1 /**************************************************************************
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2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
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4 * Author: The ALICE Off-line Project. *
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5 * Contributors are mentioned in the code where appropriate. *
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7 * Permission to use, copy, modify and distribute this software and its *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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9 * without fee, provided that the above copyright notice appears in all *
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10 * copies and that both the copyright notice and this permission notice *
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11 * appear in the supporting documentation. The authors make no claims *
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12 * about the suitability of this software for any purpose. It is *
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13 * provided "as is" without express or implied warranty. *
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14 **************************************************************************/
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18 #include <TPDGCode.h>
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19 #include <TDatabasePDG.h>
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22 #include "TTreeStream.h"
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25 #include "TCanvas.h"
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27 #include "TObjArray.h"
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29 #include "TMatrixD.h"
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30 #include "TRandom3.h"
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32 #include "AliHeader.h"
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33 #include "AliGenEventHeader.h"
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34 #include "AliInputEventHandler.h"
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35 #include "AliStack.h"
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36 #include "AliTrackReference.h"
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38 #include "AliPhysicsSelection.h"
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39 #include "AliAnalysisTask.h"
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40 #include "AliAnalysisManager.h"
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41 #include "AliESDEvent.h"
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42 #include "AliESDfriend.h"
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43 #include "AliMCEvent.h"
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44 #include "AliESDInputHandler.h"
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45 #include "AliESDVertex.h"
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46 #include "AliTracker.h"
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47 #include "AliGeomManager.h"
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49 #include "AliCentrality.h"
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50 #include "AliESDVZERO.h"
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51 #include "AliMultiplicity.h"
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53 #include "AliESDtrackCuts.h"
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54 #include "AliMCEventHandler.h"
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55 #include "AliFilteredTreeEventCuts.h"
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56 #include "AliFilteredTreeAcceptanceCuts.h"
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58 #include "AliAnalysisTaskFilteredTree.h"
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59 #include "AliKFParticle.h"
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60 #include "AliESDv0.h"
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62 using namespace std;
\r
64 ClassImp(AliAnalysisTaskFilteredTree)
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66 //_____________________________________________________________________________
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67 AliAnalysisTaskFilteredTree::AliAnalysisTaskFilteredTree(const char *name)
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68 : AliAnalysisTaskSE(name)
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74 , fUseMCInfo(kFALSE)
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75 , fUseESDfriends(kFALSE)
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76 , fFilteredTreeEventCuts(0)
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77 , fFilteredTreeAcceptanceCuts(0)
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78 , fFilteredTreeRecAcceptanceCuts(0)
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80 , fTrigger(AliTriggerAnalysis::kMB1)
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81 , fAnalysisMode(kTPCAnalysisMode)
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82 , fTreeSRedirector(0)
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83 , fCentralityEstimator(0)
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84 , fLowPtTrackDownscaligF(0)
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85 , fLowPtV0DownscaligF(0)
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86 , fProcessAll(kFALSE)
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87 , fProcessCosmics(kFALSE)
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93 , fCosmicPairsTree(0)
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97 // Define input and output slots here
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98 DefineOutput(1, TTree::Class());
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99 DefineOutput(2, TTree::Class());
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100 DefineOutput(3, TTree::Class());
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101 DefineOutput(4, TTree::Class());
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102 DefineOutput(5, TTree::Class());
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103 DefineOutput(6, TTree::Class());
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106 //_____________________________________________________________________________
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107 AliAnalysisTaskFilteredTree::~AliAnalysisTaskFilteredTree()
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109 //the output trees not to be deleted in case of proof analysis
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110 Bool_t deleteTrees=kTRUE;
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111 if ((AliAnalysisManager::GetAnalysisManager()))
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113 if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() ==
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114 AliAnalysisManager::kProofAnalysis)
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115 deleteTrees=kFALSE;
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117 if (deleteTrees) delete fTreeSRedirector;
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119 delete fFilteredTreeEventCuts;
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120 delete fFilteredTreeAcceptanceCuts;
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121 delete fFilteredTreeRecAcceptanceCuts;
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122 delete fEsdTrackCuts;
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125 //____________________________________________________________________________
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126 Bool_t AliAnalysisTaskFilteredTree::Notify()
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128 static Int_t count = 0;
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130 TTree *chain = (TChain*)GetInputData(0);
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133 Printf("Processing %d. file: %s", count, chain->GetCurrentFile()->GetName());
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139 //_____________________________________________________________________________
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140 void AliAnalysisTaskFilteredTree::UserCreateOutputObjects()
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142 // Create histograms
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146 //get the output file to make sure the trees will be associated to it
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148 fTreeSRedirector = new TTreeSRedirector();
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152 fV0Tree = ((*fTreeSRedirector)<<"V0s").GetTree();
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153 fHighPtTree = ((*fTreeSRedirector)<<"highPt").GetTree();
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154 fdEdxTree = ((*fTreeSRedirector)<<"dEdx").GetTree();
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155 fLaserTree = ((*fTreeSRedirector)<<"Laser").GetTree();
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156 fMCEffTree = ((*fTreeSRedirector)<<"MCEffTree").GetTree();
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157 fCosmicPairsTree = ((*fTreeSRedirector)<<"CosmicPairs").GetTree();
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159 PostData(1,fV0Tree);
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160 PostData(2,fHighPtTree);
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161 PostData(3,fdEdxTree);
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162 PostData(4,fLaserTree);
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163 PostData(5,fMCEffTree);
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164 PostData(6,fCosmicPairsTree);
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167 //_____________________________________________________________________________
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168 void AliAnalysisTaskFilteredTree::UserExec(Option_t *)
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171 // Called for each event
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175 fESD = (AliESDEvent*) (InputEvent());
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177 Printf("ERROR: ESD event not available");
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185 Printf("ERROR: MC event not available");
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190 if(fUseESDfriends) {
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191 fESDfriend = static_cast<AliESDfriend*>(fESD->FindListObject("AliESDfriend"));
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193 Printf("ERROR: ESD friends not available");
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199 ProcessAll(fESD,fMC,fESDfriend); // all track stages and MC
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202 Process(fESD,fMC,fESDfriend); // only global and TPC tracks
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206 ProcessV0(fESD,fMC,fESDfriend);
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207 ProcessLaser(fESD,fMC,fESDfriend);
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208 ProcessdEdx(fESD,fMC,fESDfriend);
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210 if (fProcessCosmics) { ProcessCosmics(fESD); }
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211 if(IsUseMCInfo()) { ProcessMCEff(fESD,fMC,fESDfriend); }
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214 //_____________________________________________________________________________
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215 void AliAnalysisTaskFilteredTree::ProcessCosmics(AliESDEvent *const event)
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218 // Select real events with high-pT tracks
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221 AliDebug(AliLog::kError, "event not available");
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226 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
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229 Printf("ERROR: Could not receive input handler");
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234 TTree *chain = (TChain*)GetInputData(0);
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236 Printf("ERROR: Could not receive input chain");
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239 TObjString fileName(chain->GetCurrentFile()->GetName());
