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"
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26 #include "TCanvas.h"
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28 #include "TObjArray.h"
\r
30 #include "TMatrixD.h"
\r
31 #include "TRandom3.h"
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33 #include "AliHeader.h"
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34 #include "AliGenEventHeader.h"
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35 #include "AliInputEventHandler.h"
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36 #include "AliStack.h"
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37 #include "AliTrackReference.h"
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39 #include "AliPhysicsSelection.h"
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40 #include "AliAnalysisTask.h"
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41 #include "AliAnalysisManager.h"
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42 #include "AliESDEvent.h"
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43 #include "AliESDfriend.h"
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44 #include "AliMCEvent.h"
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45 #include "AliESDInputHandler.h"
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46 #include "AliESDVertex.h"
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47 #include "AliTracker.h"
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48 #include "AliVTrack.h"
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49 #include "AliGeomManager.h"
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51 #include "AliCentrality.h"
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52 #include "AliESDVZERO.h"
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53 #include "AliMultiplicity.h"
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55 #include "AliESDtrackCuts.h"
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56 #include "AliMCEventHandler.h"
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57 #include "AliFilteredTreeEventCuts.h"
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58 #include "AliFilteredTreeAcceptanceCuts.h"
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60 #include "AliAnalysisTaskFilteredTree.h"
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61 #include "AliKFParticle.h"
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62 #include "AliESDv0.h"
\r
64 using namespace std;
\r
66 ClassImp(AliAnalysisTaskFilteredTree)
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68 //_____________________________________________________________________________
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69 AliAnalysisTaskFilteredTree::AliAnalysisTaskFilteredTree(const char *name)
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70 : AliAnalysisTaskSE(name)
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76 , fUseMCInfo(kFALSE)
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77 , fUseESDfriends(kFALSE)
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78 , fReducePileUp(kTRUE)
\r
80 , fFilteredTreeEventCuts(0)
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81 , fFilteredTreeAcceptanceCuts(0)
\r
82 , fFilteredTreeRecAcceptanceCuts(0)
\r
84 , fTrigger(AliTriggerAnalysis::kMB1)
\r
85 , fAnalysisMode(kTPCAnalysisMode)
\r
86 , fTreeSRedirector(0)
\r
87 , fCentralityEstimator(0)
\r
88 , fLowPtTrackDownscaligF(0)
\r
89 , fLowPtV0DownscaligF(0)
\r
90 , fProcessAll(kFALSE)
\r
91 , fProcessCosmics(kFALSE)
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97 , fCosmicPairsTree(0)
\r
99 , fPtResPhiPtTPCc(0)
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100 , fPtResPhiPtTPCITS(0)
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101 , fPtResEtaPtTPC(0)
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102 , fPtResEtaPtTPCc(0)
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103 , fPtResEtaPtTPCITS(0)
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104 , fPtResCentPtTPC(0)
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105 , fPtResCentPtTPCc(0)
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106 , fPtResCentPtTPCITS(0)
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110 // Define input and output slots here
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111 DefineOutput(1, TTree::Class());
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112 DefineOutput(2, TTree::Class());
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113 DefineOutput(3, TTree::Class());
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114 DefineOutput(4, TTree::Class());
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115 DefineOutput(5, TTree::Class());
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116 DefineOutput(6, TTree::Class());
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117 DefineOutput(7, TList::Class());
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120 //_____________________________________________________________________________
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121 AliAnalysisTaskFilteredTree::~AliAnalysisTaskFilteredTree()
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123 //the output trees not to be deleted in case of proof analysis
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124 //Bool_t deleteTrees=kTRUE;
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125 //if ((AliAnalysisManager::GetAnalysisManager()))
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127 // if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() ==
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128 // AliAnalysisManager::kProofAnalysis)
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129 // deleteTrees=kFALSE;
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131 //if (deleteTrees) delete fTreeSRedirector;
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133 delete fFilteredTreeEventCuts;
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134 delete fFilteredTreeAcceptanceCuts;
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135 delete fFilteredTreeRecAcceptanceCuts;
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136 delete fEsdTrackCuts;
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139 //____________________________________________________________________________
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140 Bool_t AliAnalysisTaskFilteredTree::Notify()
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142 static Int_t count = 0;
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144 TTree *chain = (TChain*)GetInputData(0);
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147 Printf("Processing %d. file: %s", count, chain->GetCurrentFile()->GetName());
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153 //_____________________________________________________________________________
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154 void AliAnalysisTaskFilteredTree::UserCreateOutputObjects()
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156 // Create histograms
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160 //get the output file to make sure the trees will be associated to it
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162 fTreeSRedirector = new TTreeSRedirector();
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166 fV0Tree = ((*fTreeSRedirector)<<"V0s").GetTree();
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167 fHighPtTree = ((*fTreeSRedirector)<<"highPt").GetTree();
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168 fdEdxTree = ((*fTreeSRedirector)<<"dEdx").GetTree();
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169 fLaserTree = ((*fTreeSRedirector)<<"Laser").GetTree();
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170 fMCEffTree = ((*fTreeSRedirector)<<"MCEffTree").GetTree();
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171 fCosmicPairsTree = ((*fTreeSRedirector)<<"CosmicPairs").GetTree();
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176 // histogram booking
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178 Double_t minPt = 0.1;
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179 Double_t maxPt = 100.;
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180 Int_t nbinsPt = 30;
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182 Double_t logminPt = TMath::Log10(minPt);
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183 Double_t logmaxPt = TMath::Log10(maxPt);
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184 Double_t binwidth = (logmaxPt-logminPt)/nbinsPt;
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185 Double_t *binsPt = new Double_t[nbinsPt+1];
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187 for (Int_t i=1;i<=nbinsPt;i++) {
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188 binsPt[i] = minPt + TMath::Power(10,logminPt+i*binwidth);
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191 // 1pT resol cov matrix bins
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192 Double_t min1PtRes = 0.;
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193 Double_t max1PtRes = 0.3;
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194 Int_t nbins1PtRes = 300;
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195 Double_t bins1PtRes[301];
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196 for (Int_t i=0;i<=nbins1PtRes;i++) {
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197 bins1PtRes[i] = min1PtRes + i*(max1PtRes-min1PtRes)/nbins1PtRes;
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201 Double_t minPhi = 0.;
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202 Double_t maxPhi = 6.5;
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203 Int_t nbinsPhi = 100;
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204 Double_t binsPhi[101];
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205 for (Int_t i=0;i<=nbinsPhi;i++) {
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206 binsPhi[i] = minPhi + i*(maxPhi-minPhi)/nbinsPhi;
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210 Double_t minEta = -1.;
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211 Double_t maxEta = 1.;
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212 Int_t nbinsEta = 20;
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213 Double_t binsEta[21];
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214 for (Int_t i=0;i<=nbinsEta;i++) {
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215 binsEta[i] = minEta + i*(maxEta-minEta)/nbinsEta;
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219 Double_t minCent = 0.;
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220 Double_t maxCent = 100;
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221 Int_t nbinsCent = 20;
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222 Double_t binsCent[101];
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223 for (Int_t i=0;i<=nbinsCent;i++) {
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224 binsCent[i] = minCent + i*(maxCent-minCent)/nbinsCent;
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227 fPtResPhiPtTPC = new TH3D("fPtResPhiPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes);
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228 fPtResPhiPtTPCc = new TH3D("fPtResPhiPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes);
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229 fPtResPhiPtTPCITS = new TH3D("fPtResPhiPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes);
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231 fPtResEtaPtTPC = new TH3D("fPtResEtaPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes);
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232 fPtResEtaPtTPCc = new TH3D("fPtResEtaPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes);
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233 fPtResEtaPtTPCITS = new TH3D("fPtResEtaPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes);
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235 fPtResCentPtTPC = new TH3D("fPtResCentPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes);
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236 fPtResCentPtTPCc = new TH3D("fPtResCentPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes);
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237 fPtResCentPtTPCITS = new TH3D("fPtResCentPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes);
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240 fOutput = new TList;
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241 fOutput->SetOwner();
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242 if(!fOutput) return;
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244 fOutput->Add(fPtResPhiPtTPC);
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245 fOutput->Add(fPtResPhiPtTPCc);
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246 fOutput->Add(fPtResPhiPtTPCITS);
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247 fOutput->Add(fPtResEtaPtTPC);
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248 fOutput->Add(fPtResEtaPtTPCc);
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249 fOutput->Add(fPtResEtaPtTPCITS);
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250 fOutput->Add(fPtResCentPtTPC);
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251 fOutput->Add(fPtResCentPtTPCc);
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252 fOutput->Add(fPtResCentPtTPCITS);
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254 // post data to outputs
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256 PostData(1,fV0Tree);
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257 PostData(2,fHighPtTree);
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258 PostData(3,fdEdxTree);
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259 PostData(4,fLaserTree);
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260 PostData(5,fMCEffTree);
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261 PostData(6,fCosmicPairsTree);
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263 PostData(7,fOutput);
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266 //_____________________________________________________________________________
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267 void AliAnalysisTaskFilteredTree::UserExec(Option_t *)
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270 // Called for each event
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274 fESD = (AliESDEvent*) (InputEvent());
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276 Printf("ERROR: ESD event not available");
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282 // fMC = MCEvent();
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284 // Printf("ERROR: MC event not available");
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289 //if MC info available - use it.
