| ad869500 |
1 | |
| 2 | // ****************************************** |
| 3 | // This task computes several jet observables like |
| 4 | // the fraction of energy in inner and outer coronnas, |
| 5 | // jet-track correlations,triggered jet shapes and |
| 6 | // correlation strength distribution of particles inside jets. |
| 7 | // Author: lcunquei@cern.ch |
| 8 | // ******************************************* |
| 9 | |
| 10 | |
| 11 | /************************************************************************** |
| 12 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| 13 | * * |
| 14 | * Author: The ALICE Off-line Project. * |
| 15 | * Contributors are mentioned in the code where appropriate. * |
| 16 | * * |
| 17 | * Permission to use, copy, modify and distribute this software and its * |
| 18 | * documentation strictly for non-commercial purposes is hereby granted * |
| 19 | * without fee, provided that the above copyright notice appears in all * |
| 20 | * copies and that both the copyright notice and this permission notice * |
| 21 | * appear in the supporting documentation. The authors make no claims * |
| 22 | * about the suitability of this software for any purpose. It is * |
| 23 | * provided "as is" without express or implied warranty. * |
| 24 | **************************************************************************/ |
| 25 | |
| 26 | |
| 27 | #include "TChain.h" |
| 28 | #include "TTree.h" |
| 29 | #include "TMath.h" |
| 30 | #include "TH1F.h" |
| 31 | #include "TH1D.h" |
| 32 | #include "TH2F.h" |
| 33 | #include "TH3F.h" |
| 34 | #include "THnSparse.h" |
| 35 | #include "TCanvas.h" |
| 36 | |
| 37 | #include "AliLog.h" |
| 38 | |
| 39 | #include "AliAnalysisTask.h" |
| 40 | #include "AliAnalysisManager.h" |
| 41 | |
| 42 | #include "AliVEvent.h" |
| 43 | #include "AliESDEvent.h" |
| 44 | #include "AliESDInputHandler.h" |
| 45 | #include "AliCentrality.h" |
| 46 | #include "AliAnalysisHelperJetTasks.h" |
| 47 | #include "AliInputEventHandler.h" |
| 48 | #include "AliAODJetEventBackground.h" |
| 49 | #include "AliAODMCParticle.h" |
| 50 | //#include "AliAnalysisTaskFastEmbedding.h" |
| 51 | #include "AliAODEvent.h" |
| 52 | #include "AliAODHandler.h" |
| 53 | #include "AliAODJet.h" |
| 54 | |
| 55 | #include "AliAnalysisTaskJetCorePP.h" |
| 56 | |
| 57 | using std::cout; |
| 58 | using std::endl; |
| 59 | |
| 60 | ClassImp(AliAnalysisTaskJetCorePP) |
| 61 | |
| 62 | //Filip Krizek 1st March 2013 |
| 63 | |
| 64 | //--------------------------------------------------------------------- |
| 65 | AliAnalysisTaskJetCorePP::AliAnalysisTaskJetCorePP() : |
| 66 | AliAnalysisTaskSE(), |
| 67 | fESD(0x0), |
| 68 | fAODIn(0x0), |
| 69 | fAODOut(0x0), |
| 70 | fAODExtension(0x0), |
| 71 | fJetBranchName(""), |
| 72 | //fListJets(0x0), |
| 73 | fNonStdFile(""), |
| 74 | fSystem(0), //pp=0 pPb=1 |
| 75 | fJetParamR(0.4), |
| 76 | fOfflineTrgMask(AliVEvent::kAny), |
| 77 | fMinContribVtx(1), |
| 78 | fVtxZMin(-10.0), |
| 79 | fVtxZMax(10.0), |
| 80 | fFilterMask(0), |
| 81 | fCentMin(0.0), |
| 82 | fCentMax(100.0), |
| 83 | fJetEtaMin(-0.5), |
| 84 | fJetEtaMax(0.5), |
| 85 | fTriggerEtaCut(0.9), |
| 86 | fTrackEtaCut(0.9), |
| 87 | fTrackLowPtCut(0.15), |
| 88 | fOutputList(0x0), |
