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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" | |
2e16763c | 39 | #include "AliTrackPointArray.h" |
40 | #include "AliSysInfo.h" | |
c683985a | 41 | |
42 | #include "AliPhysicsSelection.h" | |
43 | #include "AliAnalysisTask.h" | |
44 | #include "AliAnalysisManager.h" | |
45 | #include "AliESDEvent.h" | |
46 | #include "AliESDfriend.h" | |
47 | #include "AliMCEvent.h" | |
48 | #include "AliESDInputHandler.h" | |
49 | #include "AliESDVertex.h" | |
50 | #include "AliTracker.h" | |
51 | #include "AliVTrack.h" | |
52 | #include "AliGeomManager.h" | |
53 | ||
54 | #include "AliCentrality.h" | |
55 | #include "AliESDVZERO.h" | |
56 | #include "AliMultiplicity.h" | |
57 | ||
58 | #include "AliESDtrackCuts.h" | |
59 | #include "AliMCEventHandler.h" | |
60 | #include "AliFilteredTreeEventCuts.h" | |
61 | #include "AliFilteredTreeAcceptanceCuts.h" | |
62 | ||
63 | #include "AliAnalysisTaskFilteredTree.h" | |
64 | #include "AliKFParticle.h" | |
65 | #include "AliESDv0.h" | |
66 | #include "TVectorD.h" | |
67 | ||
68 | using namespace std; | |
69 | ||
70 | ClassImp(AliAnalysisTaskFilteredTree) | |
71 | ||
234cae2f | 72 | //_____________________________________________________________________________ |
73 | AliAnalysisTaskFilteredTree::AliAnalysisTaskFilteredTree(const char *name) | |
c683985a | 74 | : AliAnalysisTaskSE(name) |
75 | , fESD(0) | |
76 | , fMC(0) | |
77 | , fESDfriend(0) | |
78 | , fOutput(0) | |
79 | , fPitList(0) | |
80 | , fUseMCInfo(kFALSE) | |
81 | , fUseESDfriends(kFALSE) | |
82 | , fReducePileUp(kTRUE) | |
83 | , fFillTree(kTRUE) | |
84 | , fFilteredTreeEventCuts(0) | |
85 | , fFilteredTreeAcceptanceCuts(0) | |
86 | , fFilteredTreeRecAcceptanceCuts(0) | |
87 | , fEsdTrackCuts(0) | |
88 | , fTrigger(AliTriggerAnalysis::kMB1) | |
89 | , fAnalysisMode(kTPCAnalysisMode) | |
90 | , fTreeSRedirector(0) | |
91 | , fCentralityEstimator(0) | |
92 | , fLowPtTrackDownscaligF(0) | |
93 | , fLowPtV0DownscaligF(0) | |
94 | , fProcessAll(kFALSE) | |
95 | , fProcessCosmics(kFALSE) | |
96 | , fHighPtTree(0) | |
97 | , fV0Tree(0) | |
98 | , fdEdxTree(0) | |
99 | , fLaserTree(0) | |
100 | , fMCEffTree(0) | |
101 | , fCosmicPairsTree(0) | |
102 | , fPtResPhiPtTPC(0) | |
103 | , fPtResPhiPtTPCc(0) | |
104 | , fPtResPhiPtTPCITS(0) | |
105 | , fPtResEtaPtTPC(0) | |
106 | , fPtResEtaPtTPCc(0) | |
107 | , fPtResEtaPtTPCITS(0) | |
108 | , fPtResCentPtTPC(0) | |
109 | , fPtResCentPtTPCc(0) | |
2e16763c | 110 | , fPtResCentPtTPCITS(0) |
111 | , fDummyFriendTrack(0) | |
112 | , fDummyTrack(0) | |
c683985a | 113 | { |
114 | // Constructor | |
115 | ||
116 | // Define input and output slots here | |
117 | DefineOutput(1, TTree::Class()); | |
118 | DefineOutput(2, TTree::Class()); | |
119 | DefineOutput(3, TTree::Class()); | |
120 | DefineOutput(4, TTree::Class()); | |
121 | DefineOutput(5, TTree::Class()); | |
122 | DefineOutput(6, TTree::Class()); | |
123 | DefineOutput(7, TList::Class()); | |
124 | } | |
125 | ||
126 | //_____________________________________________________________________________ | |
127 | AliAnalysisTaskFilteredTree::~AliAnalysisTaskFilteredTree() | |
128 | { | |
129 | //the output trees not to be deleted in case of proof analysis | |
130 | //Bool_t deleteTrees=kTRUE; | |
131 | //if ((AliAnalysisManager::GetAnalysisManager())) | |
132 | //{ | |
133 | // if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() == | |
134 | // AliAnalysisManager::kProofAnalysis) | |
135 | // deleteTrees=kFALSE; | |
136 | //} | |
137 | //if (deleteTrees) delete fTreeSRedirector; | |
138 | ||
139 | delete fFilteredTreeEventCuts; | |
140 | delete fFilteredTreeAcceptanceCuts; | |
141 | delete fFilteredTreeRecAcceptanceCuts; | |
142 | delete fEsdTrackCuts; | |
143 | } | |
144 | ||
145 | //____________________________________________________________________________ | |
146 | Bool_t AliAnalysisTaskFilteredTree::Notify() | |
147 | { | |
148 | static Int_t count = 0; | |
149 | count++; | |
150 | TTree *chain = (TChain*)GetInputData(0); | |
151 | if(chain) | |
152 | { | |
153 | Printf("Processing %d. file: %s", count, chain->GetCurrentFile()->GetName()); | |
154 | } | |
155 | ||
b55a470b | 156 | return kTRUE; |
c683985a | 157 | } |
158 | ||
159 | //_____________________________________________________________________________ | |
160 | void AliAnalysisTaskFilteredTree::UserCreateOutputObjects() | |
161 | { | |
162 | // Create histograms | |
163 | // Called once | |
164 | ||
165 | // | |
166 | //get the output file to make sure the trees will be associated to it | |
167 | OpenFile(1); | |
168 | fTreeSRedirector = new TTreeSRedirector(); | |
234cae2f | 169 | |
c683985a | 170 | // |
171 | // Create trees | |
172 | fV0Tree = ((*fTreeSRedirector)<<"V0s").GetTree(); | |
173 | fHighPtTree = ((*fTreeSRedirector)<<"highPt").GetTree(); | |
174 | fdEdxTree = ((*fTreeSRedirector)<<"dEdx").GetTree(); | |
175 | fLaserTree = ((*fTreeSRedirector)<<"Laser").GetTree(); | |
176 | fMCEffTree = ((*fTreeSRedirector)<<"MCEffTree").GetTree(); | |
177 | fCosmicPairsTree = ((*fTreeSRedirector)<<"CosmicPairs").GetTree(); | |
178 | ||
2e16763c | 179 | if (!fDummyFriendTrack) |
180 | { | |
181 | fDummyFriendTrack=new AliESDfriendTrack(); | |
182 | fDummyFriendTrack->SetTrackPointArray(new AliTrackPointArray(164)); | |
183 | printf("just made a new dummy friend track!"); | |
184 | } | |
185 | if (!fDummyTrack) | |
186 | { | |
187 | fDummyTrack=new AliESDtrack(); | |
188 | } | |
c683985a | 189 | |
190 | // histogram booking | |
191 | ||
192 | Double_t minPt = 0.1; | |
193 | Double_t maxPt = 100.; | |
194 | Int_t nbinsPt = 30; | |
195 | ||
196 | Double_t logminPt = TMath::Log10(minPt); | |
197 | Double_t logmaxPt = TMath::Log10(maxPt); | |
198 | Double_t binwidth = (logmaxPt-logminPt)/nbinsPt; | |
199 | Double_t *binsPt = new Double_t[nbinsPt+1]; | |
200 | binsPt[0] = minPt; | |
201 | for (Int_t i=1;i<=nbinsPt;i++) { | |
202 | binsPt[i] = minPt + TMath::Power(10,logminPt+i*binwidth); | |
203 | } | |
204 | ||
205 | // 1pT resol cov matrix bins | |
206 | Double_t min1PtRes = 0.; | |
207 | Double_t max1PtRes = 0.3; | |
208 | Int_t nbins1PtRes = 300; | |
209 | Double_t bins1PtRes[301]; | |
210 | for (Int_t i=0;i<=nbins1PtRes;i++) { | |
211 | bins1PtRes[i] = min1PtRes + i*(max1PtRes-min1PtRes)/nbins1PtRes; | |
212 | } | |
213 | ||
214 | // phi bins | |
215 | Double_t minPhi = 0.; | |
216 | Double_t maxPhi = 6.5; | |
217 | Int_t nbinsPhi = 100; | |
218 | Double_t binsPhi[101]; | |
234cae2f | 219 | for (Int_t i=0;i<=nbinsPhi;i++) { |
c683985a | 220 | binsPhi[i] = minPhi + i*(maxPhi-minPhi)/nbinsPhi; |
221 | } | |
222 | ||
223 | // eta bins | |
224 | Double_t minEta = -1.; | |
225 | Double_t maxEta = 1.; | |
226 | Int_t nbinsEta = 20; | |
227 | Double_t binsEta[21]; | |
228 | for (Int_t i=0;i<=nbinsEta;i++) { | |
229 | binsEta[i] = minEta + i*(maxEta-minEta)/nbinsEta; | |
230 | } | |
231 | ||
232 | // mult bins | |
233 | Double_t minCent = 0.; | |
234 | Double_t maxCent = 100; | |
235 | Int_t nbinsCent = 20; | |
236 | Double_t binsCent[101]; | |
237 | for (Int_t i=0;i<=nbinsCent;i++) { | |
238 | binsCent[i] = minCent + i*(maxCent-minCent)/nbinsCent; | |
239 | } | |
234cae2f | 240 | |
c683985a | 241 | fPtResPhiPtTPC = new TH3D("fPtResPhiPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); |
242 | fPtResPhiPtTPCc = new TH3D("fPtResPhiPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); | |
243 | fPtResPhiPtTPCITS = new TH3D("fPtResPhiPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsPhi,binsPhi,nbins1PtRes,bins1PtRes); | |
234cae2f | 244 | |
245 | fPtResEtaPtTPC = new TH3D("fPtResEtaPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); | |
c683985a | 246 | fPtResEtaPtTPCc = new TH3D("fPtResEtaPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); |
247 | fPtResEtaPtTPCITS = new TH3D("fPtResEtaPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsEta,binsEta,nbins1PtRes,bins1PtRes); | |
234cae2f | 248 | |
249 | fPtResCentPtTPC = new TH3D("fPtResCentPtTPC","pt rel. resolution from cov. matrix TPC tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); | |
c683985a | 250 | fPtResCentPtTPCc = new TH3D("fPtResCentPtTPCc","pt rel. resolution from cov. matrix TPC constrained tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); |
251 | fPtResCentPtTPCITS = new TH3D("fPtResCentPtTPCITS","pt rel. resolution from cov. matrix TPC+ITS tracks",nbinsPt,binsPt,nbinsCent,binsCent,nbins1PtRes,bins1PtRes); | |
252 | ||
234cae2f | 253 | |
c683985a | 254 | fOutput = new TList; |
255 | if(!fOutput) return; | |
256 | fOutput->SetOwner(); | |
257 | ||
258 | fOutput->Add(fPtResPhiPtTPC); | |
259 | fOutput->Add(fPtResPhiPtTPCc); | |
260 | fOutput->Add(fPtResPhiPtTPCITS); | |
261 | fOutput->Add(fPtResEtaPtTPC); | |
262 | fOutput->Add(fPtResEtaPtTPCc); | |
263 | fOutput->Add(fPtResEtaPtTPCITS); | |
264 | fOutput->Add(fPtResCentPtTPC); | |
265 | fOutput->Add(fPtResCentPtTPCc); | |
266 | fOutput->Add(fPtResCentPtTPCITS); | |
267 | ||
268 | // post data to outputs | |
269 | ||
270 | PostData(1,fV0Tree); | |
271 | PostData(2,fHighPtTree); | |
272 | PostData(3,fdEdxTree); | |
273 | PostData(4,fLaserTree); | |
274 | PostData(5,fMCEffTree); | |
275 | PostData(6,fCosmicPairsTree); | |
276 | ||
277 | PostData(7,fOutput); | |
278 | } | |
279 | ||
280 | //_____________________________________________________________________________ | |
281 | void AliAnalysisTaskFilteredTree::UserExec(Option_t *) | |
282 | { | |
283 | // | |
284 | // Called for each event | |
285 | // | |
286 | ||
287 | // ESD event | |
288 | fESD = (AliESDEvent*) (InputEvent()); | |
289 | if (!fESD) { | |
290 | Printf("ERROR: ESD event not available"); | |
291 | return; | |
292 | } | |
293 | ||
294 | //// MC event | |
295 | //if(fUseMCInfo) { | |
296 | // fMC = MCEvent(); | |
297 | // if (!fMC) { | |
298 | // Printf("ERROR: MC event not available"); | |
299 | // return; | |
300 | // } | |
301 | //} | |
234cae2f | 302 | |
c683985a | 303 | //if MC info available - use it. |
304 | fMC = MCEvent(); | |
305 | ||
306 | if(fUseESDfriends) { | |
234cae2f | 307 | //fESDfriend = dynamic_cast<AliESDfriend*>(fESD->FindListObject("AliESDfriend")); |
308 | fESDfriend = ESDfriend(); | |
309 | ||
310 | if(!fESDfriend) { | |
311 | Printf("ERROR: ESD friends not available"); | |
c683985a | 312 | } |
313 | } | |
314 | ||
315 | //if set, use the environment variables to set the downscaling factors | |
316 | //AliAnalysisTaskFilteredTree_fLowPtTrackDownscaligF | |
317 | //AliAnalysisTaskFilteredTree_fLowPtV0DownscaligF | |
318 | TString env; | |
319 | env = gSystem->Getenv("AliAnalysisTaskFilteredTree_fLowPtTrackDownscaligF"); | |
320 | if (!env.IsNull()) | |
321 | { | |
322 | fLowPtTrackDownscaligF=env.Atof(); | |
323 | AliInfo(Form("fLowPtTrackDownscaligF=%f",fLowPtTrackDownscaligF)); | |
324 | } | |
325 | env = gSystem->Getenv("AliAnalysisTaskFilteredTree_fLowPtV0DownscaligF"); | |
326 | if (!env.IsNull()) | |
327 | { | |
328 | fLowPtV0DownscaligF=env.Atof(); | |
329 | AliInfo(Form("fLowPtV0DownscaligF=%f",fLowPtTrackDownscaligF)); | |
330 | } | |
331 | ||
332 | // | |
333 | if(fProcessAll) { | |
334 | ProcessAll(fESD,fMC,fESDfriend); // all track stages and MC | |
335 | } | |
336 | else { | |
337 | Process(fESD,fMC,fESDfriend); // only global and TPC tracks | |
338 | } | |
339 | ||
340 | // | |
341 | ProcessV0(fESD,fMC,fESDfriend); | |
342 | ProcessLaser(fESD,fMC,fESDfriend); | |
343 | ProcessdEdx(fESD,fMC,fESDfriend); | |
344 | ||
234cae2f | 345 | if (fProcessCosmics) { ProcessCosmics(fESD,fESDfriend); } |
c683985a | 346 | if(fMC) { ProcessMCEff(fESD,fMC,fESDfriend);} |
2e16763c | 347 | printf("processed event %i\n", Entry()); |
c683985a | 348 | } |
349 | ||
350 | //_____________________________________________________________________________ | |
234cae2f | 351 | void AliAnalysisTaskFilteredTree::ProcessCosmics(AliESDEvent *const event, AliESDfriend* esdFriend) |
c683985a | 352 | { |
353 | // | |
354 | // Select real events with high-pT tracks | |
355 | // | |
356 | if(!event) { | |
357 | AliDebug(AliLog::kError, "event not available"); | |
358 | return; | |
359 | } | |
360 | ||
361 | // | |
362 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
363 | if (!inputHandler) | |
364 | { | |
365 | Printf("ERROR: Could not receive input handler"); | |
366 | return; | |
367 | } | |
234cae2f | 368 | |
c683985a | 369 | // get file name |
370 | TTree *chain = (TChain*)GetInputData(0); | |
371 | if(!chain) { | |
372 | Printf("ERROR: Could not receive input chain"); | |
373 | return; | |
374 | } | |
375 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
376 | ||
377 | ||
234cae2f | 378 | // check for cosmic pairs |
379 | // | |
380 | // find cosmic pairs trigger by random trigger | |
381 | // | |
382 | // | |
383 | AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD(); | |
384 | AliESDVertex *vertexTPC = (AliESDVertex *)event->GetPrimaryVertexTPC(); | |
385 | const Double_t kMinPt=0.8; | |
386 | const Double_t kMinPtMax=0.8; | |
387 | const Double_t kMinNcl=50; | |
388 | const Double_t kMaxDelta[5]={2,600,0.02,0.02,0.1}; | |
389 | Int_t ntracks=event->GetNumberOfTracks(); | |
390 | // Float_t dcaTPC[2]={0,0}; | |
391 | // Float_t covTPC[3]={0,0,0}; | |
392 | ||
393 | UInt_t specie = event->GetEventSpecie(); // skip laser events | |
394 | if (specie==AliRecoParam::kCalib) return; | |
395 | ||
396 | ||
397 | ||
398 | for (Int_t itrack0=0;itrack0<ntracks;itrack0++) { | |
399 | AliESDtrack *track0 = event->GetTrack(itrack0); | |
400 | if (!track0) continue; | |
401 | if (!track0->IsOn(AliESDtrack::kTPCrefit)) continue; | |
402 | ||
403 | if (TMath::Abs(AliTracker::GetBz())>1 && track0->Pt() < kMinPt) continue; | |
404 | if (track0->Pt() < kMinPt) continue; | |
405 | if (track0->GetTPCncls() < kMinNcl) continue; | |
406 | if (TMath::Abs(track0->GetY())<kMaxDelta[0]) continue; | |
407 | if (track0->GetKinkIndex(0)>0) continue; | |
408 | const Double_t * par0=track0->GetParameter(); //track param at rhe DCA | |
