1 /**************************************************************************
\r
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
\r
4 * Author: The ALICE Off-line Project. *
\r
5 * Contributors are mentioned in the code where appropriate. *
\r
7 * Permission to use, copy, modify and distribute this software and its *
\r
8 * documentation strictly for non-commercial purposes is hereby granted *
\r
9 * without fee, provided that the above copyright notice appears in all *
\r
10 * copies and that both the copyright notice and this permission notice *
\r
11 * appear in the supporting documentation. The authors make no claims *
\r
12 * about the suitability of this software for any purpose. It is *
\r
13 * provided "as is" without express or implied warranty. *
\r
14 **************************************************************************/
\r
18 #include <TPDGCode.h>
\r
19 #include <TDatabasePDG.h>
\r
22 #include "TTreeStream.h"
\r
25 #include "TCanvas.h"
\r
27 #include "TObjArray.h"
\r
29 #include "TMatrixD.h"
\r
30 #include "TRandom3.h"
\r
32 #include "AliHeader.h"
\r
33 #include "AliGenEventHeader.h"
\r
34 #include "AliInputEventHandler.h"
\r
35 #include "AliStack.h"
\r
36 #include "AliTrackReference.h"
\r
38 #include "AliPhysicsSelection.h"
\r
39 #include "AliAnalysisTask.h"
\r
40 #include "AliAnalysisManager.h"
\r
41 #include "AliESDEvent.h"
\r
42 #include "AliESDfriend.h"
\r
43 #include "AliMCEvent.h"
\r
44 #include "AliESDInputHandler.h"
\r
45 #include "AliESDVertex.h"
\r
46 #include "AliTracker.h"
\r
47 #include "AliGeomManager.h"
\r
49 #include "AliCentrality.h"
\r
50 #include "AliESDVZERO.h"
\r
51 #include "AliMultiplicity.h"
\r
53 #include "AliESDtrackCuts.h"
\r
54 #include "AliMCEventHandler.h"
\r
55 #include "AliFilteredTreeEventCuts.h"
\r
56 #include "AliFilteredTreeAcceptanceCuts.h"
\r
58 #include "AliAnalysisTaskFilteredTree.h"
\r
59 #include "AliKFParticle.h"
\r
60 #include "AliESDv0.h"
\r
62 using namespace std;
\r
64 ClassImp(AliAnalysisTaskFilteredTree)
\r
66 //_____________________________________________________________________________
\r
67 AliAnalysisTaskFilteredTree::AliAnalysisTaskFilteredTree(const char *name)
\r
68 : AliAnalysisTaskSE(name)
\r
74 , fUseMCInfo(kFALSE)
\r
75 , fUseESDfriends(kFALSE)
\r
76 , fFilteredTreeEventCuts(0)
\r
77 , fFilteredTreeAcceptanceCuts(0)
\r
78 , fFilteredTreeRecAcceptanceCuts(0)
\r
80 , fTrigger(AliTriggerAnalysis::kMB1)
\r
81 , fAnalysisMode(kTPCAnalysisMode)
\r
82 , fTreeSRedirector(0)
\r
83 , fCentralityEstimator(0)
\r
84 , fLowPtTrackDownscaligF(0)
\r
85 , fLowPtV0DownscaligF(0)
\r
86 , fProcessAll(kFALSE)
\r
87 , fProcessCosmics(kFALSE)
\r
93 , fCosmicPairsTree(0)
\r
97 // Define input and output slots here
\r
98 DefineOutput(1, TTree::Class());
\r
99 DefineOutput(2, TTree::Class());
\r
100 DefineOutput(3, TTree::Class());
\r
101 DefineOutput(4, TTree::Class());
\r
102 DefineOutput(5, TTree::Class());
\r
103 DefineOutput(6, TTree::Class());
\r
106 //_____________________________________________________________________________
\r
107 AliAnalysisTaskFilteredTree::~AliAnalysisTaskFilteredTree()
\r
109 if(fOutput) delete fOutput; fOutput =0;
\r
110 if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector =0;
\r
112 if(fFilteredTreeEventCuts) delete fFilteredTreeEventCuts; fFilteredTreeEventCuts=NULL;
\r
113 if(fFilteredTreeAcceptanceCuts) delete fFilteredTreeAcceptanceCuts; fFilteredTreeAcceptanceCuts=NULL;
\r
114 if(fFilteredTreeRecAcceptanceCuts) delete fFilteredTreeRecAcceptanceCuts; fFilteredTreeRecAcceptanceCuts=NULL;
\r
115 if(fEsdTrackCuts) delete fEsdTrackCuts; fEsdTrackCuts=NULL;
\r
118 //____________________________________________________________________________
\r
119 Bool_t AliAnalysisTaskFilteredTree::Notify()
\r
121 static Int_t count = 0;
\r
123 TTree *chain = (TChain*)GetInputData(0);
\r
126 Printf("Processing %d. file: %s", count, chain->GetCurrentFile()->GetName());
\r
132 //_____________________________________________________________________________
\r
133 void AliAnalysisTaskFilteredTree::UserCreateOutputObjects()
\r
135 // Create histograms
\r
137 fOutput = new TList;
\r
138 fOutput->SetOwner();
\r
141 // create temporary file for output tree
\r
142 fTreeSRedirector = new TTreeSRedirector("jotwinow_Temp_Trees.root");
\r
148 fHighPtTree = new TTree;
\r
149 fV0Tree = new TTree;
\r
150 fdEdxTree = new TTree;
\r
151 fLaserTree = new TTree;
\r
152 fMCEffTree = new TTree;
\r
153 fCosmicPairsTree = new TTree;
\r
155 fOutput->Add(fHighPtTree);
\r
156 fOutput->Add(fV0Tree);
\r
157 fOutput->Add(fdEdxTree);
\r
158 fOutput->Add(fLaserTree);
\r
159 fOutput->Add(fMCEffTree);
\r
160 fOutput->Add(fCosmicPairsTree);
\r
162 PostData(1,fHighPtTree);
\r
163 PostData(2,fV0Tree);
\r
164 PostData(3,fdEdxTree);
\r
165 PostData(4,fLaserTree);
\r
166 PostData(5,fMCEffTree);
\r
167 PostData(6,fCosmicPairsTree);
\r
171 //_____________________________________________________________________________
\r
172 void AliAnalysisTaskFilteredTree::UserExec(Option_t *)
\r
175 // Called for each event
\r
179 fESD = (AliESDEvent*) (InputEvent());
\r
181 Printf("ERROR: ESD event not available");
\r
189 Printf("ERROR: MC event not available");
\r
194 if(fUseESDfriends) {
\r
195 fESDfriend = static_cast<AliESDfriend*>(fESD->FindListObject("AliESDfriend"));
\r
197 Printf("ERROR: ESD friends not available");
\r
203 ProcessAll(fESD,fMC,fESDfriend); // all track stages and MC
\r
206 Process(fESD,fMC,fESDfriend); // only global and TPC tracks
\r
210 ProcessV0(fESD,fMC,fESDfriend);
\r
211 ProcessLaser(fESD,fMC,fESDfriend);
\r
212 ProcessdEdx(fESD,fMC,fESDfriend);
\r
214 if (fProcessCosmics) { ProcessCosmics(fESD); }
\r
215 if(IsUseMCInfo()) { ProcessMCEff(fESD,fMC,fESDfriend); }
\r
218 //_____________________________________________________________________________
\r
219 void AliAnalysisTaskFilteredTree::ProcessCosmics(AliESDEvent *const event)
\r
222 // Select real events with high-pT tracks
\r
225 AliDebug(AliLog::kError, "event not available");
\r
230 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
233 Printf("ERROR: Could not receive input handler");
\r
238 TTree *chain = (TChain*)GetInputData(0);
\r
240 Printf("ERROR: Could not receive input chain");
\r
243 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
246 // check for cosmic pairs
\r
248 // find cosmic pairs trigger by random trigger
\r
251 AliESDVertex *vertexSPD = (AliESDVertex *)event->GetPrimaryVertexSPD();
\r
252 AliESDVertex *vertexTPC = (AliESDVertex *)event->GetPrimaryVertexTPC();
\r
253 const Double_t kMinPt=0.8;
\r
254 const Double_t kMinPtMax=0.8;
\r
255 const Double_t kMinNcl=50;
\r
256 const Double_t kMaxDelta[5]={2,600,0.02,0.02,0.1};
\r
257 Int_t ntracks=event->GetNumberOfTracks();
\r
258 // Float_t dcaTPC[2]={0,0};
\r
259 // Float_t covTPC[3]={0,0,0};
\r
261 UInt_t specie = event->GetEventSpecie(); // skip laser events
\r
262 if (specie==AliRecoParam::kCalib) return;
\r
266 for (Int_t itrack0=0;itrack0<ntracks;itrack0++) {
\r
267 AliESDtrack *track0 = event->GetTrack(itrack0);
\r
268 if (!track0) continue;
\r
269 if (!track0->IsOn(AliESDtrack::kTPCrefit)) continue;
\r
271 if (TMath::Abs(AliTracker::GetBz())>1 && track0->Pt() < kMinPt) continue;
\r
272 if (track0->Pt() < kMinPt) continue;
\r
273 if (track0->GetTPCncls() < kMinNcl) continue;
\r
274 if (TMath::Abs(track0->GetY())<kMaxDelta[0]) continue;
\r
275 if (track0->GetKinkIndex(0)>0) continue;
\r
276 const Double_t * par0=track0->GetParameter(); //track param at rhe DCA
\r
279 //track0->GetImpactParametersTPC(dcaTPC,covTPC);
\r
280 //if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
\r
281 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
\r
282 // const AliExternalTrackParam * trackIn0 = track0->GetInnerParam();
\r
