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>
\r
19 #include <TDatabasePDG.h>
\r
22 #include "TTreeStream.h"
\r
25 #include "TCanvas.h"
\r
27 #include "TObjArray.h"
\r
29 #include "TMatrixD.h"
\r
30 #include "TRandom3.h"
\r
32 #include "AliHeader.h"
\r
33 #include "AliGenEventHeader.h"
\r
34 #include "AliInputEventHandler.h"
\r
35 #include "AliStack.h"
\r
36 #include "AliTrackReference.h"
\r
38 #include "AliPhysicsSelection.h"
\r
39 #include "AliAnalysisTask.h"
\r
40 #include "AliAnalysisManager.h"
\r
41 #include "AliESDEvent.h"
\r
42 #include "AliESDfriend.h"
\r
43 #include "AliMCEvent.h"
\r
44 #include "AliESDInputHandler.h"
\r
45 #include "AliESDVertex.h"
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46 #include "AliTracker.h"
\r
47 #include "AliGeomManager.h"
\r
49 #include "AliCentrality.h"
\r
50 #include "AliESDVZERO.h"
\r
51 #include "AliMultiplicity.h"
\r
53 #include "AliESDtrackCuts.h"
\r
54 #include "AliMCEventHandler.h"
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55 #include "AliFilteredTreeEventCuts.h"
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56 #include "AliFilteredTreeAcceptanceCuts.h"
\r
58 #include "AliAnalysisTaskFilteredTree.h"
\r
59 #include "AliKFParticle.h"
\r
60 #include "AliESDv0.h"
\r
62 using namespace std;
\r
64 ClassImp(AliAnalysisTaskFilteredTree)
\r
66 //_____________________________________________________________________________
\r
67 AliAnalysisTaskFilteredTree::AliAnalysisTaskFilteredTree(const char *name)
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68 : AliAnalysisTaskSE(name)
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74 , fUseMCInfo(kFALSE)
\r
75 , fUseESDfriends(kFALSE)
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76 , fFilteredTreeEventCuts(0)
\r
77 , fFilteredTreeAcceptanceCuts(0)
\r
78 , fFilteredTreeRecAcceptanceCuts(0)
\r
80 , fTrigger(AliTriggerAnalysis::kMB1)
\r
81 , fAnalysisMode(kTPCAnalysisMode)
\r
82 , fTreeSRedirector(0)
\r
83 , fCentralityEstimator(0)
\r
84 , fLowPtTrackDownscaligF(0)
\r
85 , fLowPtV0DownscaligF(0)
\r
86 , fProcessAll(kFALSE)
\r
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 if(fOutput) delete fOutput; fOutput =0;
\r
110 if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector =0;
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112 if(fFilteredTreeEventCuts) delete fFilteredTreeEventCuts; fFilteredTreeEventCuts=NULL;
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113 if(fFilteredTreeAcceptanceCuts) delete fFilteredTreeAcceptanceCuts; fFilteredTreeAcceptanceCuts=NULL;
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114 if(fFilteredTreeRecAcceptanceCuts) delete fFilteredTreeRecAcceptanceCuts; fFilteredTreeRecAcceptanceCuts=NULL;
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115 if(fEsdTrackCuts) delete fEsdTrackCuts; fEsdTrackCuts=NULL;
\r
118 //____________________________________________________________________________
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119 Bool_t AliAnalysisTaskFilteredTree::Notify()
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121 static Int_t count = 0;
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123 TTree *chain = (TChain*)GetInputData(0);
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126 Printf("Processing %d. file: %s", count, chain->GetCurrentFile()->GetName());
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132 //_____________________________________________________________________________
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133 void AliAnalysisTaskFilteredTree::UserCreateOutputObjects()
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135 // Create histograms
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137 fOutput = new TList;
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138 fOutput->SetOwner();
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141 // create temporary file for output tree
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142 fTreeSRedirector = new TTreeSRedirector("jotwinow_Temp_Trees.root");
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148 fHighPtTree = new TTree;
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149 fV0Tree = new TTree;
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150 fdEdxTree = new TTree;
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151 fLaserTree = new TTree;
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152 fMCEffTree = new TTree;
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153 fCosmicPairsTree = new TTree;
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155 fOutput->Add(fHighPtTree);
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156 fOutput->Add(fV0Tree);
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157 fOutput->Add(fdEdxTree);
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158 fOutput->Add(fLaserTree);
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159 fOutput->Add(fMCEffTree);
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160 fOutput->Add(fCosmicPairsTree);
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162 PostData(1,fHighPtTree);
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163 PostData(2,fV0Tree);
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164 PostData(3,fdEdxTree);
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165 PostData(4,fLaserTree);
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166 PostData(5,fMCEffTree);
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167 PostData(6,fCosmicPairsTree);
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171 //_____________________________________________________________________________
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172 void AliAnalysisTaskFilteredTree::UserExec(Option_t *)
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175 // Called for each event
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179 fESD = (AliESDEvent*) (InputEvent());
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181 Printf("ERROR: ESD event not available");
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189 Printf("ERROR: MC event not available");
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194 if(fUseESDfriends) {
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195 fESDfriend = static_cast<AliESDfriend*>(fESD->FindListObject("AliESDfriend"));
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197 Printf("ERROR: ESD friends not available");
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203 ProcessAll(fESD,fMC,fESDfriend); // all track stages and MC
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206 Process(fESD,fMC,fESDfriend); // only global and TPC tracks
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210 ProcessV0(fESD,fMC,fESDfriend);
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211 ProcessLaser(fESD,fMC,fESDfriend);
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212 ProcessdEdx(fESD,fMC,fESDfriend);
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214 if (fProcessCosmics) { ProcessCosmics(fESD); }
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215 if(IsUseMCInfo()) { ProcessMCEff(fESD,fMC,fESDfriend); }
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218 //_____________________________________________________________________________
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219 void AliAnalysisTaskFilteredTree::ProcessCosmics(AliESDEvent *const event)
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222 // Select real events with high-pT tracks
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225 AliDebug(AliLog::kError, "event not available");
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230 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
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233 Printf("ERROR: Could not receive input handler");
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238 TTree *chain = (TChain*)GetInputData(0);
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240 Printf("ERROR: Could not receive input chain");
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243 TObjString fileName(chain->GetCurrentFile()->GetName());
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246 // check for cosmic pairs
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248 // find cosmic pairs trigger by random trigger
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251 AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD();
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252 AliESDVertex *vertexTPC = (AliESDVertex *)event->GetPrimaryVertexTPC();
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253 const Double_t kMinPt=0.8;
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254 const Double_t kMinPtMax=0.8;
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255 const Double_t kMinNcl=50;
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256 const Double_t kMaxDelta[5]={2,600,0.02,0.02,0.1};
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257 Int_t ntracks=event->GetNumberOfTracks();
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258 // Float_t dcaTPC[2]={0,0};
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259 // Float_t covTPC[3]={0,0,0};
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261 UInt_t specie = event->GetEventSpecie(); // skip laser events
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262 if (specie==AliRecoParam::kCalib) return;
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266 for (Int_t itrack0=0;itrack0<ntracks;itrack0++) {
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267 AliESDtrack *track0 = event->GetTrack(itrack0);
\r
268 if (!track0) continue;
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269 if (!track0->IsOn(AliESDtrack::kTPCrefit)) continue;
\r
271 if (TMath::Abs(AliTracker::GetBz())>1 && track0->Pt() < kMinPt) continue;
\r
272 if (track0->Pt() < kMinPt) continue;
\r
273 if (track0->GetTPCncls() < kMinNcl) continue;
\r
274 if (TMath::Abs(track0->GetY())<kMaxDelta[0]) continue;
\r
275 if (track0->GetKinkIndex(0)>0) continue;
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276 const Double_t * par0=track0->GetParameter(); //track param at rhe DCA
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279 //track0->GetImpactParametersTPC(dcaTPC,covTPC);
\r
280 //if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
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281 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
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282 // const AliExternalTrackParam * trackIn0 = track0->GetInnerParam();
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283 for (Int_t itrack1=itrack0+1;itrack1<ntracks;itrack1++) {
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284 AliESDtrack *track1 = event->GetTrack(itrack1);
\r
285 if (!track1) continue;
\r
286 if (!track1->IsOn(AliESDtrack::kTPCrefit)) continue;
\r
287 if (track1->GetKinkIndex(0)>0) continue;
\r
288 if ((TMath::Abs(AliTracker::GetBz())>1) && (track1->Pt() < kMinPt)) continue;
\r
289 if (track1->Pt() < kMinPt) continue;
\r
290 if (track1->GetTPCncls()<kMinNcl) continue;
\r
291 if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Max(track1->Pt(), track0->Pt())<kMinPtMax) continue;
\r
292 if (TMath::Abs(track1->GetY())<kMaxDelta[0]) continue;
\r
293 //track1->GetImpactParametersTPC(dcaTPC,covTPC);
\r
294 // if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
\r
295 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
\r
297 const Double_t* par1=track1->GetParameter(); //track param at rhe DCA
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299 Bool_t isPair=kTRUE;
\r
300 for (Int_t ipar=0; ipar<5; ipar++){
\r
301 if (ipar==4&&TMath::Abs(AliTracker::GetBz())<1) continue; // 1/pt not defined for B field off
\r
302 if (TMath::Abs(TMath::Abs(par0[ipar])-TMath::Abs(par1[ipar]))>kMaxDelta[ipar]) isPair=kFALSE;
\r
304 if (!isPair) continue;
\r
305 if (TMath::Abs(TMath::Abs(track0->GetAlpha()-track1->GetAlpha())-TMath::Pi())>kMaxDelta[2]) isPair=kFALSE;
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306 //delta with correct sign
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308 TCut cut0="abs(t1.fP[0]+t0.fP[0])<2"
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309 TCut cut3="abs(t1.fP[3]+t0.fP[3])<0.02"
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310 TCut cut4="abs(t1.fP[4]+t0.fP[4])<0.2"
