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 "AliVTrack.h"
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48 #include "AliGeomManager.h"
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50 #include "AliCentrality.h"
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51 #include "AliESDVZERO.h"
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52 #include "AliMultiplicity.h"
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54 #include "AliESDtrackCuts.h"
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55 #include "AliMCEventHandler.h"
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56 #include "AliFilteredTreeEventCuts.h"
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57 #include "AliFilteredTreeAcceptanceCuts.h"
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59 #include "AliAnalysisTaskFilteredTree.h"
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60 #include "AliKFParticle.h"
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61 #include "AliESDv0.h"
\r
63 using namespace std;
\r
65 ClassImp(AliAnalysisTaskFilteredTree)
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67 //_____________________________________________________________________________
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68 AliAnalysisTaskFilteredTree::AliAnalysisTaskFilteredTree(const char *name)
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69 : AliAnalysisTaskSE(name)
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75 , fUseMCInfo(kFALSE)
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76 , fUseESDfriends(kFALSE)
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77 , fReducePileUp(kTRUE)
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78 , fFilteredTreeEventCuts(0)
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79 , fFilteredTreeAcceptanceCuts(0)
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80 , fFilteredTreeRecAcceptanceCuts(0)
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82 , fTrigger(AliTriggerAnalysis::kMB1)
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83 , fAnalysisMode(kTPCAnalysisMode)
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84 , fTreeSRedirector(0)
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85 , fCentralityEstimator(0)
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86 , fLowPtTrackDownscaligF(0)
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87 , fLowPtV0DownscaligF(0)
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88 , fProcessAll(kFALSE)
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89 , fProcessCosmics(kFALSE)
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95 , fCosmicPairsTree(0)
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99 // Define input and output slots here
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100 DefineOutput(1, TTree::Class());
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101 DefineOutput(2, TTree::Class());
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102 DefineOutput(3, TTree::Class());
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103 DefineOutput(4, TTree::Class());
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104 DefineOutput(5, TTree::Class());
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105 DefineOutput(6, TTree::Class());
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108 //_____________________________________________________________________________
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109 AliAnalysisTaskFilteredTree::~AliAnalysisTaskFilteredTree()
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111 //the output trees not to be deleted in case of proof analysis
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112 Bool_t deleteTrees=kTRUE;
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113 if ((AliAnalysisManager::GetAnalysisManager()))
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115 if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() ==
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116 AliAnalysisManager::kProofAnalysis)
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117 deleteTrees=kFALSE;
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119 if (deleteTrees) delete fTreeSRedirector;
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121 delete fFilteredTreeEventCuts;
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122 delete fFilteredTreeAcceptanceCuts;
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123 delete fFilteredTreeRecAcceptanceCuts;
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124 delete fEsdTrackCuts;
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127 //____________________________________________________________________________
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128 Bool_t AliAnalysisTaskFilteredTree::Notify()
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130 static Int_t count = 0;
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132 TTree *chain = (TChain*)GetInputData(0);
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135 Printf("Processing %d. file: %s", count, chain->GetCurrentFile()->GetName());
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141 //_____________________________________________________________________________
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142 void AliAnalysisTaskFilteredTree::UserCreateOutputObjects()
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144 // Create histograms
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148 //get the output file to make sure the trees will be associated to it
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150 fTreeSRedirector = new TTreeSRedirector();
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154 fV0Tree = ((*fTreeSRedirector)<<"V0s").GetTree();
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155 fHighPtTree = ((*fTreeSRedirector)<<"highPt").GetTree();
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156 fdEdxTree = ((*fTreeSRedirector)<<"dEdx").GetTree();
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157 fLaserTree = ((*fTreeSRedirector)<<"Laser").GetTree();
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158 fMCEffTree = ((*fTreeSRedirector)<<"MCEffTree").GetTree();
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159 fCosmicPairsTree = ((*fTreeSRedirector)<<"CosmicPairs").GetTree();
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161 PostData(1,fV0Tree);
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162 PostData(2,fHighPtTree);
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163 PostData(3,fdEdxTree);
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164 PostData(4,fLaserTree);
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165 PostData(5,fMCEffTree);
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166 PostData(6,fCosmicPairsTree);
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169 //_____________________________________________________________________________
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170 void AliAnalysisTaskFilteredTree::UserExec(Option_t *)
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173 // Called for each event
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177 fESD = (AliESDEvent*) (InputEvent());
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179 Printf("ERROR: ESD event not available");
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187 Printf("ERROR: MC event not available");
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192 if(fUseESDfriends) {
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193 fESDfriend = static_cast<AliESDfriend*>(fESD->FindListObject("AliESDfriend"));
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195 Printf("ERROR: ESD friends not available");
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201 ProcessAll(fESD,fMC,fESDfriend); // all track stages and MC
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204 Process(fESD,fMC,fESDfriend); // only global and TPC tracks
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208 ProcessV0(fESD,fMC,fESDfriend);
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209 ProcessLaser(fESD,fMC,fESDfriend);
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210 ProcessdEdx(fESD,fMC,fESDfriend);
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212 if (fProcessCosmics) { ProcessCosmics(fESD); }
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213 if(IsUseMCInfo()) { ProcessMCEff(fESD,fMC,fESDfriend); }
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216 //_____________________________________________________________________________
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217 void AliAnalysisTaskFilteredTree::ProcessCosmics(AliESDEvent *const event)
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220 // Select real events with high-pT tracks
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223 AliDebug(AliLog::kError, "event not available");
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228 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
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231 Printf("ERROR: Could not receive input handler");
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236 TTree *chain = (TChain*)GetInputData(0);
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238 Printf("ERROR: Could not receive input chain");
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241 TObjString fileName(chain->GetCurrentFile()->GetName());
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244 // check for cosmic pairs
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246 // find cosmic pairs trigger by random trigger
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249 AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD();
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250 AliESDVertex *vertexTPC = (AliESDVertex *)event->GetPrimaryVertexTPC();
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251 const Double_t kMinPt=0.8;
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252 const Double_t kMinPtMax=0.8;
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253 const Double_t kMinNcl=50;
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254 const Double_t kMaxDelta[5]={2,600,0.02,0.02,0.1};
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255 Int_t ntracks=event->GetNumberOfTracks();
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256 // Float_t dcaTPC[2]={0,0};
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257 // Float_t covTPC[3]={0,0,0};
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259 UInt_t specie = event->GetEventSpecie(); // skip laser events
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260 if (specie==AliRecoParam::kCalib) return;
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264 for (Int_t itrack0=0;itrack0<ntracks;itrack0++) {
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265 AliESDtrack *track0 = event->GetTrack(itrack0);
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266 if (!track0) continue;
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267 if (!track0->IsOn(AliESDtrack::kTPCrefit)) continue;
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269 if (TMath::Abs(AliTracker::GetBz())>1 && track0->Pt() < kMinPt) continue;
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270 if (track0->Pt() < kMinPt) continue;
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271 if (track0->GetTPCncls() < kMinNcl) continue;
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272 if (TMath::Abs(track0->GetY())<kMaxDelta[0]) continue;
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273 if (track0->GetKinkIndex(0)>0) continue;
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274 const Double_t * par0=track0->GetParameter(); //track param at rhe DCA
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277 //track0->GetImpactParametersTPC(dcaTPC,covTPC);
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278 //if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
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279 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
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280 // const AliExternalTrackParam * trackIn0 = track0->GetInnerParam();
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281 for (Int_t itrack1=itrack0+1;itrack1<ntracks;itrack1++) {
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282 AliESDtrack *track1 = event->GetTrack(itrack1);
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283 if (!track1) continue;
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284 if (!track1->IsOn(AliESDtrack::kTPCrefit)) continue;
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285 if (track1->GetKinkIndex(0)>0) continue;
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286 if ((TMath::Abs(AliTracker::GetBz())>1) && (track1->Pt() < kMinPt)) continue;
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287 if (track1->Pt() < kMinPt) continue;
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288 if (track1->GetTPCncls()<kMinNcl) continue;
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289 if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Max(track1->Pt(), track0->Pt())<kMinPtMax) continue;
\r
290 if (TMath::Abs(track1->GetY())<kMaxDelta[0]) continue;
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291 //track1->GetImpactParametersTPC(dcaTPC,covTPC);
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292 // if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
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293 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
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295 const Double_t* par1=track1->GetParameter(); //track param at rhe DCA
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297 Bool_t isPair=kTRUE;
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298 for (Int_t ipar=0; ipar<5; ipar++){
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299 if (ipar==4&&TMath::Abs(AliTracker::GetBz())<1) continue; // 1/pt not defined for B field off
\r
300 if (TMath::Abs(TMath::Abs(par0[ipar])-TMath::Abs(par1[ipar]))>kMaxDelta[ipar]) isPair=kFALSE;
\r
302 if (!isPair) continue;
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303 if (TMath::Abs(TMath::Abs(track0->GetAlpha()-track1->GetAlpha())-TMath::Pi())>kMaxDelta[2]) isPair=kFALSE;
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304 //delta with correct sign
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306 TCut cut0="abs(t1.fP[0]+t0.fP[0])<2"
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307 TCut cut3="abs(t1.fP[3]+t0.fP[3])<0.02"
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308 TCut cut4="abs(t1.fP[4]+t0.fP[4])<0.2"
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310 if (TMath::Abs(par0[0]+par1[0])>kMaxDelta[0]) isPair=kFALSE; //delta y opposite sign
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311 if (TMath::Abs(par0[3]+par1[3])>kMaxDelta[3]) isPair=kFALSE; //delta tgl opposite sign
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312 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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313 if (!isPair) continue;
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314 TString filename(AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile()->GetName());
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315 Int_t eventNumber = event->GetEventNumberInFile();
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316 //Bool_t hasFriend = kFALSE;
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317 //Bool_t hasITS=(track0->GetNcls(0)+track1->GetNcls(0)>4);
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318 //printf("DUMPHPTCosmic:%s|%f|%d|%d|%d\n",filename.Data(),(TMath::Min(track0->Pt(),track1->Pt())), eventNumber,hasFriend,hasITS);
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319 // const AliExternalTrackParam * trackIn1 = track1->GetInnerParam();
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322 Int_t ntracksSPD = vertexSPD->GetNContributors();
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323 Int_t ntracksTPC = vertexTPC->GetNContributors();
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324 Int_t runNumber = event->GetRunNumber();
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325 Int_t timeStamp = event->GetTimeStamp();