409 | //rm primaries | |
c683985a | 410 | // |
234cae2f | 411 | //track0->GetImpactParametersTPC(dcaTPC,covTPC); |
412 | //if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue; | |
413 | //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue; | |
414 | // const AliExternalTrackParam * trackIn0 = track0->GetInnerParam(); | |
234cae2f | 415 | AliESDfriendTrack* friendTrack0=NULL; |
416 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack0 = esdFriend->GetTrack(itrack0);} //this guy can be NULL | |
2e16763c | 417 | //Bool_t newFriendTrack0=kFALSE; |
418 | //if (!friendTrack0) {friendTrack0=new AliESDfriendTrack(); newFriendTrack0=kTRUE;} | |
419 | if (!friendTrack0) {friendTrack0=fDummyFriendTrack;} | |
234cae2f | 420 | |
421 | for (Int_t itrack1=itrack0+1;itrack1<ntracks;itrack1++) { | |
422 | AliESDtrack *track1 = event->GetTrack(itrack1); | |
423 | if (!track1) continue; | |
424 | if (!track1->IsOn(AliESDtrack::kTPCrefit)) continue; | |
425 | if (track1->GetKinkIndex(0)>0) continue; | |
426 | if ((TMath::Abs(AliTracker::GetBz())>1) && (track1->Pt() < kMinPt)) continue; | |
427 | if (track1->Pt() < kMinPt) continue; | |
428 | if (track1->GetTPCncls()<kMinNcl) continue; | |
429 | if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Max(track1->Pt(), track0->Pt())<kMinPtMax) continue; | |
430 | if (TMath::Abs(track1->GetY())<kMaxDelta[0]) continue; | |
431 | //track1->GetImpactParametersTPC(dcaTPC,covTPC); | |
432 | // if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue; | |
c683985a | 433 | //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue; |
234cae2f | 434 | // |
435 | const Double_t* par1=track1->GetParameter(); //track param at rhe DCA | |
436 | // | |
437 | Bool_t isPair=kTRUE; | |
438 | for (Int_t ipar=0; ipar<5; ipar++){ | |
439 | if (ipar==4&&TMath::Abs(AliTracker::GetBz())<1) continue; // 1/pt not defined for B field off | |
440 | if (TMath::Abs(TMath::Abs(par0[ipar])-TMath::Abs(par1[ipar]))>kMaxDelta[ipar]) isPair=kFALSE; | |
441 | } | |
442 | if (!isPair) continue; | |
443 | if (TMath::Abs(TMath::Abs(track0->GetAlpha()-track1->GetAlpha())-TMath::Pi())>kMaxDelta[2]) isPair=kFALSE; | |
444 | //delta with correct sign | |
445 | /* | |
446 | TCut cut0="abs(t1.fP[0]+t0.fP[0])<2" | |
447 | TCut cut3="abs(t1.fP[3]+t0.fP[3])<0.02" | |
448 | TCut cut4="abs(t1.fP[4]+t0.fP[4])<0.2" | |
449 | */ | |
450 | if (TMath::Abs(par0[0]+par1[0])>kMaxDelta[0]) isPair=kFALSE; //delta y opposite sign | |
451 | if (TMath::Abs(par0[3]+par1[3])>kMaxDelta[3]) isPair=kFALSE; //delta tgl opposite sign | |
452 | if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Abs(par0[4]+par1[4])>kMaxDelta[4]) isPair=kFALSE; //delta 1/pt opposite sign | |
453 | if (!isPair) continue; | |
454 | TString filename(AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile()->GetName()); | |
455 | Int_t eventNumber = event->GetEventNumberInFile(); | |
456 | //Bool_t hasFriend = kFALSE; | |
457 | //Bool_t hasITS=(track0->GetNcls(0)+track1->GetNcls(0)>4); | |
458 | //printf("DUMPHPTCosmic:%s|%f|%d|%d|%d\n",filename.Data(),(TMath::Min(track0->Pt(),track1->Pt())), eventNumber,hasFriend,hasITS); | |
459 | // const AliExternalTrackParam * trackIn1 = track1->GetInnerParam(); | |
460 | // | |
461 | // | |
462 | Int_t ntracksSPD = vertexSPD->GetNContributors(); | |
463 | Int_t ntracksTPC = vertexTPC->GetNContributors(); | |
464 | Int_t runNumber = event->GetRunNumber(); | |
465 | Int_t timeStamp = event->GetTimeStamp(); | |
466 | ULong64_t triggerMask = event->GetTriggerMask(); | |
467 | Float_t magField = event->GetMagneticField(); | |
468 | TObjString triggerClass = event->GetFiredTriggerClasses().Data(); | |
469 | ||
b55a470b | 470 | // Global event id calculation using orbitID, bunchCrossingID and periodID |
471 | ULong64_t orbitID = (ULong64_t)event->GetOrbitNumber(); | |
472 | ULong64_t bunchCrossID = (ULong64_t)event->GetBunchCrossNumber(); | |
473 | ULong64_t periodID = (ULong64_t)event->GetPeriodNumber(); | |
474 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
475 | ||
234cae2f | 476 | // |
c683985a | 477 | // Dump to the tree |
478 | // vertex | |
479 | // TPC-ITS tracks | |
480 | // | |
481 | ||
482 | //fCosmicPairsTree->Branch("fileName",&fileName,32000,0); | |
483 | //fCosmicPairsTree->Branch("runNumber",&runNumber,"runNumber/I"); | |
484 | //fCosmicPairsTree->Branch("timeStamp",&timeStamp,"timeStamp/I"); | |
485 | //fCosmicPairsTree->Branch("eventNumber",&eventNumber,"eventNumber/I"); | |
486 | //fCosmicPairsTree->Branch("triggerMask",&triggerMask,32000,0); | |
487 | //fCosmicPairsTree->Branch("triggerClass",&triggerClass,32000,0); | |
488 | //fCosmicPairsTree->Branch("magField",&magField,"magField/F"); | |
489 | //fCosmicPairsTree->Branch("ntracksSPD",&ntracksSPD,"ntracksSPD/I"); | |
490 | //fCosmicPairsTree->Branch("ntracksTPC",&ntracksTPC,"ntracksTPC/I"); | |
491 | //fCosmicPairsTree->Branch("vertexSPD",vertexSPD,32000,0); | |
492 | //fCosmicPairsTree->Branch("vertexTPC",vertexTPC,32000,0); | |
493 | //fCosmicPairsTree->Branch("track0",track0,32000,0); | |
494 | //fCosmicPairsTree->Branch("track1",track1,32000,0); | |
495 | // | |
496 | //fCosmicPairsTree->Fill(); | |
497 | ||
234cae2f | 498 | AliESDfriendTrack* friendTrack1=NULL; |
499 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack1 = esdFriend->GetTrack(itrack1);} //this guy can be NULL | |
2e16763c | 500 | //Bool_t newFriendTrack1=kFALSE; |
501 | //if (!friendTrack1) {friendTrack1=new AliESDfriendTrack(); newFriendTrack1=kTRUE;} | |
502 | if (!friendTrack1) {friendTrack1=fDummyFriendTrack;} | |
234cae2f | 503 | |
c683985a | 504 | if(!fFillTree) return; |
505 | if(!fTreeSRedirector) return; | |
234cae2f | 506 | (*fTreeSRedirector)<<"CosmicPairs"<< |
b55a470b | 507 | "gid="<<gid<< |
234cae2f | 508 | "fileName.="<<&fileName<< // file name |
509 | "runNumber="<<runNumber<< // run number | |
510 | "evtTimeStamp="<<timeStamp<< // time stamp of event | |
511 | "evtNumberInFile="<<eventNumber<< // event number | |
512 | "trigger="<<triggerMask<< // trigger | |
513 | "triggerClass="<<&triggerClass<< // trigger | |
514 | "Bz="<<magField<< // magnetic field | |
515 | // | |
516 | "multSPD="<<ntracksSPD<< | |
517 | "multTPC="<<ntracksTPC<< | |
518 | "vertSPD.="<<vertexSPD<< //primary vertex -SPD | |
519 | "vertTPC.="<<vertexTPC<< //primary vertex -TPC | |
520 | "t0.="<<track0<< //track0 | |
521 | "t1.="<<track1<< //track1 | |
522 | "friendTrack0.="<<friendTrack0<< | |
523 | "friendTrack1.="<<friendTrack1<< | |
524 | "\n"; | |
2e16763c | 525 | //if (newFriendTrack1) {delete friendTrack1; friendTrack1=NULL;} |
234cae2f | 526 | } |
2e16763c | 527 | //if (newFriendTrack0) {delete friendTrack0; friendTrack0=NULL;} |
234cae2f | 528 | } |
c683985a | 529 | } |
530 | ||
531 | ||
532 | //_____________________________________________________________________________ | |
533 | void AliAnalysisTaskFilteredTree::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/) | |
534 | { | |
535 | // | |
536 | // Select real events with high-pT tracks | |
537 | // | |
538 | if(!esdEvent) { | |
539 | AliDebug(AliLog::kError, "esdEvent not available"); | |
540 | return; | |
541 | } | |
542 | ||
543 | // get selection cuts | |
544 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
545 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
546 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
547 | ||
548 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
549 | Printf("ERROR cuts not available"); | |
550 | return; | |
551 | } | |
552 | ||
553 | // trigger selection | |
554 | Bool_t isEventTriggered = kTRUE; | |
555 | AliPhysicsSelection *physicsSelection = NULL; | |
556 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
557 | ||
558 | // | |
559 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
560 | if (!inputHandler) | |
561 | { | |
562 | Printf("ERROR: Could not receive input handler"); | |
563 | return; | |
564 | } | |
234cae2f | 565 | |
c683985a | 566 | // get file name |
567 | TTree *chain = (TChain*)GetInputData(0); | |
568 | if(!chain) { | |
569 | Printf("ERROR: Could not receive input chain"); | |
570 | return; | |
571 | } | |
572 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
573 | ||
574 | // trigger | |
575 | if(evtCuts->IsTriggerRequired()) | |
576 | { | |
577 | // always MB | |
578 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
579 | ||
580 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
581 | if(!physicsSelection) return; | |
582 | //SetPhysicsTriggerSelection(physicsSelection); | |
583 | ||
584 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
585 | // set trigger (V0AND) | |
586 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
587 | if(!triggerAnalysis) return; | |
588 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
589 | } | |
590 | } | |
591 | ||
592 | // centrality determination | |
593 | Float_t centralityF = -1; | |
594 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
595 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
596 | ||
597 | // use MC information | |
598 | AliHeader* header = 0; | |
599 | AliGenEventHeader* genHeader = 0; | |
600 | AliStack* stack = 0; | |
601 | TArrayF vtxMC(3); | |
602 | ||
603 | Int_t multMCTrueTracks = 0; | |
604 | if(mcEvent) | |
605 | { | |
606 | // get MC event header | |
607 | header = mcEvent->Header(); | |
608 | if (!header) { | |
609 | AliDebug(AliLog::kError, "Header not available"); | |
610 | return; | |
611 | } | |
612 | // MC particle stack | |
613 | stack = mcEvent->Stack(); | |
614 | if (!stack) { | |
615 | AliDebug(AliLog::kError, "Stack not available"); | |
616 | return; | |
617 | } | |
618 | ||
619 | // get MC vertex | |
620 | genHeader = header->GenEventHeader(); | |
621 | if (!genHeader) { | |
622 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
623 | return; | |
624 | } | |
625 | genHeader->PrimaryVertex(vtxMC); | |
626 | ||
627 | // multipliticy of all MC primary tracks | |
628 | // in Zv, pt and eta ranges) | |
629 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
630 | } // end bUseMC | |
631 | ||
632 | // get reconstructed vertex | |
633 | //const AliESDVertex* vtxESD = 0; | |
634 | AliESDVertex* vtxESD = 0; | |
635 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 636 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 637 | } |
638 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 639 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 640 | } |
641 | else { | |
234cae2f | 642 | return; |
c683985a | 643 | } |
644 | ||
645 | AliESDVertex* vtxTPC = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); | |
646 | AliESDVertex* vtxSPD = (AliESDVertex*)esdEvent->GetPrimaryVertexSPD(); | |
647 | ||
648 | if(!vtxESD) return; | |
649 | if(!vtxTPC) return; | |
650 | if(!vtxSPD) return; | |
651 | ||
652 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
653 | //printf("isEventOK %d, isEventTriggered %d, status %d, vz %f \n",isEventOK, isEventTriggered, vtxESD->GetStatus(), vtxESD->GetZv()); | |
654 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
655 | Int_t ntracks = esdEvent->GetNumberOfTracks(); | |
656 | ||
657 | // check event cuts | |
658 | if(isEventOK && isEventTriggered) | |
659 | { | |
660 | ||
661 | // | |
662 | // get IR information | |
663 | // | |
664 | AliESDHeader *esdHeader = 0; | |
665 | esdHeader = esdEvent->GetHeader(); | |
666 | if(!esdHeader) return; | |
667 | //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s | |
668 | //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval | |
669 | ||
670 | // Use when Peter commit the changes in the header | |
671 | Int_t ir1 = 0; | |
672 | Int_t ir2 = 0; | |
673 | ||
674 | // | |
07aef7d1 | 675 | //Double_t vert[3] = {0}; |
676 | //vert[0] = vtxESD->GetXv(); | |
677 | //vert[1] = vtxESD->GetYv(); | |
678 | //vert[2] = vtxESD->GetZv(); | |
c683985a | 679 | Int_t mult = vtxESD->GetNContributors(); |
680 | Int_t multSPD = vtxSPD->GetNContributors(); | |
681 | Int_t multTPC = vtxTPC->GetNContributors(); | |
682 | ||
683 | Float_t bz = esdEvent->GetMagneticField(); | |
684 | Int_t runNumber = esdEvent->GetRunNumber(); | |
685 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
686 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
b55a470b | 687 | |
688 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
689 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
690 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
691 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
692 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
693 | ||
c683985a | 694 | |
695 | // high pT tracks | |
696 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
697 | { | |
698 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
699 | if(!track) continue; | |
700 | if(track->Charge()==0) continue; | |
701 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
702 | if(!accCuts->AcceptTrack(track)) continue; | |
234cae2f | 703 | |
c683985a | 704 | // downscale low-pT tracks |
705 | Double_t scalempt= TMath::Min(track->Pt(),10.); | |
706 | Double_t downscaleF = gRandom->Rndm(); | |
707 | downscaleF *= fLowPtTrackDownscaligF; | |
708 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
709 | //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
710 | ||
711 | AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam()); | |
712 | if (!tpcInner) continue; | |
713 | // transform to the track reference frame | |
714 | Bool_t isOK = kFALSE; | |
715 | isOK = tpcInner->Rotate(track->GetAlpha()); | |
716 | isOK = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
717 | if(!isOK) continue; | |
718 | ||
719 | // Dump to the tree | |
720 | // vertex | |
721 | // TPC-ITS tracks | |
722 | // | |
723 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
724 | ||
725 | //fHighPtTree->Branch("fileName",&fileName,32000,0); | |
726 | //fHighPtTree->Branch("runNumber",&runNumber,"runNumber/I"); | |
727 | //fHighPtTree->Branch("evtTimeStamp",&evtTimeStamp,"evtTimeStamp/I"); | |
728 | //fHighPtTree->Branch("evtNumberInFile",&evtNumberInFile,"evtNumberInFile/I"); | |