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242 // check for cosmic pairs
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244 // find cosmic pairs trigger by random trigger
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247 AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD();
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248 AliESDVertex *vertexTPC = (AliESDVertex *)event->GetPrimaryVertexTPC();
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249 const Double_t kMinPt=0.8;
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250 const Double_t kMinPtMax=0.8;
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251 const Double_t kMinNcl=50;
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252 const Double_t kMaxDelta[5]={2,600,0.02,0.02,0.1};
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253 Int_t ntracks=event->GetNumberOfTracks();
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254 // Float_t dcaTPC[2]={0,0};
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255 // Float_t covTPC[3]={0,0,0};
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257 UInt_t specie = event->GetEventSpecie(); // skip laser events
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258 if (specie==AliRecoParam::kCalib) return;
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262 for (Int_t itrack0=0;itrack0<ntracks;itrack0++) {
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263 AliESDtrack *track0 = event->GetTrack(itrack0);
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264 if (!track0) continue;
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265 if (!track0->IsOn(AliESDtrack::kTPCrefit)) continue;
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267 if (TMath::Abs(AliTracker::GetBz())>1 && track0->Pt() < kMinPt) continue;
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268 if (track0->Pt() < kMinPt) continue;
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269 if (track0->GetTPCncls() < kMinNcl) continue;
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270 if (TMath::Abs(track0->GetY())<kMaxDelta[0]) continue;
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271 if (track0->GetKinkIndex(0)>0) continue;
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272 const Double_t * par0=track0->GetParameter(); //track param at rhe DCA
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275 //track0->GetImpactParametersTPC(dcaTPC,covTPC);
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276 //if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
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277 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
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278 // const AliExternalTrackParam * trackIn0 = track0->GetInnerParam();
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279 for (Int_t itrack1=itrack0+1;itrack1<ntracks;itrack1++) {
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280 AliESDtrack *track1 = event->GetTrack(itrack1);
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281 if (!track1) continue;
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282 if (!track1->IsOn(AliESDtrack::kTPCrefit)) continue;
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283 if (track1->GetKinkIndex(0)>0) continue;
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284 if ((TMath::Abs(AliTracker::GetBz())>1) && (track1->Pt() < kMinPt)) continue;
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285 if (track1->Pt() < kMinPt) continue;
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286 if (track1->GetTPCncls()<kMinNcl) continue;
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287 if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Max(track1->Pt(), track0->Pt())<kMinPtMax) continue;
\r
288 if (TMath::Abs(track1->GetY())<kMaxDelta[0]) continue;
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289 //track1->GetImpactParametersTPC(dcaTPC,covTPC);
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290 // if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
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291 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
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293 const Double_t* par1=track1->GetParameter(); //track param at rhe DCA
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295 Bool_t isPair=kTRUE;
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296 for (Int_t ipar=0; ipar<5; ipar++){
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297 if (ipar==4&&TMath::Abs(AliTracker::GetBz())<1) continue; // 1/pt not defined for B field off
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298 if (TMath::Abs(TMath::Abs(par0[ipar])-TMath::Abs(par1[ipar]))>kMaxDelta[ipar]) isPair=kFALSE;
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300 if (!isPair) continue;
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301 if (TMath::Abs(TMath::Abs(track0->GetAlpha()-track1->GetAlpha())-TMath::Pi())>kMaxDelta[2]) isPair=kFALSE;
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302 //delta with correct sign
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304 TCut cut0="abs(t1.fP[0]+t0.fP[0])<2"
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305 TCut cut3="abs(t1.fP[3]+t0.fP[3])<0.02"
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306 TCut cut4="abs(t1.fP[4]+t0.fP[4])<0.2"
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308 if (TMath::Abs(par0[0]+par1[0])>kMaxDelta[0]) isPair=kFALSE; //delta y opposite sign
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309 if (TMath::Abs(par0[3]+par1[3])>kMaxDelta[3]) isPair=kFALSE; //delta tgl opposite sign
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310 if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Abs(par0[4]+par1[4])>kMaxDelta[4]) isPair=kFALSE; //delta 1/pt opposite sign
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311 if (!isPair) continue;
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312 TString filename(AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile()->GetName());
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313 Int_t eventNumber = event->GetEventNumberInFile();
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314 //Bool_t hasFriend = kFALSE;
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315 //Bool_t hasITS=(track0->GetNcls(0)+track1->GetNcls(0)>4);
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316 //printf("DUMPHPTCosmic:%s|%f|%d|%d|%d\n",filename.Data(),(TMath::Min(track0->Pt(),track1->Pt())), eventNumber,hasFriend,hasITS);
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317 // const AliExternalTrackParam * trackIn1 = track1->GetInnerParam();
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320 Int_t ntracksSPD = vertexSPD->GetNContributors();
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321 Int_t ntracksTPC = vertexTPC->GetNContributors();
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322 Int_t runNumber = event->GetRunNumber();
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323 Int_t timeStamp = event->GetTimeStamp();
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324 ULong64_t triggerMask = event->GetTriggerMask();
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325 Float_t magField = event->GetMagneticField();
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326 TObjString triggerClass = event->GetFiredTriggerClasses().Data();
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329 // Dump to the tree
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334 //fCosmicPairsTree->Branch("fileName",&fileName,32000,0);
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335 //fCosmicPairsTree->Branch("runNumber",&runNumber,"runNumber/I");
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336 //fCosmicPairsTree->Branch("timeStamp",&timeStamp,"timeStamp/I");
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337 //fCosmicPairsTree->Branch("eventNumber",&eventNumber,"eventNumber/I");
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338 //fCosmicPairsTree->Branch("triggerMask",&triggerMask,32000,0);
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339 //fCosmicPairsTree->Branch("triggerClass",&triggerClass,32000,0);
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340 //fCosmicPairsTree->Branch("magField",&magField,"magField/F");
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341 //fCosmicPairsTree->Branch("ntracksSPD",&ntracksSPD,"ntracksSPD/I");
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342 //fCosmicPairsTree->Branch("ntracksTPC",&ntracksTPC,"ntracksTPC/I");
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343 //fCosmicPairsTree->Branch("vertexSPD",vertexSPD,32000,0);
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344 //fCosmicPairsTree->Branch("vertexTPC",vertexTPC,32000,0);
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345 //fCosmicPairsTree->Branch("track0",track0,32000,0);
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346 //fCosmicPairsTree->Branch("track1",track1,32000,0);
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348 //fCosmicPairsTree->Fill();
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350 if(!fTreeSRedirector) return;
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351 (*fTreeSRedirector)<<"CosmicPairs"<<
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352 "fileName.="<<&fileName<< // file name
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353 "runNumber="<<runNumber<< // run number
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354 "evtTimeStamp="<<timeStamp<< // time stamp of event
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355 "evtNumberInFile="<<eventNumber<< // event number
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356 "trigger="<<triggerMask<< // trigger
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357 "triggerClass="<<&triggerClass<< // trigger
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358 "Bz="<<magField<< // magnetic field
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360 "multSPD="<<ntracksSPD<<
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361 "multTPC="<<ntracksTPC<<
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362 "vertSPD.="<<vertexSPD<< //primary vertex -SPD
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363 "vertTPC.="<<vertexTPC<< //primary vertex -TPC
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364 "t0.="<<track0<< //track0
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365 "t1.="<<track1<< //track1
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372 //_____________________________________________________________________________
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373 void AliAnalysisTaskFilteredTree::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
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376 // Select real events with high-pT tracks
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379 AliDebug(AliLog::kError, "esdEvent not available");
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383 // get selection cuts
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384 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
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385 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
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386 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
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388 if(!evtCuts || !accCuts || !esdTrackCuts) {
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389 Printf("ERROR cuts not available");
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393 // trigger selection
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394 Bool_t isEventTriggered = kTRUE;
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395 AliPhysicsSelection *physicsSelection = NULL;
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396 AliTriggerAnalysis* triggerAnalysis = NULL;
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399 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
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402 Printf("ERROR: Could not receive input handler");
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407 TTree *chain = (TChain*)GetInputData(0);
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409 Printf("ERROR: Could not receive input chain");