| 89 | fHistEvtSelection(0x0), |
| 90 | fh2Ntriggers(0x0), |
| 91 | fHJetSpec(0x0), |
| 92 | fHJetDensity(0x0), |
| 93 | fHJetDensityA4(0x0), |
| 94 | fhJetPhi(0x0), |
| 95 | fhTriggerPhi(0x0), |
| 96 | fhJetEta(0x0), |
| 97 | fhTriggerEta(0x0), |
| 98 | fhVertexZ(0x0), |
| 99 | fhVertexZAccept(0x0), |
| 100 | fhContribVtx(0x0), |
| 101 | fhContribVtxAccept(0x0), |
| 102 | fhDphiTriggerJet(0x0), |
| 103 | fhDphiTriggerJetAccept(0x0), |
| 104 | fhCentrality(0x0), |
| 105 | fhCentralityAccept(0x0), |
| 106 | fkAcceptance(2.0*TMath::Pi()*1.8) |
| 107 | { |
| 108 | // default Constructor |
| 109 | fListJets = new TList(); |
| 110 | } |
| 111 | |
| 112 | //--------------------------------------------------------------------- |
| 113 | |
| 114 | AliAnalysisTaskJetCorePP::AliAnalysisTaskJetCorePP(const char *name) : |
| 115 | AliAnalysisTaskSE(name), |
| 116 | fESD(0x0), |
| 117 | fAODIn(0x0), |
| 118 | fAODOut(0x0), |
| 119 | fAODExtension(0x0), |
| 120 | fJetBranchName(""), |
| 121 | //fListJets(0x0), |
| 122 | fNonStdFile(""), |
| 123 | fSystem(0), //pp=0 pPb=1 |
| 124 | fJetParamR(0.4), |
| 125 | fOfflineTrgMask(AliVEvent::kAny), |
| 126 | fMinContribVtx(1), |
| 127 | fVtxZMin(-10.0), |
| 128 | fVtxZMax(10.0), |
| 129 | fFilterMask(0), |
| 130 | fCentMin(0.0), |
| 131 | fCentMax(100.0), |
| 132 | fJetEtaMin(-0.5), |
| 133 | fJetEtaMax(0.5), |
| 134 | fTriggerEtaCut(0.9), |
| 135 | fTrackEtaCut(0.9), |
| 136 | fTrackLowPtCut(0.15), |
| 137 | fOutputList(0x0), |
| 138 | fHistEvtSelection(0x0), |
| 139 | fh2Ntriggers(0x0), |
| 140 | fHJetSpec(0x0), |
| 141 | fHJetDensity(0x0), |
| 142 | fHJetDensityA4(0x0), |
| 143 | fhJetPhi(0x0), |
| 144 | fhTriggerPhi(0x0), |
| 145 | fhJetEta(0x0), |
| 146 | fhTriggerEta(0x0), |
| 147 | fhVertexZ(0x0), |
| 148 | fhVertexZAccept(0x0), |
| 149 | fhContribVtx(0x0), |
| 150 | fhContribVtxAccept(0x0), |
| 151 | fhDphiTriggerJet(0x0), |
| 152 | fhDphiTriggerJetAccept(0x0), |
| 153 | fhCentrality(0x0), |
| 154 | fhCentralityAccept(0x0), |
| 155 | fkAcceptance(2.0*TMath::Pi()*1.8) |
| 156 | { |
| 157 | // Constructor |
| 158 | fListJets = new TList(); |
| 159 | |
| 160 | DefineOutput(1, TList::Class()); |
| 161 | } |
| 162 | |
| 163 | //-------------------------------------------------------------- |
| 164 | AliAnalysisTaskJetCorePP::AliAnalysisTaskJetCorePP(const AliAnalysisTaskJetCorePP& a): |
| 165 | AliAnalysisTaskSE(a.GetName()), |
| 166 | fESD(a.fESD), |
| 167 | fAODIn(a.fAODIn), |
| 168 | fAODOut(a.fAODOut), |
| 169 | fAODExtension(a.fAODExtension), |
| 170 | fJetBranchName(a.fJetBranchName), |
| 171 | fListJets(a.fListJets), |
| 172 | fNonStdFile(a.fNonStdFile), |
| 173 | fSystem(a.fSystem), |
| 174 | fJetParamR(a.fJetParamR), |
| 175 | fOfflineTrgMask(a.fOfflineTrgMask), |
| 176 | fMinContribVtx(a.fMinContribVtx), |
| 177 | fVtxZMin(a.fVtxZMin), |
| 178 | fVtxZMax(a.fVtxZMax), |
| 179 | fFilterMask(a.fFilterMask), |
| 180 | fCentMin(a.fCentMin), |
| 181 | fCentMax(a.fCentMax), |
| 182 | fJetEtaMin(a.fJetEtaMin), |
| 183 | fJetEtaMax(a.fJetEtaMax), |
| 184 | fTriggerEtaCut(a.fTriggerEtaCut), |
| 185 | fTrackEtaCut(a.fTrackEtaCut), |
| 186 | fTrackLowPtCut(a.fTrackLowPtCut), |
| 187 | fOutputList(a.fOutputList), |
| 188 | fHistEvtSelection(a.fHistEvtSelection), |