729 | //fHighPtTree->Branch("triggerClass",&triggerClass,32000,0); | |
730 | //fHighPtTree->Branch("Bz",&bz,"Bz/F"); | |
731 | //fHighPtTree->Branch("vtxESD",vtxESD,32000,0); | |
732 | //fHighPtTree->Branch("IRtot",&ir1,"IRtot/I"); | |
733 | //fHighPtTree->Branch("IRint2",&ir2,"IRint2/I"); | |
734 | //fHighPtTree->Branch("mult",&mult,"mult/I"); | |
735 | //fHighPtTree->Branch("esdTrack",track,32000,0); | |
736 | //fHighPtTree->Branch("centralityF",¢ralityF,"centralityF/F"); | |
737 | ||
738 | //fHighPtTree->Fill(); | |
739 | ||
740 | //Double_t vtxX=vtxESD->GetX(); | |
741 | //Double_t vtxY=vtxESD->GetY(); | |
742 | //Double_t vtxZ=vtxESD->GetZ(); | |
743 | if(!fFillTree) return; | |
744 | if(!fTreeSRedirector) return; | |
745 | (*fTreeSRedirector)<<"highPt"<< | |
b55a470b | 746 | "gid="<<gid<< |
c683985a | 747 | "fileName.="<<&fileName<< |
748 | "runNumber="<<runNumber<< | |
749 | "evtTimeStamp="<<evtTimeStamp<< | |
750 | "evtNumberInFile="<<evtNumberInFile<< | |
234cae2f | 751 | "triggerClass="<<&triggerClass<< // trigger |
c683985a | 752 | "Bz="<<bz<< // magnetic field |
753 | "vtxESD.="<<vtxESD<< | |
234cae2f | 754 | "ntracksESD="<<ntracks<< // number of tracks in the ESD |
755 | // "vtxESDx="<<vtxX<< | |
756 | // "vtxESDy="<<vtxY<< | |
757 | // "vtxESDz="<<vtxZ<< | |
758 | "IRtot="<<ir1<< // interaction record history info | |
759 | "IRint2="<<ir2<< | |
c683985a | 760 | "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex |
761 | "multSPD="<<multSPD<< // multiplicity of tracks pointing to the SPD primary vertex | |
762 | "multTPC="<<multTPC<< // multiplicity of tracks pointing to the TPC primary vertex | |
763 | "esdTrack.="<<track<< | |
764 | "centralityF="<<centralityF<< | |
765 | "\n"; | |
766 | } | |
767 | } | |
234cae2f | 768 | |
c683985a | 769 | } |
770 | ||
771 | ||
772 | //_____________________________________________________________________________ | |
234cae2f | 773 | void AliAnalysisTaskFilteredTree::ProcessLaser(AliESDEvent *const esdEvent, AliMCEvent * const /*mcEvent*/, AliESDfriend *const esdFriend) |
c683985a | 774 | { |
775 | // | |
776 | // Process laser events | |
777 | // | |
778 | if(!esdEvent) { | |
779 | AliDebug(AliLog::kError, "esdEvent not available"); | |
780 | return; | |
781 | } | |
782 | ||
783 | // get file name | |
784 | TTree *chain = (TChain*)GetInputData(0); | |
785 | if(!chain) { | |
786 | Printf("ERROR: Could not receive input chain"); | |
787 | return; | |
788 | } | |
789 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
790 | ||
234cae2f | 791 | if(!fFillTree) return; |
792 | if(!fTreeSRedirector) return; | |
793 | ||
c683985a | 794 | // laser events |
795 | const AliESDHeader* esdHeader = esdEvent->GetHeader(); | |
796 | if(esdHeader && esdHeader->GetEventSpecie()==AliRecoParam::kCalib) | |
797 | { | |
798 | Int_t countLaserTracks = 0; | |
234cae2f | 799 | Int_t runNumber = esdEvent->GetRunNumber(); |
800 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
801 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
802 | Float_t bz = esdEvent->GetMagneticField(); | |
803 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
b55a470b | 804 | |
805 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
806 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
807 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
808 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
809 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
234cae2f | 810 | |
c683985a | 811 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) |
812 | { | |
813 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
814 | if(!track) continue; | |
815 | ||
816 | if(track->GetTPCInnerParam()) countLaserTracks++; | |
234cae2f | 817 | |
234cae2f | 818 | AliESDfriendTrack* friendTrack=NULL; |
819 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
2e16763c | 820 | //Bool_t newFriendTrack=kFALSE; |
821 | //if (!friendTrack) {friendTrack=new AliESDfriendTrack(); newFriendTrack=kTRUE;} | |
822 | if (!friendTrack) {friendTrack=fDummyFriendTrack;} | |
234cae2f | 823 | |
c683985a | 824 | (*fTreeSRedirector)<<"Laser"<< |
b55a470b | 825 | "gid="<<gid<< |
c683985a | 826 | "fileName.="<<&fileName<< |
827 | "runNumber="<<runNumber<< | |
828 | "evtTimeStamp="<<evtTimeStamp<< | |
829 | "evtNumberInFile="<<evtNumberInFile<< | |
234cae2f | 830 | "triggerClass="<<&triggerClass<< // trigger |
c683985a | 831 | "Bz="<<bz<< |
832 | "multTPCtracks="<<countLaserTracks<< | |
234cae2f | 833 | "friendTrack.="<<friendTrack<< |
c683985a | 834 | "\n"; |
2e16763c | 835 | //if (newFriendTrack) {delete friendTrack; friendTrack=NULL;} |
c683985a | 836 | } |
837 | } | |
838 | } | |
839 | ||
840 | //_____________________________________________________________________________ | |
841 | void AliAnalysisTaskFilteredTree::ProcessAll(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) | |
842 | { | |
843 | // | |
844 | // Select real events with high-pT tracks | |
845 | // Calculate and stor in the output tree: | |
846 | // TPC constrained tracks | |
847 | // InnerParams constrained tracks | |
848 | // TPC-ITS tracks | |
849 | // ITSout-InnerParams tracks | |
850 | // chi2 distance between TPC constrained and TPC-ITS tracks | |
851 | // chi2 distance between TPC refitted constrained and TPC-ITS tracks | |
852 | // chi2 distance between ITSout and InnerParams tracks | |
853 | // MC information: | |
854 | // track references at ITSin, TPCin; InnerParam at first TPC track reference, | |
855 | // particle ID, mother ID, production mechanism ... | |
856 | // | |
857 | ||
858 | if(!esdEvent) { | |
859 | AliDebug(AliLog::kError, "esdEvent not available"); | |
860 | return; | |
861 | } | |
862 | ||
863 | // get selection cuts | |
864 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
865 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
866 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
867 | ||
868 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
869 | AliDebug(AliLog::kError, "cuts not available"); | |
870 | return; | |
871 | } | |
872 | ||
873 | // trigger selection | |
874 | Bool_t isEventTriggered = kTRUE; | |
875 | AliPhysicsSelection *physicsSelection = NULL; | |
876 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
877 | ||
878 | // | |
879 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
880 | if (!inputHandler) | |
881 | { | |
882 | Printf("ERROR: Could not receive input handler"); | |
883 | return; | |
884 | } | |
234cae2f | 885 | |
c683985a | 886 | // get file name |
887 | TTree *chain = (TChain*)GetInputData(0); | |
888 | if(!chain) { | |
889 | Printf("ERROR: Could not receive input chain"); | |
890 | return; | |
891 | } | |
892 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
893 | ||
894 | // trigger | |
895 | if(evtCuts->IsTriggerRequired()) | |
896 | { | |
897 | // always MB | |
898 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
899 | ||
900 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
901 | if(!physicsSelection) {AliInfo("no physics selection"); return;} | |
902 | //SetPhysicsTriggerSelection(physicsSelection); | |
903 | ||
904 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
905 | // set trigger (V0AND) | |
906 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
907 | if(!triggerAnalysis) {AliInfo("no trigger analysis");return;} | |
908 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
909 | } | |
910 | } | |
911 | ||
912 | // centrality determination | |
913 | Float_t centralityF = -1; | |
914 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
915 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
916 | ||
917 | // use MC information | |
918 | AliHeader* header = 0; | |
919 | AliGenEventHeader* genHeader = 0; | |
920 | AliStack* stack = 0; | |
921 | TArrayF vtxMC(3); | |
922 | Int_t mcStackSize=0; | |
923 | ||
924 | Int_t multMCTrueTracks = 0; | |
925 | if(mcEvent) | |
926 | { | |
927 | // get MC event header | |
928 | header = mcEvent->Header(); | |
929 | if (!header) { | |
930 | AliDebug(AliLog::kError, "Header not available"); | |
931 | return; | |
932 | } | |
933 | // MC particle stack | |
934 | stack = mcEvent->Stack(); | |
935 | if (!stack) { | |
936 | AliDebug(AliLog::kError, "Stack not available"); | |
937 | return; | |
938 | } | |
939 | mcStackSize=stack->GetNtrack(); | |
940 | ||
941 | // get MC vertex | |
942 | genHeader = header->GenEventHeader(); | |
943 | if (!genHeader) { | |
944 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
945 | return; | |
946 | } | |
947 | genHeader->PrimaryVertex(vtxMC); | |
948 | ||
949 | // multipliticy of all MC primary tracks | |
950 | // in Zv, pt and eta ranges) | |
951 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
952 | ||
953 | } // end bUseMC | |
954 | ||
955 | // get reconstructed vertex | |
956 | //const AliESDVertex* vtxESD = 0; | |
957 | AliESDVertex* vtxESD = 0; | |
958 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 959 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 960 | } |
961 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 962 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 963 | } |
964 | else { | |
965 | AliInfo("no ESD vertex"); | |
234cae2f | 966 | return; |
c683985a | 967 | } |
968 | ||
969 | if(!vtxESD) return; | |
970 | ||
971 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
234cae2f | 972 | |
c683985a | 973 | // |
974 | // Vertex info comparison and track multiplicity | |
975 | // | |
976 | AliESDVertex *vertexSPD = (AliESDVertex *)esdEvent->GetPrimaryVertexSPD(); | |
977 | AliESDVertex *vertexTPC = (AliESDVertex *)esdEvent->GetPrimaryVertexTPC(); | |
978 | Int_t contSPD = vertexSPD->GetNContributors(); | |
979 | Int_t contTPC = vertexTPC->GetNContributors(); | |
980 | TVectorD vertexPosTPC(3), vertexPosSPD(3); | |
981 | vertexSPD->GetXYZ(vertexPosSPD.GetMatrixArray()); | |
982 | vertexTPC->GetXYZ(vertexPosTPC.GetMatrixArray()); | |
983 | Int_t ntracksTPC=0; | |
984 | Int_t ntracksITS=0; | |
985 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++){ | |
986 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
987 | if(!track) continue; | |
988 | if (track->IsOn(AliVTrack::kTPCrefit)) ntracksTPC++; | |
989 | if (track->IsOn(AliVTrack::kITSrefit)) ntracksITS++; | |
990 | } | |
234cae2f | 991 | |
c683985a | 992 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); |
993 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
994 | ||
995 | ||
996 | // check event cuts | |
997 | if(isEventOK && isEventTriggered) | |
998 | { | |
999 | // | |
1000 | // get IR information | |
1001 | // | |
1002 | AliESDHeader *esdHeader = 0; | |
1003 | esdHeader = esdEvent->GetHeader(); | |
1004 | if(!esdHeader) {AliInfo("no esdHeader");return;} | |
1005 | //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s | |
1006 | //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval | |
1007 | // | |
1008 | Int_t ir1 = 0; | |
1009 | Int_t ir2 = 0; | |
1010 | ||
1011 | // | |
1012 | Double_t vert[3] = {0}; | |
1013 | vert[0] = vtxESD->GetXv(); | |
1014 | vert[1] = vtxESD->GetYv(); | |
1015 | vert[2] = vtxESD->GetZv(); | |
1016 | Int_t mult = vtxESD->GetNContributors(); | |
1017 | Float_t bz = esdEvent->GetMagneticField(); | |
1018 | Int_t runNumber = esdEvent->GetRunNumber(); | |
1019 | Int_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
1020 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
1021 | ||
2e16763c | 1022 | Int_t numberOfTracks=esdEvent->GetNumberOfTracks(); |
c683985a | 1023 | // high pT tracks |
2e16763c | 1024 | for (Int_t iTrack = 0; iTrack < numberOfTracks; iTrack++) |
c683985a | 1025 | { |
1026 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
234cae2f | 1027 | AliESDfriendTrack* friendTrack=NULL; |
2e16763c | 1028 | Int_t numberOfFriendTracks=0; |
1029 | if (esdFriend) numberOfFriendTracks=esdFriend->GetNumberOfTracks(); | |
1030 | if (esdFriend && iTrack<numberOfFriendTracks) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
c683985a | 1031 | if(!track) continue; |
1032 | if(track->Charge()==0) continue; | |
1033 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
1034 | if(!accCuts->AcceptTrack(track)) continue; | |
234cae2f | 1035 | |
c683985a | 1036 | // downscale low-pT tracks |
1037 | Double_t scalempt= TMath::Min(track->Pt(),10.); | |
1038 | Double_t downscaleF = gRandom->Rndm(); | |
1039 | downscaleF *= fLowPtTrackDownscaligF; | |
1040 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
1041 | //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
1042 | ||
1043 | // Dump to the tree | |
1044 | // vertex | |
1045 | // TPC constrained tracks | |
1046 | // InnerParams constrained tracks | |
1047 | // TPC-ITS tracks | |
1048 | // ITSout-InnerParams tracks | |
1049 | // chi2 distance between TPC constrained and TPC-ITS tracks | |
1050 | // chi2 distance between TPC refitted constrained and TPC-ITS tracks | |
1051 | // chi2 distance between ITSout and InnerParams tracks | |
1052 | // MC information | |
234cae2f | 1053 | |
c683985a | 1054 | Double_t x[3]; track->GetXYZ(x); |
1055 | Double_t b[3]; AliTracker::GetBxByBz(x,b); | |
1056 | ||
1057 | // | |
1058 | // Transform TPC inner params to track reference frame | |
1059 | // | |
1060 | Bool_t isOKtpcInner = kFALSE; | |
1061 | AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam()); | |
1062 | if (tpcInner) { | |
1063 | // transform to the track reference frame | |
1064 | isOKtpcInner = tpcInner->Rotate(track->GetAlpha()); | |
1065 | isOKtpcInner = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1066 | } | |
1067 | ||
1068 | // | |
1069 | // Constrain TPC inner to vertex | |
1070 | // clone TPCinner has to be deleted | |
1071 | // | |
1072 | Bool_t isOKtpcInnerC = kFALSE; | |
1073 | AliExternalTrackParam * tpcInnerC = new AliExternalTrackParam(*(track->GetTPCInnerParam())); | |
1074 | if (tpcInnerC) { | |
1075 | isOKtpcInnerC = ConstrainTPCInner(tpcInnerC,vtxESD,b); | |
1076 | isOKtpcInnerC = tpcInnerC->Rotate(track->GetAlpha()); | |