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292 if(fUseESDfriends) {
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293 fESDfriend = static_cast<AliESDfriend*>(fESD->FindListObject("AliESDfriend"));
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295 Printf("ERROR: ESD friends not available");
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301 ProcessAll(fESD,fMC,fESDfriend); // all track stages and MC
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304 Process(fESD,fMC,fESDfriend); // only global and TPC tracks
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308 ProcessV0(fESD,fMC,fESDfriend);
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309 ProcessLaser(fESD,fMC,fESDfriend);
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310 ProcessdEdx(fESD,fMC,fESDfriend);
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312 if (fProcessCosmics) { ProcessCosmics(fESD); }
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313 if(fMC) { ProcessMCEff(fESD,fMC,fESDfriend);}
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316 //_____________________________________________________________________________
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317 void AliAnalysisTaskFilteredTree::ProcessCosmics(AliESDEvent *const event)
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320 // Select real events with high-pT tracks
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323 AliDebug(AliLog::kError, "event not available");
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328 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
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331 Printf("ERROR: Could not receive input handler");
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336 TTree *chain = (TChain*)GetInputData(0);
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338 Printf("ERROR: Could not receive input chain");
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341 TObjString fileName(chain->GetCurrentFile()->GetName());
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344 // check for cosmic pairs
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346 // find cosmic pairs trigger by random trigger
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349 AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD();
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350 AliESDVertex *vertexTPC = (AliESDVertex *)event->GetPrimaryVertexTPC();
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351 const Double_t kMinPt=0.8;
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352 const Double_t kMinPtMax=0.8;
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353 const Double_t kMinNcl=50;
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354 const Double_t kMaxDelta[5]={2,600,0.02,0.02,0.1};
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355 Int_t ntracks=event->GetNumberOfTracks();
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356 // Float_t dcaTPC[2]={0,0};
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357 // Float_t covTPC[3]={0,0,0};
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359 UInt_t specie = event->GetEventSpecie(); // skip laser events
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360 if (specie==AliRecoParam::kCalib) return;
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364 for (Int_t itrack0=0;itrack0<ntracks;itrack0++) {
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365 AliESDtrack *track0 = event->GetTrack(itrack0);
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366 if (!track0) continue;
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367 if (!track0->IsOn(AliESDtrack::kTPCrefit)) continue;
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369 if (TMath::Abs(AliTracker::GetBz())>1 && track0->Pt() < kMinPt) continue;
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370 if (track0->Pt() < kMinPt) continue;
\r
371 if (track0->GetTPCncls() < kMinNcl) continue;
\r
372 if (TMath::Abs(track0->GetY())<kMaxDelta[0]) continue;
\r
373 if (track0->GetKinkIndex(0)>0) continue;
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374 const Double_t * par0=track0->GetParameter(); //track param at rhe DCA
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377 //track0->GetImpactParametersTPC(dcaTPC,covTPC);
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378 //if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
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379 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
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380 // const AliExternalTrackParam * trackIn0 = track0->GetInnerParam();
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381 for (Int_t itrack1=itrack0+1;itrack1<ntracks;itrack1++) {
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382 AliESDtrack *track1 = event->GetTrack(itrack1);
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383 if (!track1) continue;
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384 if (!track1->IsOn(AliESDtrack::kTPCrefit)) continue;
\r
385 if (track1->GetKinkIndex(0)>0) continue;
\r
386 if ((TMath::Abs(AliTracker::GetBz())>1) && (track1->Pt() < kMinPt)) continue;
\r
387 if (track1->Pt() < kMinPt) continue;
\r
388 if (track1->GetTPCncls()<kMinNcl) continue;
\r
389 if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Max(track1->Pt(), track0->Pt())<kMinPtMax) continue;
\r
390 if (TMath::Abs(track1->GetY())<kMaxDelta[0]) continue;
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391 //track1->GetImpactParametersTPC(dcaTPC,covTPC);
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392 // if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
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393 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
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395 const Double_t* par1=track1->GetParameter(); //track param at rhe DCA
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397 Bool_t isPair=kTRUE;
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398 for (Int_t ipar=0; ipar<5; ipar++){
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399 if (ipar==4&&TMath::Abs(AliTracker::GetBz())<1) continue; // 1/pt not defined for B field off
\r
400 if (TMath::Abs(TMath::Abs(par0[ipar])-TMath::Abs(par1[ipar]))>kMaxDelta[ipar]) isPair=kFALSE;
\r
402 if (!isPair) continue;
\r
403 if (TMath::Abs(TMath::Abs(track0->GetAlpha()-track1->GetAlpha())-TMath::Pi())>kMaxDelta[2]) isPair=kFALSE;
\r
404 //delta with correct sign
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406 TCut cut0="abs(t1.fP[0]+t0.fP[0])<2"
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407 TCut cut3="abs(t1.fP[3]+t0.fP[3])<0.02"
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408 TCut cut4="abs(t1.fP[4]+t0.fP[4])<0.2"
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410 if (TMath::Abs(par0[0]+par1[0])>kMaxDelta[0]) isPair=kFALSE; //delta y opposite sign
\r
411 if (TMath::Abs(par0[3]+par1[3])>kMaxDelta[3]) isPair=kFALSE; //delta tgl opposite sign
\r
412 if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Abs(par0[4]+par1[4])>kMaxDelta[4]) isPair=kFALSE; //delta 1/pt opposite sign
\r
413 if (!isPair) continue;
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414 TString filename(AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile()->GetName());
\r
415 Int_t eventNumber = event->GetEventNumberInFile();
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416 //Bool_t hasFriend = kFALSE;
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417 //Bool_t hasITS=(track0->GetNcls(0)+track1->GetNcls(0)>4);
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418 //printf("DUMPHPTCosmic:%s|%f|%d|%d|%d\n",filename.Data(),(TMath::Min(track0->Pt(),track1->Pt())), eventNumber,hasFriend,hasITS);
\r
419 // const AliExternalTrackParam * trackIn1 = track1->GetInnerParam();
\r
422 Int_t ntracksSPD = vertexSPD->GetNContributors();
\r
423 Int_t ntracksTPC = vertexTPC->GetNContributors();
\r
424 Int_t runNumber = event->GetRunNumber();
\r
425 Int_t timeStamp = event->GetTimeStamp();
\r
426 ULong64_t triggerMask = event->GetTriggerMask();
\r
427 Float_t magField = event->GetMagneticField();
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428 TObjString triggerClass = event->GetFiredTriggerClasses().Data();
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431 // Dump to the tree
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436 //fCosmicPairsTree->Branch("fileName",&fileName,32000,0);
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437 //fCosmicPairsTree->Branch("runNumber",&runNumber,"runNumber/I");
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438 //fCosmicPairsTree->Branch("timeStamp",&timeStamp,"timeStamp/I");
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439 //fCosmicPairsTree->Branch("eventNumber",&eventNumber,"eventNumber/I");
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440 //fCosmicPairsTree->Branch("triggerMask",&triggerMask,32000,0);
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441 //fCosmicPairsTree->Branch("triggerClass",&triggerClass,32000,0);
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442 //fCosmicPairsTree->Branch("magField",&magField,"magField/F");
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443 //fCosmicPairsTree->Branch("ntracksSPD",&ntracksSPD,"ntracksSPD/I");
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444 //fCosmicPairsTree->Branch("ntracksTPC",&ntracksTPC,"ntracksTPC/I");
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445 //fCosmicPairsTree->Branch("vertexSPD",vertexSPD,32000,0);
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446 //fCosmicPairsTree->Branch("vertexTPC",vertexTPC,32000,0);
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447 //fCosmicPairsTree->Branch("track0",track0,32000,0);
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448 //fCosmicPairsTree->Branch("track1",track1,32000,0);
\r
450 //fCosmicPairsTree->Fill();
\r
452 if(!fFillTree) return;
\r
453 if(!fTreeSRedirector) return;
\r
454 (*fTreeSRedirector)<<"CosmicPairs"<<
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455 "fileName.="<<&fileName<< // file name
\r
456 "runNumber="<<runNumber<< // run number
\r
457 "evtTimeStamp="<<timeStamp<< // time stamp of event
\r
458 "evtNumberInFile="<<eventNumber<< // event number
\r
459 "trigger="<<triggerMask<< // trigger
\r
460 "triggerClass="<<&triggerClass<< // trigger
\r
461 "Bz="<<magField<< // magnetic field
\r
463 "multSPD="<<ntracksSPD<<
\r
464 "multTPC="<<ntracksTPC<<
\r
465 "vertSPD.="<<vertexSPD<< //primary vertex -SPD
\r
466 "vertTPC.="<<vertexTPC<< //primary vertex -TPC
\r
467 "t0.="<<track0<< //track0
\r
468 "t1.="<<track1<< //track1
\r
475 //_____________________________________________________________________________
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476 void AliAnalysisTaskFilteredTree::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
479 // Select real events with high-pT tracks
\r
482 AliDebug(AliLog::kError, "esdEvent not available");
\r
486 // get selection cuts
\r
487 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
488 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
489 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
491 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
492 Printf("ERROR cuts not available");
\r
496 // trigger selection
\r
497 Bool_t isEventTriggered = kTRUE;
\r
498 AliPhysicsSelection *physicsSelection = NULL;
\r
499 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
502 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
505 Printf("ERROR: Could not receive input handler");
\r
510 TTree *chain = (TChain*)GetInputData(0);
\r
512 Printf("ERROR: Could not receive input chain");
