1 /**************************************************************************
2 * Copyright(c) 1998-2008, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 //*************************************************************************
19 // Class AliAnalysisTaskSEDplus
20 // AliAnalysisTaskSE for the D+ candidates Invariant Mass Histogram and
21 //comparison of heavy-flavour decay candidates
22 // to MC truth (kinematics stored in the AOD)
23 // Authors: Renu Bala, bala@to.infn.it
24 // F. Prino, prino@to.infn.it
25 // G. Ortona, ortona@to.infn.it
26 /////////////////////////////////////////////////////////////
28 #include <TClonesArray.h>
33 #include <TDatabasePDG.h>
35 #include "AliAnalysisManager.h"
36 #include "AliRDHFCutsDplustoKpipi.h"
37 #include "AliAODHandler.h"
38 #include "AliAODEvent.h"
39 #include "AliAODVertex.h"
40 #include "AliAODTrack.h"
41 #include "AliAODRecoDecayHF3Prong.h"
42 #include "AliAnalysisVertexingHF.h"
43 #include "AliAnalysisTaskSE.h"
44 #include "AliAnalysisTaskSEDplus.h"
45 #include "AliNormalizationCounter.h"
47 ClassImp(AliAnalysisTaskSEDplus)
50 //________________________________________________________________________
51 AliAnalysisTaskSEDplus::AliAnalysisTaskSEDplus():
72 fUseStrangeness(kFALSE),
81 // Default constructor
84 //________________________________________________________________________
85 AliAnalysisTaskSEDplus::AliAnalysisTaskSEDplus(const char *name,AliRDHFCutsDplustoKpipi *dpluscutsana,AliRDHFCutsDplustoKpipi *dpluscutsprod,Bool_t fillNtuple):
86 AliAnalysisTaskSE(name),
101 fRDCutsProduction(dpluscutsprod),
102 fRDCutsAnalysis(dpluscutsana),
104 fFillNtuple(fillNtuple),
106 fUseStrangeness(kFALSE),
111 fLowerImpPar(-2000.),
112 fHigherImpPar(2000.),
116 // Standrd constructor
118 fNPtBins=fRDCutsAnalysis->GetNPtBins();
119 // Default constructor
120 // Output slot #1 writes into a TList container
121 DefineOutput(1,TList::Class()); //My private output
122 // Output slot #2 writes cut to private output
123 // DefineOutput(2,AliRDHFCutsDplustoKpipi::Class());
124 DefineOutput(2,TList::Class());
125 // Output slot #3 writes cut to private output
126 DefineOutput(3,AliNormalizationCounter::Class());
129 // Output slot #4 writes into a TNtuple container
130 DefineOutput(4,TNtuple::Class()); //My private output
134 //________________________________________________________________________
135 AliAnalysisTaskSEDplus::~AliAnalysisTaskSEDplus()
148 for(Int_t i=0;i<3;i++){
149 if(fHistCentrality[i]){delete fHistCentrality[i]; fHistCentrality[i]=0;}
152 for(Int_t i=0;i<3*fNPtBins;i++){
153 if(fMassHist[i]){ delete fMassHist[i]; fMassHist[i]=0;}
154 if(fCosPHist[i]){ delete fCosPHist[i]; fCosPHist[i]=0;}
155 if(fDLenHist[i]){ delete fDLenHist[i]; fDLenHist[i]=0;}
156 if(fSumd02Hist[i]){ delete fSumd02Hist[i]; fSumd02Hist[i]=0;}
157 if(fSigVertHist[i]){ delete fSigVertHist[i]; fSigVertHist[i]=0;}
158 if(fPtMaxHist[i]){ delete fPtMaxHist[i]; fPtMaxHist[i]=0;}
159 if(fPtKHist[i]){ delete fPtKHist[i]; fPtKHist[i]=0;}
160 if(fPtpi1Hist[i]){ delete fPtpi1Hist[i]; fPtpi1Hist[i]=0;}
161 if(fPtpi2Hist[i]){ delete fPtpi2Hist[i]; fPtpi2Hist[i]=0;}
162 if(fDCAHist[i]){ delete fDCAHist[i]; fDCAHist[i]=0;}
163 if(fMassHistTC[i]){ delete fMassHistTC[i]; fMassHistTC[i]=0;}
164 if(fMassHistTCPlus[i]){ delete fMassHistTCPlus[i]; fMassHistTCPlus[i]=0;}
165 if(fMassHistTCMinus[i]){ delete fMassHistTCMinus[i]; fMassHistTCMinus[i]=0;}
167 if(fDLxy[i]){delete fDLxy[i]; fDLxy[i]=0;}
168 if(fDLxyTC[i]){delete fDLxyTC[i]; fDLxyTC[i]=0;}
169 if(fCosxy[i]){delete fCosxy[i]; fCosxy[i]=0;}
170 if(fCosxyTC[i]){delete fCosxyTC[i]; fCosxyTC[i]=0;}
171 if(fMassHistLS[i]){ delete fMassHistLS[i]; fMassHistLS[i]=0;}
172 if(fCosPHistLS[i]){ delete fCosPHistLS[i]; fCosPHistLS[i]=0;}
173 if(fDLenHistLS[i]){ delete fDLenHistLS[i]; fDLenHistLS[i]=0;}
174 if(fSumd02HistLS[i]){ delete fSumd02HistLS[i]; fSumd02HistLS[i]=0;}
175 if(fSigVertHistLS[i]){ delete fSigVertHistLS[i]; fSigVertHistLS[i]=0;}
176 if(fPtMaxHistLS[i]){ delete fPtMaxHistLS[i]; fPtMaxHistLS[i]=0;}
177 if(fDCAHistLS[i]){ delete fDCAHistLS[i]; fDCAHistLS[i]=0;}
178 if(fMassHistLSTC[i]){ delete fMassHistLSTC[i]; fMassHistLSTC[i]=0;}
181 for(Int_t i=0;i<3;i++){
182 if(fCorreld0Kd0pi[i]){ delete fCorreld0Kd0pi[i]; fCorreld0Kd0pi[i]=0;}
217 if(fRDCutsProduction){
218 delete fRDCutsProduction;
219 fRDCutsProduction = 0;
222 delete fRDCutsAnalysis;
225 for(Int_t i=0; i<5; i++){
226 delete fHistMassPtImpParTC[i];
235 //_________________________________________________________________
236 void AliAnalysisTaskSEDplus::SetMassLimits(Float_t range){
237 // set invariant mass limits
238 Float_t bw=GetBinWidth();
239 fUpmasslimit = 1.865+range;