1077 | isOKtpcInnerC = tpcInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1078 | } | |
1079 | ||
1080 | // | |
1081 | // Constrain TPC refitted tracks at inner TPC wall (InnerParams) to vertex | |
1082 | // Clone track InnerParams has to be deleted | |
1083 | // | |
1084 | Bool_t isOKtrackInnerC = kFALSE; | |
1085 | AliExternalTrackParam * trackInnerC = new AliExternalTrackParam(*(track->GetInnerParam())); | |
1086 | if (trackInnerC) { | |
1087 | isOKtrackInnerC = ConstrainTrackInner(trackInnerC,vtxESD,track->GetMass(),b); | |
1088 | isOKtrackInnerC = trackInnerC->Rotate(track->GetAlpha()); | |
1089 | isOKtrackInnerC = trackInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField()); | |
1090 | } | |
234cae2f | 1091 | |
c683985a | 1092 | // |
1093 | // calculate chi2 between vi and vj vectors | |
1094 | // with covi and covj covariance matrices | |
1095 | // chi2ij = (vi-vj)^(T)*(covi+covj)^(-1)*(vi-vj) | |
1096 | // | |
1097 | TMatrixD deltaT(5,1), deltaTtrackC(5,1); | |
1098 | TMatrixD delta(1,5), deltatrackC(1,5); | |
1099 | TMatrixD covarM(5,5), covarMtrackC(5,5); | |
1100 | TMatrixD chi2(1,1); | |
1101 | TMatrixD chi2trackC(1,1); | |
1102 | ||
1103 | if(isOKtpcInnerC && isOKtrackInnerC) | |
1104 | { | |
1105 | for (Int_t ipar=0; ipar<5; ipar++) { | |
1106 | deltaT(ipar,0)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; | |
234cae2f | 1107 | delta(0,ipar)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; |
c683985a | 1108 | |
1109 | deltaTtrackC(ipar,0)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; | |
234cae2f | 1110 | deltatrackC(0,ipar)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar]; |
c683985a | 1111 | |
1112 | for (Int_t jpar=0; jpar<5; jpar++) { | |
234cae2f | 1113 | Int_t index=track->GetIndex(ipar,jpar); |
1114 | covarM(ipar,jpar)=track->GetCovariance()[index]+tpcInnerC->GetCovariance()[index]; | |
1115 | covarMtrackC(ipar,jpar)=track->GetCovariance()[index]+trackInnerC->GetCovariance()[index]; | |
c683985a | 1116 | } |
1117 | } | |
1118 | ||
1119 | // chi2 distance TPC constrained and TPC+ITS | |
1120 | TMatrixD covarMInv = covarM.Invert(); | |
1121 | TMatrixD mat2 = covarMInv*deltaT; | |
1122 | chi2 = delta*mat2; | |
1123 | //chi2.Print(); | |
1124 | ||
1125 | // chi2 distance TPC refitted constrained and TPC+ITS | |
1126 | TMatrixD covarMInvtrackC = covarMtrackC.Invert(); | |
1127 | TMatrixD mat2trackC = covarMInvtrackC*deltaTtrackC; | |
1128 | chi2trackC = deltatrackC*mat2trackC; | |
1129 | //chi2trackC.Print(); | |
1130 | } | |
1131 | ||
1132 | ||
1133 | // | |
1134 | // Propagate ITSout to TPC inner wall | |
1135 | // and calculate chi2 distance to track (InnerParams) | |
1136 | // | |
1137 | const Double_t kTPCRadius=85; | |
1138 | const Double_t kStep=3; | |
1139 | ||
1140 | // clone track InnerParams has to be deleted | |
1141 | Bool_t isOKtrackInnerC2 = kFALSE; | |
1142 | AliExternalTrackParam *trackInnerC2 = new AliExternalTrackParam(*(track->GetInnerParam())); | |
1143 | if (trackInnerC2) { | |
1144 | isOKtrackInnerC2 = AliTracker::PropagateTrackToBxByBz(trackInnerC2,kTPCRadius,track->GetMass(),kStep,kFALSE); | |
1145 | } | |
1146 | ||
1147 | Bool_t isOKouterITSc = kFALSE; | |
1148 | AliExternalTrackParam *outerITSc = NULL; | |
1149 | TMatrixD chi2OuterITS(1,1); | |
1150 | ||
234cae2f | 1151 | if(esdFriend && !esdFriend->TestSkipBit()) |
c683985a | 1152 | { |
1153 | // propagate ITSout to TPC inner wall | |
c683985a | 1154 | if(friendTrack) |
234cae2f | 1155 | { |
1156 | ||
1157 | outerITSc = NULL; | |
1158 | if (friendTrack->GetITSOut()) outerITSc = new AliExternalTrackParam(*(friendTrack->GetITSOut())); | |
c683985a | 1159 | if(outerITSc) |
234cae2f | 1160 | { |
c683985a | 1161 | isOKouterITSc = AliTracker::PropagateTrackToBxByBz(outerITSc,kTPCRadius,track->GetMass(),kStep,kFALSE); |
1162 | isOKouterITSc = outerITSc->Rotate(trackInnerC2->GetAlpha()); | |
1163 | isOKouterITSc = outerITSc->PropagateTo(trackInnerC2->GetX(),esdEvent->GetMagneticField()); | |
1164 | ||
234cae2f | 1165 | // |
c683985a | 1166 | // calculate chi2 between outerITS and innerParams |
234cae2f | 1167 | // cov without z-coordinate at the moment |
1168 | // | |
c683985a | 1169 | TMatrixD deltaTouterITS(4,1); |
1170 | TMatrixD deltaouterITS(1,4); | |
1171 | TMatrixD covarMouterITS(4,4); | |
1172 | ||
1173 | if(isOKtrackInnerC2 && isOKouterITSc) { | |
234cae2f | 1174 | Int_t kipar = 0; |
1175 | Int_t kjpar = 0; | |
c683985a | 1176 | for (Int_t ipar=0; ipar<5; ipar++) { |
234cae2f | 1177 | if(ipar!=1) { |
c683985a | 1178 | deltaTouterITS(kipar,0)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar]; |
234cae2f | 1179 | deltaouterITS(0,kipar)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar]; |
1180 | } | |
c683985a | 1181 | |
1182 | kjpar=0; | |
1183 | for (Int_t jpar=0; jpar<5; jpar++) { | |
234cae2f | 1184 | Int_t index=outerITSc->GetIndex(ipar,jpar); |
1185 | if(ipar !=1 || jpar!=1) { | |
1186 | covarMouterITS(kipar,kjpar)=outerITSc->GetCovariance()[index]+trackInnerC2->GetCovariance()[index]; | |
1187 | } | |
c683985a | 1188 | if(jpar!=1) kjpar++; |
234cae2f | 1189 | } |
1190 | if(ipar!=1) kipar++; | |
1191 | } | |
c683985a | 1192 | |
1193 | // chi2 distance ITSout and InnerParams | |
1194 | TMatrixD covarMInvouterITS = covarMouterITS.Invert(); | |
1195 | TMatrixD mat2outerITS = covarMInvouterITS*deltaTouterITS; | |
1196 | chi2OuterITS = deltaouterITS*mat2outerITS; | |
1197 | //chi2OuterITS.Print(); | |
234cae2f | 1198 | } |
c683985a | 1199 | } |
1200 | } | |
1201 | } | |
1202 | ||
1203 | // | |
1204 | // MC info | |
1205 | // | |
1206 | TParticle *particle=NULL, *particleTPC=NULL, *particleITS=NULL; | |
1207 | TParticle *particleMother=NULL, *particleMotherTPC=NULL, *particleMotherITS=NULL; | |
1208 | Int_t mech=-1, mechTPC=-1, mechITS=-1; | |
1209 | Bool_t isPrim=kFALSE, isPrimTPC=kFALSE, isPrimITS=kFALSE; | |
1210 | Bool_t isFromStrangess=kFALSE, isFromStrangessTPC=kFALSE, isFromStrangessITS=kFALSE; | |
1211 | Bool_t isFromConversion=kFALSE, isFromConversionTPC=kFALSE, isFromConversionITS=kFALSE; | |
1212 | Bool_t isFromMaterial=kFALSE, isFromMaterialTPC=kFALSE, isFromMaterialITS=kFALSE; | |
1213 | ||
1214 | AliTrackReference *refTPCIn = NULL; | |
1215 | AliTrackReference *refTPCOut = NULL; | |
1216 | AliTrackReference *refITS = NULL; | |
1217 | AliTrackReference *refTRD = NULL; | |
1218 | AliTrackReference *refTOF = NULL; | |
1219 | AliTrackReference *refEMCAL = NULL; | |
1220 | AliTrackReference *refPHOS = NULL; | |
1221 | Int_t nrefTPC=0, nrefTRD=0, nrefTOF=0, nrefITS=0, nrefEMCAL=0, nrefPHOS=0; | |
1222 | ||
1223 | Bool_t isOKtrackInnerC3 = kFALSE; | |
1224 | AliExternalTrackParam *trackInnerC3 = new AliExternalTrackParam(*(track->GetInnerParam())); | |
2e16763c | 1225 | if(mcEvent && stack) |
c683985a | 1226 | { |
2e16763c | 1227 | do //artificial loop (once) to make the continue statements jump out of the MC part |
234cae2f | 1228 | { |
2e16763c | 1229 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); |
1230 | // | |
1231 | // global track | |
1232 | // | |
1233 | Int_t label = TMath::Abs(track->GetLabel()); | |
1234 | if (label >= mcStackSize) continue; | |
1235 | particle = stack->Particle(label); | |
1236 | if (!particle) continue; | |
1237 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0.) | |
1238 | { | |
1239 | particleMother = GetMother(particle,stack); | |
1240 | mech = particle->GetUniqueID(); | |
1241 | isPrim = stack->IsPhysicalPrimary(label); | |
1242 | isFromStrangess = IsFromStrangeness(label,stack); | |
1243 | isFromConversion = IsFromConversion(label,stack); | |
1244 | isFromMaterial = IsFromMaterial(label,stack); | |
1245 | } | |
c683985a | 1246 | |
2e16763c | 1247 | // |
1248 | // TPC track | |
1249 | // | |
1250 | Int_t labelTPC = TMath::Abs(track->GetTPCLabel()); | |
1251 | if (labelTPC >= mcStackSize) continue; | |
1252 | particleTPC = stack->Particle(labelTPC); | |
1253 | if (!particleTPC) continue; | |
1254 | if(particleTPC && particleTPC->GetPDG() && particleTPC->GetPDG()->Charge()!=0.) | |
1255 | { | |
1256 | particleMotherTPC = GetMother(particleTPC,stack); | |
1257 | mechTPC = particleTPC->GetUniqueID(); | |
1258 | isPrimTPC = stack->IsPhysicalPrimary(labelTPC); | |
1259 | isFromStrangessTPC = IsFromStrangeness(labelTPC,stack); | |
1260 | isFromConversionTPC = IsFromConversion(labelTPC,stack); | |
1261 | isFromMaterialTPC = IsFromMaterial(labelTPC,stack); | |
1262 | } | |
c683985a | 1263 | |
2e16763c | 1264 | // |
1265 | // store first track reference | |
1266 | // for TPC track | |
1267 | // | |
1268 | TParticle *part=0; | |
1269 | TClonesArray *trefs=0; | |
1270 | Int_t status = mcEvent->GetParticleAndTR(TMath::Abs(labelTPC), part, trefs); | |
c683985a | 1271 | |
2e16763c | 1272 | if(status>0 && part && trefs && part->GetPDG() && part->GetPDG()->Charge()!=0.) |
c683985a | 1273 | { |
2e16763c | 1274 | Int_t nTrackRef = trefs->GetEntries(); |
1275 | //printf("nTrackRef %d \n",nTrackRef); | |
c683985a | 1276 | |
2e16763c | 1277 | Int_t countITS = 0; |
1278 | for (Int_t iref = 0; iref < nTrackRef; iref++) | |
c683985a | 1279 | { |
2e16763c | 1280 | AliTrackReference *ref = (AliTrackReference *)trefs->At(iref); |
1281 | ||
1282 | // Ref. in the middle ITS | |
1283 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kITS) | |
1284 | { | |
1285 | nrefITS++; | |
1286 | if(!refITS && countITS==2) { | |
1287 | refITS = ref; | |
1288 | //printf("refITS %p \n",refITS); | |
1289 | } | |
1290 | countITS++; | |
234cae2f | 1291 | } |
c683985a | 1292 | |
2e16763c | 1293 | // TPC |
1294 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTPC) | |
1295 | { | |
1296 | nrefTPC++; | |
1297 | refTPCOut=ref; | |
1298 | if(!refTPCIn) { | |
1299 | refTPCIn = ref; | |
1300 | //printf("refTPCIn %p \n",refTPCIn); | |
1301 | //break; | |
1302 | } | |
234cae2f | 1303 | } |
2e16763c | 1304 | // TRD |
1305 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTRD) | |
1306 | { | |
1307 | nrefTRD++; | |
1308 | if(!refTRD) { | |
1309 | refTRD = ref; | |
1310 | } | |
234cae2f | 1311 | } |
2e16763c | 1312 | // TOF |
1313 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kTOF) | |
1314 | { | |
1315 | nrefTOF++; | |
1316 | if(!refTOF) { | |
1317 | refTOF = ref; | |
1318 | } | |
234cae2f | 1319 | } |
2e16763c | 1320 | // EMCAL |
1321 | if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kEMCAL) | |
1322 | { | |
1323 | nrefEMCAL++; | |
1324 | if(!refEMCAL) { | |
1325 | refEMCAL = ref; | |
1326 | } | |
1327 | } | |
1328 | // PHOS | |
1329 | // if(ref && ref->Label()==label && ref->DetectorId()==AliTrackReference::kPHOS) | |
1330 | // { | |
1331 | // nrefPHOS++; | |
1332 | // if(!refPHOS) { | |
1333 | // refPHOS = ref; | |
1334 | // } | |
1335 | // } | |
c683985a | 1336 | } |
2e16763c | 1337 | |
1338 | // transform inner params to TrackRef | |
1339 | // reference frame | |
1340 | if(refTPCIn && trackInnerC3) | |
c683985a | 1341 | { |
2e16763c | 1342 | Double_t kRefPhi = TMath::ATan2(refTPCIn->Y(),refTPCIn->X()); |
1343 | isOKtrackInnerC3 = trackInnerC3->Rotate(kRefPhi); | |
1344 | isOKtrackInnerC3 = AliTracker::PropagateTrackToBxByBz(trackInnerC3,refTPCIn->R(),track->GetMass(),kStep,kFALSE); | |
c683985a | 1345 | } |
234cae2f | 1346 | } |
c683985a | 1347 | |
2e16763c | 1348 | // |
1349 | // ITS track | |
1350 | // | |
1351 | Int_t labelITS = TMath::Abs(track->GetITSLabel()); | |
1352 | if (labelITS >= mcStackSize) continue; | |
1353 | particleITS = stack->Particle(labelITS); | |
1354 | if (!particleITS) continue; | |
1355 | if(particleITS && particleITS->GetPDG() && particleITS->GetPDG()->Charge()!=0.) | |
234cae2f | 1356 | { |
2e16763c | 1357 | particleMotherITS = GetMother(particleITS,stack); |
1358 | mechITS = particleITS->GetUniqueID(); | |
1359 | isPrimITS = stack->IsPhysicalPrimary(labelITS); | |
1360 | isFromStrangessITS = IsFromStrangeness(labelITS,stack); | |
1361 | isFromConversionITS = IsFromConversion(labelITS,stack); | |
1362 | isFromMaterialITS = IsFromMaterial(labelITS,stack); | |
234cae2f | 1363 | } |
c683985a | 1364 | } |
2e16763c | 1365 | while (0); |
c683985a | 1366 | } |
1367 | ||
234cae2f | 1368 | // |
2e16763c | 1369 | Bool_t dumpToTree=kFALSE; |
1370 | ||
1371 | if(isOKtpcInnerC && isOKtrackInnerC) dumpToTree = kTRUE; | |
1372 | //if(fUseESDfriends && isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE; | |
1373 | if(isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE; | |
1374 | if(mcEvent && isOKtrackInnerC3) dumpToTree = kTRUE; | |
1375 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
1376 | if (fReducePileUp){ | |
1377 | // | |
1378 | // 18.03 - Reduce pile-up chunks, done outside of the ESDTrackCuts for 2012/2013 data pile-up about 95 % of tracks | |
1379 | // Done only in case no MC info | |
1380 | // | |
1381 | Float_t dcaTPC[2]; | |
1382 | track->GetImpactParametersTPC(dcaTPC[0],dcaTPC[1]); | |
1383 | Bool_t isRoughPrimary = TMath::Abs(dcaTPC[1])<10; | |
1384 | Bool_t hasOuter=(track->IsOn(AliVTrack::kITSin))||(track->IsOn(AliVTrack::kTOFout))||(track->IsOn(AliVTrack::kTRDin)); | |
1385 | Bool_t keepPileUp=gRandom->Rndm()<0.05; | |
1386 | if ( (!hasOuter) && (!isRoughPrimary) && (!keepPileUp)){ | |
1387 | dumpToTree=kFALSE; | |
1388 | } | |
234cae2f | 1389 | } |
c683985a | 1390 | |
2e16763c | 1391 | //init dummy objects |
b3982e10 | 1392 | static AliESDVertex dummyvtxESD; |
1393 | //if (!dummyvtxESD) | |
1394 | //{ | |
1395 | // dummyvtxESD=new AliESDVertex(); | |
1396 | // //dummyvtxESD->SetNContributors(1); | |
1397 | // //UShort_t pindices[1]; pindices[0]=0; | |
1398 | // //dummyvtxESD->SetIndices(1,pindices); | |
1399 | // //dummyvtxESD->SetNContributors(0); | |
1400 | //} | |
1401 | static AliExternalTrackParam dummyexternaltrackparam; | |
1402 | //if (!dummyexternaltrackparam) dummyexternaltrackparam=new AliExternalTrackParam(); | |
1403 | static AliTrackReference dummytrackreference; | |
1404 | //if (!dummytrackreference) dummytrackreference=new AliTrackReference(); | |
1405 | static TParticle dummyparticle; | |
1406 | //if (!dummyparticle) dummyparticle=new TParticle(); | |
