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c683985a | 1 | /************************************************************************** |
234cae2f | 2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
c683985a | 15 | |
16 | #include "iostream" | |
17 | #include "TSystem.h" | |
18 | ||
19 | #include <TPDGCode.h> | |
20 | #include <TDatabasePDG.h> | |
21 | ||
22 | #include "TChain.h" | |
23 | #include "TTreeStream.h" | |
24 | #include "TTree.h" | |
25 | #include "TH1F.h" | |
26 | #include "TH3.h" | |
27 | #include "TCanvas.h" | |
28 | #include "TList.h" | |
29 | #include "TObjArray.h" | |
30 | #include "TFile.h" | |
31 | #include "TMatrixD.h" | |
32 | #include "TRandom3.h" | |
33 | ||
34 | #include "AliHeader.h" | |
35 | #include "AliGenEventHeader.h" | |
36 | #include "AliInputEventHandler.h" | |
37 | #include "AliStack.h" | |
38 | #include "AliTrackReference.h" | |
39 | ||
40 | #include "AliPhysicsSelection.h" | |
41 | #include "AliAnalysisTask.h" | |
42 | #include "AliAnalysisManager.h" | |
43 | #include "AliESDEvent.h" | |
44 | #include "AliESDfriend.h" | |
45 | #include "AliMCEvent.h" | |
46 | #include "AliESDInputHandler.h" | |
47 | #include "AliESDVertex.h" | |
48 | #include "AliTracker.h" | |
49 | #include "AliVTrack.h" | |
50 | #include "AliGeomManager.h" | |
51 | ||
52 | #include "AliCentrality.h" | |
53 | #include "AliESDVZERO.h" | |
54 | #include "AliMultiplicity.h" | |
55 | ||
56 | #include "AliESDtrackCuts.h" | |
57 | #include "AliMCEventHandler.h" | |
58 | #include "AliFilteredTreeEventCuts.h" | |
59 | #include "AliFilteredTreeAcceptanceCuts.h" | |
60 | ||
61 | #include "AliAnalysisTaskFilteredTree.h" | |
62 | #include "AliKFParticle.h" | |
63 | #include "AliESDv0.h" | |
64 | #include "TVectorD.h" | |
65 | ||
66 | using namespace std; | |
67 | ||
68 | ClassImp(AliAnalysisTaskFilteredTree) | |
69 | ||
234cae2f | 70 | //_____________________________________________________________________________ |
71 | AliAnalysisTaskFilteredTree::AliAnalysisTaskFilteredTree(const char *name) | |
c683985a | 72 | : AliAnalysisTaskSE(name) |
73 | , fESD(0) | |
74 | , fMC(0) | |
75 | , fESDfriend(0) | |
76 | , fOutput(0) | |
77 | , fPitList(0) | |
78 | , fUseMCInfo(kFALSE) | |
79 | , fUseESDfriends(kFALSE) | |
80 | , fReducePileUp(kTRUE) | |
81 | , fFillTree(kTRUE) | |
82 | , fFilteredTreeEventCuts(0) | |
83 | , fFilteredTreeAcceptanceCuts(0) | |
84 | , fFilteredTreeRecAcceptanceCuts(0) | |
85 | , fEsdTrackCuts(0) | |
86 | , fTrigger(AliTriggerAnalysis::kMB1) | |
87 | , fAnalysisMode(kTPCAnalysisMode) | |
88 | , fTreeSRedirector(0) | |
89 | , fCentralityEstimator(0) | |
90 | , fLowPtTrackDownscaligF(0) | |
91 | , fLowPtV0DownscaligF(0) | |
92 | , fProcessAll(kFALSE) | |
93 | , fProcessCosmics(kFALSE) | |
94 | , fHighPtTree(0) | |
95 | , fV0Tree(0) | |
96 | , fdEdxTree(0) | |
97 | , fLaserTree(0) | |
98 | , fMCEffTree(0) | |
99 | , fCosmicPairsTree(0) | |
100 | , fPtResPhiPtTPC(0) | |
101 | , fPtResPhiPtTPCc(0) | |
102 | , fPtResPhiPtTPCITS(0) | |
103 | , fPtResEtaPtTPC(0) | |
104 | , fPtResEtaPtTPCc(0) | |
105 | , fPtResEtaPtTPCITS(0) | |
106 | , fPtResCentPtTPC(0) | |
107 | , fPtResCentPtTPCc(0) | |
234cae2f | 108 | , fPtResCentPtTPCITS(0) |
c683985a | 109 | { |
110 | // Constructor | |
111 | ||
112 | // Define input and output slots here | |
113 | DefineOutput(1, TTree::Class()); | |
114 | DefineOutput(2, TTree::Class()); | |
115 | DefineOutput(3, TTree::Class()); | |
116 | DefineOutput(4, TTree::Class()); | |
117 | DefineOutput(5, TTree::Class()); | |
118 | DefineOutput(6, TTree::Class()); | |
119 | DefineOutput(7, TList::Class()); | |
120 | } | |
121 | ||
122 | //_____________________________________________________________________________ | |
123 | AliAnalysisTaskFilteredTree::~AliAnalysisTaskFilteredTree() | |
124 | { | |
125 | //the output trees not to be deleted in case of proof analysis | |
126 | //Bool_t deleteTrees=kTRUE; | |
127 | //if ((AliAnalysisManager::GetAnalysisManager())) | |
128 | //{ | |
129 | // if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() == | |
130 | // AliAnalysisManager::kProofAnalysis) | |
131 | // deleteTrees=kFALSE; | |
132 | //} | |
133 | //if (deleteTrees) delete fTreeSRedirector; | |
134 | ||
135 | delete fFilteredTreeEventCuts; | |
136 | delete fFilteredTreeAcceptanceCuts; | |
137 | delete fFilteredTreeRecAcceptanceCuts; | |
138 | delete fEsdTrackCuts; | |
139 | } | |
140 | ||
141 | //____________________________________________________________________________ | |
142 | Bool_t AliAnalysisTaskFilteredTree::Notify() | |
143 | { | |
144 | static Int_t count = 0; | |
145 | count++; | |
146 | TTree *chain = (TChain*)GetInputData(0); | |
147 | if(chain) | |
148 | { | |
149 | Printf("Processing %d. file: %s", count, chain->GetCurrentFile()->GetName()); | |
150 | } | |
151 | ||
b55a470b | 152 | return kTRUE; |
c683985a | 153 | } |
154 | ||
155 | //_____________________________________________________________________________ | |
156 | void AliAnalysisTaskFilteredTree::UserCreateOutputObjects() | |
157 | { | |
158 | // Create histograms | |
159 | // Called once | |
160 | ||
161 | // | |
162 | //get the output file to make sure the trees will be associated to it | |
163 | OpenFile(1); | |
164 | fTreeSRedirector = new TTreeSRedirector(); | |
234cae2f | 165 | |
c683985a | 166 | // |
167 | // Create trees | |
168 | fV0Tree = ((*fTreeSRedirector)<<"V0s").GetTree(); | |
169 | fHighPtTree = ((*fTreeSRedirector)<<"highPt").GetTree(); | |
170 | fdEdxTree = ((*fTreeSRedirector)<<"dEdx").GetTree(); | |
171 | fLaserTree = ((*fTreeSRedirector)<<"Laser").GetTree(); | |
172 | fMCEffTree = ((*fTreeSRedirector)<<"MCEffTree").GetTree(); | |
173 | fCosmicPairsTree = ((*fTreeSRedirector)<<"CosmicPairs").GetTree(); | |
174 | ||
175 | ||
176 | ||
177 | ||
178 | // histogram booking | |
179 | ||
180 | Double_t minPt = 0.1; | |
181 | Double_t maxPt = 100.; | |
182 | Int_t nbinsPt = 30; | |
183 | ||
184 | Double_t logminPt = TMath::Log10(minPt); | |
185 | Double_t logmaxPt = TMath::Log10(maxPt); | |
186 | Double_t binwidth = (logmaxPt-logminPt)/nbinsPt; | |
187 | Double_t *binsPt = new Double_t[nbinsPt+1]; | |
188 | binsPt[0] = minPt; | |
189 | for (Int_t i=1;i<=nbinsPt;i++) { | |
190 | binsPt[i] = minPt + TMath::Power(10,logminPt+i*binwidth); | |
191 | } | |
192 | ||
193 | // 1pT resol cov matrix bins | |
194 | Double_t min1PtRes = 0.; | |
195 | Double_t max1PtRes = 0.3; | |
196 | Int_t nbins1PtRes = 300; | |
197 | Double_t bins1PtRes[301]; | |
198 | for (Int_t i=0;i<=nbins1PtRes;i++) { | |
199 | bins1PtRes[i] = min1PtRes + i*(max1PtRes-min1PtRes)/nbins1PtRes; | |
200 | } | |
201 | ||
202 | // phi bins | |
203 | Double_t minPhi = 0.; | |
204 | Double_t maxPhi = 6.5; | |
205 | Int_t nbinsPhi = 100; | |
206 | Double_t binsPhi[101]; | |
234cae2f | 207 | for (Int_t i=0;i<=nbinsPhi;i++) { |
c683985a | 208 | binsPhi[i] = minPhi + i*(maxPhi-minPhi)/nbinsPhi; |
209 | } | |
210 | ||
211 | // eta bins | |
212 | Double_t minEta = -1.; | |
213 | Double_t maxEta = 1.; | |
214 | Int_t nbinsEta = 20; | |
215 | Double_t binsEta[21]; | |
216 | for (Int_t i=0;i<=nbinsEta;i++) { | |
217 | binsEta[i] = minEta + i*(maxEta-minEta)/nbinsEta; | |
218 | } | |
219 | ||
220 | // mult bins | |
221 | Double_t minCent = 0.; | |
222 | Double_t maxCent = 100; | |
223 | Int_t nbinsCent = 20; | |
224 | Double_t binsCent[101]; | |
225 | for (Int_t i=0;i<=nbinsCent;i++) { | |
226 | binsCent[i] = minCent + i*(maxCent-minCent)/nbinsCent; | |
227 | } | |
234cae2f | 228 | |
c683985a | 229 | fPtResPhiPtTPC = new TH3D("fPtResPhiPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); |
230 | fPtResPhiPtTPCc = new TH3D("fPtResPhiPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); | |
231 | fPtResPhiPtTPCITS = new TH3D("fPtResPhiPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); | |
234cae2f | 232 | |
233 | fPtResEtaPtTPC = new TH3D("fPtResEtaPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); | |
c683985a | 234 | fPtResEtaPtTPCc = new TH3D("fPtResEtaPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); |
235 | fPtResEtaPtTPCITS = new TH3D("fPtResEtaPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); | |
234cae2f | 236 | |
237 | fPtResCentPtTPC = new TH3D("fPtResCentPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); | |
c683985a | 238 | fPtResCentPtTPCc = new TH3D("fPtResCentPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); |
239 | fPtResCentPtTPCITS = new TH3D("fPtResCentPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); | |
240 | ||
234cae2f | 241 | |
c683985a | 242 | fOutput = new TList; |
243 | if(!fOutput) return; | |
244 | fOutput->SetOwner(); | |
245 | ||
246 | fOutput->Add(fPtResPhiPtTPC); | |
247 | fOutput->Add(fPtResPhiPtTPCc); | |
248 | fOutput->Add(fPtResPhiPtTPCITS); | |
249 | fOutput->Add(fPtResEtaPtTPC); | |
250 | fOutput->Add(fPtResEtaPtTPCc); | |
251 | fOutput->Add(fPtResEtaPtTPCITS); | |
252 | fOutput->Add(fPtResCentPtTPC); | |
253 | fOutput->Add(fPtResCentPtTPCc); | |
254 | fOutput->Add(fPtResCentPtTPCITS); | |
255 | ||
256 | // post data to outputs | |
257 | ||
258 | PostData(1,fV0Tree); | |
259 | PostData(2,fHighPtTree); | |
260 | PostData(3,fdEdxTree); | |
261 | PostData(4,fLaserTree); | |
262 | PostData(5,fMCEffTree); | |
263 | PostData(6,fCosmicPairsTree); | |
264 | ||
265 | PostData(7,fOutput); | |
266 | } | |
267 | ||
268 | //_____________________________________________________________________________ | |
269 | void AliAnalysisTaskFilteredTree::UserExec(Option_t *) | |
270 | { | |
271 | // | |
272 | // Called for each event | |
273 | // | |
274 | ||
275 | // ESD event | |
276 | fESD = (AliESDEvent*) (InputEvent()); | |
277 | if (!fESD) { | |
278 | Printf("ERROR: ESD event not available"); | |
279 | return; | |
280 | } | |
281 | ||
282 | //// MC event | |
283 | //if(fUseMCInfo) { | |
284 | // fMC = MCEvent(); | |
285 | // if (!fMC) { | |
286 | // Printf("ERROR: MC event not available"); | |
287 | // return; | |
288 | // } | |
289 | //} | |
234cae2f | 290 | |
c683985a | 291 | //if MC info available - use it. |
292 | fMC = MCEvent(); | |
293 | ||
294 | if(fUseESDfriends) { | |
234cae2f | 295 | //fESDfriend = dynamic_cast<AliESDfriend*>(fESD->FindListObject("AliESDfriend")); |
296 | fESDfriend = ESDfriend(); | |
297 | ||
298 | if(!fESDfriend) { | |
299 | Printf("ERROR: ESD friends not available"); | |
c683985a | 300 | } |
301 | } | |
302 | ||
303 | //if set, use the environment variables to set the downscaling factors | |
304 | //AliAnalysisTaskFilteredTree_fLowPtTrackDownscaligF | |
305 | //AliAnalysisTaskFilteredTree_fLowPtV0DownscaligF | |
306 | TString env; | |
307 | env = gSystem->Getenv("AliAnalysisTaskFilteredTree_fLowPtTrackDownscaligF"); | |
308 | if (!env.IsNull()) | |
309 | { | |
310 | fLowPtTrackDownscaligF=env.Atof(); | |
311 | AliInfo(Form("fLowPtTrackDownscaligF=%f",fLowPtTrackDownscaligF)); | |
312 | } | |
313 | env = gSystem->Getenv("AliAnalysisTaskFilteredTree_fLowPtV0DownscaligF"); | |
314 | if (!env.IsNull()) | |
315 | { | |
316 | fLowPtV0DownscaligF=env.Atof(); | |
317 | AliInfo(Form("fLowPtV0DownscaligF=%f",fLowPtTrackDownscaligF)); | |
318 | } | |
319 | ||
320 | // | |
321 | if(fProcessAll) { | |
322 | ProcessAll(fESD,fMC,fESDfriend); // all track stages and MC | |
323 | } | |
324 | else { | |
325 | Process(fESD,fMC,fESDfriend); // only global and TPC tracks | |
326 | } | |
327 | ||
328 | // | |
329 | ProcessV0(fESD,fMC,fESDfriend); | |
330 | ProcessLaser(fESD,fMC,fESDfriend); | |
331 | ProcessdEdx(fESD,fMC,fESDfriend); | |
332 | ||
234cae2f | 333 | if (fProcessCosmics) { ProcessCosmics(fESD,fESDfriend); } |
c683985a | 334 | if(fMC) { ProcessMCEff(fESD,fMC,fESDfriend);} |
335 | } | |
336 | ||
337 | //_____________________________________________________________________________ | |
234cae2f | 338 | void AliAnalysisTaskFilteredTree::ProcessCosmics(AliESDEvent *const event, AliESDfriend* esdFriend) |
c683985a | 339 | { |
340 | // | |
341 | // Select real events with high-pT tracks | |
342 | // | |
343 | if(!event) { | |
344 | AliDebug(AliLog::kError, "event not available"); | |
345 | return; | |
346 | } | |
347 | ||
348 | // | |
349 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
350 | if (!inputHandler) | |
351 | { | |
352 | Printf("ERROR: Could not receive input handler"); | |
353 | return; | |
354 | } | |
234cae2f | 355 | |
c683985a | 356 | // get file name |
357 | TTree *chain = (TChain*)GetInputData(0); | |
358 | if(!chain) { | |
359 | Printf("ERROR: Could not receive input chain"); | |
360 | return; | |
361 | } | |
362 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
363 | ||
364 | ||
234cae2f | 365 | // check for cosmic pairs |
366 | // | |
367 | // find cosmic pairs trigger by random trigger | |
368 | // | |
369 | // | |
370 | AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD(); | |
371 | AliESDVertex *vertexTPC = (AliESDVertex *)event->GetPrimaryVertexTPC(); | |
372 | const Double_t kMinPt=0.8; | |
373 | const Double_t kMinPtMax=0.8; | |
374 | const Double_t kMinNcl=50; | |
375 | const Double_t kMaxDelta[5]={2,600,0.02,0.02,0.1}; | |
376 | Int_t ntracks=event->GetNumberOfTracks(); | |
377 | // Float_t dcaTPC[2]={0,0}; | |
378 | // Float_t covTPC[3]={0,0,0}; | |
379 | ||
380 | UInt_t specie = event->GetEventSpecie(); // skip laser events | |
381 | if (specie==AliRecoParam::kCalib) return; | |
382 | ||
383 | ||
384 | ||
385 | for (Int_t itrack0=0;itrack0<ntracks;itrack0++) { | |
386 | AliESDtrack *track0 = event->GetTrack(itrack0); | |
387 | if (!track0) continue; | |
388 | if (!track0->IsOn(AliESDtrack::kTPCrefit)) continue; | |
389 | ||
390 | if (TMath::Abs(AliTracker::GetBz())>1 && track0->Pt() < kMinPt) continue; | |
391 | if (track0->Pt() < kMinPt) continue; | |
392 | if (track0->GetTPCncls() < kMinNcl) continue; | |
393 | if (TMath::Abs(track0->GetY())<kMaxDelta[0]) continue; | |
394 | if (track0->GetKinkIndex(0)>0) continue; | |
395 | const Double_t * par0=track0->GetParameter(); //track param at rhe DCA | |
396 | //rm primaries | |