240 fLowmasslimit = 1.865-range;
243 //_________________________________________________________________
244 void AliAnalysisTaskSEDplus::SetMassLimits(Float_t lowlimit, Float_t uplimit){
245 // set invariant mass limits
248 Float_t bw=GetBinWidth();
249 fUpmasslimit = lowlimit;
250 fLowmasslimit = uplimit;
254 //________________________________________________________________
255 void AliAnalysisTaskSEDplus::SetBinWidth(Float_t w){
257 Int_t nbins=(Int_t)((fUpmasslimit-fLowmasslimit)/width+0.5);
258 Int_t missingbins=4-nbins%4;
259 nbins=nbins+missingbins;
260 width=(fUpmasslimit-fLowmasslimit)/nbins;
262 printf("AliAnalysisTaskSEDplus::SetBinWidth: W-bin width of %f will produce histograms not rebinnable by 4. New width set to %f\n",w,width);
265 if(fDebug>1) printf("AliAnalysisTaskSEDplus::SetBinWidth: width set to %f\n",width);
269 //_________________________________________________________________
270 Int_t AliAnalysisTaskSEDplus::GetNBinsHistos(){
271 return (Int_t)((fUpmasslimit-fLowmasslimit)/fBinWidth+0.5);
273 //_________________________________________________________________
274 void AliAnalysisTaskSEDplus::LSAnalysis(TClonesArray *arrayOppositeSign,TClonesArray *arrayLikeSign,AliAODEvent *aod,AliAODVertex *vtx1, Int_t nDplusOS){
277 // Fill the Like Sign histograms
279 if(fDebug>1)printf("started LS\n");
281 //histograms for like sign
282 Int_t nbins=GetNBinsHistos();;
283 TH1F *histLSPlus = new TH1F("LSPlus","LSPlus",nbins,fLowmasslimit,fUpmasslimit);
284 TH1F *histLSMinus = new TH1F("LSMinus","LSMinus",nbins,fLowmasslimit,fUpmasslimit);
286 Int_t nPosTrks=0,nNegTrks=0;
287 Int_t nOStriplets = arrayOppositeSign->GetEntriesFast();
290 Int_t nLikeSign = arrayLikeSign->GetEntriesFast();
293 // loop over like sign candidates
294 for(Int_t iLikeSign = 0; iLikeSign < nLikeSign; iLikeSign++) {
295 AliAODRecoDecayHF3Prong *d = (AliAODRecoDecayHF3Prong*)arrayLikeSign->UncheckedAt(iLikeSign);
296 if(fUseBit && !d->HasSelectionBit(AliRDHFCuts::kDplusCuts))continue;
297 Bool_t unsetvtx=kFALSE;
298 if(!d->GetOwnPrimaryVtx()) {
299 d->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
302 Double_t ptCand = d->Pt();
303 Int_t iPtBin = fRDCutsAnalysis->PtBin(ptCand);
304 if(iPtBin<0)continue;
305 Int_t sign= d->GetCharge();
311 // if(fRDCutsProduction->IsSelected(d,AliRDHFCuts::kCandidate,aod)){
312 fRDCutsAnalysis->IsSelected(d,AliRDHFCuts::kCandidate,aod);
313 Int_t passTightCuts=fRDCutsAnalysis->GetIsSelectedCuts();
315 Float_t invMass = d->InvMassDplus();
316 index=GetLSHistoIndex(iPtBin);
317 fMassHistLS[index+1]->Fill(invMass);
319 histLSPlus->Fill(invMass);
322 histLSMinus->Fill(invMass);
326 Double_t dlen=d->DecayLength();
327 Double_t cosp=d->CosPointingAngle();
328 Double_t sumD02=d->Getd0Prong(0)*d->Getd0Prong(0)+d->Getd0Prong(1)*d->Getd0Prong(1)+d->Getd0Prong(2)*d->Getd0Prong(2);
329 Double_t dca=d->GetDCA();
330 Double_t sigvert=d->GetSigmaVert();
332 for(Int_t i=0;i<3;i++){
333 if(d->PtProng(i)>ptmax)ptmax=d->PtProng(i);
335 fCosPHistLS[iPtBin]->Fill(cosp);
336 fDLenHistLS[iPtBin]->Fill(dlen);
337 fSumd02HistLS[iPtBin]->Fill(sumD02);
338 fSigVertHistLS[iPtBin]->Fill(sigvert);
339 fPtMaxHistLS[iPtBin]->Fill(ptmax);
340 fDCAHistLS[iPtBin]->Fill(dca);
343 if(unsetvtx) d->UnsetOwnPrimaryVtx();
345 //wei:normalized to the number of combinations (production)
346 //wei2:normalized to the number of LS/OS (production)
347 //wei3:normalized to the number of LS/OS (analysis)
348 //wei4:normalized to the number of combinations (analysis)
350 if(nLikeSign!=0)wei2 = (Float_t)nOStriplets/(Float_t)nLikeSign;
352 if(nDplusLS!=0)wei3 = (Float_t)nDplusOS/(Float_t)(nDplusLS+nDminusLS);
353 Float_t weiplus=1.,weiminus=1.;
354 Float_t wei4plus=1.,wei4minus=1.;
355 //wei* should be automatically protected, since to get a triplet there must be at least 3 good tracks in the event
356 if(nPosTrks>2)weiplus=3.*(Float_t)nNegTrks/((Float_t)nPosTrks-2.);
357 if(nDplusLS>2)wei4plus=3.*(Float_t)nDminusLS/((Float_t)nDplusLS-2.);
358 if(nNegTrks>2)weiminus=3.*(Float_t)nPosTrks/((Float_t)nNegTrks-2.);
359 if(nDminusLS>2)wei4minus=3.*(Float_t)nDplusLS/((Float_t)nDminusLS-2.);
361 fMassHistLS[index]->Add(histLSPlus,weiplus);
362 fMassHistLS[index]->Add(histLSMinus,weiminus);
363 fMassHistLS[index+2]->Add(histLSPlus,wei2);
364 fMassHistLS[index+2]->Add(histLSMinus,wei2);
365 fMassHistLS[index+3]->Add(histLSPlus,wei3);
366 fMassHistLS[index+3]->Add(histLSMinus,wei3);
367 fMassHistLS[index+4]->Add(histLSPlus,wei4plus);
368 fMassHistLS[index+4]->Add(histLSMinus,wei4minus);
370 delete histLSPlus;histLSPlus=0;
371 delete histLSMinus;histLSMinus=0;
373 if(fDebug>1) printf("LS analysis terminated\n");