| 189 | fh2Ntriggers(a.fh2Ntriggers), |
| 190 | fHJetSpec(a.fHJetSpec), |
| 191 | fHJetDensity(a.fHJetDensity), |
| 192 | fHJetDensityA4(a.fHJetDensityA4), |
| 193 | fhJetPhi(a.fhJetPhi), |
| 194 | fhTriggerPhi(a.fhTriggerPhi), |
| 195 | fhJetEta(a.fhJetEta), |
| 196 | fhTriggerEta(a.fhTriggerEta), |
| 197 | fhVertexZ(a.fhVertexZ), |
| 198 | fhVertexZAccept(a.fhVertexZAccept), |
| 199 | fhContribVtx(a.fhContribVtx), |
| 200 | fhContribVtxAccept(a.fhContribVtxAccept), |
| 201 | fhDphiTriggerJet(a.fhDphiTriggerJet), |
| 202 | fhDphiTriggerJetAccept(a.fhDphiTriggerJetAccept), |
| 203 | fhCentrality(a.fhCentrality), |
| 204 | fhCentralityAccept(a.fhCentralityAccept), |
| 205 | fkAcceptance(a.fkAcceptance) |
| 206 | { |
| 207 | //Copy Constructor |
| 208 | } |
| 209 | //-------------------------------------------------------------- |
| 210 | |
| 211 | AliAnalysisTaskJetCorePP& AliAnalysisTaskJetCorePP::operator = (const AliAnalysisTaskJetCorePP& a){ |
| 212 | // assignment operator |
| 213 | this->~AliAnalysisTaskJetCorePP(); |
| 214 | new(this) AliAnalysisTaskJetCorePP(a); |
| 215 | return *this; |
| 216 | } |
| 217 | //-------------------------------------------------------------- |
| 218 | |
| 219 | AliAnalysisTaskJetCorePP::~AliAnalysisTaskJetCorePP() |
| 220 | { |
| 221 | //Destructor |
| 222 | delete fListJets; |
| 223 | delete fOutputList; // ???? |
| 224 | } |
| 225 | |
| 226 | //-------------------------------------------------------------- |
| 227 | |
| 228 | void AliAnalysisTaskJetCorePP::Init() |
| 229 | { |
| 230 | // check for jet branches |
| 231 | if(!strlen(fJetBranchName.Data())){ |
| 232 | AliError("Jet branch name not set."); |
| 233 | } |
| 234 | |
| 235 | } |
| 236 | |
| 237 | //-------------------------------------------------------------- |
| 238 | |
| 239 | void AliAnalysisTaskJetCorePP::UserCreateOutputObjects() |
| 240 | { |
| 241 | |
| 242 | |
| 243 | // Create histograms |
| 244 | // Called once |
| 245 | OpenFile(1); |
| 246 | if(!fOutputList) fOutputList = new TList(); |
| 247 | fOutputList->SetOwner(kTRUE); |
| 248 | |
| 249 | Bool_t oldStatus = TH1::AddDirectoryStatus(); |
| 250 | TH1::AddDirectory(kFALSE); |
| 251 | |
| 252 | fHistEvtSelection = new TH1I("fHistEvtSelection", "event selection", 6, -0.5, 5.5); |
| 253 | fHistEvtSelection->GetXaxis()->SetBinLabel(1,"ACCEPTED"); |
| 254 | fHistEvtSelection->GetXaxis()->SetBinLabel(2,"events IN"); |
| 255 | fHistEvtSelection->GetXaxis()->SetBinLabel(3,"event selection (rejected)"); |
| 256 | fHistEvtSelection->GetXaxis()->SetBinLabel(4,"vertex cut (rejected)"); |
| 257 | fHistEvtSelection->GetXaxis()->SetBinLabel(5,"centrality (rejected)"); |
| 258 | fHistEvtSelection->GetXaxis()->SetBinLabel(6,"multiplicity (rejected)"); |
| 259 | |
| 260 | fOutputList->Add(fHistEvtSelection); |
| 261 | |
| 262 | Int_t nBinsCentrality = (fSystem==0) ? 1 : 10; // pp=1 else 10 |
| 263 | |
| 264 | fh2Ntriggers = new TH2F("fh2Ntriggers","# of triggers", |
| 265 | nBinsCentrality,0.0,100.0,50,0.0,50.0); |
| 266 | |
| 267 | //Centrality, A, pT - rho*A, pTtrigg, pT, rho*A |
| 268 | const Int_t dimSpec = 6; |
| 269 | const Int_t nBinsSpec[dimSpec] = {nBinsCentrality, 100, 140, 50, 100, 50}; |