c683985a | 397 | // |
234cae2f | 398 | //track0->GetImpactParametersTPC(dcaTPC,covTPC); |
399 | //if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue; | |
400 | //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue; | |
401 | // const AliExternalTrackParam * trackIn0 = track0->GetInnerParam(); | |
402 | Bool_t newFriendTrack0=kFALSE; | |
403 | AliESDfriendTrack* friendTrack0=NULL; | |
404 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack0 = esdFriend->GetTrack(itrack0);} //this guy can be NULL | |
405 | if (!friendTrack0) {friendTrack0=new AliESDfriendTrack(); newFriendTrack0=kTRUE;} | |
406 | ||
407 | for (Int_t itrack1=itrack0+1;itrack1<ntracks;itrack1++) { | |
408 | AliESDtrack *track1 = event->GetTrack(itrack1); | |
409 | if (!track1) continue; | |
410 | if (!track1->IsOn(AliESDtrack::kTPCrefit)) continue; | |
411 | if (track1->GetKinkIndex(0)>0) continue; | |
412 | if ((TMath::Abs(AliTracker::GetBz())>1) && (track1->Pt() < kMinPt)) continue; | |
413 | if (track1->Pt() < kMinPt) continue; | |
414 | if (track1->GetTPCncls()<kMinNcl) continue; | |
415 | if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Max(track1->Pt(), track0->Pt())<kMinPtMax) continue; | |
416 | if (TMath::Abs(track1->GetY())<kMaxDelta[0]) continue; | |
417 | //track1->GetImpactParametersTPC(dcaTPC,covTPC); | |
418 | // if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue; | |
c683985a | 419 | //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue; |
234cae2f | 420 | // |
421 | const Double_t* par1=track1->GetParameter(); //track param at rhe DCA | |
422 | // | |
423 | Bool_t isPair=kTRUE; | |
424 | for (Int_t ipar=0; ipar<5; ipar++){ | |
425 | if (ipar==4&&TMath::Abs(AliTracker::GetBz())<1) continue; // 1/pt not defined for B field off | |
426 | if (TMath::Abs(TMath::Abs(par0[ipar])-TMath::Abs(par1[ipar]))>kMaxDelta[ipar]) isPair=kFALSE; | |
427 | } | |
428 | if (!isPair) continue; | |
429 | if (TMath::Abs(TMath::Abs(track0->GetAlpha()-track1->GetAlpha())-TMath::Pi())>kMaxDelta[2]) isPair=kFALSE; | |
430 | //delta with correct sign | |
431 | /* | |
432 | TCut cut0="abs(t1.fP[0]+t0.fP[0])<2" | |
433 | TCut cut3="abs(t1.fP[3]+t0.fP[3])<0.02" | |
434 | TCut cut4="abs(t1.fP[4]+t0.fP[4])<0.2" | |
435 | */ | |
436 | if (TMath::Abs(par0[0]+par1[0])>kMaxDelta[0]) isPair=kFALSE; //delta y opposite sign | |
437 | if (TMath::Abs(par0[3]+par1[3])>kMaxDelta[3]) isPair=kFALSE; //delta tgl opposite sign | |
438 | if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Abs(par0[4]+par1[4])>kMaxDelta[4]) isPair=kFALSE; //delta 1/pt opposite sign | |
439 | if (!isPair) continue; | |
440 | TString filename(AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile()->GetName()); | |
441 | Int_t eventNumber = event->GetEventNumberInFile(); | |
442 | //Bool_t hasFriend = kFALSE; | |
443 | //Bool_t hasITS=(track0->GetNcls(0)+track1->GetNcls(0)>4); | |
444 | //printf("DUMPHPTCosmic:%s|%f|%d|%d|%d\n",filename.Data(),(TMath::Min(track0->Pt(),track1->Pt())), eventNumber,hasFriend,hasITS); | |
445 | // const AliExternalTrackParam * trackIn1 = track1->GetInnerParam(); | |
446 | // | |
447 | // | |
448 | Int_t ntracksSPD = vertexSPD->GetNContributors(); | |
449 | Int_t ntracksTPC = vertexTPC->GetNContributors(); | |
450 | Int_t runNumber = event->GetRunNumber(); | |
451 | Int_t timeStamp = event->GetTimeStamp(); | |
452 | ULong64_t triggerMask = event->GetTriggerMask(); | |
453 | Float_t magField = event->GetMagneticField(); | |
454 | TObjString triggerClass = event->GetFiredTriggerClasses().Data(); | |
455 | ||
b55a470b | 456 | // Global event id calculation using orbitID, bunchCrossingID and periodID |
457 | ULong64_t orbitID = (ULong64_t)event->GetOrbitNumber(); | |
458 | ULong64_t bunchCrossID = (ULong64_t)event->GetBunchCrossNumber(); | |
459 | ULong64_t periodID = (ULong64_t)event->GetPeriodNumber(); | |
460 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
461 | ||
234cae2f | 462 | // |
c683985a | 463 | // Dump to the tree |
464 | // vertex | |
465 | // TPC-ITS tracks | |
466 | // | |
467 | ||
468 | //fCosmicPairsTree->Branch("fileName",&fileName,32000,0); | |
469 | //fCosmicPairsTree->Branch("runNumber",&runNumber,"runNumber/I"); | |
470 | //fCosmicPairsTree->Branch("timeStamp",&timeStamp,"timeStamp/I"); | |
471 | //fCosmicPairsTree->Branch("eventNumber",&eventNumber,"eventNumber/I"); | |
472 | //fCosmicPairsTree->Branch("triggerMask",&triggerMask,32000,0); | |
473 | //fCosmicPairsTree->Branch("triggerClass",&triggerClass,32000,0); | |
474 | //fCosmicPairsTree->Branch("magField",&magField,"magField/F"); | |
475 | //fCosmicPairsTree->Branch("ntracksSPD",&ntracksSPD,"ntracksSPD/I"); | |
476 | //fCosmicPairsTree->Branch("ntracksTPC",&ntracksTPC,"ntracksTPC/I"); | |
477 | //fCosmicPairsTree->Branch("vertexSPD",vertexSPD,32000,0); | |
478 | //fCosmicPairsTree->Branch("vertexTPC",vertexTPC,32000,0); | |
479 | //fCosmicPairsTree->Branch("track0",track0,32000,0); | |
480 | //fCosmicPairsTree->Branch("track1",track1,32000,0); | |
481 | // | |
482 | //fCosmicPairsTree->Fill(); | |
483 | ||
234cae2f | 484 | Bool_t newFriendTrack1=kFALSE; |
485 | AliESDfriendTrack* friendTrack1=NULL; | |
486 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack1 = esdFriend->GetTrack(itrack1);} //this guy can be NULL | |
487 | if (!friendTrack1) {friendTrack1=new AliESDfriendTrack(); newFriendTrack1=kTRUE;} | |
488 | ||
c683985a | 489 | if(!fFillTree) return; |
490 | if(!fTreeSRedirector) return; | |
234cae2f | 491 | (*fTreeSRedirector)<<"CosmicPairs"<< |
b55a470b | 492 | "gid="<<gid<< |
234cae2f | 493 | "fileName.="<<&fileName<< // file name |
494 | "runNumber="<<runNumber<< // run number | |
495 | "evtTimeStamp="<<timeStamp<< // time stamp of event | |
496 | "evtNumberInFile="<<eventNumber<< // event number | |
497 | "trigger="<<triggerMask<< // trigger | |
498 | "triggerClass="<<&triggerClass<< // trigger | |
499 | "Bz="<<magField<< // magnetic field | |
500 | // | |
501 | "multSPD="<<ntracksSPD<< | |
502 | "multTPC="<<ntracksTPC<< | |
503 | "vertSPD.="<<vertexSPD<< //primary vertex -SPD | |
504 | "vertTPC.="<<vertexTPC<< //primary vertex -TPC | |
505 | "t0.="<<track0<< //track0 | |
506 | "t1.="<<track1<< //track1 | |
507 | "friendTrack0.="<<friendTrack0<< | |
508 | "friendTrack1.="<<friendTrack1<< | |
509 | "\n"; | |
510 | if (newFriendTrack1) {delete friendTrack1; friendTrack1=NULL;} | |
511 | } | |
512 | if (newFriendTrack0) {delete friendTrack0; friendTrack0=NULL;} | |
513 | } | |
c683985a | 514 | } |
515 | ||
516 | ||
517 | //_____________________________________________________________________________ | |
518 | void AliAnalysisTaskFilteredTree::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/) | |
519 | { | |
520 | // | |
521 | // Select real events with high-pT tracks | |
522 | // | |
523 | if(!esdEvent) { | |
524 | AliDebug(AliLog::kError, "esdEvent not available"); | |
525 | return; | |
526 | } | |
527 | ||
528 | // get selection cuts | |
529 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
530 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
531 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
532 | ||
533 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
534 | Printf("ERROR cuts not available"); | |
535 | return; | |
536 | } | |
537 | ||
538 | // trigger selection | |
539 | Bool_t isEventTriggered = kTRUE; | |
540 | AliPhysicsSelection *physicsSelection = NULL; | |
541 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
542 | ||
543 | // | |
544 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
545 | if (!inputHandler) | |
546 | { | |
547 | Printf("ERROR: Could not receive input handler"); | |
548 | return; | |
549 | } | |
234cae2f | 550 | |
c683985a | 551 | // get file name |
552 | TTree *chain = (TChain*)GetInputData(0); | |
553 | if(!chain) { | |
554 | Printf("ERROR: Could not receive input chain"); | |
555 | return; | |
556 | } | |
557 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
558 | ||
559 | // trigger | |
560 | if(evtCuts->IsTriggerRequired()) | |
561 | { | |
562 | // always MB | |
563 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
564 | ||
565 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
566 | if(!physicsSelection) return; | |
567 | //SetPhysicsTriggerSelection(physicsSelection); | |
568 | ||
569 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
570 | // set trigger (V0AND) | |
571 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
572 | if(!triggerAnalysis) return; | |
573 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
574 | } | |
575 | } | |
576 | ||
577 | // centrality determination | |
578 | Float_t centralityF = -1; | |
579 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
580 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
581 | ||
582 | // use MC information | |
583 | AliHeader* header = 0; | |
584 | AliGenEventHeader* genHeader = 0; | |
585 | AliStack* stack = 0; | |
586 | TArrayF vtxMC(3); | |
587 | ||
588 | Int_t multMCTrueTracks = 0; | |
589 | if(mcEvent) | |
590 | { | |
591 | // get MC event header | |
592 | header = mcEvent->Header(); | |
593 | if (!header) { | |
594 | AliDebug(AliLog::kError, "Header not available"); | |
595 | return; | |
596 | } | |
597 | // MC particle stack | |
598 | stack = mcEvent->Stack(); | |
599 | if (!stack) { | |
600 | AliDebug(AliLog::kError, "Stack not available"); | |
601 | return; | |
602 | } | |
603 | ||
604 | // get MC vertex | |
605 | genHeader = header->GenEventHeader(); | |
606 | if (!genHeader) { | |
607 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
608 | return; | |
609 | } | |
610 | genHeader->PrimaryVertex(vtxMC); | |
611 | ||
612 | // multipliticy of all MC primary tracks | |
613 | // in Zv, pt and eta ranges) | |
614 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
615 | } // end bUseMC | |
616 | ||
617 | // get reconstructed vertex | |
618 | //const AliESDVertex* vtxESD = 0; | |
619 | AliESDVertex* vtxESD = 0; | |
620 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 621 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 622 | } |
623 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 624 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 625 | } |
626 | else { | |
234cae2f | 627 | return; |
c683985a | 628 | } |
629 | ||
630 | AliESDVertex* vtxTPC = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); | |
631 | AliESDVertex* vtxSPD = (AliESDVertex*)esdEvent->GetPrimaryVertexSPD(); | |
632 | ||
633 | if(!vtxESD) return; | |
634 | if(!vtxTPC) return; | |
635 | if(!vtxSPD) return; | |
636 | ||
637 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
638 | //printf("isEventOK %d, isEventTriggered %d, status %d, vz %f \n",isEventOK, isEventTriggered, vtxESD->GetStatus(), vtxESD->GetZv()); | |
639 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
640 | Int_t ntracks = esdEvent->GetNumberOfTracks(); | |
641 | ||
642 | // check event cuts | |
643 | if(isEventOK && isEventTriggered) | |
644 | { | |
645 | ||
646 | // | |
647 | // get IR information | |
648 | // | |
649 | AliESDHeader *esdHeader = 0; | |
650 | esdHeader = esdEvent->GetHeader(); | |
651 | if(!esdHeader) return; | |
652 | //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s | |
653 | //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval | |
654 | ||
655 | // Use when Peter commit the changes in the header | |
656 | Int_t ir1 = 0; | |
657 | Int_t ir2 = 0; | |
658 | ||
659 | // | |
07aef7d1 | 660 | //Double_t vert[3] = {0}; |
661 | //vert[0] = vtxESD->GetXv(); | |
662 | //vert[1] = vtxESD->GetYv(); | |
663 | //vert[2] = vtxESD->GetZv(); | |
c683985a | 664 | Int_t mult = vtxESD->GetNContributors(); |
665 | Int_t multSPD = vtxSPD->GetNContributors(); | |
666 | Int_t multTPC = vtxTPC->GetNContributors(); | |
667 | ||
668 | Float_t bz = esdEvent->GetMagneticField(); | |
669 | Int_t runNumber = esdEvent->GetRunNumber(); | |
670 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
671 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
b55a470b | 672 | |
673 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
674 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
675 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
676 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
677 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
678 | ||
c683985a | 679 | |
680 | // high pT tracks | |
681 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
682 | { | |
683 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
684 | if(!track) continue; | |
685 | if(track->Charge()==0) continue; | |
686 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
687 | if(!accCuts->AcceptTrack(track)) continue; | |
234cae2f | 688 | |
c683985a | 689 | // downscale low-pT tracks |
690 | Double_t scalempt= TMath::Min(track->Pt(),10.); | |
691 | Double_t downscaleF = gRandom->Rndm(); | |
692 | downscaleF *= fLowPtTrackDownscaligF; | |
693 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
694 | //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
695 | ||
696 | AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam()); | |
697 | if (!tpcInner) continue; | |
698 | // transform to the track reference frame | |
699 | Bool_t isOK = kFALSE; | |
700 | isOK = tpcInner->Rotate(track->GetAlpha()); | |
701 | isOK = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
702 | if(!isOK) continue; | |
703 | ||
704 | // Dump to the tree | |
705 | // vertex | |
706 | // TPC-ITS tracks | |
707 | // | |
708 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
709 | ||
710 | //fHighPtTree->Branch("fileName",&fileName,32000,0); | |
711 | //fHighPtTree->Branch("runNumber",&runNumber,"runNumber/I"); | |
712 | //fHighPtTree->Branch("evtTimeStamp",&evtTimeStamp,"evtTimeStamp/I"); | |
713 | //fHighPtTree->Branch("evtNumberInFile",&evtNumberInFile,"evtNumberInFile/I"); | |
714 | //fHighPtTree->Branch("triggerClass",&triggerClass,32000,0); | |
715 | //fHighPtTree->Branch("Bz",&bz,"Bz/F"); | |
716 | //fHighPtTree->Branch("vtxESD",vtxESD,32000,0); | |