376 //__________________________________________
377 void AliAnalysisTaskSEDplus::Init(){
381 if(fDebug > 1) printf("AnalysisTaskSEDplus::Init() \n");
383 //PostData(2,fRDCutsloose);//we should then put those cuts in a tlist if we have more than 1
384 fListCuts=new TList();
385 AliRDHFCutsDplustoKpipi *production = new AliRDHFCutsDplustoKpipi(*fRDCutsProduction);
386 production->SetName("ProductionCuts");
387 AliRDHFCutsDplustoKpipi *analysis = new AliRDHFCutsDplustoKpipi(*fRDCutsAnalysis);
388 analysis->SetName("AnalysisCuts");
390 fListCuts->Add(production);
391 fListCuts->Add(analysis);
392 PostData(2,fListCuts);
397 //________________________________________________________________________
398 void AliAnalysisTaskSEDplus::UserCreateOutputObjects()
400 // Create the output container
402 if(fDebug > 1) printf("AnalysisTaskSEDplus::UserCreateOutputObjects() \n");
404 // Several histograms are more conveniently managed in a TList
405 fOutput = new TList();
407 fOutput->SetName("OutputHistos");
411 Int_t nbins=GetNBinsHistos();
412 fHistCentrality[0]=new TH1F("centrality","centrality",100,0.5,30000.5);
413 fHistCentrality[1]=new TH1F("centrality(selectedCent)","centrality(selectedCent)",100,0.5,30000.5);
414 fHistCentrality[2]=new TH1F("centrality(OutofCent)","centrality(OutofCent)",100,0.5,30000.5);
415 for(Int_t i=0;i<3;i++){
416 fHistCentrality[i]->Sumw2();
417 fOutput->Add(fHistCentrality[i]);
419 for(Int_t i=0;i<fNPtBins;i++){
421 index=GetHistoIndex(i);
423 hisname.Form("hMassPt%d",i);
424 fMassHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
425 fMassHist[index]->Sumw2();
426 hisname.Form("hCosPAllPt%d",i);
427 fCosPHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,1.);
428 fCosPHist[index]->Sumw2();
429 hisname.Form("hDLenAllPt%d",i);
430 fDLenHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.5);
431 fDLenHist[index]->Sumw2();
432 hisname.Form("hSumd02AllPt%d",i);
433 fSumd02Hist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,1.);
434 fSumd02Hist[index]->Sumw2();
435 hisname.Form("hSigVertAllPt%d",i);
436 fSigVertHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
437 fSigVertHist[index]->Sumw2();
438 hisname.Form("hPtMaxAllPt%d",i);
439 fPtMaxHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
440 fPtMaxHist[index]->Sumw2();
441 hisname.Form("hPtKPt%d",i);
442 fPtKHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
443 fPtKHist[index]->Sumw2();
444 hisname.Form("hPtpi1Pt%d",i);
445 fPtpi1Hist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
446 fPtpi1Hist[index]->Sumw2();
447 hisname.Form("hPtpi2Pt%d",i);
448 fPtpi2Hist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
449 fPtpi2Hist[index]->Sumw2();
450 hisname.Form("hDCAAllPt%d",i);
451 fDCAHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
452 fDCAHist[index]->Sumw2();
454 hisname.Form("hDLxyPt%d",i);
455 fDLxy[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,10.);
456 fDLxy[index]->Sumw2();
457 hisname.Form("hCosxyPt%d",i);
458 fCosxy[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.85,1.);
459 fCosxy[index]->Sumw2();
460 hisname.Form("hDLxyPt%dTC",i);
461 fDLxyTC[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,10.);
462 fDLxyTC[index]->Sumw2();
463 hisname.Form("hCosxyPt%dTC",i);
464 fCosxyTC[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.85,1.);
465 fCosxyTC[index]->Sumw2();
467 hisname.Form("hMassPt%dTC",i);
468 fMassHistTC[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
469 fMassHistTC[index]->Sumw2();
470 hisname.Form("hMassPt%dTCPlus",i);
471 fMassHistTCPlus[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
472 fMassHistTCPlus[index]->Sumw2();
473 hisname.Form("hMassPt%dTCMinus",i);
474 fMassHistTCMinus[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
475 fMassHistTCMinus[index]->Sumw2();
479 index=GetSignalHistoIndex(i);
480 hisname.Form("hSigPt%d",i);
481 fMassHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
482 fMassHist[index]->Sumw2();
483 hisname.Form("hCosPSigPt%d",i);
484 fCosPHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,1.);
485 fCosPHist[index]->Sumw2();
486 hisname.Form("hDLenSigPt%d",i);
487 fDLenHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.5);
488 fDLenHist[index]->Sumw2();
489 hisname.Form("hSumd02SigPt%d",i);
490 fSumd02Hist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,1.);
491 fSumd02Hist[index]->Sumw2();
492 hisname.Form("hSigVertSigPt%d",i);
493 fSigVertHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
494 fSigVertHist[index]->Sumw2();
495 hisname.Form("hPtMaxSigPt%d",i);
496 fPtMaxHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
497 fPtMaxHist[index]->Sumw2();
498 hisname.Form("hPtKSigPt%d",i);