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412 TObjString fileName(chain->GetCurrentFile()->GetName());
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415 if(evtCuts->IsTriggerRequired())
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418 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
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420 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
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421 if(!physicsSelection) return;
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422 //SetPhysicsTriggerSelection(physicsSelection);
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424 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
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425 // set trigger (V0AND)
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426 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
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427 if(!triggerAnalysis) return;
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428 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
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432 // centrality determination
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433 Float_t centralityF = -1;
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434 AliCentrality *esdCentrality = esdEvent->GetCentrality();
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435 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
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437 // use MC information
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438 AliHeader* header = 0;
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439 AliGenEventHeader* genHeader = 0;
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440 AliStack* stack = 0;
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443 Int_t multMCTrueTracks = 0;
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448 AliDebug(AliLog::kError, "mcEvent not available");
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451 // get MC event header
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452 header = mcEvent->Header();
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454 AliDebug(AliLog::kError, "Header not available");
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457 // MC particle stack
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458 stack = mcEvent->Stack();
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460 AliDebug(AliLog::kError, "Stack not available");
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465 genHeader = header->GenEventHeader();
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467 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
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470 genHeader->PrimaryVertex(vtxMC);
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472 // multipliticy of all MC primary tracks
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473 // in Zv, pt and eta ranges)
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474 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
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478 // get reconstructed vertex
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479 //const AliESDVertex* vtxESD = 0;
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480 AliESDVertex* vtxESD = 0;
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481 if(GetAnalysisMode() == kTPCAnalysisMode) {
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482 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
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484 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
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485 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
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491 if(!vtxESD) return;
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493 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
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494 //printf("isEventOK %d, isEventTriggered %d, status %d, vz %f \n",isEventOK, isEventTriggered, vtxESD->GetStatus(), vtxESD->GetZv());
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495 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
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498 // check event cuts
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499 if(isEventOK && isEventTriggered)
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503 // get IR information
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505 AliESDHeader *esdHeader = 0;
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506 esdHeader = esdEvent->GetHeader();
\r
507 if(!esdHeader) return;
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508 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
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509 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
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511 // Use when Peter commit the changes in the header
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516 Double_t vert[3] = {0};
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517 vert[0] = vtxESD->GetXv();
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518 vert[1] = vtxESD->GetYv();
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519 vert[2] = vtxESD->GetZv();
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520 Int_t mult = vtxESD->GetNContributors();
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521 Float_t bz = esdEvent->GetMagneticField();
\r
522 Int_t runNumber = esdEvent->GetRunNumber();
\r
523 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
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524 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
527 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
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529 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
530 if(!track) continue;
\r
531 if(track->Charge()==0) continue;
\r
532 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
533 if(!accCuts->AcceptTrack(track)) continue;
\r
535 // downscale low-pT tracks
\r
536 Double_t scalempt= TMath::Min(track->Pt(),10.);
\r
537 Double_t downscaleF = gRandom->Rndm();
\r
538 downscaleF *= fLowPtTrackDownscaligF;
\r
539 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
540 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
542 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
\r
543 if (!tpcInner) continue;
\r
544 // transform to the track reference frame
\r
545 Bool_t isOK = kFALSE;
\r
546 isOK = tpcInner->Rotate(track->GetAlpha());
\r
547 isOK = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
548 if(!isOK) continue;
\r
550 // Dump to the tree
\r
554 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
556 //fHighPtTree->Branch("fileName",&fileName,32000,0);
\r
557 //fHighPtTree->Branch("runNumber",&runNumber,"runNumber/I");
\r
558 //fHighPtTree->Branch("evtTimeStamp",&evtTimeStamp,"evtTimeStamp/I");
\r
559 //fHighPtTree->Branch("evtNumberInFile",&evtNumberInFile,"evtNumberInFile/I");
\r
560 //fHighPtTree->Branch("triggerClass",&triggerClass,32000,0);
\r
561 //fHighPtTree->Branch("Bz",&bz,"Bz/F");
\r
562 //fHighPtTree->Branch("vtxESD",vtxESD,32000,0);
\r
563 //fHighPtTree->Branch("IRtot",&ir1,"IRtot/I");
\r
564 //fHighPtTree->Branch("IRint2",&ir2,"IRint2/I");
\r
565 //fHighPtTree->Branch("mult",&mult,"mult/I");
\r
566 //fHighPtTree->Branch("esdTrack",track,32000,0);
\r
567 //fHighPtTree->Branch("centralityF",¢ralityF,"centralityF/F");
\r
569 //fHighPtTree->Fill();
\r
571 //Double_t vtxX=vtxESD->GetX();
\r
572 //Double_t vtxY=vtxESD->GetY();
\r
573 //Double_t vtxZ=vtxESD->GetZ();
\r
574 if(!fTreeSRedirector) return;
\r
575 (*fTreeSRedirector)<<"highPt"<<
\r
576 "fileName.="<<&fileName<<
\r
577 "runNumber="<<runNumber<<
\r
578 "evtTimeStamp="<<evtTimeStamp<<
\r
579 "evtNumberInFile="<<evtNumberInFile<<
\r
580 "triggerClass="<<&triggerClass<< // trigger
\r
582 "vtxESD.="<<vtxESD<<
\r
583 // "vtxESDx="<<vtxX<<
\r
584 // "vtxESDy="<<vtxY<<
\r
585 // "vtxESDz="<<vtxZ<<
\r
589 "esdTrack.="<<track<<
\r
590 "centralityF="<<centralityF<<
\r
598 //_____________________________________________________________________________
\r
599 void AliAnalysisTaskFilteredTree::ProcessLaser(AliESDEvent *const esdEvent, AliMCEvent * const /*mcEvent*/, AliESDfriend *const /*esdFriend*/)
\r
602 // Process laser events
\r
605 AliDebug(AliLog::kError, "esdEvent not available");
\r
610 TTree *chain = (TChain*)GetInputData(0);
\r
612 Printf("ERROR: Could not receive input chain");
\r
615 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
618 const AliESDHeader* esdHeader = esdEvent->GetHeader();
\r
619 if(esdHeader && esdHeader->GetEventSpecie()==AliRecoParam::kCalib)
\r
621 Int_t countLaserTracks = 0;
\r
622 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
624 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
625 if(!track) continue;
\r
627 if(track->GetTPCInnerParam()) countLaserTracks++;
\r
630 if(countLaserTracks > 100)
\r
632 Int_t runNumber = esdEvent->GetRunNumber();
\r
633 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
634 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
635 Float_t bz = esdEvent->GetMagneticField();
\r
636 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
638 //fLaserTree->Branch("fileName",&fileName,32000,0);
\r
639 //fLaserTree->Branch("runNumber",&runNumber,"runNumber/I");
\r
640 //fLaserTree->Branch("evtTimeStamp",&evtTimeStamp,"evtTimeStamp/I");
\r
641 //fLaserTree->Branch("evtNumberInFile",&evtNumberInFile,"evtNumberInFile/I");
\r
642 //fLaserTree->Branch("triggerClass",&triggerClass,32000,0);
\r
643 //fLaserTree->Branch("Bz",&bz,"Bz/F");
\r
644 //fLaserTree->Branch("multTPCtracks",&countLaserTracks,"multTPCtracks/I");
\r
646 //fLaserTree->Fill();
\r
648 if(!fTreeSRedirector) return;
\r
649 (*fTreeSRedirector)<<"Laser"<<
\r
650 "fileName.="<<&fileName<<
\r
651 "runNumber="<<runNumber<<
\r
652 "evtTimeStamp="<<evtTimeStamp<<
\r
653 "evtNumberInFile="<<evtNumberInFile<<
\r
654 "triggerClass="<<&triggerClass<< // trigger
\r
656 "multTPCtracks="<<countLaserTracks<<
\r
662 //_____________________________________________________________________________
\r
663 void AliAnalysisTaskFilteredTree::ProcessAll(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend)
\r
666 // Select real events with high-pT tracks
\r
667 // Calculate and stor in the output tree:
\r
668 // TPC constrained tracks
\r
669 // InnerParams constrained tracks
\r
671 // ITSout-InnerParams tracks
\r
672 // chi2 distance between TPC constrained and TPC-ITS tracks
\r
673 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
\r
674 // chi2 distance between ITSout and InnerParams tracks
\r
675 // MC information:
\r
676 // track references at ITSin, TPCin; InnerParam at first TPC track reference,
\r
677 // particle ID, mother ID, production mechanism ...
\r
681 AliDebug(AliLog::kError, "esdEvent not available");
\r
685 // get selection cuts
\r
686 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
687 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
688 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
690 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
691 AliDebug(AliLog::kError, "cuts not available");
\r
695 // trigger selection
\r
696 Bool_t isEventTriggered = kTRUE;
\r
697 AliPhysicsSelection *physicsSelection = NULL;
\r
698 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
701 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
704 Printf("ERROR: Could not receive input handler");
\r
709 TTree *chain = (TChain*)GetInputData(0);
\r
711 Printf("ERROR: Could not receive input chain");
\r
714 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
717 if(evtCuts->IsTriggerRequired())
\r
720 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
722 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
723 if(!physicsSelection) return;
\r
724 //SetPhysicsTriggerSelection(physicsSelection);
\r
726 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
727 // set trigger (V0AND)
\r
728 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
729 if(!triggerAnalysis) return;
\r
730 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
734 // centrality determination
\r
735 Float_t centralityF = -1;
\r
736 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
737 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