717 | //fHighPtTree->Branch("IRtot",&ir1,"IRtot/I"); | |
718 | //fHighPtTree->Branch("IRint2",&ir2,"IRint2/I"); | |
719 | //fHighPtTree->Branch("mult",&mult,"mult/I"); | |
720 | //fHighPtTree->Branch("esdTrack",track,32000,0); | |
721 | //fHighPtTree->Branch("centralityF",¢ralityF,"centralityF/F"); | |
722 | ||
723 | //fHighPtTree->Fill(); | |
724 | ||
725 | //Double_t vtxX=vtxESD->GetX(); | |
726 | //Double_t vtxY=vtxESD->GetY(); | |
727 | //Double_t vtxZ=vtxESD->GetZ(); | |
728 | if(!fFillTree) return; | |
729 | if(!fTreeSRedirector) return; | |
730 | (*fTreeSRedirector)<<"highPt"<< | |
b55a470b | 731 | "gid="<<gid<< |
c683985a | 732 | "fileName.="<<&fileName<< |
733 | "runNumber="<<runNumber<< | |
734 | "evtTimeStamp="<<evtTimeStamp<< | |
735 | "evtNumberInFile="<<evtNumberInFile<< | |
234cae2f | 736 | "triggerClass="<<&triggerClass<< // trigger |
c683985a | 737 | "Bz="<<bz<< // magnetic field |
738 | "vtxESD.="<<vtxESD<< | |
234cae2f | 739 | "ntracksESD="<<ntracks<< // number of tracks in the ESD |
740 | // "vtxESDx="<<vtxX<< | |
741 | // "vtxESDy="<<vtxY<< | |
742 | // "vtxESDz="<<vtxZ<< | |
743 | "IRtot="<<ir1<< // interaction record history info | |
744 | "IRint2="<<ir2<< | |
c683985a | 745 | "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex |
746 | "multSPD="<<multSPD<< // multiplicity of tracks pointing to the SPD primary vertex | |
747 | "multTPC="<<multTPC<< // multiplicity of tracks pointing to the TPC primary vertex | |
748 | "esdTrack.="<<track<< | |
749 | "centralityF="<<centralityF<< | |
750 | "\n"; | |
751 | } | |
752 | } | |
234cae2f | 753 | |
c683985a | 754 | } |
755 | ||
756 | ||
757 | //_____________________________________________________________________________ | |
234cae2f | 758 | void AliAnalysisTaskFilteredTree::ProcessLaser(AliESDEvent *const esdEvent, AliMCEvent * const /*mcEvent*/, AliESDfriend *const esdFriend) |
c683985a | 759 | { |
760 | // | |
761 | // Process laser events | |
762 | // | |
763 | if(!esdEvent) { | |
764 | AliDebug(AliLog::kError, "esdEvent not available"); | |
765 | return; | |
766 | } | |
767 | ||
768 | // get file name | |
769 | TTree *chain = (TChain*)GetInputData(0); | |
770 | if(!chain) { | |
771 | Printf("ERROR: Could not receive input chain"); | |
772 | return; | |
773 | } | |
774 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
775 | ||
234cae2f | 776 | if(!fFillTree) return; |
777 | if(!fTreeSRedirector) return; | |
778 | ||
c683985a | 779 | // laser events |
780 | const AliESDHeader* esdHeader = esdEvent->GetHeader(); | |
781 | if(esdHeader && esdHeader->GetEventSpecie()==AliRecoParam::kCalib) | |
782 | { | |
783 | Int_t countLaserTracks = 0; | |
234cae2f | 784 | Int_t runNumber = esdEvent->GetRunNumber(); |
785 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
786 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
787 | Float_t bz = esdEvent->GetMagneticField(); | |
788 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
b55a470b | 789 | |
790 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
791 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
792 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
793 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
794 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
234cae2f | 795 | |
c683985a | 796 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) |
797 | { | |
798 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
799 | if(!track) continue; | |
800 | ||
801 | if(track->GetTPCInnerParam()) countLaserTracks++; | |
234cae2f | 802 | |
803 | Bool_t newFriendTrack=kFALSE; | |
804 | AliESDfriendTrack* friendTrack=NULL; | |
805 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
806 | if (!friendTrack) {friendTrack=new AliESDfriendTrack(); newFriendTrack=kTRUE;} | |
807 | ||
c683985a | 808 | (*fTreeSRedirector)<<"Laser"<< |
b55a470b | 809 | "gid="<<gid<< |
c683985a | 810 | "fileName.="<<&fileName<< |
811 | "runNumber="<<runNumber<< | |
812 | "evtTimeStamp="<<evtTimeStamp<< | |
813 | "evtNumberInFile="<<evtNumberInFile<< | |
234cae2f | 814 | "triggerClass="<<&triggerClass<< // trigger |
c683985a | 815 | "Bz="<<bz<< |
816 | "multTPCtracks="<<countLaserTracks<< | |
234cae2f | 817 | "friendTrack.="<<friendTrack<< |
c683985a | 818 | "\n"; |
234cae2f | 819 | if (newFriendTrack) {delete friendTrack; friendTrack=NULL;} |
c683985a | 820 | } |
821 | } | |
822 | } | |
823 | ||
824 | //_____________________________________________________________________________ | |
825 | void AliAnalysisTaskFilteredTree::ProcessAll(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) | |
826 | { | |
827 | // | |
828 | // Select real events with high-pT tracks | |
829 | // Calculate and stor in the output tree: | |
830 | // TPC constrained tracks | |
831 | // InnerParams constrained tracks | |
832 | // TPC-ITS tracks | |
833 | // ITSout-InnerParams tracks | |
834 | // chi2 distance between TPC constrained and TPC-ITS tracks | |
835 | // chi2 distance between TPC refitted constrained and TPC-ITS tracks | |
836 | // chi2 distance between ITSout and InnerParams tracks | |
837 | // MC information: | |
838 | // track references at ITSin, TPCin; InnerParam at first TPC track reference, | |
839 | // particle ID, mother ID, production mechanism ... | |
840 | // | |
841 | ||
842 | if(!esdEvent) { | |
843 | AliDebug(AliLog::kError, "esdEvent not available"); | |
844 | return; | |
845 | } | |
846 | ||
847 | // get selection cuts | |
848 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
849 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
850 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
851 | ||
852 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
853 | AliDebug(AliLog::kError, "cuts not available"); | |
854 | return; | |
855 | } | |
856 | ||
857 | // trigger selection | |
858 | Bool_t isEventTriggered = kTRUE; | |
859 | AliPhysicsSelection *physicsSelection = NULL; | |
860 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
861 | ||
862 | // | |
863 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
864 | if (!inputHandler) | |
865 | { | |
866 | Printf("ERROR: Could not receive input handler"); | |
867 | return; | |
868 | } | |
234cae2f | 869 | |
c683985a | 870 | // get file name |
871 | TTree *chain = (TChain*)GetInputData(0); | |
872 | if(!chain) { | |
873 | Printf("ERROR: Could not receive input chain"); | |
874 | return; | |
875 | } | |
876 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
877 | ||
878 | // trigger | |
879 | if(evtCuts->IsTriggerRequired()) | |
880 | { | |
881 | // always MB | |
882 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
883 | ||
884 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
885 | if(!physicsSelection) {AliInfo("no physics selection"); return;} | |
886 | //SetPhysicsTriggerSelection(physicsSelection); | |
887 | ||
888 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
889 | // set trigger (V0AND) | |
890 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
891 | if(!triggerAnalysis) {AliInfo("no trigger analysis");return;} | |
892 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
893 | } | |
894 | } | |
895 | ||
896 | // centrality determination | |
897 | Float_t centralityF = -1; | |
898 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
899 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
900 | ||
901 | // use MC information | |
902 | AliHeader* header = 0; | |
903 | AliGenEventHeader* genHeader = 0; | |
904 | AliStack* stack = 0; | |
905 | TArrayF vtxMC(3); | |
906 | Int_t mcStackSize=0; | |
907 | ||
908 | Int_t multMCTrueTracks = 0; | |
909 | if(mcEvent) | |
910 | { | |
911 | // get MC event header | |
912 | header = mcEvent->Header(); | |
913 | if (!header) { | |
914 | AliDebug(AliLog::kError, "Header not available"); | |
915 | return; | |
916 | } | |
917 | // MC particle stack | |
918 | stack = mcEvent->Stack(); | |
919 | if (!stack) { | |
920 | AliDebug(AliLog::kError, "Stack not available"); | |
921 | return; | |
922 | } | |
923 | mcStackSize=stack->GetNtrack(); | |
924 | ||
925 | // get MC vertex | |
926 | genHeader = header->GenEventHeader(); | |
927 | if (!genHeader) { | |
928 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
929 | return; | |
930 | } | |
931 | genHeader->PrimaryVertex(vtxMC); | |
932 | ||
933 | // multipliticy of all MC primary tracks | |
934 | // in Zv, pt and eta ranges) | |
935 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
936 | ||
937 | } // end bUseMC | |
938 | ||
939 | // get reconstructed vertex | |
940 | //const AliESDVertex* vtxESD = 0; | |
941 | AliESDVertex* vtxESD = 0; | |
942 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 943 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 944 | } |
945 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 946 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 947 | } |
948 | else { | |
949 | AliInfo("no ESD vertex"); | |
234cae2f | 950 | return; |
c683985a | 951 | } |
952 | ||
953 | if(!vtxESD) return; | |
954 | ||
955 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
234cae2f | 956 | |
c683985a | 957 | // |
958 | // Vertex info comparison and track multiplicity | |
959 | // | |
960 | AliESDVertex *vertexSPD = (AliESDVertex *)esdEvent->GetPrimaryVertexSPD(); | |
961 | AliESDVertex *vertexTPC = (AliESDVertex *)esdEvent->GetPrimaryVertexTPC(); | |
962 | Int_t contSPD = vertexSPD->GetNContributors(); | |
963 | Int_t contTPC = vertexTPC->GetNContributors(); | |
964 | TVectorD vertexPosTPC(3), vertexPosSPD(3); | |
965 | vertexSPD->GetXYZ(vertexPosSPD.GetMatrixArray()); | |
966 | vertexTPC->GetXYZ(vertexPosTPC.GetMatrixArray()); | |
967 | Int_t ntracksTPC=0; | |
968 | Int_t ntracksITS=0; | |
969 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++){ | |
970 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
971 | if(!track) continue; | |
972 | if (track->IsOn(AliVTrack::kTPCrefit)) ntracksTPC++; | |
973 | if (track->IsOn(AliVTrack::kITSrefit)) ntracksITS++; | |
974 | } | |
234cae2f | 975 | |
c683985a | 976 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); |
977 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
978 | ||
979 | ||
980 | // check event cuts | |
981 | if(isEventOK && isEventTriggered) | |
982 | { | |
983 | // | |
984 | // get IR information | |
985 | // | |
986 | AliESDHeader *esdHeader = 0; | |
987 | esdHeader = esdEvent->GetHeader(); | |
988 | if(!esdHeader) {AliInfo("no esdHeader");return;} | |
989 | //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s | |
990 | //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval | |
991 | // | |
992 | Int_t ir1 = 0; | |
993 | Int_t ir2 = 0; | |
994 | ||
995 | // | |
996 | Double_t vert[3] = {0}; | |
997 | vert[0] = vtxESD->GetXv(); | |
998 | vert[1] = vtxESD->GetYv(); | |
999 | vert[2] = vtxESD->GetZv(); | |
1000 | Int_t mult = vtxESD->GetNContributors(); | |
1001 | Float_t bz = esdEvent->GetMagneticField(); | |
1002 | Int_t runNumber = esdEvent->GetRunNumber(); | |
1003 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
1004 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
1005 | ||
1006 | // high pT tracks | |
1007 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
1008 | { | |
1009 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
234cae2f | 1010 | AliESDfriendTrack* friendTrack=NULL; |
1011 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
c683985a | 1012 | if(!track) continue; |
1013 | if(track->Charge()==0) continue; | |
1014 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
1015 | if(!accCuts->AcceptTrack(track)) continue; | |
234cae2f | 1016 | |
c683985a | 1017 | // downscale low-pT tracks |
1018 | Double_t scalempt= TMath::Min(track->Pt(),10.); | |
1019 | Double_t downscaleF = gRandom->Rndm(); | |
1020 | downscaleF *= fLowPtTrackDownscaligF; | |
1021 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
1022 | //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
1023 | ||
1024 | // Dump to the tree | |
1025 | // vertex | |
1026 | // TPC constrained tracks | |
1027 | // InnerParams constrained tracks | |
1028 | // TPC-ITS tracks | |
1029 | // ITSout-InnerParams tracks | |
1030 | // chi2 distance between TPC constrained and TPC-ITS tracks | |
1031 | // chi2 distance between TPC refitted constrained and TPC-ITS tracks | |
1032 | // chi2 distance between ITSout and InnerParams tracks | |
1033 | // MC information | |
234cae2f | 1034 | |
c683985a | 1035 | Double_t x[3]; track->GetXYZ(x); |
1036 | Double_t b[3]; AliTracker::GetBxByBz(x,b); | |
1037 | ||
1038 | // | |
1039 | // Transform TPC inner params to track reference frame | |
1040 | // | |
1041 | Bool_t isOKtpcInner = kFALSE; | |
1042 | AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam()); | |
1043 | if (tpcInner) { | |
1044 | // transform to the track reference frame | |
1045 | isOKtpcInner = tpcInner->Rotate(track->GetAlpha()); | |
1046 | isOKtpcInner = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1047 | } | |
1048 | ||
1049 | // | |
1050 | // Constrain TPC inner to vertex | |
1051 | // clone TPCinner has to be deleted | |
1052 | // | |
1053 | Bool_t isOKtpcInnerC = kFALSE; | |
1054 | AliExternalTrackParam * tpcInnerC = new AliExternalTrackParam(*(track->GetTPCInnerParam())); | |
1055 | if (tpcInnerC) { | |
1056 | isOKtpcInnerC = ConstrainTPCInner(tpcInnerC,vtxESD,b); | |
1057 | isOKtpcInnerC = tpcInnerC->Rotate(track->GetAlpha()); | |
1058 | isOKtpcInnerC = tpcInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1059 | } | |
1060 | ||
1061 | // | |
1062 | // Constrain TPC refitted tracks at inner TPC wall (InnerParams) to vertex | |
1063 | // Clone track InnerParams has to be deleted | |
1064 | // | |
1065 | Bool_t isOKtrackInnerC = kFALSE; | |
1066 | AliExternalTrackParam * trackInnerC = new AliExternalTrackParam(*(track->GetInnerParam())); | |
1067 | if (trackInnerC) { | |
1068 | isOKtrackInnerC = ConstrainTrackInner(trackInnerC,vtxESD,track->GetMass(),b); | |
1069 | isOKtrackInnerC = trackInnerC->Rotate(track->GetAlpha()); | |