| 270 | const Double_t lowBinSpec[dimSpec] = {0.0, 0.0,-80.0, 0.0, 0.0, 0.0}; |
| 271 | const Double_t hiBinSpec[dimSpec] = {100.0, 1.0,200.0,50.0, 200, 20.0}; |
| 272 | fHJetSpec = new THnSparseF("fHJetSpec","Recoil jet spectrum [cent,A,pT-rho*A,pTtrig]", |
| 273 | dimSpec,nBinsSpec,lowBinSpec,hiBinSpec); |
| 274 | fOutputList->Add(fHJetSpec); |
| 275 | |
| 276 | //------------------- HISTOS FOR DIAGNOSTIC ---------------------- |
| 277 | //Jet number density histos [Trk Mult, jet density, pT trigger] |
| 278 | const Int_t dimJetDens = 3; |
| 279 | const Int_t nBinsJetDens[dimJetDens] = {100, 100, 10}; |
| 280 | const Double_t lowBinJetDens[dimJetDens] = {0.0, 0.0, 0.0}; |
| 281 | const Double_t hiBinJetDens[dimJetDens] = {500.0, 5.0, 50.0 }; |
| 282 | |
| 283 | fHJetDensity = new THnSparseF("fHJetDensity","Jet dens vs trk mult A>0.07", |
| 284 | dimJetDens,nBinsJetDens,lowBinJetDens,hiBinJetDens); |
| 285 | |
| 286 | fHJetDensityA4 =new THnSparseF("fHJetDensityA4","Jet dens vs trk mult A>0.4", |
| 287 | dimJetDens,nBinsJetDens,lowBinJetDens,hiBinJetDens); |
| 288 | |
| 289 | fOutputList->Add(fh2Ntriggers); |
| 290 | fOutputList->Add(fHJetDensity); |
| 291 | fOutputList->Add(fHJetDensityA4); |
| 292 | |
| 293 | |
| 294 | //inclusive azimuthal and pseudorapidity histograms |
| 295 | fhJetPhi = new TH1D("fhJetPhi","Azim dist jets",50,-TMath::Pi(),TMath::Pi()); |
| 296 | fhTriggerPhi= new TH1D("fhTriggerPhi","azim dist trig had",50,-TMath::Pi(),TMath::Pi()); |
| 297 | fhJetEta = new TH1D("fhJetEta","Eta dist jets",40,-0.9,0.9); |
| 298 | fhTriggerEta = new TH1D("fhTriggerEta","Eta dist trig had",40,-0.9,0.9); |
| 299 | fhVertexZ = new TH1D("fhVertexZ","z vertex",40,-20,20); |
| 300 | fhVertexZAccept = new TH1D("fhVertexZAccept","z vertex after cut",40,-20,20); |
| 301 | fhContribVtx = new TH1D("fhContribVtx","contrib to vtx",200,0,200); |
| 302 | fhContribVtxAccept = new TH1D("fhContribVtxAccept","contrib to vtx after cut",200,0,200); |
| 303 | fhDphiTriggerJet = new TH1D("fhDphiTriggerJet","Deltaphi trig-jet",50, -TMath::Pi(),TMath::Pi()); |
| 304 | fhDphiTriggerJetAccept = new TH1D("fhDphiTriggerJetAccept","Deltaphi trig-jet after cut",50, -TMath::Pi(),TMath::Pi()); |
| 305 | fhCentrality = new TH1D("fhCentrality","Centrality",20,0,100); |
| 306 | fhCentralityAccept = new TH1D("fhCentralityAccept","Centrality after cut",20,0,100); |
| 307 | |
| 308 | fOutputList->Add(fhJetPhi); |
| 309 | fOutputList->Add(fhTriggerPhi); |
| 310 | fOutputList->Add(fhJetEta); |
| 311 | fOutputList->Add(fhTriggerEta); |
| 312 | fOutputList->Add(fhVertexZ); |
| 313 | fOutputList->Add(fhVertexZAccept); |
| 314 | fOutputList->Add(fhContribVtx); |
| 315 | fOutputList->Add(fhContribVtxAccept); |
| 316 | fOutputList->Add(fhDphiTriggerJet); |
| 317 | fOutputList->Add(fhDphiTriggerJetAccept); |
| 318 | fOutputList->Add(fhCentrality); |
| 319 | fOutputList->Add(fhCentralityAccept); |
| 320 | |
| 321 | |
| 322 | // =========== Switch on Sumw2 for all histos =========== |
| 323 | for(Int_t i=0; i<fOutputList->GetEntries(); i++){ |
| 324 | TH1 *h1 = dynamic_cast<TH1*>(fOutputList->At(i)); |
| 325 | if(h1){ |
| 326 | h1->Sumw2(); |
| 327 | continue; |
| 328 | } |
| 329 | THnSparse *hn = dynamic_cast<THnSparse*>(fOutputList->At(i)); |
| 330 | if(hn){ |