739 // use MC information
\r
740 AliHeader* header = 0;
\r
741 AliGenEventHeader* genHeader = 0;
\r
742 AliStack* stack = 0;
\r
745 Int_t multMCTrueTracks = 0;
\r
750 AliDebug(AliLog::kError, "mcEvent not available");
\r
753 // get MC event header
\r
754 header = mcEvent->Header();
\r
756 AliDebug(AliLog::kError, "Header not available");
\r
759 // MC particle stack
\r
760 stack = mcEvent->Stack();
\r
762 AliDebug(AliLog::kError, "Stack not available");
\r
767 genHeader = header->GenEventHeader();
\r
769 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
772 genHeader->PrimaryVertex(vtxMC);
\r
774 // multipliticy of all MC primary tracks
\r
775 // in Zv, pt and eta ranges)
\r
776 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
780 // get reconstructed vertex
\r
781 //const AliESDVertex* vtxESD = 0;
\r
782 AliESDVertex* vtxESD = 0;
\r
783 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
784 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
786 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
787 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
793 if(!vtxESD) return;
\r
795 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
796 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
797 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
800 // check event cuts
\r
801 if(isEventOK && isEventTriggered)
\r
804 // get IR information
\r
806 AliESDHeader *esdHeader = 0;
\r
807 esdHeader = esdEvent->GetHeader();
\r
808 if(!esdHeader) return;
\r
809 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
\r
810 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
\r
816 Double_t vert[3] = {0};
\r
817 vert[0] = vtxESD->GetXv();
\r
818 vert[1] = vtxESD->GetYv();
\r
819 vert[2] = vtxESD->GetZv();
\r
820 Int_t mult = vtxESD->GetNContributors();
\r
821 Float_t bz = esdEvent->GetMagneticField();
\r
822 Int_t runNumber = esdEvent->GetRunNumber();
\r
823 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
824 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
827 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
829 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
830 if(!track) continue;
\r
831 if(track->Charge()==0) continue;
\r
832 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
833 if(!accCuts->AcceptTrack(track)) continue;
\r
835 // downscale low-pT tracks
\r
836 Double_t scalempt= TMath::Min(track->Pt(),10.);
\r
837 Double_t downscaleF = gRandom->Rndm();
\r
838 downscaleF *= fLowPtTrackDownscaligF;
\r
839 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
840 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
842 // Dump to the tree
\r
844 // TPC constrained tracks
\r
845 // InnerParams constrained tracks
\r
847 // ITSout-InnerParams tracks
\r
848 // chi2 distance between TPC constrained and TPC-ITS tracks
\r
849 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
\r
850 // chi2 distance between ITSout and InnerParams tracks
\r
853 Double_t x[3]; track->GetXYZ(x);
\r
854 Double_t b[3]; AliTracker::GetBxByBz(x,b);
\r
857 // Transform TPC inner params to track reference frame
\r
859 Bool_t isOKtpcInner = kFALSE;
\r
860 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
\r
862 // transform to the track reference frame
\r
863 isOKtpcInner = tpcInner->Rotate(track->GetAlpha());
\r
864 isOKtpcInner = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
868 // Constrain TPC inner to vertex
\r
869 // clone TPCinner has to be deleted
\r
871 Bool_t isOKtpcInnerC = kFALSE;
\r
872 AliExternalTrackParam * tpcInnerC = new AliExternalTrackParam(*(track->GetTPCInnerParam()));
\r
874 isOKtpcInnerC = ConstrainTPCInner(tpcInnerC,vtxESD,b);
\r
875 isOKtpcInnerC = tpcInnerC->Rotate(track->GetAlpha());
\r
876 isOKtpcInnerC = tpcInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
880 // Constrain TPC refitted tracks at inner TPC wall (InnerParams) to vertex
\r
881 // Clone track InnerParams has to be deleted
\r
883 Bool_t isOKtrackInnerC = kFALSE;
\r
884 AliExternalTrackParam * trackInnerC = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
886 isOKtrackInnerC = ConstrainTrackInner(trackInnerC,vtxESD,track->GetMass(),b);
\r
887 isOKtrackInnerC = trackInnerC->Rotate(track->GetAlpha());
\r
888 isOKtrackInnerC = trackInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
892 // calculate chi2 between vi and vj vectors
\r
893 // with covi and covj covariance matrices
\r
894 // chi2ij = (vi-vj)^(T)*(covi+covj)^(-1)*(vi-vj)
\r
896 TMatrixD deltaT(5,1), deltaTtrackC(5,1);
\r
897 TMatrixD delta(1,5), deltatrackC(1,5);
\r
898 TMatrixD covarM(5,5), covarMtrackC(5,5);
\r
899 TMatrixD chi2(1,1);
\r
900 TMatrixD chi2trackC(1,1);
\r
902 if(isOKtpcInnerC && isOKtrackInnerC)
\r
904 for (Int_t ipar=0; ipar<5; ipar++) {
\r
905 deltaT(ipar,0)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
906 delta(0,ipar)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
908 deltaTtrackC(ipar,0)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
909 deltatrackC(0,ipar)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
911 for (Int_t jpar=0; jpar<5; jpar++) {
\r
912 Int_t index=track->GetIndex(ipar,jpar);
\r
913 covarM(ipar,jpar)=track->GetCovariance()[index]+tpcInnerC->GetCovariance()[index];
\r
914 covarMtrackC(ipar,jpar)=track->GetCovariance()[index]+trackInnerC->GetCovariance()[index];
\r
918 // chi2 distance TPC constrained and TPC+ITS
\r
919 TMatrixD covarMInv = covarM.Invert();
\r
920 TMatrixD mat2 = covarMInv*deltaT;
\r
921 chi2 = delta*mat2;
\r
924 // chi2 distance TPC refitted constrained and TPC+ITS
\r
925 TMatrixD covarMInvtrackC = covarMtrackC.Invert();
\r
926 TMatrixD mat2trackC = covarMInvtrackC*deltaTtrackC;
\r
927 chi2trackC = deltatrackC*mat2trackC;
\r
928 //chi2trackC.Print();
\r
933 // Propagate ITSout to TPC inner wall
\r
934 // and calculate chi2 distance to track (InnerParams)
\r
936 const Double_t kTPCRadius=85;
\r
937 const Double_t kStep=3;
\r
939 // clone track InnerParams has to be deleted
\r
940 Bool_t isOKtrackInnerC2 = kFALSE;
\r
941 AliExternalTrackParam *trackInnerC2 = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
942 if (trackInnerC2) {
\r
943 isOKtrackInnerC2 = AliTracker::PropagateTrackToBxByBz(trackInnerC2,kTPCRadius,track->GetMass(),kStep,kFALSE);
\r
946 Bool_t isOKouterITSc = kFALSE;
\r
947 AliExternalTrackParam *outerITSc = NULL;
\r
948 TMatrixD chi2OuterITS(1,1);
\r
950 if(esdFriend && esdFriend->TestSkipBit()==kFALSE)
\r
952 // propagate ITSout to TPC inner wall
\r
953 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(iTrack);
\r
957 outerITSc = new AliExternalTrackParam(*friendTrack->GetITSOut());
\r
960 isOKouterITSc = AliTracker::PropagateTrackToBxByBz(outerITSc,kTPCRadius,track->GetMass(),kStep,kFALSE);
\r
961 isOKouterITSc = outerITSc->Rotate(trackInnerC2->GetAlpha());
\r
962 isOKouterITSc = outerITSc->PropagateTo(trackInnerC2->GetX(),esdEvent->GetMagneticField());
\r
965 // calculate chi2 between outerITS and innerParams
\r
966 // cov without z-coordinate at the moment
\r
968 TMatrixD deltaTouterITS(4,1);
\r
969 TMatrixD deltaouterITS(1,4);
\r
970 TMatrixD covarMouterITS(4,4);
\r
972 if(isOKtrackInnerC2 && isOKouterITSc) {
\r
975 for (Int_t ipar=0; ipar<5; ipar++) {
\r
977 deltaTouterITS(kipar,0)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
\r
978 deltaouterITS(0,kipar)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
\r
982 for (Int_t jpar=0; jpar<5; jpar++) {
\r
983 Int_t index=outerITSc->GetIndex(ipar,jpar);
\r
984 if(ipar !=1 || jpar!=1) {
\r
985 covarMouterITS(kipar,kjpar)=outerITSc->GetCovariance()[index]+trackInnerC2->GetCovariance()[index];
\r
987 if(jpar!=1) kjpar++;
\r
989 if(ipar!=1) kipar++;
\r
992 // chi2 distance ITSout and InnerParams
\r
993 TMatrixD covarMInvouterITS = covarMouterITS.Invert();
\r
994 TMatrixD mat2outerITS = covarMInvouterITS*deltaTouterITS;
\r
995 chi2OuterITS = deltaouterITS*mat2outerITS;
\r
996 //chi2OuterITS.Print();
\r
1005 TParticle *particle=NULL, *particleTPC=NULL, *particleITS=NULL;
\r
1006 TParticle *particleMother=NULL, *particleMotherTPC=NULL, *particleMotherITS=NULL;
\r
1007 Int_t mech=-1, mechTPC=-1, mechITS=-1;
\r
1008 Bool_t isPrim=kFALSE, isPrimTPC=kFALSE, isPrimITS=kFALSE;
\r
1009 Bool_t isFromStrangess=kFALSE, isFromStrangessTPC=kFALSE, isFromStrangessITS=kFALSE;
\r
1010 Bool_t isFromConversion=kFALSE, isFromConversionTPC=kFALSE, isFromConversionITS=kFALSE;
\r
1011 Bool_t isFromMaterial=kFALSE, isFromMaterialTPC=kFALSE, isFromMaterialITS=kFALSE;
\r
1013 AliTrackReference *refTPCIn = NULL;
\r
1014 AliTrackReference *refITS = NULL;
\r
1016 Bool_t isOKtrackInnerC3 = kFALSE;
\r
1017 AliExternalTrackParam *trackInnerC3 = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
1019 if(IsUseMCInfo())
\r
1021 if(!stack) return;
\r
1026 Int_t label = TMath::Abs(track->GetLabel());
\r
1027 particle = stack->Particle(label);
\r
1028 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0.)
\r
1030 particleMother = GetMother(particle,stack);
\r
1031 mech = particle->GetUniqueID();
\r
1032 isPrim = stack->IsPhysicalPrimary(label);
\r
1033 isFromStrangess = IsFromStrangeness(label,stack);
\r
1034 isFromConversion = IsFromConversion(label,stack);
\r
1035 isFromMaterial = IsFromMaterial(label,stack);
\r
1041 Int_t labelTPC = TMath::Abs(track->GetTPCLabel());
\r
1042 particleTPC = stack->Particle(labelTPC);
\r
1043 if(particleTPC && particleTPC->GetPDG() && particleTPC->GetPDG()->Charge()!=0.)
\r
1045 particleMotherTPC = GetMother(particleTPC,stack);
\r
1046 mechTPC = particleTPC->GetUniqueID();
\r
1047 isPrimTPC = stack->IsPhysicalPrimary(labelTPC);
\r
1048 isFromStrangessTPC = IsFromStrangeness(labelTPC,stack);
\r
1049 isFromConversionTPC = IsFromConversion(labelTPC,stack);
\r
1050 isFromMaterialTPC = IsFromMaterial(labelTPC,stack);
\r
1054 // store first track reference
\r
1057 TParticle *part=0;
\r
1058 TClonesArray *trefs=0;
\r
1059 Int_t status = mcEvent->GetParticleAndTR(track->GetTPCLabel(), part, trefs);
\r
1061 if(status>0 && part && trefs && part->GetPDG() && part->GetPDG()->Charge()!=0.)
\r
1063 Int_t nTrackRef = trefs->GetEntries();
\r
1064 //printf("nTrackRef %d \n",nTrackRef);
\r
1066 Int_t countITS = 0;
\r
1067 for (Int_t iref = 0; iref < nTrackRef; iref++)
\r
1069 AliTrackReference *ref = (AliTrackReference *)trefs->At(iref);
\r
1071 // Ref. in the middle ITS
\r
1072 if(ref && ref->DetectorId()==AliTrackReference::kITS)
\r
1074 if(!refITS && countITS==2) {
\r
1076 //printf("refITS %p \n",refITS);
\r
1082 if(ref && ref->DetectorId()==AliTrackReference::kTPC)
\r
1086 //printf("refTPCIn %p \n",refTPCIn);
\r
1092 // transform inner params to TrackRef
\r
1093 // reference frame
\r
1094 if(refTPCIn && trackInnerC3)
\r
1096 Double_t kRefPhi = TMath::ATan2(refTPCIn->Y(),refTPCIn->X());
\r
1097 isOKtrackInnerC3 = trackInnerC3->Rotate(kRefPhi);
\r
1098 isOKtrackInnerC3 = AliTracker::PropagateTrackToBxByBz(trackInnerC3,refTPCIn->R(),track->GetMass(),kStep,kFALSE);
\r
1105 Int_t labelITS = TMath::Abs(track->GetITSLabel());
\r
1106 particleITS = stack->Particle(labelITS);
\r
1107 if(particleITS && particleITS->GetPDG() && particleITS->GetPDG()->Charge()!=0.)
\r
1109 particleMotherITS = GetMother(particleITS,stack);
\r
1110 mechITS = particleITS->GetUniqueID();
\r
1111 isPrimITS = stack->IsPhysicalPrimary(labelITS);
\r
1112 isFromStrangessITS = IsFromStrangeness(labelITS,stack);
\r
1113 isFromConversionITS = IsFromConversion(labelITS,stack);
\r
1114 isFromMaterialITS = IsFromMaterial(labelITS,stack);
\r
1119 Bool_t dumpToTree=kFALSE;
\r
1121 if(isOKtpcInnerC && isOKtrackInnerC) dumpToTree = kTRUE;
\r
1122 if(fUseESDfriends && isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE;
\r
1123 if(fUseMCInfo && isOKtrackInnerC3) dumpToTree = kTRUE;
\r
1124 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1127 //book keeping of created dummy objects (to avoid NULL in trees)
\r
1128 Bool_t newvtxESD=kFALSE;
\r
1129 Bool_t newtrack=kFALSE;
\r
1130 Bool_t newtpcInnerC=kFALSE;
\r
1131 Bool_t newtrackInnerC=kFALSE;
\r
1132 Bool_t newtrackInnerC2=kFALSE;
\r
1133 Bool_t newouterITSc=kFALSE;
\r
1134 Bool_t newtrackInnerC3=kFALSE;
\r
1135 Bool_t newrefTPCIn=kFALSE;
\r
1136 Bool_t newrefITS=kFALSE;
\r
1137 Bool_t newparticle=kFALSE;
\r
1138 Bool_t newparticleMother=kFALSE;
\r
1139 Bool_t newparticleTPC=kFALSE;
\r
1140 Bool_t newparticleMotherTPC=kFALSE;
\r
1141 Bool_t newparticleITS=kFALSE;
\r
1142 Bool_t newparticleMotherITS=kFALSE;
\r
1144 //check that the vertex is there and that it is OK,
\r
1145 //i.e. no null member arrays, otherwise a problem with merging
\r
1147 //this is a very ugly hack!