1070 | isOKtrackInnerC = trackInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1071 | } | |
234cae2f | 1072 | |
c683985a | 1073 | // |
1074 | // calculate chi2 between vi and vj vectors | |
1075 | // with covi and covj covariance matrices | |
1076 | // chi2ij = (vi-vj)^(T)*(covi+covj)^(-1)*(vi-vj) | |
1077 | // | |
1078 | TMatrixD deltaT(5,1), deltaTtrackC(5,1); | |
1079 | TMatrixD delta(1,5), deltatrackC(1,5); | |
1080 | TMatrixD covarM(5,5), covarMtrackC(5,5); | |
1081 | TMatrixD chi2(1,1); | |
1082 | TMatrixD chi2trackC(1,1); | |
1083 | ||
1084 | if(isOKtpcInnerC && isOKtrackInnerC) | |
1085 | { | |
1086 | for (Int_t ipar=0; ipar<5; ipar++) { | |
1087 | deltaT(ipar,0)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; | |
234cae2f | 1088 | delta(0,ipar)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; |
c683985a | 1089 | |
1090 | deltaTtrackC(ipar,0)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; | |
234cae2f | 1091 | deltatrackC(0,ipar)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; |
c683985a | 1092 | |
1093 | for (Int_t jpar=0; jpar<5; jpar++) { | |
234cae2f | 1094 | Int_t index=track->GetIndex(ipar,jpar); |
1095 | covarM(ipar,jpar)=track->GetCovariance()[index]+tpcInnerC->GetCovariance()[index]; | |
1096 | covarMtrackC(ipar,jpar)=track->GetCovariance()[index]+trackInnerC->GetCovariance()[index]; | |
c683985a | 1097 | } |
1098 | } | |
1099 | ||
1100 | // chi2 distance TPC constrained and TPC+ITS | |
1101 | TMatrixD covarMInv = covarM.Invert(); | |
1102 | TMatrixD mat2 = covarMInv*deltaT; | |
1103 | chi2 = delta*mat2; | |
1104 | //chi2.Print(); | |
1105 | ||
1106 | // chi2 distance TPC refitted constrained and TPC+ITS | |
1107 | TMatrixD covarMInvtrackC = covarMtrackC.Invert(); | |
1108 | TMatrixD mat2trackC = covarMInvtrackC*deltaTtrackC; | |
1109 | chi2trackC = deltatrackC*mat2trackC; | |
1110 | //chi2trackC.Print(); | |
1111 | } | |
1112 | ||
1113 | ||
1114 | // | |
1115 | // Propagate ITSout to TPC inner wall | |
1116 | // and calculate chi2 distance to track (InnerParams) | |
1117 | // | |
1118 | const Double_t kTPCRadius=85; | |
1119 | const Double_t kStep=3; | |
1120 | ||
1121 | // clone track InnerParams has to be deleted | |
1122 | Bool_t isOKtrackInnerC2 = kFALSE; | |
1123 | AliExternalTrackParam *trackInnerC2 = new AliExternalTrackParam(*(track->GetInnerParam())); | |
1124 | if (trackInnerC2) { | |
1125 | isOKtrackInnerC2 = AliTracker::PropagateTrackToBxByBz(trackInnerC2,kTPCRadius,track->GetMass(),kStep,kFALSE); | |
1126 | } | |
1127 | ||
1128 | Bool_t isOKouterITSc = kFALSE; | |
1129 | AliExternalTrackParam *outerITSc = NULL; | |
1130 | TMatrixD chi2OuterITS(1,1); | |
1131 | ||
234cae2f | 1132 | if(esdFriend && !esdFriend->TestSkipBit()) |
c683985a | 1133 | { |
1134 | // propagate ITSout to TPC inner wall | |
c683985a | 1135 | if(friendTrack) |
234cae2f | 1136 | { |
1137 | ||
1138 | outerITSc = NULL; | |
1139 | if (friendTrack->GetITSOut()) outerITSc = new AliExternalTrackParam(*(friendTrack->GetITSOut())); | |
c683985a | 1140 | if(outerITSc) |
234cae2f | 1141 | { |
c683985a | 1142 | isOKouterITSc = AliTracker::PropagateTrackToBxByBz(outerITSc,kTPCRadius,track->GetMass(),kStep,kFALSE); |
1143 | isOKouterITSc = outerITSc->Rotate(trackInnerC2->GetAlpha()); | |
1144 | isOKouterITSc = outerITSc->PropagateTo(trackInnerC2->GetX(),esdEvent->GetMagneticField()); | |
1145 | ||
234cae2f | 1146 | // |
c683985a | 1147 | // calculate chi2 between outerITS and innerParams |
234cae2f | 1148 | // cov without z-coordinate at the moment |
1149 | // | |
c683985a | 1150 | TMatrixD deltaTouterITS(4,1); |
1151 | TMatrixD deltaouterITS(1,4); | |
1152 | TMatrixD covarMouterITS(4,4); | |
1153 | ||
1154 | if(isOKtrackInnerC2 && isOKouterITSc) { | |
234cae2f | 1155 | Int_t kipar = 0; |
1156 | Int_t kjpar = 0; | |
c683985a | 1157 | for (Int_t ipar=0; ipar<5; ipar++) { |
234cae2f | 1158 | if(ipar!=1) { |
c683985a | 1159 | deltaTouterITS(kipar,0)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar]; |
234cae2f | 1160 | deltaouterITS(0,kipar)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar]; |
1161 | } | |
c683985a | 1162 | |
1163 | kjpar=0; | |
1164 | for (Int_t jpar=0; jpar<5; jpar++) { | |
234cae2f | 1165 | Int_t index=outerITSc->GetIndex(ipar,jpar); |
1166 | if(ipar !=1 || jpar!=1) { | |
1167 | covarMouterITS(kipar,kjpar)=outerITSc->GetCovariance()[index]+trackInnerC2->GetCovariance()[index]; | |
1168 | } | |
c683985a | 1169 | if(jpar!=1) kjpar++; |
234cae2f | 1170 | } |
1171 | if(ipar!=1) kipar++; | |
1172 | } | |
c683985a | 1173 | |
1174 | // chi2 distance ITSout and InnerParams | |
1175 | TMatrixD covarMInvouterITS = covarMouterITS.Invert(); | |
1176 | TMatrixD mat2outerITS = covarMInvouterITS*deltaTouterITS; | |
1177 | chi2OuterITS = deltaouterITS*mat2outerITS; | |
1178 | //chi2OuterITS.Print(); | |
234cae2f | 1179 | } |
c683985a | 1180 | } |
1181 | } | |
1182 | } | |
1183 | ||
1184 | // | |
1185 | // MC info | |
1186 | // | |
1187 | TParticle *particle=NULL, *particleTPC=NULL, *particleITS=NULL; | |
1188 | TParticle *particleMother=NULL, *particleMotherTPC=NULL, *particleMotherITS=NULL; | |
1189 | Int_t mech=-1, mechTPC=-1, mechITS=-1; | |
1190 | Bool_t isPrim=kFALSE, isPrimTPC=kFALSE, isPrimITS=kFALSE; | |
1191 | Bool_t isFromStrangess=kFALSE, isFromStrangessTPC=kFALSE, isFromStrangessITS=kFALSE; | |
1192 | Bool_t isFromConversion=kFALSE, isFromConversionTPC=kFALSE, isFromConversionITS=kFALSE; | |
1193 | Bool_t isFromMaterial=kFALSE, isFromMaterialTPC=kFALSE, isFromMaterialITS=kFALSE; | |
1194 | ||
1195 | AliTrackReference *refTPCIn = NULL; | |
1196 | AliTrackReference *refTPCOut = NULL; | |
1197 | AliTrackReference *refITS = NULL; | |
1198 | AliTrackReference *refTRD = NULL; | |
1199 | AliTrackReference *refTOF = NULL; | |
1200 | AliTrackReference *refEMCAL = NULL; | |
1201 | AliTrackReference *refPHOS = NULL; | |
1202 | Int_t nrefTPC=0, nrefTRD=0, nrefTOF=0, nrefITS=0, nrefEMCAL=0, nrefPHOS=0; | |
1203 | ||
1204 | Bool_t isOKtrackInnerC3 = kFALSE; | |
1205 | AliExternalTrackParam *trackInnerC3 = new AliExternalTrackParam(*(track->GetInnerParam())); | |
1206 | if(mcEvent) | |
1207 | { | |
1208 | if(!stack) return; | |
234cae2f | 1209 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); |
c683985a | 1210 | // |
1211 | // global track | |
234cae2f | 1212 | // |
c683985a | 1213 | Int_t label = TMath::Abs(track->GetLabel()); |
1214 | if (label >= mcStackSize) continue; | |
1215 | particle = stack->Particle(label); | |
1216 | if (!particle) continue; | |
1217 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0.) | |
234cae2f | 1218 | { |
1219 | particleMother = GetMother(particle,stack); | |
c683985a | 1220 | mech = particle->GetUniqueID(); |
1221 | isPrim = stack->IsPhysicalPrimary(label); | |
234cae2f | 1222 | isFromStrangess = IsFromStrangeness(label,stack); |
1223 | isFromConversion = IsFromConversion(label,stack); | |
c683985a | 1224 | isFromMaterial = IsFromMaterial(label,stack); |
234cae2f | 1225 | } |
c683985a | 1226 | |
1227 | // | |
234cae2f | 1228 | // TPC track |
1229 | // | |
1230 | Int_t labelTPC = TMath::Abs(track->GetTPCLabel()); | |
c683985a | 1231 | if (labelTPC >= mcStackSize) continue; |
1232 | particleTPC = stack->Particle(labelTPC); | |
1233 | if (!particleTPC) continue; | |
1234 | if(particleTPC && particleTPC->GetPDG() && particleTPC->GetPDG()->Charge()!=0.) | |
234cae2f | 1235 | { |
1236 | particleMotherTPC = GetMother(particleTPC,stack); | |
c683985a | 1237 | mechTPC = particleTPC->GetUniqueID(); |
1238 | isPrimTPC = stack->IsPhysicalPrimary(labelTPC); | |
234cae2f | 1239 | isFromStrangessTPC = IsFromStrangeness(labelTPC,stack); |
1240 | isFromConversionTPC = IsFromConversion(labelTPC,stack); | |
c683985a | 1241 | isFromMaterialTPC = IsFromMaterial(labelTPC,stack); |
234cae2f | 1242 | } |
c683985a | 1243 | |
1244 | // | |
1245 | // store first track reference | |
234cae2f | 1246 | // for TPC track |
1247 | // | |
c683985a | 1248 | TParticle *part=0; |
1249 | TClonesArray *trefs=0; | |
1250 | Int_t status = mcEvent->GetParticleAndTR(TMath::Abs(labelTPC), part, trefs); | |
1251 | ||
234cae2f | 1252 | if(status>0 && part && trefs && part->GetPDG() && part->GetPDG()->Charge()!=0.) |
1253 | { | |
1254 | Int_t nTrackRef = trefs->GetEntries(); | |
1255 | //printf("nTrackRef %d \n",nTrackRef); | |
c683985a | 1256 | |
1257 | Int_t countITS = 0; | |
234cae2f | 1258 | for (Int_t iref = 0; iref < nTrackRef; iref++) |
c683985a | 1259 | { |
1260 | AliTrackReference *ref = (AliTrackReference *)trefs->At(iref); | |
1261 | ||
234cae2f | 1262 | // Ref. in the middle ITS |
c683985a | 1263 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kITS) |
1264 | { | |
234cae2f | 1265 | nrefITS++; |
1266 | if(!refITS && countITS==2) { | |
1267 | refITS = ref; | |
1268 | //printf("refITS %p \n",refITS); | |
1269 | } | |
1270 | countITS++; | |
c683985a | 1271 | } |
1272 | ||
1273 | // TPC | |
1274 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTPC) | |
1275 | { | |
234cae2f | 1276 | nrefTPC++; |
1277 | refTPCOut=ref; | |
1278 | if(!refTPCIn) { | |
1279 | refTPCIn = ref; | |
1280 | //printf("refTPCIn %p \n",refTPCIn); | |
1281 | //break; | |
1282 | } | |
c683985a | 1283 | } |
1284 | // TRD | |
1285 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTRD) | |
1286 | { | |
234cae2f | 1287 | nrefTRD++; |
1288 | if(!refTRD) { | |
1289 | refTRD = ref; | |
1290 | } | |
c683985a | 1291 | } |
1292 | // TOF | |
1293 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTOF) | |
1294 | { | |
234cae2f | 1295 | nrefTOF++; |
1296 | if(!refTOF) { | |
1297 | refTOF = ref; | |
1298 | } | |
c683985a | 1299 | } |
1300 | // EMCAL | |
1301 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kEMCAL) | |
1302 | { | |
234cae2f | 1303 | nrefEMCAL++; |
1304 | if(!refEMCAL) { | |
1305 | refEMCAL = ref; | |
1306 | } | |
c683985a | 1307 | } |
1308 | // PHOS | |
234cae2f | 1309 | // if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kPHOS) |
1310 | // { | |
1311 | // nrefPHOS++; | |
1312 | // if(!refPHOS) { | |
1313 | // refPHOS = ref; | |
1314 | // } | |
1315 | // } | |
1316 | } | |
c683985a | 1317 | |
1318 | // transform inner params to TrackRef | |
234cae2f | 1319 | // reference frame |
c683985a | 1320 | if(refTPCIn && trackInnerC3) |
234cae2f | 1321 | { |
1322 | Double_t kRefPhi = TMath::ATan2(refTPCIn->Y(),refTPCIn->X()); | |
c683985a | 1323 | isOKtrackInnerC3 = trackInnerC3->Rotate(kRefPhi); |
1324 | isOKtrackInnerC3 = AliTracker::PropagateTrackToBxByBz(trackInnerC3,refTPCIn->R(),track->GetMass(),kStep,kFALSE); | |
234cae2f | 1325 | } |
c683985a | 1326 | } |
1327 | ||
1328 | // | |
234cae2f | 1329 | // ITS track |
1330 | // | |
1331 | Int_t labelITS = TMath::Abs(track->GetITSLabel()); | |
c683985a | 1332 | if (labelITS >= mcStackSize) continue; |
1333 | particleITS = stack->Particle(labelITS); | |
1334 | if (!particleITS) continue; | |
1335 | if(particleITS && particleITS->GetPDG() && particleITS->GetPDG()->Charge()!=0.) | |
234cae2f | 1336 | { |
1337 | particleMotherITS = GetMother(particleITS,stack); | |
c683985a | 1338 | mechITS = particleITS->GetUniqueID(); |
1339 | isPrimITS = stack->IsPhysicalPrimary(labelITS); | |
234cae2f | 1340 | isFromStrangessITS = IsFromStrangeness(labelITS,stack); |
1341 | isFromConversionITS = IsFromConversion(labelITS,stack); | |
c683985a | 1342 | isFromMaterialITS = IsFromMaterial(labelITS,stack); |
1343 | } | |
1344 | } | |
1345 | ||
1346 | // | |
1347 | Bool_t dumpToTree=kFALSE; | |
234cae2f | 1348 | |
c683985a | 1349 | if(isOKtpcInnerC && isOKtrackInnerC) dumpToTree = kTRUE; |
234cae2f | 1350 | //if(fUseESDfriends && isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE; |
1351 | if(isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE; | |
c683985a | 1352 | if(mcEvent && isOKtrackInnerC3) dumpToTree = kTRUE; |
1353 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
1354 | if (fReducePileUp){ | |
234cae2f | 1355 | // |
1356 | // 18.03 - Reduce pile-up chunks, done outside of the ESDTrackCuts for 2012/2013 data pile-up about 95 % of tracks | |
1357 | // Done only in case no MC info | |
1358 | // | |
1359 | Float_t dcaTPC[2]; | |
1360 | track->GetImpactParametersTPC(dcaTPC[0],dcaTPC[1]); | |
1361 | Bool_t isRoughPrimary = TMath::Abs(dcaTPC[1])<10; | |
1362 | Bool_t hasOuter=(track->IsOn(AliVTrack::kITSin))||(track->IsOn(AliVTrack::kTOFout))||(track->IsOn(AliVTrack::kTRDin)); | |
1363 | Bool_t keepPileUp=gRandom->Rndm()<0.05; | |
1364 | if ( (!hasOuter) && (!isRoughPrimary) && (!keepPileUp)){ | |
1365 | dumpToTree=kFALSE; | |
1366 | } | |
c683985a | 1367 | } |
1368 | ///////////////// | |
1369 | //book keeping of created dummy objects (to avoid NULL in trees) | |
1370 | Bool_t newvtxESD=kFALSE; | |
1371 | Bool_t newtrack=kFALSE; | |
1372 | Bool_t newtpcInnerC=kFALSE; | |
1373 | Bool_t newtrackInnerC=kFALSE; | |
1374 | Bool_t newtrackInnerC2=kFALSE; | |
1375 | Bool_t newouterITSc=kFALSE; | |
1376 | Bool_t newtrackInnerC3=kFALSE; | |
1377 | Bool_t newrefTPCIn=kFALSE; | |
1378 | Bool_t newrefITS=kFALSE; | |
1379 | Bool_t newparticle=kFALSE; | |
1380 | Bool_t newparticleMother=kFALSE; | |
1381 | Bool_t newparticleTPC=kFALSE; | |
1382 | Bool_t newparticleMotherTPC=kFALSE; | |
1383 | Bool_t newparticleITS=kFALSE; | |
1384 | Bool_t newparticleMotherITS=kFALSE; | |
234cae2f | 1385 | Bool_t newFriendTrack=kFALSE; |
1386 | ||
c683985a | 1387 | //check that the vertex is there and that it is OK, |
1388 | //i.e. no null member arrays, otherwise a problem with merging | |
1389 | //later on. | |
1390 | //this is a very ugly hack! | |
1391 | if (!vtxESD) | |
1392 | { | |
1393 | AliInfo("fixing the ESD vertex for streaming"); | |
1394 | vtxESD=new AliESDVertex(); | |
1395 | //vtxESD->SetNContributors(1); | |
1396 | //UShort_t pindices[1]; pindices[0]=0; | |
1397 | //vtxESD->SetIndices(1,pindices); | |
1398 | //vtxESD->SetNContributors(0); | |
1399 | newvtxESD=kTRUE; | |
1400 | } | |
1401 | // | |
1402 | if (!track) {track=new AliESDtrack();newtrack=kTRUE;} | |