| 331 | hn->Sumw2(); |
| 332 | } |
| 333 | } |
| 334 | TH1::AddDirectory(oldStatus); |
| 335 | |
| 336 | PostData(1, fOutputList); |
| 337 | } |
| 338 | |
| 339 | //-------------------------------------------------------------------- |
| 340 | |
| 341 | void AliAnalysisTaskJetCorePP::UserExec(Option_t *) |
| 342 | { |
| 343 | |
| 344 | //Event loop |
| 345 | |
| 346 | if(TMath::Abs((Float_t) fJetParamR)<0.00001){ |
| 347 | AliError("Cone radius is set to zero."); |
| 348 | return; |
| 349 | } |
| 350 | if(!strlen(fJetBranchName.Data())){ |
| 351 | AliError("Jet branch name not set."); |
| 352 | return; |
| 353 | } |
| 354 | |
| 355 | fESD = dynamic_cast<AliESDEvent*>(InputEvent()); |
| 356 | if(!fESD){ |
| 357 | AliError("ESD not available"); |
| 358 | fAODIn = dynamic_cast<AliAODEvent*>(InputEvent()); |
| 359 | } |
| 360 | |
| 361 | fAODOut = dynamic_cast<AliAODEvent*>(AODEvent()); |
| 362 | AliAODEvent* aod = NULL; |
| 363 | // take all other information from the aod we take the tracks from |
| 364 | if(!aod){ |
| 365 | if(!fESD) aod = fAODIn; |
| 366 | else aod = fAODOut; |
| 367 | } |
| 368 | |
| 369 | if(fNonStdFile.Length()!=0){ |
| 370 | // case that we have an AOD extension we can fetch the jets from the extended output |
| 371 | AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler()); |
| 372 | fAODExtension = aodH ? aodH->GetExtension(fNonStdFile.Data()) : 0; |
| 373 | if(!fAODExtension){ |
| 374 | if(fDebug>1) Printf("AODExtension found for %s",fNonStdFile.Data()); |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | // ----------------- event selection -------------------------- |
| 379 | fHistEvtSelection->Fill(1); // number of events before event selection |
| 380 | |
| 381 | // physics selection |
| 382 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) |
| 383 | ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler()); |
| 384 | |
| 385 | if(!(inputHandler->IsEventSelected() & fOfflineTrgMask)){ |
| 386 | if(fDebug) Printf(" Trigger Selection: event REJECTED ... "); |
| 387 | fHistEvtSelection->Fill(2); |
| 388 | PostData(1, fOutputList); |
| 389 | return; |
| 390 | } |
| 391 | |
| 392 | //check AOD pointer |
| 393 | if(!aod){ |
| 394 | if(fDebug) Printf("%s:%d No AOD",(char*)__FILE__,__LINE__); |
| 395 | fHistEvtSelection->Fill(3); |
| 396 | PostData(1, fOutputList); |
| 397 | return; |
| 398 | } |
| 399 | |
| 400 | // vertex selection |
| 401 | AliAODVertex* primVtx = aod->GetPrimaryVertex(); |
| 402 | |
| 403 | if(!primVtx){ |
| 404 | if(fDebug) Printf("%s:%d No primVtx",(char*)__FILE__,__LINE__); |
| 405 | fHistEvtSelection->Fill(3); |
| 406 | PostData(1, fOutputList); |
| 407 | return; |
| 408 | } |
| 409 | |
| 410 | Int_t nTracksPrim = primVtx->GetNContributors(); |
| 411 | Float_t vtxz = primVtx->GetZ(); |
| 412 | //Input events |
| 413 | fhContribVtx->Fill(nTracksPrim); |
| 414 | if( nTracksPrim > 0 ) fhVertexZ->Fill(vtxz); |
| 415 | |
| 416 | if((nTracksPrim < fMinContribVtx) || |
| 417 | (vtxz < fVtxZMin) || |
| 418 | (vtxz > fVtxZMax)){ |
| 419 | if(fDebug) Printf("%s:%d primary vertex z = %f: event REJECTED...", |
| 420 | (char*)__FILE__,__LINE__,vtxz); |
| 421 | fHistEvtSelection->Fill(3); |
| 422 | PostData(1, fOutputList); |