283 for (Int_t itrack1=itrack0+1;itrack1<ntracks;itrack1++) {
\r
284 AliESDtrack *track1 = event->GetTrack(itrack1);
\r
285 if (!track1) continue;
\r
286 if (!track1->IsOn(AliESDtrack::kTPCrefit)) continue;
\r
287 if (track1->GetKinkIndex(0)>0) continue;
\r
288 if ((TMath::Abs(AliTracker::GetBz())>1) && (track1->Pt() < kMinPt)) continue;
\r
289 if (track1->Pt() < kMinPt) continue;
\r
290 if (track1->GetTPCncls()<kMinNcl) continue;
\r
291 if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Max(track1->Pt(), track0->Pt())<kMinPtMax) continue;
\r
292 if (TMath::Abs(track1->GetY())<kMaxDelta[0]) continue;
\r
293 //track1->GetImpactParametersTPC(dcaTPC,covTPC);
\r
294 // if (TMath::Abs(dcaTPC[0])<kMaxDelta[0]) continue;
\r
295 //if (TMath::Abs(dcaTPC[1])<kMaxDelta[0]*2) continue;
\r
297 const Double_t* par1=track1->GetParameter(); //track param at rhe DCA
\r
299 Bool_t isPair=kTRUE;
\r
300 for (Int_t ipar=0; ipar<5; ipar++){
\r
301 if (ipar==4&&TMath::Abs(AliTracker::GetBz())<1) continue; // 1/pt not defined for B field off
\r
302 if (TMath::Abs(TMath::Abs(par0[ipar])-TMath::Abs(par1[ipar]))>kMaxDelta[ipar]) isPair=kFALSE;
\r
304 if (!isPair) continue;
\r
305 if (TMath::Abs(TMath::Abs(track0->GetAlpha()-track1->GetAlpha())-TMath::Pi())>kMaxDelta[2]) isPair=kFALSE;
\r
306 //delta with correct sign
\r
308 TCut cut0="abs(t1.fP[0]+t0.fP[0])<2"
\r
309 TCut cut3="abs(t1.fP[3]+t0.fP[3])<0.02"
\r
310 TCut cut4="abs(t1.fP[4]+t0.fP[4])<0.2"
\r
312 if (TMath::Abs(par0[0]+par1[0])>kMaxDelta[0]) isPair=kFALSE; //delta y opposite sign
\r
313 if (TMath::Abs(par0[3]+par1[3])>kMaxDelta[3]) isPair=kFALSE; //delta tgl opposite sign
\r
314 if (TMath::Abs(AliTracker::GetBz())>1 && TMath::Abs(par0[4]+par1[4])>kMaxDelta[4]) isPair=kFALSE; //delta 1/pt opposite sign
\r
315 if (!isPair) continue;
\r
316 TString filename(AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile()->GetName());
\r
317 Int_t eventNumber = event->GetEventNumberInFile();
\r
318 //Bool_t hasFriend = kFALSE;
\r
319 //Bool_t hasITS=(track0->GetNcls(0)+track1->GetNcls(0)>4);
\r
320 //printf("DUMPHPTCosmic:%s|%f|%d|%d|%d\n",filename.Data(),(TMath::Min(track0->Pt(),track1->Pt())), eventNumber,hasFriend,hasITS);
\r
321 // const AliExternalTrackParam * trackIn1 = track1->GetInnerParam();
\r
324 Int_t ntracksSPD = vertexSPD->GetNContributors();
\r
325 Int_t ntracksTPC = vertexTPC->GetNContributors();
\r
326 Int_t runNumber = event->GetRunNumber();
\r
327 Int_t timeStamp = event->GetTimeStamp();
\r
328 ULong64_t triggerMask = event->GetTriggerMask();
\r
329 Float_t magField = event->GetMagneticField();
\r
330 TObjString triggerClass = event->GetFiredTriggerClasses().Data();
\r
333 // Dump to the tree
\r
337 if(!fTreeSRedirector) return;
\r
338 (*fTreeSRedirector)<<"CosmicPairs"<<
\r
339 "fileName.="<<&fileName<< // file name
\r
340 "runNumber="<<runNumber<< // run number
\r
341 "evtTimeStamp="<<timeStamp<< // time stamp of event
\r
342 "evtNumberInFile="<<eventNumber<< // event number
\r
343 "trigger="<<triggerMask<< // trigger
\r
344 "triggerClass="<<&triggerClass<< // trigger
\r
345 "Bz="<<magField<< // magnetic field
\r
347 "multSPD="<<ntracksSPD<<
\r
348 "multTPC="<<ntracksTPC<<
\r
349 "vertSPD.="<<vertexSPD<< //primary vertex -SPD
\r
350 "vertTPC.="<<vertexTPC<< //primary vertex -TPC
\r
351 "t0.="<<track0<< //track0
\r
352 "t1.="<<track1<< //track1
\r
359 //_____________________________________________________________________________
\r
360 void AliAnalysisTaskFilteredTree::Process(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
363 // Select real events with high-pT tracks
\r
366 AliDebug(AliLog::kError, "esdEvent not available");
\r
370 // get selection cuts
\r
371 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
372 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
373 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
375 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
376 Printf("ERROR cuts not available");
\r
380 // trigger selection
\r
381 Bool_t isEventTriggered = kTRUE;
\r
382 AliPhysicsSelection *physicsSelection = NULL;
\r
383 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
386 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
389 Printf("ERROR: Could not receive input handler");
\r
394 TTree *chain = (TChain*)GetInputData(0);
\r
396 Printf("ERROR: Could not receive input chain");
\r
399 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
402 if(evtCuts->IsTriggerRequired())
\r
405 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
407 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
408 if(!physicsSelection) return;
\r
409 //SetPhysicsTriggerSelection(physicsSelection);
\r
411 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
412 // set trigger (V0AND)
\r
413 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
414 if(!triggerAnalysis) return;
\r
415 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
419 // centrality determination
\r
420 Float_t centralityF = -1;
\r
421 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
422 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
424 // use MC information
\r
425 AliHeader* header = 0;
\r
426 AliGenEventHeader* genHeader = 0;
\r
427 AliStack* stack = 0;
\r
430 Int_t multMCTrueTracks = 0;
\r
435 AliDebug(AliLog::kError, "mcEvent not available");
\r
438 // get MC event header
\r
439 header = mcEvent->Header();
\r
441 AliDebug(AliLog::kError, "Header not available");
\r
444 // MC particle stack
\r
445 stack = mcEvent->Stack();
\r
447 AliDebug(AliLog::kError, "Stack not available");
\r
452 genHeader = header->GenEventHeader();
\r
454 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
457 genHeader->PrimaryVertex(vtxMC);
\r
459 // multipliticy of all MC primary tracks
\r
460 // in Zv, pt and eta ranges)
\r
461 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
465 // get reconstructed vertex
\r
466 //const AliESDVertex* vtxESD = 0;
\r
467 AliESDVertex* vtxESD = 0;
\r
468 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
469 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
471 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
472 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
478 if(!vtxESD) return;
\r
480 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
481 //printf("isEventOK %d, isEventTriggered %d, status %d, vz %f \n",isEventOK, isEventTriggered, vtxESD->GetStatus(), vtxESD->GetZv());
\r
482 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
485 // check event cuts
\r
486 if(isEventOK && isEventTriggered)
\r
490 // get IR information
\r
492 AliESDHeader *esdHeader = 0;
\r
493 esdHeader = esdEvent->GetHeader();
\r
494 if(!esdHeader) return;
\r
495 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
\r
496 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
\r
498 // Use when Peter commit the changes in the header
\r
503 Double_t vert[3] = {0};
\r
504 vert[0] = vtxESD->GetXv();
\r
505 vert[1] = vtxESD->GetYv();
\r
506 vert[2] = vtxESD->GetZv();
\r
507 Int_t mult = vtxESD->GetNContributors();
\r
508 Double_t bz = esdEvent->GetMagneticField();
\r
509 Double_t runNumber = esdEvent->GetRunNumber();
\r
510 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
511 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
514 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
516 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
517 if(!track) continue;
\r
518 if(track->Charge()==0) continue;
\r
519 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
520 if(!accCuts->AcceptTrack(track)) continue;
\r
522 // downscale low-pT tracks
\r
523 Double_t scalempt= TMath::Min(track->Pt(),10.);
\r
524 Double_t downscaleF = gRandom->Rndm();
\r
525 downscaleF *= fLowPtTrackDownscaligF;
\r
526 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