\r
515 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
518 if(evtCuts->IsTriggerRequired())
\r
521 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
523 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
524 if(!physicsSelection) return;
\r
525 //SetPhysicsTriggerSelection(physicsSelection);
\r
527 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
528 // set trigger (V0AND)
\r
529 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
530 if(!triggerAnalysis) return;
\r
531 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
535 // centrality determination
\r
536 Float_t centralityF = -1;
\r
537 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
538 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
540 // use MC information
\r
541 AliHeader* header = 0;
\r
542 AliGenEventHeader* genHeader = 0;
\r
543 AliStack* stack = 0;
\r
546 Int_t multMCTrueTracks = 0;
\r
549 // get MC event header
\r
550 header = mcEvent->Header();
\r
552 AliDebug(AliLog::kError, "Header not available");
\r
555 // MC particle stack
\r
556 stack = mcEvent->Stack();
\r
558 AliDebug(AliLog::kError, "Stack not available");
\r
563 genHeader = header->GenEventHeader();
\r
565 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
568 genHeader->PrimaryVertex(vtxMC);
\r
570 // multipliticy of all MC primary tracks
\r
571 // in Zv, pt and eta ranges)
\r
572 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
575 // get reconstructed vertex
\r
576 //const AliESDVertex* vtxESD = 0;
\r
577 AliESDVertex* vtxESD = 0;
\r
578 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
579 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
581 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
582 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
588 if(!vtxESD) return;
\r
590 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
591 //printf("isEventOK %d, isEventTriggered %d, status %d, vz %f \n",isEventOK, isEventTriggered, vtxESD->GetStatus(), vtxESD->GetZv());
\r
592 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
593 Int_t ntracks = esdEvent->GetNumberOfTracks();
\r
595 // check event cuts
\r
596 if(isEventOK && isEventTriggered)
\r
600 // get IR information
\r
602 AliESDHeader *esdHeader = 0;
\r
603 esdHeader = esdEvent->GetHeader();
\r
604 if(!esdHeader) return;
\r
605 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
\r
606 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
\r
608 // Use when Peter commit the changes in the header
\r
613 Double_t vert[3] = {0};
\r
614 vert[0] = vtxESD->GetXv();
\r
615 vert[1] = vtxESD->GetYv();
\r
616 vert[2] = vtxESD->GetZv();
\r
617 Int_t mult = vtxESD->GetNContributors();
\r
618 Float_t bz = esdEvent->GetMagneticField();
\r
619 Int_t runNumber = esdEvent->GetRunNumber();
\r
620 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
621 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
624 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
626 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
627 if(!track) continue;
\r
628 if(track->Charge()==0) continue;
\r
629 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
630 if(!accCuts->AcceptTrack(track)) continue;
\r
632 // downscale low-pT tracks
\r
633 Double_t scalempt= TMath::Min(track->Pt(),10.);
\r
634 Double_t downscaleF = gRandom->Rndm();
\r
635 downscaleF *= fLowPtTrackDownscaligF;
\r
636 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
637 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
639 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
\r
640 if (!tpcInner) continue;
\r
641 // transform to the track reference frame
\r
642 Bool_t isOK = kFALSE;
\r
643 isOK = tpcInner->Rotate(track->GetAlpha());
\r
644 isOK = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
645 if(!isOK) continue;
\r
647 // Dump to the tree
\r
651 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
653 //fHighPtTree->Branch("fileName",&fileName,32000,0);
\r
654 //fHighPtTree->Branch("runNumber",&runNumber,"runNumber/I");
\r
655 //fHighPtTree->Branch("evtTimeStamp",&evtTimeStamp,"evtTimeStamp/I");
\r
656 //fHighPtTree->Branch("evtNumberInFile",&evtNumberInFile,"evtNumberInFile/I");
\r
657 //fHighPtTree->Branch("triggerClass",&triggerClass,32000,0);
\r
658 //fHighPtTree->Branch("Bz",&bz,"Bz/F");
\r
659 //fHighPtTree->Branch("vtxESD",vtxESD,32000,0);
\r
660 //fHighPtTree->Branch("IRtot",&ir1,"IRtot/I");
\r
661 //fHighPtTree->Branch("IRint2",&ir2,"IRint2/I");
\r
662 //fHighPtTree->Branch("mult",&mult,"mult/I");
\r
663 //fHighPtTree->Branch("esdTrack",track,32000,0);
\r
664 //fHighPtTree->Branch("centralityF",¢ralityF,"centralityF/F");
\r
666 //fHighPtTree->Fill();
\r
668 //Double_t vtxX=vtxESD->GetX();
\r
669 //Double_t vtxY=vtxESD->GetY();
\r
670 //Double_t vtxZ=vtxESD->GetZ();
\r
671 if(!fFillTree) return;
\r
672 if(!fTreeSRedirector) return;
\r
673 (*fTreeSRedirector)<<"highPt"<<
\r
674 "fileName.="<<&fileName<<
\r
675 "runNumber="<<runNumber<<
\r
676 "evtTimeStamp="<<evtTimeStamp<<
\r
677 "evtNumberInFile="<<evtNumberInFile<<
\r
678 "triggerClass="<<&triggerClass<< // trigger
\r
679 "Bz="<<bz<< // magnetic field
\r
680 "vtxESD.="<<vtxESD<<
\r
681 "ntracksESD="<<ntracks<< // number of tracks in the ESD
\r
682 // "vtxESDx="<<vtxX<<
\r
683 // "vtxESDy="<<vtxY<<
\r
684 // "vtxESDz="<<vtxZ<<
\r
685 "IRtot="<<ir1<< // interaction record history info
\r
687 "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex
\r
688 "esdTrack.="<<track<<
\r
689 "centralityF="<<centralityF<<
\r
697 //_____________________________________________________________________________
\r
698 void AliAnalysisTaskFilteredTree::ProcessLaser(AliESDEvent *const esdEvent, AliMCEvent * const /*mcEvent*/, AliESDfriend *const /*esdFriend*/)
\r
701 // Process laser events
\r
704 AliDebug(AliLog::kError, "esdEvent not available");
\r
709 TTree *chain = (TChain*)GetInputData(0);
\r
711 Printf("ERROR: Could not receive input chain");
\r
714 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
717 const AliESDHeader* esdHeader = esdEvent->GetHeader();
\r
718 if(esdHeader && esdHeader->GetEventSpecie()==AliRecoParam::kCalib)
\r
720 Int_t countLaserTracks = 0;
\r
721 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
723 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
724 if(!track) continue;
\r
726 if(track->GetTPCInnerParam()) countLaserTracks++;
\r
729 if(countLaserTracks > 100)
\r
731 Int_t runNumber = esdEvent->GetRunNumber();
\r
732 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
733 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
734 Float_t bz = esdEvent->GetMagneticField();
\r
735 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
737 //fLaserTree->Branch("fileName",&fileName,32000,0);
\r
738 //fLaserTree->Branch("runNumber",&runNumber,"runNumber/I");
\r
739 //fLaserTree->Branch("evtTimeStamp",&evtTimeStamp,"evtTimeStamp/I");
\r
740 //fLaserTree->Branch("evtNumberInFile",&evtNumberInFile,"evtNumberInFile/I");
\r
741 //fLaserTree->Branch("triggerClass",&triggerClass,32000,0);
\r
742 //fLaserTree->Branch("Bz",&bz,"Bz/F");
\r
743 //fLaserTree->Branch("multTPCtracks",&countLaserTracks,"multTPCtracks/I");
\r
745 //fLaserTree->Fill();
\r
747 if(!fFillTree) return;
\r
748 if(!fTreeSRedirector) return;
\r
749 (*fTreeSRedirector)<<"Laser"<<
\r
750 "fileName.="<<&fileName<<
\r
751 "runNumber="<<runNumber<<
\r
752 "evtTimeStamp="<<evtTimeStamp<<
\r
753 "evtNumberInFile="<<evtNumberInFile<<
\r
754 "triggerClass="<<&triggerClass<< // trigger
\r
756 "multTPCtracks="<<countLaserTracks<<
\r
762 //_____________________________________________________________________________
\r
763 void AliAnalysisTaskFilteredTree::ProcessAll(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend)
\r
766 // Select real events with high-pT tracks
\r
767 // Calculate and stor in the output tree:
\r
768 // TPC constrained tracks
\r
769 // InnerParams constrained tracks
\r
771 // ITSout-InnerParams tracks
\r
772 // chi2 distance between TPC constrained and TPC-ITS tracks
\r
773 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
\r
774 // chi2 distance between ITSout and InnerParams tracks
\r
775 // MC information:
\r
776 // track references at ITSin, TPCin; InnerParam at first TPC track reference,
\r
777 // particle ID, mother ID, production mechanism ...
\r
781 AliDebug(AliLog::kError, "esdEvent not available");
\r
785 // get selection cuts
\r
786 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
787 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
788 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
790 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
791 AliDebug(AliLog::kError, "cuts not available");
\r
795 // trigger selection
\r
796 Bool_t isEventTriggered = kTRUE;
\r
797 AliPhysicsSelection *physicsSelection = NULL;
\r
798 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
801 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
804 Printf("ERROR: Could not receive input handler");
\r
809 TTree *chain = (TChain*)GetInputData(0);
\r
811 Printf("ERROR: Could not receive input chain");
\r
814 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
817 if(evtCuts->IsTriggerRequired())
\r
820 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
822 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
823 if(!physicsSelection) {AliInfo("no physics selection"); return;}
\r
824 //SetPhysicsTriggerSelection(physicsSelection);
\r
826 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
827 // set trigger (V0AND)
\r
828 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
829 if(!triggerAnalysis) {AliInfo("no trigger analysis");return;}
\r
830 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
834 // centrality determination
\r
835 Float_t centralityF = -1;
\r
836 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
837 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
839 // use MC information
\r
840 AliHeader* header = 0;
\r
841 AliGenEventHeader* genHeader = 0;
\r
842 AliStack* stack = 0;
\r
845 Int_t multMCTrueTracks = 0;
\r
848 // get MC event header
\r
849 header = mcEvent->Header();
\r
851 AliDebug(AliLog::kError, "Header not available");
\r
854 // MC particle stack
\r
855 stack = mcEvent->Stack();
\r
857 AliDebug(AliLog::kError, "Stack not available");
\r
862 genHeader = header->GenEventHeader();
\r
864 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
867 genHeader->PrimaryVertex(vtxMC);
\r
869 // multipliticy of all MC primary tracks
\r
870 // in Zv, pt and eta ranges)
\r
871 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
875 // get reconstructed vertex
\r
876 //const AliESDVertex* vtxESD = 0;
\r
877 AliESDVertex* vtxESD = 0;
\r
878 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
879 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
881 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
882 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
885 AliInfo("no ESD vertex");
\r
889 if(!vtxESD) return;
\r
891 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
892 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
893 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
896 // check event cuts
\r
897 if(isEventOK && isEventTriggered)
\r
900 // get IR information
\r
902 AliESDHeader *esdHeader = 0;
\r
903 esdHeader = esdEvent->GetHeader();
\r
904 if(!esdHeader) {AliInfo("no esdHeader");return;}
\r
905 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
\r
906 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
\r
912 Double_t vert[3] = {0};
\r
913 vert[0] = vtxESD->GetXv();
\r
914 vert[1] = vtxESD->GetYv();
\r
915 vert[2] = vtxESD->GetZv();
\r
916 Int_t mult = vtxESD->GetNContributors();
\r
917 Float_t bz = esdEvent->GetMagneticField();
\r
918 Int_t runNumber = esdEvent->GetRunNumber();
\r
919 Int_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
