PWGLF/totEt/AliAnalysisEtReconstructed.cxx

   1 //_________________________________________________________________________
   2 //  Utility Class for transverse energy studies
   3 //  Base class for ESD analysis
   4 //  - reconstruction output
   5 //  implementation file
   6 //
   7 //*-- Authors: Oystein Djuvsland (Bergen), David Silvermyr (ORNL)
   8 //_________________________________________________________________________
   9
  10 #include "AliAnalysisEtReconstructed.h"
  11 #include "AliAnalysisEtCuts.h"
  12 #include "AliESDtrack.h"
  13 #include "AliEMCALTrack.h"
  14 #include "AliESDCaloCluster.h"
  15 #include "TVector3.h"
  16 #include "TGeoGlobalMagField.h"
  17 #include "AliMagF.h"
  18 #include "AliVEvent.h"
  19 #include "AliESDEvent.h"
  20 #include "AliESDtrackCuts.h"
  21 #include "AliVParticle.h"
  22 #include "TDatabasePDG.h"
  23 #include "TList.h"
  24 #include "AliESDpid.h"
  25 #include <iostream>
  26 #include "TH3F.h"
  27 #include "TH2F.h"
  28 #include "TH2I.h"
  29 #include "TH1I.h"
  30 #include "TFile.h"
  31 #include "AliAnalysisHadEtCorrections.h"
  32 #include "AliAnalysisEtSelector.h"
  33 #include "AliLog.h"
  34 #include "AliCentrality.h"
  35 #include "AliPHOSGeoUtils.h"
  36 #include "AliPHOSGeometry.h"
  37 #include "AliAnalysisEtRecEffCorrection.h"
  38
  39
  40 using namespace std;
  41
  42 ClassImp(AliAnalysisEtReconstructed);
  43
  44
  45 AliAnalysisEtReconstructed::AliAnalysisEtReconstructed() :
  46         AliAnalysisEt()
  47         ,fCorrections(0)
  48         ,fPidCut(0)
  49         ,fHistChargedPionEnergyDeposit(0)
  50         ,fHistProtonEnergyDeposit(0)
  51         ,fHistAntiProtonEnergyDeposit(0)
  52         ,fHistChargedKaonEnergyDeposit(0)
  53         ,fHistMuonEnergyDeposit(0)
  54         ,fHistRemovedEnergy(0)
  55         ,fGeomCorrection(1.0)
  56         ,fEMinCorrection(1.0/0.687)
  57         ,fRecEffCorrection(1.0)
  58         ,fClusterPosition(0)
  59         ,fClusterEnergy(0)
  60         ,fClusterEt(0)
  61         ,fHistChargedEnergyRemoved(0)
  62         ,fHistNeutralEnergyRemoved(0)
  63         ,fHistGammaEnergyAdded(0)
  64         ,fHistMatchedTracksEvspTvsCent(0)
  65         ,fHistMatchedTracksEvspTvsCentEffCorr(0)
  66         ,fHistFoundHadronsvsCent(0)
  67         ,fHistNotFoundHadronsvsCent(0)
  68         ,fHistFoundHadronsEtvsCent(0)
  69         ,fHistNotFoundHadronsEtvsCent(0)
  70         ,fHistNominalRawEt(0)
  71         ,fHistNominalNonLinHighEt(0)
  72         ,fHistNominalNonLinLowEt(0)
  73         ,fHistNominalEffHighEt(0)
  74         ,fHistNominalEffLowEt(0)
  75 {
  76
  77 }
  78
  79 AliAnalysisEtReconstructed::~AliAnalysisEtReconstructed()
  80 {//destructor
  81     delete fCorrections;
  82     delete fHistChargedPionEnergyDeposit; /** Energy deposited in calorimeter by charged pions */
  83     delete fHistProtonEnergyDeposit; /** Energy deposited in calorimeter by protons */
  84     delete fHistAntiProtonEnergyDeposit; /** Energy deposited in calorimeter by anti-protons */
  85     delete fHistChargedKaonEnergyDeposit; /** Energy deposited in calorimeter by charged kaons */
  86     delete fHistMuonEnergyDeposit; /** Energy deposited in calorimeter by muons */
  87
  88     delete fHistRemovedEnergy; // removed energy