| 423 | return; |
| 424 | }else{ |
| 425 | //Accepted events |
| 426 | fhContribVtxAccept->Fill(nTracksPrim); |
| 427 | fhVertexZAccept->Fill(vtxz); |
| 428 | } |
| 429 | //FK// No event class selection imposed |
| 430 | // event class selection (from jet helper task) |
| 431 | //Int_t eventClass = AliAnalysisHelperJetTasks::EventClass(); |
| 432 | //if(fDebug) Printf("Event class %d", eventClass); |
| 433 | //if(eventClass < fEvtClassMin || eventClass > fEvtClassMax){ |
| 434 | // fHistEvtSelection->Fill(4); |
| 435 | // PostData(1, fOutputList); |
| 436 | // return; |
| 437 | //} |
| 438 | |
| 439 | // centrality selection |
| 440 | AliCentrality *cent = 0x0; |
| 441 | Double_t centValue = 0.0; |
| 442 | if(fSystem){ //fSystem=0 for pp, fSystem=1 for pPb |
| 443 | if(fESD){ |
| 444 | cent = fESD->GetCentrality(); |
| 445 | if(cent) centValue = cent->GetCentralityPercentile("V0M"); |
| 446 | }else{ |
| 447 | centValue = aod->GetHeader()->GetCentrality(); |
| 448 | } |
| 449 | if(fDebug) printf("centrality: %f\n", centValue); |
| 450 | //Input events |
| 451 | fhCentrality->Fill(centValue); |
| 452 | |
| 453 | if(centValue < fCentMin || centValue > fCentMax){ |
| 454 | fHistEvtSelection->Fill(4); |
| 455 | PostData(1, fOutputList); |
| 456 | return; |
| 457 | }else{ |
| 458 | //Accepted events |
| 459 | fhCentralityAccept->Fill( centValue ); |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | if(fDebug) std::cout<<" ACCEPTED EVENT "<<endl; |
| 464 | |
| 465 | fHistEvtSelection->Fill(0); // accepted events |
| 466 | |
| 467 | // ------------------- end event selection -------------------- |
| 468 | |
| 469 | // fetch jets |
| 470 | TClonesArray *aodJets = 0x0; |
| 471 | |
| 472 | if(fAODOut && !aodJets){ |
| 473 | aodJets = dynamic_cast<TClonesArray*>(fAODOut->FindListObject(fJetBranchName.Data())); |
| 474 | } |
| 475 | if(fAODExtension && !aodJets){ |
| 476 | aodJets = dynamic_cast<TClonesArray*>(fAODExtension->GetAOD()->FindListObject(fJetBranchName.Data())); |
| 477 | } |
| 478 | if(fAODIn && !aodJets){ |
| 479 | aodJets = dynamic_cast<TClonesArray*>(fAODIn->FindListObject(fJetBranchName.Data())); |
| 480 | } |
| 481 | |
| 482 | // ------------- Hadron trigger -------------- |
| 483 | TList particleList; //list of tracks |
| 484 | Int_t indexTrigg = GetListOfTracks(&particleList); //index of trigger hadron in Particle list |
| 485 | |
| 486 | if(indexTrigg<0) return; // no trigger track found |
| 487 | |
| 488 | AliVParticle *triggerHadron = (AliVParticle*) particleList.At(indexTrigg); |
| 489 | if(!triggerHadron){ |
| 490 | PostData(1, fOutputList); |
| 491 | return; |
| 492 | } |
| 493 | |
| 494 | |
| 495 | fh2Ntriggers->Fill(centValue,triggerHadron->Pt()); //trigger pT |
| 496 | |
| 497 | // if(triggerHadron->Pt() > 10.0){} |
| 498 | if(triggerHadron->Pt() > 3.0){ |
| 499 | //Trigger Diagnostics--------------------------------- |
| 500 | fhTriggerPhi->Fill(RelativePhi(triggerHadron->Phi(),0.0)); //phi -pi,pi |
| 501 | fhTriggerEta->Fill(triggerHadron->Eta()); |
| 502 | } |
| 503 | |
| 504 | //--------- Fill list of jets -------------- |
| 505 | fListJets->Clear(); |
| 506 | if(aodJets){ |
| 507 | if(fDebug) Printf("########## %s: %d jets",fJetBranchName.Data(), |