499 fPtKHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
500 fPtKHist[index]->Sumw2();
501 hisname.Form("hPtpi1SigPt%d",i);
502 fPtpi1Hist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
503 fPtpi1Hist[index]->Sumw2();
504 hisname.Form("hPtpi2SigPt%d",i);
505 fPtpi2Hist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
506 fPtpi2Hist[index]->Sumw2();
508 hisname.Form("hDCASigPt%d",i);
509 fDCAHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
510 fDCAHist[index]->Sumw2();
512 hisname.Form("hDLxySigPt%d",i);
513 fDLxy[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,10.);
514 fDLxy[index]->Sumw2();
515 hisname.Form("hCosxySigPt%d",i);
516 fCosxy[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.85,1.);
517 fCosxy[index]->Sumw2();
518 hisname.Form("hDLxySigPt%dTC",i);
519 fDLxyTC[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,10.);
520 fDLxyTC[index]->Sumw2();
521 hisname.Form("hCosxySigPt%dTC",i);
522 fCosxyTC[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.85,1.);
523 fCosxyTC[index]->Sumw2();
524 hisname.Form("hSigPt%dTC",i);
525 fMassHistTC[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
526 fMassHistTC[index]->Sumw2();
527 hisname.Form("hSigPt%dTCPlus",i);
528 fMassHistTCPlus[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
529 fMassHistTCPlus[index]->Sumw2();
530 hisname.Form("hSigPt%dTCMinus",i);
531 fMassHistTCMinus[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
532 fMassHistTCMinus[index]->Sumw2();
535 index=GetBackgroundHistoIndex(i);
536 hisname.Form("hBkgPt%d",i);
537 fMassHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
538 fMassHist[index]->Sumw2();
539 hisname.Form("hCosPBkgPt%d",i);
540 fCosPHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,1.);
541 fCosPHist[index]->Sumw2();
542 hisname.Form("hDLenBkgPt%d",i);
543 fDLenHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.5);
544 fDLenHist[index]->Sumw2();
545 hisname.Form("hSumd02BkgPt%d",i);
546 fSumd02Hist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,1.);
547 fSumd02Hist[index]->Sumw2();
548 hisname.Form("hSigVertBkgPt%d",i);
549 fSigVertHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
550 fSigVertHist[index]->Sumw2();
551 hisname.Form("hPtMaxBkgPt%d",i);
552 fPtMaxHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
553 fPtMaxHist[index]->Sumw2();
554 hisname.Form("hPtKBkgPt%d",i);
555 fPtKHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
556 fPtKHist[index]->Sumw2();
557 hisname.Form("hPtpi1BkgPt%d",i);
558 fPtpi1Hist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
559 fPtpi1Hist[index]->Sumw2();
560 hisname.Form("hPtpi2BkgPt%d",i);
561 fPtpi2Hist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
562 fPtpi2Hist[index]->Sumw2();
563 hisname.Form("hDCABkgPt%d",i);
564 fDCAHist[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
565 fDCAHist[index]->Sumw2();
567 hisname.Form("hDLxyBkgPt%d",i);
568 fDLxy[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,10.);
569 fDLxy[index]->Sumw2();
570 hisname.Form("hCosxyBkgPt%d",i);
571 fCosxy[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.85,1.);
572 fCosxy[index]->Sumw2();
573 hisname.Form("hDLxyBkgPt%dTC",i);
574 fDLxyTC[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,10.);
575 fDLxyTC[index]->Sumw2();
576 hisname.Form("hCosxyBkgPt%dTC",i);
577 fCosxyTC[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.85,1.);
578 fCosxyTC[index]->Sumw2();
581 hisname.Form("hBkgPt%dTC",i);
582 fMassHistTC[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
583 fMassHistTC[index]->Sumw2();
584 hisname.Form("hBkgPt%dTCPlus",i);
585 fMassHistTCPlus[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
586 fMassHistTCPlus[index]->Sumw2();
587 hisname.Form("hBkgPt%dTCMinus",i);
588 fMassHistTCMinus[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
589 fMassHistTCMinus[index]->Sumw2();
593 for(Int_t i=0; i<3*fNPtBins; i++){
594 fOutput->Add(fMassHist[i]);
596 fOutput->Add(fCosPHist[i]);
597 fOutput->Add(fDLenHist[i]);
598 fOutput->Add(fSumd02Hist[i]);
599 fOutput->Add(fSigVertHist[i]);
600 fOutput->Add(fPtMaxHist[i]);
601 fOutput->Add(fPtKHist[i]);
602 fOutput->Add(fPtpi1Hist[i]);
603 fOutput->Add(fPtpi2Hist[i]);
604 fOutput->Add(fDCAHist[i]);
605 fOutput->Add(fDLxy[i]);
606 fOutput->Add(fDLxyTC[i]);
607 fOutput->Add(fCosxy[i]);
608 fOutput->Add(fCosxyTC[i]);
610 fOutput->Add(fMassHistTC[i]);
611 fOutput->Add(fMassHistTCPlus[i]);
612 fOutput->Add(fMassHistTCMinus[i]);
617 fCorreld0Kd0pi[0]=new TH2F("hCorreld0Kd0piAll","",100,-0.02,0.02,100,-0.02,0.02);
618 fCorreld0Kd0pi[1]=new TH2F("hCorreld0Kd0piSig","",100,-0.02,0.02,100,-0.02,0.02);
619 fCorreld0Kd0pi[2]=new TH2F("hCorreld0Kd0piBkg","",100,-0.02,0.02,100,-0.02,0.02);