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312 if (TMath::Abs(par0[0]+par1[0])>kMaxDelta[0]) isPair=kFALSE; //delta y opposite sign
\r
313 if (TMath::Abs(par0[3]+par1[3])>kMaxDelta[3]) isPair=kFALSE; //delta tgl opposite sign
\r
314 if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Abs(par0[4]+par1[4])>kMaxDelta[4]) isPair=kFALSE; //delta 1/pt opposite sign
\r
315 if (!isPair) continue;
\r
316 TString filename(AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile()->GetName());
\r
317 Int_t eventNumber = event->GetEventNumberInFile();
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318 //Bool_t hasFriend = kFALSE;
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319 //Bool_t hasITS=(track0->GetNcls(0)+track1->GetNcls(0)>4);
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320 //printf("DUMPHPTCosmic:%s|%f|%d|%d|%d\n",filename.Data(),(TMath::Min(track0->Pt(),track1->Pt())), eventNumber,hasFriend,hasITS);
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321 // const AliExternalTrackParam * trackIn1 = track1->GetInnerParam();
\r
324 Int_t ntracksSPD = vertexSPD->GetNContributors();
\r
325 Int_t ntracksTPC = vertexTPC->GetNContributors();
\r
326 Int_t runNumber = event->GetRunNumber();
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327 Int_t timeStamp = event->GetTimeStamp();
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328 ULong64_t triggerMask = event->GetTriggerMask();
\r
329 Float_t magField = event->GetMagneticField();
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330 TObjString triggerClass = event->GetFiredTriggerClasses().Data();
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333 // Dump to the tree
\r
337 if(!fTreeSRedirector) return;
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338 (*fTreeSRedirector)<<"CosmicPairs"<<
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339 "fileName.="<<&fileName<< // file name
\r
340 "runNumber="<<runNumber<< // run number
\r
341 "evtTimeStamp="<<timeStamp<< // time stamp of event
\r
342 "evtNumberInFile="<<eventNumber<< // event number
\r
343 "trigger="<<triggerMask<< // trigger
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344 "triggerClass="<<&triggerClass<< // trigger
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345 "Bz="<<magField<< // magnetic field
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347 "multSPD="<<ntracksSPD<<
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348 "multTPC="<<ntracksTPC<<
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349 "vertSPD.="<<vertexSPD<< //primary vertex -SPD
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350 "vertTPC.="<<vertexTPC<< //primary vertex -TPC
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351 "t0.="<<track0<< //track0
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352 "t1.="<<track1<< //track1
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359 //_____________________________________________________________________________
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360 void AliAnalysisTaskFilteredTree::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
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363 // Select real events with high-pT tracks
\r
366 AliDebug(AliLog::kError, "esdEvent not available");
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370 // get selection cuts
\r
371 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
372 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
373 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
375 if(!evtCuts || !accCuts || !esdTrackCuts) {
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376 Printf("ERROR cuts not available");
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380 // trigger selection
\r
381 Bool_t isEventTriggered = kTRUE;
\r
382 AliPhysicsSelection *physicsSelection = NULL;
\r
383 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
386 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
389 Printf("ERROR: Could not receive input handler");
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394 TTree *chain = (TChain*)GetInputData(0);
\r
396 Printf("ERROR: Could not receive input chain");
\r
399 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
402 if(evtCuts->IsTriggerRequired())
\r
405 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
407 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
408 if(!physicsSelection) return;
\r
409 //SetPhysicsTriggerSelection(physicsSelection);
\r
411 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
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412 // set trigger (V0AND)
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413 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
414 if(!triggerAnalysis) return;
\r
415 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
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419 // centrality determination
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420 Float_t centralityF = -1;
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421 AliCentrality *esdCentrality = esdEvent->GetCentrality();
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422 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
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424 // use MC information
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425 AliHeader* header = 0;
\r
426 AliGenEventHeader* genHeader = 0;
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427 AliStack* stack = 0;
\r
430 Int_t multMCTrueTracks = 0;
\r
435 AliDebug(AliLog::kError, "mcEvent not available");
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438 // get MC event header
\r
439 header = mcEvent->Header();
\r
441 AliDebug(AliLog::kError, "Header not available");
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444 // MC particle stack
\r
445 stack = mcEvent->Stack();
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447 AliDebug(AliLog::kError, "Stack not available");
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452 genHeader = header->GenEventHeader();
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454 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
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457 genHeader->PrimaryVertex(vtxMC);
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459 // multipliticy of all MC primary tracks
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460 // in Zv, pt and eta ranges)
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461 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
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465 // get reconstructed vertex
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466 //const AliESDVertex* vtxESD = 0;
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467 AliESDVertex* vtxESD = 0;
\r
468 if(GetAnalysisMode() == kTPCAnalysisMode) {
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469 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
471 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
472 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
478 if(!vtxESD) return;
\r
480 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
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481 //printf("isEventOK %d, isEventTriggered %d, status %d, vz %f \n",isEventOK, isEventTriggered, vtxESD->GetStatus(), vtxESD->GetZv());
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482 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
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485 // check event cuts
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486 if(isEventOK && isEventTriggered)
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490 // get IR information
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492 AliESDHeader *esdHeader = 0;
\r
493 esdHeader = esdEvent->GetHeader();
\r
494 if(!esdHeader) return;
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495 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
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496 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
\r
498 // Use when Peter commit the changes in the header
\r
503 Double_t vert[3] = {0};
\r
504 vert[0] = vtxESD->GetXv();
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505 vert[1] = vtxESD->GetYv();
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506 vert[2] = vtxESD->GetZv();
\r
507 Int_t mult = vtxESD->GetNContributors();
\r
508 Double_t bz = esdEvent->GetMagneticField();
\r
509 Double_t runNumber = esdEvent->GetRunNumber();
\r
510 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
511 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
514 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
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516 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
517 if(!track) continue;
\r
518 if(track->Charge()==0) continue;
\r
519 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
520 if(!accCuts->AcceptTrack(track)) continue;
\r
522 // downscale low-pT tracks
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523 Double_t scalempt= TMath::Min(track->Pt(),10.);
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524 Double_t downscaleF = gRandom->Rndm();
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525 downscaleF *= fLowPtTrackDownscaligF;
\r
526 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
527 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
529 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
\r
530 if (!tpcInner) continue;
\r
531 // transform to the track reference frame
\r
532 Bool_t isOK = kFALSE;
\r
533 isOK = tpcInner->Rotate(track->GetAlpha());
\r
534 isOK = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
535 if(!isOK) continue;
\r
537 // Dump to the tree
\r
541 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
542 if(!fTreeSRedirector) return;
\r
543 (*fTreeSRedirector)<<"highPt"<<
\r
544 "fileName.="<<&fileName<<
\r
545 "runNumber="<<runNumber<<
\r
546 "evtTimeStamp="<<evtTimeStamp<<
\r
547 "evtNumberInFile="<<evtNumberInFile<<
\r
548 "triggerClass="<<&triggerClass<< // trigger
\r
550 "vtxESD.="<<vtxESD<<
\r
554 "esdTrack.="<<track<<
\r
555 "centralityF="<<centralityF<<
\r
563 //_____________________________________________________________________________
\r
564 void AliAnalysisTaskFilteredTree::ProcessLaser(AliESDEvent *const esdEvent, AliMCEvent * const /*mcEvent*/, AliESDfriend *const /*esdFriend*/)
\r
567 // Process laser events
\r
570 AliDebug(AliLog::kError, "esdEvent not available");
\r
575 TTree *chain = (TChain*)GetInputData(0);
\r
577 Printf("ERROR: Could not receive input chain");
\r
580 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
583 const AliESDHeader* esdHeader = esdEvent->GetHeader();
\r
584 if(esdHeader && esdHeader->GetEventSpecie()==AliRecoParam::kCalib)
\r
586 Int_t countLaserTracks = 0;
\r
587 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
589 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
590 if(!track) continue;
\r
592 if(track->GetTPCInnerParam()) countLaserTracks++;
\r
595 if(countLaserTracks > 100)
\r
597 Double_t runNumber = esdEvent->GetRunNumber();
\r
598 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
599 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
600 Double_t bz = esdEvent->GetMagneticField();
\r
601 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
603 if(!fTreeSRedirector) return;
\r
604 (*fTreeSRedirector)<<"Laser"<<
\r
605 "fileName.="<<&fileName<<
\r
606 "runNumber="<<runNumber<<
\r
607 "evtTimeStamp="<<evtTimeStamp<<
\r
608 "evtNumberInFile="<<evtNumberInFile<<
\r
609 "triggerClass="<<&triggerClass<< // trigger
\r
611 "multTPCtracks="<<countLaserTracks<<
\r
617 //_____________________________________________________________________________
\r
618 void AliAnalysisTaskFilteredTree::ProcessAll(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend)
\r
621 // Select real events with high-pT tracks
\r
622 // Calculate and stor in the output tree:
\r
623 // TPC constrained tracks
\r
624 // InnerParams constrained tracks
\r
626 // ITSout-InnerParams tracks
\r
627 // chi2 distance between TPC constrained and TPC-ITS tracks
\r
628 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
\r
629 // chi2 distance between ITSout and InnerParams tracks
\r
630 // MC information:
\r
631 // track references at ITSin, TPCin; InnerParam at first TPC track reference,
\r
632 // particle ID, mother ID, production mechanism ...