| 508 | aodJets->GetEntriesFast()); |
| 509 | for(Int_t iJet = 0; iJet < aodJets->GetEntriesFast(); iJet++) { |
| 510 | AliAODJet *jet = dynamic_cast<AliAODJet*>((*aodJets)[iJet]); |
| 511 | if (jet) fListJets->Add(jet); |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | Double_t etaJet = 0.0; |
| 516 | Double_t pTJet = 0.0; |
| 517 | Double_t areaJet = 0.0; |
| 518 | Double_t phiJet = 0.0; |
| 519 | Int_t injet4 = 0; |
| 520 | Int_t injet = 0; |
| 521 | //---------- jet loop --------- |
| 522 | for(Int_t ij=0; ij<fListJets->GetEntries(); ij++){ |
| 523 | AliAODJet* jet = (AliAODJet*)(fListJets->At(ij)); |
| 524 | if(!jet) continue; |
| 525 | etaJet = jet->Eta(); |
| 526 | phiJet = jet->Phi(); |
| 527 | pTJet = jet->Pt(); |
| 528 | if(pTJet==0) continue; |
| 529 | |
| 530 | if((etaJet<fJetEtaMin) || (etaJet>fJetEtaMax)) continue; |
| 531 | areaJet = jet->EffectiveAreaCharged(); |
| 532 | |
| 533 | //Jet Diagnostics--------------------------------- |
| 534 | fhJetPhi->Fill(RelativePhi(phiJet,0.0)); //phi -pi,pi |
| 535 | fhJetEta->Fill(etaJet); |
| 536 | if(areaJet >= 0.07) injet++; |
| 537 | if(areaJet >= 0.4) injet4++; |
| 538 | //-------------------------------------------------- |
| 539 | |
| 540 | Double_t dphi = RelativePhi(triggerHadron->Phi(), phiJet); |
| 541 | |
| 542 | fhDphiTriggerJet->Fill(dphi); //Input |
| 543 | if(TMath::Abs((Double_t) dphi) < TMath::Pi()-0.6) continue; |
| 544 | fhDphiTriggerJetAccept->Fill(dphi); //Accepted |
| 545 | |
| 546 | //Background w.r.t. jet axis |
| 547 | Double_t pTBckWrtJet = |
| 548 | GetBackgroundInPerpCone(fJetParamR, phiJet, etaJet, &particleList); |
| 549 | |
| 550 | Double_t ratioOfAreas = areaJet/(TMath::Pi()*fJetParamR*fJetParamR); |
| 551 | Double_t rhoA = ratioOfAreas*pTBckWrtJet; //bg activity in a cone of similar size |
| 552 | Double_t ptcorr = pTJet - rhoA; //Pt Jet UE subtr |
| 553 | |
| 554 | |
| 555 | //Centrality, A, pT - rho*A, pTtrigg, pT, rho*A |
| 556 | Double_t fillspec[] = { centValue, |
| 557 | areaJet, |
| 558 | ptcorr, |
| 559 | triggerHadron->Pt(), |
| 560 | pTJet, |
| 561 | rhoA |
| 562 | }; |
| 563 | fHJetSpec->Fill(fillspec); |
| 564 | |
| 565 | }//jet loop |
| 566 | |
| 567 | //Fill Jet Density In the Event A>0.07 |
| 568 | if(injet>0){ |
| 569 | Double_t filldens[]={ (Double_t) particleList.GetEntries(), |
| 570 | injet/fkAcceptance, |
| 571 | triggerHadron->Pt() |
| 572 | }; |
| 573 | fHJetDensity->Fill(filldens); |
| 574 | } |
| 575 | |
| 576 | //Fill Jet Density In the Event A>0.4 |
| 577 | if(injet4>0){ |
| 578 | Double_t filldens4[]={ (Double_t) particleList.GetEntries(), |
| 579 | injet4/fkAcceptance, |
| 580 | triggerHadron->Pt() |
| 581 | }; |
| 582 | fHJetDensityA4->Fill(filldens4); |
| 583 | } |
| 584 | |
| 585 | PostData(1, fOutputList); |
| 586 | } |
| 587 | |
| 588 | //---------------------------------------------------------------------------- |
| 589 | void AliAnalysisTaskJetCorePP::Terminate(const Option_t *) |
| 590 | { |
| 591 | // Draw result to the screen |
| 592 | // Called once at the end of the query |
| 593 | |
| 594 | if(fDebug) printf("AliAnalysisTaskJetCorePP DONE\n"); |
| 595 | if(!GetOutputData(1)) return; |
| 596 | } |
| 597 | |
| 598 | |
| 599 | //---------------------------------------------------------------------------- |