234cae2f | 1403 | if (!friendTrack) {friendTrack=new AliESDfriendTrack(); newFriendTrack=kTRUE;} |
c683985a | 1404 | if (!tpcInnerC) {tpcInnerC=new AliExternalTrackParam();newtpcInnerC=kTRUE;} |
1405 | if (!trackInnerC) {trackInnerC=new AliExternalTrackParam();newtrackInnerC=kTRUE;} | |
1406 | if (!trackInnerC2) {trackInnerC2=new AliExternalTrackParam();newtrackInnerC2=kTRUE;} | |
1407 | if (!outerITSc) {outerITSc=new AliExternalTrackParam();newouterITSc=kTRUE;} | |
1408 | if (!trackInnerC3) {trackInnerC3=new AliExternalTrackParam();newtrackInnerC3=kTRUE;} | |
1409 | if (mcEvent) | |
1410 | { | |
1411 | if (!refTPCIn) {refTPCIn=new AliTrackReference(); newrefTPCIn=kTRUE;} | |
1412 | if (!refITS) {refITS=new AliTrackReference();newrefITS=kTRUE;} | |
1413 | if (!particle) {particle=new TParticle(); newparticle=kTRUE;} | |
1414 | if (!particleMother) {particleMother=new TParticle();newparticleMother=kTRUE;} | |
1415 | if (!particleTPC) {particleTPC=new TParticle();newparticleTPC=kTRUE;} | |
1416 | if (!particleMotherTPC) {particleMotherTPC=new TParticle();newparticleMotherTPC=kTRUE;} | |
1417 | if (!particleITS) {particleITS=new TParticle();newparticleITS=kTRUE;} | |
1418 | if (!particleMotherITS) {particleMotherITS=new TParticle();newparticleMotherITS=kTRUE;} | |
1419 | } | |
1420 | ///////////////////////// | |
1421 | ||
1422 | //Double_t vtxX=vtxESD->GetX(); | |
1423 | //Double_t vtxY=vtxESD->GetY(); | |
1424 | //Double_t vtxZ=vtxESD->GetZ(); | |
1425 | ||
07aef7d1 | 1426 | //AliESDVertex* pvtxESD = (AliESDVertex*)vtxESD->Clone(); |
1427 | //AliESDtrack* ptrack=(AliESDtrack*)track->Clone(); | |
1428 | //AliExternalTrackParam* ptpcInnerC = (AliExternalTrackParam*)tpcInnerC->Clone(); | |
1429 | //AliExternalTrackParam* ptrackInnerC = (AliExternalTrackParam*)trackInnerC->Clone(); | |
1430 | //AliExternalTrackParam* ptrackInnerC2 = (AliExternalTrackParam*)trackInnerC2->Clone(); | |
1431 | //AliExternalTrackParam* pouterITSc = (AliExternalTrackParam*)outerITSc->Clone(); | |
1432 | //AliExternalTrackParam* ptrackInnerC3 = (AliExternalTrackParam*)trackInnerC3->Clone(); | |
1433 | //AliESDVertex* pvtxESD = new AliESDVertex(*vtxESD); | |
1434 | //AliESDtrack* ptrack= new AliESDtrack(*track); | |
1435 | //AliExternalTrackParam* ptpcInnerC = new AliExternalTrackParam(*tpcInnerC); | |
1436 | //AliExternalTrackParam* ptrackInnerC = new AliExternalTrackParam(*trackInnerC); | |
1437 | //AliExternalTrackParam* ptrackInnerC2 = new AliExternalTrackParam(*trackInnerC2); | |
1438 | //AliExternalTrackParam* pouterITSc = new AliExternalTrackParam(*outerITSc); | |
1439 | //AliExternalTrackParam* ptrackInnerC3 = new AliExternalTrackParam(*trackInnerC3); | |
1440 | ||
c683985a | 1441 | Int_t ntracks = esdEvent->GetNumberOfTracks(); |
b55a470b | 1442 | |
1443 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
1444 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
1445 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
1446 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
1447 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
1448 | ||
c683985a | 1449 | // fill histograms |
07aef7d1 | 1450 | FillHistograms(track, tpcInnerC, centralityF, (Double_t)chi2(0,0)); |
c683985a | 1451 | |
1452 | if(fTreeSRedirector && dumpToTree && fFillTree) | |
1453 | { | |
1454 | ||
1455 | (*fTreeSRedirector)<<"highPt"<< | |
b55a470b | 1456 | "gid="<<gid<< |
234cae2f | 1457 | "fileName.="<<&fileName<< // name of the chunk file (hopefully full) |
1458 | "runNumber="<<runNumber<< // runNumber | |
1459 | "evtTimeStamp="<<evtTimeStamp<< // time stamp of event (in seconds) | |
1460 | "evtNumberInFile="<<evtNumberInFile<< // event number | |
1461 | "triggerClass="<<&triggerClass<< // trigger class as a string | |
1462 | "Bz="<<bz<< // solenoid magnetic field in the z direction (in kGaus) | |
1463 | "vtxESD.="<<vtxESD<< // vertexer ESD tracks (can be biased by TPC pileup tracks) | |
1464 | //"vtxESDx="<<vtxX<< | |
1465 | //"vtxESDy="<<vtxY<< | |
1466 | //"vtxESDz="<<vtxZ<< | |
1467 | "IRtot="<<ir1<< // interaction record (trigger) counters - coutner 1 | |
1468 | "IRint2="<<ir2<< // interaction record (trigger) coutners - counter 2 | |
1469 | "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex | |
1470 | "ntracks="<<ntracks<< // number of the esd tracks (to take into account the pileup in the TPC) | |
1471 | // important variables for the pile-up studies | |
1472 | "contTPC="<< contTPC<< // number of contributors to the TPC primary vertex candidate | |
1473 | "contSPD="<< contSPD<< // number of contributors to the SPD primary vertex candidate | |
1474 | "vertexPosTPC.="<<&vertexPosTPC<< // TPC vertex position | |
1475 | "vertexPosSPD.="<<&vertexPosSPD<< // SPD vertex position | |
1476 | "ntracksTPC="<<ntracksTPC<< // total number of the TPC tracks which were refitted | |
1477 | "ntracksITS="<<ntracksITS<< // total number of the ITS tracks which were refitted | |
1478 | // | |
1479 | "esdTrack.="<<track<< // esdTrack as used in the physical analysis | |
1480 | "friendTrack.="<<friendTrack<< // esdFriendTrack associated to the esdTrack | |
1481 | "extTPCInnerC.="<<tpcInnerC<< // ??? | |
1482 | "extInnerParamC.="<<trackInnerC<< // ??? | |
1483 | "extInnerParam.="<<trackInnerC2<< // ??? | |
1484 | "extOuterITS.="<<outerITSc<< // ??? | |
1485 | "extInnerParamRef.="<<trackInnerC3<< // ??? | |
1486 | "chi2TPCInnerC="<<chi2(0,0)<< // chi2 of tracks ??? | |
1487 | "chi2InnerC="<<chi2trackC(0,0)<< // chi2s of tracks TPCinner to the combined | |
1488 | "chi2OuterITS="<<chi2OuterITS(0,0)<< // chi2s of tracks TPC at inner wall to the ITSout | |
1489 | "centralityF="<<centralityF; | |
c683985a | 1490 | if (mcEvent) |
1491 | { | |
234cae2f | 1492 | AliTrackReference refDummy; |
1493 | if (!refITS) refITS = &refDummy; | |
1494 | if (!refTRD) refTRD = &refDummy; | |
1495 | if (!refTOF) refTOF = &refDummy; | |
1496 | if (!refEMCAL) refEMCAL = &refDummy; | |
1497 | if (!refPHOS) refPHOS = &refDummy; | |
c683985a | 1498 | (*fTreeSRedirector)<<"highPt"<< |
234cae2f | 1499 | "multMCTrueTracks="<<multMCTrueTracks<< // mC track multiplicities |
1500 | "nrefITS="<<nrefITS<< // number of track references in the ITS | |
1501 | "nrefTPC="<<nrefTPC<< // number of track references in the TPC | |
1502 | "nrefTRD="<<nrefTRD<< // number of track references in the TRD | |
1503 | "nrefTOF="<<nrefTOF<< // number of track references in the TOF | |
1504 | "nrefEMCAL="<<nrefEMCAL<< // number of track references in the TOF | |
1505 | "nrefPHOS="<<nrefPHOS<< // number of track references in the TOF | |
1506 | "refTPCIn.="<<refTPCIn<< | |
1507 | "refTPCOut.="<<refTPCOut<< | |
1508 | "refITS.="<<refITS<< | |
1509 | "refTRD.="<<refTRD<< | |
1510 | "refTOF.="<<refTOF<< | |
1511 | "refEMCAL.="<<refEMCAL<< | |
1512 | "refPHOS.="<<refPHOS<< | |
1513 | "particle.="<<particle<< | |
1514 | "particleMother.="<<particleMother<< | |
1515 | "mech="<<mech<< | |
1516 | "isPrim="<<isPrim<< | |
1517 | "isFromStrangess="<<isFromStrangess<< | |
1518 | "isFromConversion="<<isFromConversion<< | |
1519 | "isFromMaterial="<<isFromMaterial<< | |
1520 | "particleTPC.="<<particleTPC<< | |
1521 | "particleMotherTPC.="<<particleMotherTPC<< | |
1522 | "mechTPC="<<mechTPC<< | |
1523 | "isPrimTPC="<<isPrimTPC<< | |
1524 | "isFromStrangessTPC="<<isFromStrangessTPC<< | |
1525 | "isFromConversionTPC="<<isFromConversionTPC<< | |
1526 | "isFromMaterialTPC="<<isFromMaterialTPC<< | |
1527 | "particleITS.="<<particleITS<< | |
1528 | "particleMotherITS.="<<particleMotherITS<< | |
1529 | "mechITS="<<mechITS<< | |
1530 | "isPrimITS="<<isPrimITS<< | |
1531 | "isFromStrangessITS="<<isFromStrangessITS<< | |
1532 | "isFromConversionITS="<<isFromConversionITS<< | |
1533 | "isFromMaterialITS="<<isFromMaterialITS; | |
c683985a | 1534 | } |
1535 | //finish writing the entry | |
1536 | AliInfo("writing tree highPt"); | |
1537 | (*fTreeSRedirector)<<"highPt"<<"\n"; | |
1538 | } | |
1539 | ||
c683985a | 1540 | //////////////////// |
1541 | //delete the dummy objects we might have created. | |
1542 | if (newvtxESD) {delete vtxESD; vtxESD=NULL;} | |
1543 | if (newtrack) {delete track; track=NULL;} | |
234cae2f | 1544 | if (newFriendTrack) {delete friendTrack; friendTrack=NULL;} |
c683985a | 1545 | if (newtpcInnerC) {delete tpcInnerC; tpcInnerC=NULL;} |
1546 | if (newtrackInnerC) {delete trackInnerC; trackInnerC=NULL;} | |
1547 | if (newtrackInnerC2) {delete trackInnerC2; trackInnerC2=NULL;} | |
1548 | if (newouterITSc) {delete outerITSc; outerITSc=NULL;} | |
1549 | if (newtrackInnerC3) {delete trackInnerC3; trackInnerC3=NULL;} | |
1550 | if (newrefTPCIn) {delete refTPCIn; refTPCIn=NULL;} | |
1551 | if (newrefITS) {delete refITS; refITS=NULL;} | |
1552 | if (newparticle) {delete particle; particle=NULL;} | |
1553 | if (newparticleMother) {delete particleMother; particleMother=NULL;} | |
1554 | if (newparticleTPC) {delete particleTPC; particleTPC=NULL;} | |
1555 | if (newparticleMotherTPC) {delete particleMotherTPC; particleMotherTPC=NULL;} | |
1556 | if (newparticleITS) {delete particleITS; particleITS=NULL;} | |
1557 | if (newparticleMotherITS) {delete particleMotherITS; particleMotherITS=NULL;} | |
1558 | /////////////// | |
1559 | ||
1560 | delete tpcInnerC; | |
1561 | delete trackInnerC; | |
1562 | delete trackInnerC2; | |
1563 | delete outerITSc; | |
1564 | delete trackInnerC3; | |
1565 | } | |
1566 | } | |
1567 | ||
1568 | } | |
1569 | ||
1570 | ||
1571 | //_____________________________________________________________________________ | |
1572 | void AliAnalysisTaskFilteredTree::ProcessMCEff(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/) | |
1573 | { | |
1574 | // | |
1575 | // Fill tree for efficiency studies MC only | |
1576 | AliInfo("we start!"); | |
1577 | ||
1578 | if(!esdEvent) { | |
1579 | AliDebug(AliLog::kError, "esdEvent not available"); | |
1580 | return; | |
1581 | } | |
1582 | ||
1583 | if(!mcEvent) { | |
1584 | AliDebug(AliLog::kError, "mcEvent not available"); | |
1585 | return; | |
1586 | } | |
1587 | ||
1588 | // get selection cuts | |
1589 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
1590 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
1591 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
1592 | ||
1593 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
1594 | AliDebug(AliLog::kError, "cuts not available"); | |
1595 | return; | |
1596 | } | |
1597 | ||
1598 | // trigger selection | |
1599 | Bool_t isEventTriggered = kTRUE; | |
1600 | AliPhysicsSelection *physicsSelection = NULL; | |
1601 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
1602 | ||
1603 | // | |
1604 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
1605 | if (!inputHandler) | |
1606 | { | |
1607 | Printf("ERROR: Could not receive input handler"); | |
1608 | return; | |
1609 | } | |
1610 | ||
1611 | // get file name | |
1612 | TTree *chain = (TChain*)GetInputData(0); | |
1613 | if(!chain) { | |
1614 | Printf("ERROR: Could not receive input chain"); | |
1615 | return; | |
1616 | } | |
1617 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
1618 | ||
1619 | // trigger | |
1620 | if(evtCuts->IsTriggerRequired()) | |
1621 | { | |
1622 | // always MB | |
1623 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
1624 | ||
1625 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
1626 | if(!physicsSelection) return; | |
1627 | ||
1628 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
1629 | // set trigger (V0AND) | |
1630 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
1631 | if(!triggerAnalysis) return; | |
1632 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
1633 | } | |
1634 | } | |
1635 | ||
1636 | // centrality determination | |
1637 | Float_t centralityF = -1; | |
1638 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
1639 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
1640 | ||
1641 | // use MC information | |
1642 | AliHeader* header = 0; | |
1643 | AliGenEventHeader* genHeader = 0; | |
1644 | AliStack* stack = 0; | |
1645 | Int_t mcStackSize=0; | |
1646 | TArrayF vtxMC(3); | |
1647 | ||
1648 | Int_t multMCTrueTracks = 0; | |
1649 | // | |
1650 | if(!mcEvent) { | |
1651 | AliDebug(AliLog::kError, "mcEvent not available"); | |
1652 | return; | |
1653 | } | |
1654 | // get MC event header | |
1655 | header = mcEvent->Header(); | |
1656 | if (!header) { | |
1657 | AliDebug(AliLog::kError, "Header not available"); | |
1658 | return; | |
1659 | } | |
1660 | // MC particle stack | |
1661 | stack = mcEvent->Stack(); | |
1662 | if (!stack) { | |
1663 | AliDebug(AliLog::kError, "Stack not available"); | |
1664 | return; | |
1665 | } | |
1666 | mcStackSize=stack->GetNtrack(); | |
1667 | ||
1668 | // get MC vertex | |
1669 | genHeader = header->GenEventHeader(); | |
1670 | if (!genHeader) { | |
1671 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
1672 | return; | |
1673 | } | |
1674 | genHeader->PrimaryVertex(vtxMC); | |
1675 | ||
1676 | // multipliticy of all MC primary tracks | |
1677 | // in Zv, pt and eta ranges) | |
1678 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
1679 | ||
1680 | ||
1681 | // get reconstructed vertex | |
1682 | //const AliESDVertex* vtxESD = 0; | |
1683 | AliESDVertex* vtxESD = 0; | |
1684 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
1685 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); | |
1686 | } | |
1687 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
1688 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); | |
1689 | } | |
1690 | else { | |
1691 | return; | |
1692 | } | |
1693 | ||
1694 | if(!vtxESD) return; | |
1695 | // | |
1696 | // Vertex info comparison and track multiplicity | |
1697 | // | |
1698 | AliESDVertex *vertexSPD = (AliESDVertex *)esdEvent->GetPrimaryVertexSPD(); | |
1699 | AliESDVertex *vertexTPC = (AliESDVertex *)esdEvent->GetPrimaryVertexTPC(); | |
1700 | Int_t contSPD = vertexSPD->GetNContributors(); | |
1701 | Int_t contTPC = vertexTPC->GetNContributors(); | |