  89     delete fClusterPosition;
  90     delete fClusterEnergy;
  91     delete fClusterEt;
  92     delete fHistChargedEnergyRemoved;
  93     delete fHistNeutralEnergyRemoved;
  94     delete fHistGammaEnergyAdded;
  95     delete fHistMatchedTracksEvspTvsCent;
  96     delete fHistMatchedTracksEvspTvsCentEffCorr;
  97     delete fHistFoundHadronsvsCent;
  98     delete fHistNotFoundHadronsvsCent;
  99     delete fHistFoundHadronsEtvsCent;
 100     delete fHistNotFoundHadronsEtvsCent;
 101     delete fHistNominalRawEt;
 102     delete fHistNominalNonLinHighEt;
 103     delete fHistNominalNonLinLowEt;
 104     delete fHistNominalEffHighEt;
 105     delete fHistNominalEffLowEt;
 106 }
 107
 108 Int_t AliAnalysisEtReconstructed::AnalyseEvent(AliVEvent* ev)
 109 {
 110
 111     //AliAnalysisEt::AnalyseEvent(ev);
 112     // analyse ESD event
 113     ResetEventValues();
 114     if (!ev) {
 115         AliFatal("ERROR: Event does not exist");
 116         return 0;
 117     }
 118
 119     AliESDEvent *event = dynamic_cast<AliESDEvent*>(ev);
 120     if (!event) {
 121         AliFatal("ERROR: ESD Event does not exist");
 122         return 0;
 123     }
 124     if(!fSelector){
 125         AliFatal("ERROR: fSelector does not exist");
 126         return 0;
 127     }
 128     fSelector->SetEvent(event);
 129
 130     Int_t cent = -1;
 131     fCentrality = event->GetCentrality();
 132     if (fCentrality && cent)
 133     {
 134         cent = fCentrality->GetCentralityClass5("V0M");
 135         fCentClass = fCentrality->GetCentralityClass5("V0M");
 136     }
 137
 138     TRefArray *caloClusters = fSelector->GetClusters();
 139     Float_t fClusterMult = caloClusters->GetEntries();
 140
 141     Float_t nominalRawEt = 0;
 142     Float_t nonlinHighRawEt = 0;
 143     Float_t nonlinLowRawEt = 0;
 144     Float_t effHighRawEt = 0;
 145     Float_t effLowRawEt = 0;
 146
 147     Float_t nChargedHadronsMeasured = 0.0;
 148     Float_t nChargedHadronsTotal = 0.0;
 149     Float_t nChargedHadronsEtMeasured = 0.0;
 150     Float_t nChargedHadronsEtTotal = 0.0;
 151
 152
 153     for (Int_t iCluster = 0; iCluster < event->GetNumberOfCaloClusters(); iCluster++)
 154     {
 155         AliESDCaloCluster* cluster = event->GetCaloCluster(iCluster);
 156         if (!cluster)
 157         {
 158             AliError(Form("ERROR: Could not get cluster %d", iCluster));
 159             continue;
 160         }
 161         int x = 0;
 162         fCutFlow->Fill(x++);
 163         if(!fSelector->IsDetectorCluster(*cluster)) continue;
 164         fCutFlow->Fill(x++);
 165         if(!fSelector->PassMinEnergyCut(*cluster)) continue;
 166         fCutFlow->Fill(x++);
 167         if (!fSelector->PassDistanceToBadChannelCut(*cluster)) continue;
 168         fCutFlow->Fill(x++);
 169
 170         Float_t pos[3];
 171
 172         cluster->GetPosition(pos);
 173         TVector3 cp(pos);
 174
 175         Bool_t matched = kTRUE;//default to no track matched
 176         Int_t trackMatchedIndex = cluster->GetTrackMatchedIndex();//find the index of the matched track
 177         matched = !(fSelector->PassTrackMatchingCut(*cluster));//PassTrackMatchingCut is false if there is a matched track
 178         if(matched){//if the track match is good (, is the track good?