\r
636 AliDebug(AliLog::kError, "esdEvent not available");
\r
640 // get selection cuts
\r
641 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
642 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
643 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
645 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
646 AliDebug(AliLog::kError, "cuts not available");
\r
650 // trigger selection
\r
651 Bool_t isEventTriggered = kTRUE;
\r
652 AliPhysicsSelection *physicsSelection = NULL;
\r
653 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
656 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
659 Printf("ERROR: Could not receive input handler");
\r
664 TTree *chain = (TChain*)GetInputData(0);
\r
666 Printf("ERROR: Could not receive input chain");
\r
669 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
672 if(evtCuts->IsTriggerRequired())
\r
675 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
677 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
678 if(!physicsSelection) return;
\r
679 //SetPhysicsTriggerSelection(physicsSelection);
\r
681 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
682 // set trigger (V0AND)
\r
683 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
684 if(!triggerAnalysis) return;
\r
685 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
689 // centrality determination
\r
690 Float_t centralityF = -1;
\r
691 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
692 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
694 // use MC information
\r
695 AliHeader* header = 0;
\r
696 AliGenEventHeader* genHeader = 0;
\r
697 AliStack* stack = 0;
\r
700 Int_t multMCTrueTracks = 0;
\r
705 AliDebug(AliLog::kError, "mcEvent not available");
\r
708 // get MC event header
\r
709 header = mcEvent->Header();
\r
711 AliDebug(AliLog::kError, "Header not available");
\r
714 // MC particle stack
\r
715 stack = mcEvent->Stack();
\r
717 AliDebug(AliLog::kError, "Stack not available");
\r
722 genHeader = header->GenEventHeader();
\r
724 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
727 genHeader->PrimaryVertex(vtxMC);
\r
729 // multipliticy of all MC primary tracks
\r
730 // in Zv, pt and eta ranges)
\r
731 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
735 // get reconstructed vertex
\r
736 //const AliESDVertex* vtxESD = 0;
\r
737 AliESDVertex* vtxESD = 0;
\r
738 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
739 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
741 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
742 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
748 if(!vtxESD) return;
\r
750 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
751 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
752 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
755 // check event cuts
\r
756 if(isEventOK && isEventTriggered)
\r
759 // get IR information
\r
761 AliESDHeader *esdHeader = 0;
\r
762 esdHeader = esdEvent->GetHeader();
\r
763 if(!esdHeader) return;
\r
764 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
\r
765 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
\r
771 Double_t vert[3] = {0};
\r
772 vert[0] = vtxESD->GetXv();
\r
773 vert[1] = vtxESD->GetYv();
\r
774 vert[2] = vtxESD->GetZv();
\r
775 Int_t mult = vtxESD->GetNContributors();
\r
776 Double_t bz = esdEvent->GetMagneticField();
\r
777 Double_t runNumber = esdEvent->GetRunNumber();
\r
778 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
779 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
782 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
784 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
785 if(!track) continue;
\r
786 if(track->Charge()==0) continue;
\r
787 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
788 if(!accCuts->AcceptTrack(track)) continue;
\r
790 // downscale low-pT tracks
\r
791 Double_t scalempt= TMath::Min(track->Pt(),10.);
\r
792 Double_t downscaleF = gRandom->Rndm();
\r
793 downscaleF *= fLowPtTrackDownscaligF;
\r
794 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
795 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
797 // Dump to the tree
\r
799 // TPC constrained tracks
\r
800 // InnerParams constrained tracks
\r
802 // ITSout-InnerParams tracks
\r
803 // chi2 distance between TPC constrained and TPC-ITS tracks
\r
804 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
\r
805 // chi2 distance between ITSout and InnerParams tracks
\r
808 Double_t x[3]; track->GetXYZ(x);
\r
809 Double_t b[3]; AliTracker::GetBxByBz(x,b);
\r
812 // Transform TPC inner params to track reference frame
\r
814 Bool_t isOKtpcInner = kFALSE;
\r
815 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
\r
817 // transform to the track reference frame
\r
818 isOKtpcInner = tpcInner->Rotate(track->GetAlpha());
\r
819 isOKtpcInner = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
823 // Constrain TPC inner to vertex
\r
824 // clone TPCinner has to be deleted
\r
826 Bool_t isOKtpcInnerC = kFALSE;
\r
827 AliExternalTrackParam * tpcInnerC = new AliExternalTrackParam(*(track->GetTPCInnerParam()));
\r
829 isOKtpcInnerC = ConstrainTPCInner(tpcInnerC,vtxESD,b);
\r
830 isOKtpcInnerC = tpcInnerC->Rotate(track->GetAlpha());
\r
831 isOKtpcInnerC = tpcInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
835 // Constrain TPC refitted tracks at inner TPC wall (InnerParams) to vertex
\r
836 // Clone track InnerParams has to be deleted
\r
838 Bool_t isOKtrackInnerC = kFALSE;
\r
839 AliExternalTrackParam * trackInnerC = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
841 isOKtrackInnerC = ConstrainTrackInner(trackInnerC,vtxESD,track->GetMass(),b);
\r
842 isOKtrackInnerC = trackInnerC->Rotate(track->GetAlpha());
\r
843 isOKtrackInnerC = trackInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
847 // calculate chi2 between vi and vj vectors
\r
848 // with covi and covj covariance matrices
\r
849 // chi2ij = (vi-vj)^(T)*(covi+covj)^(-1)*(vi-vj)
\r
851 TMatrixD deltaT(5,1), deltaTtrackC(5,1);
\r
852 TMatrixD delta(1,5), deltatrackC(1,5);
\r
853 TMatrixD covarM(5,5), covarMtrackC(5,5);
\r
854 TMatrixD chi2(1,1);
\r
855 TMatrixD chi2trackC(1,1);
\r
857 if(isOKtpcInnerC && isOKtrackInnerC)
\r
859 for (Int_t ipar=0; ipar<5; ipar++) {
\r