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326 ULong64_t triggerMask = event->GetTriggerMask();
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327 Float_t magField = event->GetMagneticField();
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328 TObjString triggerClass = event->GetFiredTriggerClasses().Data();
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331 // Dump to the tree
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336 //fCosmicPairsTree->Branch("fileName",&fileName,32000,0);
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337 //fCosmicPairsTree->Branch("runNumber",&runNumber,"runNumber/I");
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338 //fCosmicPairsTree->Branch("timeStamp",&timeStamp,"timeStamp/I");
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339 //fCosmicPairsTree->Branch("eventNumber",&eventNumber,"eventNumber/I");
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340 //fCosmicPairsTree->Branch("triggerMask",&triggerMask,32000,0);
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341 //fCosmicPairsTree->Branch("triggerClass",&triggerClass,32000,0);
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342 //fCosmicPairsTree->Branch("magField",&magField,"magField/F");
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343 //fCosmicPairsTree->Branch("ntracksSPD",&ntracksSPD,"ntracksSPD/I");
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344 //fCosmicPairsTree->Branch("ntracksTPC",&ntracksTPC,"ntracksTPC/I");
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345 //fCosmicPairsTree->Branch("vertexSPD",vertexSPD,32000,0);
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346 //fCosmicPairsTree->Branch("vertexTPC",vertexTPC,32000,0);
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347 //fCosmicPairsTree->Branch("track0",track0,32000,0);
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348 //fCosmicPairsTree->Branch("track1",track1,32000,0);
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350 //fCosmicPairsTree->Fill();
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352 if(!fTreeSRedirector) return;
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353 (*fTreeSRedirector)<<"CosmicPairs"<<
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354 "fileName.="<<&fileName<< // file name
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355 "runNumber="<<runNumber<< // run number
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356 "evtTimeStamp="<<timeStamp<< // time stamp of event
\r
357 "evtNumberInFile="<<eventNumber<< // event number
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358 "trigger="<<triggerMask<< // trigger
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359 "triggerClass="<<&triggerClass<< // trigger
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360 "Bz="<<magField<< // magnetic field
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362 "multSPD="<<ntracksSPD<<
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363 "multTPC="<<ntracksTPC<<
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364 "vertSPD.="<<vertexSPD<< //primary vertex -SPD
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365 "vertTPC.="<<vertexTPC<< //primary vertex -TPC
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366 "t0.="<<track0<< //track0
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367 "t1.="<<track1<< //track1
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374 //_____________________________________________________________________________
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375 void AliAnalysisTaskFilteredTree::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
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378 // Select real events with high-pT tracks
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381 AliDebug(AliLog::kError, "esdEvent not available");
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385 // get selection cuts
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386 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
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387 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
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388 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
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390 if(!evtCuts || !accCuts || !esdTrackCuts) {
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391 Printf("ERROR cuts not available");
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395 // trigger selection
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396 Bool_t isEventTriggered = kTRUE;
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397 AliPhysicsSelection *physicsSelection = NULL;
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398 AliTriggerAnalysis* triggerAnalysis = NULL;
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401 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
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404 Printf("ERROR: Could not receive input handler");
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409 TTree *chain = (TChain*)GetInputData(0);
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411 Printf("ERROR: Could not receive input chain");
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414 TObjString fileName(chain->GetCurrentFile()->GetName());
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417 if(evtCuts->IsTriggerRequired())
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420 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
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422 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
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423 if(!physicsSelection) return;
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424 //SetPhysicsTriggerSelection(physicsSelection);
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426 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
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427 // set trigger (V0AND)
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428 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
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429 if(!triggerAnalysis) return;
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430 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
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434 // centrality determination
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435 Float_t centralityF = -1;
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436 AliCentrality *esdCentrality = esdEvent->GetCentrality();
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437 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
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439 // use MC information
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440 AliHeader* header = 0;
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441 AliGenEventHeader* genHeader = 0;
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442 AliStack* stack = 0;
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445 Int_t multMCTrueTracks = 0;
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450 AliDebug(AliLog::kError, "mcEvent not available");
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453 // get MC event header
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454 header = mcEvent->Header();
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456 AliDebug(AliLog::kError, "Header not available");
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459 // MC particle stack
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460 stack = mcEvent->Stack();
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462 AliDebug(AliLog::kError, "Stack not available");
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467 genHeader = header->GenEventHeader();
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469 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
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472 genHeader->PrimaryVertex(vtxMC);
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474 // multipliticy of all MC primary tracks
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475 // in Zv, pt and eta ranges)
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476 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
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480 // get reconstructed vertex
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481 //const AliESDVertex* vtxESD = 0;
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482 AliESDVertex* vtxESD = 0;
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483 if(GetAnalysisMode() == kTPCAnalysisMode) {
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484 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
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486 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
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487 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
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493 if(!vtxESD) return;
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495 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
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496 //printf("isEventOK %d, isEventTriggered %d, status %d, vz %f \n",isEventOK, isEventTriggered, vtxESD->GetStatus(), vtxESD->GetZv());
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497 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
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498 Int_t ntracks = esdEvent->GetNumberOfTracks();
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500 // check event cuts
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501 if(isEventOK && isEventTriggered)
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505 // get IR information
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507 AliESDHeader *esdHeader = 0;
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508 esdHeader = esdEvent->GetHeader();
\r
509 if(!esdHeader) return;
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510 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
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511 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
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513 // Use when Peter commit the changes in the header
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518 Double_t vert[3] = {0};
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519 vert[0] = vtxESD->GetXv();
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520 vert[1] = vtxESD->GetYv();
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521 vert[2] = vtxESD->GetZv();
\r
522 Int_t mult = vtxESD->GetNContributors();
\r
523 Float_t bz = esdEvent->GetMagneticField();
\r
524 Int_t runNumber = esdEvent->GetRunNumber();
\r
525 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
526 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
529 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
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531 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
532 if(!track) continue;
\r
533 if(track->Charge()==0) continue;
\r
534 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
535 if(!accCuts->AcceptTrack(track)) continue;
\r
537 // downscale low-pT tracks
\r
538 Double_t scalempt= TMath::Min(track->Pt(),10.);
\r
539 Double_t downscaleF = gRandom->Rndm();
\r
540 downscaleF *= fLowPtTrackDownscaligF;
\r
541 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
542 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
544 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
\r
545 if (!tpcInner) continue;
\r
546 // transform to the track reference frame
\r
547 Bool_t isOK = kFALSE;
\r
548 isOK = tpcInner->Rotate(track->GetAlpha());
\r
549 isOK = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
550 if(!isOK) continue;
\r
552 // Dump to the tree
\r
556 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
558 //fHighPtTree->Branch("fileName",&fileName,32000,0);
\r
559 //fHighPtTree->Branch("runNumber",&runNumber,"runNumber/I");
\r
560 //fHighPtTree->Branch("evtTimeStamp",&evtTimeStamp,"evtTimeStamp/I");
\r
561 //fHighPtTree->Branch("evtNumberInFile",&evtNumberInFile,"evtNumberInFile/I");
\r
562 //fHighPtTree->Branch("triggerClass",&triggerClass,32000,0);
\r
563 //fHighPtTree->Branch("Bz",&bz,"Bz/F");
\r
564 //fHighPtTree->Branch("vtxESD",vtxESD,32000,0);
\r
565 //fHighPtTree->Branch("IRtot",&ir1,"IRtot/I");
\r
566 //fHighPtTree->Branch("IRint2",&ir2,"IRint2/I");
\r
567 //fHighPtTree->Branch("mult",&mult,"mult/I");
\r
568 //fHighPtTree->Branch("esdTrack",track,32000,0);
\r
569 //fHighPtTree->Branch("centralityF",¢ralityF,"centralityF/F");
\r
571 //fHighPtTree->Fill();
\r
573 //Double_t vtxX=vtxESD->GetX();
\r
574 //Double_t vtxY=vtxESD->GetY();
\r
575 //Double_t vtxZ=vtxESD->GetZ();
\r
576 if(!fTreeSRedirector) return;
\r
577 (*fTreeSRedirector)<<"highPt"<<
\r
578 "fileName.="<<&fileName<<
\r
579 "runNumber="<<runNumber<<
\r
580 "evtTimeStamp="<<evtTimeStamp<<
\r
581 "evtNumberInFile="<<evtNumberInFile<<
\r
582 "triggerClass="<<&triggerClass<< // trigger
\r
583 "Bz="<<bz<< // magnetic field
\r
584 "vtxESD.="<<vtxESD<<
\r
585 "ntracksESD="<<ntracks<< // number of tracks in the ESD
\r
586 // "vtxESDx="<<vtxX<<
\r
587 // "vtxESDy="<<vtxY<<
\r
588 // "vtxESDz="<<vtxZ<<
\r
589 "IRtot="<<ir1<< // interaction record history info
\r
591 "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex
\r
592 "esdTrack.="<<track<<
\r
593 "centralityF="<<centralityF<<
\r
601 //_____________________________________________________________________________
\r
602 void AliAnalysisTaskFilteredTree::ProcessLaser(AliESDEvent *const esdEvent, AliMCEvent * const /*mcEvent*/, AliESDfriend *const /*esdFriend*/)
\r
605 // Process laser events
\r
608 AliDebug(AliLog::kError, "esdEvent not available");
\r
613 TTree *chain = (TChain*)GetInputData(0);
\r
615 Printf("ERROR: Could not receive input chain");
\r
618 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
621 const AliESDHeader* esdHeader = esdEvent->GetHeader();
\r
622 if(esdHeader && esdHeader->GetEventSpecie()==AliRecoParam::kCalib)
\r
624 Int_t countLaserTracks = 0;
\r
625 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
627 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
628 if(!track) continue;
\r
630 if(track->GetTPCInnerParam()) countLaserTracks++;
\r
633 if(countLaserTracks > 100)
\r
635 Int_t runNumber = esdEvent->GetRunNumber();
\r
636 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
637 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
638 Float_t bz = esdEvent->GetMagneticField();
\r
639 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
641 //fLaserTree->Branch("fileName",&fileName,32000,0);
\r
642 //fLaserTree->Branch("runNumber",&runNumber,"runNumber/I");
\r
643 //fLaserTree->Branch("evtTimeStamp",&evtTimeStamp,"evtTimeStamp/I");
\r
644 //fLaserTree->Branch("evtNumberInFile",&evtNumberInFile,"evtNumberInFile/I");
\r
645 //fLaserTree->Branch("triggerClass",&triggerClass,32000,0);
\r
646 //fLaserTree->Branch("Bz",&bz,"Bz/F");
\r
647 //fLaserTree->Branch("multTPCtracks",&countLaserTracks,"multTPCtracks/I");
\r
649 //fLaserTree->Fill();
\r
651 if(!fTreeSRedirector) return;
\r
652 (*fTreeSRedirector)<<"Laser"<<
\r
653 "fileName.="<<&fileName<<
\r
654 "runNumber="<<runNumber<<
\r
655 "evtTimeStamp="<<evtTimeStamp<<
\r
656 "evtNumberInFile="<<evtNumberInFile<<
\r
657 "triggerClass="<<&triggerClass<< // trigger
\r
659 "multTPCtracks="<<countLaserTracks<<
\r
665 //_____________________________________________________________________________
\r
666 void AliAnalysisTaskFilteredTree::ProcessAll(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend)
\r
669 // Select real events with high-pT tracks
\r
670 // Calculate and stor in the output tree:
\r
671 // TPC constrained tracks
\r
672 // InnerParams constrained tracks
\r
674 // ITSout-InnerParams tracks
\r
675 // chi2 distance between TPC constrained and TPC-ITS tracks
\r
676 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
\r
677 // chi2 distance between ITSout and InnerParams tracks
\r
678 // MC information:
\r
679 // track references at ITSin, TPCin; InnerParam at first TPC track reference,
\r
680 // particle ID, mother ID, production mechanism ...