 179           if(trackMatchedIndex < 0) matched=kFALSE;//If the index is bad, don't count it
 180           if(matched){
 181             AliESDtrack *track = event->GetTrack(trackMatchedIndex);
 182             //if this is a good track, accept track will return true.  The track matched is good, so not track matched is false
 183             matched = fEsdtrackCutsTPC->AcceptTrack(track);//If the track is bad, don't count it
 184           }
 185         }
 186
 187
 188         if (matched)
 189         {
 190
 191             if (cluster->GetNTracksMatched() > 0 && trackMatchedIndex>=0)
 192             {
 193                 AliVTrack *track = event->GetTrack(trackMatchedIndex);
 194                 if (!track) {
 195                     AliError("Error: track does not exist");
 196                 }
 197                 else {
 198                   float eff = fTmCorrections->TrackMatchingEfficiency(track->Pt(),fClusterMult);
 199                   if(TMath::Abs(eff)<1e-5) eff = 1.0;
 200                   //cout<<"pt "<<track->Pt()<<" eff "<<eff<<endl;
 201                   nChargedHadronsMeasured++;
 202                   nChargedHadronsTotal += 1/eff;
 203                   Double_t effCorrEt = CorrectForReconstructionEfficiency(*cluster,fClusterMult);
 204                   nChargedHadronsEtMeasured+= TMath::Sin(cp.Theta())*effCorrEt;
 205                   nChargedHadronsEtTotal+= 1/eff *effCorrEt;
 206                   fHistMatchedTracksEvspTvsCent->Fill(track->P(),TMath::Sin(cp.Theta())*cluster->E(),cent);
 207                   fHistMatchedTracksEvspTvsCentEffCorr->Fill(track->P(),CorrectForReconstructionEfficiency(*cluster,fClusterMult),cent);
 208                     const Double_t *pidWeights = track->PID();
 209
 210                     Double_t maxpidweight = 0;
 211                     Int_t maxpid = 0;
 212
 213                     if (pidWeights)
 214                     {
 215                         for (Int_t p =0; p < AliPID::kSPECIES; p++)
 216                         {
 217                             if (pidWeights[p] > maxpidweight)
 218                             {
 219                                 maxpidweight = pidWeights[p];
 220                                 maxpid = p;
 221                             }
 222                         }
 223                         if (fCuts->GetHistMakeTreeDeposit() && fDepositTree)
 224                         {
 225                             fEnergyDeposited = cluster->E();
 226                             fMomentumTPC = track->P();
 227                             fCharge = track->Charge();
 228                             fParticlePid = maxpid;
 229                             fPidProb = maxpidweight;
 230                             AliESDtrack *esdTrack = dynamic_cast<AliESDtrack*>(track);
 231                             if (!esdTrack) {
 232                                 AliError("Error: track does not exist");
 233                             }
 234                             else {
 235                                 if (esdTrack) fTrackPassedCut = fEsdtrackCutsTPC->AcceptTrack(esdTrack);
 236                                 fDepositTree->Fill();
 237                             }
 238                         }
 239
 240                         if (maxpidweight > fPidCut)
 241                         {
 242                             //Float_t dist = TMath::Sqrt(pos[0]*pos[0] + pos[1]*pos[1]);
 243
 244                             //Float_t theta = TMath::ATan(pos[2]/dist)+TMath::Pi()/2;
 245
 246                             //Float_t et = cluster->E() * TMath::Sin(theta);
 247                             if (maxpid == AliPID::kProton)
 248                             {
 249
 250                                 if (track->Charge() == 1)
 251                                 {
 252                                     fHistProtonEnergyDeposit->Fill(cluster->E(), track->E());