860 deltaT(ipar,0)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
861 delta(0,ipar)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
863 deltaTtrackC(ipar,0)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
864 deltatrackC(0,ipar)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
866 for (Int_t jpar=0; jpar<5; jpar++) {
\r
867 Int_t index=track->GetIndex(ipar,jpar);
\r
868 covarM(ipar,jpar)=track->GetCovariance()[index]+tpcInnerC->GetCovariance()[index];
\r
869 covarMtrackC(ipar,jpar)=track->GetCovariance()[index]+trackInnerC->GetCovariance()[index];
\r
873 // chi2 distance TPC constrained and TPC+ITS
\r
874 TMatrixD covarMInv = covarM.Invert();
\r
875 TMatrixD mat2 = covarMInv*deltaT;
\r
876 chi2 = delta*mat2;
\r
879 // chi2 distance TPC refitted constrained and TPC+ITS
\r
880 TMatrixD covarMInvtrackC = covarMtrackC.Invert();
\r
881 TMatrixD mat2trackC = covarMInvtrackC*deltaTtrackC;
\r
882 chi2trackC = deltatrackC*mat2trackC;
\r
883 //chi2trackC.Print();
\r
888 // Propagate ITSout to TPC inner wall
\r
889 // and calculate chi2 distance to track (InnerParams)
\r
891 const Double_t kTPCRadius=85;
\r
892 const Double_t kStep=3;
\r
894 // clone track InnerParams has to be deleted
\r
895 Bool_t isOKtrackInnerC2 = kFALSE;
\r
896 AliExternalTrackParam *trackInnerC2 = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
897 if (trackInnerC2) {
\r
898 isOKtrackInnerC2 = AliTracker::PropagateTrackToBxByBz(trackInnerC2,kTPCRadius,track->GetMass(),kStep,kFALSE);
\r
901 Bool_t isOKouterITSc = kFALSE;
\r
902 AliExternalTrackParam *outerITSc = NULL;
\r
903 TMatrixD chi2OuterITS(1,1);
\r
905 if(esdFriend && esdFriend->TestSkipBit()==kFALSE)
\r
907 // propagate ITSout to TPC inner wall
\r
908 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(iTrack);
\r
912 outerITSc = new AliExternalTrackParam(*friendTrack->GetITSOut());
\r
915 isOKouterITSc = AliTracker::PropagateTrackToBxByBz(outerITSc,kTPCRadius,track->GetMass(),kStep,kFALSE);
\r
916 isOKouterITSc = outerITSc->Rotate(trackInnerC2->GetAlpha());
\r
917 isOKouterITSc = outerITSc->PropagateTo(trackInnerC2->GetX(),esdEvent->GetMagneticField());
\r
920 // calculate chi2 between outerITS and innerParams
\r
921 // cov without z-coordinate at the moment
\r
923 TMatrixD deltaTouterITS(4,1);
\r
924 TMatrixD deltaouterITS(1,4);
\r
925 TMatrixD covarMouterITS(4,4);
\r
927 if(isOKtrackInnerC2 && isOKouterITSc) {
\r
930 for (Int_t ipar=0; ipar<5; ipar++) {
\r
932 deltaTouterITS(kipar,0)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
\r
933 deltaouterITS(0,kipar)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
\r
937 for (Int_t jpar=0; jpar<5; jpar++) {
\r
938 Int_t index=outerITSc->GetIndex(ipar,jpar);
\r
939 if(ipar !=1 || jpar!=1) {
\r
940 covarMouterITS(kipar,kjpar)=outerITSc->GetCovariance()[index]+trackInnerC2->GetCovariance()[index];
\r
942 if(jpar!=1) kjpar++;
\r
944 if(ipar!=1) kipar++;
\r
947 // chi2 distance ITSout and InnerParams
\r
948 TMatrixD covarMInvouterITS = covarMouterITS.Invert();
\r
949 TMatrixD mat2outerITS = covarMInvouterITS*deltaTouterITS;
\r
950 chi2OuterITS = deltaouterITS*mat2outerITS;
\r
951 //chi2OuterITS.Print();
\r
960 TParticle *particle=NULL, *particleTPC=NULL, *particleITS=NULL;
\r
961 TParticle *particleMother=NULL, *particleMotherTPC=NULL, *particleMotherITS=NULL;
\r
962 Int_t mech=-1, mechTPC=-1, mechITS=-1;
\r
963 Bool_t isPrim=kFALSE, isPrimTPC=kFALSE, isPrimITS=kFALSE;
\r
964 Bool_t isFromStrangess=kFALSE, isFromStrangessTPC=kFALSE, isFromStrangessITS=kFALSE;
\r
965 Bool_t isFromConversion=kFALSE, isFromConversionTPC=kFALSE, isFromConversionITS=kFALSE;
\r
966 Bool_t isFromMaterial=kFALSE, isFromMaterialTPC=kFALSE, isFromMaterialITS=kFALSE;
\r
968 AliTrackReference *refTPCIn = NULL;
\r
969 AliTrackReference *refITS = NULL;
\r
971 Bool_t isOKtrackInnerC3 = kFALSE;
\r
972 AliExternalTrackParam *trackInnerC3 = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
981 Int_t label = TMath::Abs(track->GetLabel());
\r
982 particle = stack->Particle(label);
\r
983 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0.)
\r
985 particleMother = GetMother(particle,stack);
\r
986 mech = particle->GetUniqueID();
\r
987 isPrim = stack->IsPhysicalPrimary(label);
\r
988 isFromStrangess = IsFromStrangeness(label,stack);
\r
989 isFromConversion = IsFromConversion(label,stack);
\r
990 isFromMaterial = IsFromMaterial(label,stack);
\r
996 Int_t labelTPC = TMath::Abs(track->GetTPCLabel());
\r
997 particleTPC = stack->Particle(labelTPC);
\r
998 if(particleTPC && particleTPC->GetPDG() && particleTPC->GetPDG()->Charge()!=0.)
\r
1000 particleMotherTPC = GetMother(particleTPC,stack);
\r
1001 mechTPC = particleTPC->GetUniqueID();
\r
1002 isPrimTPC = stack->IsPhysicalPrimary(labelTPC);
\r
1003 isFromStrangessTPC = IsFromStrangeness(labelTPC,stack);
\r
1004 isFromConversionTPC = IsFromConversion(labelTPC,stack);
\r
1005 isFromMaterialTPC = IsFromMaterial(labelTPC,stack);
\r
1009 // store first track reference
\r
1012 TParticle *part=0;
\r
1013 TClonesArray *trefs=0;
\r
1014 Int_t status = mcEvent->GetParticleAndTR(track->GetTPCLabel(), part, trefs);
\r
1016 if(status>0 && part && trefs && part->GetPDG() && part->GetPDG()->Charge()!=0.)
\r
1018 Int_t nTrackRef = trefs->GetEntries();
\r
1019 //printf("nTrackRef %d \n",nTrackRef);
\r
1021 Int_t countITS = 0;
\r
1022 for (Int_t iref = 0; iref < nTrackRef; iref++)
\r
1024 AliTrackReference *ref = (AliTrackReference *)trefs->At(iref);
\r
1026 // Ref. in the middle ITS
\r
1027 if(ref && ref->DetectorId()==AliTrackReference::kITS)
\r
1029 if(!refITS && countITS==2) {
\r
1031 //printf("refITS %p \n",refITS);
\r
1037 if(ref && ref->DetectorId()==AliTrackReference::kTPC)
\r
1041 //printf("refTPCIn %p \n",refTPCIn);
\r
1047 // transform inner params to TrackRef
\r
1048 // reference frame
\r
1049 if(refTPCIn && trackInnerC3)
\r
1051 Double_t kRefPhi = TMath::ATan2(refTPCIn->Y(),refTPCIn->X());
\r
1052 isOKtrackInnerC3 = trackInnerC3->Rotate(kRefPhi);
\r
1053 isOKtrackInnerC3 = AliTracker::PropagateTrackToBxByBz(trackInnerC3,refTPCIn->R(),track->GetMass(),kStep,kFALSE);
\r
1060 Int_t labelITS = TMath::Abs(track->GetITSLabel());
\r
1061 particleITS = stack->Particle(labelITS);
\r
1062 if(particleITS && particleITS->GetPDG() && particleITS->GetPDG()->Charge()!=0.)