\r
1150 AliInfo("fixing the ESD vertex for streaming");
\r
1151 vtxESD=new AliESDVertex();
\r
1152 //vtxESD->SetNContributors(1);
\r
1153 //UShort_t pindices[1]; pindices[0]=0;
\r
1154 //vtxESD->SetIndices(1,pindices);
\r
1155 //vtxESD->SetNContributors(0);
\r
1159 if (!track) {track=new AliESDtrack();newtrack=kTRUE;}
\r
1160 if (!tpcInnerC) {tpcInnerC=new AliExternalTrackParam();newtpcInnerC=kTRUE;}
\r
1161 if (!trackInnerC) {trackInnerC=new AliExternalTrackParam();newtrackInnerC=kTRUE;}
\r
1162 if (!trackInnerC2) {trackInnerC2=new AliExternalTrackParam();newtrackInnerC2=kTRUE;}
\r
1163 if (!outerITSc) {outerITSc=new AliExternalTrackParam();newouterITSc=kTRUE;}
\r
1164 if (!trackInnerC3) {trackInnerC3=new AliExternalTrackParam();newtrackInnerC3=kTRUE;}
\r
1167 if (!refTPCIn) {refTPCIn=new AliTrackReference(); newrefTPCIn=kTRUE;}
\r
1168 if (!refITS) {refITS=new AliTrackReference();newrefITS=kTRUE;}
\r
1169 if (!particle) {particle=new TParticle(); newparticle=kTRUE;}
\r
1170 if (!particleMother) {particleMother=new TParticle();newparticleMother=kTRUE;}
\r
1171 if (!particleTPC) {particleTPC=new TParticle();newparticleTPC=kTRUE;}
\r
1172 if (!particleMotherTPC) {particleMotherTPC=new TParticle();newparticleMotherTPC=kTRUE;}
\r
1173 if (!particleITS) {particleITS=new TParticle();newparticleITS=kTRUE;}
\r
1174 if (!particleMotherITS) {particleMotherITS=new TParticle();newparticleMotherITS=kTRUE;}
\r
1176 /////////////////////////
\r
1178 //Double_t vtxX=vtxESD->GetX();
\r
1179 //Double_t vtxY=vtxESD->GetY();
\r
1180 //Double_t vtxZ=vtxESD->GetZ();
\r
1182 AliESDVertex* pvtxESD = (AliESDVertex*)vtxESD->Clone();
\r
1183 AliESDtrack* ptrack=(AliESDtrack*)track->Clone();
\r
1184 AliExternalTrackParam* ptpcInnerC = (AliExternalTrackParam*)tpcInnerC->Clone();
\r
1185 AliExternalTrackParam* ptrackInnerC = (AliExternalTrackParam*)trackInnerC->Clone();
\r
1186 AliExternalTrackParam* ptrackInnerC2 = (AliExternalTrackParam*)trackInnerC2->Clone();
\r
1187 AliExternalTrackParam* pouterITSc = (AliExternalTrackParam*)outerITSc->Clone();
\r
1188 AliExternalTrackParam* ptrackInnerC3 = (AliExternalTrackParam*)trackInnerC3->Clone();
\r
1190 if(fTreeSRedirector && dumpToTree)
\r
1193 (*fTreeSRedirector)<<"highPt"<<
\r
1194 "fileName.="<<&fileName<<
\r
1195 "runNumber="<<runNumber<<
\r
1196 "evtTimeStamp="<<evtTimeStamp<<
\r
1197 "evtNumberInFile="<<evtNumberInFile<<
\r
1198 "triggerClass="<<&triggerClass<< // trigger
\r
1200 "vtxESD.="<<pvtxESD<<
\r
1201 //"vtxESDx="<<vtxX<<
\r
1202 //"vtxESDy="<<vtxY<<
\r
1203 //"vtxESDz="<<vtxZ<<
\r
1207 "esdTrack.="<<ptrack<<
\r
1208 "extTPCInnerC.="<<ptpcInnerC<<
\r
1209 "extInnerParamC.="<<ptrackInnerC<<
\r
1210 "extInnerParam.="<<ptrackInnerC2<<
\r
1211 "extOuterITS.="<<pouterITSc<<
\r
1212 "extInnerParamRef.="<<ptrackInnerC3<<
\r
1213 "chi2TPCInnerC="<<chi2(0,0)<<
\r
1214 "chi2InnerC="<<chi2trackC(0,0)<<
\r
1215 "chi2OuterITS="<<chi2OuterITS(0,0)<<
\r
1216 "centralityF="<<centralityF;
\r
1219 (*fTreeSRedirector)<<"highPt"<<
\r
1220 "refTPCIn.="<<refTPCIn<<
\r
1221 "refITS.="<<refITS<<
\r
1222 "particle.="<<particle<<
\r
1223 "particleMother.="<<particleMother<<
\r
1225 "isPrim="<<isPrim<<
\r
1226 "isFromStrangess="<<isFromStrangess<<
\r
1227 "isFromConversion="<<isFromConversion<<
\r
1228 "isFromMaterial="<<isFromMaterial<<
\r
1229 "particleTPC.="<<particleTPC<<
\r
1230 "particleMotherTPC.="<<particleMotherTPC<<
\r
1231 "mechTPC="<<mechTPC<<
\r
1232 "isPrimTPC="<<isPrimTPC<<
\r
1233 "isFromStrangessTPC="<<isFromStrangessTPC<<
\r
1234 "isFromConversionTPC="<<isFromConversionTPC<<
\r
1235 "isFromMaterialTPC="<<isFromMaterialTPC<<
\r
1236 "particleITS.="<<particleITS<<
\r
1237 "particleMotherITS.="<<particleMotherITS<<
\r
1238 "mechITS="<<mechITS<<
\r
1239 "isPrimITS="<<isPrimITS<<
\r
1240 "isFromStrangessITS="<<isFromStrangessITS<<
\r
1241 "isFromConversionITS="<<isFromConversionITS<<
\r
1242 "isFromMaterialITS="<<isFromMaterialITS;
\r
1244 //finish writing the entry
\r
1245 (*fTreeSRedirector)<<"highPt"<<"\n";
\r
1250 delete ptpcInnerC;
\r
1251 delete ptrackInnerC;
\r
1252 delete ptrackInnerC2;
\r
1253 delete pouterITSc;
\r
1254 delete ptrackInnerC3;
\r
1256 ////////////////////
\r
1257 //delete the dummy objects we might have created.