2e16763c | 1407 | |
1408 | //assign the dummy objects if needed | |
b3982e10 | 1409 | if (!track) {track=fDummyTrack;} |
2e16763c | 1410 | if (!friendTrack) {friendTrack=fDummyFriendTrack;} |
b3982e10 | 1411 | if (!vtxESD) {vtxESD=&dummyvtxESD;} |
c683985a | 1412 | if (mcEvent) |
1413 | { | |
b3982e10 | 1414 | if (!refTPCIn) {refTPCIn=&dummytrackreference;} |
1415 | if (!refITS) {refITS=&dummytrackreference;} | |
1416 | if (!particle) {particle=&dummyparticle;} | |
1417 | if (!particleMother) {particleMother=&dummyparticle;} | |
1418 | if (!particleTPC) {particleTPC=&dummyparticle;} | |
1419 | if (!particleMotherTPC) {particleMotherTPC=&dummyparticle;} | |
1420 | if (!particleITS) {particleITS=&dummyparticle;} | |
1421 | if (!particleMotherITS) {particleMotherITS=&dummyparticle;} | |
c683985a | 1422 | } |
2e16763c | 1423 | //the following are guaranteed to exist: |
b3982e10 | 1424 | //if (!tpcInnerC) {tpcInnerC=&dummyexternaltrackparam;} |
1425 | //if (!trackInnerC) {trackInnerC=&dummyexternaltrackparam;} | |
1426 | //if (!trackInnerC2) {trackInnerC2=&dummyexternaltrackparam;} | |
1427 | //if (!outerITSc) {outerITSc=&dummyexternaltrackparam;} | |
1428 | //if (!trackInnerC3) {trackInnerC3=&dummyexternaltrackparam;} | |
2e16763c | 1429 | ///////////////////////// |
1430 | ||
1431 | //Double_t vtxX=vtxESD->GetX(); | |
1432 | //Double_t vtxY=vtxESD->GetY(); | |
1433 | //Double_t vtxZ=vtxESD->GetZ(); | |
1434 | ||
1435 | //AliESDVertex* pvtxESD = (AliESDVertex*)vtxESD->Clone(); | |
1436 | //AliESDtrack* ptrack=(AliESDtrack*)track->Clone(); | |
1437 | //AliExternalTrackParam* ptpcInnerC = (AliExternalTrackParam*)tpcInnerC->Clone(); | |
1438 | //AliExternalTrackParam* ptrackInnerC = (AliExternalTrackParam*)trackInnerC->Clone(); | |
1439 | //AliExternalTrackParam* ptrackInnerC2 = (AliExternalTrackParam*)trackInnerC2->Clone(); | |
1440 | //AliExternalTrackParam* pouterITSc = (AliExternalTrackParam*)outerITSc->Clone(); | |
1441 | //AliExternalTrackParam* ptrackInnerC3 = (AliExternalTrackParam*)trackInnerC3->Clone(); | |
1442 | //AliESDVertex* pvtxESD = new AliESDVertex(*vtxESD); | |
1443 | //AliESDtrack* ptrack= new AliESDtrack(*track); | |
1444 | //AliExternalTrackParam* ptpcInnerC = new AliExternalTrackParam(*tpcInnerC); | |
1445 | //AliExternalTrackParam* ptrackInnerC = new AliExternalTrackParam(*trackInnerC); | |
1446 | //AliExternalTrackParam* ptrackInnerC2 = new AliExternalTrackParam(*trackInnerC2); | |
1447 | //AliExternalTrackParam* pouterITSc = new AliExternalTrackParam(*outerITSc); | |
1448 | //AliExternalTrackParam* ptrackInnerC3 = new AliExternalTrackParam(*trackInnerC3); | |
1449 | ||
1450 | Int_t ntracks = esdEvent->GetNumberOfTracks(); | |
1451 | ||
1452 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
1453 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
1454 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
1455 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
1456 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
1457 | ||
1458 | // fill histograms | |
1459 | FillHistograms(track, tpcInnerC, centralityF, (Double_t)chi2(0,0)); | |
1460 | ||
1461 | if(fTreeSRedirector && dumpToTree && fFillTree) | |
1462 | { | |
c683985a | 1463 | |
2e16763c | 1464 | //if (friendTrack) |
1465 | //{ | |
1466 | // const AliTrackPointArray* array = friendTrack->GetTrackPointArray(); | |
1467 | // if (!array) {printf("we have a friend, but the ponits are empty\n"); continue;} | |
1468 | // if (friendTrack==fDummyFriendTrack) printf("using the dummy friend track\n"); | |
1469 | // cout<<array->GetX()[0]<<" "<<array->GetX()[2]<<endl; | |
1470 | //} | |
1471 | //else | |
1472 | //{ | |
1473 | // printf("no friend track\n"); | |
1474 | //} | |
1475 | ||
1476 | ||
1477 | (*fTreeSRedirector)<<"highPt"<< | |
1478 | "gid="<<gid<< | |
1479 | "fileName.="<<&fileName<< // name of the chunk file (hopefully full) | |
1480 | "runNumber="<<runNumber<< // runNumber | |
1481 | "evtTimeStamp="<<evtTimeStamp<< // time stamp of event (in seconds) | |
1482 | "evtNumberInFile="<<evtNumberInFile<< // event number | |
1483 | "triggerClass="<<&triggerClass<< // trigger class as a string | |
1484 | "Bz="<<bz<< // solenoid magnetic field in the z direction (in kGaus) | |
1485 | "vtxESD.="<<vtxESD<< // vertexer ESD tracks (can be biased by TPC pileup tracks) | |
1486 | //"vtxESDx="<<vtxX<< | |
1487 | //"vtxESDy="<<vtxY<< | |
1488 | //"vtxESDz="<<vtxZ<< | |
1489 | "IRtot="<<ir1<< // interaction record (trigger) counters - coutner 1 | |
1490 | "IRint2="<<ir2<< // interaction record (trigger) coutners - counter 2 | |
1491 | "mult="<<mult<< // multiplicity of tracks pointing to the primary vertex | |
1492 | "ntracks="<<ntracks<< // number of the esd tracks (to take into account the pileup in the TPC) | |
1493 | // important variables for the pile-up studies | |
1494 | "contTPC="<< contTPC<< // number of contributors to the TPC primary vertex candidate | |
1495 | "contSPD="<< contSPD<< // number of contributors to the SPD primary vertex candidate | |
1496 | "vertexPosTPC.="<<&vertexPosTPC<< // TPC vertex position | |
1497 | "vertexPosSPD.="<<&vertexPosSPD<< // SPD vertex position | |
1498 | "ntracksTPC="<<ntracksTPC<< // total number of the TPC tracks which were refitted | |
1499 | "ntracksITS="<<ntracksITS<< // total number of the ITS tracks which were refitted | |
1500 | // | |
1501 | "esdTrack.="<<track<< // esdTrack as used in the physical analysis | |
1502 | "friendTrack.="<<friendTrack<< // esdFriendTrack associated to the esdTrack | |
1503 | "extTPCInnerC.="<<tpcInnerC<< // ??? | |
1504 | "extInnerParamC.="<<trackInnerC<< // ??? | |
1505 | "extInnerParam.="<<trackInnerC2<< // ??? | |
1506 | "extOuterITS.="<<outerITSc<< // ??? | |
1507 | "extInnerParamRef.="<<trackInnerC3<< // ??? | |
1508 | "chi2TPCInnerC="<<chi2(0,0)<< // chi2 of tracks ??? | |
1509 | "chi2InnerC="<<chi2trackC(0,0)<< // chi2s of tracks TPCinner to the combined | |
1510 | "chi2OuterITS="<<chi2OuterITS(0,0)<< // chi2s of tracks TPC at inner wall to the ITSout | |
1511 | "centralityF="<<centralityF; | |
1512 | if (mcEvent) | |
1513 | { | |
b3982e10 | 1514 | static AliTrackReference refDummy; |
2e16763c | 1515 | if (!refITS) refITS = &refDummy; |
1516 | if (!refTRD) refTRD = &refDummy; | |
1517 | if (!refTOF) refTOF = &refDummy; | |
1518 | if (!refEMCAL) refEMCAL = &refDummy; | |
1519 | if (!refPHOS) refPHOS = &refDummy; | |
1520 | (*fTreeSRedirector)<<"highPt"<< | |
1521 | "multMCTrueTracks="<<multMCTrueTracks<< // mC track multiplicities | |
1522 | "nrefITS="<<nrefITS<< // number of track references in the ITS | |
1523 | "nrefTPC="<<nrefTPC<< // number of track references in the TPC | |
1524 | "nrefTRD="<<nrefTRD<< // number of track references in the TRD | |
1525 | "nrefTOF="<<nrefTOF<< // number of track references in the TOF | |
1526 | "nrefEMCAL="<<nrefEMCAL<< // number of track references in the TOF | |
1527 | "nrefPHOS="<<nrefPHOS<< // number of track references in the TOF | |
1528 | "refTPCIn.="<<refTPCIn<< | |
1529 | "refTPCOut.="<<refTPCOut<< | |
1530 | "refITS.="<<refITS<< | |
1531 | "refTRD.="<<refTRD<< | |
1532 | "refTOF.="<<refTOF<< | |
1533 | "refEMCAL.="<<refEMCAL<< | |
1534 | "refPHOS.="<<refPHOS<< | |
1535 | "particle.="<<particle<< | |
1536 | "particleMother.="<<particleMother<< | |
1537 | "mech="<<mech<< | |
1538 | "isPrim="<<isPrim<< | |
1539 | "isFromStrangess="<<isFromStrangess<< | |
1540 | "isFromConversion="<<isFromConversion<< | |
1541 | "isFromMaterial="<<isFromMaterial<< | |
1542 | "particleTPC.="<<particleTPC<< | |
1543 | "particleMotherTPC.="<<particleMotherTPC<< | |
1544 | "mechTPC="<<mechTPC<< | |
1545 | "isPrimTPC="<<isPrimTPC<< | |
1546 | "isFromStrangessTPC="<<isFromStrangessTPC<< | |
1547 | "isFromConversionTPC="<<isFromConversionTPC<< | |
1548 | "isFromMaterialTPC="<<isFromMaterialTPC<< | |
1549 | "particleITS.="<<particleITS<< | |
1550 | "particleMotherITS.="<<particleMotherITS<< | |
1551 | "mechITS="<<mechITS<< | |
1552 | "isPrimITS="<<isPrimITS<< | |
1553 | "isFromStrangessITS="<<isFromStrangessITS<< | |
1554 | "isFromConversionITS="<<isFromConversionITS<< | |
1555 | "isFromMaterialITS="<<isFromMaterialITS; | |
1556 | } | |
1557 | //finish writing the entry | |
1558 | AliInfo("writing tree highPt"); | |
1559 | (*fTreeSRedirector)<<"highPt"<<"\n"; | |
1560 | } | |
b3982e10 | 1561 | AliSysInfo::AddStamp("filteringTask",iTrack,numberOfTracks,numberOfFriendTracks,(friendTrack=fDummyFriendTrack)?0:1); |
2e16763c | 1562 | |
1563 | delete tpcInnerC; | |
1564 | delete trackInnerC; | |
1565 | delete trackInnerC2; | |
1566 | delete outerITSc; | |
1567 | delete trackInnerC3; | |
1568 | } | |
c683985a | 1569 | } |
1570 | ||
1571 | } | |
1572 | ||
1573 | ||
1574 | //_____________________________________________________________________________ | |
1575 | void AliAnalysisTaskFilteredTree::ProcessMCEff(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/) | |
1576 | { | |
1577 | // | |
1578 | // Fill tree for efficiency studies MC only | |
1579 | AliInfo("we start!"); | |
1580 | ||
1581 | if(!esdEvent) { | |
1582 | AliDebug(AliLog::kError, "esdEvent not available"); | |
1583 | return; | |
1584 | } | |
1585 | ||
1586 | if(!mcEvent) { | |
1587 | AliDebug(AliLog::kError, "mcEvent not available"); | |
1588 | return; | |
1589 | } | |
1590 | ||
1591 | // get selection cuts | |
1592 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
1593 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
1594 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
1595 | ||
1596 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
1597 | AliDebug(AliLog::kError, "cuts not available"); | |
1598 | return; | |
1599 | } | |
1600 | ||
1601 | // trigger selection | |
1602 | Bool_t isEventTriggered = kTRUE; | |
1603 | AliPhysicsSelection *physicsSelection = NULL; | |
1604 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
1605 | ||
1606 | // | |
1607 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
1608 | if (!inputHandler) | |
1609 | { | |
1610 | Printf("ERROR: Could not receive input handler"); | |
1611 | return; | |
1612 | } | |
1613 | ||
1614 | // get file name | |
1615 | TTree *chain = (TChain*)GetInputData(0); | |
1616 | if(!chain) { | |
1617 | Printf("ERROR: Could not receive input chain"); | |
1618 | return; | |
1619 | } | |
1620 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
1621 | ||
1622 | // trigger | |
1623 | if(evtCuts->IsTriggerRequired()) | |
1624 | { | |
1625 | // always MB | |
1626 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
1627 | ||
1628 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
1629 | if(!physicsSelection) return; | |
1630 | ||
1631 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
1632 | // set trigger (V0AND) | |
1633 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
1634 | if(!triggerAnalysis) return; | |
1635 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
1636 | } | |
1637 | } | |
1638 | ||
1639 | // centrality determination | |
1640 | Float_t centralityF = -1; | |
1641 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
1642 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
1643 | ||
1644 | // use MC information | |
1645 | AliHeader* header = 0; | |
1646 | AliGenEventHeader* genHeader = 0; | |
1647 | AliStack* stack = 0; | |
1648 | Int_t mcStackSize=0; | |
1649 | TArrayF vtxMC(3); | |
1650 | ||
1651 | Int_t multMCTrueTracks = 0; | |
1652 | // | |
1653 | if(!mcEvent) { | |
1654 | AliDebug(AliLog::kError, "mcEvent not available"); | |
1655 | return; | |
1656 | } | |
1657 | // get MC event header | |
1658 | header = mcEvent->Header(); | |
1659 | if (!header) { | |
1660 | AliDebug(AliLog::kError, "Header not available"); | |
1661 | return; | |
1662 | } | |
1663 | // MC particle stack | |
1664 | stack = mcEvent->Stack(); | |
1665 | if (!stack) { | |
1666 | AliDebug(AliLog::kError, "Stack not available"); | |
1667 | return; | |
1668 | } | |
1669 | mcStackSize=stack->GetNtrack(); | |
1670 | ||
1671 | // get MC vertex | |
1672 | genHeader = header->GenEventHeader(); | |
1673 | if (!genHeader) { | |
1674 | AliDebug(AliLog::kError, "Could not retrieve genHeader from Header"); | |
1675 | return; | |
1676 | } | |
1677 | genHeader->PrimaryVertex(vtxMC); | |
1678 | ||
1679 | // multipliticy of all MC primary tracks | |
1680 | // in Zv, pt and eta ranges) | |
1681 | multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts); | |
1682 | ||
1683 | ||
1684 | // get reconstructed vertex | |
1685 | //const AliESDVertex* vtxESD = 0; | |
1686 | AliESDVertex* vtxESD = 0; | |
1687 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
1688 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); | |
1689 | } | |
1690 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
1691 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); | |
1692 | } | |
1693 | else { | |
1694 | return; | |
1695 | } | |
1696 | ||
1697 | if(!vtxESD) return; | |
1698 | // | |
1699 | // Vertex info comparison and track multiplicity | |
1700 | // | |
1701 | AliESDVertex *vertexSPD = (AliESDVertex *)esdEvent->GetPrimaryVertexSPD(); | |
1702 | AliESDVertex *vertexTPC = (AliESDVertex *)esdEvent->GetPrimaryVertexTPC(); | |
1703 | Int_t contSPD = vertexSPD->GetNContributors(); | |
1704 | Int_t contTPC = vertexTPC->GetNContributors(); | |
1705 | TVectorD vertexPosTPC(3), vertexPosSPD(3); | |
1706 | vertexSPD->GetXYZ(vertexPosSPD.GetMatrixArray()); | |
1707 | vertexTPC->GetXYZ(vertexPosTPC.GetMatrixArray()); | |
1708 | Int_t ntracksTPC=0; | |
1709 | Int_t ntracksITS=0; | |
1710 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++){ | |
1711 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
1712 | if(!track) continue; | |
1713 | if (track->IsOn(AliVTrack::kTPCrefit)) ntracksTPC++; | |
1714 | if (track->IsOn(AliVTrack::kITSrefit)) ntracksITS++; | |
1715 | } | |
1716 | ||
1717 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
1718 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
1719 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