920 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
923 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
925 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
926 if(!track) continue;
\r
927 if(track->Charge()==0) continue;
\r
928 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
929 if(!accCuts->AcceptTrack(track)) continue;
\r
931 // downscale low-pT tracks
\r
932 Double_t scalempt= TMath::Min(track->Pt(),10.);
\r
933 Double_t downscaleF = gRandom->Rndm();
\r
934 downscaleF *= fLowPtTrackDownscaligF;
\r
935 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
936 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
938 // Dump to the tree
\r
940 // TPC constrained tracks
\r
941 // InnerParams constrained tracks
\r
943 // ITSout-InnerParams tracks
\r
944 // chi2 distance between TPC constrained and TPC-ITS tracks
\r
945 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
\r
946 // chi2 distance between ITSout and InnerParams tracks
\r
949 Double_t x[3]; track->GetXYZ(x);
\r
950 Double_t b[3]; AliTracker::GetBxByBz(x,b);
\r
953 // Transform TPC inner params to track reference frame
\r
955 Bool_t isOKtpcInner = kFALSE;
\r
956 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
\r
958 // transform to the track reference frame
\r
959 isOKtpcInner = tpcInner->Rotate(track->GetAlpha());
\r
960 isOKtpcInner = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
964 // Constrain TPC inner to vertex
\r
965 // clone TPCinner has to be deleted
\r
967 Bool_t isOKtpcInnerC = kFALSE;
\r
968 AliExternalTrackParam * tpcInnerC = new AliExternalTrackParam(*(track->GetTPCInnerParam()));
\r
970 isOKtpcInnerC = ConstrainTPCInner(tpcInnerC,vtxESD,b);
\r
971 isOKtpcInnerC = tpcInnerC->Rotate(track->GetAlpha());
\r
972 isOKtpcInnerC = tpcInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
976 // Constrain TPC refitted tracks at inner TPC wall (InnerParams) to vertex
\r
977 // Clone track InnerParams has to be deleted
\r
979 Bool_t isOKtrackInnerC = kFALSE;
\r
980 AliExternalTrackParam * trackInnerC = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
982 isOKtrackInnerC = ConstrainTrackInner(trackInnerC,vtxESD,track->GetMass(),b);
\r
983 isOKtrackInnerC = trackInnerC->Rotate(track->GetAlpha());
\r
984 isOKtrackInnerC = trackInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
988 // calculate chi2 between vi and vj vectors
\r
989 // with covi and covj covariance matrices
\r
990 // chi2ij = (vi-vj)^(T)*(covi+covj)^(-1)*(vi-vj)
\r
992 TMatrixD deltaT(5,1), deltaTtrackC(5,1);
\r
993 TMatrixD delta(1,5), deltatrackC(1,5);
\r
994 TMatrixD covarM(5,5), covarMtrackC(5,5);
\r
995 TMatrixD chi2(1,1);
\r
996 TMatrixD chi2trackC(1,1);
\r
998 if(isOKtpcInnerC && isOKtrackInnerC)
\r
1000 for (Int_t ipar=0; ipar<5; ipar++) {
\r
1001 deltaT(ipar,0)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
1002 delta(0,ipar)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
1004 deltaTtrackC(ipar,0)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
1005 deltatrackC(0,ipar)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
1007 for (Int_t jpar=0; jpar<5; jpar++) {
\r
1008 Int_t index=track->GetIndex(ipar,jpar);
\r
1009 covarM(ipar,jpar)=track->GetCovariance()[index]+tpcInnerC->GetCovariance()[index];
\r
1010 covarMtrackC(ipar,jpar)=track->GetCovariance()[index]+trackInnerC->GetCovariance()[index];
\r
1014 // chi2 distance TPC constrained and TPC+ITS
\r
1015 TMatrixD covarMInv = covarM.Invert();
\r
1016 TMatrixD mat2 = covarMInv*deltaT;
\r
1017 chi2 = delta*mat2;
\r
1020 // chi2 distance TPC refitted constrained and TPC+ITS
\r
1021 TMatrixD covarMInvtrackC = covarMtrackC.Invert();
\r
1022 TMatrixD mat2trackC = covarMInvtrackC*deltaTtrackC;
\r
1023 chi2trackC = deltatrackC*mat2trackC;
\r
1024 //chi2trackC.Print();
\r
1029 // Propagate ITSout to TPC inner wall
\r
1030 // and calculate chi2 distance to track (InnerParams)
\r
1032 const Double_t kTPCRadius=85;
\r
1033 const Double_t kStep=3;
\r
1035 // clone track InnerParams has to be deleted
\r
1036 Bool_t isOKtrackInnerC2 = kFALSE;
\r
1037 AliExternalTrackParam *trackInnerC2 = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
1038 if (trackInnerC2) {
\r
1039 isOKtrackInnerC2 = AliTracker::PropagateTrackToBxByBz(trackInnerC2,kTPCRadius,track->GetMass(),kStep,kFALSE);
\r
1042 Bool_t isOKouterITSc = kFALSE;
\r
1043 AliExternalTrackParam *outerITSc = NULL;
\r
1044 TMatrixD chi2OuterITS(1,1);
\r
1046 if(esdFriend && esdFriend->TestSkipBit()==kFALSE)
\r
1048 // propagate ITSout to TPC inner wall
\r
1049 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(iTrack);
\r
1053 outerITSc = new AliExternalTrackParam(*friendTrack->GetITSOut());
\r
1056 isOKouterITSc = AliTracker::PropagateTrackToBxByBz(outerITSc,kTPCRadius,track->GetMass(),kStep,kFALSE);
\r
1057 isOKouterITSc = outerITSc->Rotate(trackInnerC2->GetAlpha());
\r
1058 isOKouterITSc = outerITSc->PropagateTo(trackInnerC2->GetX(),esdEvent->GetMagneticField());
\r
1061 // calculate chi2 between outerITS and innerParams
\r
1062 // cov without z-coordinate at the moment
\r
1064 TMatrixD deltaTouterITS(4,1);
\r
1065 TMatrixD deltaouterITS(1,4);
\r
1066 TMatrixD covarMouterITS(4,4);
\r
1068 if(isOKtrackInnerC2 && isOKouterITSc) {
\r
1071 for (Int_t ipar=0; ipar<5; ipar++) {
\r
1073 deltaTouterITS(kipar,0)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
\r
1074 deltaouterITS(0,kipar)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
\r
1078 for (Int_t jpar=0; jpar<5; jpar++) {
\r
1079 Int_t index=outerITSc->GetIndex(ipar,jpar);
\r
1080 if(ipar !=1 || jpar!=1) {
\r
1081 covarMouterITS(kipar,kjpar)=outerITSc->GetCovariance()[index]+trackInnerC2->GetCovariance()[index];
\r
1083 if(jpar!=1) kjpar++;
\r
1085 if(ipar!=1) kipar++;
\r
1088 // chi2 distance ITSout and InnerParams
\r
1089 TMatrixD covarMInvouterITS = covarMouterITS.Invert();
\r
1090 TMatrixD mat2outerITS = covarMInvouterITS*deltaTouterITS;
\r
1091 chi2OuterITS = deltaouterITS*mat2outerITS;
\r
1092 //chi2OuterITS.Print();
\r
1101 TParticle *particle=NULL, *particleTPC=NULL, *particleITS=NULL;
\r
1102 TParticle *particleMother=NULL, *particleMotherTPC=NULL, *particleMotherITS=NULL;
\r
1103 Int_t mech=-1, mechTPC=-1, mechITS=-1;
\r
1104 Bool_t isPrim=kFALSE, isPrimTPC=kFALSE, isPrimITS=kFALSE;
\r
1105 Bool_t isFromStrangess=kFALSE, isFromStrangessTPC=kFALSE, isFromStrangessITS=kFALSE;
\r
1106 Bool_t isFromConversion=kFALSE, isFromConversionTPC=kFALSE, isFromConversionITS=kFALSE;
\r
1107 Bool_t isFromMaterial=kFALSE, isFromMaterialTPC=kFALSE, isFromMaterialITS=kFALSE;
\r
1109 AliTrackReference *refTPCIn = NULL;
\r
1110 AliTrackReference *refTPCOut = NULL;
\r
1111 AliTrackReference *refITS = NULL;
\r
1112 AliTrackReference *refTRD = NULL;
\r
1113 AliTrackReference *refTOF = NULL;
\r
1114 AliTrackReference *refEMCAL = NULL;
\r
1115 AliTrackReference *refPHOS = NULL;
\r
1116 Int_t nrefTPC=0, nrefTRD=0, nrefTOF=0, nrefITS=0, nrefEMCAL=0, nrefPHOS=0;
\r
1118 Bool_t isOKtrackInnerC3 = kFALSE;
\r
1119 AliExternalTrackParam *trackInnerC3 = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
1123 if(!stack) return;
\r
1128 Int_t label = TMath::Abs(track->GetLabel());
\r
1129 particle = stack->Particle(label);
\r
1130 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0.)
\r
1132 particleMother = GetMother(particle,stack);
\r
1133 mech = particle->GetUniqueID();
\r
1134 isPrim = stack->IsPhysicalPrimary(label);
\r
1135 isFromStrangess = IsFromStrangeness(label,stack);
\r
1136 isFromConversion = IsFromConversion(label,stack);
\r
1137 isFromMaterial = IsFromMaterial(label,stack);
\r
1143 Int_t labelTPC = TMath::Abs(track->GetTPCLabel());
\r
1144 particleTPC = stack->Particle(labelTPC);
\r
1145 if(particleTPC && particleTPC->GetPDG() && particleTPC->GetPDG()->Charge()!=0.)
\r
1147 particleMotherTPC = GetMother(particleTPC,stack);
\r
1148 mechTPC = particleTPC->GetUniqueID();
\r
1149 isPrimTPC = stack->IsPhysicalPrimary(labelTPC);
\r
1150 isFromStrangessTPC = IsFromStrangeness(labelTPC,stack);
\r
1151 isFromConversionTPC = IsFromConversion(labelTPC,stack);
\r
1152 isFromMaterialTPC = IsFromMaterial(labelTPC,stack);
\r
1156 // store first track reference
\r
1159 TParticle *part=0;
\r
1160 TClonesArray *trefs=0;
\r
1161 Int_t status = mcEvent->GetParticleAndTR(TMath::Abs(track->GetTPCLabel()), part, trefs);
\r
1163 if(status>0 && part && trefs && part->GetPDG() && part->GetPDG()->Charge()!=0.)
\r
1165 Int_t nTrackRef = trefs->GetEntries();
\r
1166 //printf("nTrackRef %d \n",nTrackRef);
\r
1168 Int_t countITS = 0;
\r
1169 for (Int_t iref = 0; iref < nTrackRef; iref++)
\r
1171 AliTrackReference *ref = (AliTrackReference *)trefs->At(iref);
\r
1173 // Ref. in the middle ITS
\r
1174 if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kITS)
\r
1177 if(!refITS && countITS==2) {
\r
1179 //printf("refITS %p \n",refITS);
\r
1185 if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTPC)
\r
1191 //printf("refTPCIn %p \n",refTPCIn);
\r
1196 if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTRD)
\r
1204 if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTOF)
\r
1212 if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kEMCAL)
\r
1220 // if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kPHOS)
\r
1229 // transform inner params to TrackRef
\r
1230 // reference frame
\r
1231 if(refTPCIn && trackInnerC3)
\r
1233 Double_t kRefPhi = TMath::ATan2(refTPCIn->Y(),refTPCIn->X());
\r
1234 isOKtrackInnerC3 = trackInnerC3->Rotate(kRefPhi);
\r
1235 isOKtrackInnerC3 = AliTracker::PropagateTrackToBxByBz(trackInnerC3,refTPCIn->R(),track->GetMass(),kStep,kFALSE);
\r
1242 Int_t labelITS = TMath::Abs(track->GetITSLabel());
\r
1243 particleITS = stack->Particle(labelITS);
\r
1244 if(particleITS && particleITS->GetPDG() && particleITS->GetPDG()->Charge()!=0.)
\r
1246 particleMotherITS = GetMother(particleITS,stack);
\r
1247 mechITS = particleITS->GetUniqueID();
\r
1248 isPrimITS = stack->IsPhysicalPrimary(labelITS);
\r
1249 isFromStrangessITS = IsFromStrangeness(labelITS,stack);
\r
1250 isFromConversionITS = IsFromConversion(labelITS,stack);
\r
1251 isFromMaterialITS = IsFromMaterial(labelITS,stack);
\r
1256 Bool_t dumpToTree=kFALSE;
\r
1258 if(isOKtpcInnerC && isOKtrackInnerC) dumpToTree = kTRUE;
\r
1259 if(fUseESDfriends && isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE;
\r
1260 if(mcEvent && isOKtrackInnerC3) dumpToTree = kTRUE;
\r
1261 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1262 if (fReducePileUp){
\r
1264 // 18.03 - Reduce pile-up chunks, done outside of the ESDTrackCuts for 2012/2013 data pile-up about 95 % of tracks
\r
1265 // Done only in case no MC info
\r
1267 Float_t dcaTPC[2];
\r
1268 track->GetImpactParametersTPC(dcaTPC[0],dcaTPC[1]);
\r
1269 Bool_t isRoughPrimary = TMath::Abs(dcaTPC[1])<10;
\r
1270 Bool_t hasOuter=(track->IsOn(AliVTrack::kITSin))||(track->IsOn(AliVTrack::kTOFout))||(track->IsOn(AliVTrack::kTRDin));
\r
1271 Bool_t keepPileUp=gRandom->Rndm()<0.05;
\r
1272 if ( (!hasOuter) && (!isRoughPrimary) && (!keepPileUp)){
\r
1273 dumpToTree=kFALSE;
\r
1277 //book keeping of created dummy objects (to avoid NULL in trees)
\r
1278 Bool_t newvtxESD=kFALSE;
\r
1279 Bool_t newtrack=kFALSE;
\r
1280 Bool_t newtpcInnerC=kFALSE;
\r
1281 Bool_t newtrackInnerC=kFALSE;
\r
1282 Bool_t newtrackInnerC2=kFALSE;
\r
1283 Bool_t newouterITSc=kFALSE;
\r
1284 Bool_t newtrackInnerC3=kFALSE;
\r
1285 Bool_t newrefTPCIn=kFALSE;
\r
1286 Bool_t newrefITS=kFALSE;
\r
1287 Bool_t newparticle=kFALSE;
\r
1288 Bool_t newparticleMother=kFALSE;
\r
1289 Bool_t newparticleTPC=kFALSE;
\r
1290 Bool_t newparticleMotherTPC=kFALSE;
\r
1291 Bool_t newparticleITS=kFALSE;
\r
1292 Bool_t newparticleMotherITS=kFALSE;
\r
1294 //check that the vertex is there and that it is OK,
\r
1295 //i.e. no null member arrays, otherwise a problem with merging
\r
1297 //this is a very ugly hack!