527 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
529 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
\r
530 if (!tpcInner) continue;
\r
531 // transform to the track reference frame
\r
532 Bool_t isOK = kFALSE;
\r
533 isOK = tpcInner->Rotate(track->GetAlpha());
\r
534 isOK = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
535 if(!isOK) continue;
\r
537 // Dump to the tree
\r
541 if(!fTreeSRedirector) return;
\r
542 (*fTreeSRedirector)<<"highPt"<<
\r
543 "fileName.="<<&fileName<<
\r
544 "runNumber="<<runNumber<<
\r
545 "evtTimeStamp="<<evtTimeStamp<<
\r
546 "evtNumberInFile="<<evtNumberInFile<<
\r
548 "vtxESD.="<<vtxESD<<
\r
552 "esdTrack.="<<track<<
\r
553 "centralityF="<<centralityF<<
\r
561 //_____________________________________________________________________________
\r
562 void AliAnalysisTaskFilteredTree::ProcessLaser(AliESDEvent *const esdEvent, AliMCEvent * const /*mcEvent*/, AliESDfriend *const /*esdFriend*/)
\r
565 // Process laser events
\r
568 AliDebug(AliLog::kError, "esdEvent not available");
\r
573 TTree *chain = (TChain*)GetInputData(0);
\r
575 Printf("ERROR: Could not receive input chain");
\r
578 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
581 const AliESDHeader* esdHeader = esdEvent->GetHeader();
\r
582 if(esdHeader && esdHeader->GetEventSpecie()==AliRecoParam::kCalib)
\r
584 Int_t countLaserTracks = 0;
\r
585 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
587 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
588 if(!track) continue;
\r
590 if(track->GetTPCInnerParam()) countLaserTracks++;
\r
593 if(countLaserTracks > 100)
\r
595 Double_t runNumber = esdEvent->GetRunNumber();
\r
596 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
597 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
598 Double_t bz = esdEvent->GetMagneticField();
\r
600 if(!fTreeSRedirector) return;
\r
601 (*fTreeSRedirector)<<"Laser"<<
\r
602 "fileName.="<<&fileName<<
\r
603 "runNumber="<<runNumber<<
\r
604 "evtTimeStamp="<<evtTimeStamp<<
\r
605 "evtNumberInFile="<<evtNumberInFile<<
\r
607 "multTPCtracks="<<countLaserTracks<<
\r
613 //_____________________________________________________________________________
\r
614 void AliAnalysisTaskFilteredTree::ProcessAll(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const esdFriend)
\r
617 // Select real events with high-pT tracks
\r
618 // Calculate and stor in the output tree:
\r
619 // TPC constrained tracks
\r
620 // InnerParams constrained tracks
\r
622 // ITSout-InnerParams tracks
\r
623 // chi2 distance between TPC constrained and TPC-ITS tracks
\r
624 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
\r
625 // chi2 distance between ITSout and InnerParams tracks
\r
626 // MC information:
\r
627 // track references at ITSin, TPCin; InnerParam at first TPC track reference,
\r
628 // particle ID, mother ID, production mechanism ...
\r
632 AliDebug(AliLog::kError, "esdEvent not available");
\r
636 // get selection cuts
\r
637 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
638 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
639 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
641 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
642 AliDebug(AliLog::kError, "cuts not available");
\r
646 // trigger selection
\r
647 Bool_t isEventTriggered = kTRUE;
\r
648 AliPhysicsSelection *physicsSelection = NULL;
\r
649 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
652 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
655 Printf("ERROR: Could not receive input handler");
\r
660 TTree *chain = (TChain*)GetInputData(0);
\r
662 Printf("ERROR: Could not receive input chain");
\r
665 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
668 if(evtCuts->IsTriggerRequired())
\r
671 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
673 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
674 if(!physicsSelection) return;
\r
675 //SetPhysicsTriggerSelection(physicsSelection);
\r
677 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
678 // set trigger (V0AND)
\r
679 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
680 if(!triggerAnalysis) return;
\r
681 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
685 // centrality determination
\r
686 Float_t centralityF = -1;
\r
687 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
688 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
690 // use MC information
\r
691 AliHeader* header = 0;
\r
692 AliGenEventHeader* genHeader = 0;
\r
693 AliStack* stack = 0;
\r
696 Int_t multMCTrueTracks = 0;
\r
701 AliDebug(AliLog::kError, "mcEvent not available");
\r
704 // get MC event header
\r
705 header = mcEvent->Header();
\r
707 AliDebug(AliLog::kError, "Header not available");
\r
710 // MC particle stack
\r
711 stack = mcEvent->Stack();
\r
713 AliDebug(AliLog::kError, "Stack not available");
\r
718 genHeader = header->GenEventHeader();
\r
720 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
723 genHeader->PrimaryVertex(vtxMC);
\r
725 // multipliticy of all MC primary tracks
\r
726 // in Zv, pt and eta ranges)
\r
727 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
731 // get reconstructed vertex
\r
732 //const AliESDVertex* vtxESD = 0;
\r
733 AliESDVertex* vtxESD = 0;
\r
734 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
735 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
737 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
738 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
744 if(!vtxESD) return;
\r
746 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
747 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
748 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
751 // check event cuts
\r
752 if(isEventOK && isEventTriggered)
\r
755 // get IR information
\r
757 AliESDHeader *esdHeader = 0;
\r
758 esdHeader = esdEvent->GetHeader();
\r
759 if(!esdHeader) return;
\r
760 //Int_t ir1 = esdHeader->GetTriggerIREntries(); //all ir-s
\r
761 //Int_t ir2 = esdHeader->GetTriggerIREntries(-1,1); // int2 set, 180 ms time interval
\r
767 Double_t vert[3] = {0};
\r
768 vert[0] = vtxESD->GetXv();
\r
769 vert[1] = vtxESD->GetYv();
\r
770 vert[2] = vtxESD->GetZv();
\r
771 Int_t mult = vtxESD->GetNContributors();
\r
772 Double_t bz = esdEvent->GetMagneticField();
\r
773 Double_t runNumber = esdEvent->GetRunNumber();
\r
774 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
775 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
778 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
780 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
781 if(!track) continue;
\r
782 if(track->Charge()==0) continue;
\r
783 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
784 if(!accCuts->AcceptTrack(track)) continue;
\r
786 // downscale low-pT tracks
\r
787 Double_t scalempt= TMath::Min(track->Pt(),10.);
\r
788 Double_t downscaleF = gRandom->Rndm();
\r
789 downscaleF *= fLowPtTrackDownscaligF;
\r
790 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
791 //printf("TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
793 // Dump to the tree
\r
795 // TPC constrained tracks
\r
796 // InnerParams constrained tracks
\r
798 // ITSout-InnerParams tracks
\r
799 // chi2 distance between TPC constrained and TPC-ITS tracks
\r
800 // chi2 distance between TPC refitted constrained and TPC-ITS tracks
\r
801 // chi2 distance between ITSout and InnerParams tracks
\r
804 Double_t x[3]; track->GetXYZ(x);
\r
805 Double_t b[3]; AliTracker::GetBxByBz(x,b);
\r
808 // Transform TPC inner params to track reference frame
\r
810 Bool_t isOKtpcInner = kFALSE;
\r
811 AliExternalTrackParam * tpcInner = (AliExternalTrackParam *)(track->GetTPCInnerParam());
\r
813 // transform to the track reference frame
\r
814 isOKtpcInner = tpcInner->Rotate(track->GetAlpha());
\r