620 for(Int_t i=0; i<3; i++){
621 fCorreld0Kd0pi[i]->Sumw2();
622 fOutput->Add(fCorreld0Kd0pi[i]);
626 fHistNEvents = new TH1F("fHistNEvents", "number of events ",9,-0.5,8.5);
627 fHistNEvents->GetXaxis()->SetBinLabel(1,"nEventsAnal");
628 fHistNEvents->GetXaxis()->SetBinLabel(2,"nEvents with good vertex");
629 fHistNEvents->GetXaxis()->SetBinLabel(3,"nEvents with PbPb HM trigger");
630 fHistNEvents->GetXaxis()->SetBinLabel(4,"no. of Rejected pileup events");
631 fHistNEvents->GetXaxis()->SetBinLabel(5,"no. of candidate");
632 fHistNEvents->GetXaxis()->SetBinLabel(6,"no. of D+ after loose cuts");
633 fHistNEvents->GetXaxis()->SetBinLabel(7,"no. of D+ after tight cuts");
634 fHistNEvents->GetXaxis()->SetBinLabel(8,"no. of out centrality events");
635 fHistNEvents->GetXaxis()->SetBinLabel(9,"no. of cand wo bitmask");
636 fHistNEvents->GetXaxis()->SetNdivisions(1,kFALSE);
637 fHistNEvents->Sumw2();
638 fHistNEvents->SetMinimum(0);
639 fOutput->Add(fHistNEvents);
641 fPtVsMass=new TH2F("hPtVsMass","PtVsMass (prod. cuts)",nbins,fLowmasslimit,fUpmasslimit,200,0.,20.);
642 fPtVsMassTC=new TH2F("hPtVsMassTC","PtVsMass (analysis cuts)",nbins,fLowmasslimit,fUpmasslimit,200,0.,20.);
643 fYVsPt=new TH2F("hYVsPt","YvsPt (prod. cuts)",40,0.,20.,80,-2.,2.);
644 fYVsPtTC=new TH2F("hYVsPtTC","YvsPt (analysis cuts)",40,0.,20.,80,-2.,2.);
645 fYVsPtSig=new TH2F("hYVsPtSig","YvsPt (MC, only sig., prod. cuts)",40,0.,20.,80,-2.,2.);
646 fYVsPtSigTC=new TH2F("hYVsPtSigTC","YvsPt (MC, only Sig, analysis cuts)",40,0.,20.,80,-2.,2.);
648 fOutput->Add(fPtVsMass);
649 fOutput->Add(fPtVsMassTC);
650 fOutput->Add(fYVsPt);
651 fOutput->Add(fYVsPtTC);
652 fOutput->Add(fYVsPtSig);
653 fOutput->Add(fYVsPtSigTC);
656 //Counter for Normalization
657 TString normName="NormalizationCounter";
658 AliAnalysisDataContainer *cont = GetOutputSlot(3)->GetContainer();
659 if(cont)normName=(TString)cont->GetName();
660 fCounter = new AliNormalizationCounter(normName.Data());
662 if(fDoLS) CreateLikeSignHistos();
663 if(fDoImpPar) CreateImpactParameterHistos();
666 OpenFile(4); // 4 is the slot number of the ntuple
668 fNtupleDplus = new TNtuple("fNtupleDplus","D +","pdg:Px:Py:Pz:PtTrue:VxTrue:VyTrue:VzTrue:Ptpi:PtK:Ptpi2:PtRec:PointingAngle:DecLeng:VxRec:VyRec:VzRec:InvMass:sigvert:d0Pi:d0K:d0Pi2:dca:d0square");
675 //________________________________________________________________________
676 void AliAnalysisTaskSEDplus::UserExec(Option_t */*option*/)
678 // Execute analysis for current event:
679 // heavy flavor candidates association to MC truth
681 AliAODEvent *aod = dynamic_cast<AliAODEvent*> (InputEvent());
685 TClonesArray *array3Prong = 0;
686 TClonesArray *arrayLikeSign =0;
687 if(!aod && AODEvent() && IsStandardAOD()) {
688 // In case there is an AOD handler writing a standard AOD, use the AOD
689 // event in memory rather than the input (ESD) event.
690 aod = dynamic_cast<AliAODEvent*> (AODEvent());
691 // in this case the braches in the deltaAOD (AliAOD.VertexingHF.root)
692 // have to taken from the AOD event hold by the AliAODExtension
693 AliAODHandler* aodHandler = (AliAODHandler*)
694 ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
695 if(aodHandler->GetExtensions()) {
696 AliAODExtension *ext = (AliAODExtension*)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root");
697 AliAODEvent *aodFromExt = ext->GetAOD();
698 array3Prong=(TClonesArray*)aodFromExt->GetList()->FindObject("Charm3Prong");
699 arrayLikeSign=(TClonesArray*)aodFromExt->GetList()->FindObject("LikeSign3Prong");
702 array3Prong=(TClonesArray*)aod->GetList()->FindObject("Charm3Prong");
703 arrayLikeSign=(TClonesArray*)aod->GetList()->FindObject("LikeSign3Prong");
706 if(!aod || !array3Prong) {
707 printf("AliAnalysisTaskSEDplus::UserExec: Charm3Prong branch not found!\n");
710 if(!arrayLikeSign && fDoLS) {
711 printf("AliAnalysisTaskSEDplus::UserExec: LikeSign3Prong branch not found!\n");
716 // fix for temporary bug in ESDfilter
717 // the AODs with null vertex pointer didn't pass the PhysSel
718 if(!aod->GetPrimaryVertex()||TMath::Abs(aod->GetMagneticField())<0.001) return;
719 fCounter->StoreEvent(aod,fRDCutsAnalysis,fReadMC);
720 fHistNEvents->Fill(0); // count event
722 Bool_t isEvSel=fRDCutsAnalysis->IsEventSelected(aod);
723 Float_t centrality=aod->GetNTracks();//fRDCutsAnalysis->GetCentrality(aod);
724 fHistCentrality[0]->Fill(centrality);
725 // trigger class for PbPb C0SMH-B-NOPF-ALLNOTRD
726 TString trigclass=aod->GetFiredTriggerClasses();
727 if(trigclass.Contains("C0SMH-B-NOPF-ALLNOTRD")||trigclass.Contains("C0SMH-B-NOPF-ALL")) fHistNEvents->Fill(2);
728 if(fRDCutsAnalysis->GetWhyRejection()==1)fHistNEvents->Fill(3);