1720 | ||
1721 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
1722 | ||
1723 | // check event cuts | |
1724 | if(isEventOK && isEventTriggered) | |
1725 | { | |
1726 | //if(!stack) return; | |
1727 | ||
1728 | // | |
1729 | // MC info | |
1730 | // | |
1731 | TParticle *particle=NULL; | |
1732 | TParticle *particleMother=NULL; | |
1733 | Int_t mech=-1; | |
1734 | ||
1735 | // reco event info | |
1736 | Double_t vert[3] = {0}; | |
1737 | vert[0] = vtxESD->GetXv(); | |
1738 | vert[1] = vtxESD->GetYv(); | |
1739 | vert[2] = vtxESD->GetZv(); | |
1740 | Int_t mult = vtxESD->GetNContributors(); | |
1741 | Double_t bz = esdEvent->GetMagneticField(); | |
1742 | Double_t runNumber = esdEvent->GetRunNumber(); | |
1743 | Double_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
1744 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
234cae2f | 1745 | // loop over MC stack |
c683985a | 1746 | for (Int_t iMc = 0; iMc < mcStackSize; ++iMc) |
1747 | { | |
1748 | particle = stack->Particle(iMc); | |
1749 | if (!particle) | |
1750 | continue; | |
1751 | ||
1752 | // only charged particles | |
1753 | if(!particle->GetPDG()) continue; | |
1754 | Double_t charge = particle->GetPDG()->Charge()/3.; | |
1755 | if (TMath::Abs(charge) < 0.001) | |
1756 | continue; | |
1757 | ||
1758 | // only primary particles | |
1759 | Bool_t prim = stack->IsPhysicalPrimary(iMc); | |
1760 | if(!prim) continue; | |
1761 | ||
1762 | // downscale low-pT particles | |
1763 | Double_t scalempt= TMath::Min(particle->Pt(),10.); | |
1764 | Double_t downscaleF = gRandom->Rndm(); | |
1765 | downscaleF *= fLowPtTrackDownscaligF; | |
1766 | if(TMath::Exp(2*scalempt)<downscaleF) continue; | |
1767 | ||
1768 | // is particle in acceptance | |
1769 | if(!accCuts->AcceptTrack(particle)) continue; | |
1770 | ||
1771 | // check if particle reconstructed | |
1772 | Bool_t isRec = kFALSE; | |
1773 | Int_t trackIndex = -1; | |
1774 | Int_t trackLoopIndex = -1; | |
1775 | Int_t isESDtrackCut= 0; | |
1776 | Int_t isAccCuts = 0; | |
1777 | Int_t nRec = 0; // how many times reconstructed | |
1778 | Int_t nFakes = 0; // how many times reconstructed as a fake track | |
1779 | AliESDtrack *recTrack = NULL; | |
1780 | ||
1781 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
1782 | { | |
1783 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
1784 | if(!track) continue; | |
1785 | if(track->Charge()==0) continue; | |
234cae2f | 1786 | // |
1787 | Int_t label = TMath::Abs(track->GetLabel()); | |
1788 | if (label >= mcStackSize) continue; | |
1789 | if(label == iMc) { | |
1790 | Bool_t isAcc=esdTrackCuts->AcceptTrack(track); | |
1791 | if (isAcc) isESDtrackCut=1; | |
1792 | if (accCuts->AcceptTrack(track)) isAccCuts=1; | |
1793 | isRec = kTRUE; | |
c683985a | 1794 | trackIndex = iTrack; |
1795 | ||
234cae2f | 1796 | if (recTrack){ |
1797 | if (track->GetTPCncls()<recTrack->GetTPCncls()) continue; // in case looper tracks use longer track | |
1798 | if (!isAcc) continue; | |
1799 | trackLoopIndex = iTrack; | |
1800 | } | |
1801 | recTrack = esdEvent->GetTrack(trackIndex); | |
c683985a | 1802 | nRec++; |
1803 | if(track->GetLabel()<0) nFakes++; | |
1804 | ||
234cae2f | 1805 | continue; |
1806 | } | |
c683985a | 1807 | } |
234cae2f | 1808 | |
c683985a | 1809 | // Store information in the output tree |
1810 | if (trackLoopIndex>-1) { | |
1811 | recTrack = esdEvent->GetTrack(trackLoopIndex); | |
1812 | } else if (trackIndex >-1) { | |
1813 | recTrack = esdEvent->GetTrack(trackIndex); | |
1814 | } else { | |
2e16763c | 1815 | recTrack = fDummyTrack; |
c683985a | 1816 | } |
1817 | ||
1818 | particleMother = GetMother(particle,stack); | |
1819 | mech = particle->GetUniqueID(); | |
1820 | ||
1821 | //MC particle track length | |
1822 | Double_t tpcTrackLength = 0.; | |
1823 | AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(iMc); | |
1824 | if(mcParticle) { | |
1825 | Int_t counter; | |
1826 | tpcTrackLength = mcParticle->GetTPCTrackLength(bz,0.05,counter,3.0); | |
1827 | } | |
1828 | ||
1829 | ||
1830 | // | |
1831 | if(fTreeSRedirector && fFillTree) { | |
1832 | (*fTreeSRedirector)<<"MCEffTree"<< | |
1833 | "fileName.="<<&fileName<< | |
1834 | "triggerClass.="<<&triggerClass<< | |
1835 | "runNumber="<<runNumber<< | |
1836 | "evtTimeStamp="<<evtTimeStamp<< | |
1837 | "evtNumberInFile="<<evtNumberInFile<< // | |
1838 | "Bz="<<bz<< // magnetic field | |
1839 | "vtxESD.="<<vtxESD<< // vertex info | |
234cae2f | 1840 | // |
c683985a | 1841 | "mult="<<mult<< // primary vertex 9whatewe found) multiplicity |
234cae2f | 1842 | "multMCTrueTracks="<<multMCTrueTracks<< // mC track multiplicities |
1843 | // important variables for the pile-up studies | |
1844 | "contTPC="<< contTPC<< // number of contributors to the TPC primary vertex candidate | |
1845 | "contSPD="<< contSPD<< // number of contributors to the SPD primary vertex candidate | |
1846 | "vertexPosTPC.="<<&vertexPosTPC<< // TPC vertex position | |
1847 | "vertexPosSPD.="<<&vertexPosSPD<< // SPD vertex position | |
1848 | "ntracksTPC="<<ntracksTPC<< // total number of the TPC tracks which were refitted | |
1849 | "ntracksITS="<<ntracksITS<< // total number of the ITS tracks which were refitted | |
1850 | // | |
1851 | // | |
1852 | "isAcc0="<<isESDtrackCut<< // track accepted by ESD track cuts | |
1853 | "isAcc1="<<isAccCuts<< // track accepted by acceptance cuts flag | |
c683985a | 1854 | "esdTrack.="<<recTrack<< // reconstructed track (only the longest from the loopers) |
1855 | "isRec="<<isRec<< // track was reconstructed | |
1856 | "tpcTrackLength="<<tpcTrackLength<< // track length in the TPC r projection | |
1857 | "particle.="<<particle<< // particle properties | |
1858 | "particleMother.="<<particleMother<< // particle mother | |
1859 | "mech="<<mech<< // production mechanizm | |
1860 | "nRec="<<nRec<< // how many times reconstruted | |
1861 | "nFakes="<<nFakes<< // how many times reconstructed as a fake track | |
1862 | "\n"; | |
1863 | } | |
1864 | ||
2e16763c | 1865 | //if(trackIndex <0 && recTrack) delete recTrack; recTrack=0; |
c683985a | 1866 | } |
1867 | } | |
1868 | ||
1869 | } | |
1870 | ||
1871 | //_____________________________________________________________________________ | |
1872 | Bool_t AliAnalysisTaskFilteredTree::IsHighDeDxParticle(AliESDtrack * track) { | |
1873 | // | |
1874 | // check if particle is Z > 1 | |
1875 | // | |
1876 | if (track->GetTPCNcls() < 60) return kFALSE; | |
1877 | Double_t mom = track->GetInnerParam()->GetP(); | |
1878 | if (mom < 0.2) return kFALSE; // protection against unexpected behavior of Aleph parameterization | |
1879 | Float_t dca[2], bCov[3]; | |
1880 | track->GetImpactParameters(dca,bCov); | |
1881 | // | |
1882 | ||
1883 | Double_t triggerDeDx = 4*AliExternalTrackParam::BetheBlochAleph((mom*2)/(0.938*3),1.0288,31.9806,5.04114e-11,2.13096,2.38541); | |
1884 | ||
1885 | if (track->GetTPCsignal() > triggerDeDx && track->GetTPCsignal()<1000 && TMath::Abs(dca[0])<3.) return kTRUE; | |
1886 | ||
1887 | return kFALSE; | |
1888 | } | |
1889 | ||
1890 | //_____________________________________________________________________________ | |
234cae2f | 1891 | void AliAnalysisTaskFilteredTree::ProcessV0(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) |
c683985a | 1892 | { |
1893 | // | |
1894 | // Select real events with V0 (K0s and Lambda and Gamma) high-pT candidates | |
1895 | // | |
1896 | if(!esdEvent) { | |
1897 | AliDebug(AliLog::kError, "esdEvent not available"); | |
1898 | return; | |
1899 | } | |
1900 | ||
1901 | // get selection cuts | |
1902 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
1903 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
1904 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
1905 | ||
1906 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
1907 | AliDebug(AliLog::kError, "cuts not available"); | |
1908 | return; | |
1909 | } | |
1910 | ||
1911 | // trigger selection | |
1912 | Bool_t isEventTriggered = kTRUE; | |
1913 | AliPhysicsSelection *physicsSelection = NULL; | |
1914 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
1915 | ||
1916 | // | |
1917 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
1918 | if (!inputHandler) | |
1919 | { | |
1920 | Printf("ERROR: Could not receive input handler"); | |
1921 | return; | |
1922 | } | |
234cae2f | 1923 | |
c683985a | 1924 | // get file name |
1925 | TTree *chain = (TChain*)GetInputData(0); | |
1926 | if(!chain) { | |
1927 | Printf("ERROR: Could not receive input chain"); | |
1928 | return; | |
1929 | } | |
1930 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
1931 | ||
1932 | // trigger | |
1933 | if(evtCuts->IsTriggerRequired()) | |
1934 | { | |
1935 | // always MB | |
1936 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
1937 | ||
1938 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
1939 | if(!physicsSelection) return; | |
1940 | //SetPhysicsTriggerSelection(physicsSelection); | |
1941 | ||
1942 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
1943 | // set trigger (V0AND) | |
1944 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
1945 | if(!triggerAnalysis) return; | |
1946 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
1947 | } | |
1948 | } | |
1949 | ||
1950 | // centrality determination | |
1951 | Float_t centralityF = -1; | |
1952 | AliCentrality *esdCentrality = esdEvent->GetCentrality(); | |
1953 | centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data()); | |
1954 | ||
1955 | ||
1956 | // get reconstructed vertex | |
1957 | //const AliESDVertex* vtxESD = 0; | |
1958 | AliESDVertex* vtxESD = 0; | |
1959 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 1960 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 1961 | } |
1962 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 1963 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 1964 | } |
1965 | else { | |
234cae2f | 1966 | return; |
c683985a | 1967 | } |
1968 | ||
1969 | if(!vtxESD) return; | |
1970 | ||
1971 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
1972 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
1973 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
1974 | ||
1975 | // check event cuts | |
1976 | if(isEventOK && isEventTriggered) { | |
c683985a | 1977 | // |
234cae2f | 1978 | // Dump the pt downscaled V0 into the tree |
1979 | // | |
1980 | Int_t ntracks = esdEvent->GetNumberOfTracks(); | |
1981 | Int_t nV0s = esdEvent->GetNumberOfV0s(); | |
1982 | Int_t run = esdEvent->GetRunNumber(); | |
1983 | Int_t time= esdEvent->GetTimeStamp(); | |
1984 | Int_t evNr=esdEvent->GetEventNumberInFile(); | |
1985 | Double_t bz = esdEvent->GetMagneticField(); | |
c683985a | 1986 | |
b55a470b | 1987 | // Global event id calculation using orbitID, bunchCrossingID and periodID |
1988 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
1989 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
1990 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
1991 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
1992 | ||
234cae2f | 1993 | |
1994 | for (Int_t iv0=0; iv0<nV0s; iv0++){ | |
1995 | ||
1996 | AliESDv0 * v0 = esdEvent->GetV0(iv0); | |
1997 | if (!v0) continue; | |
1998 | AliESDtrack * track0 = esdEvent->GetTrack(v0->GetIndex(0)); | |
1999 | AliESDtrack * track1 = esdEvent->GetTrack(v0->GetIndex(1)); | |
2000 | if (!track0) continue; | |
2001 | if (!track1) continue; | |
2002 | AliESDfriendTrack* friendTrack0=NULL; | |
2003 | AliESDfriendTrack* friendTrack1=NULL; | |
2004 | if (esdFriend) | |
2005 | { | |
2006 | if (!esdFriend->TestSkipBit()) | |
2007 | { | |
2008 | friendTrack0 = esdFriend->GetTrack(v0->GetIndex(0)); //this guy can be NULL | |
2009 | friendTrack1 = esdFriend->GetTrack(v0->GetIndex(1)); //this guy can be NULL | |
2010 | } | |
2011 | } | |
2e16763c | 2012 | //Bool_t newFriendTrack0=kFALSE; |
2013 | //Bool_t newFriendTrack1=kFALSE; | |
2014 | //if (!friendTrack0) {friendTrack0=new AliESDfriendTrack(); newFriendTrack0=kTRUE;} | |
2015 | //if (!friendTrack1) {friendTrack1=new AliESDfriendTrack(); newFriendTrack1=kTRUE;} | |
2016 | if (!friendTrack0) {friendTrack0=fDummyFriendTrack;} | |
2017 | if (!friendTrack1) {friendTrack1=fDummyFriendTrack;} | |
234cae2f | 2018 | if (track0->GetSign()<0) { |
2019 | track1 = esdEvent->GetTrack(v0->GetIndex(0)); | |
2020 | track0 = esdEvent->GetTrack(v0->GetIndex(1)); | |
2021 | } | |
2022 | // | |
2023 | Bool_t isDownscaled = IsV0Downscaled(v0); | |
2024 | if (isDownscaled) continue; | |
2025 | AliKFParticle kfparticle; // | |
2026 | Int_t type=GetKFParticle(v0,esdEvent,kfparticle); | |
2027 | if (type==0) continue; | |
2028 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
2029 | ||
2030 | if(!fFillTree) return; | |
2031 | if(!fTreeSRedirector) return; | |
2032 | (*fTreeSRedirector)<<"V0s"<< | |
b55a470b | 2033 | "gid="<<gid<< |
234cae2f | 2034 | "isDownscaled="<<isDownscaled<< |
2035 | "triggerClass="<<&triggerClass<< // trigger | |
2036 | "Bz="<<bz<< | |
2037 | "fileName.="<<&fileName<< | |
2038 | "runNumber="<<run<< | |
2039 | "evtTimeStamp="<<time<< | |
2040 | "evtNumberInFile="<<evNr<< | |
2041 | "type="<<type<< | |
2042 | "ntracks="<<ntracks<< | |
2043 | "v0.="<<v0<< | |
2044 | "kf.="<<&kfparticle<< | |
2045 | "track0.="<<track0<< | |
2046 | "track1.="<<track1<< | |
2047 | "friendTrack0.="<<friendTrack0<< | |
2048 | "friendTrack1.="<<friendTrack1<< | |
2049 | "centralityF="<<centralityF<< | |
2050 | "\n"; | |
2e16763c | 2051 | //if (newFriendTrack0) {delete friendTrack0;} |
2052 | //if (newFriendTrack1) {delete friendTrack1;} | |
234cae2f | 2053 | } |
c683985a | 2054 | } |
2055 | } | |
2056 | ||
2057 | //_____________________________________________________________________________ | |
234cae2f | 2058 | void AliAnalysisTaskFilteredTree::ProcessdEdx(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend) |
c683985a | 2059 | { |
2060 | // | |
2061 | // Select real events with large TPC dEdx signal | |
2062 | // | |
2063 | if(!esdEvent) { | |
2064 | AliDebug(AliLog::kError, "esdEvent not available"); | |