 253                                 }
 254                                 else if (track->Charge() == -1)
 255                                 {
 256                                     fHistAntiProtonEnergyDeposit->Fill(cluster->E(), track->E());
 257                                 }
 258                             }
 259                             else if (maxpid == AliPID::kPion)
 260                             {
 261                                 fHistChargedPionEnergyDeposit->Fill(cluster->E(), track->E());
 262                             }
 263                             else if (maxpid == AliPID::kKaon)
 264                             {
 265                                 fHistChargedKaonEnergyDeposit->Fill(cluster->E(), track->E());
 266                             }
 267                             else if (maxpid == AliPID::kMuon)
 268                             {
 269                                 fHistMuonEnergyDeposit->Fill(cluster->E(), track->E());
 270                             }
 271                         }
 272                     }
 273                 }
 274             }
 275             //continue;
 276         } // distance
 277         else{//these are clusters which were not track matched
 278           fCutFlow->Fill(x++);
 279           //std::cout << x++ << std::endl;
 280
 281           //if (cluster->E() >  fSingleCellEnergyCut && cluster->GetNCells() == fCuts->GetCommonSingleCell()) continue;
 282           //if (cluster->E() < fClusterEnergyCut) continue;
 283           cluster->GetPosition(pos);
 284
 285             TVector3 p2(pos);
 286
 287             fClusterPosition->Fill(p2.Phi(), p2.PseudoRapidity());
 288             fClusterEnergy->Fill(cluster->E());
 289             fClusterEt->Fill(TMath::Sin(p2.Theta())*cluster->E());
 290
 291             Double_t effCorrEt = CorrectForReconstructionEfficiency(*cluster,fClusterMult);
 292             fTotNeutralEt += effCorrEt;
 293             nominalRawEt += effCorrEt;
 294             nonlinHighRawEt += effCorrEt*GetCorrectionModification(*cluster,1,0,fClusterMult);
 295             nonlinLowRawEt += effCorrEt*GetCorrectionModification(*cluster,-1,0,fClusterMult);
 296             effHighRawEt += effCorrEt*GetCorrectionModification(*cluster,0,1,fClusterMult);
 297             effLowRawEt += effCorrEt*GetCorrectionModification(*cluster,0,-1,fClusterMult);
 298             fNeutralMultiplicity++;
 299         }
 300         fMultiplicity++;
 301     }
 302
 303     fChargedEnergyRemoved = GetChargedContribution(fNeutralMultiplicity);
 304     fNeutralEnergyRemoved = GetNeutralContribution(fNeutralMultiplicity);
 305     fHistChargedEnergyRemoved->Fill(fChargedEnergyRemoved, fNeutralMultiplicity);
 306     fHistNeutralEnergyRemoved->Fill(fNeutralEnergyRemoved, fNeutralMultiplicity);
 307
 308     fGammaEnergyAdded = GetGammaContribution(fNeutralMultiplicity);
 309     fHistGammaEnergyAdded->Fill(fGammaEnergyAdded, fNeutralMultiplicity);
 310
 311     Double_t removedEnergy = GetChargedContribution(fNeutralMultiplicity) + GetNeutralContribution(fNeutralMultiplicity) + GetGammaContribution(fNeutralMultiplicity) + GetSecondaryContribution(fNeutralMultiplicity);
 312     fHistRemovedEnergy->Fill(removedEnergy);
 313
 314     fTotNeutralEt = fGeomCorrection * fEMinCorrection * (fTotNeutralEt - removedEnergy);
 315     fTotEt = fTotChargedEt + fTotNeutralEt;
 316 // Fill the histograms...0
 317     FillHistograms();
 318     //std::cout << "fTotNeutralEt: " << fTotNeutralEt << ", Contribution from non-removed charged: " << GetChargedContribution(fNeutralMultiplicity) << ", neutral: " << GetNeutralContribution(fNeutralMultiplicity) << ", gammas: " << GetGammaContribution(fNeutralMultiplicity) << ", multiplicity: " << fNeutralMultiplicity<< std::endl;
 319     //cout<<"cent "<<cent<<" cluster mult "<<fClusterMult<<" fTotNeutralEt "<<fTotNeutralEt<<" nominalRawEt "<<nominalRawEt<<endl;