1702 | TVectorD vertexPosTPC(3), vertexPosSPD(3); | |
1703 | vertexSPD->GetXYZ(vertexPosSPD.GetMatrixArray()); | |
1704 | vertexTPC->GetXYZ(vertexPosTPC.GetMatrixArray()); | |
1705 | Int_t ntracksTPC=0; | |
1706 | Int_t ntracksITS=0; | |
1707 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++){ | |
1708 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
1709 | if(!track) continue; | |
1710 | if (track->IsOn(AliVTrack::kTPCrefit)) ntracksTPC++; | |
1711 | if (track->IsOn(AliVTrack::kITSrefit)) ntracksITS++; | |
1712 | } | |
1713 | ||
1714 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
1715 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
1716 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
1717 | ||
1718 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
1719 | ||
1720 | // check event cuts | |
1721 | if(isEventOK && isEventTriggered) | |
1722 | { | |
1723 | //if(!stack) return; | |
1724 | ||
1725 | // | |
1726 | // MC info | |
1727 | // | |
1728 | TParticle *particle=NULL; | |
1729 | TParticle *particleMother=NULL; | |
1730 | Int_t mech=-1; | |
1731 | ||
1732 | // reco event info | |
1733 | Double_t vert[3] = {0}; | |
1734 | vert[0] = vtxESD->GetXv(); | |
1735 | vert[1] = vtxESD->GetYv(); | |
1736 | vert[2] = vtxESD->GetZv(); | |
1737 | Int_t mult = vtxESD->GetNContributors(); | |
1738 | Double_t bz = esdEvent->GetMagneticField(); | |
1739 | Double_t runNumber = esdEvent->GetRunNumber(); | |
1740 | Double_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
1741 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
234cae2f | 1742 | // loop over MC stack |
c683985a | 1743 | for (Int_t iMc = 0; iMc < mcStackSize; ++iMc) |
1744 | { | |
1745 | particle = stack->Particle(iMc); | |
1746 | if (!particle) | |
1747 | continue; | |
1748 | ||
1749 | // only charged particles | |
1750 | if(!particle->GetPDG()) continue; | |
1751 | Double_t charge = particle->GetPDG()->Charge()/3.; | |
1752 | if (TMath::Abs(charge) < 0.001) | |
1753 | continue; | |
1754 | ||
1755 | // only primary particles | |
1756 | Bool_t prim = stack->IsPhysicalPrimary(iMc); | |
1757 | if(!prim) continue; | |
1758 | ||
1759 | // downscale low-pT particles | |
1760 | Double_t scalempt= TMath::Min(particle->Pt(),10.); | |
1761 | Double_t downscaleF = gRandom->Rndm(); | |
1762 | downscaleF *= fLowPtTrackDownscaligF; | |
1763 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
1764 | ||
1765 | // is particle in acceptance | |
1766 | if(!accCuts->AcceptTrack(particle)) continue; | |
1767 | ||
1768 | // check if particle reconstructed | |
1769 | Bool_t isRec = kFALSE; | |
1770 | Int_t trackIndex = -1; | |
1771 | Int_t trackLoopIndex = -1; | |
1772 | Int_t isESDtrackCut= 0; | |
1773 | Int_t isAccCuts = 0; | |
1774 | Int_t nRec = 0; // how many times reconstructed | |
1775 | Int_t nFakes = 0; // how many times reconstructed as a fake track | |
1776 | AliESDtrack *recTrack = NULL; | |
1777 | ||
1778 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
1779 | { | |
1780 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
1781 | if(!track) continue; | |
1782 | if(track->Charge()==0) continue; | |
234cae2f | 1783 | // |
1784 | Int_t label = TMath::Abs(track->GetLabel()); | |
1785 | if (label >= mcStackSize) continue; | |
1786 | if(label == iMc) { | |
1787 | Bool_t isAcc=esdTrackCuts->AcceptTrack(track); | |
1788 | if (isAcc) isESDtrackCut=1; | |
1789 | if (accCuts->AcceptTrack(track)) isAccCuts=1; | |
1790 | isRec = kTRUE; | |
c683985a | 1791 | trackIndex = iTrack; |
1792 | ||
234cae2f | 1793 | if (recTrack){ |
1794 | if (track->GetTPCncls()<recTrack->GetTPCncls()) continue; // in case looper tracks use longer track | |
1795 | if (!isAcc) continue; | |
1796 | trackLoopIndex = iTrack; | |
1797 | } | |
1798 | recTrack = esdEvent->GetTrack(trackIndex); | |
c683985a | 1799 | nRec++; |
1800 | if(track->GetLabel()<0) nFakes++; | |
1801 | ||
234cae2f | 1802 | continue; |
1803 | } | |
c683985a | 1804 | } |
234cae2f | 1805 | |
c683985a | 1806 | // Store information in the output tree |
1807 | if (trackLoopIndex>-1) { | |
1808 | recTrack = esdEvent->GetTrack(trackLoopIndex); | |
1809 | } else if (trackIndex >-1) { | |
1810 | recTrack = esdEvent->GetTrack(trackIndex); | |
1811 | } else { | |
1812 | recTrack = new AliESDtrack(); | |
1813 | } | |
1814 | ||
1815 | particleMother = GetMother(particle,stack); | |
1816 | mech = particle->GetUniqueID(); | |
1817 | ||
1818 | //MC particle track length | |
1819 | Double_t tpcTrackLength = 0.; | |
1820 | AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(iMc); | |
1821 | if(mcParticle) { | |
1822 | Int_t counter; | |
1823 | tpcTrackLength = mcParticle->GetTPCTrackLength(bz,0.05,counter,3.0); | |
1824 | } | |
1825 | ||
1826 | ||
1827 | // | |
1828 | if(fTreeSRedirector && fFillTree) { | |
1829 | (*fTreeSRedirector)<<"MCEffTree"<< | |
1830 | "fileName.="<<&fileName<< | |
1831 | "triggerClass.="<<&triggerClass<< | |
1832 | "runNumber="<<runNumber<< | |
1833 | "evtTimeStamp="<<evtTimeStamp<< | |
1834 | "evtNumberInFile="<<evtNumberInFile<< // | |
1835 | "Bz="<<bz<< // magnetic field | |
1836 | "vtxESD.="<<vtxESD<< // vertex info | |
234cae2f | 1837 | // |
c683985a | 1838 | "mult="<<mult<< // primary vertex 9whatewe found) multiplicity |
234cae2f | 1839 | "multMCTrueTracks="<<multMCTrueTracks<< // mC track multiplicities |
1840 | // important variables for the pile-up studies | |
1841 | "contTPC="<< contTPC<< // number of contributors to the TPC primary vertex candidate | |
1842 | "contSPD="<< contSPD<< // number of contributors to the SPD primary vertex candidate | |
1843 | "vertexPosTPC.="<<&vertexPosTPC<< // TPC vertex position | |
1844 | "vertexPosSPD.="<<&vertexPosSPD<< // SPD vertex position | |
1845 | "ntracksTPC="<<ntracksTPC<< // total number of the TPC tracks which were refitted | |
1846 | "ntracksITS="<<ntracksITS<< // total number of the ITS tracks which were refitted | |
1847 | // | |
1848 | // | |
1849 | "isAcc0="<<isESDtrackCut<< // track accepted by ESD track cuts | |
1850 | "isAcc1="<<isAccCuts<< // track accepted by acceptance cuts flag | |
c683985a | 1851 | "esdTrack.="<<recTrack<< // reconstructed track (only the longest from the loopers) |
1852 | "isRec="<<isRec<< // track was reconstructed | |
1853 | "tpcTrackLength="<<tpcTrackLength<< // track length in the TPC r projection | |
1854 | "particle.="<<particle<< // particle properties | |
1855 | "particleMother.="<<particleMother<< // particle mother | |
1856 | "mech="<<mech<< // production mechanizm | |
1857 | "nRec="<<nRec<< // how many times reconstruted | |
1858 | "nFakes="<<nFakes<< // how many times reconstructed as a fake track | |
1859 | "\n"; | |
1860 | } | |
1861 | ||
1862 | if(trackIndex <0 && recTrack) delete recTrack; recTrack=0; | |
1863 | } | |
1864 | } | |
1865 | ||
1866 | } | |
1867 | ||
1868 | //_____________________________________________________________________________ | |
1869 | Bool_t AliAnalysisTaskFilteredTree::IsHighDeDxParticle(AliESDtrack * track) { | |
1870 | // | |
1871 | // check if particle is Z > 1 | |
1872 | // | |
1873 | if (track->GetTPCNcls() < 60) return kFALSE; | |
1874 | Double_t mom = track->GetInnerParam()->GetP(); | |
1875 | if (mom < 0.2) return kFALSE; // protection against unexpected behavior of Aleph parameterization | |
1876 | Float_t dca[2], bCov[3]; | |
1877 | track->GetImpactParameters(dca,bCov); | |
1878 | // | |
1879 | ||
1880 | Double_t triggerDeDx = 4*AliExternalTrackParam::BetheBlochAleph((mom*2)/(0.938*3),1.0288,31.9806,5.04114e-11,2.13096,2.38541); | |
1881 | ||
1882 | if (track->GetTPCsignal() > triggerDeDx && track->GetTPCsignal()<1000 && TMath::Abs(dca[0])<3.) return kTRUE; | |
1883 | ||
1884 | return kFALSE; | |
1885 | } | |
1886 | ||
1887 | //_____________________________________________________________________________ | |
234cae2f | 1888 | void AliAnalysisTaskFilteredTree::ProcessV0(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) |
c683985a | 1889 | { |
1890 | // | |
1891 | // Select real events with V0 (K0s and Lambda and Gamma) high-pT candidates | |
1892 | // | |
1893 | if(!esdEvent) { | |
1894 | AliDebug(AliLog::kError, "esdEvent not available"); | |
1895 | return; | |
1896 | } | |
1897 | ||
1898 | // get selection cuts | |
1899 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
1900 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
1901 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
1902 | ||
1903 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
1904 | AliDebug(AliLog::kError, "cuts not available"); | |
1905 | return; | |
1906 | } | |
1907 | ||
1908 | // trigger selection | |
1909 | Bool_t isEventTriggered = kTRUE; | |
1910 | AliPhysicsSelection *physicsSelection = NULL; | |
1911 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
1912 | ||
1913 | // | |
1914 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
1915 | if (!inputHandler) | |
1916 | { | |
1917 | Printf("ERROR: Could not receive input handler"); | |
1918 | return; | |
1919 | } | |
234cae2f | 1920 | |
c683985a | 1921 | // get file name |
1922 | TTree *chain = (TChain*)GetInputData(0); | |
1923 | if(!chain) { | |
1924 | Printf("ERROR: Could not receive input chain"); | |
1925 | return; | |
1926 | } | |
1927 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
1928 | ||
1929 | // trigger | |
1930 | if(evtCuts->IsTriggerRequired()) | |
1931 | { | |
1932 | // always MB | |
1933 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
1934 | ||
1935 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
1936 | if(!physicsSelection) return; | |
1937 | //SetPhysicsTriggerSelection(physicsSelection); | |
1938 | ||
1939 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
1940 | // set trigger (V0AND) | |
1941 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
1942 | if(!triggerAnalysis) return; | |
1943 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
1944 | } | |
1945 | } | |
1946 | ||
1947 | // centrality determination | |
1948 | Float_t centralityF = -1; | |
1949 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
1950 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
1951 | ||
1952 | ||
1953 | // get reconstructed vertex | |
1954 | //const AliESDVertex* vtxESD = 0; | |
1955 | AliESDVertex* vtxESD = 0; | |
1956 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 1957 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 1958 | } |
1959 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 1960 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 1961 | } |
1962 | else { | |
234cae2f | 1963 | return; |
c683985a | 1964 | } |
1965 | ||
1966 | if(!vtxESD) return; | |
1967 | ||
1968 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
1969 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
1970 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
1971 | ||
1972 | // check event cuts | |
1973 | if(isEventOK && isEventTriggered) { | |
c683985a | 1974 | // |
234cae2f | 1975 | // Dump the pt downscaled V0 into the tree |
1976 | // | |
1977 | Int_t ntracks = esdEvent->GetNumberOfTracks(); | |
1978 | Int_t nV0s = esdEvent->GetNumberOfV0s(); | |
1979 | Int_t run = esdEvent->GetRunNumber(); | |
1980 | Int_t time= esdEvent->GetTimeStamp(); | |
1981 | Int_t evNr=esdEvent->GetEventNumberInFile(); | |
1982 | Double_t bz = esdEvent->GetMagneticField(); | |
c683985a | 1983 | |
b55a470b | 1984 | // Global event id calculation using orbitID, bunchCrossingID and periodID |
1985 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
1986 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
1987 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
1988 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
1989 | ||
234cae2f | 1990 | |
1991 | for (Int_t iv0=0; iv0<nV0s; iv0++){ | |
1992 | ||
1993 | AliESDv0 * v0 = esdEvent->GetV0(iv0); | |
1994 | if (!v0) continue; | |
1995 | AliESDtrack * track0 = esdEvent->GetTrack(v0->GetIndex(0)); | |
1996 | AliESDtrack * track1 = esdEvent->GetTrack(v0->GetIndex(1)); | |
1997 | if (!track0) continue; | |
1998 | if (!track1) continue; | |
1999 | AliESDfriendTrack* friendTrack0=NULL; | |
2000 | AliESDfriendTrack* friendTrack1=NULL; | |
2001 | if (esdFriend) | |
2002 | { | |
2003 | if (!esdFriend->TestSkipBit()) | |
2004 | { | |
2005 | friendTrack0 = esdFriend->GetTrack(v0->GetIndex(0)); //this guy can be NULL | |
2006 | friendTrack1 = esdFriend->GetTrack(v0->GetIndex(1)); //this guy can be NULL | |
2007 | } | |
2008 | } | |
2009 | Bool_t newFriendTrack0=kFALSE; | |
2010 | Bool_t newFriendTrack1=kFALSE; | |
2011 | if (!friendTrack0) {friendTrack0=new AliESDfriendTrack(); newFriendTrack0=kTRUE;} | |
2012 | if (!friendTrack1) {friendTrack1=new AliESDfriendTrack(); newFriendTrack1=kTRUE;} | |
2013 | if (track0->GetSign()<0) { | |
2014 | track1 = esdEvent->GetTrack(v0->GetIndex(0)); | |
2015 | track0 = esdEvent->GetTrack(v0->GetIndex(1)); | |
2016 | } | |
2017 | // | |
2018 | Bool_t isDownscaled = IsV0Downscaled(v0); | |
2019 | if (isDownscaled) continue; | |
2020 | AliKFParticle kfparticle; // | |
2021 | Int_t type=GetKFParticle(v0,esdEvent,kfparticle); | |
2022 | if (type==0) continue; | |
2023 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
2024 | ||
2025 | if(!fFillTree) return; | |
2026 | if(!fTreeSRedirector) return; | |
2027 | (*fTreeSRedirector)<<"V0s"<< | |
b55a470b | 2028 | "gid="<<gid<< |
234cae2f | 2029 | "isDownscaled="<<isDownscaled<< |
2030 | "triggerClass="<<&triggerClass<< // trigger | |
2031 | "Bz="<<bz<< | |
2032 | "fileName.="<<&fileName<< | |
2033 | "runNumber="<<run<< | |
2034 | "evtTimeStamp="<<time<< | |
2035 | "evtNumberInFile="<<evNr<< | |
2036 | "type="<<type<< | |
2037 | "ntracks="<<ntracks<< | |
2038 | "v0.="<<v0<< | |
2039 | "kf.="<<&kfparticle<< | |
2040 | "track0.="<<track0<< | |
2041 | "track1.="<<track1<< | |
2042 | "friendTrack0.="<<friendTrack0<< | |
2043 | "friendTrack1.="<<friendTrack1<< | |
2044 | "centralityF="<<centralityF<< | |
2045 | "\n"; | |
2046 | if (newFriendTrack0) {delete friendTrack0;} | |