2065 | return; | |
2066 | } | |
2067 | ||
2068 | // get selection cuts | |
2069 | AliFilteredTreeEventCuts *evtCuts = GetEventCuts(); | |
2070 | AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts(); | |
2071 | AliESDtrackCuts *esdTrackCuts = GetTrackCuts(); | |
2072 | ||
2073 | if(!evtCuts || !accCuts || !esdTrackCuts) { | |
2074 | AliDebug(AliLog::kError, "cuts not available"); | |
2075 | return; | |
2076 | } | |
2077 | ||
2078 | // get file name | |
2079 | TTree *chain = (TChain*)GetInputData(0); | |
2080 | if(!chain) { | |
2081 | Printf("ERROR: Could not receive input chain"); | |
2082 | return; | |
2083 | } | |
2084 | TObjString fileName(chain->GetCurrentFile()->GetName()); | |
2085 | ||
2086 | // trigger | |
2087 | Bool_t isEventTriggered = kTRUE; | |
2088 | AliPhysicsSelection *physicsSelection = NULL; | |
2089 | AliTriggerAnalysis* triggerAnalysis = NULL; | |
2090 | ||
2091 | // | |
2092 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
2093 | if (!inputHandler) | |
2094 | { | |
2095 | Printf("ERROR: Could not receive input handler"); | |
2096 | return; | |
2097 | } | |
2098 | ||
2099 | if(evtCuts->IsTriggerRequired()) | |
2100 | { | |
2101 | // always MB | |
2102 | isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB; | |
2103 | ||
2104 | physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection()); | |
2105 | if(!physicsSelection) return; | |
2106 | ||
2107 | if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) { | |
2108 | // set trigger (V0AND) | |
2109 | triggerAnalysis = physicsSelection->GetTriggerAnalysis(); | |
2110 | if(!triggerAnalysis) return; | |
2111 | isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger()); | |
2112 | } | |
2113 | } | |
2114 | ||
2115 | // get reconstructed vertex | |
2116 | AliESDVertex* vtxESD = 0; | |
2117 | if(GetAnalysisMode() == kTPCAnalysisMode) { | |
234cae2f | 2118 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC(); |
c683985a | 2119 | } |
2120 | else if(GetAnalysisMode() == kTPCITSAnalysisMode) { | |
234cae2f | 2121 | vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks(); |
c683985a | 2122 | } |
2123 | else { | |
234cae2f | 2124 | return; |
c683985a | 2125 | } |
2126 | if(!vtxESD) return; | |
2127 | ||
2128 | Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD); | |
2129 | //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered); | |
2130 | //printf("GetAnalysisMode() %d \n",GetAnalysisMode()); | |
2131 | ||
2132 | ||
2133 | // check event cuts | |
2134 | if(isEventOK && isEventTriggered) | |
2135 | { | |
2136 | Double_t vert[3] = {0}; | |
2137 | vert[0] = vtxESD->GetXv(); | |
2138 | vert[1] = vtxESD->GetYv(); | |
2139 | vert[2] = vtxESD->GetZv(); | |
2140 | Int_t mult = vtxESD->GetNContributors(); | |
2141 | Double_t bz = esdEvent->GetMagneticField(); | |
2142 | Double_t runNumber = esdEvent->GetRunNumber(); | |
2143 | Double_t evtTimeStamp = esdEvent->GetTimeStamp(); | |
2144 | Int_t evtNumberInFile = esdEvent->GetEventNumberInFile(); | |
b55a470b | 2145 | |
2146 | // Global event id calculation using orbitID, bunchCrossingID and periodID | |
2147 | ULong64_t orbitID = (ULong64_t)esdEvent->GetOrbitNumber(); | |
2148 | ULong64_t bunchCrossID = (ULong64_t)esdEvent->GetBunchCrossNumber(); | |
2149 | ULong64_t periodID = (ULong64_t)esdEvent->GetPeriodNumber(); | |
2150 | ULong64_t gid = ((periodID << 36) | (orbitID << 12) | bunchCrossID); | |
2151 | ||
c683985a | 2152 | // large dEdx |
2153 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
2154 | { | |
2155 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
2156 | if(!track) continue; | |
234cae2f | 2157 | AliESDfriendTrack* friendTrack=NULL; |
2158 | if (esdFriend) {if (!esdFriend->TestSkipBit()) friendTrack = esdFriend->GetTrack(iTrack);} //this guy can be NULL | |
2e16763c | 2159 | //Bool_t newFriendTrack=kFALSE; |
2160 | //if (!friendTrack) {friendTrack=new AliESDfriendTrack(); newFriendTrack=kTRUE;} | |
2161 | if (!friendTrack) {friendTrack=fDummyFriendTrack;} | |
c683985a | 2162 | if(track->Charge()==0) continue; |
2163 | if(!esdTrackCuts->AcceptTrack(track)) continue; | |
2164 | if(!accCuts->AcceptTrack(track)) continue; | |
2165 | ||
2166 | if(!IsHighDeDxParticle(track)) continue; | |
2167 | TObjString triggerClass = esdEvent->GetFiredTriggerClasses().Data(); | |
2168 | ||
2169 | if(!fFillTree) return; | |
2170 | if(!fTreeSRedirector) return; | |
2171 | (*fTreeSRedirector)<<"dEdx"<< | |
b55a470b | 2172 | "gid="<<gid<< |
234cae2f | 2173 | "fileName.="<<&fileName<< |
2174 | "runNumber="<<runNumber<< | |
2175 | "evtTimeStamp="<<evtTimeStamp<< | |
2176 | "evtNumberInFile="<<evtNumberInFile<< | |
2177 | "triggerClass="<<&triggerClass<< // trigger | |
2178 | "Bz="<<bz<< | |
2179 | "vtxESD.="<<vtxESD<< | |
2180 | "mult="<<mult<< | |
2181 | "esdTrack.="<<track<< | |
2182 | "friendTrack.="<<friendTrack<< | |
2183 | "\n"; | |
2e16763c | 2184 | //if (newFriendTrack) delete friendTrack; |
c683985a | 2185 | } |
2186 | } | |
2187 | } | |
2188 | ||
2189 | //_____________________________________________________________________________ | |
2190 | Int_t AliAnalysisTaskFilteredTree::GetKFParticle(AliESDv0 *const v0, AliESDEvent * const event, AliKFParticle & kfparticle) | |
2191 | { | |
2192 | // | |
2193 | // Create KF particle in case the V0 fullfill selection criteria | |
2194 | // | |
2195 | // Selection criteria | |
2196 | // 0. algorithm cut | |
2197 | // 1. track cut | |
2198 | // 3. chi2 cut | |
2199 | // 4. rough mass cut | |
2200 | // 5. Normalized pointing angle cut | |
2201 | // | |
2202 | const Double_t cutMass=0.2; | |
2203 | const Double_t kSigmaDCACut=3; | |
2204 | // | |
2205 | // 0.) algo cut - accept only on the fly | |
2206 | // | |
2207 | if (v0->GetOnFlyStatus() ==kFALSE) return 0; | |
2208 | // | |
2209 | // 1.) track cut | |
2210 | // | |
2211 | AliESDtrack * track0 = event->GetTrack(v0->GetIndex(0)); | |
2212 | AliESDtrack * track1 = event->GetTrack(v0->GetIndex(1)); | |
2213 | /* | |
234cae2f | 2214 | TCut cutD="abs(track0.fD/sqrt(track0.fCdd))>2&&abs(track1.fD/sqrt(track1.fCdd))>2"; |
2215 | TCut cutTheta="abs(track0.fP[3])<1&&abs(track1.fP[3])<1"; | |
2216 | TCut cutNcl="track0.GetTPCClusterInfo(2,1)>100&&track1.GetTPCClusterInfo(2,1)>100"; | |
2217 | */ | |
c683985a | 2218 | if (TMath::Abs(track0->GetTgl())>1) return 0; |
2219 | if (TMath::Abs(track1->GetTgl())>1) return 0; | |
2220 | if ((track0->GetTPCClusterInfo(2,1))<100) return 0; | |
2221 | if ((track1->GetTPCClusterInfo(2,1))<100) return 0; | |
2222 | //if ((track0->GetITSclusters(0))<2) return 0; | |
2223 | //if ((track1->GetITSclusters(0))<2) return 0; | |
2224 | Float_t pos0[2]={0}, cov0[3]={0}; | |
2225 | Float_t pos1[2]={0}, cov1[3]={0}; | |
2226 | track0->GetImpactParameters(pos0,cov0); | |
2227 | track0->GetImpactParameters(pos1,cov1); | |
2228 | // | |
2229 | if (TMath::Abs(pos0[0])<kSigmaDCACut*TMath::Sqrt(cov0[0])) return 0; | |
2230 | if (TMath::Abs(pos1[0])<kSigmaDCACut*TMath::Sqrt(cov1[0])) return 0; | |
2231 | // | |
2232 | // | |
2233 | // 3.) Chi2 cut | |
2234 | // | |
2235 | Double_t chi2KF = v0->GetKFInfo(2,2,2); | |
2236 | if (chi2KF>25) return 0; | |
2237 | // | |
2238 | // 4.) Rough mass cut - 0.200 GeV | |
2239 | // | |
2240 | static Double_t masses[2]={-1}; | |
2241 | if (masses[0]<0){ | |
2242 | masses[0] = TDatabasePDG::Instance()->GetParticle("K_S0")->Mass(); | |
2243 | masses[1] = TDatabasePDG::Instance()->GetParticle("Lambda0")->Mass(); | |
2244 | } | |
2245 | Double_t mass00= v0->GetEffMass(0,0); | |
2246 | Double_t mass22= v0->GetEffMass(2,2); | |
2247 | Double_t mass42= v0->GetEffMass(4,2); | |
2248 | Double_t mass24= v0->GetEffMass(2,4); | |
2249 | Bool_t massOK=kFALSE; | |
2250 | Int_t type=0; | |
2251 | Int_t ptype=0; | |
2252 | Double_t dmass=1; | |
2253 | Int_t p1=0, p2=0; | |
2254 | if (TMath::Abs(mass00-0)<cutMass) { | |
2255 | massOK=kTRUE; type+=1; | |
2256 | if (TMath::Abs(mass00-0)<dmass) { | |
2257 | ptype=1; | |
2258 | dmass=TMath::Abs(mass00-0); | |
2259 | p1=0; p2=0; | |
2260 | } | |
2261 | } | |
2262 | if (TMath::Abs(mass24-masses[1])<cutMass) { | |
2263 | massOK=kTRUE; type+=2; | |
2264 | if (TMath::Abs(mass24-masses[1])<dmass){ | |
2265 | dmass = TMath::Abs(mass24-masses[1]); | |
2266 | ptype=2; | |
2267 | p1=2; p2=4; | |
2268 | } | |
2269 | } | |
2270 | if (TMath::Abs(mass42-masses[1])<cutMass) { | |
2271 | massOK=kTRUE; type+=4; | |
2272 | if (TMath::Abs(mass42-masses[1])<dmass){ | |
2273 | dmass = TMath::Abs(mass42-masses[1]); | |
2274 | ptype=4; | |
2275 | p1=4; p2=2; | |
2276 | } | |
2277 | } | |
2278 | if (TMath::Abs(mass22-masses[0])<cutMass) { | |
2279 | massOK=kTRUE; type+=8; | |
2280 | if (TMath::Abs(mass22-masses[0])<dmass){ | |
2281 | dmass = TMath::Abs(mass22-masses[0]); | |
2282 | ptype=8; | |
2283 | p1=2; p2=2; | |
2284 | } | |
2285 | } | |
2286 | if (type==0) return 0; | |
2287 | // | |
2288 | const Int_t spdg[5]={kPositron,kMuonPlus,kPiPlus, kKPlus, kProton}; | |
2289 | const AliExternalTrackParam *paramP = v0->GetParamP(); | |
2290 | const AliExternalTrackParam *paramN = v0->GetParamN(); | |
2291 | if (paramP->GetSign()<0){ | |
2292 | paramP=v0->GetParamP(); | |
2293 | paramN=v0->GetParamN(); | |
2294 | } | |
2295 | //Double_t *pparam1 = (Double_t*)paramP->GetParameter(); | |
2296 | //Double_t *pparam2 = (Double_t*)paramN->GetParameter(); | |
2297 | // | |
2298 | AliKFParticle kfp1( *paramP, spdg[p1] ); | |
2299 | AliKFParticle kfp2( *paramN, -1 *spdg[p2] ); | |
2300 | AliKFParticle V0KF; | |
2301 | (V0KF)+=kfp1; | |
2302 | (V0KF)+=kfp2; | |
2303 | kfparticle=V0KF; | |
2304 | // | |
2305 | // Pointing angle | |
2306 | // | |
2307 | Double_t errPhi = V0KF.GetErrPhi(); | |
2308 | Double_t pointAngle= TMath::ACos(v0->GetV0CosineOfPointingAngle()); | |
2309 | if (pointAngle/errPhi>10) return 0; | |
2310 | // | |
2311 | return ptype; | |
2312 | } | |
2313 | ||
2314 | //_____________________________________________________________________________ | |
2315 | Bool_t AliAnalysisTaskFilteredTree::IsV0Downscaled(AliESDv0 *const v0) | |
2316 | { | |
2317 | // | |
2318 | // Downscale randomly low pt V0 | |
2319 | // | |
2320 | //return kFALSE; | |
2321 | Double_t maxPt= TMath::Max(v0->GetParamP()->Pt(), v0->GetParamN()->Pt()); | |
2322 | Double_t scalempt= TMath::Min(maxPt,10.); | |
2323 | Double_t downscaleF = gRandom->Rndm(); | |
2324 | downscaleF *= fLowPtV0DownscaligF; | |
2325 | // | |
2326 | // Special treatment of the gamma conversion pt spectra is softer - | |
2327 | Double_t mass00= v0->GetEffMass(0,0); | |
2328 | const Double_t cutMass=0.2; | |
2329 | if (TMath::Abs(mass00-0)<cutMass){ | |
2330 | downscaleF/=10.; // 10 times smaller downscaling for the gamma concersion candidate | |
2331 | } | |
2332 | //printf("V0 TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF); | |
2333 | if (TMath::Exp(2*scalempt)<downscaleF) return kTRUE; | |
2334 | return kFALSE; | |
2335 | ||
2336 | /* | |
234cae2f | 2337 | TH1F his1("his1","his1",100,0,10); |
2338 | TH1F his2("his2","his2",100,0,10); | |
2339 | {for (Int_t i=0; i<10000; i++){ | |
2340 | Double_t rnd=gRandom->Exp(1); | |
2341 | Bool_t isDownscaled =TMath::Exp(rnd)<100*gRandom->Rndm(); | |
2342 | his1->Fill(rnd); | |
2343 | if (!isDownscaled) his2->Fill(rnd); | |
2344 | }} | |
c683985a | 2345 | |
234cae2f | 2346 | */ |
c683985a | 2347 | |
2348 | } | |
2349 | ||
2350 | ||
2351 | ||
2352 | //_____________________________________________________________________________ | |
2353 | Bool_t AliAnalysisTaskFilteredTree::ConstrainTPCInner(AliExternalTrackParam *const tpcInnerC, const AliESDVertex* vtx, Double_t b[3]) | |
2354 | { | |
234cae2f | 2355 | // Constrain TPC inner params constrained |
2356 | // | |
2357 | if(!tpcInnerC) return kFALSE; | |
2358 | if(!vtx) return kFALSE; | |
c683985a | 2359 | |
234cae2f | 2360 | Double_t dz[2],cov[3]; |
2361 | //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex(); | |
2362 | //if(!tpcInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE; | |
2363 | //if(!tpcInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE; | |
2364 | if(!tpcInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE; | |
c683985a | 2365 | |
2366 | ||
234cae2f | 2367 | Double_t covar[6]; vtx->GetCovMatrix(covar); |
2368 | Double_t p[2]={tpcInnerC->GetParameter()[0]-dz[0],tpcInnerC->GetParameter()[1]-dz[1]}; | |
2369 | Double_t c[3]={covar[2],0.,covar[5]}; | |
2370 | Double_t chi2C=tpcInnerC->GetPredictedChi2(p,c); | |
2371 | if (chi2C>kVeryBig) return kFALSE; | |
c683985a | 2372 | |
234cae2f | 2373 | if(!tpcInnerC->Update(p,c)) return kFALSE; |
c683985a | 2374 | |
2375 | return kTRUE; | |
2376 | } | |
2377 | ||
2378 | //_____________________________________________________________________________ | |
2379 | Bool_t AliAnalysisTaskFilteredTree::ConstrainTrackInner(AliExternalTrackParam *const trackInnerC, const AliESDVertex* vtx, Double_t mass, Double_t b[3]) | |
2380 | { | |
234cae2f | 2381 | // Constrain TPC inner params constrained |
2382 | // | |
2383 | if(!trackInnerC) return kFALSE; | |
2384 | if(!vtx) return kFALSE; | |
c683985a | 2385 | |
234cae2f | 2386 | const Double_t kRadius = 2.8; |
2387 | const Double_t kMaxStep = 1.0; | |
c683985a | 2388 | |
234cae2f | 2389 | Double_t dz[2],cov[3]; |
c683985a | 2390 | |
234cae2f | 2391 | //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex(); |
2392 | //if(!trackInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE; | |
2393 | //if(!trackInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE; | |
c683985a | 2394 | |
234cae2f | 2395 | if(!AliTracker::PropagateTrackToBxByBz(trackInnerC,kRadius,mass,kMaxStep,kFALSE)) return kFALSE; |
2396 | if(!trackInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE; | |
c683985a | 2397 | |
234cae2f | 2398 | // |
2399 | Double_t covar[6]; vtx->GetCovMatrix(covar); | |
2400 | Double_t p[2]={trackInnerC->GetParameter()[0]-dz[0],trackInnerC->GetParameter()[1]-dz[1]}; | |
2401 | Double_t c[3]={covar[2],0.,covar[5]}; | |
2402 | Double_t chi2C=trackInnerC->GetPredictedChi2(p,c); | |