\r
684 AliDebug(AliLog::kError, "esdEvent not available");
\r
688 // get selection cuts
\r
689 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
690 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
691 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
693 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
694 AliDebug(AliLog::kError, "cuts not available");
\r
698 // trigger selection
\r
699 Bool_t isEventTriggered = kTRUE;
\r
700 AliPhysicsSelection *physicsSelection = NULL;
\r
701 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
704 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
707 Printf("ERROR: Could not receive input handler");
\r
712 TTree *chain = (TChain*)GetInputData(0);
\r
714 Printf("ERROR: Could not receive input chain");
\r
717 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
720 if(evtCuts->IsTriggerRequired())
\r
723 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
725 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
726 if(!physicsSelection) return;
\r
727 //SetPhysicsTriggerSelection(physicsSelection);
\r
729 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
730 // set trigger (V0AND)
\r
731 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
732 if(!triggerAnalysis) return;
\r
733 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
737 // centrality determination
\r
738 Float_t centralityF = -1;
\r
739 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
740 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
742 // use MC information
\r
743 AliHeader* header = 0;
\r
744 AliGenEventHeader* genHeader = 0;
\r
745 AliStack* stack = 0;
\r
748 Int_t multMCTrueTracks = 0;
\r
753 AliDebug(AliLog::kError, "mcEvent not available");
\r
756 // get MC event header
\r
757 header = mcEvent->Header();
\r
759 AliDebug(AliLog::kError, "Header not available");
\r
762 // MC particle stack
\r
763 stack = mcEvent->Stack();
\r
765 AliDebug(AliLog::kError, "Stack not available");
\r
770 genHeader = header->GenEventHeader();
\r
772 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
775 genHeader->PrimaryVertex(vtxMC);
\r
777 // multipliticy of all MC primary tracks
\r
778 // in Zv, pt and eta ranges)
\r
779 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
783 // get reconstructed vertex
\r
784 //const AliESDVertex* vtxESD = 0;
\r
785 AliESDVertex* vtxESD = 0;
\r
786 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
787 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
789 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
790 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
796 if(!vtxESD) return;
\r
798 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
799 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
800 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
803 // check event cuts
\r
804 if(isEventOK && isEventTriggered)
\r
807 // get IR information
\r
809 AliESDHeader *esdHeader = 0;
\r
810 esdHeader = esdEvent->GetHeader();
\r
811 if(!esdHeader) return;
\r
812 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
\r
813 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
\r
819 Double_t vert[3] = {0};
\r
820 vert[0] = vtxESD->GetXv();
\r
821 vert[1] = vtxESD->GetYv();
\r
822 vert[2] = vtxESD->GetZv();
\r
823 Int_t mult = vtxESD->GetNContributors();
\r
824 Float_t bz = esdEvent->GetMagneticField();
\r
825 Int_t runNumber = esdEvent->GetRunNumber();
\r
826 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
827 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
830 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
832 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
833 if(!track) continue;
\r
834 if(track->Charge()==0) continue;
\r
835 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
836 if(!accCuts->AcceptTrack(track)) continue;
\r
838 // downscale low-pT tracks
\r
839 Double_t scalempt= TMath::Min(track->Pt(),10.);
\r
840 Double_t downscaleF = gRandom->Rndm();
\r
841 downscaleF *= fLowPtTrackDownscaligF;
\r
842 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
843 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
845 // Dump to the tree
\r
847 // TPC constrained tracks
\r
848 // InnerParams constrained tracks
\r
850 // ITSout-InnerParams tracks
\r
851 // chi2 distance between TPC constrained and TPC-ITS tracks
\r
852 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
\r
853 // chi2 distance between ITSout and InnerParams tracks
\r
856 Double_t x[3]; track->GetXYZ(x);
\r
857 Double_t b[3]; AliTracker::GetBxByBz(x,b);
\r
860 // Transform TPC inner params to track reference frame
\r
862 Bool_t isOKtpcInner = kFALSE;
\r
863 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
\r
865 // transform to the track reference frame
\r
866 isOKtpcInner = tpcInner->Rotate(track->GetAlpha());
\r
867 isOKtpcInner = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
871 // Constrain TPC inner to vertex
\r
872 // clone TPCinner has to be deleted
\r
874 Bool_t isOKtpcInnerC = kFALSE;
\r
875 AliExternalTrackParam * tpcInnerC = new AliExternalTrackParam(*(track->GetTPCInnerParam()));
\r
877 isOKtpcInnerC = ConstrainTPCInner(tpcInnerC,vtxESD,b);
\r
878 isOKtpcInnerC = tpcInnerC->Rotate(track->GetAlpha());
\r
879 isOKtpcInnerC = tpcInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
883 // Constrain TPC refitted tracks at inner TPC wall (InnerParams) to vertex
\r
884 // Clone track InnerParams has to be deleted
\r
886 Bool_t isOKtrackInnerC = kFALSE;
\r
887 AliExternalTrackParam * trackInnerC = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
889 isOKtrackInnerC = ConstrainTrackInner(trackInnerC,vtxESD,track->GetMass(),b);
\r
890 isOKtrackInnerC = trackInnerC->Rotate(track->GetAlpha());
\r
891 isOKtrackInnerC = trackInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
895 // calculate chi2 between vi and vj vectors
\r
896 // with covi and covj covariance matrices
\r
897 // chi2ij = (vi-vj)^(T)*(covi+covj)^(-1)*(vi-vj)
\r
899 TMatrixD deltaT(5,1), deltaTtrackC(5,1);
\r
900 TMatrixD delta(1,5), deltatrackC(1,5);
\r
901 TMatrixD covarM(5,5), covarMtrackC(5,5);
\r
902 TMatrixD chi2(1,1);
\r
903 TMatrixD chi2trackC(1,1);
\r
905 if(isOKtpcInnerC && isOKtrackInnerC)
\r
907 for (Int_t ipar=0; ipar<5; ipar++) {
\r
908 deltaT(ipar,0)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
909 delta(0,ipar)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
911 deltaTtrackC(ipar,0)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
912 deltatrackC(0,ipar)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
914 for (Int_t jpar=0; jpar<5; jpar++) {
\r
915 Int_t index=track->GetIndex(ipar,jpar);
\r
916 covarM(ipar,jpar)=track->GetCovariance()[index]+tpcInnerC->GetCovariance()[index];
\r
917 covarMtrackC(ipar,jpar)=track->GetCovariance()[index]+trackInnerC->GetCovariance()[index];
\r
921 // chi2 distance TPC constrained and TPC+ITS
\r
922 TMatrixD covarMInv = covarM.Invert();
\r
923 TMatrixD mat2 = covarMInv*deltaT;
\r
924 chi2 = delta*mat2;
\r
927 // chi2 distance TPC refitted constrained and TPC+ITS
\r
928 TMatrixD covarMInvtrackC = covarMtrackC.Invert();
\r
929 TMatrixD mat2trackC = covarMInvtrackC*deltaTtrackC;
\r
930 chi2trackC = deltatrackC*mat2trackC;
\r
931 //chi2trackC.Print();
\r
936 // Propagate ITSout to TPC inner wall
\r
937 // and calculate chi2 distance to track (InnerParams)