815 isOKtpcInner = tpcInner->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
819 // Constrain TPC inner to vertex
\r
820 // clone TPCinner has to be deleted
\r
822 Bool_t isOKtpcInnerC = kFALSE;
\r
823 AliExternalTrackParam * tpcInnerC = new AliExternalTrackParam(*(track->GetTPCInnerParam()));
\r
825 isOKtpcInnerC = ConstrainTPCInner(tpcInnerC,vtxESD,b);
\r
826 isOKtpcInnerC = tpcInnerC->Rotate(track->GetAlpha());
\r
827 isOKtpcInnerC = tpcInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
831 // Constrain TPC refitted tracks at inner TPC wall (InnerParams) to vertex
\r
832 // Clone track InnerParams has to be deleted
\r
834 Bool_t isOKtrackInnerC = kFALSE;
\r
835 AliExternalTrackParam * trackInnerC = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
837 isOKtrackInnerC = ConstrainTrackInner(trackInnerC,vtxESD,track->GetMass(),b);
\r
838 isOKtrackInnerC = trackInnerC->Rotate(track->GetAlpha());
\r
839 isOKtrackInnerC = trackInnerC->PropagateTo(track->GetX(),esdEvent->GetMagneticField());
\r
843 // calculate chi2 between vi and vj vectors
\r
844 // with covi and covj covariance matrices
\r
845 // chi2ij = (vi-vj)^(T)*(covi+covj)^(-1)*(vi-vj)
\r
847 TMatrixD deltaT(5,1), deltaTtrackC(5,1);
\r
848 TMatrixD delta(1,5), deltatrackC(1,5);
\r
849 TMatrixD covarM(5,5), covarMtrackC(5,5);
\r
850 TMatrixD chi2(1,1);
\r
851 TMatrixD chi2trackC(1,1);
\r
853 if(isOKtpcInnerC && isOKtrackInnerC)
\r
855 for (Int_t ipar=0; ipar<5; ipar++) {
\r
856 deltaT(ipar,0)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
857 delta(0,ipar)=tpcInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
859 deltaTtrackC(ipar,0)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
860 deltatrackC(0,ipar)=trackInnerC->GetParameter()[ipar]-track->GetParameter()[ipar];
\r
862 for (Int_t jpar=0; jpar<5; jpar++) {
\r
863 Int_t index=track->GetIndex(ipar,jpar);
\r
864 covarM(ipar,jpar)=track->GetCovariance()[index]+tpcInnerC->GetCovariance()[index];
\r
865 covarMtrackC(ipar,jpar)=track->GetCovariance()[index]+trackInnerC->GetCovariance()[index];
\r
869 // chi2 distance TPC constrained and TPC+ITS
\r
870 TMatrixD covarMInv = covarM.Invert();
\r
871 TMatrixD mat2 = covarMInv*deltaT;
\r
872 chi2 = delta*mat2;
\r
875 // chi2 distance TPC refitted constrained and TPC+ITS
\r
876 TMatrixD covarMInvtrackC = covarMtrackC.Invert();
\r
877 TMatrixD mat2trackC = covarMInvtrackC*deltaTtrackC;
\r
878 chi2trackC = deltatrackC*mat2trackC;
\r
879 //chi2trackC.Print();
\r
884 // Propagate ITSout to TPC inner wall
\r
885 // and calculate chi2 distance to track (InnerParams)
\r
887 const Double_t kTPCRadius=85;
\r
888 const Double_t kStep=3;
\r
890 // clone track InnerParams has to be deleted
\r
891 Bool_t isOKtrackInnerC2 = kFALSE;
\r
892 AliExternalTrackParam *trackInnerC2 = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
893 if (trackInnerC2) {
\r
894 isOKtrackInnerC2 = AliTracker::PropagateTrackToBxByBz(trackInnerC2,kTPCRadius,track->GetMass(),kStep,kFALSE);
\r
897 Bool_t isOKouterITSc = kFALSE;
\r
898 AliExternalTrackParam *outerITSc = NULL;
\r
899 TMatrixD chi2OuterITS(1,1);
\r
901 if(esdFriend && esdFriend->TestSkipBit()==kFALSE)
\r
903 // propagate ITSout to TPC inner wall
\r
904 AliESDfriendTrack *friendTrack = esdFriend->GetTrack(iTrack);
\r
908 outerITSc = new AliExternalTrackParam(*friendTrack->GetITSOut());
\r
911 isOKouterITSc = AliTracker::PropagateTrackToBxByBz(outerITSc,kTPCRadius,track->GetMass(),kStep,kFALSE);
\r
912 isOKouterITSc = outerITSc->Rotate(trackInnerC2->GetAlpha());
\r
913 isOKouterITSc = outerITSc->PropagateTo(trackInnerC2->GetX(),esdEvent->GetMagneticField());
\r
916 // calculate chi2 between outerITS and innerParams
\r
917 // cov without z-coordinate at the moment
\r
919 TMatrixD deltaTouterITS(4,1);
\r
920 TMatrixD deltaouterITS(1,4);
\r
921 TMatrixD covarMouterITS(4,4);
\r
923 if(isOKtrackInnerC2 && isOKouterITSc) {
\r
926 for (Int_t ipar=0; ipar<5; ipar++) {
\r
928 deltaTouterITS(kipar,0)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
\r
929 deltaouterITS(0,kipar)=outerITSc->GetParameter()[ipar]-trackInnerC2->GetParameter()[ipar];
\r
933 for (Int_t jpar=0; jpar<5; jpar++) {
\r
934 Int_t index=outerITSc->GetIndex(ipar,jpar);
\r
935 if(ipar !=1 || jpar!=1) {
\r
936 covarMouterITS(kipar,kjpar)=outerITSc->GetCovariance()[index]+trackInnerC2->GetCovariance()[index];
\r
938 if(jpar!=1) kjpar++;
\r
940 if(ipar!=1) kipar++;
\r
943 // chi2 distance ITSout and InnerParams
\r
944 TMatrixD covarMInvouterITS = covarMouterITS.Invert();
\r
945 TMatrixD mat2outerITS = covarMInvouterITS*deltaTouterITS;
\r
946 chi2OuterITS = deltaouterITS*mat2outerITS;
\r
947 //chi2OuterITS.Print();
\r
956 TParticle *particle=NULL, *particleTPC=NULL, *particleITS=NULL;
\r
957 TParticle *particleMother=NULL, *particleMotherTPC=NULL, *particleMotherITS=NULL;
\r
958 Int_t mech=-1, mechTPC=-1, mechITS=-1;
\r
959 Bool_t isPrim=kFALSE, isPrimTPC=kFALSE, isPrimITS=kFALSE;
\r
960 Bool_t isFromStrangess=kFALSE, isFromStrangessTPC=kFALSE, isFromStrangessITS=kFALSE;
\r
961 Bool_t isFromConversion=kFALSE, isFromConversionTPC=kFALSE, isFromConversionITS=kFALSE;
\r
962 Bool_t isFromMaterial=kFALSE, isFromMaterialTPC=kFALSE, isFromMaterialITS=kFALSE;
\r
964 AliTrackReference *refTPCIn = NULL;
\r
965 AliTrackReference *refITS = NULL;
\r
967 Bool_t isOKtrackInnerC3 = kFALSE;
\r
968 AliExternalTrackParam *trackInnerC3 = new AliExternalTrackParam(*(track->GetInnerParam()));
\r
977 Int_t label = TMath::Abs(track->GetLabel());
\r
978 particle = stack->Particle(label);
\r
979 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0.)
\r
981 particleMother = GetMother(particle,stack);
\r
982 mech = particle->GetUniqueID();
\r
983 isPrim = stack->IsPhysicalPrimary(label);
\r
984 isFromStrangess = IsFromStrangeness(label,stack);
\r
985 isFromConversion = IsFromConversion(label,stack);
\r
986 isFromMaterial = IsFromMaterial(label,stack);
\r
992 Int_t labelTPC = TMath::Abs(track->GetTPCLabel());
\r
993 particleTPC = stack->Particle(labelTPC);
\r
994 if(particleTPC && particleTPC->GetPDG() && particleTPC->GetPDG()->Charge()!=0.)
\r
996 particleMotherTPC = GetMother(particleTPC,stack);
\r
997 mechTPC = particleTPC->GetUniqueID();
\r
998 isPrimTPC = stack->IsPhysicalPrimary(labelTPC);
\r
999 isFromStrangessTPC = IsFromStrangeness(labelTPC,stack);
\r
1000 isFromConversionTPC = IsFromConversion(labelTPC,stack);
\r
1001 isFromMaterialTPC = IsFromMaterial(labelTPC,stack);
\r
1005 // store first track reference
\r
1008 TParticle *part=0;
\r
1009 TClonesArray *trefs=0;
\r
1010 Int_t status = mcEvent->GetParticleAndTR(track->GetTPCLabel(), part, trefs);
\r
1012 if(status>0 && part && trefs && part->GetPDG() && part->GetPDG()->Charge()!=0.)
\r
1014 Int_t nTrackRef = trefs->GetEntries();
\r
1015 //printf("nTrackRef %d \n",nTrackRef);
\r
1017 Int_t countITS = 0;
\r
1018 for (Int_t iref = 0; iref < nTrackRef; iref++)
\r
1020 AliTrackReference *ref = (AliTrackReference *)trefs->At(iref);
\r
1022 // Ref. in the middle ITS
\r
1023 if(ref && ref->DetectorId()==AliTrackReference::kITS)
\r
1025 if(!refITS && countITS==2) {
\r
1027 //printf("refITS %p \n",refITS);
\r
1033 if(ref && ref->DetectorId()==AliTrackReference::kTPC)
\r
1037 //printf("refTPCIn %p \n",refTPCIn);
\r
1043 // transform inner params to TrackRef
\r
1044 // reference frame
\r
1045 if(refTPCIn && trackInnerC3)
\r
1047 Double_t kRefPhi = TMath::ATan2(refTPCIn->Y(),refTPCIn->X());
\r
1048 isOKtrackInnerC3 = trackInnerC3->Rotate(kRefPhi);
\r
1049 isOKtrackInnerC3 = AliTracker::PropagateTrackToBxByBz(trackInnerC3,refTPCIn->R(),track->GetMass(),kStep,kFALSE);
\r
1056 Int_t labelITS = TMath::Abs(track->GetITSLabel());
\r
1057 particleITS = stack->Particle(labelITS);
\r
1058 if(particleITS && particleITS->GetPDG() && particleITS->GetPDG()->Charge()!=0.)