\r
1064 particleMotherITS = GetMother(particleITS,stack);
\r
1065 mechITS = particleITS->GetUniqueID();
\r
1066 isPrimITS = stack->IsPhysicalPrimary(labelITS);
\r
1067 isFromStrangessITS = IsFromStrangeness(labelITS,stack);
\r
1068 isFromConversionITS = IsFromConversion(labelITS,stack);
\r
1069 isFromMaterialITS = IsFromMaterial(labelITS,stack);
\r
1074 Bool_t dumpToTree=kFALSE;
\r
1076 if(isOKtpcInnerC && isOKtrackInnerC) dumpToTree = kTRUE;
\r
1077 if(fUseESDfriends && isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE;
\r
1078 if(fUseMCInfo && isOKtrackInnerC3) dumpToTree = kTRUE;
\r
1079 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1082 if(fTreeSRedirector && dumpToTree)
\r
1084 (*fTreeSRedirector)<<"highPt"<<
\r
1085 "fileName.="<<&fileName<<
\r
1086 "runNumber="<<runNumber<<
\r
1087 "evtTimeStamp="<<evtTimeStamp<<
\r
1088 "evtNumberInFile="<<evtNumberInFile<<
\r
1089 "triggerClass="<<&triggerClass<< // trigger
\r
1091 "vtxESD.="<<vtxESD<<
\r
1095 "esdTrack.="<<track<<
\r
1096 "extTPCInnerC.="<<tpcInnerC<<
\r
1097 "extInnerParamC.="<<trackInnerC<<
\r
1098 "extInnerParam.="<<trackInnerC2<<
\r
1099 "extOuterITS.="<<outerITSc<<
\r
1100 "extInnerParamRef.="<<trackInnerC3<<
\r
1101 "refTPCIn.="<<refTPCIn<<
\r
1102 "refITS.="<<refITS<<
\r
1103 "chi2TPCInnerC="<<chi2(0,0)<<
\r
1104 "chi2InnerC="<<chi2trackC(0,0)<<
\r
1105 "chi2OuterITS="<<chi2OuterITS(0,0)<<
\r
1106 "centralityF="<<centralityF<<
\r
1107 "particle.="<<particle<<
\r
1108 "particleMother.="<<particleMother<<
\r
1110 "isPrim="<<isPrim<<
\r
1111 "isFromStrangess="<<isFromStrangess<<
\r
1112 "isFromConversion="<<isFromConversion<<
\r
1113 "isFromMaterial="<<isFromMaterial<<
\r
1114 "particleTPC.="<<particleTPC<<
\r
1115 "particleMotherTPC.="<<particleMotherTPC<<
\r
1116 "mechTPC="<<mechTPC<<
\r
1117 "isPrimTPC="<<isPrimTPC<<
\r
1118 "isFromStrangessTPC="<<isFromStrangessTPC<<
\r
1119 "isFromConversionTPC="<<isFromConversionTPC<<
\r
1120 "isFromMaterialTPC="<<isFromMaterialTPC<<
\r
1121 "particleITS.="<<particleITS<<
\r
1122 "particleMotherITS.="<<particleMotherITS<<
\r
1123 "mechITS="<<mechITS<<
\r
1124 "isPrimITS="<<isPrimITS<<
\r
1125 "isFromStrangessITS="<<isFromStrangessITS<<
\r
1126 "isFromConversionITS="<<isFromConversionITS<<
\r
1127 "isFromMaterialITS="<<isFromMaterialITS<<
\r
1131 if(tpcInnerC) delete tpcInnerC;
\r
1132 if(trackInnerC) delete trackInnerC;
\r
1133 if(trackInnerC2) delete trackInnerC2;
\r
1134 if(outerITSc) delete outerITSc;
\r
1135 if(trackInnerC3) delete trackInnerC3;
\r
1142 //_____________________________________________________________________________
\r
1143 void AliAnalysisTaskFilteredTree::ProcessMCEff(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1146 // Fill tree for efficiency studies MC only
\r
1149 AliDebug(AliLog::kError, "esdEvent not available");
\r
1154 AliDebug(AliLog::kError, "mcEvent not available");
\r
1158 // get selection cuts
\r
1159 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1160 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1161 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1163 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1164 AliDebug(AliLog::kError, "cuts not available");
\r
1168 // trigger selection
\r
1169 Bool_t isEventTriggered = kTRUE;
\r
1170 AliPhysicsSelection *physicsSelection = NULL;
\r
1171 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1174 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1175 if (!inputHandler)
\r
1177 Printf("ERROR: Could not receive input handler");
\r
1182 TTree *chain = (TChain*)GetInputData(0);
\r
1184 Printf("ERROR: Could not receive input chain");
\r
1187 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1190 if(evtCuts->IsTriggerRequired())
\r
1193 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1195 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1196 if(!physicsSelection) return;
\r
1198 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1199 // set trigger (V0AND)
\r
1200 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1201 if(!triggerAnalysis) return;
\r
1202 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1206 // centrality determination
\r
1207 Float_t centralityF = -1;
\r
1208 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
1209 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
1211 // use MC information
\r
1212 AliHeader* header = 0;
\r
1213 AliGenEventHeader* genHeader = 0;
\r
1214 AliStack* stack = 0;
\r
1217 Int_t multMCTrueTracks = 0;
\r
1222 AliDebug(AliLog::kError, "mcEvent not available");
\r
1225 // get MC event header
\r
1226 header = mcEvent->Header();
\r
1228 AliDebug(AliLog::kError, "Header not available");
\r
1231 // MC particle stack
\r
1232 stack = mcEvent->Stack();
\r
1234 AliDebug(AliLog::kError, "Stack not available");
\r
1239 genHeader = header->GenEventHeader();
\r
1241 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
1244 genHeader->PrimaryVertex(vtxMC);
\r
1246 // multipliticy of all MC primary tracks
\r
1247 // in Zv, pt and eta ranges)
\r
1248 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
1252 // get reconstructed vertex
\r
1253 //const AliESDVertex* vtxESD = 0;
\r
1254 AliESDVertex* vtxESD = 0;
\r
1255 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1256 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1258 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1259 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1265 if(!vtxESD) return;
\r
1267 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1268 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1269 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1271 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1273 // check event cuts
\r
1274 if(isEventOK && isEventTriggered)
\r
1276 if(IsUseMCInfo())
\r
1278 if(!stack) return;
\r
1283 TParticle *particle=NULL;
\r
1284 TParticle *particleMother=NULL;
\r
1287 // reco event info
\r
1288 Double_t vert[3] = {0};
\r
1289 vert[0] = vtxESD->GetXv();
\r
1290 vert[1] = vtxESD->GetYv();
\r
1291 vert[2] = vtxESD->GetZv();
\r
1292 Int_t mult = vtxESD->GetNContributors();
\r
1293 Double_t bz = esdEvent->GetMagneticField();
\r
1294 Double_t runNumber = esdEvent->GetRunNumber();
\r
1295 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
1296 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
1298 // loop over MC stack
\r
1299 for (Int_t iMc = 0; iMc < stack->GetNtrack(); ++iMc)
\r
1301 particle = stack->Particle(iMc);
\r
1305 // only charged particles
\r
1306 if(!particle->GetPDG()) continue;
\r
1307 Double_t charge = particle->GetPDG()->Charge()/3.;
\r
1308 if (TMath::Abs(charge) < 0.001)
\r
1311 // only primary particles
\r
1312 Bool_t prim = stack->IsPhysicalPrimary(iMc);
\r
1313 if(!prim) continue;
\r
1315 // downscale low-pT particles
\r
1316 Double_t scalempt= TMath::Min(particle->Pt(),10.);
\r
1317 Double_t downscaleF = gRandom->Rndm();
\r
1318 downscaleF *= fLowPtTrackDownscaligF;
\r
1319 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
1321 // is particle in acceptance
\r
1322 if(!accCuts->AcceptTrack(particle)) continue;
\r
1324 // check if particle reconstructed
\r
1325 Bool_t isRec = kFALSE;
\r
1326 Int_t trackIndex = -1;
\r
1327 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
1330 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
1331 if(!track) continue;
\r
1332 if(track->Charge()==0) continue;
\r
1333 if(esdTrackCuts->AcceptTrack(track) && accCuts->AcceptTrack(track))
\r