 320     fHistNominalRawEt->Fill(nominalRawEt,cent);
 321     fHistNominalNonLinHighEt->Fill(nonlinHighRawEt,cent);
 322     fHistNominalNonLinLowEt->Fill(nonlinLowRawEt,cent);
 323     fHistNominalEffHighEt->Fill(effHighRawEt,cent);
 324     fHistNominalEffLowEt->Fill(effLowRawEt,cent);
 325     fHistFoundHadronsvsCent->Fill(nChargedHadronsMeasured,cent);
 326     fHistNotFoundHadronsvsCent->Fill(nChargedHadronsTotal-nChargedHadronsMeasured,cent);
 327     fHistFoundHadronsEtvsCent->Fill(nChargedHadronsEtMeasured,cent);
 328     fHistNotFoundHadronsEtvsCent->Fill(nChargedHadronsEtTotal-nChargedHadronsEtMeasured,cent);
 329 //     cout<<"Number of hadrons measured:  "<<nChargedHadronsMeasured<<" Estimated total number of hadrons "<<nChargedHadronsTotal<<" ET in track matched hadrons "<<
 330 //       nChargedHadronsEtMeasured;
 331 //     if(nChargedHadronsMeasured>0)cout<<" ("<<nChargedHadronsEtMeasured/nChargedHadronsMeasured<<") ";
 332 //     cout<<" ET in all hadrons ";
 333 //     cout<<nChargedHadronsEtTotal;
 334 //     if(nChargedHadronsTotal>0) cout<<" ("<<nChargedHadronsEtTotal/nChargedHadronsTotal<<") ";
 335 //     cout<<endl;
 336     return 0;
 337 }
 338
 339 bool AliAnalysisEtReconstructed::CheckGoodVertex(AliVParticle* track)
 340 { // check vertex
 341
 342     Float_t bxy = 999.;
 343     Float_t bz = 999.;
 344     if (!track) {
 345         AliError("ERROR: no track");
 346         return kFALSE;
 347     }
 348     AliESDtrack *esdTrack = dynamic_cast<AliESDtrack*>(track);
 349     if (!esdTrack) {
 350         AliError("ERROR: no track");
 351         return kFALSE;
 352     }
 353     esdTrack->GetImpactParametersTPC(bxy,bz);
 354
 355
 356     bool status = (TMath::Abs(track->Xv()) < fCuts->GetReconstructedVertexXCut()) &&
 357                   (TMath::Abs(track->Yv()) < fCuts->GetReconstructedVertexYCut()) &&
 358                   (TMath::Abs(track->Zv()) < fCuts->GetReconstructedVertexZCut()) &&
 359                   (TMath::Abs(bxy) < fCuts->GetReconstructedIPxyCut()) &&
 360                   (TMath::Abs(bz) < fCuts->GetReconstructedIPzCut());
 361
 362     return status;
 363 }
 364
 365 void AliAnalysisEtReconstructed::Init()
 366 { // Init
 367     AliAnalysisEt::Init();
 368     fPidCut = fCuts->GetReconstructedPidCut();
 369     TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", 1., 1., AliMagF::k5kG));
 370     if (!fCorrections) {
 371         cout<<"Warning!  You have not set corrections.  Your code will crash.  You have to set the corrections."<<endl;
 372     }
 373 }
 374
 375 bool AliAnalysisEtReconstructed::TrackHitsCalorimeter(AliVParticle* track, Double_t magField)
 376 { // propagate track to detector radius
 377     if (!track) {
 378         cout<<"Warning: track empty"<<endl;
 379         return kFALSE;
 380     }
 381     AliESDtrack *esdTrack= dynamic_cast<AliESDtrack*>(track);
 382     if (!esdTrack) {
 383         AliError("ERROR: no ESD track");
 384         return kFALSE;
 385     }
 386     // Printf("Propagating track: eta: %f, phi: %f, pt: %f", esdTrack->Eta(), esdTrack->Phi(), esdTrack->Pt());
 387
 388     Bool_t prop = esdTrack->PropagateTo(fDetectorRadius, magField);
 389
 390     // if (prop) Printf("Track propagated, eta: %f, phi: %f, pt: %f", esdTrack->Eta(), esdTrack->Phi(), esdTrack->Pt());
 391     return prop && fSelector->CutGeometricalAcceptance(*esdTrack);
 392 }
 393
 394 void AliAnalysisEtReconstructed::FillOutputList(TList* list)
 395 { // add some extra histograms to the ones from base class
 396     AliAnalysisEt::FillOutputList(list);
 397
 398     list->Add(fHistChargedPionEnergyDeposit);
 399     list->Add(fHistProtonEnergyDeposit);
 400     list->Add(fHistAntiProtonEnergyDeposit);
 401     list->Add(fHistChargedKaonEnergyDeposit);
 402     list->Add(fHistMuonEnergyDeposit);
 403