\r
1300 AliInfo("fixing the ESD vertex for streaming");
\r
1301 vtxESD=new AliESDVertex();
\r
1302 //vtxESD->SetNContributors(1);
\r
1303 //UShort_t pindices[1]; pindices[0]=0;
\r
1304 //vtxESD->SetIndices(1,pindices);
\r
1305 //vtxESD->SetNContributors(0);
\r
1309 if (!track) {track=new AliESDtrack();newtrack=kTRUE;}
\r
1310 if (!tpcInnerC) {tpcInnerC=new AliExternalTrackParam();newtpcInnerC=kTRUE;}
\r
1311 if (!trackInnerC) {trackInnerC=new AliExternalTrackParam();newtrackInnerC=kTRUE;}
\r
1312 if (!trackInnerC2) {trackInnerC2=new AliExternalTrackParam();newtrackInnerC2=kTRUE;}
\r
1313 if (!outerITSc) {outerITSc=new AliExternalTrackParam();newouterITSc=kTRUE;}
\r
1314 if (!trackInnerC3) {trackInnerC3=new AliExternalTrackParam();newtrackInnerC3=kTRUE;}
\r
1317 if (!refTPCIn) {refTPCIn=new AliTrackReference(); newrefTPCIn=kTRUE;}
\r
1318 if (!refITS) {refITS=new AliTrackReference();newrefITS=kTRUE;}
\r
1319 if (!particle) {particle=new TParticle(); newparticle=kTRUE;}
\r
1320 if (!particleMother) {particleMother=new TParticle();newparticleMother=kTRUE;}
\r
1321 if (!particleTPC) {particleTPC=new TParticle();newparticleTPC=kTRUE;}
\r
1322 if (!particleMotherTPC) {particleMotherTPC=new TParticle();newparticleMotherTPC=kTRUE;}
\r
1323 if (!particleITS) {particleITS=new TParticle();newparticleITS=kTRUE;}
\r
1324 if (!particleMotherITS) {particleMotherITS=new TParticle();newparticleMotherITS=kTRUE;}
\r
1326 /////////////////////////
\r
1328 //Double_t vtxX=vtxESD->GetX();
\r
1329 //Double_t vtxY=vtxESD->GetY();
\r
1330 //Double_t vtxZ=vtxESD->GetZ();
\r
1332 AliESDVertex* pvtxESD = (AliESDVertex*)vtxESD->Clone();
\r
1333 AliESDtrack* ptrack=(AliESDtrack*)track->Clone();
\r
1334 AliExternalTrackParam* ptpcInnerC = (AliExternalTrackParam*)tpcInnerC->Clone();
\r
1335 AliExternalTrackParam* ptrackInnerC = (AliExternalTrackParam*)trackInnerC->Clone();
\r
1336 AliExternalTrackParam* ptrackInnerC2 = (AliExternalTrackParam*)trackInnerC2->Clone();
\r
1337 AliExternalTrackParam* pouterITSc = (AliExternalTrackParam*)outerITSc->Clone();
\r
1338 AliExternalTrackParam* ptrackInnerC3 = (AliExternalTrackParam*)trackInnerC3->Clone();
\r
1339 Int_t ntracks = esdEvent->GetNumberOfTracks();
\r
1341 // fill histograms
\r
1342 FillHistograms(ptrack, ptpcInnerC, mult, (Double_t)chi2(0,0));
\r
1344 if(fTreeSRedirector && dumpToTree && fFillTree)
\r
1347 (*fTreeSRedirector)<<"highPt"<<
\r
1348 "fileName.="<<&fileName<< // name of the chunk file (hopefully full)
\r
1349 "runNumber="<<runNumber<< // runNumber
\r
1350 "evtTimeStamp="<<evtTimeStamp<< // time stamp of event (in seconds)
\r
1351 "evtNumberInFile="<<evtNumberInFile<< // event number
\r
1352 "triggerClass="<<&triggerClass<< // trigger class as a string
\r
1353 "Bz="<<bz<< // solenoid magnetic field in the z direction (in kGaus)
\r
1354 "vtxESD.="<<pvtxESD<< // vertexer ESD tracks (can be biased by TPC pileup tracks)
\r
1355 //"vtxESDx="<<vtxX<<
\r
1356 //"vtxESDy="<<vtxY<<
\r
1357 //"vtxESDz="<<vtxZ<<
\r
1358 "IRtot="<<ir1<< // interaction record (trigger) counters - coutner 1
\r
1359 "IRint2="<<ir2<< // interaction record (trigger) coutners - counter 2
\r
1360 "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex
\r
1361 "ntracks="<<ntracks<< // number of the esd tracks (to take into account the pileup in the TPC)
\r
1362 "esdTrack.="<<ptrack<< // esdTrack as used in the physical analysis
\r
1363 "extTPCInnerC.="<<ptpcInnerC<< // ???
\r
1364 "extInnerParamC.="<<ptrackInnerC<< // ???
\r
1365 "extInnerParam.="<<ptrackInnerC2<< // ???
\r
1366 "extOuterITS.="<<pouterITSc<< // ???
\r
1367 "extInnerParamRef.="<<ptrackInnerC3<< // ???
\r
1368 "chi2TPCInnerC="<<chi2(0,0)<< // chi2 of tracks ???
\r
1369 "chi2InnerC="<<chi2trackC(0,0)<< // chi2s of tracks TPCinner to the combined
\r
1370 "chi2OuterITS="<<chi2OuterITS(0,0)<< // chi2s of tracks TPC at inner wall to the ITSout
\r
1371 "centralityF="<<centralityF;
\r
1374 AliTrackReference refDummy;
\r
1375 if (!refITS) refITS = &refDummy;
\r
1376 if (!refTRD) refTRD = &refDummy;
\r
1377 if (!refTOF) refTOF = &refDummy;
\r
1378 if (!refEMCAL) refEMCAL = &refDummy;
\r
1379 if (!refPHOS) refPHOS = &refDummy;
\r
1380 (*fTreeSRedirector)<<"highPt"<<
\r
1381 "nrefITS="<<nrefITS<< // number of track references in the ITS
\r
1382 "nrefTPC="<<nrefTPC<< // number of track references in the TPC
\r
1383 "nrefTRD="<<nrefTRD<< // number of track references in the TRD
\r
1384 "nrefTOF="<<nrefTOF<< // number of track references in the TOF
\r
1385 "nrefEMCAL="<<nrefEMCAL<< // number of track references in the TOF
\r
1386 "nrefPHOS="<<nrefPHOS<< // number of track references in the TOF
\r
1387 "refTPCIn.="<<refTPCIn<<
\r
1388 "refTPCOut.="<<refTPCOut<<
\r
1389 "refITS.="<<refITS<<
\r
1390 "refTRD.="<<refTRD<<
\r
1391 "refTOF.="<<refTOF<<
\r
1392 "refEMCAL.="<<refEMCAL<<
\r
1393 "refPHOS.="<<refPHOS<<
\r
1394 "particle.="<<particle<<
\r
1395 "particleMother.="<<particleMother<<
\r
1397 "isPrim="<<isPrim<<
\r
1398 "isFromStrangess="<<isFromStrangess<<
\r
1399 "isFromConversion="<<isFromConversion<<
\r
1400 "isFromMaterial="<<isFromMaterial<<
\r
1401 "particleTPC.="<<particleTPC<<
\r
1402 "particleMotherTPC.="<<particleMotherTPC<<
\r
1403 "mechTPC="<<mechTPC<<
\r
1404 "isPrimTPC="<<isPrimTPC<<
\r
1405 "isFromStrangessTPC="<<isFromStrangessTPC<<
\r
1406 "isFromConversionTPC="<<isFromConversionTPC<<
\r
1407 "isFromMaterialTPC="<<isFromMaterialTPC<<
\r
1408 "particleITS.="<<particleITS<<
\r
1409 "particleMotherITS.="<<particleMotherITS<<
\r
1410 "mechITS="<<mechITS<<
\r
1411 "isPrimITS="<<isPrimITS<<
\r
1412 "isFromStrangessITS="<<isFromStrangessITS<<
\r
1413 "isFromConversionITS="<<isFromConversionITS<<
\r
1414 "isFromMaterialITS="<<isFromMaterialITS;
\r
1416 //finish writing the entry
\r
1417 AliInfo("writing tree highPt");
\r
1418 (*fTreeSRedirector)<<"highPt"<<"\n";
\r
1423 delete ptpcInnerC;
\r
1424 delete ptrackInnerC;
\r
1425 delete ptrackInnerC2;
\r
1426 delete pouterITSc;
\r
1427 delete ptrackInnerC3;
\r
1429 ////////////////////
\r
1430 //delete the dummy objects we might have created.