1335 Int_t label = TMath::Abs(track->GetLabel());
\r
1336 if(label == iMc) {
\r
1338 trackIndex = iTrack;
\r
1344 // Store information in the output tree
\r
1345 AliESDtrack *recTrack = NULL;
\r
1346 if(trackIndex>-1) {
\r
1347 recTrack = esdEvent->GetTrack(trackIndex);
\r
1349 recTrack = new AliESDtrack();
\r
1352 particleMother = GetMother(particle,stack);
\r
1353 mech = particle->GetUniqueID();
\r
1355 //MC particle track length
\r
1356 Double_t tpcTrackLength = 0.;
\r
1357 AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(iMc);
\r
1360 tpcTrackLength = mcParticle->GetTPCTrackLength(bz,0.05,counter,3.0);
\r
1365 if(fTreeSRedirector) {
\r
1366 (*fTreeSRedirector)<<"MCEffTree"<<
\r
1367 "fileName.="<<&fileName<<
\r
1368 "triggerClass.="<<&triggerClass<<
\r
1369 "runNumber="<<runNumber<<
\r
1370 "evtTimeStamp="<<evtTimeStamp<<
\r
1371 "evtNumberInFile="<<evtNumberInFile<<
\r
1373 "vtxESD.="<<vtxESD<<
\r
1375 "esdTrack.="<<recTrack<<
\r
1377 "tpcTrackLength="<<tpcTrackLength<<
\r
1378 "particle.="<<particle<<
\r
1379 "particleMother.="<<particleMother<<
\r
1384 if(trackIndex <0 && recTrack) delete recTrack; recTrack=0;
\r
1391 //_____________________________________________________________________________
\r
1392 Bool_t AliAnalysisTaskFilteredTree::IsHighDeDxParticle(AliESDtrack * track) {
\r
1394 // check if particle is Z > 1
\r
1396 if (track->GetTPCNcls() < 60) return kFALSE;
\r
1397 Double_t mom = track->GetInnerParam()->GetP();
\r
1398 if (mom < 0.2) return kFALSE; // protection against unexpected behavior of Aleph parameterization
\r
1399 Float_t dca[2], bCov[3];
\r
1400 track->GetImpactParameters(dca,bCov);
\r
1403 Double_t triggerDeDx = 4*AliExternalTrackParam::BetheBlochAleph((mom*2)/(0.938*3),1.0288,31.9806,5.04114e-11,2.13096,2.38541);
\r
1405 if (track->GetTPCsignal() > triggerDeDx && track->GetTPCsignal()<1000 && TMath::Abs(dca[0])<3.) return kTRUE;
\r
1410 //_____________________________________________________________________________
\r
1411 void AliAnalysisTaskFilteredTree::ProcessV0(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1414 // Select real events with V0 (K0s and Lambda) high-pT candidates
\r
1417 AliDebug(AliLog::kError, "esdEvent not available");
\r
1421 // get selection cuts
\r
1422 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1423 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1424 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1426 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1427 AliDebug(AliLog::kError, "cuts not available");
\r
1431 // trigger selection
\r
1432 Bool_t isEventTriggered = kTRUE;
\r
1433 AliPhysicsSelection *physicsSelection = NULL;
\r
1434 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1437 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1438 if (!inputHandler)
\r
1440 Printf("ERROR: Could not receive input handler");
\r
1445 TTree *chain = (TChain*)GetInputData(0);
\r
1447 Printf("ERROR: Could not receive input chain");
\r
1450 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1453 if(evtCuts->IsTriggerRequired())
\r
1456 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1458 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1459 if(!physicsSelection) return;
\r
1460 //SetPhysicsTriggerSelection(physicsSelection);
\r
1462 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1463 // set trigger (V0AND)
\r
1464 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1465 if(!triggerAnalysis) return;
\r
1466 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1470 // centrality determination
\r
1471 Float_t centralityF = -1;
\r
1472 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
1473 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
1476 // get reconstructed vertex
\r
1477 //const AliESDVertex* vtxESD = 0;
\r
1478 AliESDVertex* vtxESD = 0;
\r
1479 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1480 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1482 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1483 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1489 if(!vtxESD) return;
\r
1491 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1492 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1493 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1495 // check event cuts
\r
1496 if(isEventOK && isEventTriggered) {
\r
1498 // Dump the pt downscaled V0 into the tree
\r
1500 Int_t ntracks = esdEvent->GetNumberOfTracks();
\r
1501 Int_t nV0s = esdEvent->GetNumberOfV0s();
\r
1502 Int_t run = esdEvent->GetRunNumber();
\r
1503 Int_t time= esdEvent->GetTimeStamp();
\r
1504 Int_t evNr=esdEvent->GetEventNumberInFile();
\r
1505 Double_t bz = esdEvent->GetMagneticField();
\r
1508 for (Int_t iv0=0; iv0<nV0s; iv0++){
\r
1509 AliESDv0 * v0 = esdEvent->GetV0(iv0);
\r
1510 if (!v0) continue;
\r
1511 AliESDtrack * track0 = esdEvent->GetTrack(v0->GetIndex(0));
\r
1512 AliESDtrack * track1 = esdEvent->GetTrack(v0->GetIndex(1));
\r
1513 if (!track0) continue;
\r
1514 if (!track1) continue;
\r
1515 if (track0->GetSign()<0) {
\r
1516 track1 = esdEvent->GetTrack(v0->GetIndex(0));
\r
1517 track0 = esdEvent->GetTrack(v0->GetIndex(1));
\r
1520 Bool_t isDownscaled = IsV0Downscaled(v0);
\r
1521 if (isDownscaled) continue;
\r
1522 AliKFParticle kfparticle; //
\r
1523 Int_t type=GetKFParticle(v0,esdEvent,kfparticle);
\r
1524 if (type==0) continue;
\r
1525 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1527 if(!fTreeSRedirector) return;
\r
1528 (*fTreeSRedirector)<<"V0s"<<
\r
1529 "isDownscaled="<<isDownscaled<<
\r
1530 "triggerClass="<<&triggerClass<< // trigger
\r
1532 "fileName.="<<&fileName<<
\r
1533 "runNumber="<<run<<
\r
1534 "evtTimeStamp="<<time<<
\r
1535 "evtNumberInFile="<<evNr<<
\r
1537 "ntracks="<<ntracks<<
\r
1539 "kf.="<<&kfparticle<<
\r
1540 "track0.="<<track0<<
\r
1541 "track1.="<<track1<<
\r
1542 "centralityF="<<centralityF<<
\r
1548 //_____________________________________________________________________________
\r
1549 void AliAnalysisTaskFilteredTree::ProcessdEdx(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1552 // Select real events with large TPC dEdx signal
\r
1555 AliDebug(AliLog::kError, "esdEvent not available");
\r
1559 // get selection cuts
\r
1560 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1561 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1562 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1564 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1565 AliDebug(AliLog::kError, "cuts not available");
\r
1570 TTree *chain = (TChain*)GetInputData(0);
\r
1572 Printf("ERROR: Could not receive input chain");
\r
1575 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1578 Bool_t isEventTriggered = kTRUE;
\r
1579 AliPhysicsSelection *physicsSelection = NULL;
\r
1580 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1583 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1584 if (!inputHandler)
\r
1586 Printf("ERROR: Could not receive input handler");
\r
1590 if(evtCuts->IsTriggerRequired())
\r
1593 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1595 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1596 if(!physicsSelection) return;
\r
1598 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1599 // set trigger (V0AND)
\r
1600 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1601 if(!triggerAnalysis) return;
\r
1602 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1606 // get reconstructed vertex
\r
1607 AliESDVertex* vtxESD = 0;
\r