\r
1060 particleMotherITS = GetMother(particleITS,stack);
\r
1061 mechITS = particleITS->GetUniqueID();
\r
1062 isPrimITS = stack->IsPhysicalPrimary(labelITS);
\r
1063 isFromStrangessITS = IsFromStrangeness(labelITS,stack);
\r
1064 isFromConversionITS = IsFromConversion(labelITS,stack);
\r
1065 isFromMaterialITS = IsFromMaterial(labelITS,stack);
\r
1070 Bool_t dumpToTree=kFALSE;
\r
1072 if(isOKtpcInnerC && isOKtrackInnerC) dumpToTree = kTRUE;
\r
1073 if(fUseESDfriends && isOKtrackInnerC2 && isOKouterITSc) dumpToTree = kTRUE;
\r
1074 if(fUseMCInfo && isOKtrackInnerC3) dumpToTree = kTRUE;
\r
1077 if(fTreeSRedirector && dumpToTree)
\r
1079 (*fTreeSRedirector)<<"highPt"<<
\r
1080 "fileName.="<<&fileName<<
\r
1081 "runNumber="<<runNumber<<
\r
1082 "evtTimeStamp="<<evtTimeStamp<<
\r
1083 "evtNumberInFile="<<evtNumberInFile<<
\r
1085 "vtxESD.="<<vtxESD<<
\r
1089 "esdTrack.="<<track<<
\r
1090 "extTPCInnerC.="<<tpcInnerC<<
\r
1091 "extInnerParamC.="<<trackInnerC<<
\r
1092 "extInnerParam.="<<trackInnerC2<<
\r
1093 "extOuterITS.="<<outerITSc<<
\r
1094 "extInnerParamRef.="<<trackInnerC3<<
\r
1095 "refTPCIn.="<<refTPCIn<<
\r
1096 "refITS.="<<refITS<<
\r
1097 "chi2TPCInnerC="<<chi2(0,0)<<
\r
1098 "chi2InnerC="<<chi2trackC(0,0)<<
\r
1099 "chi2OuterITS="<<chi2OuterITS(0,0)<<
\r
1100 "centralityF="<<centralityF<<
\r
1101 "particle.="<<particle<<
\r
1102 "particleMother.="<<particleMother<<
\r
1104 "isPrim="<<isPrim<<
\r
1105 "isFromStrangess="<<isFromStrangess<<
\r
1106 "isFromConversion="<<isFromConversion<<
\r
1107 "isFromMaterial="<<isFromMaterial<<
\r
1108 "particleTPC.="<<particleTPC<<
\r
1109 "particleMotherTPC.="<<particleMotherTPC<<
\r
1110 "mechTPC="<<mechTPC<<
\r
1111 "isPrimTPC="<<isPrimTPC<<
\r
1112 "isFromStrangessTPC="<<isFromStrangessTPC<<
\r
1113 "isFromConversionTPC="<<isFromConversionTPC<<
\r
1114 "isFromMaterialTPC="<<isFromMaterialTPC<<
\r
1115 "particleITS.="<<particleITS<<
\r
1116 "particleMotherITS.="<<particleMotherITS<<
\r
1117 "mechITS="<<mechITS<<
\r
1118 "isPrimITS="<<isPrimITS<<
\r
1119 "isFromStrangessITS="<<isFromStrangessITS<<
\r
1120 "isFromConversionITS="<<isFromConversionITS<<
\r
1121 "isFromMaterialITS="<<isFromMaterialITS<<
\r
1125 if(tpcInnerC) delete tpcInnerC;
\r
1126 if(trackInnerC) delete trackInnerC;
\r
1127 if(trackInnerC2) delete trackInnerC2;
\r
1128 if(outerITSc) delete outerITSc;
\r
1129 if(trackInnerC3) delete trackInnerC3;
\r
1136 //_____________________________________________________________________________
\r
1137 void AliAnalysisTaskFilteredTree::ProcessMCEff(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1140 // Fill tree for efficiency studies MC only
\r
1143 AliDebug(AliLog::kError, "esdEvent not available");
\r
1148 AliDebug(AliLog::kError, "mcEvent not available");
\r
1152 // get selection cuts
\r
1153 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1154 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1155 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1157 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1158 AliDebug(AliLog::kError, "cuts not available");
\r
1162 // trigger selection
\r
1163 Bool_t isEventTriggered = kTRUE;
\r
1164 AliPhysicsSelection *physicsSelection = NULL;
\r
1165 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1168 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1169 if (!inputHandler)
\r
1171 Printf("ERROR: Could not receive input handler");
\r
1176 TTree *chain = (TChain*)GetInputData(0);
\r
1178 Printf("ERROR: Could not receive input chain");
\r
1181 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1184 if(evtCuts->IsTriggerRequired())
\r
1187 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1189 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1190 if(!physicsSelection) return;
\r
1192 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1193 // set trigger (V0AND)
\r
1194 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1195 if(!triggerAnalysis) return;
\r
1196 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1200 // centrality determination
\r
1201 Float_t centralityF = -1;
\r
1202 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
1203 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
1205 // use MC information
\r
1206 AliHeader* header = 0;
\r
1207 AliGenEventHeader* genHeader = 0;
\r
1208 AliStack* stack = 0;
\r
1211 Int_t multMCTrueTracks = 0;
\r
1216 AliDebug(AliLog::kError, "mcEvent not available");
\r
1219 // get MC event header
\r
1220 header = mcEvent->Header();
\r
1222 AliDebug(AliLog::kError, "Header not available");
\r
1225 // MC particle stack
\r
1226 stack = mcEvent->Stack();
\r
1228 AliDebug(AliLog::kError, "Stack not available");
\r
1233 genHeader = header->GenEventHeader();
\r
1235 AliDebug(AliLog::kError, "Could not retrieve genHeader from Header");
\r
1238 genHeader->PrimaryVertex(vtxMC);
\r
1240 // multipliticy of all MC primary tracks
\r
1241 // in Zv, pt and eta ranges)
\r
1242 multMCTrueTracks = GetMCTrueTrackMult(mcEvent,evtCuts,accCuts);
\r
1246 // get reconstructed vertex
\r
1247 //const AliESDVertex* vtxESD = 0;
\r
1248 AliESDVertex* vtxESD = 0;
\r
1249 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1250 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1252 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1253 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1259 if(!vtxESD) return;
\r
1261 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1262 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1263 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1265 // check event cuts
\r
1266 if(isEventOK && isEventTriggered)
\r
1268 if(IsUseMCInfo())
\r
1270 if(!stack) return;
\r
1275 TParticle *particle=NULL;
\r
1276 TParticle *particleMother=NULL;
\r
1279 // reco event info
\r
1280 Double_t vert[3] = {0};
\r
1281 vert[0] = vtxESD->GetXv();
\r
1282 vert[1] = vtxESD->GetYv();
\r
1283 vert[2] = vtxESD->GetZv();
\r
1284 Int_t mult = vtxESD->GetNContributors();
\r
1285 Double_t bz = esdEvent->GetMagneticField();
\r
1286 Double_t runNumber = esdEvent->GetRunNumber();
\r
1287 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
1288 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
1290 // loop over MC stack
\r
1291 for (Int_t iMc = 0; iMc < stack->GetNtrack(); ++iMc)
\r
1293 particle = stack->Particle(iMc);
\r
1297 // only charged particles
\r
1298 if(!particle->GetPDG()) continue;
\r
1299 Double_t charge = particle->GetPDG()->Charge()/3.;
\r
1300 if (TMath::Abs(charge) < 0.001)
\r
1303 // only primary particles
\r
1304 Bool_t prim = stack->IsPhysicalPrimary(iMc);
\r
1305 if(!prim) continue;
\r
1307 // downscale low-pT particles
\r
1308 Double_t scalempt= TMath::Min(particle->Pt(),10.);
\r
1309 Double_t downscaleF = gRandom->Rndm();
\r
1310 downscaleF *= fLowPtTrackDownscaligF;
\r
1311 if(TMath::Exp(2*scalempt)<downscaleF) continue;
\r
1313 // is particle in acceptance
\r
1314 if(!accCuts->AcceptTrack(particle)) continue;
\r
1316 // check if particle reconstructed
\r
1317 Bool_t isRec = kFALSE;
\r
1318 Int_t trackIndex = -1;
\r
1319 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
1322 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
1323 if(!track) continue;
\r
1324 if(track->Charge()==0) continue;
\r
1325 if(esdTrackCuts->AcceptTrack(track) && accCuts->AcceptTrack(track))
\r
1327 Int_t label = TMath::Abs(track->GetLabel());
\r
1328 if(label == iMc) {
\r
1330 trackIndex = iTrack;
\r
1336 // Store information in the output tree
\r