\r
939 const Double_t kTPCRadius=85;
\r
940 const Double_t kStep=3;
\r
942 // clone track InnerParams has to be deleted
\r
943 Bool_t isOKtrackInnerC2 = kFALSE;
\r
944 AliExternalTrackParam *trackInnerC2 = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
945 if (trackInnerC2) {
\r
946 isOKtrackInnerC2 = AliTracker::PropagateTrackToBxByBz(trackInnerC2,kTPCRadius,track->GetMass(),kStep,kFALSE);
\r
949 Bool_t isOKouterITSc = kFALSE;
\r
950 AliExternalTrackParam *outerITSc = NULL;
\r
951 TMatrixD chi2OuterITS(1,1);
\r
953 if(esdFriend && esdFriend->TestSkipBit()==kFALSE)
\r
955 // propagate ITSout to TPC inner wall
\r
956 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(iTrack);
\r
960 outerITSc = new AliExternalTrackParam(*friendTrack->GetITSOut());
\r
963 isOKouterITSc = AliTracker::PropagateTrackToBxByBz(outerITSc,kTPCRadius,track->GetMass(),kStep,kFALSE);
\r
964 isOKouterITSc = outerITSc->Rotate(trackInnerC2->GetAlpha());
\r
965 isOKouterITSc = outerITSc->PropagateTo(trackInnerC2->GetX(),esdEvent->GetMagneticField());
\r
968 // calculate chi2 between outerITS and innerParams
\r
969 // cov without z-coordinate at the moment
\r
971 TMatrixD deltaTouterITS(4,1);
\r
972 TMatrixD deltaouterITS(1,4);
\r
973 TMatrixD covarMouterITS(4,4);
\r
975 if(isOKtrackInnerC2 && isOKouterITSc) {
\r
978 for (Int_t ipar=0; ipar<5; ipar++) {
\r
980 deltaTouterITS(kipar,0)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
\r
981 deltaouterITS(0,kipar)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
\r
985 for (Int_t jpar=0; jpar<5; jpar++) {
\r
986 Int_t index=outerITSc->GetIndex(ipar,jpar);
\r
987 if(ipar !=1 || jpar!=1) {
\r
988 covarMouterITS(kipar,kjpar)=outerITSc->GetCovariance()[index]+trackInnerC2->GetCovariance()[index];
\r
990 if(jpar!=1) kjpar++;
\r
992 if(ipar!=1) kipar++;
\r
995 // chi2 distance ITSout and InnerParams
\r
996 TMatrixD covarMInvouterITS = covarMouterITS.Invert();
\r
997 TMatrixD mat2outerITS = covarMInvouterITS*deltaTouterITS;
\r
998 chi2OuterITS = deltaouterITS*mat2outerITS;
\r
999 //chi2OuterITS.Print();
\r
1008 TParticle *particle=NULL, *particleTPC=NULL, *particleITS=NULL;
\r
1009 TParticle *particleMother=NULL, *particleMotherTPC=NULL, *particleMotherITS=NULL;
\r
1010 Int_t mech=-1, mechTPC=-1, mechITS=-1;
\r
1011 Bool_t isPrim=kFALSE, isPrimTPC=kFALSE, isPrimITS=kFALSE;
\r
1012 Bool_t isFromStrangess=kFALSE, isFromStrangessTPC=kFALSE, isFromStrangessITS=kFALSE;
\r
1013 Bool_t isFromConversion=kFALSE, isFromConversionTPC=kFALSE, isFromConversionITS=kFALSE;
\r
1014 Bool_t isFromMaterial=kFALSE, isFromMaterialTPC=kFALSE, isFromMaterialITS=kFALSE;
\r
1016 AliTrackReference *refTPCIn = NULL;
\r
1017 AliTrackReference *refITS = NULL;
\r
1019 Bool_t isOKtrackInnerC3 = kFALSE;
\r
1020 AliExternalTrackParam *trackInnerC3 = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
1022 if(IsUseMCInfo())
\r
1024 if(!stack) return;
\r
1029 Int_t label = TMath::Abs(track->GetLabel());
\r
1030 particle = stack->Particle(label);
\r
1031 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0.)
\r
1033 particleMother = GetMother(particle,stack);
\r
1034 mech = particle->GetUniqueID();
\r
1035 isPrim = stack->IsPhysicalPrimary(label);
\r
1036 isFromStrangess = IsFromStrangeness(label,stack);
\r
1037 isFromConversion = IsFromConversion(label,stack);
\r
1038 isFromMaterial = IsFromMaterial(label,stack);
\r
1044 Int_t labelTPC = TMath::Abs(track->GetTPCLabel());
\r
1045 particleTPC = stack->Particle(labelTPC);
\r
1046 if(particleTPC && particleTPC->GetPDG() && particleTPC->GetPDG()->Charge()!=0.)
\r
1048 particleMotherTPC = GetMother(particleTPC,stack);
\r
1049 mechTPC = particleTPC->GetUniqueID();
\r
1050 isPrimTPC = stack->IsPhysicalPrimary(labelTPC);
\r
1051 isFromStrangessTPC = IsFromStrangeness(labelTPC,stack);
\r
1052 isFromConversionTPC = IsFromConversion(labelTPC,stack);
\r
1053 isFromMaterialTPC = IsFromMaterial(labelTPC,stack);
\r
1057 // store first track reference
\r
1060 TParticle *part=0;
\r
1061 TClonesArray *trefs=0;
\r
1062 Int_t status = mcEvent->GetParticleAndTR(track->GetTPCLabel(), part, trefs);
\r
1064 if(status>0 && part && trefs && part->GetPDG() && part->GetPDG()->Charge()!=0.)
\r
1066 Int_t nTrackRef = trefs->GetEntries();
\r
1067 //printf("nTrackRef %d \n",nTrackRef);
\r
1069 Int_t countITS = 0;
\r
1070 for (Int_t iref = 0; iref < nTrackRef; iref++)
\r
1072 AliTrackReference *ref = (AliTrackReference *)trefs->At(iref);
\r
1074 // Ref. in the middle ITS
\r
1075 if(ref && ref->DetectorId()==AliTrackReference::kITS)
\r
1077 if(!refITS && countITS==2) {
\r
1079 //printf("refITS %p \n",refITS);
\r
1085 if(ref && ref->DetectorId()==AliTrackReference::kTPC)
\r
1089 //printf("refTPCIn %p \n",refTPCIn);
\r
1095 // transform inner params to TrackRef
\r
1096 // reference frame
\r
1097 if(refTPCIn && trackInnerC3)
\r
1099 Double_t kRefPhi = TMath::ATan2(refTPCIn->Y(),refTPCIn->X());
\r
1100 isOKtrackInnerC3 = trackInnerC3->Rotate(kRefPhi);
\r
1101 isOKtrackInnerC3 = AliTracker::PropagateTrackToBxByBz(trackInnerC3,refTPCIn->R(),track->GetMass(),kStep,kFALSE);
\r
1108 Int_t labelITS = TMath::Abs(track->GetITSLabel());
\r
1109 particleITS = stack->Particle(labelITS);
\r
1110 if(particleITS && particleITS->GetPDG() && particleITS->GetPDG()->Charge()!=0.)
\r
1112 particleMotherITS = GetMother(particleITS,stack);
\r
1113 mechITS = particleITS->GetUniqueID();
\r
1114 isPrimITS = stack->IsPhysicalPrimary(labelITS);
\r
1115 isFromStrangessITS = IsFromStrangeness(labelITS,stack);
\r
1116 isFromConversionITS = IsFromConversion(labelITS,stack);
\r
1117 isFromMaterialITS = IsFromMaterial(labelITS,stack);
\r
1122 Bool_t dumpToTree=kFALSE;
\r
1124 if(isOKtpcInnerC && isOKtrackInnerC) dumpToTree = kTRUE;
\r
1125 if(fUseESDfriends && isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE;
\r
1126 if(fUseMCInfo && isOKtrackInnerC3) dumpToTree = kTRUE;
\r
1127 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1128 if (fReducePileUp){
\r
1130 // 18.03 - Reduce pile-up chunks, done outside of the ESDTrackCuts for 2012/2013 data pile-up about 95 % of tracks
\r
1131 // Done only in case no MC info
\r
1133 Float_t dcaTPC[2];
\r
1134 track->GetImpactParametersTPC(dcaTPC[0],dcaTPC[1]);
\r
1135 Bool_t isRoughPrimary = TMath::Abs(dcaTPC[1])<10;
\r
1136 Bool_t hasOuter=(track->IsOn(AliVTrack::kITSin))||(track->IsOn(AliVTrack::kTOFout))||(track->IsOn(AliVTrack::kTRDin));
\r
1137 Bool_t keepPileUp=gRandom->Rndm()<0.05;
\r
1138 if ( (!hasOuter) && (!isRoughPrimary) && (!keepPileUp)){
\r
1139 dumpToTree=kFALSE;
\r
1143 //book keeping of created dummy objects (to avoid NULL in trees)
\r
1144 Bool_t newvtxESD=kFALSE;
\r
1145 Bool_t newtrack=kFALSE;
\r
1146 Bool_t newtpcInnerC=kFALSE;
\r
1147 Bool_t newtrackInnerC=kFALSE;
\r
1148 Bool_t newtrackInnerC2=kFALSE;
\r
1149 Bool_t newouterITSc=kFALSE;
\r
1150 Bool_t newtrackInnerC3=kFALSE;
\r
1151 Bool_t newrefTPCIn=kFALSE;
\r
1152 Bool_t newrefITS=kFALSE;
\r
1153 Bool_t newparticle=kFALSE;
\r
1154 Bool_t newparticleMother=kFALSE;
\r
1155 Bool_t newparticleTPC=kFALSE;
\r
1156 Bool_t newparticleMotherTPC=kFALSE;
\r
1157 Bool_t newparticleITS=kFALSE;
\r
1158 Bool_t newparticleMotherITS=kFALSE;
\r
1160 //check that the vertex is there and that it is OK,
\r
1161 //i.e. no null member arrays, otherwise a problem with merging
\r
1163 //this is a very ugly hack!