1608 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1609 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1611 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1612 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1617 if(!vtxESD) return;
\r
1619 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1620 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1621 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1624 // check event cuts
\r
1625 if(isEventOK && isEventTriggered)
\r
1627 Double_t vert[3] = {0};
\r
1628 vert[0] = vtxESD->GetXv();
\r
1629 vert[1] = vtxESD->GetYv();
\r
1630 vert[2] = vtxESD->GetZv();
\r
1631 Int_t mult = vtxESD->GetNContributors();
\r
1632 Double_t bz = esdEvent->GetMagneticField();
\r
1633 Double_t runNumber = esdEvent->GetRunNumber();
\r
1634 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
1635 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
1638 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
1640 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
1641 if(!track) continue;
\r
1642 if(track->Charge()==0) continue;
\r
1643 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
1644 if(!accCuts->AcceptTrack(track)) continue;
\r
1646 if(!IsHighDeDxParticle(track)) continue;
\r
1647 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1649 if(!fTreeSRedirector) return;
\r
1650 (*fTreeSRedirector)<<"dEdx"<<
\r
1651 "fileName.="<<&fileName<<
\r
1652 "runNumber="<<runNumber<<
\r
1653 "evtTimeStamp="<<evtTimeStamp<<
\r
1654 "evtNumberInFile="<<evtNumberInFile<<
\r
1655 "triggerClass="<<&triggerClass<< // trigger
\r
1657 "vtxESD.="<<vtxESD<<
\r
1659 "esdTrack.="<<track<<
\r
1665 //_____________________________________________________________________________
\r
1666 Int_t AliAnalysisTaskFilteredTree::GetKFParticle(AliESDv0 *const v0, AliESDEvent * const event, AliKFParticle & kfparticle)
\r
1669 // Create KF particle in case the V0 fullfill selection criteria
\r
1671 // Selection criteria
\r
1672 // 0. algorithm cut
\r
1675 // 4. rough mass cut
\r
1676 // 5. Normalized pointing angle cut
\r
1678 const Double_t cutMass=0.2;
\r
1679 const Double_t kSigmaDCACut=3;
\r
1681 // 0.) algo cut - accept only on the fly
\r
1683 if (v0->GetOnFlyStatus() ==kFALSE) return 0;
\r
1687 AliESDtrack * track0 = event->GetTrack(v0->GetIndex(0));
\r
1688 AliESDtrack * track1 = event->GetTrack(v0->GetIndex(1));
\r
1690 TCut cutD="abs(track0.fD/sqrt(track0.fCdd))>2&&abs(track1.fD/sqrt(track1.fCdd))>2";
\r
1691 TCut cutTheta="abs(track0.fP[3])<1&&abs(track1.fP[3])<1";
\r
1692 TCut cutNcl="track0.GetTPCClusterInfo(2,1)>100&&track1.GetTPCClusterInfo(2,1)>100";
\r
1694 if (TMath::Abs(track0->GetTgl())>1) return 0;
\r
1695 if (TMath::Abs(track1->GetTgl())>1) return 0;
\r
1696 if ((track0->GetTPCClusterInfo(2,1))<100) return 0;
\r
1697 if ((track1->GetTPCClusterInfo(2,1))<100) return 0;
\r
1698 //if ((track0->GetITSclusters(0))<2) return 0;
\r
1699 //if ((track1->GetITSclusters(0))<2) return 0;
\r
1700 Float_t pos0[2]={0}, cov0[3]={0};
\r
1701 Float_t pos1[2]={0}, cov1[3]={0};
\r
1702 track0->GetImpactParameters(pos0,cov0);
\r
1703 track0->GetImpactParameters(pos1,cov1);
\r
1705 if (TMath::Abs(pos0[0])<kSigmaDCACut*TMath::Sqrt(cov0[0])) return 0;
\r
1706 if (TMath::Abs(pos1[0])<kSigmaDCACut*TMath::Sqrt(cov1[0])) return 0;
\r
1711 Double_t chi2KF = v0->GetKFInfo(2,2,2);
\r
1712 if (chi2KF>25) return 0;
\r
1714 // 4.) Rough mass cut - 0.200 GeV
\r
1716 static Double_t masses[2]={-1};
\r
1718 masses[0] = TDatabasePDG::Instance()->GetParticle("K_S0")->Mass();
\r
1719 masses[1] = TDatabasePDG::Instance()->GetParticle("Lambda0")->Mass();
\r
1721 Double_t mass00= v0->GetEffMass(0,0);
\r
1722 Double_t mass22= v0->GetEffMass(2,2);
\r
1723 Double_t mass42= v0->GetEffMass(4,2);
\r
1724 Double_t mass24= v0->GetEffMass(2,4);
\r
1725 Bool_t massOK=kFALSE;
\r
1730 if (TMath::Abs(mass00-0)<cutMass) {
\r
1731 massOK=kTRUE; type+=1;
\r
1732 if (TMath::Abs(mass00-0)<dmass) {
\r
1734 dmass=TMath::Abs(mass00-0);
\r
1738 if (TMath::Abs(mass24-masses[1])<cutMass) {
\r
1739 massOK=kTRUE; type+=2;
\r
1740 if (TMath::Abs(mass24-masses[1])<dmass){
\r
1741 dmass = TMath::Abs(mass24-masses[1]);
\r
1746 if (TMath::Abs(mass42-masses[1])<cutMass) {
\r
1747 massOK=kTRUE; type+=4;
\r
1748 if (TMath::Abs(mass42-masses[1])<dmass){
\r
1749 dmass = TMath::Abs(mass42-masses[1]);
\r
1754 if (TMath::Abs(mass22-masses[0])<cutMass) {
\r
1755 massOK=kTRUE; type+=8;
\r
1756 if (TMath::Abs(mass22-masses[0])<dmass){
\r
1757 dmass = TMath::Abs(mass22-masses[0]);
\r
1762 if (type==0) return 0;
\r
1764 const Int_t spdg[5]={kPositron,kMuonPlus,kPiPlus, kKPlus, kProton};
\r
1765 const AliExternalTrackParam *paramP = v0->GetParamP();
\r
1766 const AliExternalTrackParam *paramN = v0->GetParamN();
\r
1767 if (paramP->GetSign()<0){
\r
1768 paramP=v0->GetParamP();
\r
1769 paramN=v0->GetParamN();
\r
1771 //Double_t *pparam1 = (Double_t*)paramP->GetParameter();
\r
1772 //Double_t *pparam2 = (Double_t*)paramN->GetParameter();
\r
1774 AliKFParticle kfp1( *paramP, spdg[p1] );
\r
1775 AliKFParticle kfp2( *paramN, -1 *spdg[p2] );
\r
1776 AliKFParticle V0KF;
\r
1783 Double_t errPhi = V0KF.GetErrPhi();
\r
1784 Double_t pointAngle= TMath::ACos(v0->GetV0CosineOfPointingAngle());
\r
1785 if (pointAngle/errPhi>10) return 0;
\r
1790 //_____________________________________________________________________________
\r
1791 Bool_t AliAnalysisTaskFilteredTree::IsV0Downscaled(AliESDv0 *const v0)
\r
1794 // Downscale randomly low pt V0
\r
1797 Double_t maxPt= TMath::Max(v0->GetParamP()->Pt(), v0->GetParamN()->Pt());
\r
1798 Double_t scalempt= TMath::Min(maxPt,10.);
\r
1799 Double_t downscaleF = gRandom->Rndm();
\r
1800 downscaleF *= fLowPtV0DownscaligF;
\r
1802 //printf("V0 TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
1803 if (TMath::Exp(2*scalempt)<downscaleF) return kTRUE;
\r
1807 TH1F his1("his1","his1",100,0,10);
\r
1808 TH1F his2("his2","his2",100,0,10);
\r
1809 {for (Int_t i=0; i<10000; i++){
\r
1810 Double_t rnd=gRandom->Exp(1);
\r
1811 Bool_t isDownscaled =TMath::Exp(rnd)<100*gRandom->Rndm();
\r
1813 if (!isDownscaled) his2->Fill(rnd);
\r
1822 //_____________________________________________________________________________
\r
1823 Bool_t AliAnalysisTaskFilteredTree::ConstrainTPCInner(AliExternalTrackParam *const tpcInnerC, const AliESDVertex* vtx, Double_t b[3])
\r
1825 // Constrain TPC inner params constrained
\r
1827 if(!tpcInnerC) return kFALSE;
\r
1828 if(!vtx) return kFALSE;
\r
1830 Double_t dz[2],cov[3];
\r
1831 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
\r
1832 //if(!tpcInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
\r
1833 //if(!tpcInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
\r
1834 if(!tpcInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
\r
1837 Double_t covar[6]; vtx->GetCovMatrix(covar);
\r
1838 Double_t p[2]={tpcInnerC->GetParameter()[0]-dz[0],tpcInnerC->GetParameter()[1]-dz[1]};
\r
1839 Double_t c[3]={covar[2],0.,covar[5]};
\r
1840 Double_t chi2C=tpcInnerC->GetPredictedChi2(p,c);
\r
1841 if (chi2C>kVeryBig) return kFALSE;
\r
1843 if(!tpcInnerC->Update(p,c)) return kFALSE;
\r
1848 //_____________________________________________________________________________
\r
1849 Bool_t AliAnalysisTaskFilteredTree::ConstrainTrackInner(AliExternalTrackParam *const trackInnerC, const AliESDVertex* vtx, Double_t mass, Double_t b[3])
\r
1851 // Constrain TPC inner params constrained
\r
1853 if(!trackInnerC) return kFALSE;
\r