729 if(fRDCutsAnalysis->GetWhyRejection()==2){fHistNEvents->Fill(7);fHistCentrality[2]->Fill(centrality);}
731 // Post the data already here
735 fHistCentrality[1]->Fill(centrality);
736 fHistNEvents->Fill(1);
738 TClonesArray *arrayMC=0;
739 AliAODMCHeader *mcHeader=0;
741 // AOD primary vertex
742 AliAODVertex *vtx1 = (AliAODVertex*)aod->GetPrimaryVertex();
744 TString primTitle = vtx1->GetTitle();
745 //if(primTitle.Contains("VertexerTracks") && vtx1->GetNContributors()>0)fHistNEvents->Fill(2);
750 arrayMC = (TClonesArray*)aod->GetList()->FindObject(AliAODMCParticle::StdBranchName());
752 printf("AliAnalysisTaskSEDplus::UserExec: MC particles branch not found!\n");
757 mcHeader = (AliAODMCHeader*)aod->GetList()->FindObject(AliAODMCHeader::StdBranchName());
759 printf("AliAnalysisTaskSEDplus::UserExec: MC header branch not found!\n");
764 Int_t n3Prong = array3Prong->GetEntriesFast();
765 // printf("Number of D+->Kpipi: %d and of tracks: %d\n",n3Prong,aod->GetNumberOfTracks());
770 Int_t pdgDgDplustoKpipi[3]={321,211,211};
773 for (Int_t i3Prong = 0; i3Prong < n3Prong; i3Prong++) {
774 AliAODRecoDecayHF3Prong *d = (AliAODRecoDecayHF3Prong*)array3Prong->UncheckedAt(i3Prong);
775 if(fUseBit && !d->HasSelectionBit(AliRDHFCuts::kDplusCuts)){
776 if(fRDCutsAnalysis->IsSelected(d,AliRDHFCuts::kCandidate,aod))nOS++;
780 // Double_t cutsDplus[12]={0.2,0.4,0.4,0.,0.,0.01,0.06,0.02,0.,0.85,0.,10000000000.};//TO REMOVE
781 //Double_t *cutsDplus = new (Double_t*)fRDCuts->GetCuts();
782 Int_t nSelectedloose=0,nSelectedtight=0;
783 for (Int_t i3Prong = 0; i3Prong < n3Prong; i3Prong++) {
784 AliAODRecoDecayHF3Prong *d = (AliAODRecoDecayHF3Prong*)array3Prong->UncheckedAt(i3Prong);
785 fHistNEvents->Fill(4);
786 if(fUseBit && !d->HasSelectionBit(AliRDHFCuts::kDplusCuts)){
787 fHistNEvents->Fill(8);
790 Bool_t unsetvtx=kFALSE;
791 if(!d->GetOwnPrimaryVtx()){
792 d->SetOwnPrimaryVtx(vtx1);
796 if(fRDCutsProduction->IsSelected(d,AliRDHFCuts::kCandidate,aod)) {
798 Double_t ptCand = d->Pt();
799 Int_t iPtBin = fRDCutsProduction->PtBin(ptCand);
801 Int_t passTightCuts=fRDCutsAnalysis->IsSelected(d,AliRDHFCuts::kCandidate,aod);
802 Bool_t recVtx=kFALSE;
803 AliAODVertex *origownvtx=0x0;
804 if(fRDCutsProduction->GetIsPrimaryWithoutDaughters()){
805 if(d->GetOwnPrimaryVtx()) origownvtx=new AliAODVertex(*d->GetOwnPrimaryVtx());
806 if(fRDCutsProduction->RecalcOwnPrimaryVtx(d,aod))recVtx=kTRUE;
807 else fRDCutsProduction->CleanOwnPrimaryVtx(d,aod,origownvtx);
811 Bool_t isPrimary=kTRUE;
820 Float_t trueImpParXY=0.;
822 labDp = d->MatchToMC(411,arrayMC,3,pdgDgDplustoKpipi);
824 AliAODMCParticle *partDp = (AliAODMCParticle*)arrayMC->At(labDp);
825 if(CheckOrigin(arrayMC,partDp)==5) isPrimary=kFALSE;
826 AliAODMCParticle *dg0 = (AliAODMCParticle*)arrayMC->At(partDp->GetDaughter(0));
827 deltaPx=partDp->Px()-d->Px();
828 deltaPy=partDp->Py()-d->Py();
829 deltaPz=partDp->Pz()-d->Pz();
834 pdgCode=TMath::Abs(partDp->GetPdgCode());
836 trueImpParXY=GetTrueImpactParameter(mcHeader,arrayMC,partDp)*10000.;
843 Double_t invMass=d->InvMassDplus();
844 Double_t rapid=d->YDplus();
845 fYVsPt->Fill(ptCand,rapid);
846 if(passTightCuts) {fYVsPtTC->Fill(ptCand,rapid);nOS++;}
847 Bool_t isFidAcc=fRDCutsAnalysis->IsInFiducialAcceptance(ptCand,rapid);
849 fPtVsMass->Fill(invMass,ptCand);
850 if(passTightCuts) fPtVsMassTC->Fill(invMass,ptCand);
853 Double_t dlen=d->DecayLength();
854 Double_t cosp=d->CosPointingAngle();
855 Double_t sumD02=d->Getd0Prong(0)*d->Getd0Prong(0)+d->Getd0Prong(1)*d->Getd0Prong(1)+d->Getd0Prong(2)*d->Getd0Prong(2);
856 Double_t dca=d->GetDCA();
857 Double_t sigvert=d->GetSigmaVert();
859 for(Int_t i=0;i<3;i++){
860 if(d->PtProng(i)>ptmax)ptmax=d->PtProng(i);
862 Double_t impparXY=d->ImpParXY()*10000.;
863 Double_t arrayForSparse[3]={invMass,ptCand,impparXY};
864 Double_t arrayForSparseTrue[3]={invMass,ptCand,trueImpParXY};
874 tmp[8]=d->PtProng(0);
875 tmp[9]=d->PtProng(1);
876 tmp[10]=d->PtProng(2);
883 tmp[17]=d->InvMassDplus();
885 tmp[19]=d->Getd0Prong(0);
886 tmp[20]=d->Getd0Prong(1);
887 tmp[21]=d->Getd0Prong(2);
889 tmp[23]=d->Prodd0d0();
890 fNtupleDplus->Fill(tmp);
891 PostData(4,fNtupleDplus);
894 Float_t dlxy=d->NormalizedDecayLengthXY();
895 Float_t cxy=d->CosPointingAngleXY();
896 index=GetHistoIndex(iPtBin);
898 fHistNEvents->Fill(5);
900 fMassHist[index]->Fill(invMass);
902 fCosPHist[index]->Fill(cosp);
903 fDLenHist[index]->Fill(dlen);
904 fSumd02Hist[index]->Fill(sumD02);
905 fSigVertHist[index]->Fill(sigvert);
906 fPtMaxHist[index]->Fill(ptmax);
907 fPtKHist[index]->Fill(d->PtProng(1));
908 fPtpi1Hist[index]->Fill(d->PtProng(0));
909 fPtpi2Hist[index]->Fill(d->PtProng(2));