\r
1431 if (newvtxESD) {delete vtxESD; vtxESD=NULL;}
\r
1432 if (newtrack) {delete track; track=NULL;}
\r
1433 if (newtpcInnerC) {delete tpcInnerC; tpcInnerC=NULL;}
\r
1434 if (newtrackInnerC) {delete trackInnerC; trackInnerC=NULL;}
\r
1435 if (newtrackInnerC2) {delete trackInnerC2; trackInnerC2=NULL;}
\r
1436 if (newouterITSc) {delete outerITSc; outerITSc=NULL;}
\r
1437 if (newtrackInnerC3) {delete trackInnerC3; trackInnerC3=NULL;}
\r
1438 if (newrefTPCIn) {delete refTPCIn; refTPCIn=NULL;}
\r
1439 if (newrefITS) {delete refITS; refITS=NULL;}
\r
1440 if (newparticle) {delete particle; particle=NULL;}
\r
1441 if (newparticleMother) {delete particleMother; particleMother=NULL;}
\r
1442 if (newparticleTPC) {delete particleTPC; particleTPC=NULL;}
\r
1443 if (newparticleMotherTPC) {delete particleMotherTPC; particleMotherTPC=NULL;}
\r
1444 if (newparticleITS) {delete particleITS; particleITS=NULL;}
\r
1445 if (newparticleMotherITS) {delete particleMotherITS; particleMotherITS=NULL;}
\r
1449 delete trackInnerC;
\r
1450 delete trackInnerC2;
\r
1452 delete trackInnerC3;
\r
1459 //_____________________________________________________________________________
\r
1460 void AliAnalysisTaskFilteredTree::ProcessMCEff(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1463 // Fill tree for efficiency studies MC only
\r
1464 AliInfo("we start!");
\r
1467 AliDebug(AliLog::kError, "esdEvent not available");
\r
1472 AliDebug(AliLog::kError, "mcEvent not available");
\r
1476 // get selection cuts
\r
1477 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1478 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1479 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1481 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1482 AliDebug(AliLog::kError, "cuts not available");
\r
1486 // trigger selection
\r
1487 Bool_t isEventTriggered = kTRUE;
\r
1488 AliPhysicsSelection *physicsSelection = NULL;
\r
1489 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1492 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1493 if (!inputHandler)
\r
1495 Printf("ERROR: Could not receive input handler");
\r
1500 TTree *chain = (TChain*)GetInputData(0);
\r
1502 Printf("ERROR: Could not receive input chain");
\r
1505 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1508 if(evtCuts->IsTriggerRequired())
\r
1511 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1513 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1514 if(!physicsSelection) return;
\r
1516 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1517 // set trigger (V0AND)
\r
1518 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1519 if(!triggerAnalysis) return;
\r
1520 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1524 // centrality determination
\r
1525 Float_t centralityF = -1;
\r
1526 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
1527 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
1529 // use MC information
\r
1530 AliHeader* header = 0;
\r
1531 AliGenEventHeader* genHeader = 0;
\r
1532 AliStack* stack = 0;
\r
1535 Int_t multMCTrueTracks = 0;
\r
1538 AliDebug(AliLog::kError, "mcEvent not available");
\r
1541 // get MC event header
\r
1542 header = mcEvent->Header();
\r
1544 AliDebug(AliLog::kError, "Header not available");
\r
1547 // MC particle stack
\r
1548 stack = mcEvent->Stack();
\r
1550 AliDebug(AliLog::kError, "Stack not available");
\r
1555 genHeader = header->GenEventHeader();
\r
1557 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
1560 genHeader->PrimaryVertex(vtxMC);
\r
1562 // multipliticy of all MC primary tracks
\r
1563 // in Zv, pt and eta ranges)
\r
1564 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
1567 // get reconstructed vertex
\r
1568 //const AliESDVertex* vtxESD = 0;
\r
1569 AliESDVertex* vtxESD = 0;
\r
1570 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1571 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1573 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1574 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1580 if(!vtxESD) return;
\r
1582 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1583 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1584 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1586 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1588 // check event cuts
\r
1589 if(isEventOK && isEventTriggered)
\r
1591 if(!stack) return;
\r
1596 TParticle *particle=NULL;
\r
1597 TParticle *particleMother=NULL;
\r
1600 // reco event info
\r
1601 Double_t vert[3] = {0};
\r
1602 vert[0] = vtxESD->GetXv();
\r
1603 vert[1] = vtxESD->GetYv();
\r
1604 vert[2] = vtxESD->GetZv();
\r
1605 Int_t mult = vtxESD->GetNContributors();
\r
1606 Double_t bz = esdEvent->GetMagneticField();
\r
1607 Double_t runNumber = esdEvent->GetRunNumber();
\r
1608 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
1609 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
1611 // loop over MC stack
\r
1612 for (Int_t iMc = 0; iMc < stack->GetNtrack(); ++iMc)
\r
1614 particle = stack->Particle(iMc);
\r
1618 // only charged particles
\r
1619 if(!particle->GetPDG()) continue;
\r
1620 Double_t charge = particle->GetPDG()->Charge()/3.;
\r
1621 if (TMath::Abs(charge) < 0.001)
\r
1624 // only primary particles
\r
1625 Bool_t prim = stack->IsPhysicalPrimary(iMc);
\r
1626 if(!prim) continue;
\r
1628 // downscale low-pT particles
\r
1629 Double_t scalempt= TMath::Min(particle->Pt(),10.);
\r
1630 Double_t downscaleF = gRandom->Rndm();
\r
1631 downscaleF *= fLowPtTrackDownscaligF;
\r
1632 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
1634 // is particle in acceptance
\r
1635 if(!accCuts->AcceptTrack(particle)) continue;
\r
1637 // check if particle reconstructed
\r
1638 Bool_t isRec = kFALSE;
\r
1639 Int_t trackIndex = -1;
\r
1640 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
1643 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
1644 if(!track) continue;
\r
1645 if(track->Charge()==0) continue;
\r
1646 if(esdTrackCuts->AcceptTrack(track) && accCuts->AcceptTrack(track))
\r
1648 Int_t label = TMath::Abs(track->GetLabel());
\r
1649 if(label == iMc) {
\r
1651 trackIndex = iTrack;
\r
1657 // Store information in the output tree
\r
1658 AliESDtrack *recTrack = NULL;
\r
1659 if(trackIndex>-1) {
\r
1660 recTrack = esdEvent->GetTrack(trackIndex);
\r
1662 recTrack = new AliESDtrack();
\r
1665 particleMother = GetMother(particle,stack);
\r
1666 mech = particle->GetUniqueID();
\r
1668 //MC particle track length
\r
1669 Double_t tpcTrackLength = 0.;
\r
1670 AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(iMc);
\r
1673 tpcTrackLength = mcParticle->GetTPCTrackLength(bz,0.05,counter,3.0);
\r
1678 if(fTreeSRedirector && fFillTree) {
\r
1679 (*fTreeSRedirector)<<"MCEffTree"<<
\r
1680 "fileName.="<<&fileName<<
\r
1681 "triggerClass.="<<&triggerClass<<
\r
1682 "runNumber="<<runNumber<<
\r
1683 "evtTimeStamp="<<evtTimeStamp<<
\r
1684 "evtNumberInFile="<<evtNumberInFile<<
\r
1686 "vtxESD.="<<vtxESD<<
\r
1688 "esdTrack.="<<recTrack<<
\r
1690 "tpcTrackLength="<<tpcTrackLength<<
\r
1691 "particle.="<<particle<<
\r
1692 "particleMother.="<<particleMother<<
\r
1697 if(trackIndex <0 && recTrack) delete recTrack; recTrack=0;
\r
1703 //_____________________________________________________________________________
\r
1704 Bool_t AliAnalysisTaskFilteredTree::IsHighDeDxParticle(AliESDtrack * track) {
\r
1706 // check if particle is Z > 1
\r
1708 if (track->GetTPCNcls() < 60) return kFALSE;
\r
1709 Double_t mom = track->GetInnerParam()->GetP();
\r
1710 if (mom < 0.2) return kFALSE; // protection against unexpected behavior of Aleph parameterization
\r
1711 Float_t dca[2], bCov[3];
\r
1712 track->GetImpactParameters(dca,bCov);
\r
1715 Double_t triggerDeDx = 4*AliExternalTrackParam::BetheBlochAleph((mom*2)/(0.938*3),1.0288,31.9806,5.04114e-11,2.13096,2.38541);
\r
1717 if (track->GetTPCsignal() > triggerDeDx && track->GetTPCsignal()<1000 && TMath::Abs(dca[0])<3.) return kTRUE;
\r
1722 //_____________________________________________________________________________
\r
1723 void AliAnalysisTaskFilteredTree::ProcessV0(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1726 // Select real events with V0 (K0s and Lambda and Gamma) high-pT candidates
\r
1729 AliDebug(AliLog::kError, "esdEvent not available");
\r
1733 // get selection cuts
\r
1734 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1735 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1736 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1738 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1739 AliDebug(AliLog::kError, "cuts not available");
\r
1743 // trigger selection
\r
1744 Bool_t isEventTriggered = kTRUE;
\r
1745 AliPhysicsSelection *physicsSelection = NULL;
\r
1746 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1749 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1750 if (!inputHandler)
\r
1752 Printf("ERROR: Could not receive input handler");
\r
1757 TTree *chain = (TChain*)GetInputData(0);
\r
1759 Printf("ERROR: Could not receive input chain");
\r
1762 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1765 if(evtCuts->IsTriggerRequired())
\r
1768 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1770 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1771 if(!physicsSelection) return;
\r
1772 //SetPhysicsTriggerSelection(physicsSelection);
\r
1774 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1775 // set trigger (V0AND)
\r
1776 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1777 if(!triggerAnalysis) return;
\r
1778 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1782 // centrality determination
\r
1783 Float_t centralityF = -1;
\r
1784 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
1785 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
1788 // get reconstructed vertex
\r
1789 //const AliESDVertex* vtxESD = 0;
\r
1790 AliESDVertex* vtxESD = 0;
\r
1791 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1792 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1794 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1795 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1801 if(!vtxESD) return;
\r
1803 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1804 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1805 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1807 // check event cuts
\r
1808 if(isEventOK && isEventTriggered) {
\r
1810 // Dump the pt downscaled V0 into the tree
\r
1812 Int_t ntracks = esdEvent->GetNumberOfTracks();
\r
1813 Int_t nV0s = esdEvent->GetNumberOfV0s();
\r
1814 Int_t run = esdEvent->GetRunNumber();
\r
1815 Int_t time= esdEvent->GetTimeStamp();
\r
1816 Int_t evNr=esdEvent->GetEventNumberInFile();
\r
1817 Double_t bz = esdEvent->GetMagneticField();
\r
1820 for (Int_t iv0=0; iv0<nV0s; iv0++){
\r