1854 if(!vtx) return kFALSE;
\r
1856 const Double_t kRadius = 2.8;
\r
1857 const Double_t kMaxStep = 1.0;
\r
1859 Double_t dz[2],cov[3];
\r
1861 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
\r
1862 //if(!trackInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
\r
1863 //if(!trackInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
\r
1865 if(!AliTracker::PropagateTrackToBxByBz(trackInnerC,kRadius,mass,kMaxStep,kFALSE)) return kFALSE;
\r
1866 if(!trackInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
\r
1869 Double_t covar[6]; vtx->GetCovMatrix(covar);
\r
1870 Double_t p[2]={trackInnerC->GetParameter()[0]-dz[0],trackInnerC->GetParameter()[1]-dz[1]};
\r
1871 Double_t c[3]={covar[2],0.,covar[5]};
\r
1872 Double_t chi2C=trackInnerC->GetPredictedChi2(p,c);
\r
1873 if (chi2C>kVeryBig) return kFALSE;
\r
1875 if(!trackInnerC->Update(p,c)) return kFALSE;
\r
1881 //_____________________________________________________________________________
\r
1882 TParticle *AliAnalysisTaskFilteredTree::GetMother(TParticle *const particle, AliStack *const stack)
\r
1884 if(!particle) return NULL;
\r
1885 if(!stack) return NULL;
\r
1887 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
1888 TParticle* mother = NULL;
\r
1889 mother = stack->Particle(motherLabel);
\r
1894 //_____________________________________________________________________________
\r
1895 Bool_t AliAnalysisTaskFilteredTree::IsFromConversion(const Int_t label, AliStack *const stack)
\r
1897 Bool_t isFromConversion = kFALSE;
\r
1900 TParticle* particle = stack->Particle(label);
\r
1902 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
1904 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
1905 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
1907 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
1908 TParticle* mother = stack->Particle(motherLabel);
\r
1910 Int_t motherPdg = mother->GetPdgCode();
\r
1912 if(!isPrim && mech==5 && motherPdg==kGamma) {
\r
1913 isFromConversion=kTRUE;
\r
1919 return isFromConversion;
\r
1922 //_____________________________________________________________________________
\r
1923 Bool_t AliAnalysisTaskFilteredTree::IsFromMaterial(const Int_t label, AliStack *const stack)
\r
1925 Bool_t isFromMaterial = kFALSE;
\r
1928 TParticle* particle = stack->Particle(label);
\r
1930 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
1932 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
1933 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
1935 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
1936 TParticle* mother = stack->Particle(motherLabel);
\r
1938 if(!isPrim && mech==13) {
\r
1939 isFromMaterial=kTRUE;
\r
1945 return isFromMaterial;
\r
1948 //_____________________________________________________________________________
\r
1949 Bool_t AliAnalysisTaskFilteredTree::IsFromStrangeness(const Int_t label, AliStack *const stack)
\r
1951 Bool_t isFromStrangeness = kFALSE;
\r
1954 TParticle* particle = stack->Particle(label);
\r
1956 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
1958 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
1959 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
1961 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
1962 TParticle* mother = stack->Particle(motherLabel);
\r
1964 Int_t motherPdg = mother->GetPdgCode();
\r
1966 // K+-, lambda, antilambda, K0s decays
\r
1967 if(!isPrim && mech==4 &&
\r
1968 (TMath::Abs(motherPdg)==kKPlus || TMath::Abs(motherPdg)==kLambda0 || motherPdg==kK0Short))
\r
1970 isFromStrangeness = kTRUE;
\r
1976 return isFromStrangeness;
\r
1980 //_____________________________________________________________________________
\r
1981 void AliAnalysisTaskFilteredTree::FinishTaskOutput()
\r
1984 // Called one at the end
\r
1985 // locally on working node
\r
1988 // must be deleted to store trees
\r
1989 if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector=0;
\r
1991 // open temporary file and copy trees to the ouptut container
\r
1993 TChain* chain = 0;
\r
1995 chain = new TChain("highPt");
\r
1997 chain->Add("jotwinow_Temp_Trees.root");
\r
1998 fHighPtTree = chain->CopyTree("1");
\r
1999 delete chain; chain=0;
\r
2001 if(fHighPtTree) fHighPtTree->Print();
\r
2004 chain = new TChain("V0s");
\r
2006 chain->Add("jotwinow_Temp_Trees.root");
\r
2007 fV0Tree = chain->CopyTree("1");
\r
2008 delete chain; chain=0;
\r
2010 if(fV0Tree) fV0Tree->Print();
\r
2013 chain = new TChain("dEdx");
\r
2015 chain->Add("jotwinow_Temp_Trees.root");
\r
2016 fdEdxTree = chain->CopyTree("1");
\r
2017 delete chain; chain=0;
\r
2019 if(fdEdxTree) fdEdxTree->Print();
\r
2022 chain = new TChain("Laser");
\r
2024 chain->Add("jotwinow_Temp_Trees.root");
\r
2025 fLaserTree = chain->CopyTree("1");
\r
2026 delete chain; chain=0;
\r
2028 if(fLaserTree) fLaserTree->Print();
\r
2031 chain = new TChain("MCEffTree");
\r
2033 chain->Add("jotwinow_Temp_Trees.root");
\r
2034 fMCEffTree = chain->CopyTree("1");
\r
2035 delete chain; chain=0;
\r
2037 if(fMCEffTree) fMCEffTree->Print();
\r
2040 chain = new TChain("CosmicPairs");
\r
2042 chain->Add("jotwinow_Temp_Trees.root");
\r
2043 fCosmicPairsTree = chain->CopyTree("1");
\r
2044 delete chain; chain=0;
\r
2046 if(fCosmicPairsTree) fCosmicPairsTree->Print();
\r
2051 // Post output data.
\r
2052 PostData(1, fHighPtTree);
\r
2053 PostData(2, fV0Tree);
\r
2054 PostData(3, fdEdxTree);
\r
2055 PostData(4, fLaserTree);
\r
2056 PostData(5, fMCEffTree);
\r
2057 PostData(6, fCosmicPairsTree);
\r
2060 //_____________________________________________________________________________
\r
2061 void AliAnalysisTaskFilteredTree::Terminate(Option_t *)
\r
2063 // Called one at the end
\r
2065 fOutputSummary = dynamic_cast<TTree*> (GetOutputData(1));
\r
2066 if(fOutputSummary) delete fOutputSummary; fOutputSummary=0;
\r
2067 TChain* chain = new TChain("highPt");
\r
2068 if(!chain) return;
\r
2069 chain->Add("jotwinow_HighPt_TrackAndV0_Trees.root");
\r
2070 TTree *tree = chain->CopyTree("1");
\r
2071 if (chain) { delete chain; chain=0; }
\r
2074 fOutputSummary = tree;
\r
2076 if (!fOutputSummary) {
\r
2077 Printf("ERROR: AliAnalysisTaskFilteredTree::Terminate(): Output data not avaiable %p \n", GetOutputData(1));
\r
2083 //_____________________________________________________________________________
\r
2084 Int_t AliAnalysisTaskFilteredTree::GetMCTrueTrackMult(AliMCEvent *const mcEvent, AliFilteredTreeEventCuts *const evtCuts, AliFilteredTreeAcceptanceCuts *const accCuts)
\r
2087 // calculate mc event true track multiplicity
\r
2089 if(!mcEvent) return 0;
\r
2091 AliStack* stack = 0;
\r
2094 // MC particle stack
\r
2095 stack = mcEvent->Stack();
\r
2096 if (!stack) return 0;
\r
2099 //printf("minZv %f, maxZv %f \n", evtCuts->GetMinZv(), evtCuts->GetMaxZv());
\r
2102 Bool_t isEventOK = evtCuts->AcceptMCEvent(mcEvent);
\r
2103 if(!isEventOK) return 0;
\r
2105 Int_t nPart = stack->GetNtrack();
\r
2106 for (Int_t iMc = 0; iMc < nPart; ++iMc)
\r
2108 TParticle* particle = stack->Particle(iMc);
\r
2112 // only charged particles
\r
2113 if(!particle->GetPDG()) continue;
\r
2114 Double_t charge = particle->GetPDG()->Charge()/3.;
\r
2115 if (TMath::Abs(charge) < 0.001)
\r
2118 // physical primary
\r
2119 Bool_t prim = stack->IsPhysicalPrimary(iMc);
\r
2120 if(!prim) continue;
\r
2122 // checked accepted without pt cut
\r
2123 //if(accCuts->AcceptTrack(particle))
\r
2124 if( particle->Eta() > accCuts->GetMinEta() && particle->Eta() < accCuts->GetMaxEta() )
\r