910 fDCAHist[index]->Fill(dca);
911 fDLxy[index]->Fill(dlxy);
912 fCosxy[index]->Fill(cxy);
913 fCorreld0Kd0pi[0]->Fill(d->Getd0Prong(0)*d->Getd0Prong(1),
914 d->Getd0Prong(2)*d->Getd0Prong(1));
916 if(passTightCuts){ fHistNEvents->Fill(6);
918 fMassHistTC[index]->Fill(invMass);
920 fDLxyTC[index]->Fill(dlxy);
921 fCosxyTC[index]->Fill(cxy);
923 if(d->GetCharge()>0) fMassHistTCPlus[index]->Fill(invMass);
924 else if(d->GetCharge()<0) fMassHistTCMinus[index]->Fill(invMass);
926 fHistMassPtImpParTC[0]->Fill(arrayForSparse);
934 index=GetSignalHistoIndex(iPtBin);
936 Float_t factor[3]={1.,1.,1.};
938 for(Int_t iprong=0;iprong<3;iprong++){
939 AliAODTrack *trad = (AliAODTrack*)d->GetDaughter(iprong);
940 Int_t labd= trad->GetLabel();
942 AliAODMCParticle *dau = (AliAODMCParticle*)arrayMC->At(labd);
944 Int_t labm = dau->GetMother();
946 AliAODMCParticle *mot = (AliAODMCParticle*)arrayMC->At(labm);
948 if(TMath::Abs(mot->GetPdgCode())==310 || TMath::Abs(mot->GetPdgCode())==130 || TMath::Abs(mot->GetPdgCode())==321){ //K0_S, K0_L, K^+-
949 if(d->PtProng(iprong)<=1)factor[iprong]=1./.7;
950 else factor[iprong]=1./.6;
951 // fNentries->Fill(12);
953 if(TMath::Abs(mot->GetPdgCode())==3122) { //Lambda
954 factor[iprong]=1./0.25;
955 // fNentries->Fill(13);
963 Float_t fact=1.;for(Int_t k=0;k<3;k++)fact=fact*factor[k];
964 fMassHist[index]->Fill(invMass);
966 fCosPHist[index]->Fill(cosp,fact);
967 fDLenHist[index]->Fill(dlen,fact);
968 fDLxy[index]->Fill(dlxy);
969 fCosxy[index]->Fill(cxy);
971 Float_t sumd02s=d->Getd0Prong(0)*d->Getd0Prong(0)*factor[0]*factor[0]+d->Getd0Prong(1)*d->Getd0Prong(1)*factor[1]*factor[1]+d->Getd0Prong(2)*d->Getd0Prong(2)*factor[2]*factor[2];
972 fSumd02Hist[index]->Fill(sumd02s);
973 fSigVertHist[index]->Fill(sigvert,fact);
974 fPtMaxHist[index]->Fill(ptmax,fact);
975 fPtKHist[index]->Fill(d->PtProng(1),fact);
976 fPtpi1Hist[index]->Fill(d->PtProng(0),fact);
977 fPtpi2Hist[index]->Fill(d->PtProng(2),fact);
978 fDCAHist[index]->Fill(dca,fact);
979 fCorreld0Kd0pi[1]->Fill(d->Getd0Prong(0)*d->Getd0Prong(1),
980 d->Getd0Prong(2)*d->Getd0Prong(1));
983 fMassHistTC[index]->Fill(invMass);
985 fDLxyTC[index]->Fill(dlxy);
986 fCosxyTC[index]->Fill(cxy);
988 if(d->GetCharge()>0) fMassHistTCPlus[index]->Fill(invMass);
989 else if(d->GetCharge()<0) fMassHistTCMinus[index]->Fill(invMass);
991 if(isPrimary) fHistMassPtImpParTC[1]->Fill(arrayForSparse);
993 fHistMassPtImpParTC[2]->Fill(arrayForSparse);
994 fHistMassPtImpParTC[3]->Fill(arrayForSparseTrue);
999 fYVsPtSig->Fill(ptCand,rapid);
1000 if(passTightCuts) fYVsPtSigTC->Fill(ptCand,rapid);
1002 index=GetBackgroundHistoIndex(iPtBin);
1004 Float_t factor[3]={1.,1.,1.};
1005 if(fUseStrangeness){
1006 for(Int_t iprong=0;iprong<3;iprong++){
1007 AliAODTrack *trad = (AliAODTrack*)d->GetDaughter(iprong);
1008 Int_t labd= trad->GetLabel();
1010 AliAODMCParticle *dau = (AliAODMCParticle*)arrayMC->At(labd);
1012 Int_t labm = dau->GetMother();
1014 AliAODMCParticle *mot = (AliAODMCParticle*)arrayMC->At(labm);
1016 if(TMath::Abs(mot->GetPdgCode())==310 || TMath::Abs(mot->GetPdgCode())==130 || TMath::Abs(mot->GetPdgCode())==321){ //K0_S, K0_L, K^+-
1017 if(d->PtProng(iprong)<=1)factor[iprong]=1./.7;
1018 else factor[iprong]=1./.6;
1019 // fNentries->Fill(12);
1021 if(TMath::Abs(mot->GetPdgCode())==3122) { //Lambda
1022 factor[iprong]=1./0.25;
1023 // fNentries->Fill(13);
1032 Float_t fact=1.;for(Int_t k=0;k<3;k++)fact=fact*factor[k];
1033 fMassHist[index]->Fill(invMass);
1035 fCosPHist[index]->Fill(cosp,fact);
1036 fDLenHist[index]->Fill(dlen,fact);
1037 fDLxy[index]->Fill(dlxy);
1038 fCosxy[index]->Fill(cxy);
1040 Float_t sumd02s=d->Getd0Prong(0)*d->Getd0Prong(0)*factor[0]*factor[0]+d->Getd0Prong(1)*d->Getd0Prong(1)*factor[1]*factor[1]+d->Getd0Prong(2)*d->Getd0Prong(2)*factor[2]*factor[2];
1041 fSumd02Hist[index]->Fill(sumd02s);
1042 fSigVertHist[index]->Fill(sigvert,fact);
1043 fPtMaxHist[index]->Fill(ptmax,fact);
1044 fPtKHist[index]->Fill(d->PtProng(1),fact);
1045 fPtpi1Hist[index]->Fill(d->PtProng(0),fact);
1046 fPtpi2Hist[index]->Fill(d->PtProng(2),fact);
1047 fDCAHist[index]->Fill(dca,fact);
1048 fCorreld0Kd0pi[2]->Fill(d->Getd0Prong(0)*d->Getd0Prong(1),
1049 d->Getd0Prong(2)*d->Getd0Prong(1));
1052 fMassHistTC[index]->Fill(invMass);
1054 fDLxyTC[index]->Fill(dlxy);
1055 fCosxyTC[index]->Fill(cxy);
1057 if(d->GetCharge()>0) fMassHistTCPlus[index]->Fill(invMass);
1058 else if(d->GetCharge()<0) fMassHistTCMinus[index]->Fill(invMass);
1060 fHistMassPtImpParTC[4]->Fill(arrayForSparse);
1069 if(recVtx)fRDCutsProduction->CleanOwnPrimaryVtx(d,aod,origownvtx);
1071 if(unsetvtx) d->UnsetOwnPrimaryVtx();
1073 fCounter->StoreCandidates(aod,nSelectedloose,kTRUE);