\r
1258 if (newvtxESD) {delete vtxESD; vtxESD=NULL;}
\r
1259 if (newtrack) {delete track; track=NULL;}
\r
1260 if (newtpcInnerC) {delete tpcInnerC; tpcInnerC=NULL;}
\r
1261 if (newtrackInnerC) {delete trackInnerC; trackInnerC=NULL;}
\r
1262 if (newtrackInnerC2) {delete trackInnerC2; trackInnerC2=NULL;}
\r
1263 if (newouterITSc) {delete outerITSc; outerITSc=NULL;}
\r
1264 if (newtrackInnerC3) {delete trackInnerC3; trackInnerC3=NULL;}
\r
1265 if (newrefTPCIn) {delete refTPCIn; refTPCIn=NULL;}
\r
1266 if (newrefITS) {delete refITS; refITS=NULL;}
\r
1267 if (newparticle) {delete particle; particle=NULL;}
\r
1268 if (newparticleMother) {delete particleMother; particleMother=NULL;}
\r
1269 if (newparticleTPC) {delete particleTPC; particleTPC=NULL;}
\r
1270 if (newparticleMotherTPC) {delete particleMotherTPC; particleMotherTPC=NULL;}
\r
1271 if (newparticleITS) {delete particleITS; particleITS=NULL;}
\r
1272 if (newparticleMotherITS) {delete particleMotherITS; particleMotherITS=NULL;}
\r
1276 delete trackInnerC;
\r
1277 delete trackInnerC2;
\r
1279 delete trackInnerC3;
\r
1286 //_____________________________________________________________________________
\r
1287 void AliAnalysisTaskFilteredTree::ProcessMCEff(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1290 // Fill tree for efficiency studies MC only
\r
1293 AliDebug(AliLog::kError, "esdEvent not available");
\r
1298 AliDebug(AliLog::kError, "mcEvent not available");
\r
1302 // get selection cuts
\r
1303 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1304 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1305 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1307 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1308 AliDebug(AliLog::kError, "cuts not available");
\r
1312 // trigger selection
\r
1313 Bool_t isEventTriggered = kTRUE;
\r
1314 AliPhysicsSelection *physicsSelection = NULL;
\r
1315 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1318 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1319 if (!inputHandler)
\r
1321 Printf("ERROR: Could not receive input handler");
\r
1326 TTree *chain = (TChain*)GetInputData(0);
\r
1328 Printf("ERROR: Could not receive input chain");
\r
1331 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1334 if(evtCuts->IsTriggerRequired())
\r
1337 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1339 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1340 if(!physicsSelection) return;
\r
1342 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1343 // set trigger (V0AND)
\r
1344 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1345 if(!triggerAnalysis) return;
\r
1346 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1350 // centrality determination
\r
1351 Float_t centralityF = -1;
\r
1352 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
1353 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
1355 // use MC information
\r
1356 AliHeader* header = 0;
\r
1357 AliGenEventHeader* genHeader = 0;
\r
1358 AliStack* stack = 0;
\r
1361 Int_t multMCTrueTracks = 0;
\r
1366 AliDebug(AliLog::kError, "mcEvent not available");
\r
1369 // get MC event header
\r
1370 header = mcEvent->Header();
\r
1372 AliDebug(AliLog::kError, "Header not available");
\r
1375 // MC particle stack
\r
1376 stack = mcEvent->Stack();
\r
1378 AliDebug(AliLog::kError, "Stack not available");
\r
1383 genHeader = header->GenEventHeader();
\r
1385 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
1388 genHeader->PrimaryVertex(vtxMC);
\r
1390 // multipliticy of all MC primary tracks
\r
1391 // in Zv, pt and eta ranges)
\r
1392 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
1396 // get reconstructed vertex
\r
1397 //const AliESDVertex* vtxESD = 0;
\r
1398 AliESDVertex* vtxESD = 0;
\r
1399 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1400 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1402 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1403 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1409 if(!vtxESD) return;
\r
1411 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1412 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1413 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1415 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1417 // check event cuts
\r
1418 if(isEventOK && isEventTriggered)
\r
1420 if(IsUseMCInfo())
\r
1422 if(!stack) return;
\r
1427 TParticle *particle=NULL;
\r
1428 TParticle *particleMother=NULL;
\r
1431 // reco event info
\r
1432 Double_t vert[3] = {0};
\r
1433 vert[0] = vtxESD->GetXv();
\r
1434 vert[1] = vtxESD->GetYv();
\r
1435 vert[2] = vtxESD->GetZv();
\r
1436 Int_t mult = vtxESD->GetNContributors();
\r
1437 Double_t bz = esdEvent->GetMagneticField();
\r
1438 Double_t runNumber = esdEvent->GetRunNumber();
\r
1439 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
1440 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
1442 // loop over MC stack
\r
1443 for (Int_t iMc = 0; iMc < stack->GetNtrack(); ++iMc)
\r
1445 particle = stack->Particle(iMc);
\r
1449 // only charged particles
\r
1450 if(!particle->GetPDG()) continue;
\r
1451 Double_t charge = particle->GetPDG()->Charge()/3.;
\r
1452 if (TMath::Abs(charge) < 0.001)
\r
1455 // only primary particles
\r
1456 Bool_t prim = stack->IsPhysicalPrimary(iMc);
\r
1457 if(!prim) continue;
\r
1459 // downscale low-pT particles
\r
1460 Double_t scalempt= TMath::Min(particle->Pt(),10.);
\r
1461 Double_t downscaleF = gRandom->Rndm();
\r
1462 downscaleF *= fLowPtTrackDownscaligF;
\r
1463 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
1465 // is particle in acceptance
\r
1466 if(!accCuts->AcceptTrack(particle)) continue;
\r
1468 // check if particle reconstructed
\r
1469 Bool_t isRec = kFALSE;
\r
1470 Int_t trackIndex = -1;
\r
1471 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
1474 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
1475 if(!track) continue;
\r
1476 if(track->Charge()==0) continue;
\r
1477 if(esdTrackCuts->AcceptTrack(track) && accCuts->AcceptTrack(track))
\r
1479 Int_t label = TMath::Abs(track->GetLabel());
\r
1480 if(label == iMc) {
\r
1482 trackIndex = iTrack;
\r
1488 // Store information in the output tree
\r
1489 AliESDtrack *recTrack = NULL;
\r
1490 if(trackIndex>-1) {
\r
1491 recTrack = esdEvent->GetTrack(trackIndex);
\r
1493 recTrack = new AliESDtrack();
\r
1496 particleMother = GetMother(particle,stack);
\r
1497 mech = particle->GetUniqueID();
\r
1499 //MC particle track length
\r
1500 Double_t tpcTrackLength = 0.;
\r
1501 AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(iMc);
\r
1504 tpcTrackLength = mcParticle->GetTPCTrackLength(bz,0.05,counter,3.0);
\r
1509 if(fTreeSRedirector) {
\r
1510 (*fTreeSRedirector)<<"MCEffTree"<<
\r
1511 "fileName.="<<&fileName<<
\r
1512 "triggerClass.="<<&triggerClass<<
\r
1513 "runNumber="<<runNumber<<
\r
1514 "evtTimeStamp="<<evtTimeStamp<<
\r
1515 "evtNumberInFile="<<evtNumberInFile<<
\r
1517 "vtxESD.="<<vtxESD<<
\r
1519 "esdTrack.="<<recTrack<<
\r
1521 "tpcTrackLength="<<tpcTrackLength<<
\r
1522 "particle.="<<particle<<
\r
1523 "particleMother.="<<particleMother<<
\r
1528 if(trackIndex <0 && recTrack) delete recTrack; recTrack=0;
\r
1535 //_____________________________________________________________________________
\r
1536 Bool_t AliAnalysisTaskFilteredTree::IsHighDeDxParticle(AliESDtrack * track) {
\r
1538 // check if particle is Z > 1
\r
1540 if (track->GetTPCNcls() < 60) return kFALSE;
\r
1541 Double_t mom = track->GetInnerParam()->GetP();
\r
1542 if (mom < 0.2) return kFALSE; // protection against unexpected behavior of Aleph parameterization
\r
1543 Float_t dca[2], bCov[3];
\r
1544 track->GetImpactParameters(dca,bCov);
\r
1547 Double_t triggerDeDx = 4*AliExternalTrackParam::BetheBlochAleph((mom*2)/(0.938*3),1.0288,31.9806,5.04114e-11,2.13096,2.38541);
\r
1549 if (track->GetTPCsignal() > triggerDeDx && track->GetTPCsignal()<1000 && TMath::Abs(dca[0])<3.) return kTRUE;
\r
1554 //_____________________________________________________________________________
\r
1555 void AliAnalysisTaskFilteredTree::ProcessV0(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1558 // Select real events with V0 (K0s and Lambda) high-pT candidates
\r
1561 AliDebug(AliLog::kError, "esdEvent not available");
\r
1565 // get selection cuts
\r
1566 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1567 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1568 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1570 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1571 AliDebug(AliLog::kError, "cuts not available");
\r
1575 // trigger selection
\r
1576 Bool_t isEventTriggered = kTRUE;
\r
1577 AliPhysicsSelection *physicsSelection = NULL;
\r
1578 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1581 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1582 if (!inputHandler)
\r
1584 Printf("ERROR: Could not receive input handler");
\r
1589 TTree *chain = (TChain*)GetInputData(0);
\r
1591 Printf("ERROR: Could not receive input chain");
\r
1594 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1597 if(evtCuts->IsTriggerRequired())
\r
1600 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1602 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1603 if(!physicsSelection) return;
\r
1604 //SetPhysicsTriggerSelection(physicsSelection);
\r
1606 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1607 // set trigger (V0AND)
\r
1608 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1609 if(!triggerAnalysis) return;
\r