 404     list->Add(fHistRemovedEnergy);
 405     list->Add(fClusterPosition);
 406     list->Add(fClusterEnergy);
 407     list->Add(fClusterEt);
 408
 409     list->Add(fHistChargedEnergyRemoved);
 410     list->Add(fHistNeutralEnergyRemoved);
 411     list->Add(fHistGammaEnergyAdded);
 412     list->Add(fHistMatchedTracksEvspTvsCent);
 413     list->Add(fHistMatchedTracksEvspTvsCentEffCorr);
 414     list->Add(fHistFoundHadronsvsCent);
 415     list->Add(fHistNotFoundHadronsvsCent);
 416     list->Add(fHistFoundHadronsEtvsCent);
 417     list->Add(fHistNotFoundHadronsEtvsCent);
 418     list->Add(fHistNominalRawEt);
 419     list->Add(fHistNominalNonLinHighEt);
 420     list->Add(fHistNominalNonLinLowEt);
 421     list->Add(fHistNominalEffHighEt);
 422     list->Add(fHistNominalEffLowEt);
 423 }
 424
 425 void AliAnalysisEtReconstructed::CreateHistograms()
 426 { // add some extra histograms to the ones from base class
 427     AliAnalysisEt::CreateHistograms();
 428
 429     Int_t nbinsEt = 1000;
 430     Double_t minEt = 0;
 431     Double_t maxEt = 10;
 432
 433     // possibly change histogram limits
 434 //     if (fCuts) {
 435 //         nbinsEt = fCuts->GetHistNbinsParticleEt();
 436 //         minEt = fCuts->GetHistMinParticleEt();
 437 //         maxEt = fCuts->GetHistMaxParticleEt();
 438 //     }
 439
 440     TString histname;
 441     histname = "fHistChargedPionEnergyDeposit" + fHistogramNameSuffix;
 442     fHistChargedPionEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by #pi^{+/-}", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
 443     fHistChargedPionEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
 444     fHistChargedPionEnergyDeposit->SetYTitle("Energy of track");
 445
 446     histname = "fHistProtonEnergyDeposit" + fHistogramNameSuffix;
 447     fHistProtonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by protons", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
 448     fHistProtonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
 449     fHistProtonEnergyDeposit->SetYTitle("Energy of track");
 450
 451     histname = "fHistAntiProtonEnergyDeposit" + fHistogramNameSuffix;
 452     fHistAntiProtonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by anti-protons", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
 453     fHistAntiProtonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
 454     fHistAntiProtonEnergyDeposit->SetYTitle("Energy of track");
 455
 456     histname = "fHistChargedKaonEnergyDeposit" + fHistogramNameSuffix;
 457     fHistChargedKaonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by K^{+/-}", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
 458     fHistChargedKaonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
 459     fHistChargedKaonEnergyDeposit->SetYTitle("Energy of track");
 460
 461     histname = "fHistMuonEnergyDeposit" + fHistogramNameSuffix;
 462     fHistMuonEnergyDeposit = new TH2F(histname.Data(), "Energy deposited by #mu^{+/-}", nbinsEt, minEt, maxEt, nbinsEt, minEt, maxEt);
 463     fHistMuonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
 464     fHistMuonEnergyDeposit->SetYTitle("Energy of track");
 465
 466     histname = "fHistRemovedEnergy" + fHistogramNameSuffix;
 467     fHistRemovedEnergy = new TH1F(histname.Data(), histname.Data(), 1000, 0, 20);
 468     //fHistMuonEnergyDeposit->SetXTitle("Energy deposited in calorimeter");
 469     //fHistMuonEnergyDeposit->SetYTitle("Energy of track");
 470
 471     histname = "fClusterPosition" + fHistogramNameSuffix;
 472     fClusterPosition = new TH2D(histname.Data(), "Position of accepted neutral clusters",1000, -2.0, -.5, 1000, -.13 , 0.13);
 473     fClusterPosition->SetXTitle("Energy deposited in calorimeter");
 474     fClusterPosition->SetYTitle("Energy of track");
 475
 476     histname = "fClusterEnergy" + fHistogramNameSuffix;
