEt", Form( "dN/dP_{T} |#eta|<%3.1f vs Leading Jet P_{T}", fTrackEtaCut),
1347 200,0.,100., fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1348 fhRegBackwardPartPtDistVsEt->SetYTitle("Leading Jet P_{T}");
1349 fhRegBackwardPartPtDistVsEt->SetXTitle("p_{T}");
1350 fhRegBackwardPartPtDistVsEt->Sumw2();
1351 fListOfHistos->Add( fhRegBackwardPartPtDistVsEt ); // At(30)
1353 fhRegTransMult = new TH2F("hRegTransMult", "N_{ch}^{transv}",
1354 fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist, 21, -0.5, 20.5);
1355 fhRegTransMult->SetXTitle("N_{ch tracks}");
1356 fhRegTransMult->Sumw2();
1357 fListOfHistos->Add( fhRegTransMult ); // At(31)
1359 fhRegTransSumPtVsMult = new TH2F("hRegTransSumPtVsMult", "Transverse #Sigma p_{T} vs. Multiplicity ",
1360 fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist, 21, -0.5, 20.5);
1361 fhRegTransSumPtVsMult->SetYTitle("#Sigma p_{T} (GeV/c)");
1362 fhRegTransSumPtVsMult->SetXTitle("N_{charge}");
1363 fhRegTransSumPtVsMult->Sumw2();
1364 fListOfHistos->Add( fhRegTransSumPtVsMult ); // At(32);
1366 fhMinRegSumPtJetPtBin = new TH2F("hMinRegSumPtJetPtBin", "Transverse Min Reg #Sigma p_{T} per jet Pt Bin",
1367 fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist, 50, 0., 20.);
1368 fhMinRegSumPtJetPtBin->SetXTitle("Leading Jet P_{T}");
1369 fhMinRegSumPtJetPtBin->Sumw2();
1370 fListOfHistos->Add( fhMinRegSumPtJetPtBin ); // At(33)
1372 fhMaxRegSumPtJetPtBin = new TH2F("hMaxRegSumPtJetPtBin", "Transverse Max Reg #Sigma p_{T} per jet Pt Bin",
1373 fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist, 50, 0., 20.);
1374 fhMaxRegSumPtJetPtBin->SetXTitle("Leading Jet P_{T}");
1375 fhMaxRegSumPtJetPtBin->Sumw2();
1376 fListOfHistos->Add( fhMaxRegSumPtJetPtBin ); // At(34)
1378 fhVertexMult = new TH1F("hVertexMult", "Multiplicity in Main Vertex", 81, -0.5 , 80.5);
1379 fhVertexMult->SetXTitle("Main Vertex Multiplicity");
1380 fhVertexMult->Sumw2();
1381 fListOfHistos->Add( fhVertexMult ); //At(35)
1383 fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1);
1384 fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>");
1386 fListOfHistos->Add( fh1Xsec ); //At(36)
1388 fh1Trials = new TH1F("fh1Trials","trials from pyxsec.root",1,0,1);
1389 fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}");
1391 fListOfHistos->Add( fh1Trials ); //At(37)
1393 fSettingsTree = new TTree("UEAnalysisSettings","Analysis Settings in UE estimation");
1394 fSettingsTree->Branch("fFilterBit", &fFilterBit,"FilterBit/I");
1395 fSettingsTree->Branch("fTrigger", &fTrigger,"TriggerFlag/I");
1396 fSettingsTree->Branch("fConeRadius", &fConeRadius,"Rad/D");
1397 fSettingsTree->Branch("fJet1EtaCut", &fJet1EtaCut, "LeadJetEtaCut/D");
1398 fSettingsTree->Branch("fJet2DeltaPhiCut", &fJet2DeltaPhiCut, "DeltaPhi/D");
1399 fSettingsTree->Branch("fJet2RatioPtCut", &fJet2RatioPtCut, "Jet2Ratio/D");
1400 fSettingsTree->Branch("fJet3PtCut", &fJet3PtCut, "Jet3PtCut/D");
1401 fSettingsTree->Branch("fTrackPtCut", &fTrackPtCut, "TrackPtCut/D");
1402 fSettingsTree->Branch("fTrackEtaCut", &fTrackEtaCut, "TrackEtaCut/D");
1403 fSettingsTree->Branch("fAnaType", &fAnaType, "Ana/I");
1404 fSettingsTree->Branch("fRegionType", &fRegionType,"Reg/I");
1405 fSettingsTree->Branch("fOrdering", &fOrdering,"OrderMeth/I");
1406 fSettingsTree->Branch("fUseChPartJet", &fUseChPartJet,"UseChPart/O");
1407 fSettingsTree->Branch("fUseChargeHadrons", &fUseChargeHadrons,"UseChHadrons/O");
1408 fSettingsTree->Branch("fUseSingleCharge", &fUseSingleCharge,"UseSingleCh/O");
1409 fSettingsTree->Branch("fUsePositiveCharge", &fUsePositiveCharge,"UsePositiveCh/O");
1410 fSettingsTree->Fill();
1413 fListOfHistos->Add( fSettingsTree ); // At(38)
1416 // For debug region selection
1417 fhValidRegion = new TH2F("hValidRegion", "dN/d#eta/d#phi",
1418 20, -2.,2., 62, -TMath::Pi(), TMath::Pi());
1419 fhValidRegion->SetYTitle("#Delta#phi");
1420 fhValidRegion->Sumw2();
1421 fListOfHistos->Add( fhValidRegion ); // At(15)
1427 //____________________________________________________________________
1428 void AliAnalysisTaskUE::Terminate(Option_t */*option*/)
1430 // Terminate analysis
1433 //Save Analysis Settings
1436 // Normalize histos to region area TODO:
1437 // Normalization done at Analysis, taking into account
1438 // area variations on per-event basis (cone case)
1440 //HIGH WARNING!!!!!: DO NOT SCALE ANY OF THE ORIGINAL HISTOGRAMS
1441 //MAKE A COPY, DRAW IT, And later sacale that copy. CAF Issue!!!!!