1337 AliESDtrack *recTrack = NULL;
\r
1338 if(trackIndex>-1) {
\r
1339 recTrack = esdEvent->GetTrack(trackIndex);
\r
1341 recTrack = new AliESDtrack();
\r
1344 particleMother = GetMother(particle,stack);
\r
1345 mech = particle->GetUniqueID();
\r
1347 //MC particle track length
\r
1348 Double_t tpcTrackLength = 0.;
\r
1349 AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(iMc);
\r
1352 tpcTrackLength = mcParticle->GetTPCTrackLength(bz,0.05,counter,3.0);
\r
1357 if(fTreeSRedirector) {
\r
1358 (*fTreeSRedirector)<<"MCEffTree"<<
\r
1359 "fileName.="<<&fileName<<
\r
1360 "runNumber="<<runNumber<<
\r
1361 "evtTimeStamp="<<evtTimeStamp<<
\r
1362 "evtNumberInFile="<<evtNumberInFile<<
\r
1364 "vtxESD.="<<vtxESD<<
\r
1366 "esdTrack.="<<recTrack<<
\r
1368 "tpcTrackLength="<<tpcTrackLength<<
\r
1369 "particle.="<<particle<<
\r
1370 "particleMother.="<<particleMother<<
\r
1375 if(trackIndex <0 && recTrack) delete recTrack; recTrack=0;
\r
1382 //_____________________________________________________________________________
\r
1383 Bool_t AliAnalysisTaskFilteredTree::IsHighDeDxParticle(AliESDtrack * track) {
\r
1385 // check if particle is Z > 1
\r
1387 if (track->GetTPCNcls() < 60) return kFALSE;
\r
1388 Double_t mom = track->GetInnerParam()->GetP();
\r
1389 if (mom < 0.2) return kFALSE; // protection against unexpected behavior of Aleph parameterization
\r
1390 Float_t dca[2], bCov[3];
\r
1391 track->GetImpactParameters(dca,bCov);
\r
1394 Double_t triggerDeDx = 4*AliExternalTrackParam::BetheBlochAleph((mom*2)/(0.938*3),1.0288,31.9806,5.04114e-11,2.13096,2.38541);
\r
1396 if (track->GetTPCsignal() > triggerDeDx && track->GetTPCsignal()<1000 && TMath::Abs(dca[0])<3.) return kTRUE;
\r
1401 //_____________________________________________________________________________
\r
1402 void AliAnalysisTaskFilteredTree::ProcessV0(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1405 // Select real events with V0 (K0s and Lambda) high-pT candidates
\r
1408 AliDebug(AliLog::kError, "esdEvent not available");
\r
1412 // get selection cuts
\r
1413 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1414 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1415 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1417 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1418 AliDebug(AliLog::kError, "cuts not available");
\r
1422 // trigger selection
\r
1423 Bool_t isEventTriggered = kTRUE;
\r
1424 AliPhysicsSelection *physicsSelection = NULL;
\r
1425 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1428 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1429 if (!inputHandler)
\r
1431 Printf("ERROR: Could not receive input handler");
\r
1436 TTree *chain = (TChain*)GetInputData(0);
\r
1438 Printf("ERROR: Could not receive input chain");
\r
1441 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1444 if(evtCuts->IsTriggerRequired())
\r
1447 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1449 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1450 if(!physicsSelection) return;
\r
1451 //SetPhysicsTriggerSelection(physicsSelection);
\r
1453 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1454 // set trigger (V0AND)
\r
1455 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1456 if(!triggerAnalysis) return;
\r
1457 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1461 // centrality determination
\r
1462 Float_t centralityF = -1;
\r
1463 AliCentrality *esdCentrality = esdEvent->GetCentrality();
\r
1464 centralityF = esdCentrality->GetCentralityPercentile(fCentralityEstimator.Data());
\r
1467 // get reconstructed vertex
\r
1468 //const AliESDVertex* vtxESD = 0;
\r
1469 AliESDVertex* vtxESD = 0;
\r
1470 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1471 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1473 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1474 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1480 if(!vtxESD) return;
\r
1482 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1483 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1484 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1486 // check event cuts
\r
1487 if(isEventOK && isEventTriggered) {
\r
1489 // Dump the pt downscaled V0 into the tree
\r
1491 Int_t ntracks = esdEvent->GetNumberOfTracks();
\r
1492 Int_t nV0s = esdEvent->GetNumberOfV0s();
\r
1493 Int_t run = esdEvent->GetRunNumber();
\r
1494 Int_t time= esdEvent->GetTimeStamp();
\r
1495 Int_t evNr=esdEvent->GetEventNumberInFile();
\r
1496 Double_t bz = esdEvent->GetMagneticField();
\r
1499 for (Int_t iv0=0; iv0<nV0s; iv0++){
\r
1500 AliESDv0 * v0 = esdEvent->GetV0(iv0);
\r
1501 if (!v0) continue;
\r
1502 AliESDtrack * track0 = esdEvent->GetTrack(v0->GetIndex(0));
\r
1503 AliESDtrack * track1 = esdEvent->GetTrack(v0->GetIndex(1));
\r
1504 if (!track0) continue;
\r
1505 if (!track1) continue;
\r
1506 if (track0->GetSign()<0) {
\r
1507 track1 = esdEvent->GetTrack(v0->GetIndex(0));
\r
1508 track0 = esdEvent->GetTrack(v0->GetIndex(1));
\r
1511 Bool_t isDownscaled = IsV0Downscaled(v0);
\r
1512 if (isDownscaled) continue;
\r
1513 AliKFParticle kfparticle; //
\r
1514 Int_t type=GetKFParticle(v0,esdEvent,kfparticle);
\r
1515 if (type==0) continue;
\r
1517 if(!fTreeSRedirector) return;
\r
1518 (*fTreeSRedirector)<<"V0s"<<
\r
1519 "isDownscaled="<<isDownscaled<<
\r
1521 "fileName.="<<&fileName<<
\r
1522 "runNumber="<<run<<
\r
1523 "evtTimeStamp="<<time<<
\r
1524 "evtNumberInFile="<<evNr<<
\r
1526 "ntracks="<<ntracks<<
\r
1528 "kf.="<<&kfparticle<<
\r
1529 "track0.="<<track0<<
\r
1530 "track1.="<<track1<<
\r
1531 "centralityF="<<centralityF<<
\r
1537 //_____________________________________________________________________________
\r
1538 void AliAnalysisTaskFilteredTree::ProcessdEdx(AliESDEvent *const esdEvent, AliMCEvent * const mcEvent, AliESDfriend *const /*esdFriend*/)
\r
1541 // Select real events with large TPC dEdx signal
\r
1544 AliDebug(AliLog::kError, "esdEvent not available");
\r
1548 // get selection cuts
\r
1549 AliFilteredTreeEventCuts *evtCuts = GetEventCuts();
\r
1550 AliFilteredTreeAcceptanceCuts *accCuts = GetAcceptanceCuts();
\r
1551 AliESDtrackCuts *esdTrackCuts = GetTrackCuts();
\r
1553 if(!evtCuts || !accCuts || !esdTrackCuts) {
\r
1554 AliDebug(AliLog::kError, "cuts not available");
\r
1559 TTree *chain = (TChain*)GetInputData(0);
\r
1561 Printf("ERROR: Could not receive input chain");
\r
1564 TObjString fileName(chain->GetCurrentFile()->GetName());
\r
1567 Bool_t isEventTriggered = kTRUE;
\r
1568 AliPhysicsSelection *physicsSelection = NULL;
\r
1569 AliTriggerAnalysis* triggerAnalysis = NULL;
\r
1572 AliInputEventHandler* inputHandler = (AliInputEventHandler*) AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler();
\r
1573 if (!inputHandler)
\r
1575 Printf("ERROR: Could not receive input handler");
\r
1579 if(evtCuts->IsTriggerRequired())
\r
1582 isEventTriggered = inputHandler->IsEventSelected() & AliVEvent::kMB;
\r
1584 physicsSelection = static_cast<AliPhysicsSelection*> (inputHandler->GetEventSelection());
\r
1585 if(!physicsSelection) return;
\r
1587 if (isEventTriggered && (GetTrigger() == AliTriggerAnalysis::kV0AND)) {
\r
1588 // set trigger (V0AND)
\r
1589 triggerAnalysis = physicsSelection->GetTriggerAnalysis();
\r
1590 if(!triggerAnalysis) return;
\r
1591 isEventTriggered = triggerAnalysis->IsOfflineTriggerFired(esdEvent, GetTrigger());
\r
1595 // get reconstructed vertex
\r
1596 AliESDVertex* vtxESD = 0;
\r
1597 if(GetAnalysisMode() == kTPCAnalysisMode) {
\r