1610 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1614 // centrality determination
\r
1615 Float_t centralityF = -1;
\r
1616 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
1617 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
1620 // get reconstructed vertex
\r
1621 //const AliESDVertex* vtxESD = 0;
\r
1622 AliESDVertex* vtxESD = 0;
\r
1623 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1624 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1626 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1627 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1633 if(!vtxESD) return;
\r
1635 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1636 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1637 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1639 // check event cuts
\r
1640 if(isEventOK && isEventTriggered) {
\r
1642 // Dump the pt downscaled V0 into the tree
\r
1644 Int_t ntracks = esdEvent->GetNumberOfTracks();
\r
1645 Int_t nV0s = esdEvent->GetNumberOfV0s();
\r
1646 Int_t run = esdEvent->GetRunNumber();
\r
1647 Int_t time= esdEvent->GetTimeStamp();
\r
1648 Int_t evNr=esdEvent->GetEventNumberInFile();
\r
1649 Double_t bz = esdEvent->GetMagneticField();
\r
1652 for (Int_t iv0=0; iv0<nV0s; iv0++){
\r
1653 AliESDv0 * v0 = esdEvent->GetV0(iv0);
\r
1654 if (!v0) continue;
\r
1655 AliESDtrack * track0 = esdEvent->GetTrack(v0->GetIndex(0));
\r
1656 AliESDtrack * track1 = esdEvent->GetTrack(v0->GetIndex(1));
\r
1657 if (!track0) continue;
\r
1658 if (!track1) continue;
\r
1659 if (track0->GetSign()<0) {
\r
1660 track1 = esdEvent->GetTrack(v0->GetIndex(0));
\r
1661 track0 = esdEvent->GetTrack(v0->GetIndex(1));
\r
1664 Bool_t isDownscaled = IsV0Downscaled(v0);
\r
1665 if (isDownscaled) continue;
\r
1666 AliKFParticle kfparticle; //
\r
1667 Int_t type=GetKFParticle(v0,esdEvent,kfparticle);
\r
1668 if (type==0) continue;
\r
1669 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1671 if(!fTreeSRedirector) return;
\r
1672 (*fTreeSRedirector)<<"V0s"<<
\r
1673 "isDownscaled="<<isDownscaled<<
\r
1674 "triggerClass="<<&triggerClass<< // trigger
\r
1676 "fileName.="<<&fileName<<
\r
1677 "runNumber="<<run<<
\r
1678 "evtTimeStamp="<<time<<
\r
1679 "evtNumberInFile="<<evNr<<
\r
1681 "ntracks="<<ntracks<<
\r
1683 "kf.="<<&kfparticle<<
\r
1684 "track0.="<<track0<<
\r
1685 "track1.="<<track1<<
\r
1686 "centralityF="<<centralityF<<
\r
1692 //_____________________________________________________________________________
\r
1693 void AliAnalysisTaskFilteredTree::ProcessdEdx(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1696 // Select real events with large TPC dEdx signal
\r
1699 AliDebug(AliLog::kError, "esdEvent not available");
\r
1703 // get selection cuts
\r
1704 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1705 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1706 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1708 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1709 AliDebug(AliLog::kError, "cuts not available");
\r
1714 TTree *chain = (TChain*)GetInputData(0);
\r
1716 Printf("ERROR: Could not receive input chain");
\r
1719 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1722 Bool_t isEventTriggered = kTRUE;
\r
1723 AliPhysicsSelection *physicsSelection = NULL;
\r
1724 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1727 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1728 if (!inputHandler)
\r
1730 Printf("ERROR: Could not receive input handler");
\r
1734 if(evtCuts->IsTriggerRequired())
\r
1737 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1739 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1740 if(!physicsSelection) return;
\r
1742 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1743 // set trigger (V0AND)
\r
1744 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1745 if(!triggerAnalysis) return;
\r
1746 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1750 // get reconstructed vertex
\r
1751 AliESDVertex* vtxESD = 0;
\r
1752 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1753 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1755 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1756 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1761 if(!vtxESD) return;
\r
1763 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1764 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1765 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1768 // check event cuts
\r
1769 if(isEventOK && isEventTriggered)
\r
1771 Double_t vert[3] = {0};
\r
1772 vert[0] = vtxESD->GetXv();
\r
1773 vert[1] = vtxESD->GetYv();
\r
1774 vert[2] = vtxESD->GetZv();
\r
1775 Int_t mult = vtxESD->GetNContributors();
\r
1776 Double_t bz = esdEvent->GetMagneticField();
\r
1777 Double_t runNumber = esdEvent->GetRunNumber();
\r
1778 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
1779 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
1782 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
1784 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
1785 if(!track) continue;
\r
1786 if(track->Charge()==0) continue;
\r
1787 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
1788 if(!accCuts->AcceptTrack(track)) continue;
\r
1790 if(!IsHighDeDxParticle(track)) continue;
\r
1791 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1793 if(!fTreeSRedirector) return;
\r
1794 (*fTreeSRedirector)<<"dEdx"<<
\r
1795 "fileName.="<<&fileName<<
\r
1796 "runNumber="<<runNumber<<
\r
1797 "evtTimeStamp="<<evtTimeStamp<<
\r
1798 "evtNumberInFile="<<evtNumberInFile<<
\r
1799 "triggerClass="<<&triggerClass<< // trigger
\r
1801 "vtxESD.="<<vtxESD<<
\r
1803 "esdTrack.="<<track<<
\r
1809 //_____________________________________________________________________________
\r
1810 Int_t AliAnalysisTaskFilteredTree::GetKFParticle(AliESDv0 *const v0, AliESDEvent * const event, AliKFParticle & kfparticle)
\r
1813 // Create KF particle in case the V0 fullfill selection criteria
\r
1815 // Selection criteria
\r
1816 // 0. algorithm cut
\r
1819 // 4. rough mass cut
\r
1820 // 5. Normalized pointing angle cut
\r
1822 const Double_t cutMass=0.2;
\r
1823 const Double_t kSigmaDCACut=3;
\r
1825 // 0.) algo cut - accept only on the fly
\r
1827 if (v0->GetOnFlyStatus() ==kFALSE) return 0;
\r
1831 AliESDtrack * track0 = event->GetTrack(v0->GetIndex(0));
\r
1832 AliESDtrack * track1 = event->GetTrack(v0->GetIndex(1));
\r
1834 TCut cutD="abs(track0.fD/sqrt(track0.fCdd))>2&&abs(track1.fD/sqrt(track1.fCdd))>2";
\r
1835 TCut cutTheta="abs(track0.fP[3])<1&&abs(track1.fP[3])<1";
\r
1836 TCut cutNcl="track0.GetTPCClusterInfo(2,1)>100&&track1.GetTPCClusterInfo(2,1)>100";
\r
1838 if (TMath::Abs(track0->GetTgl())>1) return 0;
\r
1839 if (TMath::Abs(track1->GetTgl())>1) return 0;
\r
1840 if ((track0->GetTPCClusterInfo(2,1))<100) return 0;
\r
1841 if ((track1->GetTPCClusterInfo(2,1))<100) return 0;
\r
1842 //if ((track0->GetITSclusters(0))<2) return 0;
\r
1843 //if ((track1->GetITSclusters(0))<2) return 0;
\r
1844 Float_t pos0[2]={0}, cov0[3]={0};
\r
1845 Float_t pos1[2]={0}, cov1[3]={0};
\r
1846 track0->GetImpactParameters(pos0,cov0);
\r
1847 track0->GetImpactParameters(pos1,cov1);
\r
1849 if (TMath::Abs(pos0[0])<kSigmaDCACut*TMath::Sqrt(cov0[0])) return 0;
\r
1850 if (TMath::Abs(pos1[0])<kSigmaDCACut*TMath::Sqrt(cov1[0])) return 0;
\r
1855 Double_t chi2KF = v0->GetKFInfo(2,2,2);
\r
1856 if (chi2KF>25) return 0;
\r
1858 // 4.) Rough mass cut - 0.200 GeV
\r
1860 static Double_t masses[2]={-1};
\r
1862 masses[0] = TDatabasePDG::Instance()->GetParticle("K_S0")->Mass();
\r
1863 masses[1] = TDatabasePDG::Instance()->GetParticle("Lambda0")->Mass();
\r
1865 Double_t mass00= v0->GetEffMass(0,0);
\r
1866 Double_t mass22= v0->GetEffMass(2,2);
\r
1867 Double_t mass42= v0->GetEffMass(4,2);
\r
1868 Double_t mass24= v0->GetEffMass(2,4);
\r
1869 Bool_t massOK=kFALSE;
\r
1874 if (TMath::Abs(mass00-0)<cutMass) {
\r
1875 massOK=kTRUE; type+=1;
\r
1876 if (TMath::Abs(mass00-0)<dmass) {
\r
1878 dmass=TMath::Abs(mass00-0);
\r
1882 if (TMath::Abs(mass24-masses[1])<cutMass) {
\r
1883 massOK=kTRUE; type+=2;
\r
1884 if (TMath::Abs(mass24-masses[1])<dmass){
\r
1885 dmass = TMath::Abs(mass24-masses[1]);
\r
1890 if (TMath::Abs(mass42-masses[1])<cutMass) {
\r
1891 massOK=kTRUE; type+=4;
\r
1892 if (TMath::Abs(mass42-masses[1])<dmass){
\r
1893 dmass = TMath::Abs(mass42-masses[1]);
\r
1898 if (TMath::Abs(mass22-masses[0])<cutMass) {
\r
1899 massOK=kTRUE; type+=8;
\r
1900 if (TMath::Abs(mass22-masses[0])<dmass){
\r
1901 dmass = TMath::Abs(mass22-masses[0]);
\r
1906 if (type==0) return 0;
\r
1908 const Int_t spdg[5]={kPositron,kMuonPlus,kPiPlus, kKPlus, kProton};
\r
1909 const AliExternalTrackParam *paramP = v0->GetParamP();
\r
1910 const AliExternalTrackParam *paramN = v0->GetParamN();
\r
1911 if (paramP->GetSign()<0){
\r
1912 paramP=v0->GetParamP();
\r
1913 paramN=v0->GetParamN();
\r
1915 //Double_t *pparam1 = (Double_t*)paramP->GetParameter();
\r
1916 //Double_t *pparam2 = (Double_t*)paramN->GetParameter();
\r
1918 AliKFParticle kfp1( *paramP, spdg[p1] );
\r
1919 AliKFParticle kfp2( *paramN, -1 *spdg[p2] );
\r
1920 AliKFParticle V0KF;
\r
1927 Double_t errPhi = V0KF.GetErrPhi();
\r
1928 Double_t pointAngle= TMath::ACos(v0->GetV0CosineOfPointingAngle());
\r
1929 if (pointAngle/errPhi>10) return 0;
\r
1934 //_____________________________________________________________________________
\r
1935 Bool_t AliAnalysisTaskFilteredTree::IsV0Downscaled(AliESDv0 *const v0)
\r
1938 // Downscale randomly low pt V0
\r