1443 // Draw some Test plot to the screen
1444 if (!gROOT->IsBatch()) {
1446 // Update pointers reading them from the output slot
1447 fListOfHistos = dynamic_cast<TList*> (GetOutputData(0));
1448 if( !fListOfHistos ) {
1449 AliError("Histogram List is not available");
1452 fhNJets = (TH1F*)fListOfHistos->At(0);
1453 fhEleadingPt = (TH1F*)fListOfHistos->At(1);
1454 fhdNdEtaPhiDist = (TH2F*)fListOfHistos->At(8);
1455 fhRegionSumPtMaxVsEt = (TH1F*)fListOfHistos->At(11);
1456 fhRegionSumPtMinVsEt = (TH1F*)fListOfHistos->At(12);
1457 fhRegionMultMaxVsEt = (TH1F*)fListOfHistos->At(14);
1458 fhRegionMultMinVsEt = (TH1F*)fListOfHistos->At(15);
1459 fhRegionAveSumPtVsEt = (TH1F*)fListOfHistos->At(16);
1460 //fhRegForwardSumPtVsEt = (TH1F*)fListOfHistos->At(21);
1461 //fhRegBackwardSumPtVsEt = (TH1F*)fListOfHistos->At(23);
1463 //fhValidRegion = (TH2F*)fListOfHistos->At(21);
1466 TCanvas* c1 = new TCanvas("c1",Form("sumPt dist (%s)", GetTitle()),60,60,1100,700);
1469 TH1F *h1r = new TH1F("hRegionEtvsSumPtMax" , "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1470 h1r->Divide(fhRegionSumPtMaxVsEt,fhEleadingPt,1,1);
1471 //h1r->Scale( areafactor );
1472 h1r->SetMarkerStyle(20);
1473 h1r->SetXTitle("P_{T} of Leading Jet (GeV/c)");
1474 h1r->SetYTitle("P_{T}^{90, max}");
1479 TH1F *h2r = new TH1F("hRegionEtvsSumPtMin" , "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1480 h2r->Divide(fhRegionSumPtMinVsEt,fhEleadingPt,1,1);
1481 //h2r->Scale( areafactor );
1482 h2r->SetMarkerStyle(20);
1483 h2r->SetXTitle("P_{T} of Leading Jet (GeV/c)");
1484 h2r->SetYTitle("P_{T}^{90, min}");
1488 TH1F *h4r = new TH1F("hRegionEtvsDiffPt" , "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1489 //TH1F *h41r = new TH1F("hRegForwvsDiffPt" , "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1490 //TH1F *h42r = new TH1F("hRegBackvsDiffPt" , "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1491 //h41r->Divide(fhRegForwardSumPtVsEt,fhEleadingPt,1,1);
1492 //h42r->Divide(fhRegBackwardSumPtVsEt,fhEleadingPt,1,1);
1493 h4r->Divide(fhRegionAveSumPtVsEt,fhEleadingPt,1,1);
1494 //h4r->Scale(2.); // make average
1495 //h4r->Scale( areafactor );
1496 h4r->SetYTitle("#DeltaP_{T}^{90}");
1497 h4r->SetXTitle("P_{T} of Leading Jet (GeV/c)");
1498 h4r->SetMarkerStyle(20);
1500 /*h41r->SetXTitle("P_{T} of Leading Jet (GeV/c)");
1501 h41r->SetMarkerStyle(22);
1502 h41r->DrawCopy("p same");
1503 h42r->SetXTitle("P_{T} of Leading Jet (GeV/c)");
1504 h42r->SetMarkerStyle(23);
1505 h42r->SetMarkerColor(kRed);
1506 h42r->DrawCopy("p same");
1509 TH1F *h5r = new TH1F("hRegionMultMaxVsEtleading", "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1510 TH1F *h6r = new TH1F("hRegionMultMinVsEtleading", "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist);
1512 h5r->Divide(fhRegionMultMaxVsEt,fhEleadingPt,1,1);
1513 h6r->Divide(fhRegionMultMinVsEt,fhEleadingPt,1,1);