1821 AliESDv0 * v0 = esdEvent->GetV0(iv0);
\r
1822 if (!v0) continue;
\r
1823 AliESDtrack * track0 = esdEvent->GetTrack(v0->GetIndex(0));
\r
1824 AliESDtrack * track1 = esdEvent->GetTrack(v0->GetIndex(1));
\r
1825 if (!track0) continue;
\r
1826 if (!track1) continue;
\r
1827 if (track0->GetSign()<0) {
\r
1828 track1 = esdEvent->GetTrack(v0->GetIndex(0));
\r
1829 track0 = esdEvent->GetTrack(v0->GetIndex(1));
\r
1832 Bool_t isDownscaled = IsV0Downscaled(v0);
\r
1833 if (isDownscaled) continue;
\r
1834 AliKFParticle kfparticle; //
\r
1835 Int_t type=GetKFParticle(v0,esdEvent,kfparticle);
\r
1836 if (type==0) continue;
\r
1837 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1839 if(!fFillTree) return;
\r
1840 if(!fTreeSRedirector) return;
\r
1841 (*fTreeSRedirector)<<"V0s"<<
\r
1842 "isDownscaled="<<isDownscaled<<
\r
1843 "triggerClass="<<&triggerClass<< // trigger
\r
1845 "fileName.="<<&fileName<<
\r
1846 "runNumber="<<run<<
\r
1847 "evtTimeStamp="<<time<<
\r
1848 "evtNumberInFile="<<evNr<<
\r
1850 "ntracks="<<ntracks<<
\r
1852 "kf.="<<&kfparticle<<
\r
1853 "track0.="<<track0<<
\r
1854 "track1.="<<track1<<
\r
1855 "centralityF="<<centralityF<<
\r
1861 //_____________________________________________________________________________
\r
1862 void AliAnalysisTaskFilteredTree::ProcessdEdx(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1865 // Select real events with large TPC dEdx signal
\r
1868 AliDebug(AliLog::kError, "esdEvent not available");
\r
1872 // get selection cuts
\r
1873 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1874 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1875 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1877 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1878 AliDebug(AliLog::kError, "cuts not available");
\r
1883 TTree *chain = (TChain*)GetInputData(0);
\r
1885 Printf("ERROR: Could not receive input chain");
\r
1888 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1891 Bool_t isEventTriggered = kTRUE;
\r
1892 AliPhysicsSelection *physicsSelection = NULL;
\r
1893 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1896 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1897 if (!inputHandler)
\r
1899 Printf("ERROR: Could not receive input handler");
\r
1903 if(evtCuts->IsTriggerRequired())
\r
1906 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1908 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1909 if(!physicsSelection) return;
\r
1911 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1912 // set trigger (V0AND)
\r
1913 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1914 if(!triggerAnalysis) return;
\r
1915 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1919 // get reconstructed vertex
\r
1920 AliESDVertex* vtxESD = 0;
\r
1921 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1922 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1924 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1925 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1930 if(!vtxESD) return;
\r
1932 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1933 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1934 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1937 // check event cuts
\r
1938 if(isEventOK && isEventTriggered)
\r
1940 Double_t vert[3] = {0};
\r
1941 vert[0] = vtxESD->GetXv();
\r
1942 vert[1] = vtxESD->GetYv();
\r
1943 vert[2] = vtxESD->GetZv();
\r
1944 Int_t mult = vtxESD->GetNContributors();
\r
1945 Double_t bz = esdEvent->GetMagneticField();
\r
1946 Double_t runNumber = esdEvent->GetRunNumber();
\r
1947 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
1948 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
1951 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
1953 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
1954 if(!track) continue;
\r
1955 if(track->Charge()==0) continue;
\r
1956 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
1957 if(!accCuts->AcceptTrack(track)) continue;
\r
1959 if(!IsHighDeDxParticle(track)) continue;
\r
1960 TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data();
\r
1962 if(!fFillTree) return;
\r
1963 if(!fTreeSRedirector) return;
\r
1964 (*fTreeSRedirector)<<"dEdx"<<
\r
1965 "fileName.="<<&fileName<<
\r
1966 "runNumber="<<runNumber<<
\r
1967 "evtTimeStamp="<<evtTimeStamp<<
\r
1968 "evtNumberInFile="<<evtNumberInFile<<
\r
1969 "triggerClass="<<&triggerClass<< // trigger
\r
1971 "vtxESD.="<<vtxESD<<
\r
1973 "esdTrack.="<<track<<
\r
1979 //_____________________________________________________________________________
\r
1980 Int_t AliAnalysisTaskFilteredTree::GetKFParticle(AliESDv0 *const v0, AliESDEvent * const event, AliKFParticle & kfparticle)
\r
1983 // Create KF particle in case the V0 fullfill selection criteria
\r
1985 // Selection criteria
\r
1986 // 0. algorithm cut
\r
1989 // 4. rough mass cut
\r
1990 // 5. Normalized pointing angle cut
\r
1992 const Double_t cutMass=0.2;
\r
1993 const Double_t kSigmaDCACut=3;
\r
1995 // 0.) algo cut - accept only on the fly
\r
1997 if (v0->GetOnFlyStatus() ==kFALSE) return 0;
\r
2001 AliESDtrack * track0 = event->GetTrack(v0->GetIndex(0));
\r
2002 AliESDtrack * track1 = event->GetTrack(v0->GetIndex(1));
\r
2004 TCut cutD="abs(track0.fD/sqrt(track0.fCdd))>2&&abs(track1.fD/sqrt(track1.fCdd))>2";
\r
2005 TCut cutTheta="abs(track0.fP[3])<1&&abs(track1.fP[3])<1";
\r
2006 TCut cutNcl="track0.GetTPCClusterInfo(2,1)>100&&track1.GetTPCClusterInfo(2,1)>100";
\r
2008 if (TMath::Abs(track0->GetTgl())>1) return 0;
\r
2009 if (TMath::Abs(track1->GetTgl())>1) return 0;
\r
2010 if ((track0->GetTPCClusterInfo(2,1))<100) return 0;
\r
2011 if ((track1->GetTPCClusterInfo(2,1))<100) return 0;
\r
2012 //if ((track0->GetITSclusters(0))<2) return 0;
\r
2013 //if ((track1->GetITSclusters(0))<2) return 0;
\r
2014 Float_t pos0[2]={0}, cov0[3]={0};
\r
2015 Float_t pos1[2]={0}, cov1[3]={0};
\r
2016 track0->GetImpactParameters(pos0,cov0);
\r
2017 track0->GetImpactParameters(pos1,cov1);
\r
2019 if (TMath::Abs(pos0[0])<kSigmaDCACut*TMath::Sqrt(cov0[0])) return 0;
\r
2020 if (TMath::Abs(pos1[0])<kSigmaDCACut*TMath::Sqrt(cov1[0])) return 0;
\r
2025 Double_t chi2KF = v0->GetKFInfo(2,2,2);
\r
2026 if (chi2KF>25) return 0;
\r
2028 // 4.) Rough mass cut - 0.200 GeV
\r
2030 static Double_t masses[2]={-1};
\r
2032 masses[0] = TDatabasePDG::Instance()->GetParticle("K_S0")->Mass();
\r
2033 masses[1] = TDatabasePDG::Instance()->GetParticle("Lambda0")->Mass();
\r
2035 Double_t mass00= v0->GetEffMass(0,0);
\r
2036 Double_t mass22= v0->GetEffMass(2,2);
\r
2037 Double_t mass42= v0->GetEffMass(4,2);
\r
2038 Double_t mass24= v0->GetEffMass(2,4);
\r
2039 Bool_t massOK=kFALSE;
\r
2044 if (TMath::Abs(mass00-0)<cutMass) {
\r
2045 massOK=kTRUE; type+=1;
\r
2046 if (TMath::Abs(mass00-0)<dmass) {
\r
2048 dmass=TMath::Abs(mass00-0);
\r
2052 if (TMath::Abs(mass24-masses[1])<cutMass) {
\r
2053 massOK=kTRUE; type+=2;
\r
2054 if (TMath::Abs(mass24-masses[1])<dmass){
\r
2055 dmass = TMath::Abs(mass24-masses[1]);
\r
2060 if (TMath::Abs(mass42-masses[1])<cutMass) {
\r
2061 massOK=kTRUE; type+=4;
\r
2062 if (TMath::Abs(mass42-masses[1])<dmass){
\r
2063 dmass = TMath::Abs(mass42-masses[1]);
\r
2068 if (TMath::Abs(mass22-masses[0])<cutMass) {
\r
2069 massOK=kTRUE; type+=8;
\r
2070 if (TMath::Abs(mass22-masses[0])<dmass){
\r
2071 dmass = TMath::Abs(mass22-masses[0]);
\r
2076 if (type==0) return 0;
\r
2078 const Int_t spdg[5]={kPositron,kMuonPlus,kPiPlus, kKPlus, kProton};
\r
2079 const AliExternalTrackParam *paramP = v0->GetParamP();
\r
2080 const AliExternalTrackParam *paramN = v0->GetParamN();
\r
2081 if (paramP->GetSign()<0){
\r
2082 paramP=v0->GetParamP();
\r
2083 paramN=v0->GetParamN();
\r
2085 //Double_t *pparam1 = (Double_t*)paramP->GetParameter();
\r
2086 //Double_t *pparam2 = (Double_t*)paramN->GetParameter();
\r
2088 AliKFParticle kfp1( *paramP, spdg[p1] );
\r
2089 AliKFParticle kfp2( *paramN, -1 *spdg[p2] );
\r
2090 AliKFParticle V0KF;
\r
2097 Double_t errPhi = V0KF.GetErrPhi();
\r
2098 Double_t pointAngle= TMath::ACos(v0->GetV0CosineOfPointingAngle());
\r
2099 if (pointAngle/errPhi>10) return 0;
\r
2104 //_____________________________________________________________________________
\r
2105 Bool_t AliAnalysisTaskFilteredTree::IsV0Downscaled(AliESDv0 *const v0)
\r
2108 // Downscale randomly low pt V0
\r
2111 Double_t maxPt= TMath::Max(v0->GetParamP()->Pt(), v0->GetParamN()->Pt());
\r
2112 Double_t scalempt= TMath::Min(maxPt,10.);
\r
2113 Double_t downscaleF = gRandom->Rndm();
\r
2114 downscaleF *= fLowPtV0DownscaligF;
\r
2116 // Special treatment of the gamma conversion pt spectra is softer -
\r
2117 Double_t mass00= v0->GetEffMass(0,0);
\r
2118 const Double_t cutMass=0.2;
\r
2119 if (TMath::Abs(mass00-0)<cutMass){
\r
2120 downscaleF/=10.; // 10 times smaller downscaling for the gamma concersion candidate
\r
2122 //printf("V0 TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
2123 if (TMath::Exp(2*scalempt)<downscaleF) return kTRUE;
\r
2127 TH1F his1("his1","his1",100,0,10);
\r
2128 TH1F his2("his2","his2",100,0,10);
\r
2129 {for (Int_t i=0; i<10000; i++){
\r
2130 Double_t rnd=gRandom->Exp(1);
\r
2131 Bool_t isDownscaled =TMath::Exp(rnd)<100*gRandom->Rndm();
\r
2133 if (!isDownscaled) his2->Fill(rnd);
\r
2142 //_____________________________________________________________________________
\r
2143 Bool_t AliAnalysisTaskFilteredTree::ConstrainTPCInner(AliExternalTrackParam *const tpcInnerC, const AliESDVertex* vtx, Double_t b[3])
\r
2145 // Constrain TPC inner params constrained
\r
2147 if(!tpcInnerC) return kFALSE;
\r
2148 if(!vtx) return kFALSE;
\r
2150 Double_t dz[2],cov[3];
\r
2151 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
\r
2152 //if(!tpcInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
\r
2153 //if(!tpcInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
\r
2154 if(!tpcInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
\r
2157 Double_t covar[6]; vtx->GetCovMatrix(covar);
\r
2158 Double_t p[2]={tpcInnerC->GetParameter()[0]-dz[0],tpcInnerC->GetParameter()[1]-dz[1]};
\r
2159 Double_t c[3]={covar[2],0.,covar[5]};
\r
2160 Double_t chi2C=tpcInnerC->GetPredictedChi2(p,c);
\r
2161 if (chi2C>kVeryBig) return kFALSE;
\r
2163 if(!tpcInnerC->Update(p,c)) return kFALSE;
\r
2168 //_____________________________________________________________________________
\r
2169 Bool_t AliAnalysisTaskFilteredTree::ConstrainTrackInner(AliExternalTrackParam *const trackInnerC, const AliESDVertex* vtx, Double_t mass, Double_t b[3])
\r
2171 // Constrain TPC inner params constrained
\r
2173 if(!trackInnerC) return kFALSE;
\r
2174 if(!vtx) return kFALSE;
\r
2176 const Double_t kRadius = 2.8;
\r
2177 const Double_t kMaxStep = 1.0;
\r
2179 Double_t dz[2],cov[3];
\r
2181 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
\r