| 600 | Int_t AliAnalysisTaskJetCorePP::GetListOfTracks(TList *list){ |
| 601 | //Fill the list of accepted tracks (passed track cut) |
| 602 | //return consecutive index of the hardest ch hadron in the list |
| 603 | Int_t iCount = 0; |
| 604 | AliAODEvent *aodevt = NULL; |
| 605 | |
| 606 | if(!fESD) aodevt = fAODIn; |
| 607 | else aodevt = fAODOut; |
| 608 | |
| 609 | if(!aodevt) return -1; |
| 610 | |
| 611 | Int_t index = -1; //index of the highest particle in the list |
| 612 | Double_t ptmax = -10; |
| 613 | |
| 614 | for(int it = 0; it < aodevt->GetNumberOfTracks(); it++){ |
| 615 | AliAODTrack *tr = aodevt->GetTrack(it); |
| 616 | |
| 617 | //if((fFilterMask > 0) && !(tr->TestFilterBit(fFilterMask))) continue; |
| 618 | if((fFilterMask > 0) && !(tr->IsHybridGlobalConstrainedGlobal())) continue; |
| 619 | if(TMath::Abs((Float_t) tr->Eta()) > fTrackEtaCut) continue; |
| 620 | if(tr->Pt() < fTrackLowPtCut) continue; |
| 621 | list->Add(tr); |
| 622 | if(tr->Pt()>ptmax){ |
| 623 | ptmax = tr->Pt(); |
| 624 | index = iCount; |
| 625 | } |
| 626 | iCount++; |
| 627 | } |
| 628 | |
| 629 | if(index>-1){ //check pseudorapidity cut on trigger |
| 630 | AliAODTrack *trigger = (AliAODTrack*) list->At(index); |
| 631 | if(trigger && TMath::Abs((Float_t) trigger->Eta())< fTriggerEtaCut){ return index;} |
| 632 | return -1; |
| 633 | }else{ |
| 634 | return -1; |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | //---------------------------------------------------------------------------- |
| 639 | |
| 640 | Double_t AliAnalysisTaskJetCorePP::GetBackgroundInPerpCone(Float_t jetR, Double_t jetPhi, Double_t jetEta, TList* trkList){ |
| 641 | //calculate sum of track pT in the cone perpendicular in phi to the jet |
| 642 | //jetR = cone radius |
| 643 | // jetPhi, jetEta = direction of the jet |
| 644 | Int_t numberOfTrks = trkList->GetEntries(); |
| 645 | Double_t pTsum = 0.0; |
| 646 | Double_t perpConePhi = jetPhi + TMath::Pi()/2;//perp cone w.r.t. jet in phi |
| 647 | for(Int_t it=0; it<numberOfTrks; it++){ |
| 648 | AliVParticle *trk = (AliVParticle*) trkList->At(it); |
| 649 | Double_t dphi = RelativePhi(perpConePhi,trk->Phi()); |
| 650 | Double_t deta = trk->Eta()-jetEta; |
| 651 | |
| 652 | if( (dphi*dphi + deta*deta)< (jetR*jetR)){ |
| 653 | pTsum += trk->Pt(); |
| 654 | } |
| 655 | } |
| 656 | |
| 657 | return pTsum; |
| 658 | } |
| 659 | |
| 660 | //---------------------------------------------------------------------------- |
| 661 | |
| 662 | Double_t AliAnalysisTaskJetCorePP::RelativePhi(Double_t mphi,Double_t vphi){ |
| 663 | //Get relative azimuthal angle of two particles -pi to pi |
| 664 | if (vphi < -TMath::Pi()) vphi += TMath::TwoPi(); |
| 665 | else if (vphi > TMath::Pi()) vphi -= TMath::TwoPi(); |
| 666 | |
| 667 | if (mphi < -TMath::Pi()) mphi += TMath::TwoPi(); |
| 668 | else if (mphi > TMath::Pi()) mphi -= TMath::TwoPi(); |
| 669 | |
| 670 | Double_t dphi = mphi - vphi; |
| 671 | if (dphi < -TMath::Pi()) dphi += TMath::TwoPi(); |
| 672 | else if (dphi > TMath::Pi()) dphi -= TMath::TwoPi(); |
| 673 | |
| 674 | return dphi;//dphi in [-Pi, Pi] |
| 675 | } |
| 676 | |
| 677 | |
git://git.uio.no / u / mrichter / AliRoot.git / blame