1514 //h5r->Scale( areafactor );
1515 //h6r->Scale( areafactor );
1516 h5r->SetYTitle("N_{Tracks}^{90}");
1517 h5r->SetXTitle("P_{T} of Leading Jet (GeV/c)");
1518 h5r->SetMarkerStyle(20);
1520 h6r->SetMarkerStyle(21);
1521 h6r->SetMarkerColor(2);
1522 h6r->SetYTitle("N_{Tracks}^{90}");
1523 h6r->SetXTitle("P_{T} of Leading Jet (GeV/c)");
1524 h6r->DrawCopy("p same");
1528 fh1Xsec = (TProfile*)fListOfHistos->At(21);
1529 fh1Trials = (TH1F*)fListOfHistos->At(22);
1531 Double_t xsec = fh1Xsec->GetBinContent(1);
1532 Double_t ntrials = fh1Trials->GetBinContent(1);
1533 Double_t normFactor = xsec/ntrials;
1534 if(fDebug > 1)Printf("xSec %f nTrials %f Norm %f \n",xsec,ntrials,normFactor);
1538 TCanvas* c2 = new TCanvas("c2","Jet Pt dist",160,160,1200,800);
1542 fhEleadingPt->SetMarkerStyle(20);
1543 fhEleadingPt->SetMarkerColor(2);
1544 //if( normFactor > 0.) fhEleadingPt->Scale(normFactor);
1545 //fhEleadingPt->Draw("p");
1546 copy = fhEleadingPt->DrawCopy("p");
1547 if( normFactor > 0.) copy->Scale(normFactor);
1551 Int_t xbin1 = fhdNdEtaPhiDist->GetYaxis()->FindFixBin(fMinJetPtInHist);
1552 Int_t xbin2 = fhdNdEtaPhiDist->GetYaxis()->FindFixBin(fMaxJetPtInHist);
1553 TH1D* dNdEtaPhiDistAllJets = fhdNdEtaPhiDist->ProjectionX("dNdEtaPhiDistAllJets",xbin1,xbin2);
1554 dNdEtaPhiDistAllJets->SetMarkerStyle(20);
1555 dNdEtaPhiDistAllJets->SetMarkerColor(2);
1556 dNdEtaPhiDistAllJets->DrawCopy("p");
1560 fhNJets->DrawCopy();
1563 //fhValidRegion->DrawCopy("p");
1565 //fhTransRegPartPtDist = (TH1F*)fListOfHistos->At(2);
1566 fhRegionMultMin = (TH1F*)fListOfHistos->At(3);
1567 fhMinRegAvePt = (TH1F*)fListOfHistos->At(4);
1568 fhMinRegSumPt = (TH1F*)fListOfHistos->At(5);
1569 //fhMinRegMaxPtPart = (TH1F*)fListOfHistos->At(6);
1570 fhMinRegSumPtvsMult = (TH1F*)fListOfHistos->At(7);
1574 TCanvas* c3 = new TCanvas("c3"," pT dist",160,160,1200,800);
1577 /*fhTransRegPartPtDist->SetMarkerStyle(20);
1578 fhTransRegPartPtDist->SetMarkerColor(2);
1579 fhTransRegPartPtDist->Scale(areafactor/fhTransRegPartPtDist->GetEntries());
1580 fhTransRegPartPtDist->DrawCopy("p");
1584 fhMinRegSumPt->SetMarkerStyle(20);
1585 fhMinRegSumPt->SetMarkerColor(2);
1586 //fhMinRegSumPt->Scale(areafactor);
1587 fhMinRegSumPt->DrawCopy("p");
1591 fhMinRegAvePt->SetMarkerStyle(20);
1592 fhMinRegAvePt->SetMarkerColor(2);
1593 //fhMinRegAvePt->Scale(areafactor);
1594 fhMinRegAvePt->DrawCopy("p");
1599 TH1F *h7r = new TH1F("hRegionMultMinVsMult", "", 21, -0.5, 20.5);
1601 h7r->Divide(fhMinRegSumPtvsMult,fhRegionMultMin,1,1);
1603 h7r->SetMarkerStyle(20);
1604 h7r->SetMarkerColor(2);
1611 fhValidRegion->SetMarkerStyle(20);
1612 fhValidRegion->SetMarkerColor(2);
1613 fhValidRegion->DrawCopy("p");
1617 AliInfo(" Batch mode, not histograms will be shown...");
1621 AliInfo("End analysis");
1625 void AliAnalysisTaskUE::WriteSettings()
1628 AliInfo(" All Analysis Settings in Saved Tree");
1629 fSettingsTree->Scan();