\r
1166 AliInfo("fixing the ESD vertex for streaming");
\r
1167 vtxESD=new AliESDVertex();
\r
1168 //vtxESD->SetNContributors(1);
\r
1169 //UShort_t pindices[1]; pindices[0]=0;
\r
1170 //vtxESD->SetIndices(1,pindices);
\r
1171 //vtxESD->SetNContributors(0);
\r
1175 if (!track) {track=new AliESDtrack();newtrack=kTRUE;}
\r
1176 if (!tpcInnerC) {tpcInnerC=new AliExternalTrackParam();newtpcInnerC=kTRUE;}
\r
1177 if (!trackInnerC) {trackInnerC=new AliExternalTrackParam();newtrackInnerC=kTRUE;}
\r
1178 if (!trackInnerC2) {trackInnerC2=new AliExternalTrackParam();newtrackInnerC2=kTRUE;}
\r
1179 if (!outerITSc) {outerITSc=new AliExternalTrackParam();newouterITSc=kTRUE;}
\r
1180 if (!trackInnerC3) {trackInnerC3=new AliExternalTrackParam();newtrackInnerC3=kTRUE;}
\r
1183 if (!refTPCIn) {refTPCIn=new AliTrackReference(); newrefTPCIn=kTRUE;}
\r
1184 if (!refITS) {refITS=new AliTrackReference();newrefITS=kTRUE;}
\r
1185 if (!particle) {particle=new TParticle(); newparticle=kTRUE;}
\r
1186 if (!particleMother) {particleMother=new TParticle();newparticleMother=kTRUE;}
\r
1187 if (!particleTPC) {particleTPC=new TParticle();newparticleTPC=kTRUE;}
\r
1188 if (!particleMotherTPC) {particleMotherTPC=new TParticle();newparticleMotherTPC=kTRUE;}
\r
1189 if (!particleITS) {particleITS=new TParticle();newparticleITS=kTRUE;}
\r
1190 if (!particleMotherITS) {particleMotherITS=new TParticle();newparticleMotherITS=kTRUE;}
\r
1192 /////////////////////////
\r
1194 //Double_t vtxX=vtxESD->GetX();
\r
1195 //Double_t vtxY=vtxESD->GetY();
\r
1196 //Double_t vtxZ=vtxESD->GetZ();
\r
1198 AliESDVertex* pvtxESD = (AliESDVertex*)vtxESD->Clone();
\r
1199 AliESDtrack* ptrack=(AliESDtrack*)track->Clone();
\r
1200 AliExternalTrackParam* ptpcInnerC = (AliExternalTrackParam*)tpcInnerC->Clone();
\r
1201 AliExternalTrackParam* ptrackInnerC = (AliExternalTrackParam*)trackInnerC->Clone();
\r
1202 AliExternalTrackParam* ptrackInnerC2 = (AliExternalTrackParam*)trackInnerC2->Clone();
\r
1203 AliExternalTrackParam* pouterITSc = (AliExternalTrackParam*)outerITSc->Clone();
\r
1204 AliExternalTrackParam* ptrackInnerC3 = (AliExternalTrackParam*)trackInnerC3->Clone();
\r
1205 Int_t ntracks = esdEvent->GetNumberOfTracks();
\r
1207 if(fTreeSRedirector && dumpToTree)
\r
1210 (*fTreeSRedirector)<<"highPt"<<
\r
1211 "fileName.="<<&fileName<< // name of the chunk file (hopefully full)
\r
1212 "runNumber="<<runNumber<< // runNumber
\r
1213 "evtTimeStamp="<<evtTimeStamp<< // time stamp of event (in seconds)
\r
1214 "evtNumberInFile="<<evtNumberInFile<< // event number
\r
1215 "triggerClass="<<&triggerClass<< // trigger class as a string
\r
1216 "Bz="<<bz<< // solenoid magnetic field in the z direction (in kGaus)
\r
1217 "vtxESD.="<<pvtxESD<< // vertexer ESD tracks (can be biased by TPC pileup tracks)
\r
1218 //"vtxESDx="<<vtxX<<
\r
1219 //"vtxESDy="<<vtxY<<
\r
1220 //"vtxESDz="<<vtxZ<<
\r
1221 "IRtot="<<ir1<< // interaction record (trigger) counters - coutner 1
\r
1222 "IRint2="<<ir2<< // interaction record (trigger) coutners - counter 2
\r
1223 "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex
\r
1224 "ntracks="<<ntracks<< // number of the esd tracks (to take into account the pileup in the TPC)
\r
1225 "esdTrack.="<<ptrack<< // esdTrack as used in the physical analysis
\r
1226 "extTPCInnerC.="<<ptpcInnerC<< // ???
\r
1227 "extInnerParamC.="<<ptrackInnerC<< // ???
\r
1228 "extInnerParam.="<<ptrackInnerC2<< // ???
\r
1229 "extOuterITS.="<<pouterITSc<< // ???
\r
1230 "extInnerParamRef.="<<ptrackInnerC3<< // ???
\r
1231 "chi2TPCInnerC="<<chi2(0,0)<< // chi2 of tracks ???
\r
1232 "chi2InnerC="<<chi2trackC(0,0)<< // chi2s of tracks TPCinner to the combined
\r
1233 "chi2OuterITS="<<chi2OuterITS(0,0)<< // chi2s of tracks TPC at inner wall to the ITSout
\r
1234 "centralityF="<<centralityF;
\r
1237 (*fTreeSRedirector)<<"highPt"<<
\r
1238 "refTPCIn.="<<refTPCIn<<
\r
1239 "refITS.="<<refITS<<
\r
1240 "particle.="<<particle<<
\r
1241 "particleMother.="<<particleMother<<
\r
1243 "isPrim="<<isPrim<<
\r
1244 "isFromStrangess="<<isFromStrangess<<
\r
1245 "isFromConversion="<<isFromConversion<<
\r
1246 "isFromMaterial="<<isFromMaterial<<
\r
1247 "particleTPC.="<<particleTPC<<
\r
1248 "particleMotherTPC.="<<particleMotherTPC<<
\r
1249 "mechTPC="<<mechTPC<<
\r
1250 "isPrimTPC="<<isPrimTPC<<
\r
1251 "isFromStrangessTPC="<<isFromStrangessTPC<<
\r
1252 "isFromConversionTPC="<<isFromConversionTPC<<
\r
1253 "isFromMaterialTPC="<<isFromMaterialTPC<<
\r
1254 "particleITS.="<<particleITS<<
\r
1255 "particleMotherITS.="<<particleMotherITS<<
\r
1256 "mechITS="<<mechITS<<
\r
1257 "isPrimITS="<<isPrimITS<<
\r
1258 "isFromStrangessITS="<<isFromStrangessITS<<
\r
1259 "isFromConversionITS="<<isFromConversionITS<<
\r
1260 "isFromMaterialITS="<<isFromMaterialITS;
\r
1262 //finish writing the entry
\r
1263 (*fTreeSRedirector)<<"highPt"<<"\n";
\r
1268 delete ptpcInnerC;
\r
1269 delete ptrackInnerC;
\r
1270 delete ptrackInnerC2;
\r
1271 delete pouterITSc;
\r
1272 delete ptrackInnerC3;
\r
1274 ////////////////////
\r
1275 //delete the dummy objects we might have created.