1598 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTPC();
\r
1600 else if(GetAnalysisMode() == kTPCITSAnalysisMode) {
\r
1601 vtxESD = (AliESDVertex*)esdEvent->GetPrimaryVertexTracks();
\r
1606 if(!vtxESD) return;
\r
1608 Bool_t isEventOK = evtCuts->AcceptEvent(esdEvent,mcEvent,vtxESD);
\r
1609 //printf("isEventOK %d, isEventTriggered %d \n",isEventOK, isEventTriggered);
\r
1610 //printf("GetAnalysisMode() %d \n",GetAnalysisMode());
\r
1613 // check event cuts
\r
1614 if(isEventOK && isEventTriggered)
\r
1616 Double_t vert[3] = {0};
\r
1617 vert[0] = vtxESD->GetXv();
\r
1618 vert[1] = vtxESD->GetYv();
\r
1619 vert[2] = vtxESD->GetZv();
\r
1620 Int_t mult = vtxESD->GetNContributors();
\r
1621 Double_t bz = esdEvent->GetMagneticField();
\r
1622 Double_t runNumber = esdEvent->GetRunNumber();
\r
1623 Double_t evtTimeStamp = esdEvent->GetTimeStamp();
\r
1624 Int_t evtNumberInFile = esdEvent->GetEventNumberInFile();
\r
1627 for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++)
\r
1629 AliESDtrack *track = esdEvent->GetTrack(iTrack);
\r
1630 if(!track) continue;
\r
1631 if(track->Charge()==0) continue;
\r
1632 if(!esdTrackCuts->AcceptTrack(track)) continue;
\r
1633 if(!accCuts->AcceptTrack(track)) continue;
\r
1635 if(!IsHighDeDxParticle(track)) continue;
\r
1637 if(!fTreeSRedirector) return;
\r
1638 (*fTreeSRedirector)<<"dEdx"<<
\r
1639 "fileName.="<<&fileName<<
\r
1640 "runNumber="<<runNumber<<
\r
1641 "evtTimeStamp="<<evtTimeStamp<<
\r
1642 "evtNumberInFile="<<evtNumberInFile<<
\r
1644 "vtxESD.="<<vtxESD<<
\r
1646 "esdTrack.="<<track<<
\r
1652 //_____________________________________________________________________________
\r
1653 Int_t AliAnalysisTaskFilteredTree::GetKFParticle(AliESDv0 *const v0, AliESDEvent * const event, AliKFParticle & kfparticle)
\r
1656 // Create KF particle in case the V0 fullfill selection criteria
\r
1658 // Selection criteria
\r
1659 // 0. algorithm cut
\r
1662 // 4. rough mass cut
\r
1663 // 5. Normalized pointing angle cut
\r
1665 const Double_t cutMass=0.2;
\r
1666 const Double_t kSigmaDCACut=3;
\r
1668 // 0.) algo cut - accept only on the fly
\r
1670 if (v0->GetOnFlyStatus() ==kFALSE) return 0;
\r
1674 AliESDtrack * track0 = event->GetTrack(v0->GetIndex(0));
\r
1675 AliESDtrack * track1 = event->GetTrack(v0->GetIndex(1));
\r
1677 TCut cutD="abs(track0.fD/sqrt(track0.fCdd))>2&&abs(track1.fD/sqrt(track1.fCdd))>2";
\r
1678 TCut cutTheta="abs(track0.fP[3])<1&&abs(track1.fP[3])<1";
\r
1679 TCut cutNcl="track0.GetTPCClusterInfo(2,1)>100&&track1.GetTPCClusterInfo(2,1)>100";
\r
1681 if (TMath::Abs(track0->GetTgl())>1) return 0;
\r
1682 if (TMath::Abs(track1->GetTgl())>1) return 0;
\r
1683 if ((track0->GetTPCClusterInfo(2,1))<100) return 0;
\r
1684 if ((track1->GetTPCClusterInfo(2,1))<100) return 0;
\r
1685 //if ((track0->GetITSclusters(0))<2) return 0;
\r
1686 //if ((track1->GetITSclusters(0))<2) return 0;
\r
1687 Float_t pos0[2]={0}, cov0[3]={0};
\r
1688 Float_t pos1[2]={0}, cov1[3]={0};
\r
1689 track0->GetImpactParameters(pos0,cov0);
\r
1690 track0->GetImpactParameters(pos1,cov1);
\r
1692 if (TMath::Abs(pos0[0])<kSigmaDCACut*TMath::Sqrt(cov0[0])) return 0;
\r
1693 if (TMath::Abs(pos1[0])<kSigmaDCACut*TMath::Sqrt(cov1[0])) return 0;
\r
1698 Double_t chi2KF = v0->GetKFInfo(2,2,2);
\r
1699 if (chi2KF>25) return 0;
\r
1701 // 4.) Rough mass cut - 0.200 GeV
\r
1703 static Double_t masses[2]={-1};
\r
1705 masses[0] = TDatabasePDG::Instance()->GetParticle("K_S0")->Mass();
\r
1706 masses[1] = TDatabasePDG::Instance()->GetParticle("Lambda0")->Mass();
\r
1708 Double_t mass00= v0->GetEffMass(0,0);
\r
1709 Double_t mass22= v0->GetEffMass(2,2);
\r
1710 Double_t mass42= v0->GetEffMass(4,2);
\r
1711 Double_t mass24= v0->GetEffMass(2,4);
\r
1712 Bool_t massOK=kFALSE;
\r
1717 if (TMath::Abs(mass00-0)<cutMass) {
\r
1718 massOK=kTRUE; type+=1;
\r
1719 if (TMath::Abs(mass00-0)<dmass) {
\r
1721 dmass=TMath::Abs(mass00-0);
\r
1725 if (TMath::Abs(mass24-masses[1])<cutMass) {
\r
1726 massOK=kTRUE; type+=2;
\r
1727 if (TMath::Abs(mass24-masses[1])<dmass){
\r
1728 dmass = TMath::Abs(mass24-masses[1]);
\r
1733 if (TMath::Abs(mass42-masses[1])<cutMass) {
\r
1734 massOK=kTRUE; type+=4;
\r
1735 if (TMath::Abs(mass42-masses[1])<dmass){
\r
1736 dmass = TMath::Abs(mass42-masses[1]);
\r
1741 if (TMath::Abs(mass22-masses[0])<cutMass) {
\r
1742 massOK=kTRUE; type+=8;
\r
1743 if (TMath::Abs(mass22-masses[0])<dmass){
\r
1744 dmass = TMath::Abs(mass22-masses[0]);
\r
1749 if (type==0) return 0;
\r
1751 const Int_t spdg[5]={kPositron,kMuonPlus,kPiPlus, kKPlus, kProton};
\r
1752 const AliExternalTrackParam *paramP = v0->GetParamP();
\r
1753 const AliExternalTrackParam *paramN = v0->GetParamN();
\r
1754 if (paramP->GetSign()<0){
\r
1755 paramP=v0->GetParamP();
\r
1756 paramN=v0->GetParamN();
\r
1758 //Double_t *pparam1 = (Double_t*)paramP->GetParameter();
\r
1759 //Double_t *pparam2 = (Double_t*)paramN->GetParameter();
\r
1761 AliKFParticle kfp1( *paramP, spdg[p1] );
\r
1762 AliKFParticle kfp2( *paramN, -1 *spdg[p2] );
\r
1763 AliKFParticle V0KF;
\r
1770 Double_t errPhi = V0KF.GetErrPhi();
\r
1771 Double_t pointAngle= TMath::ACos(v0->GetV0CosineOfPointingAngle());
\r
1772 if (pointAngle/errPhi>10) return 0;
\r
1777 //_____________________________________________________________________________
\r
1778 Bool_t AliAnalysisTaskFilteredTree::IsV0Downscaled(AliESDv0 *const v0)
\r
1781 // Downscale randomly low pt V0
\r
1784 Double_t maxPt= TMath::Max(v0->GetParamP()->Pt(), v0->GetParamN()->Pt());
\r
1785 Double_t scalempt= TMath::Min(maxPt,10.);
\r
1786 Double_t downscaleF = gRandom->Rndm();
\r
1787 downscaleF *= fLowPtV0DownscaligF;
\r
1789 //printf("V0 TMath::Exp(2*scalempt) %e, downscaleF %e \n",TMath::Exp(2*scalempt), downscaleF);
\r
1790 if (TMath::Exp(2*scalempt)<downscaleF) return kTRUE;
\r
1794 TH1F his1("his1","his1",100,0,10);
\r
1795 TH1F his2("his2","his2",100,0,10);
\r
1796 {for (Int_t i=0; i<10000; i++){
\r
1797 Double_t rnd=gRandom->Exp(1);
\r
1798 Bool_t isDownscaled =TMath::Exp(rnd)<100*gRandom->Rndm();
\r
1800 if (!isDownscaled) his2->Fill(rnd);
\r
1809 //_____________________________________________________________________________
\r
1810 Bool_t AliAnalysisTaskFilteredTree::ConstrainTPCInner(AliExternalTrackParam *const tpcInnerC, const AliESDVertex* vtx, Double_t b[3])
\r
1812 // Constrain TPC inner params constrained
\r
1814 if(!tpcInnerC) return kFALSE;
\r
1815 if(!vtx) return kFALSE;
\r
1817 Double_t dz[2],cov[3];
\r
1818 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
\r
1819 //if(!tpcInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
\r
1820 //if(!tpcInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
\r
1821 if(!tpcInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
\r
1824 Double_t covar[6]; vtx->GetCovMatrix(covar);
\r
1825 Double_t p[2]={tpcInnerC->GetParameter()[0]-dz[0],tpcInnerC->GetParameter()[1]-dz[1]};
\r
1826 Double_t c[3]={covar[2],0.,covar[5]};
\r
1827 Double_t chi2C=tpcInnerC->GetPredictedChi2(p,c);
\r
1828 if (chi2C>kVeryBig) return kFALSE;
\r
1830 if(!tpcInnerC->Update(p,c)) return kFALSE;
\r
1835 //_____________________________________________________________________________
\r
1836 Bool_t AliAnalysisTaskFilteredTree::ConstrainTrackInner(AliExternalTrackParam *const trackInnerC, const AliESDVertex* vtx, Double_t mass, Double_t b[3])
\r
1838 // Constrain TPC inner params constrained
\r
1840 if(!trackInnerC) return kFALSE;
\r
1841 if(!vtx) return kFALSE;
\r
1843 const Double_t kRadius = 2.8;
\r