2182 //if(!trackInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
\r
2183 //if(!trackInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
\r
2185 if(!AliTracker::PropagateTrackToBxByBz(trackInnerC,kRadius,mass,kMaxStep,kFALSE)) return kFALSE;
\r
2186 if(!trackInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
\r
2189 Double_t covar[6]; vtx->GetCovMatrix(covar);
\r
2190 Double_t p[2]={trackInnerC->GetParameter()[0]-dz[0],trackInnerC->GetParameter()[1]-dz[1]};
\r
2191 Double_t c[3]={covar[2],0.,covar[5]};
\r
2192 Double_t chi2C=trackInnerC->GetPredictedChi2(p,c);
\r
2193 if (chi2C>kVeryBig) return kFALSE;
\r
2195 if(!trackInnerC->Update(p,c)) return kFALSE;
\r
2201 //_____________________________________________________________________________
\r
2202 TParticle *AliAnalysisTaskFilteredTree::GetMother(TParticle *const particle, AliStack *const stack)
\r
2204 if(!particle) return NULL;
\r
2205 if(!stack) return NULL;
\r
2207 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2208 TParticle* mother = NULL;
\r
2209 mother = stack->Particle(motherLabel);
\r
2214 //_____________________________________________________________________________
\r
2215 Bool_t AliAnalysisTaskFilteredTree::IsFromConversion(const Int_t label, AliStack *const stack)
\r
2217 Bool_t isFromConversion = kFALSE;
\r
2220 TParticle* particle = stack->Particle(label);
\r
2222 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
2224 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
2225 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
2227 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2228 TParticle* mother = stack->Particle(motherLabel);
\r
2230 Int_t motherPdg = mother->GetPdgCode();
\r
2232 if(!isPrim && mech==5 && motherPdg==kGamma) {
\r
2233 isFromConversion=kTRUE;
\r
2239 return isFromConversion;
\r
2242 //_____________________________________________________________________________
\r
2243 Bool_t AliAnalysisTaskFilteredTree::IsFromMaterial(const Int_t label, AliStack *const stack)
\r
2245 Bool_t isFromMaterial = kFALSE;
\r
2248 TParticle* particle = stack->Particle(label);
\r
2250 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
2252 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
2253 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
2255 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2256 TParticle* mother = stack->Particle(motherLabel);
\r
2258 if(!isPrim && mech==13) {
\r
2259 isFromMaterial=kTRUE;
\r
2265 return isFromMaterial;
\r
2268 //_____________________________________________________________________________
\r
2269 Bool_t AliAnalysisTaskFilteredTree::IsFromStrangeness(const Int_t label, AliStack *const stack)
\r
2271 Bool_t isFromStrangeness = kFALSE;
\r
2274 TParticle* particle = stack->Particle(label);
\r
2276 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
2278 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
2279 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
2281 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
2282 TParticle* mother = stack->Particle(motherLabel);
\r
2284 Int_t motherPdg = mother->GetPdgCode();
\r
2286 // K+-, lambda, antilambda, K0s decays
\r
2287 if(!isPrim && mech==4 &&
\r
2288 (TMath::Abs(motherPdg)==kKPlus || TMath::Abs(motherPdg)==kLambda0 || motherPdg==kK0Short))
\r
2290 isFromStrangeness = kTRUE;
\r
2296 return isFromStrangeness;
\r
2300 //_____________________________________________________________________________
\r
2301 void AliAnalysisTaskFilteredTree::FinishTaskOutput()
\r
2304 // Called one at the end
\r
2305 // locally on working node
\r
2308 //// must be deleted to store trees
\r
2309 //if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector=0;
\r
2311 //// open temporary file and copy trees to the ouptut container
\r
2313 //TChain* chain = 0;
\r
2315 //chain = new TChain("highPt");
\r
2317 // chain->Add("jotwinow_Temp_Trees.root");
\r
2318 // fHighPtTree = chain->CopyTree("1");
\r
2319 // delete chain; chain=0;
\r
2321 //if(fHighPtTree) fHighPtTree->Print();
\r
2324 //chain = new TChain("V0s");
\r
2326 // chain->Add("jotwinow_Temp_Trees.root");
\r
2327 // fV0Tree = chain->CopyTree("1");
\r
2328 // delete chain; chain=0;
\r
2330 //if(fV0Tree) fV0Tree->Print();
\r
2333 //chain = new TChain("dEdx");
\r
2335 // chain->Add("jotwinow_Temp_Trees.root");
\r
2336 // fdEdxTree = chain->CopyTree("1");
\r
2337 // delete chain; chain=0;
\r
2339 //if(fdEdxTree) fdEdxTree->Print();
\r
2342 //chain = new TChain("Laser");
\r
2344 // chain->Add("jotwinow_Temp_Trees.root");
\r
2345 // fLaserTree = chain->CopyTree("1");
\r
2346 // delete chain; chain=0;
\r
2348 //if(fLaserTree) fLaserTree->Print();
\r
2351 //chain = new TChain("MCEffTree");
\r
2353 // chain->Add("jotwinow_Temp_Trees.root");
\r
2354 // fMCEffTree = chain->CopyTree("1");
\r
2355 // delete chain; chain=0;
\r
2357 //if(fMCEffTree) fMCEffTree->Print();
\r
2360 //chain = new TChain("CosmicPairs");
\r
2362 // chain->Add("jotwinow_Temp_Trees.root");
\r
2363 // fCosmicPairsTree = chain->CopyTree("1");
\r
2364 // delete chain; chain=0;
\r
2366 //if(fCosmicPairsTree) fCosmicPairsTree->Print();
\r
2368 Bool_t deleteTrees=kTRUE;
\r
2369 if ((AliAnalysisManager::GetAnalysisManager()))
\r
2371 if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() ==
\r
2372 AliAnalysisManager::kProofAnalysis)
\r
2373 deleteTrees=kFALSE;
\r
2375 if (deleteTrees) delete fTreeSRedirector;
\r
2376 fTreeSRedirector=NULL;
\r
2380 // Post output data.
\r
2381 //PostData(1, fHighPtTree);
\r
2382 //PostData(2, fV0Tree);
\r
2383 //PostData(3, fdEdxTree);
\r
2384 //PostData(4, fLaserTree);
\r
2385 //PostData(5, fMCEffTree);
\r
2386 //PostData(6, fCosmicPairsTree);
\r
2389 //_____________________________________________________________________________
\r
2390 void AliAnalysisTaskFilteredTree::Terminate(Option_t *)
\r
2392 // Called one at the end
\r
2394 fOutputSummary = dynamic_cast<TTree*> (GetOutputData(1));
\r
2395 if(fOutputSummary) delete fOutputSummary; fOutputSummary=0;
\r
2396 TChain* chain = new TChain("highPt");
\r
2397 if(!chain) return;
\r
2398 chain->Add("jotwinow_HighPt_TrackAndV0_Trees.root");
\r
2399 TTree *tree = chain->CopyTree("1");
\r
2400 if (chain) { delete chain; chain=0; }
\r
2403 fOutputSummary = tree;
\r
2405 if (!fOutputSummary) {
\r
2406 Printf("ERROR: AliAnalysisTaskFilteredTree::Terminate(): Output data not avaiable %p \n", GetOutputData(1));
\r
2413 //_____________________________________________________________________________
\r
2414 Int_t AliAnalysisTaskFilteredTree::GetMCTrueTrackMult(AliMCEvent *const mcEvent, AliFilteredTreeEventCuts *const evtCuts, AliFilteredTreeAcceptanceCuts *const accCuts)
\r
2417 // calculate mc event true track multiplicity
\r
2419 if(!mcEvent) return 0;
\r
2421 AliStack* stack = 0;
\r
2424 // MC particle stack
\r
2425 stack = mcEvent->Stack();
\r
2426 if (!stack) return 0;
\r
2429 //printf("minZv %f, maxZv %f \n", evtCuts->GetMinZv(), evtCuts->GetMaxZv());
\r
2432 Bool_t isEventOK = evtCuts->AcceptMCEvent(mcEvent);
\r
2433 if(!isEventOK) return 0;
\r
2435 Int_t nPart = stack->GetNtrack();
\r
2436 for (Int_t iMc = 0; iMc < nPart; ++iMc)
\r
2438 TParticle* particle = stack->Particle(iMc);
\r
2442 // only charged particles
\r
2443 if(!particle->GetPDG()) continue;
\r
2444 Double_t charge = particle->GetPDG()->Charge()/3.;
\r
2445 if (TMath::Abs(charge) < 0.001)
\r
2448 // physical primary
\r
2449 Bool_t prim = stack->IsPhysicalPrimary(iMc);
\r
2450 if(!prim) continue;
\r
2452 // checked accepted without pt cut
\r
2453 //if(accCuts->AcceptTrack(particle))
\r
2454 if( particle->Eta() > accCuts->GetMinEta() && particle->Eta() < accCuts->GetMaxEta() )
\r
2463 //_____________________________________________________________________________
\r
2464 void AliAnalysisTaskFilteredTree::FillHistograms(AliESDtrack* const ptrack, AliExternalTrackParam* const ptpcInnerC, const Double_t centralityF, const Double_t chi2TPCInnerC)
\r
2467 // Fill pT relative resolution histograms for
\r
2468 // TPC only, TPC only constrained to vertex and TPC+ITS tracking
\r
2470 if(!ptrack) return;
\r
2471 if(!ptpcInnerC) return;
\r
2473 const AliExternalTrackParam * innerParam = (AliExternalTrackParam *) ptrack->GetInnerParam();
\r
2474 if(!innerParam) return;
\r
2477 ptrack->GetImpactParameters(dxy,dz);
\r
2479 // TPC+ITS primary tracks
\r
2480 if( abs(ptrack->Eta())<0.8 &&
\r
2481 ptrack->GetTPCClusterInfo(3,1)>130 &&
\r
2482 ptrack->IsOn(0x40) &&
\r
2483 ptrack->GetTPCclusters(0)>0.0 &&
\r
2484 ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.2 &&
\r
2485 abs(innerParam->GetX())>0.0 &&
\r
2486 abs(innerParam->GetY()/innerParam->GetX())<0.14 &&
\r
2487 abs(innerParam->GetTgl())<0.85 &&
\r
2488 ptrack->IsOn(0x0004) &&
\r
2489 ptrack->GetNcls(0)>0 &&
\r
2490 ptrack->GetITSchi2()>0 &&
\r
2491 sqrt(ptrack->GetITSchi2()/ptrack->GetNcls(0))<6 &&
\r
2492 sqrt(chi2TPCInnerC)<6 &&
\r
2494 abs(dxy)<(0.018+0.035*abs(ptrack->GetSigned1Pt())) )
\r
2496 fPtResPhiPtTPCITS->Fill(ptrack->Pt(),ptrack->Phi(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2()));
\r
2497 fPtResEtaPtTPCITS->Fill(ptrack->Pt(),ptrack->Eta(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2()));
\r
2498 fPtResCentPtTPCITS->Fill(ptrack->Pt(),centralityF,1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2()));
\r
2501 // TPC primary tracks
\r
2502 // and TPC constrained primary tracks
\r
2504 AliExternalTrackParam *ptpcInner = (AliExternalTrackParam *) ptrack->GetTPCInnerParam();
\r
2505 if(!ptpcInner) return;
\r
2508 Float_t dxyTPC, dzTPC;
\r
2509 ptrack->GetImpactParametersTPC(dxyTPC,dzTPC);
\r
2511 if( abs(ptrack->Eta())<0.8 &&
\r
2512 ptrack->GetTPCClusterInfo(3,1)>130 &&
\r
2513 ptrack->IsOn(0x40)&&
\r
2514 ptrack->GetTPCclusters(0)>0.0 &&
\r
2515 ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.2 &&
\r
2516 abs(innerParam->GetX())>0.0 &&
\r
2517 abs(innerParam->GetY()/innerParam->GetX())<0.14 &&
\r
2518 abs(innerParam->GetTgl())<0.85 &&
\r
2519 abs(dzTPC)<3.2 &&
\r
2523 fPtResPhiPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Phi(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2()));
\r
2524 fPtResEtaPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Eta(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2()));
\r
2525 fPtResCentPtTPC->Fill(ptpcInner->Pt(),centralityF,1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2()));
\r
2527 // TPC constrained to vertex
\r
2528 fPtResPhiPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Phi(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2()));
\r
2529 fPtResEtaPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Eta(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2()));
\r
2530 fPtResCentPtTPCc->Fill(ptpcInnerC->Pt(),centralityF,1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2()));
\r