\r
1276 if (newvtxESD) {delete vtxESD; vtxESD=NULL;}
\r
1277 if (newtrack) {delete track; track=NULL;}
\r
1278 if (newtpcInnerC) {delete tpcInnerC; tpcInnerC=NULL;}
\r
1279 if (newtrackInnerC) {delete trackInnerC; trackInnerC=NULL;}
\r
1280 if (newtrackInnerC2) {delete trackInnerC2; trackInnerC2=NULL;}
\r
1281 if (newouterITSc) {delete outerITSc; outerITSc=NULL;}
\r
1282 if (newtrackInnerC3) {delete trackInnerC3; trackInnerC3=NULL;}
\r
1283 if (newrefTPCIn) {delete refTPCIn; refTPCIn=NULL;}
\r
1284 if (newrefITS) {delete refITS; refITS=NULL;}
\r
1285 if (newparticle) {delete particle; particle=NULL;}
\r
1286 if (newparticleMother) {delete particleMother; particleMother=NULL;}
\r
1287 if (newparticleTPC) {delete particleTPC; particleTPC=NULL;}
\r
1288 if (newparticleMotherTPC) {delete particleMotherTPC; particleMotherTPC=NULL;}
\r
1289 if (newparticleITS) {delete particleITS; particleITS=NULL;}
\r
1290 if (newparticleMotherITS) {delete particleMotherITS; particleMotherITS=NULL;}
\r
1294 delete trackInnerC;
\r
1295 delete trackInnerC2;
\r
1297 delete trackInnerC3;
\r
1304 //_____________________________________________________________________________
\r
1305 void AliAnalysisTaskFilteredTree::ProcessMCEff(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1308 // Fill tree for efficiency studies MC only
\r
1311 AliDebug(AliLog::kError, "esdEvent not available");
\r
1316 AliDebug(AliLog::kError, "mcEvent not available");
\r
1320 // get selection cuts
\r
1321 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1322 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1323 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1325 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1326 AliDebug(AliLog::kError, "cuts not available");
\r
1330 // trigger selection
\r
1331 Bool_t isEventTriggered = kTRUE;
\r
1332 AliPhysicsSelection *physicsSelection = NULL;
\r
1333 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1336 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1337 if (!inputHandler)
\r
1339 Printf("ERROR: Could not receive input handler");
\r
1344 TTree *chain = (TChain*)GetInputData(0);
\r
1346 Printf("ERROR: Could not receive input chain");
\r
1349 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1352 if(evtCuts->IsTriggerRequired())
\r
1355 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1357 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1358 if(!physicsSelection) return;
\r
1360 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1361 // set trigger (V0AND)
\r
1362 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1363 if(!triggerAnalysis) return;
\r
1364 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1368 // centrality determination
\r
1369 Float_t centralityF = -1;
\r
1370 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
1371 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
1373 // use MC information
\r
1374 AliHeader* header = 0;
\r
1375 AliGenEventHeader* genHeader = 0;
\r
1376 AliStack* stack = 0;
\r
1379 Int_t multMCTrueTracks = 0;
\r
1384 AliDebug(AliLog::kError, "mcEvent not available");
\r
1387 // get MC event header
\r
1388 header = mcEvent->Header();
\r
1390 AliDebug(AliLog::kError, "Header not available");
\r
1393 // MC particle stack
\r
1394 stack = mcEvent->Stack();
\r
1396 AliDebug(AliLog::kError, "Stack not available");
\r
1401 genHeader = header->GenEventHeader();
\r
1403 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
1406 genHeader->PrimaryVertex(vtxMC);
\r
1408 // multipliticy of all MC primary tracks
\r
1409 // in Zv, pt and eta ranges)
\r
1410 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
1414 // get reconstructed vertex
\r
1415 //const AliESDVertex* vtxESD = 0;
\r
1416 AliESDVertex* vtxESD = 0;
\r
1417 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1418 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1420 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1421 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1427 if(!vtxESD) return;
\r
1429 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1430 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1431 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1433 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1435 // check event cuts
\r
1436 if(isEventOK && isEventTriggered)
\r
1438 if(IsUseMCInfo())
\r
1440 if(!stack) return;
\r
1445 TParticle *particle=NULL;
\r
1446 TParticle *particleMother=NULL;
\r
1449 // reco event info
\r
1450 Double_t vert[3] = {0};
\r
1451 vert[0] = vtxESD->GetXv();
\r
1452 vert[1] = vtxESD->GetYv();
\r
1453 vert[2] = vtxESD->GetZv();
\r
1454 Int_t mult = vtxESD->GetNContributors();
\r
1455 Double_t bz = esdEvent->GetMagneticField();
\r
1456 Double_t runNumber = esdEvent->GetRunNumber();
\r
1457 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
1458 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
1460 // loop over MC stack
\r
1461 for (Int_t iMc = 0; iMc < stack->GetNtrack(); ++iMc)
\r
1463 particle = stack->Particle(iMc);
\r
1467 // only charged particles
\r
1468 if(!particle->GetPDG()) continue;
\r
1469 Double_t charge = particle->GetPDG()->Charge()/3.;
\r
1470 if (TMath::Abs(charge) < 0.001)
\r
1473 // only primary particles
\r
1474 Bool_t prim = stack->IsPhysicalPrimary(iMc);
\r
1475 if(!prim) continue;
\r
1477 // downscale low-pT particles
\r
1478 Double_t scalempt= TMath::Min(particle->Pt(),10.);
\r
1479 Double_t downscaleF = gRandom->Rndm();
\r
1480 downscaleF *= fLowPtTrackDownscaligF;
\r
1481 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
1483 // is particle in acceptance
\r
1484 if(!accCuts->AcceptTrack(particle)) continue;
\r
1486 // check if particle reconstructed
\r
1487 Bool_t isRec = kFALSE;
\r
1488 Int_t trackIndex = -1;
\r
1489 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
1492 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
1493 if(!track) continue;
\r
1494 if(track->Charge()==0) continue;
\r
1495 if(esdTrackCuts->AcceptTrack(track) && accCuts->AcceptTrack(track))
\r
1497 Int_t label = TMath::Abs(track->GetLabel());
\r
1498 if(label == iMc) {
\r
1500 trackIndex = iTrack;
\r
1506 // Store information in the output tree
\r
1507 AliESDtrack *recTrack = NULL;
\r
1508 if(trackIndex>-1) {
\r
1509 recTrack = esdEvent->GetTrack(trackIndex);
\r
1511 recTrack = new AliESDtrack();
\r
1514 particleMother = GetMother(particle,stack);
\r
1515 mech = particle->GetUniqueID();
\r
1517 //MC particle track length
\r
1518 Double_t tpcTrackLength = 0.;
\r
1519 AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(iMc);
\r
1522 tpcTrackLength = mcParticle->GetTPCTrackLength(bz,0.05,counter,3.0);
\r
1527 if(fTreeSRedirector) {
\r
1528 (*fTreeSRedirector)<<"MCEffTree"<<
\r
1529 "fileName.="<<&fileName<<
\r
1530 "triggerClass.="<<&triggerClass<<
\r
1531 "runNumber="<<runNumber<<
\r
1532 "evtTimeStamp="<<evtTimeStamp<<
\r
1533 "evtNumberInFile="<<evtNumberInFile<<
\r
1535 "vtxESD.="<<vtxESD<<
\r
1537 "esdTrack.="<<recTrack<<
\r
1539 "tpcTrackLength="<<tpcTrackLength<<
\r
1540 "particle.="<<particle<<
\r
1541 "particleMother.="<<particleMother<<
\r
1546 if(trackIndex <0 && recTrack) delete recTrack; recTrack=0;
\r
1553 //_____________________________________________________________________________
\r
1554 Bool_t AliAnalysisTaskFilteredTree::IsHighDeDxParticle(AliESDtrack * track) {
\r
1556 // check if particle is Z > 1
\r
1558 if (track->GetTPCNcls() < 60) return kFALSE;
\r
1559 Double_t mom = track->GetInnerParam()->GetP();
\r
1560 if (mom < 0.2) return kFALSE; // protection against unexpected behavior of Aleph parameterization
\r
1561 Float_t dca[2], bCov[3];
\r
1562 track->GetImpactParameters(dca,bCov);
\r
1565 Double_t triggerDeDx = 4*AliExternalTrackParam::BetheBlochAleph((mom*2)/(0.938*3),1.0288,31.9806,5.04114e-11,2.13096,2.38541);
\r
1567 if (track->GetTPCsignal() > triggerDeDx && track->GetTPCsignal()<1000 && TMath::Abs(dca[0])<3.) return kTRUE;
\r
1572 //_____________________________________________________________________________
\r
1573 void AliAnalysisTaskFilteredTree::ProcessV0(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1576 // Select real events with V0 (K0s and Lambda and Gamma) high-pT candidates
\r
1579 AliDebug(AliLog::kError, "esdEvent not available");
\r
1583 // get selection cuts
\r
1584 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1585 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1586 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1588 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1589 AliDebug(AliLog::kError, "cuts not available");
\r
1593 // trigger selection
\r
1594 Bool_t isEventTriggered = kTRUE;
\r
1595 AliPhysicsSelection *physicsSelection = NULL;
\r
1596 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1599 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1600 if (!inputHandler)
\r
1602 Printf("ERROR: Could not receive input handler");
\r
1607 TTree *chain = (TChain*)GetInputData(0);
\r
1609 Printf("ERROR: Could not receive input chain");
\r
1612 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1615 if(evtCuts->IsTriggerRequired())
\r
1618 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1620 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1621 if(!physicsSelection) return;
\r
1622 //SetPhysicsTriggerSelection(physicsSelection);
\r
1624 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1625 // set trigger (V0AND)
\r
1626 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1627 if(!triggerAnalysis) return;
\r
1628 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1632 // centrality determination
\r