2047 | if (newFriendTrack1) {delete friendTrack1;} | |
2048 | } | |
c683985a | 2049 | } |
2050 | } | |
2051 | ||
2052 | //_____________________________________________________________________________ | |
234cae2f | 2053 | void AliAnalysisTaskFilteredTree::ProcessdEdx(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) |
c683985a | 2054 | { |
2055 | // | |
2056 | // Select real events with large TPC dEdx signal | |
2057 | // | |
2058 | if(!esdEvent) { | |
2059 | AliDebug(AliLog::kError, "esdEvent not available"); | |
2060 | return; | |
2061 | } | |
2062 | ||
2063 | // get selection cuts | |
2064 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
2065 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
2066 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
2067 | ||
2068 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
2069 | AliDebug(AliLog::kError, "cuts not available"); | |
2070 | return; | |
2071 | } | |
2072 | ||
2073 | // get file name | |
2074 | TTree *chain = (TChain*)GetInputData(0); | |
2075 | if(!chain) { | |
2076 | Printf("ERROR: Could not receive input chain"); | |
2077 | return; | |
2078 | } | |
2079 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
2080 | ||
2081 | // trigger | |
2082 | Bool_t isEventTriggered = kTRUE; | |
2083 | AliPhysicsSelection *physicsSelection = NULL; | |
2084 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
2085 | ||
2086 | // | |
2087 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
2088 | if (!inputHandler) | |
2089 | { | |
2090 | Printf("ERROR: Could not receive input handler"); | |
2091 | return; | |
2092 | } | |
2093 | ||
2094 | if(evtCuts->IsTriggerRequired()) | |
2095 | { | |
2096 | // always MB | |
2097 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
2098 | ||
2099 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
2100 | if(!physicsSelection) return; | |
2101 | ||
2102 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
2103 | // set trigger (V0AND) | |
2104 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
2105 | if(!triggerAnalysis) return; | |
2106 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
2107 | } | |
2108 | } | |
2109 | ||
2110 | // get reconstructed vertex | |
2111 | AliESDVertex* vtxESD = 0; | |
2112 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 2113 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 2114 | } |
2115 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 2116 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 2117 | } |
2118 | else { | |
234cae2f | 2119 | return; |
c683985a | 2120 | } |
2121 | if(!vtxESD) return; | |
2122 | ||
2123 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
2124 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
2125 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
2126 | ||
2127 | ||
2128 | // check event cuts | |
2129 | if(isEventOK && isEventTriggered) | |
2130 | { | |
2131 | Double_t vert[3] = {0}; | |
2132 | vert[0] = vtxESD->GetXv(); | |
2133 | vert[1] = vtxESD->GetYv(); | |
2134 | vert[2] = vtxESD->GetZv(); | |
2135 | Int_t mult = vtxESD->GetNContributors(); | |
2136 | Double_t bz = esdEvent->GetMagneticField(); | |
2137 | Double_t runNumber = esdEvent->GetRunNumber(); | |
2138 | Double_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
2139 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
b55a470b | 2140 | |
2141 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
2142 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
2143 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
2144 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
2145 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
2146 | ||
c683985a | 2147 | // large dEdx |
2148 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
2149 | { | |
2150 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
2151 | if(!track) continue; | |
234cae2f | 2152 | Bool_t newFriendTrack=kFALSE; |
2153 | AliESDfriendTrack* friendTrack=NULL; | |
2154 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
2155 | if (!friendTrack) {friendTrack=new AliESDfriendTrack(); newFriendTrack=kTRUE;} | |
c683985a | 2156 | if(track->Charge()==0) continue; |
2157 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
2158 | if(!accCuts->AcceptTrack(track)) continue; | |
2159 | ||
2160 | if(!IsHighDeDxParticle(track)) continue; | |
2161 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
2162 | ||
2163 | if(!fFillTree) return; | |
2164 | if(!fTreeSRedirector) return; | |
2165 | (*fTreeSRedirector)<<"dEdx"<< | |
b55a470b | 2166 | "gid="<<gid<< |
234cae2f | 2167 | "fileName.="<<&fileName<< |
2168 | "runNumber="<<runNumber<< | |
2169 | "evtTimeStamp="<<evtTimeStamp<< | |
2170 | "evtNumberInFile="<<evtNumberInFile<< | |
2171 | "triggerClass="<<&triggerClass<< // trigger | |
2172 | "Bz="<<bz<< | |
2173 | "vtxESD.="<<vtxESD<< | |
2174 | "mult="<<mult<< | |
2175 | "esdTrack.="<<track<< | |
2176 | "friendTrack.="<<friendTrack<< | |
2177 | "\n"; | |
2178 | if (newFriendTrack) delete friendTrack; | |
c683985a | 2179 | } |
2180 | } | |
2181 | } | |
2182 | ||
2183 | //_____________________________________________________________________________ | |
2184 | Int_t AliAnalysisTaskFilteredTree::GetKFParticle(AliESDv0 *const v0, AliESDEvent * const event, AliKFParticle & kfparticle) | |
2185 | { | |
2186 | // | |
2187 | // Create KF particle in case the V0 fullfill selection criteria | |
2188 | // | |
2189 | // Selection criteria | |
2190 | // 0. algorithm cut | |
2191 | // 1. track cut | |
2192 | // 3. chi2 cut | |
2193 | // 4. rough mass cut | |
2194 | // 5. Normalized pointing angle cut | |
2195 | // | |
2196 | const Double_t cutMass=0.2; | |
2197 | const Double_t kSigmaDCACut=3; | |
2198 | // | |
2199 | // 0.) algo cut - accept only on the fly | |
2200 | // | |
2201 | if (v0->GetOnFlyStatus() ==kFALSE) return 0; | |
2202 | // | |
2203 | // 1.) track cut | |
2204 | // | |
2205 | AliESDtrack * track0 = event->GetTrack(v0->GetIndex(0)); | |
2206 | AliESDtrack * track1 = event->GetTrack(v0->GetIndex(1)); | |
2207 | /* | |
234cae2f | 2208 | TCut cutD="abs(track0.fD/sqrt(track0.fCdd))>2&&abs(track1.fD/sqrt(track1.fCdd))>2"; |
2209 | TCut cutTheta="abs(track0.fP[3])<1&&abs(track1.fP[3])<1"; | |
2210 | TCut cutNcl="track0.GetTPCClusterInfo(2,1)>100&&track1.GetTPCClusterInfo(2,1)>100"; | |
2211 | */ | |
c683985a | 2212 | if (TMath::Abs(track0->GetTgl())>1) return 0; |
2213 | if (TMath::Abs(track1->GetTgl())>1) return 0; | |
2214 | if ((track0->GetTPCClusterInfo(2,1))<100) return 0; | |
2215 | if ((track1->GetTPCClusterInfo(2,1))<100) return 0; | |
2216 | //if ((track0->GetITSclusters(0))<2) return 0; | |
2217 | //if ((track1->GetITSclusters(0))<2) return 0; | |
2218 | Float_t pos0[2]={0}, cov0[3]={0}; | |
2219 | Float_t pos1[2]={0}, cov1[3]={0}; | |
2220 | track0->GetImpactParameters(pos0,cov0); | |
2221 | track0->GetImpactParameters(pos1,cov1); | |
2222 | // | |
2223 | if (TMath::Abs(pos0[0])<kSigmaDCACut*TMath::Sqrt(cov0[0])) return 0; | |
2224 | if (TMath::Abs(pos1[0])<kSigmaDCACut*TMath::Sqrt(cov1[0])) return 0; | |
2225 | // | |
2226 | // | |
2227 | // 3.) Chi2 cut | |
2228 | // | |
2229 | Double_t chi2KF = v0->GetKFInfo(2,2,2); | |
2230 | if (chi2KF>25) return 0; | |
2231 | // | |
2232 | // 4.) Rough mass cut - 0.200 GeV | |
2233 | // | |
2234 | static Double_t masses[2]={-1}; | |
2235 | if (masses[0]<0){ | |
2236 | masses[0] = TDatabasePDG::Instance()->GetParticle("K_S0")->Mass(); | |
2237 | masses[1] = TDatabasePDG::Instance()->GetParticle("Lambda0")->Mass(); | |
2238 | } | |
2239 | Double_t mass00= v0->GetEffMass(0,0); | |
2240 | Double_t mass22= v0->GetEffMass(2,2); | |
2241 | Double_t mass42= v0->GetEffMass(4,2); | |
2242 | Double_t mass24= v0->GetEffMass(2,4); | |
2243 | Bool_t massOK=kFALSE; | |
2244 | Int_t type=0; | |
2245 | Int_t ptype=0; | |
2246 | Double_t dmass=1; | |
2247 | Int_t p1=0, p2=0; | |
2248 | if (TMath::Abs(mass00-0)<cutMass) { | |
2249 | massOK=kTRUE; type+=1; | |
2250 | if (TMath::Abs(mass00-0)<dmass) { | |
2251 | ptype=1; | |
2252 | dmass=TMath::Abs(mass00-0); | |
2253 | p1=0; p2=0; | |
2254 | } | |
2255 | } | |
2256 | if (TMath::Abs(mass24-masses[1])<cutMass) { | |
2257 | massOK=kTRUE; type+=2; | |
2258 | if (TMath::Abs(mass24-masses[1])<dmass){ | |
2259 | dmass = TMath::Abs(mass24-masses[1]); | |
2260 | ptype=2; | |
2261 | p1=2; p2=4; | |
2262 | } | |
2263 | } | |
2264 | if (TMath::Abs(mass42-masses[1])<cutMass) { | |
2265 | massOK=kTRUE; type+=4; | |
2266 | if (TMath::Abs(mass42-masses[1])<dmass){ | |
2267 | dmass = TMath::Abs(mass42-masses[1]); | |
2268 | ptype=4; | |
2269 | p1=4; p2=2; | |
2270 | } | |
2271 | } | |
2272 | if (TMath::Abs(mass22-masses[0])<cutMass) { | |
2273 | massOK=kTRUE; type+=8; | |
2274 | if (TMath::Abs(mass22-masses[0])<dmass){ | |
2275 | dmass = TMath::Abs(mass22-masses[0]); | |
2276 | ptype=8; | |
2277 | p1=2; p2=2; | |
2278 | } | |
2279 | } | |
2280 | if (type==0) return 0; | |
2281 | // | |
2282 | const Int_t spdg[5]={kPositron,kMuonPlus,kPiPlus, kKPlus, kProton}; | |
2283 | const AliExternalTrackParam *paramP = v0->GetParamP(); | |
2284 | const AliExternalTrackParam *paramN = v0->GetParamN(); | |
2285 | if (paramP->GetSign()<0){ | |
2286 | paramP=v0->GetParamP(); | |
2287 | paramN=v0->GetParamN(); | |
2288 | } | |
2289 | //Double_t *pparam1 = (Double_t*)paramP->GetParameter(); | |
2290 | //Double_t *pparam2 = (Double_t*)paramN->GetParameter(); | |
2291 | // | |
2292 | AliKFParticle kfp1( *paramP, spdg[p1] ); | |
2293 | AliKFParticle kfp2( *paramN, -1 *spdg[p2] ); | |
2294 | AliKFParticle V0KF; | |
2295 | (V0KF)+=kfp1; | |
2296 | (V0KF)+=kfp2; | |
2297 | kfparticle=V0KF; | |
2298 | // | |
2299 | // Pointing angle | |
2300 | // | |
2301 | Double_t errPhi = V0KF.GetErrPhi(); | |
2302 | Double_t pointAngle= TMath::ACos(v0->GetV0CosineOfPointingAngle()); | |
2303 | if (pointAngle/errPhi>10) return 0; | |
2304 | // | |
2305 | return ptype; | |
2306 | } | |
2307 | ||
2308 | //_____________________________________________________________________________ | |
2309 | Bool_t AliAnalysisTaskFilteredTree::IsV0Downscaled(AliESDv0 *const v0) | |
2310 | { | |
2311 | // | |
2312 | // Downscale randomly low pt V0 | |
2313 | // | |
2314 | //return kFALSE; | |
2315 | Double_t maxPt= TMath::Max(v0->GetParamP()->Pt(), v0->GetParamN()->Pt()); | |
2316 | Double_t scalempt= TMath::Min(maxPt,10.); | |
2317 | Double_t downscaleF = gRandom->Rndm(); | |
2318 | downscaleF *= fLowPtV0DownscaligF; | |
2319 | // | |
2320 | // Special treatment of the gamma conversion pt spectra is softer - | |
2321 | Double_t mass00= v0->GetEffMass(0,0); | |
2322 | const Double_t cutMass=0.2; | |
2323 | if (TMath::Abs(mass00-0)<cutMass){ | |
2324 | downscaleF/=10.; // 10 times smaller downscaling for the gamma concersion candidate | |
2325 | } | |
2326 | //printf("V0 TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
2327 | if (TMath::Exp(2*scalempt)<downscaleF) return kTRUE; | |
2328 | return kFALSE; | |
2329 | ||
2330 | /* | |
234cae2f | 2331 | TH1F his1("his1","his1",100,0,10); |
2332 | TH1F his2("his2","his2",100,0,10); | |
2333 | {for (Int_t i=0; i<10000; i++){ | |
2334 | Double_t rnd=gRandom->Exp(1); | |
2335 | Bool_t isDownscaled =TMath::Exp(rnd)<100*gRandom->Rndm(); | |
2336 | his1->Fill(rnd); | |
2337 | if (!isDownscaled) his2->Fill(rnd); | |
2338 | }} | |
c683985a | 2339 | |
234cae2f | 2340 | */ |
c683985a | 2341 | |
2342 | } | |
2343 | ||
2344 | ||
2345 | ||
2346 | //_____________________________________________________________________________ | |
2347 | Bool_t AliAnalysisTaskFilteredTree::ConstrainTPCInner(AliExternalTrackParam *const tpcInnerC, const AliESDVertex* vtx, Double_t b[3]) | |
2348 | { | |
234cae2f | 2349 | // Constrain TPC inner params constrained |
2350 | // | |
2351 | if(!tpcInnerC) return kFALSE; | |
2352 | if(!vtx) return kFALSE; | |
c683985a | 2353 | |
234cae2f | 2354 | Double_t dz[2],cov[3]; |
2355 | //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex(); | |
2356 | //if(!tpcInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE; | |
2357 | //if(!tpcInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE; | |
2358 | if(!tpcInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE; | |
c683985a | 2359 | |
2360 | ||
234cae2f | 2361 | Double_t covar[6]; vtx->GetCovMatrix(covar); |
2362 | Double_t p[2]={tpcInnerC->GetParameter()[0]-dz[0],tpcInnerC->GetParameter()[1]-dz[1]}; | |
2363 | Double_t c[3]={covar[2],0.,covar[5]}; | |
2364 | Double_t chi2C=tpcInnerC->GetPredictedChi2(p,c); | |
2365 | if (chi2C>kVeryBig) return kFALSE; | |
c683985a | 2366 | |
234cae2f | 2367 | if(!tpcInnerC->Update(p,c)) return kFALSE; |
c683985a | 2368 | |
2369 | return kTRUE; | |
2370 | } | |
2371 | ||
2372 | //_____________________________________________________________________________ | |
2373 | Bool_t AliAnalysisTaskFilteredTree::ConstrainTrackInner(AliExternalTrackParam *const trackInnerC, const AliESDVertex* vtx, Double_t mass, Double_t b[3]) | |
2374 | { | |
234cae2f | 2375 | // Constrain TPC inner params constrained |
2376 | // | |
2377 | if(!trackInnerC) return kFALSE; | |
2378 | if(!vtx) return kFALSE; | |
c683985a | 2379 | |
234cae2f | 2380 | const Double_t kRadius = 2.8; |
2381 | const Double_t kMaxStep = 1.0; | |
c683985a | 2382 | |
234cae2f | 2383 | Double_t dz[2],cov[3]; |
c683985a | 2384 | |
234cae2f | 2385 | //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex(); |
2386 | //if(!trackInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE; | |
2387 | //if(!trackInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE; | |
c683985a | 2388 | |
234cae2f | 2389 | if(!AliTracker::PropagateTrackToBxByBz(trackInnerC,kRadius,mass,kMaxStep,kFALSE)) return kFALSE; |
2390 | if(!trackInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE; | |
c683985a | 2391 | |
234cae2f | 2392 | // |
2393 | Double_t covar[6]; vtx->GetCovMatrix(covar); | |
2394 | Double_t p[2]={trackInnerC->GetParameter()[0]-dz[0],trackInnerC->GetParameter()[1]-dz[1]}; | |
2395 | Double_t c[3]={covar[2],0.,covar[5]}; | |