 477     fClusterEnergy = new TH1F(histname.Data(), histname.Data(), 100, 0, 5);
 478     fClusterEnergy->SetXTitle("Number of clusters");
 479     fClusterEnergy->SetYTitle("Energy of cluster");
 480
 481     histname = "fClusterEt" + fHistogramNameSuffix;
 482     fClusterEt = new TH1F(histname.Data(), histname.Data(), 100, 0, 5);
 483     fClusterEt->SetXTitle("Number of clusters");
 484     fClusterEt->SetYTitle("E_{T} of cluster");
 485
 486     histname = "fHistChargedEnergyRemoved" + fHistogramNameSuffix;
 487     fHistChargedEnergyRemoved = new TH2D(histname.Data(), histname.Data(), 1000, .0, 30, 100, -0.5 , 99.5);
 488
 489     histname = "fHistNeutralEnergyRemoved" + fHistogramNameSuffix;
 490     fHistNeutralEnergyRemoved = new TH2D(histname.Data(), histname.Data(), 1000, .0, 30, 100, -0.5 , 99.5);
 491
 492     histname = "fHistGammaEnergyAdded" + fHistogramNameSuffix;
 493     fHistGammaEnergyAdded = new TH2D(histname.Data(), histname.Data(), 1000, .0, 30, 100, -0.5 , 99.5);
 494
 495     fHistMatchedTracksEvspTvsCent = new TH3F("fHistMatchedTracksEvspTvsCent", "fHistMatchedTracksEvspTvsCent",100, 0, 3,100,0,3,20,0,20);
 496     fHistMatchedTracksEvspTvsCentEffCorr = new TH3F("fHistMatchedTracksEvspTvsCentEffCorr", "fHistMatchedTracksEvspTvsCentEffCorr",100, 0, 3,100,0,3,20,0,20);
 497     fHistFoundHadronsvsCent = new TH2F("fHistFoundHadronsvsCent","fHistFoundHadronsvsCent",100,0,100,20,0,20);
 498     fHistNotFoundHadronsvsCent = new TH2F("fHistNotFoundHadronsvsCent","fHistNotFoundHadronsvsCent",100,0,200,20,0,20);
 499     fHistFoundHadronsEtvsCent = new TH2F("fHistFoundHadronsEtvsCent","fHistFoundHadronsEtvsCent",100,0,200,20,0,20);
 500     fHistNotFoundHadronsEtvsCent = new TH2F("fHistNotFoundHadronsEtvsCent","fHistNotFoundHadronsEtvsCent",100,0,300,20,0,20);
 501
 502     maxEt = 100;
 503     histname = "fHistNominalRawEt" + fHistogramNameSuffix;
 504     fHistNominalRawEt = new TH2D(histname.Data(), histname.Data(),nbinsEt,minEt,maxEt,20,-0.5,19.5);
 505     histname = "fHistNominalNonLinHighEt" + fHistogramNameSuffix;
 506     fHistNominalNonLinHighEt = new TH2D(histname.Data(), histname.Data(),nbinsEt,minEt,maxEt,20,-0.5,19.5);
 507     histname = "fHistNominalNonLinLowEt" + fHistogramNameSuffix;
 508     fHistNominalNonLinLowEt = new TH2D(histname.Data(), histname.Data(),nbinsEt,minEt,maxEt,20,-0.5,19.5);
 509     histname = "fHistNominalEffHighEt" + fHistogramNameSuffix;
 510     fHistNominalEffHighEt = new TH2D(histname.Data(), histname.Data(),nbinsEt,minEt,maxEt,20,-0.5,19.5);
 511     histname = "fHistNominalEffLowEt" + fHistogramNameSuffix;
 512     fHistNominalEffLowEt = new TH2D(histname.Data(), histname.Data(),nbinsEt,minEt,maxEt,20,-0.5,19.5);
 513
 514 }
 515 Double_t AliAnalysisEtReconstructed::ApplyModifiedCorrections(const AliESDCaloCluster& cluster,Int_t nonLinCorr, Int_t effCorr, Int_t mult)
 516 {
 517   Float_t pos[3];
 518   cluster.GetPosition(pos);
 519   TVector3 cp(pos);
 520   Double_t corrEnergy = fReCorrections->CorrectedEnergy(cluster.E(),mult);
 521
 522   Double_t factorNonLin = GetCorrectionModification(cluster, nonLinCorr,effCorr,mult);
 523
 524   //std::cout << "Original energy: " << cluster.E() << ", corrected energy: " << corrEnergy << std::endl;
 525   return TMath::Sin(cp.Theta())*corrEnergy*factorNonLin;
 526 }
 527
 528 Double_t AliAnalysisEtReconstructed::GetCorrectionModification(const AliESDCaloCluster& cluster,Int_t nonLinCorr, Int_t effCorr, Int_t mult){//nonLinCorr 0 = nominal 1 = high -1 = low, effCorr  0 = nominal 1 = high -1 = low
 529   if(nonLinCorr==0){
 530     cout<<"Warning:  This function should not get called!"<<endl;//this statement is basically here to avoid a compilation warning
 531   }
 532   if(effCorr==0){
 533     cout<<"Warning:  This function should not get called!"<<endl;//this statement is basically here to avoid a compilation warning
 534   }
 535   return cluster.E()*mult;
 536 }