1633 Float_t centralityF = -1;
\r
1634 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
1635 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
1638 // get reconstructed vertex
\r
1639 //const AliESDVertex* vtxESD = 0;
\r
1640 AliESDVertex* vtxESD = 0;
\r
1641 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1642 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1644 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1645 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1651 if(!vtxESD) return;
\r
1653 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1654 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1655 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1657 // check event cuts
\r
1658 if(isEventOK && isEventTriggered) {
\r
1660 // Dump the pt downscaled V0 into the tree
\r
1662 Int_t ntracks = esdEvent->GetNumberOfTracks();
\r
1663 Int_t nV0s = esdEvent->GetNumberOfV0s();
\r
1664 Int_t run = esdEvent->GetRunNumber();
\r
1665 Int_t time= esdEvent->GetTimeStamp();
\r
1666 Int_t evNr=esdEvent->GetEventNumberInFile();
\r
1667 Double_t bz = esdEvent->GetMagneticField();
\r
1670 for (Int_t iv0=0; iv0<nV0s; iv0++){
\r
1671 AliESDv0 * v0 = esdEvent->GetV0(iv0);
\r
1672 if (!v0) continue;
\r
1673 AliESDtrack * track0 = esdEvent->GetTrack(v0->GetIndex(0));
\r
1674 AliESDtrack * track1 = esdEvent->GetTrack(v0->GetIndex(1));
\r
1675 if (!track0) continue;
\r
1676 if (!track1) continue;
\r
1677 if (track0->GetSign()<0) {
\r
1678 track1 = esdEvent->GetTrack(v0->GetIndex(0));
\r
1679 track0 = esdEvent->GetTrack(v0->GetIndex(1));
\r
1682 Bool_t isDownscaled = IsV0Downscaled(v0);
\r
1683 if (isDownscaled) continue;
\r
1684 AliKFParticle kfparticle; //
\r
1685 Int_t type=GetKFParticle(v0,esdEvent,kfparticle);
\r
1686 if (type==0) continue;
\r
1687 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1689 if(!fTreeSRedirector) return;
\r
1690 (*fTreeSRedirector)<<"V0s"<<
\r
1691 "isDownscaled="<<isDownscaled<<
\r
1692 "triggerClass="<<&triggerClass<< // trigger
\r
1694 "fileName.="<<&fileName<<
\r
1695 "runNumber="<<run<<
\r
1696 "evtTimeStamp="<<time<<
\r
1697 "evtNumberInFile="<<evNr<<
\r
1699 "ntracks="<<ntracks<<
\r
1701 "kf.="<<&kfparticle<<
\r
1702 "track0.="<<track0<<
\r
1703 "track1.="<<track1<<
\r
1704 "centralityF="<<centralityF<<
\r
1710 //_____________________________________________________________________________
\r
1711 void AliAnalysisTaskFilteredTree::ProcessdEdx(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1714 // Select real events with large TPC dEdx signal
\r
1717 AliDebug(AliLog::kError, "esdEvent not available");
\r
1721 // get selection cuts
\r
1722 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1723 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1724 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1726 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1727 AliDebug(AliLog::kError, "cuts not available");
\r
1732 TTree *chain = (TChain*)GetInputData(0);
\r
1734 Printf("ERROR: Could not receive input chain");
\r
1737 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1740 Bool_t isEventTriggered = kTRUE;
\r
1741 AliPhysicsSelection *physicsSelection = NULL;
\r
1742 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1745 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1746 if (!inputHandler)
\r
1748 Printf("ERROR: Could not receive input handler");
\r
1752 if(evtCuts->IsTriggerRequired())
\r
1755 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1757 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1758 if(!physicsSelection) return;
\r
1760 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1761 // set trigger (V0AND)
\r
1762 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1763 if(!triggerAnalysis) return;
\r
1764 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1768 // get reconstructed vertex
\r
1769 AliESDVertex* vtxESD = 0;
\r
1770 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1771 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1773 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1774 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1779 if(!vtxESD) return;
\r
1781 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1782 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1783 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1786 // check event cuts
\r
1787 if(isEventOK && isEventTriggered)
\r
1789 Double_t vert[3] = {0};
\r
1790 vert[0] = vtxESD->GetXv();
\r
1791 vert[1] = vtxESD->GetYv();
\r
1792 vert[2] = vtxESD->GetZv();
\r
1793 Int_t mult = vtxESD->GetNContributors();
\r
1794 Double_t bz = esdEvent->GetMagneticField();
\r
1795 Double_t runNumber = esdEvent->GetRunNumber();
\r
1796 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
1797 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
1800 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
1802 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
1803 if(!track) continue;
\r
1804 if(track->Charge()==0) continue;
\r
1805 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
1806 if(!accCuts->AcceptTrack(track)) continue;
\r
1808 if(!IsHighDeDxParticle(track)) continue;
\r
1809 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1811 if(!fTreeSRedirector) return;
\r
1812 (*fTreeSRedirector)<<"dEdx"<<
\r
1813 "fileName.="<<&fileName<<
\r
1814 "runNumber="<<runNumber<<
\r
1815 "evtTimeStamp="<<evtTimeStamp<<
\r
1816 "evtNumberInFile="<<evtNumberInFile<<
\r
1817 "triggerClass="<<&triggerClass<< // trigger
\r
1819 "vtxESD.="<<vtxESD<<
\r
1821 "esdTrack.="<<track<<
\r
1827 //_____________________________________________________________________________
\r
1828 Int_t AliAnalysisTaskFilteredTree::GetKFParticle(AliESDv0 *const v0, AliESDEvent * const event, AliKFParticle & kfparticle)
\r
1831 // Create KF particle in case the V0 fullfill selection criteria
\r
1833 // Selection criteria
\r
1834 // 0. algorithm cut
\r
1837 // 4. rough mass cut
\r
1838 // 5. Normalized pointing angle cut
\r
1840 const Double_t cutMass=0.2;
\r
1841 const Double_t kSigmaDCACut=3;
\r
1843 // 0.) algo cut - accept only on the fly
\r
1845 if (v0->GetOnFlyStatus() ==kFALSE) return 0;
\r
1849 AliESDtrack * track0 = event->GetTrack(v0->GetIndex(0));
\r
1850 AliESDtrack * track1 = event->GetTrack(v0->GetIndex(1));
\r
1852 TCut cutD="abs(track0.fD/sqrt(track0.fCdd))>2&&abs(track1.fD/sqrt(track1.fCdd))>2";
\r
1853 TCut cutTheta="abs(track0.fP[3])<1&&abs(track1.fP[3])<1";
\r
1854 TCut cutNcl="track0.GetTPCClusterInfo(2,1)>100&&track1.GetTPCClusterInfo(2,1)>100";
\r
1856 if (TMath::Abs(track0->GetTgl())>1) return 0;
\r
1857 if (TMath::Abs(track1->GetTgl())>1) return 0;
\r
1858 if ((track0->GetTPCClusterInfo(2,1))<100) return 0;
\r
1859 if ((track1->GetTPCClusterInfo(2,1))<100) return 0;
\r
1860 //if ((track0->GetITSclusters(0))<2) return 0;
\r
1861 //if ((track1->GetITSclusters(0))<2) return 0;
\r
1862 Float_t pos0[2]={0}, cov0[3]={0};
\r
1863 Float_t pos1[2]={0}, cov1[3]={0};
\r
1864 track0->GetImpactParameters(pos0,cov0);
\r
1865 track0->GetImpactParameters(pos1,cov1);
\r
1867 if (TMath::Abs(pos0[0])<kSigmaDCACut*TMath::Sqrt(cov0[0])) return 0;
\r
1868 if (TMath::Abs(pos1[0])<kSigmaDCACut*TMath::Sqrt(cov1[0])) return 0;
\r
1873 Double_t chi2KF = v0->GetKFInfo(2,2,2);
\r
1874 if (chi2KF>25) return 0;
\r
1876 // 4.) Rough mass cut - 0.200 GeV
\r
1878 static Double_t masses[2]={-1};
\r
1880 masses[0] = TDatabasePDG::Instance()->GetParticle("K_S0")->Mass();
\r
1881 masses[1] = TDatabasePDG::Instance()->GetParticle("Lambda0")->Mass();
\r
1883 Double_t mass00= v0->GetEffMass(0,0);
\r
1884 Double_t mass22= v0->GetEffMass(2,2);
\r
1885 Double_t mass42= v0->GetEffMass(4,2);
\r
1886 Double_t mass24= v0->GetEffMass(2,4);
\r
1887 Bool_t massOK=kFALSE;
\r
1892 if (TMath::Abs(mass00-0)<cutMass) {
\r
1893 massOK=kTRUE; type+=1;
\r
1894 if (TMath::Abs(mass00-0)<dmass) {
\r
1896 dmass=TMath::Abs(mass00-0);
\r
1900 if (TMath::Abs(mass24-masses[1])<cutMass) {
\r
1901 massOK=kTRUE; type+=2;
\r
1902 if (TMath::Abs(mass24-masses[1])<dmass){
\r
1903 dmass = TMath::Abs(mass24-masses[1]);
\r
1908 if (TMath::Abs(mass42-masses[1])<cutMass) {
\r
1909 massOK=kTRUE; type+=4;
\r
1910 if (TMath::Abs(mass42-masses[1])<dmass){
\r
1911 dmass = TMath::Abs(mass42-masses[1]);
\r
1916 if (TMath::Abs(mass22-masses[0])<cutMass) {
\r
1917 massOK=kTRUE; type+=8;
\r
1918 if (TMath::Abs(mass22-masses[0])<dmass){
\r
1919 dmass = TMath::Abs(mass22-masses[0]);
\r
1924 if (type==0) return 0;
\r
1926 const Int_t spdg[5]={kPositron,kMuonPlus,kPiPlus, kKPlus, kProton};
\r
1927 const AliExternalTrackParam *paramP = v0->GetParamP();
\r
1928 const AliExternalTrackParam *paramN = v0->GetParamN();
\r
1929 if (paramP->GetSign()<0){
\r
1930 paramP=v0->GetParamP();
\r
1931 paramN=v0->GetParamN();
\r
1933 //Double_t *pparam1 = (Double_t*)paramP->GetParameter();
\r
1934 //Double_t *pparam2 = (Double_t*)paramN->GetParameter();
\r
1936 AliKFParticle kfp1( *paramP, spdg[p1] );
\r
1937 AliKFParticle kfp2( *paramN, -1 *spdg[p2] );
\r
1938 AliKFParticle V0KF;
\r
1945 Double_t errPhi = V0KF.GetErrPhi();
\r
1946 Double_t pointAngle= TMath::ACos(v0->GetV0CosineOfPointingAngle());
\r
1947 if (pointAngle/errPhi>10) return 0;
\r
1952 //_____________________________________________________________________________
\r
1953 Bool_t AliAnalysisTaskFilteredTree::IsV0Downscaled(AliESDv0 *const v0)
\r
1956 // Downscale randomly low pt V0
\r
1959 Double_t maxPt= TMath::Max(v0->GetParamP()->Pt(), v0->GetParamN()->Pt());
\r
1960 Double_t scalempt= TMath::Min(maxPt,10.);
\r
1961 Double_t downscaleF = gRandom->Rndm();
\r
1962 downscaleF *= fLowPtV0DownscaligF;
\r