2396 | Double_t chi2C=trackInnerC->GetPredictedChi2(p,c); | |
2397 | if (chi2C>kVeryBig) return kFALSE; | |
c683985a | 2398 | |
234cae2f | 2399 | if(!trackInnerC->Update(p,c)) return kFALSE; |
c683985a | 2400 | |
2401 | return kTRUE; | |
2402 | } | |
2403 | ||
2404 | ||
2405 | //_____________________________________________________________________________ | |
2406 | TParticle *AliAnalysisTaskFilteredTree::GetMother(TParticle *const particle, AliStack *const stack) | |
2407 | { | |
2408 | if(!particle) return NULL; | |
2409 | if(!stack) return NULL; | |
2410 | ||
2411 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2412 | TParticle* mother = NULL; | |
2413 | Int_t mcStackSize=stack->GetNtrack(); | |
2414 | if (motherLabel>=mcStackSize) return NULL; | |
2415 | mother = stack->Particle(motherLabel); | |
2416 | ||
234cae2f | 2417 | return mother; |
c683985a | 2418 | } |
2419 | ||
2420 | //_____________________________________________________________________________ | |
2421 | Bool_t AliAnalysisTaskFilteredTree::IsFromConversion(const Int_t label, AliStack *const stack) | |
2422 | { | |
2423 | Bool_t isFromConversion = kFALSE; | |
2424 | ||
2425 | if(stack) { | |
2426 | Int_t mcStackSize=stack->GetNtrack(); | |
2427 | if (label>=mcStackSize) return kFALSE; | |
2428 | TParticle* particle = stack->Particle(label); | |
2429 | if (!particle) return kFALSE; | |
2430 | ||
2431 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2432 | { | |
234cae2f | 2433 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2434 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
c683985a | 2435 | |
234cae2f | 2436 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); |
2437 | if (motherLabel>=mcStackSize) return kFALSE; | |
2438 | TParticle* mother = stack->Particle(motherLabel); | |
2439 | if(mother) { | |
2440 | Int_t motherPdg = mother->GetPdgCode(); | |
c683985a | 2441 | |
234cae2f | 2442 | if(!isPrim && mech==5 && motherPdg==kGamma) { |
2443 | isFromConversion=kTRUE; | |
2444 | } | |
2445 | } | |
c683985a | 2446 | } |
2447 | } | |
2448 | ||
2449 | return isFromConversion; | |
2450 | } | |
2451 | ||
2452 | //_____________________________________________________________________________ | |
2453 | Bool_t AliAnalysisTaskFilteredTree::IsFromMaterial(const Int_t label, AliStack *const stack) | |
2454 | { | |
2455 | Bool_t isFromMaterial = kFALSE; | |
2456 | ||
2457 | if(stack) { | |
2458 | Int_t mcStackSize=stack->GetNtrack(); | |
2459 | if (label>=mcStackSize) return kFALSE; | |
2460 | TParticle* particle = stack->Particle(label); | |
2461 | if (!particle) return kFALSE; | |
2462 | ||
2463 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2464 | { | |
234cae2f | 2465 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2466 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
2467 | ||
2468 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2469 | if (motherLabel>=mcStackSize) return kFALSE; | |
2470 | TParticle* mother = stack->Particle(motherLabel); | |
2471 | if(mother) { | |
2472 | if(!isPrim && mech==13) { | |
2473 | isFromMaterial=kTRUE; | |
2474 | } | |
2475 | } | |
2476 | } | |
c683985a | 2477 | } |
2478 | ||
2479 | return isFromMaterial; | |
2480 | } | |
2481 | ||
2482 | //_____________________________________________________________________________ | |
2483 | Bool_t AliAnalysisTaskFilteredTree::IsFromStrangeness(const Int_t label, AliStack *const stack) | |
2484 | { | |
2485 | Bool_t isFromStrangeness = kFALSE; | |
2486 | ||
2487 | if(stack) { | |
2488 | Int_t mcStackSize=stack->GetNtrack(); | |
2489 | if (label>=mcStackSize) return kFALSE; | |
2490 | TParticle* particle = stack->Particle(label); | |
2491 | if (!particle) return kFALSE; | |
2492 | ||
2493 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2494 | { | |
234cae2f | 2495 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2496 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
2497 | ||
2498 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2499 | if (motherLabel>=mcStackSize) return kFALSE; | |
2500 | TParticle* mother = stack->Particle(motherLabel); | |
2501 | if(mother) { | |
2502 | Int_t motherPdg = mother->GetPdgCode(); | |
2503 | ||
2504 | // K+-, lambda, antilambda, K0s decays | |
2505 | if(!isPrim && mech==4 && | |
2506 | (TMath::Abs(motherPdg)==kKPlus || TMath::Abs(motherPdg)==kLambda0 || motherPdg==kK0Short)) | |
2507 | { | |
2508 | isFromStrangeness = kTRUE; | |
2509 | } | |
2510 | } | |
c683985a | 2511 | } |
2512 | } | |
2513 | ||
2514 | return isFromStrangeness; | |
2515 | } | |
2516 | ||
2517 | ||
2518 | //_____________________________________________________________________________ | |
2519 | void AliAnalysisTaskFilteredTree::FinishTaskOutput() | |
2520 | { | |
2521 | // | |
2522 | // Called one at the end | |
2523 | // locally on working node | |
2524 | // | |
2525 | ||
2526 | //// must be deleted to store trees | |
2527 | //if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector=0; | |
2528 | ||
2529 | //// open temporary file and copy trees to the ouptut container | |
2530 | ||
2531 | //TChain* chain = 0; | |
2532 | //// | |
2533 | //chain = new TChain("highPt"); | |
2534 | //if(chain) { | |
2535 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2536 | // fHighPtTree = chain->CopyTree("1"); | |
2537 | // delete chain; chain=0; | |
2538 | //} | |
2539 | //if(fHighPtTree) fHighPtTree->Print(); | |
2540 | ||
2541 | //// | |
2542 | //chain = new TChain("V0s"); | |
2543 | //if(chain) { | |
2544 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2545 | // fV0Tree = chain->CopyTree("1"); | |
2546 | // delete chain; chain=0; | |
2547 | //} | |
2548 | //if(fV0Tree) fV0Tree->Print(); | |
2549 | ||
2550 | //// | |
2551 | //chain = new TChain("dEdx"); | |
2552 | //if(chain) { | |
2553 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2554 | // fdEdxTree = chain->CopyTree("1"); | |
2555 | // delete chain; chain=0; | |
2556 | //} | |
2557 | //if(fdEdxTree) fdEdxTree->Print(); | |
2558 | ||
2559 | //// | |
2560 | //chain = new TChain("Laser"); | |
2561 | //if(chain) { | |
2562 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2563 | // fLaserTree = chain->CopyTree("1"); | |
2564 | // delete chain; chain=0; | |
2565 | //} | |
2566 | //if(fLaserTree) fLaserTree->Print(); | |
2567 | ||
2568 | //// | |
2569 | //chain = new TChain("MCEffTree"); | |
2570 | //if(chain) { | |
2571 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2572 | // fMCEffTree = chain->CopyTree("1"); | |
2573 | // delete chain; chain=0; | |
2574 | //} | |
2575 | //if(fMCEffTree) fMCEffTree->Print(); | |
2576 | ||
2577 | //// | |
2578 | //chain = new TChain("CosmicPairs"); | |
2579 | //if(chain) { | |
2580 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2581 | // fCosmicPairsTree = chain->CopyTree("1"); | |
2582 | // delete chain; chain=0; | |
2583 | //} | |
2584 | //if(fCosmicPairsTree) fCosmicPairsTree->Print(); | |
2585 | ||
2586 | Bool_t deleteTrees=kTRUE; | |
2587 | if ((AliAnalysisManager::GetAnalysisManager())) | |
2588 | { | |
2589 | if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() == | |
234cae2f | 2590 | AliAnalysisManager::kProofAnalysis) |
c683985a | 2591 | deleteTrees=kFALSE; |
2592 | } | |
2593 | if (deleteTrees) delete fTreeSRedirector; | |
2594 | fTreeSRedirector=NULL; | |
2595 | ||
2596 | //OpenFile(1); | |
2597 | ||
2598 | // Post output data. | |
2599 | //PostData(1, fHighPtTree); | |
2600 | //PostData(2, fV0Tree); | |
2601 | //PostData(3, fdEdxTree); | |
2602 | //PostData(4, fLaserTree); | |
2603 | //PostData(5, fMCEffTree); | |
2604 | //PostData(6, fCosmicPairsTree); | |
2605 | } | |
2606 | ||
2607 | //_____________________________________________________________________________ | |
2608 | void AliAnalysisTaskFilteredTree::Terminate(Option_t *) | |
2609 | { | |
2610 | // Called one at the end | |
2611 | /* | |
234cae2f | 2612 | fOutputSummary = dynamic_cast<TTree*> (GetOutputData(1)); |
2613 | if(fOutputSummary) delete fOutputSummary; fOutputSummary=0; | |
2614 | TChain* chain = new TChain("highPt"); | |
2615 | if(!chain) return; | |
2616 | chain->Add("jotwinow_HighPt_TrackAndV0_Trees.root"); | |
2617 | TTree *tree = chain->CopyTree("1"); | |
2618 | if (chain) { delete chain; chain=0; } | |
2619 | if(!tree) return; | |
2620 | tree->Print(); | |
2621 | fOutputSummary = tree; | |
2622 | ||
2623 | if (!fOutputSummary) { | |
2624 | Printf("ERROR: AliAnalysisTaskFilteredTree::Terminate(): Output data not avaiable %p \n", GetOutputData(1)); | |
2625 | return; | |
2626 | } | |
2627 | */ | |
2628 | ||
c683985a | 2629 | } |
2630 | ||
2631 | //_____________________________________________________________________________ | |
2632 | Int_t AliAnalysisTaskFilteredTree::GetMCTrueTrackMult(AliMCEvent *const mcEvent, AliFilteredTreeEventCuts *const evtCuts, AliFilteredTreeAcceptanceCuts *const accCuts) | |
2633 | { | |
2634 | // | |
2635 | // calculate mc event true track multiplicity | |
2636 | // | |
2637 | if(!mcEvent) return 0; | |
2638 | ||
2639 | AliStack* stack = 0; | |
2640 | Int_t mult = 0; | |
2641 | ||
2642 | // MC particle stack | |
2643 | stack = mcEvent->Stack(); | |
2644 | if (!stack) return 0; | |
2645 | ||
2646 | // | |
2647 | //printf("minZv %f, maxZv %f \n", evtCuts->GetMinZv(), evtCuts->GetMaxZv()); | |
2648 | // | |
2649 | ||
2650 | Bool_t isEventOK = evtCuts->AcceptMCEvent(mcEvent); | |
2651 | if(!isEventOK) return 0; | |
2652 | ||
2653 | Int_t nPart = stack->GetNtrack(); | |
2654 | for (Int_t iMc = 0; iMc < nPart; ++iMc) | |
2655 | { | |
234cae2f | 2656 | TParticle* particle = stack->Particle(iMc); |
2657 | if (!particle) | |
2658 | continue; | |
2659 | ||
2660 | // only charged particles | |
2661 | if(!particle->GetPDG()) continue; | |
2662 | Double_t charge = particle->GetPDG()->Charge()/3.; | |
2663 | if (TMath::Abs(charge) < 0.001) | |
2664 | continue; | |
2665 | ||
2666 | // physical primary | |
2667 | Bool_t prim = stack->IsPhysicalPrimary(iMc); | |
2668 | if(!prim) continue; | |
2669 | ||
2670 | // checked accepted without pt cut | |
2671 | //if(accCuts->AcceptTrack(particle)) | |
2672 | if( particle->Eta() > accCuts->GetMinEta() && particle->Eta() < accCuts->GetMaxEta() ) | |
2673 | { | |
2674 | mult++; | |
2675 | } | |
c683985a | 2676 | } |
2677 | ||
234cae2f | 2678 | return mult; |
c683985a | 2679 | } |
2680 | ||
2681 | //_____________________________________________________________________________ | |
2682 | void AliAnalysisTaskFilteredTree::FillHistograms(AliESDtrack* const ptrack, AliExternalTrackParam* const ptpcInnerC, const Double_t centralityF, const Double_t chi2TPCInnerC) | |
2683 | { | |
234cae2f | 2684 | // |
2685 | // Fill pT relative resolution histograms for | |
2686 | // TPC only, TPC only constrained to vertex and TPC+ITS tracking | |
2687 | // | |
2688 | if(!ptrack) return; | |
2689 | if(!ptpcInnerC) return; | |
2690 | ||
2691 | const AliExternalTrackParam * innerParam = (AliExternalTrackParam *) ptrack->GetInnerParam(); | |
2692 | if(!innerParam) return; | |
2693 | ||
2694 | Float_t dxy, dz; | |
2695 | ptrack->GetImpactParameters(dxy,dz); | |
2696 | ||
2697 | // TPC+ITS primary tracks | |
2698 | if( abs(ptrack->Eta())<0.8 && | |
2699 | ptrack->GetTPCClusterInfo(3,1)>120 && | |
2700 | ptrack->IsOn(0x40) && | |
2701 | ptrack->GetTPCclusters(0)>0.0 && | |
2702 | ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.4 && | |
2703 | //abs(innerParam->GetX())>0.0 && | |
2704 | //abs(innerParam->GetY()/innerParam->GetX())<0.14 && | |
2705 | //abs(innerParam->GetTgl())<0.85 && | |
2706 | ptrack->IsOn(0x0004) && | |
2707 | ptrack->GetNcls(0)>0 && | |
2708 | ptrack->GetITSchi2()>0 && | |
2709 | sqrt(ptrack->GetITSchi2()/ptrack->GetNcls(0))<6 && | |
2710 | sqrt(chi2TPCInnerC)<6 && | |
2711 | (ptrack->HasPointOnITSLayer(0) || ptrack->HasPointOnITSLayer(1)) && | |
2712 | abs(dz)<2.0 && | |
2713 | abs(dxy)<(0.018+0.035*abs(ptrack->GetSigned1Pt())) ) | |
2714 | { | |
2715 | fPtResPhiPtTPCITS->Fill(ptrack->Pt(),ptrack->Phi(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2716 | fPtResEtaPtTPCITS->Fill(ptrack->Pt(),ptrack->Eta(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2717 | fPtResCentPtTPCITS->Fill(ptrack->Pt(),centralityF,1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2718 | } | |
c683985a | 2719 | |
234cae2f | 2720 | // TPC primary tracks |
2721 | // and TPC constrained primary tracks | |
c683985a | 2722 | |
234cae2f | 2723 | AliExternalTrackParam *ptpcInner = (AliExternalTrackParam *) ptrack->GetTPCInnerParam(); |
2724 | if(!ptpcInner) return; | |
c683985a | 2725 | |
2726 | ||
234cae2f | 2727 | Float_t dxyTPC, dzTPC; |
2728 | ptrack->GetImpactParametersTPC(dxyTPC,dzTPC); | |
c683985a | 2729 | |
234cae2f | 2730 | if( abs(ptrack->Eta())<0.8 && |
2731 | ptrack->GetTPCClusterInfo(3,1)>120 && | |
2732 | ptrack->IsOn(0x40)&& | |
2733 | ptrack->GetTPCclusters(0)>0.0 && | |
2734 | ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.4 && | |
2735 | //abs(innerParam->GetX())>0.0 && | |
2736 | //abs(innerParam->GetY()/innerParam->GetX())<0.14 && | |
2737 | //abs(innerParam->GetTgl())<0.85 && | |
2738 | abs(dzTPC)<3.2 && | |
2739 | abs(dxyTPC)<2.4 ) | |
2740 | { | |
2741 | // TPC only | |
2742 | fPtResPhiPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Phi(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2743 | fPtResEtaPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Eta(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2744 | fPtResCentPtTPC->Fill(ptpcInner->Pt(),centralityF,1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2745 | ||
2746 | // TPC constrained to vertex | |
2747 | fPtResPhiPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Phi(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2748 | fPtResEtaPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Eta(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2749 | fPtResCentPtTPCc->Fill(ptpcInnerC->Pt(),centralityF,1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2750 | } | |
c683985a | 2751 | } |