1844 const Double_t kMaxStep = 1.0;
\r
1846 Double_t dz[2],cov[3];
\r
1848 //AliESDVertex *vtx= (AliESDVertex *)esdEvent->GetPrimaryVertex();
\r
1849 //if(!trackInnerC->PropagateToDCA(vtx, esdEvent->GetMagneticField(), 3, dz, cov)) return kFALSE;
\r
1850 //if(!trackInnerC->PropagateToDCA(vtx, Bz, 3, dz, cov)) return kFALSE;
\r
1852 if(!AliTracker::PropagateTrackToBxByBz(trackInnerC,kRadius,mass,kMaxStep,kFALSE)) return kFALSE;
\r
1853 if(!trackInnerC->PropagateToDCABxByBz(vtx, b, 3, dz, cov)) return kFALSE;
\r
1856 Double_t covar[6]; vtx->GetCovMatrix(covar);
\r
1857 Double_t p[2]={trackInnerC->GetParameter()[0]-dz[0],trackInnerC->GetParameter()[1]-dz[1]};
\r
1858 Double_t c[3]={covar[2],0.,covar[5]};
\r
1859 Double_t chi2C=trackInnerC->GetPredictedChi2(p,c);
\r
1860 if (chi2C>kVeryBig) return kFALSE;
\r
1862 if(!trackInnerC->Update(p,c)) return kFALSE;
\r
1868 //_____________________________________________________________________________
\r
1869 TParticle *AliAnalysisTaskFilteredTree::GetMother(TParticle *const particle, AliStack *const stack)
\r
1871 if(!particle) return NULL;
\r
1872 if(!stack) return NULL;
\r
1874 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
1875 TParticle* mother = NULL;
\r
1876 mother = stack->Particle(motherLabel);
\r
1881 //_____________________________________________________________________________
\r
1882 Bool_t AliAnalysisTaskFilteredTree::IsFromConversion(const Int_t label, AliStack *const stack)
\r
1884 Bool_t isFromConversion = kFALSE;
\r
1887 TParticle* particle = stack->Particle(label);
\r
1889 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
1891 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
1892 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
1894 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
1895 TParticle* mother = stack->Particle(motherLabel);
\r
1897 Int_t motherPdg = mother->GetPdgCode();
\r
1899 if(!isPrim && mech==5 && motherPdg==kGamma) {
\r
1900 isFromConversion=kTRUE;
\r
1906 return isFromConversion;
\r
1909 //_____________________________________________________________________________
\r
1910 Bool_t AliAnalysisTaskFilteredTree::IsFromMaterial(const Int_t label, AliStack *const stack)
\r
1912 Bool_t isFromMaterial = kFALSE;
\r
1915 TParticle* particle = stack->Particle(label);
\r
1917 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
1919 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
1920 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
1922 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
1923 TParticle* mother = stack->Particle(motherLabel);
\r
1925 if(!isPrim && mech==13) {
\r
1926 isFromMaterial=kTRUE;
\r
1932 return isFromMaterial;
\r
1935 //_____________________________________________________________________________
\r
1936 Bool_t AliAnalysisTaskFilteredTree::IsFromStrangeness(const Int_t label, AliStack *const stack)
\r
1938 Bool_t isFromStrangeness = kFALSE;
\r
1941 TParticle* particle = stack->Particle(label);
\r
1943 if(particle && particle->GetPDG() && particle->GetPDG()->Charge()!=0)
\r
1945 Int_t mech = particle->GetUniqueID(); // production mechanism
\r
1946 Bool_t isPrim = stack->IsPhysicalPrimary(label);
\r
1948 Int_t motherLabel = TMath::Abs(particle->GetMother(0));
\r
1949 TParticle* mother = stack->Particle(motherLabel);
\r
1951 Int_t motherPdg = mother->GetPdgCode();
\r
1953 // K+-, lambda, antilambda, K0s decays
\r
1954 if(!isPrim && mech==4 &&
\r
1955 (TMath::Abs(motherPdg)==kKPlus || TMath::Abs(motherPdg)==kLambda0 || motherPdg==kK0Short))
\r
1957 isFromStrangeness = kTRUE;
\r
1963 return isFromStrangeness;
\r
1967 //_____________________________________________________________________________
\r
1968 void AliAnalysisTaskFilteredTree::FinishTaskOutput()
\r
1971 // Called one at the end
\r
1972 // locally on working node
\r
1975 // must be deleted to store trees
\r
1976 if(fTreeSRedirector) delete fTreeSRedirector; fTreeSRedirector=0;
\r
1978 // open temporary file and copy trees to the ouptut container
\r
1980 TChain* chain = 0;
\r
1982 chain = new TChain("highPt");
\r
1984 chain->Add("jotwinow_Temp_Trees.root");
\r
1985 fHighPtTree = chain->CopyTree("1");
\r
1986 delete chain; chain=0;
\r
1988 if(fHighPtTree) fHighPtTree->Print();
\r
1991 chain = new TChain("V0s");
\r
1993 chain->Add("jotwinow_Temp_Trees.root");
\r
1994 fV0Tree = chain->CopyTree("1");
\r
1995 delete chain; chain=0;
\r
1997 if(fV0Tree) fV0Tree->Print();
\r
2000 chain = new TChain("dEdx");
\r
2002 chain->Add("jotwinow_Temp_Trees.root");
\r
2003 fdEdxTree = chain->CopyTree("1");
\r
2004 delete chain; chain=0;
\r
2006 if(fdEdxTree) fdEdxTree->Print();
\r
2009 chain = new TChain("Laser");
\r
2011 chain->Add("jotwinow_Temp_Trees.root");
\r
2012 fLaserTree = chain->CopyTree("1");
\r
2013 delete chain; chain=0;
\r
2015 if(fLaserTree) fLaserTree->Print();
\r
2018 chain = new TChain("MCEffTree");
\r
2020 chain->Add("jotwinow_Temp_Trees.root");
\r
2021 fMCEffTree = chain->CopyTree("1");
\r
2022 delete chain; chain=0;
\r
2024 if(fMCEffTree) fMCEffTree->Print();
\r
2027 chain = new TChain("CosmicPairs");
\r
2029 chain->Add("jotwinow_Temp_Trees.root");
\r
2030 fCosmicPairsTree = chain->CopyTree("1");
\r
2031 delete chain; chain=0;
\r
2033 if(fCosmicPairsTree) fCosmicPairsTree->Print();
\r
2038 // Post output data.
\r
2039 PostData(1, fHighPtTree);
\r
2040 PostData(2, fV0Tree);
\r
2041 PostData(3, fdEdxTree);
\r
2042 PostData(4, fLaserTree);
\r
2043 PostData(5, fMCEffTree);
\r
2044 PostData(6, fCosmicPairsTree);
\r
2047 //_____________________________________________________________________________
\r
2048 void AliAnalysisTaskFilteredTree::Terminate(Option_t *)
\r
2050 // Called one at the end
\r
2052 fOutputSummary = dynamic_cast<TTree*> (GetOutputData(1));
\r
2053 if(fOutputSummary) delete fOutputSummary; fOutputSummary=0;
\r
2054 TChain* chain = new TChain("highPt");
\r
2055 if(!chain) return;
\r
2056 chain->Add("jotwinow_HighPt_TrackAndV0_Trees.root");
\r
2057 TTree *tree = chain->CopyTree("1");
\r
2058 if (chain) { delete chain; chain=0; }
\r
2061 fOutputSummary = tree;
\r
2063 if (!fOutputSummary) {
\r
2064 Printf("ERROR: AliAnalysisTaskFilteredTree::Terminate(): Output data not avaiable %p \n", GetOutputData(1));
\r
2070 //_____________________________________________________________________________
\r
2071 Int_t AliAnalysisTaskFilteredTree::GetMCTrueTrackMult(AliMCEvent *const mcEvent, AliFilteredTreeEventCuts *const evtCuts, AliFilteredTreeAcceptanceCuts *const accCuts)
\r
2074 // calculate mc event true track multiplicity
\r
2076 if(!mcEvent) return 0;
\r
2078 AliStack* stack = 0;
\r
2081 // MC particle stack
\r
2082 stack = mcEvent->Stack();
\r
2083 if (!stack) return 0;
\r
2086 //printf("minZv %f, maxZv %f \n", evtCuts->GetMinZv(), evtCuts->GetMaxZv());
\r
2089 Bool_t isEventOK = evtCuts->AcceptMCEvent(mcEvent);
\r
2090 if(!isEventOK) return 0;
\r
2092 Int_t nPart = stack->GetNtrack();
\r
2093 for (Int_t iMc = 0; iMc < nPart; ++iMc)
\r
2095 TParticle* particle = stack->Particle(iMc);
\r
2099 // only charged particles
\r
2100 if(!particle->GetPDG()) continue;
\r
2101 Double_t charge = particle->GetPDG()->Charge()/3.;
\r
2102 if (TMath::Abs(charge) < 0.001)
\r
2105 // physical primary
\r
2106 Bool_t prim = stack->IsPhysicalPrimary(iMc);
\r
2107 if(!prim) continue;
\r
2109 // checked accepted without pt cut
\r
2110 //if(accCuts->AcceptTrack(particle))
\r
2111 if( particle->Eta() > accCuts->GetMinEta() && particle->Eta() < accCuts->GetMaxEta() )
\r