2403 | if (chi2C>kVeryBig) return kFALSE; | |
c683985a | 2404 | |
234cae2f | 2405 | if(!trackInnerC->Update(p,c)) return kFALSE; |
c683985a | 2406 | |
2407 | return kTRUE; | |
2408 | } | |
2409 | ||
2410 | ||
2411 | //_____________________________________________________________________________ | |
2412 | TParticle *AliAnalysisTaskFilteredTree::GetMother(TParticle *const particle, AliStack *const stack) | |
2413 | { | |
2414 | if(!particle) return NULL; | |
2415 | if(!stack) return NULL; | |
2416 | ||
2417 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2418 | TParticle* mother = NULL; | |
2419 | Int_t mcStackSize=stack->GetNtrack(); | |
2420 | if (motherLabel>=mcStackSize) return NULL; | |
2421 | mother = stack->Particle(motherLabel); | |
2422 | ||
234cae2f | 2423 | return mother; |
c683985a | 2424 | } |
2425 | ||
2426 | //_____________________________________________________________________________ | |
2427 | Bool_t AliAnalysisTaskFilteredTree::IsFromConversion(const Int_t label, AliStack *const stack) | |
2428 | { | |
2429 | Bool_t isFromConversion = kFALSE; | |
2430 | ||
2431 | if(stack) { | |
2432 | Int_t mcStackSize=stack->GetNtrack(); | |
2433 | if (label>=mcStackSize) return kFALSE; | |
2434 | TParticle* particle = stack->Particle(label); | |
2435 | if (!particle) return kFALSE; | |
2436 | ||
2437 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2438 | { | |
234cae2f | 2439 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2440 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
c683985a | 2441 | |
234cae2f | 2442 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); |
2443 | if (motherLabel>=mcStackSize) return kFALSE; | |
2444 | TParticle* mother = stack->Particle(motherLabel); | |
2445 | if(mother) { | |
2446 | Int_t motherPdg = mother->GetPdgCode(); | |
c683985a | 2447 | |
234cae2f | 2448 | if(!isPrim && mech==5 && motherPdg==kGamma) { |
2449 | isFromConversion=kTRUE; | |
2450 | } | |
2451 | } | |
c683985a | 2452 | } |
2453 | } | |
2454 | ||
2455 | return isFromConversion; | |
2456 | } | |
2457 | ||
2458 | //_____________________________________________________________________________ | |
2459 | Bool_t AliAnalysisTaskFilteredTree::IsFromMaterial(const Int_t label, AliStack *const stack) | |
2460 | { | |
2461 | Bool_t isFromMaterial = kFALSE; | |
2462 | ||
2463 | if(stack) { | |
2464 | Int_t mcStackSize=stack->GetNtrack(); | |
2465 | if (label>=mcStackSize) return kFALSE; | |
2466 | TParticle* particle = stack->Particle(label); | |
2467 | if (!particle) return kFALSE; | |
2468 | ||
2469 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2470 | { | |
234cae2f | 2471 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2472 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
2473 | ||
2474 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2475 | if (motherLabel>=mcStackSize) return kFALSE; | |
2476 | TParticle* mother = stack->Particle(motherLabel); | |
2477 | if(mother) { | |
2478 | if(!isPrim && mech==13) { | |
2479 | isFromMaterial=kTRUE; | |
2480 | } | |
2481 | } | |
2482 | } | |
c683985a | 2483 | } |
2484 | ||
2485 | return isFromMaterial; | |
2486 | } | |
2487 | ||
2488 | //_____________________________________________________________________________ | |
2489 | Bool_t AliAnalysisTaskFilteredTree::IsFromStrangeness(const Int_t label, AliStack *const stack) | |
2490 | { | |
2491 | Bool_t isFromStrangeness = kFALSE; | |
2492 | ||
2493 | if(stack) { | |
2494 | Int_t mcStackSize=stack->GetNtrack(); | |
2495 | if (label>=mcStackSize) return kFALSE; | |
2496 | TParticle* particle = stack->Particle(label); | |
2497 | if (!particle) return kFALSE; | |
2498 | ||
2499 | if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0) | |
2500 | { | |
234cae2f | 2501 | Int_t mech = particle->GetUniqueID(); // production mechanism |
2502 | Bool_t isPrim = stack->IsPhysicalPrimary(label); | |
2503 | ||
2504 | Int_t motherLabel = TMath::Abs(particle->GetMother(0)); | |
2505 | if (motherLabel>=mcStackSize) return kFALSE; | |
2506 | TParticle* mother = stack->Particle(motherLabel); | |
2507 | if(mother) { | |
2508 | Int_t motherPdg = mother->GetPdgCode(); | |
2509 | ||
2510 | // K+-, lambda, antilambda, K0s decays | |
2511 | if(!isPrim && mech==4 && | |
2512 | (TMath::Abs(motherPdg)==kKPlus || TMath::Abs(motherPdg)==kLambda0 || motherPdg==kK0Short)) | |
2513 | { | |
2514 | isFromStrangeness = kTRUE; | |
2515 | } | |
2516 | } | |
c683985a | 2517 | } |
2518 | } | |
2519 | ||
2520 | return isFromStrangeness; | |
2521 | } | |
2522 | ||
2523 | ||
2524 | //_____________________________________________________________________________ | |
2525 | void AliAnalysisTaskFilteredTree::FinishTaskOutput() | |
2526 | { | |
2527 | // | |
2528 | // Called one at the end | |
2529 | // locally on working node | |
2530 | // | |
2531 | ||
2532 | //// must be deleted to store trees | |
2533 | //if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector=0; | |
2534 | ||
2535 | //// open temporary file and copy trees to the ouptut container | |
2536 | ||
2537 | //TChain* chain = 0; | |
2538 | //// | |
2539 | //chain = new TChain("highPt"); | |
2540 | //if(chain) { | |
2541 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2542 | // fHighPtTree = chain->CopyTree("1"); | |
2543 | // delete chain; chain=0; | |
2544 | //} | |
2545 | //if(fHighPtTree) fHighPtTree->Print(); | |
2546 | ||
2547 | //// | |
2548 | //chain = new TChain("V0s"); | |
2549 | //if(chain) { | |
2550 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2551 | // fV0Tree = chain->CopyTree("1"); | |
2552 | // delete chain; chain=0; | |
2553 | //} | |
2554 | //if(fV0Tree) fV0Tree->Print(); | |
2555 | ||
2556 | //// | |
2557 | //chain = new TChain("dEdx"); | |
2558 | //if(chain) { | |
2559 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2560 | // fdEdxTree = chain->CopyTree("1"); | |
2561 | // delete chain; chain=0; | |
2562 | //} | |
2563 | //if(fdEdxTree) fdEdxTree->Print(); | |
2564 | ||
2565 | //// | |
2566 | //chain = new TChain("Laser"); | |
2567 | //if(chain) { | |
2568 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2569 | // fLaserTree = chain->CopyTree("1"); | |
2570 | // delete chain; chain=0; | |
2571 | //} | |
2572 | //if(fLaserTree) fLaserTree->Print(); | |
2573 | ||
2574 | //// | |
2575 | //chain = new TChain("MCEffTree"); | |
2576 | //if(chain) { | |
2577 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2578 | // fMCEffTree = chain->CopyTree("1"); | |
2579 | // delete chain; chain=0; | |
2580 | //} | |
2581 | //if(fMCEffTree) fMCEffTree->Print(); | |
2582 | ||
2583 | //// | |
2584 | //chain = new TChain("CosmicPairs"); | |
2585 | //if(chain) { | |
2586 | // chain->Add("jotwinow_Temp_Trees.root"); | |
2587 | // fCosmicPairsTree = chain->CopyTree("1"); | |
2588 | // delete chain; chain=0; | |
2589 | //} | |
2590 | //if(fCosmicPairsTree) fCosmicPairsTree->Print(); | |
2591 | ||
2592 | Bool_t deleteTrees=kTRUE; | |
2593 | if ((AliAnalysisManager::GetAnalysisManager())) | |
2594 | { | |
2595 | if (AliAnalysisManager::GetAnalysisManager()->GetAnalysisType() == | |
234cae2f | 2596 | AliAnalysisManager::kProofAnalysis) |
c683985a | 2597 | deleteTrees=kFALSE; |
2598 | } | |
2599 | if (deleteTrees) delete fTreeSRedirector; | |
2600 | fTreeSRedirector=NULL; | |
2601 | ||
2602 | //OpenFile(1); | |
2603 | ||
2604 | // Post output data. | |
2605 | //PostData(1, fHighPtTree); | |
2606 | //PostData(2, fV0Tree); | |
2607 | //PostData(3, fdEdxTree); | |
2608 | //PostData(4, fLaserTree); | |
2609 | //PostData(5, fMCEffTree); | |
2610 | //PostData(6, fCosmicPairsTree); | |
2611 | } | |
2612 | ||
2613 | //_____________________________________________________________________________ | |
2614 | void AliAnalysisTaskFilteredTree::Terminate(Option_t *) | |
2615 | { | |
2616 | // Called one at the end | |
2617 | /* | |
234cae2f | 2618 | fOutputSummary = dynamic_cast<TTree*> (GetOutputData(1)); |
2619 | if(fOutputSummary) delete fOutputSummary; fOutputSummary=0; | |
2620 | TChain* chain = new TChain("highPt"); | |
2621 | if(!chain) return; | |
2622 | chain->Add("jotwinow_HighPt_TrackAndV0_Trees.root"); | |
2623 | TTree *tree = chain->CopyTree("1"); | |
2624 | if (chain) { delete chain; chain=0; } | |
2625 | if(!tree) return; | |
2626 | tree->Print(); | |
2627 | fOutputSummary = tree; | |
2628 | ||
2629 | if (!fOutputSummary) { | |
2630 | Printf("ERROR: AliAnalysisTaskFilteredTree::Terminate(): Output data not avaiable %p \n", GetOutputData(1)); | |
2631 | return; | |
2632 | } | |
2633 | */ | |
2634 | ||
c683985a | 2635 | } |
2636 | ||
2637 | //_____________________________________________________________________________ | |
2638 | Int_t AliAnalysisTaskFilteredTree::GetMCTrueTrackMult(AliMCEvent *const mcEvent, AliFilteredTreeEventCuts *const evtCuts, AliFilteredTreeAcceptanceCuts *const accCuts) | |
2639 | { | |
2640 | // | |
2641 | // calculate mc event true track multiplicity | |
2642 | // | |
2643 | if(!mcEvent) return 0; | |
2644 | ||
2645 | AliStack* stack = 0; | |
2646 | Int_t mult = 0; | |
2647 | ||
2648 | // MC particle stack | |
2649 | stack = mcEvent->Stack(); | |
2650 | if (!stack) return 0; | |
2651 | ||
2652 | // | |
2653 | //printf("minZv %f, maxZv %f \n", evtCuts->GetMinZv(), evtCuts->GetMaxZv()); | |
2654 | // | |
2655 | ||
2656 | Bool_t isEventOK = evtCuts->AcceptMCEvent(mcEvent); | |
2657 | if(!isEventOK) return 0; | |
2658 | ||
2659 | Int_t nPart = stack->GetNtrack(); | |
2660 | for (Int_t iMc = 0; iMc < nPart; ++iMc) | |
2661 | { | |
234cae2f | 2662 | TParticle* particle = stack->Particle(iMc); |
2663 | if (!particle) | |
2664 | continue; | |
2665 | ||
2666 | // only charged particles | |
2667 | if(!particle->GetPDG()) continue; | |
2668 | Double_t charge = particle->GetPDG()->Charge()/3.; | |
2669 | if (TMath::Abs(charge) < 0.001) | |
2670 | continue; | |
2671 | ||
2672 | // physical primary | |
2673 | Bool_t prim = stack->IsPhysicalPrimary(iMc); | |
2674 | if(!prim) continue; | |
2675 | ||
2676 | // checked accepted without pt cut | |
2677 | //if(accCuts->AcceptTrack(particle)) | |
2678 | if( particle->Eta() > accCuts->GetMinEta() && particle->Eta() < accCuts->GetMaxEta() ) | |
2679 | { | |
2680 | mult++; | |
2681 | } | |
c683985a | 2682 | } |
2683 | ||
234cae2f | 2684 | return mult; |
c683985a | 2685 | } |
2686 | ||
2687 | //_____________________________________________________________________________ | |
2688 | void AliAnalysisTaskFilteredTree::FillHistograms(AliESDtrack* const ptrack, AliExternalTrackParam* const ptpcInnerC, const Double_t centralityF, const Double_t chi2TPCInnerC) | |
2689 | { | |
234cae2f | 2690 | // |
2691 | // Fill pT relative resolution histograms for | |
2692 | // TPC only, TPC only constrained to vertex and TPC+ITS tracking | |
2693 | // | |
2694 | if(!ptrack) return; | |
2695 | if(!ptpcInnerC) return; | |
2696 | ||
2697 | const AliExternalTrackParam * innerParam = (AliExternalTrackParam *) ptrack->GetInnerParam(); | |
2698 | if(!innerParam) return; | |
2699 | ||
2700 | Float_t dxy, dz; | |
2701 | ptrack->GetImpactParameters(dxy,dz); | |
2702 | ||
2703 | // TPC+ITS primary tracks | |
2704 | if( abs(ptrack->Eta())<0.8 && | |
2705 | ptrack->GetTPCClusterInfo(3,1)>120 && | |
2706 | ptrack->IsOn(0x40) && | |
2707 | ptrack->GetTPCclusters(0)>0.0 && | |
2708 | ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.4 && | |
2709 | //abs(innerParam->GetX())>0.0 && | |
2710 | //abs(innerParam->GetY()/innerParam->GetX())<0.14 && | |
2711 | //abs(innerParam->GetTgl())<0.85 && | |
2712 | ptrack->IsOn(0x0004) && | |
2713 | ptrack->GetNcls(0)>0 && | |
2714 | ptrack->GetITSchi2()>0 && | |
2715 | sqrt(ptrack->GetITSchi2()/ptrack->GetNcls(0))<6 && | |
2716 | sqrt(chi2TPCInnerC)<6 && | |
2717 | (ptrack->HasPointOnITSLayer(0) || ptrack->HasPointOnITSLayer(1)) && | |
2718 | abs(dz)<2.0 && | |
2719 | abs(dxy)<(0.018+0.035*abs(ptrack->GetSigned1Pt())) ) | |
2720 | { | |
2721 | fPtResPhiPtTPCITS->Fill(ptrack->Pt(),ptrack->Phi(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2722 | fPtResEtaPtTPCITS->Fill(ptrack->Pt(),ptrack->Eta(),1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2723 | fPtResCentPtTPCITS->Fill(ptrack->Pt(),centralityF,1./abs(ptrack->GetSigned1Pt())*TMath::Sqrt(ptrack->GetSigma1Pt2())); | |
2724 | } | |
c683985a | 2725 | |
234cae2f | 2726 | // TPC primary tracks |
2727 | // and TPC constrained primary tracks | |
c683985a | 2728 | |
234cae2f | 2729 | AliExternalTrackParam *ptpcInner = (AliExternalTrackParam *) ptrack->GetTPCInnerParam(); |
2730 | if(!ptpcInner) return; | |
c683985a | 2731 | |
2732 | ||
234cae2f | 2733 | Float_t dxyTPC, dzTPC; |
2734 | ptrack->GetImpactParametersTPC(dxyTPC,dzTPC); | |
c683985a | 2735 | |
234cae2f | 2736 | if( abs(ptrack->Eta())<0.8 && |
2737 | ptrack->GetTPCClusterInfo(3,1)>120 && | |
2738 | ptrack->IsOn(0x40)&& | |
2739 | ptrack->GetTPCclusters(0)>0.0 && | |
2740 | ptrack->GetTPCnclsS()/ptrack->GetTPCclusters(0)<0.4 && | |
2741 | //abs(innerParam->GetX())>0.0 && | |
2742 | //abs(innerParam->GetY()/innerParam->GetX())<0.14 && | |
2743 | //abs(innerParam->GetTgl())<0.85 && | |
2744 | abs(dzTPC)<3.2 && | |
2745 | abs(dxyTPC)<2.4 ) | |
2746 | { | |
2747 | // TPC only | |
2748 | fPtResPhiPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Phi(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2749 | fPtResEtaPtTPC->Fill(ptpcInner->Pt(),ptpcInner->Eta(),1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2750 | fPtResCentPtTPC->Fill(ptpcInner->Pt(),centralityF,1./abs(ptpcInner->GetSigned1Pt())*TMath::Sqrt(ptpcInner->GetSigma1Pt2())); | |
2751 | ||
2752 | // TPC constrained to vertex | |
2753 | fPtResPhiPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Phi(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2754 | fPtResEtaPtTPCc->Fill(ptpcInnerC->Pt(),ptpcInnerC->Eta(),1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2755 | fPtResCentPtTPCc->Fill(ptpcInnerC->Pt(),centralityF,1./abs(ptpcInnerC->GetSigned1Pt())*TMath::Sqrt(ptpcInnerC->GetSigma1Pt2())); | |
2756 | } | |
c683985a | 2757 | } |