1964 // Special treatment of the gamma conversion pt spectra is softer -
\r
1965 Double_t mass00= v0->GetEffMass(0,0);
\r
1966 const Double_t cutMass=0.2;
\r
1967 if (TMath::Abs(mass00-0)<cutMass){
\r
1968 downscaleF/=10.; // 10 times smaller downscaling for the gamma concersion candidate
\r
1970 //printf("V0 TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
1971 if (TMath::Exp(2*scalempt)<downscaleF) return kTRUE;
\r
1975 TH1F his1("his1","his1",100,0,10);
\r
1976 TH1F his2("his2","his2",100,0,10);
\r
1977 {for (Int_t i=0; i<10000; i++){
\r
1978 Double_t rnd=gRandom->Exp(1);
\r
1979 Bool_t isDownscaled =TMath::Exp(rnd)<100*gRandom->Rndm();
\r
1981 if (!isDownscaled) his2->Fill(rnd);
\r
1990 //_____________________________________________________________________________
\r
1991 Bool_t AliAnalysisTaskFilteredTree::ConstrainTPCInner(AliExternalTrackParam *const tpcInnerC, const AliESDVertex* vtx, Double_t b[3])
\r
1993 // Constrain TPC inner params constrained
\r
1995 if(!tpcInnerC) return kFALSE;
\r
1996 if(!vtx) return kFALSE;
\r
1998 Double_t dz[2],cov[3];
\r
1999 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
\r
2000 //if(!tpcInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
\r
2001 //if(!tpcInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
\r
2002 if(!tpcInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
\r
2005 Double_t covar[6]; vtx->GetCovMatrix(covar);
\r
2006 Double_t p[2]={tpcInnerC->GetParameter()[0]-dz[0],tpcInnerC->GetParameter()[1]-dz[1]};
\r
2007 Double_t c[3]={covar[2],0.,covar[5]};
\r
2008 Double_t chi2C=tpcInnerC->GetPredictedChi2(p,c);
\r
2009 if (chi2C>kVeryBig) return kFALSE;
\r
2011 if(!tpcInnerC->Update(p,c)) return kFALSE;
\r
2016 //_____________________________________________________________________________
\r
2017 Bool_t AliAnalysisTaskFilteredTree::ConstrainTrackInner(AliExternalTrackParam *const trackInnerC, const AliESDVertex* vtx, Double_t mass, Double_t b[3])
\r
2019 // Constrain TPC inner params constrained
\r
2021 if(!trackInnerC) return kFALSE;
\r
2022 if(!vtx) return kFALSE;
\r
2024 const Double_t kRadius = 2.8;
\r
2025 const Double_t kMaxStep = 1.0;
\r
2027 Double_t dz[2],cov[3];
\r
2029 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
\r
2030 //if(!trackInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
\r
2031 //if(!trackInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
\r
2033 if(!AliTracker::PropagateTrackToBxByBz(trackInnerC,kRadius,mass,kMaxStep,kFALSE)) return kFALSE;
\r
2034 if(!trackInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
\r
2037 Double_t covar[6]; vtx->GetCovMatrix(covar);
\r
2038 Double_t p[2]={trackInnerC->GetParameter()[0]-dz[0],trackInnerC->GetParameter()[1]-dz[1]};
\r
2039 Double_t c[3]={covar[2],0.,covar[5]};
\r
2040 Double_t chi2C=trackInnerC->GetPredictedChi2(p,c);
\r
2041 if (chi2C>kVeryBig) return kFALSE;
\r
2043 if(!trackInnerC->Update(p,c)) return kFALSE;
\r
2049 //_____________________________________________________________________________
\r
2050 TParticle *AliAnalysisTaskFilteredTree::GetMother(TParticle *const particle, AliStack *const stack)
\r
2052 if(!particle) return NULL;
\r
2053 if(!stack) return NULL;
\r
2055 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2056 TParticle* mother = NULL;
\r
2057 mother = stack->Particle(motherLabel);
\r
2062 //_____________________________________________________________________________
\r
2063 Bool_t AliAnalysisTaskFilteredTree::IsFromConversion(const Int_t label, AliStack *const stack)
\r
2065 Bool_t isFromConversion = kFALSE;
\r
2068 TParticle* particle = stack->Particle(label);
\r
2070 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
2072 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
2073 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
2075 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2076 TParticle* mother = stack->Particle(motherLabel);
\r
2078 Int_t motherPdg = mother->GetPdgCode();
\r
2080 if(!isPrim && mech==5 && motherPdg==kGamma) {
\r
2081 isFromConversion=kTRUE;
\r
2087 return isFromConversion;
\r
2090 //_____________________________________________________________________________
\r
2091 Bool_t AliAnalysisTaskFilteredTree::IsFromMaterial(const Int_t label, AliStack *const stack)
\r
2093 Bool_t isFromMaterial = kFALSE;
\r
2096 TParticle* particle = stack->Particle(label);
\r
2098 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
2100 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
2101 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
2103 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2104 TParticle* mother = stack->Particle(motherLabel);
\r
2106 if(!isPrim && mech==13) {
\r
2107 isFromMaterial=kTRUE;
\r
2113 return isFromMaterial;
\r
2116 //_____________________________________________________________________________
\r
2117 Bool_t AliAnalysisTaskFilteredTree::IsFromStrangeness(const Int_t label, AliStack *const stack)
\r
2119 Bool_t isFromStrangeness = kFALSE;
\r
2122 TParticle* particle = stack->Particle(label);
\r
2124 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
2126 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
2127 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
2129 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2130 TParticle* mother = stack->Particle(motherLabel);
\r
2132 Int_t motherPdg = mother->GetPdgCode();
\r
2134 // K+-, lambda, antilambda, K0s decays
\r
2135 if(!isPrim && mech==4 &&
\r
2136 (TMath::Abs(motherPdg)==kKPlus || TMath::Abs(motherPdg)==kLambda0 || motherPdg==kK0Short))
\r
2138 isFromStrangeness = kTRUE;
\r
2144 return isFromStrangeness;
\r
2148 //_____________________________________________________________________________
\r
2149 void AliAnalysisTaskFilteredTree::FinishTaskOutput()
\r
2152 // Called one at the end
\r
2153 // locally on working node
\r
2156 //// must be deleted to store trees
\r
2157 //if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector=0;
\r
2159 //// open temporary file and copy trees to the ouptut container
\r
2161 //TChain* chain = 0;
\r
2163 //chain = new TChain("highPt");
\r
2165 // chain->Add("jotwinow_Temp_Trees.root");
\r
2166 // fHighPtTree = chain->CopyTree("1");
\r
2167 // delete chain; chain=0;
\r
2169 //if(fHighPtTree) fHighPtTree->Print();
\r
2172 //chain = new TChain("V0s");
\r
2174 // chain->Add("jotwinow_Temp_Trees.root");
\r
2175 // fV0Tree = chain->CopyTree("1");
\r
2176 // delete chain; chain=0;
\r
2178 //if(fV0Tree) fV0Tree->Print();
\r
2181 //chain = new TChain("dEdx");
\r
2183 // chain->Add("jotwinow_Temp_Trees.root");
\r
2184 // fdEdxTree = chain->CopyTree("1");
\r
2185 // delete chain; chain=0;
\r
2187 //if(fdEdxTree) fdEdxTree->Print();
\r
2190 //chain = new TChain("Laser");
\r
2192 // chain->Add("jotwinow_Temp_Trees.root");
\r
2193 // fLaserTree = chain->CopyTree("1");
\r
2194 // delete chain; chain=0;
\r
2196 //if(fLaserTree) fLaserTree->Print();
\r
2199 //chain = new TChain("MCEffTree");
\r
2201 // chain->Add("jotwinow_Temp_Trees.root");
\r
2202 // fMCEffTree = chain->CopyTree("1");
\r
2203 // delete chain; chain=0;
\r
2205 //if(fMCEffTree) fMCEffTree->Print();
\r
2208 //chain = new TChain("CosmicPairs");
\r
2210 // chain->Add("jotwinow_Temp_Trees.root");
\r
2211 // fCosmicPairsTree = chain->CopyTree("1");
\r
2212 // delete chain; chain=0;
\r
2214 //if(fCosmicPairsTree) fCosmicPairsTree->Print();
\r
2219 // Post output data.
\r
2220 //PostData(1, fHighPtTree);
\r
2221 //PostData(2, fV0Tree);
\r
2222 //PostData(3, fdEdxTree);
\r
2223 //PostData(4, fLaserTree);
\r
2224 //PostData(5, fMCEffTree);
\r
2225 //PostData(6, fCosmicPairsTree);
\r
2228 //_____________________________________________________________________________
\r
2229 void AliAnalysisTaskFilteredTree::Terminate(Option_t *)
\r
2231 // Called one at the end
\r
2233 fOutputSummary = dynamic_cast<TTree*> (GetOutputData(1));
\r
2234 if(fOutputSummary) delete fOutputSummary; fOutputSummary=0;
\r
2235 TChain* chain = new TChain("highPt");
\r
2236 if(!chain) return;
\r
2237 chain->Add("jotwinow_HighPt_TrackAndV0_Trees.root");
\r
2238 TTree *tree = chain->CopyTree("1");
\r
2239 if (chain) { delete chain; chain=0; }
\r
2242 fOutputSummary = tree;
\r
2244 if (!fOutputSummary) {
\r
2245 Printf("ERROR: AliAnalysisTaskFilteredTree::Terminate(): Output data not avaiable %p \n", GetOutputData(1));
\r
2251 //_____________________________________________________________________________
\r
2252 Int_t AliAnalysisTaskFilteredTree::GetMCTrueTrackMult(AliMCEvent *const mcEvent, AliFilteredTreeEventCuts *const evtCuts, AliFilteredTreeAcceptanceCuts *const accCuts)
\r
2255 // calculate mc event true track multiplicity
\r
2257 if(!mcEvent) return 0;
\r
2259 AliStack* stack = 0;
\r
2262 // MC particle stack
\r
2263 stack = mcEvent->Stack();
\r
2264 if (!stack) return 0;
\r
2267 //printf("minZv %f, maxZv %f \n", evtCuts->GetMinZv(), evtCuts->GetMaxZv());
\r
2270 Bool_t isEventOK = evtCuts->AcceptMCEvent(mcEvent);
\r
2271 if(!isEventOK) return 0;
\r
2273 Int_t nPart = stack->GetNtrack();
\r
2274 for (Int_t iMc = 0; iMc < nPart; ++iMc)
\r
2276 TParticle* particle = stack->Particle(iMc);
\r
2280 // only charged particles
\r
2281 if(!particle->GetPDG()) continue;
\r
2282 Double_t charge = particle->GetPDG()->Charge()/3.;
\r
2283 if (TMath::Abs(charge) < 0.001)
\r
2286 // physical primary
\r
2287 Bool_t prim = stack->IsPhysicalPrimary(iMc);
\r
2288 if(!prim) continue;
\r
2290 // checked accepted without pt cut
\r
2291 //if(accCuts->AcceptTrack(particle))
\r
2292 if( particle->Eta() > accCuts->GetMinEta() && particle->Eta() < accCuts->GetMaxEta() )
\r