1941 Double_t maxPt= TMath::Max(v0->GetParamP()->Pt(), v0->GetParamN()->Pt());
\r
1942 Double_t scalempt= TMath::Min(maxPt,10.);
\r
1943 Double_t downscaleF = gRandom->Rndm();
\r
1944 downscaleF *= fLowPtV0DownscaligF;
\r
1946 //printf("V0 TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
1947 if (TMath::Exp(2*scalempt)<downscaleF) return kTRUE;
\r
1951 TH1F his1("his1","his1",100,0,10);
\r
1952 TH1F his2("his2","his2",100,0,10);
\r
1953 {for (Int_t i=0; i<10000; i++){
\r
1954 Double_t rnd=gRandom->Exp(1);
\r
1955 Bool_t isDownscaled =TMath::Exp(rnd)<100*gRandom->Rndm();
\r
1957 if (!isDownscaled) his2->Fill(rnd);
\r
1966 //_____________________________________________________________________________
\r
1967 Bool_t AliAnalysisTaskFilteredTree::ConstrainTPCInner(AliExternalTrackParam *const tpcInnerC, const AliESDVertex* vtx, Double_t b[3])
\r
1969 // Constrain TPC inner params constrained
\r
1971 if(!tpcInnerC) return kFALSE;
\r
1972 if(!vtx) return kFALSE;
\r
1974 Double_t dz[2],cov[3];
\r
1975 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
\r
1976 //if(!tpcInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
\r
1977 //if(!tpcInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
\r
1978 if(!tpcInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
\r
1981 Double_t covar[6]; vtx->GetCovMatrix(covar);
\r
1982 Double_t p[2]={tpcInnerC->GetParameter()[0]-dz[0],tpcInnerC->GetParameter()[1]-dz[1]};
\r
1983 Double_t c[3]={covar[2],0.,covar[5]};
\r
1984 Double_t chi2C=tpcInnerC->GetPredictedChi2(p,c);
\r
1985 if (chi2C>kVeryBig) return kFALSE;
\r
1987 if(!tpcInnerC->Update(p,c)) return kFALSE;
\r
1992 //_____________________________________________________________________________
\r
1993 Bool_t AliAnalysisTaskFilteredTree::ConstrainTrackInner(AliExternalTrackParam *const trackInnerC, const AliESDVertex* vtx, Double_t mass, Double_t b[3])
\r
1995 // Constrain TPC inner params constrained
\r
1997 if(!trackInnerC) return kFALSE;
\r
1998 if(!vtx) return kFALSE;
\r
2000 const Double_t kRadius = 2.8;
\r
2001 const Double_t kMaxStep = 1.0;
\r
2003 Double_t dz[2],cov[3];
\r
2005 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
\r
2006 //if(!trackInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
\r
2007 //if(!trackInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
\r
2009 if(!AliTracker::PropagateTrackToBxByBz(trackInnerC,kRadius,mass,kMaxStep,kFALSE)) return kFALSE;
\r
2010 if(!trackInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
\r
2013 Double_t covar[6]; vtx->GetCovMatrix(covar);
\r
2014 Double_t p[2]={trackInnerC->GetParameter()[0]-dz[0],trackInnerC->GetParameter()[1]-dz[1]};
\r
2015 Double_t c[3]={covar[2],0.,covar[5]};
\r
2016 Double_t chi2C=trackInnerC->GetPredictedChi2(p,c);
\r
2017 if (chi2C>kVeryBig) return kFALSE;
\r
2019 if(!trackInnerC->Update(p,c)) return kFALSE;
\r
2025 //_____________________________________________________________________________
\r
2026 TParticle *AliAnalysisTaskFilteredTree::GetMother(TParticle *const particle, AliStack *const stack)
\r
2028 if(!particle) return NULL;
\r
2029 if(!stack) return NULL;
\r
2031 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2032 TParticle* mother = NULL;
\r
2033 mother = stack->Particle(motherLabel);
\r
2038 //_____________________________________________________________________________
\r
2039 Bool_t AliAnalysisTaskFilteredTree::IsFromConversion(const Int_t label, AliStack *const stack)
\r
2041 Bool_t isFromConversion = kFALSE;
\r
2044 TParticle* particle = stack->Particle(label);
\r
2046 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
2048 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
2049 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
2051 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2052 TParticle* mother = stack->Particle(motherLabel);
\r
2054 Int_t motherPdg = mother->GetPdgCode();
\r
2056 if(!isPrim && mech==5 && motherPdg==kGamma) {
\r
2057 isFromConversion=kTRUE;
\r
2063 return isFromConversion;
\r
2066 //_____________________________________________________________________________
\r
2067 Bool_t AliAnalysisTaskFilteredTree::IsFromMaterial(const Int_t label, AliStack *const stack)
\r
2069 Bool_t isFromMaterial = kFALSE;
\r
2072 TParticle* particle = stack->Particle(label);
\r
2074 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
2076 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
2077 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
2079 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2080 TParticle* mother = stack->Particle(motherLabel);
\r
2082 if(!isPrim && mech==13) {
\r
2083 isFromMaterial=kTRUE;
\r
2089 return isFromMaterial;
\r
2092 //_____________________________________________________________________________
\r
2093 Bool_t AliAnalysisTaskFilteredTree::IsFromStrangeness(const Int_t label, AliStack *const stack)
\r
2095 Bool_t isFromStrangeness = kFALSE;
\r
2098 TParticle* particle = stack->Particle(label);
\r
2100 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
2102 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
2103 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
2105 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2106 TParticle* mother = stack->Particle(motherLabel);
\r
2108 Int_t motherPdg = mother->GetPdgCode();
\r
2110 // K+-, lambda, antilambda, K0s decays
\r
2111 if(!isPrim && mech==4 &&
\r
2112 (TMath::Abs(motherPdg)==kKPlus || TMath::Abs(motherPdg)==kLambda0 || motherPdg==kK0Short))
\r
2114 isFromStrangeness = kTRUE;
\r
2120 return isFromStrangeness;
\r
2124 //_____________________________________________________________________________
\r
2125 void AliAnalysisTaskFilteredTree::FinishTaskOutput()
\r
2128 // Called one at the end
\r
2129 // locally on working node
\r
2132 //// must be deleted to store trees
\r
2133 //if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector=0;
\r
2135 //// open temporary file and copy trees to the ouptut container
\r
2137 //TChain* chain = 0;
\r
2139 //chain = new TChain("highPt");
\r
2141 // chain->Add("jotwinow_Temp_Trees.root");
\r
2142 // fHighPtTree = chain->CopyTree("1");
\r
2143 // delete chain; chain=0;
\r
2145 //if(fHighPtTree) fHighPtTree->Print();
\r
2148 //chain = new TChain("V0s");
\r
2150 // chain->Add("jotwinow_Temp_Trees.root");
\r
2151 // fV0Tree = chain->CopyTree("1");
\r
2152 // delete chain; chain=0;
\r
2154 //if(fV0Tree) fV0Tree->Print();
\r
2157 //chain = new TChain("dEdx");
\r
2159 // chain->Add("jotwinow_Temp_Trees.root");
\r
2160 // fdEdxTree = chain->CopyTree("1");
\r
2161 // delete chain; chain=0;
\r
2163 //if(fdEdxTree) fdEdxTree->Print();
\r
2166 //chain = new TChain("Laser");
\r
2168 // chain->Add("jotwinow_Temp_Trees.root");
\r
2169 // fLaserTree = chain->CopyTree("1");
\r
2170 // delete chain; chain=0;
\r
2172 //if(fLaserTree) fLaserTree->Print();
\r
2175 //chain = new TChain("MCEffTree");
\r
2177 // chain->Add("jotwinow_Temp_Trees.root");
\r
2178 // fMCEffTree = chain->CopyTree("1");
\r
2179 // delete chain; chain=0;
\r
2181 //if(fMCEffTree) fMCEffTree->Print();
\r
2184 //chain = new TChain("CosmicPairs");
\r
2186 // chain->Add("jotwinow_Temp_Trees.root");
\r
2187 // fCosmicPairsTree = chain->CopyTree("1");
\r
2188 // delete chain; chain=0;
\r
2190 //if(fCosmicPairsTree) fCosmicPairsTree->Print();
\r
2195 // Post output data.
\r
2196 //PostData(1, fHighPtTree);
\r
2197 //PostData(2, fV0Tree);
\r
2198 //PostData(3, fdEdxTree);
\r
2199 //PostData(4, fLaserTree);
\r
2200 //PostData(5, fMCEffTree);
\r
2201 //PostData(6, fCosmicPairsTree);
\r
2204 //_____________________________________________________________________________
\r
2205 void AliAnalysisTaskFilteredTree::Terminate(Option_t *)
\r
2207 // Called one at the end
\r
2209 fOutputSummary = dynamic_cast<TTree*> (GetOutputData(1));
\r
2210 if(fOutputSummary) delete fOutputSummary; fOutputSummary=0;
\r
2211 TChain* chain = new TChain("highPt");
\r
2212 if(!chain) return;
\r
2213 chain->Add("jotwinow_HighPt_TrackAndV0_Trees.root");
\r
2214 TTree *tree = chain->CopyTree("1");
\r
2215 if (chain) { delete chain; chain=0; }
\r
2218 fOutputSummary = tree;
\r
2220 if (!fOutputSummary) {
\r
2221 Printf("ERROR: AliAnalysisTaskFilteredTree::Terminate(): Output data not avaiable %p \n", GetOutputData(1));
\r
2227 //_____________________________________________________________________________
\r
2228 Int_t AliAnalysisTaskFilteredTree::GetMCTrueTrackMult(AliMCEvent *const mcEvent, AliFilteredTreeEventCuts *const evtCuts, AliFilteredTreeAcceptanceCuts *const accCuts)
\r
2231 // calculate mc event true track multiplicity
\r
2233 if(!mcEvent) return 0;
\r
2235 AliStack* stack = 0;
\r
2238 // MC particle stack
\r
2239 stack = mcEvent->Stack();
\r
2240 if (!stack) return 0;
\r
2243 //printf("minZv %f, maxZv %f \n", evtCuts->GetMinZv(), evtCuts->GetMaxZv());
\r
2246 Bool_t isEventOK = evtCuts->AcceptMCEvent(mcEvent);
\r
2247 if(!isEventOK) return 0;
\r
2249 Int_t nPart = stack->GetNtrack();
\r
2250 for (Int_t iMc = 0; iMc < nPart; ++iMc)
\r
2252 TParticle* particle = stack->Particle(iMc);
\r
2256 // only charged particles
\r
2257 if(!particle->GetPDG()) continue;
\r
2258 Double_t charge = particle->GetPDG()->Charge()/3.;
\r
2259 if (TMath::Abs(charge) < 0.001)
\r
2262 // physical primary
\r
2263 Bool_t prim = stack->IsPhysicalPrimary(iMc);
\r
2264 if(!prim) continue;
\r
2266 // checked accepted without pt cut
\r
2267 //if(accCuts->AcceptTrack(particle))
\r
2268 if( particle->Eta() > accCuts->GetMinEta() && particle->Eta() < accCuts->GetMaxEta() )
\r