1074 fCounter->StoreCandidates(aod,nSelectedtight,kFALSE);
1077 if(fDoLS && arrayLikeSign) LSAnalysis(array3Prong,arrayLikeSign,aod,vtx1,nOS);
1079 PostData(1,fOutput);
1080 PostData(2,fListCuts);
1081 PostData(3,fCounter);
1085 //________________________________________________________________________
1086 void AliAnalysisTaskSEDplus::CreateLikeSignHistos(){
1087 // Histos for Like Sign bckground
1092 Int_t nbins=GetNBinsHistos();
1093 for(Int_t i=0;i<fNPtBins;i++){
1095 index=GetHistoIndex(i);
1096 indexLS=GetLSHistoIndex(i);
1098 hisname.Form("hLSPt%dLC",i);
1099 fMassHistLS[indexLS] = new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
1100 fMassHistLS[indexLS]->Sumw2();
1101 hisname.Form("hLSPt%dTC",i);
1102 fMassHistLSTC[indexLS] = new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
1103 fMassHistLSTC[indexLS]->Sumw2();
1105 hisname.Form("hCosPAllPt%dLS",i);
1106 fCosPHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,1.);
1107 fCosPHistLS[index]->Sumw2();
1108 hisname.Form("hDLenAllPt%dLS",i);
1109 fDLenHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.5);
1110 fDLenHistLS[index]->Sumw2();
1111 hisname.Form("hSumd02AllPt%dLS",i);
1112 fSumd02HistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,1.);
1113 fSumd02HistLS[index]->Sumw2();
1114 hisname.Form("hSigVertAllPt%dLS",i);
1115 fSigVertHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
1116 fSigVertHistLS[index]->Sumw2();
1117 hisname.Form("hPtMaxAllPt%dLS",i);
1118 fPtMaxHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
1119 fPtMaxHistLS[index]->Sumw2();
1120 hisname.Form("hDCAAllPt%dLS",i);
1121 fDCAHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
1122 fDCAHistLS[index]->Sumw2();
1124 index=GetSignalHistoIndex(i);
1127 hisname.Form("hLSPt%dLCnw",i);
1128 fMassHistLS[indexLS]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
1129 fMassHistLS[indexLS]->Sumw2();
1130 hisname.Form("hLSPt%dTCnw",i);
1131 fMassHistLSTC[indexLS]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
1132 fMassHistLSTC[indexLS]->Sumw2();
1134 hisname.Form("hCosPSigPt%dLS",i);
1135 fCosPHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,1.);
1136 fCosPHistLS[index]->Sumw2();
1137 hisname.Form("hDLenSigPt%dLS",i);
1138 fDLenHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.5);
1139 fDLenHistLS[index]->Sumw2();
1140 hisname.Form("hSumd02SigPt%dLS",i);
1141 fSumd02HistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,1.);
1142 fSumd02HistLS[index]->Sumw2();
1143 hisname.Form("hSigVertSigPt%dLS",i);
1144 fSigVertHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
1145 fSigVertHistLS[index]->Sumw2();
1146 hisname.Form("hPtMaxSigPt%dLS",i);
1147 fPtMaxHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
1148 fPtMaxHistLS[index]->Sumw2();
1149 hisname.Form("hDCASigPt%dLS",i);
1150 fDCAHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
1151 fDCAHistLS[index]->Sumw2();
1153 index=GetBackgroundHistoIndex(i);
1156 hisname.Form("hLSPt%dLCntrip",i);
1157 fMassHistLS[indexLS]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
1158 fMassHistLS[indexLS]->Sumw2();
1159 hisname.Form("hLSPt%dTCntrip",i);
1160 fMassHistLSTC[indexLS]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
1161 fMassHistLSTC[indexLS]->Sumw2();
1163 hisname.Form("hCosPBkgPt%dLS",i);
1164 fCosPHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,1.);
1165 fCosPHistLS[index]->Sumw2();
1166 hisname.Form("hDLenBkgPt%dLS",i);
1167 fDLenHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.5);
1168 fDLenHistLS[index]->Sumw2();
1169 hisname.Form("hSumd02BkgPt%dLS",i);
1170 fSumd02HistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,1.);
1171 fSumd02HistLS[index]->Sumw2();
1172 hisname.Form("hSigVertBkgPt%dLS",i);
1173 fSigVertHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
1174 fSigVertHistLS[index]->Sumw2();
1175 hisname.Form("hPtMaxBkgPt%dLS",i);
1176 fPtMaxHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.5,5.);
1177 fPtMaxHistLS[index]->Sumw2();
1178 hisname.Form("hDCABkgPt%dLS",i);
1179 fDCAHistLS[index]=new TH1F(hisname.Data(),hisname.Data(),nbins,0.,0.1);
1180 fDCAHistLS[index]->Sumw2();
1183 hisname.Form("hLSPt%dLCntripsinglecut",i);
1184 fMassHistLS[indexLS]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
1185 fMassHistLS[indexLS]->Sumw2();
1186 hisname.Form("hLSPt%dTCntripsinglecut",i);
1187 fMassHistLSTC[indexLS]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
1188 fMassHistLSTC[indexLS]->Sumw2();
1191 hisname.Form("hLSPt%dLCspc",i);
1192 fMassHistLS[indexLS]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
1193 fMassHistLS[indexLS]->Sumw2();
1194 hisname.Form("hLSPt%dTCspc",i);
1195 fMassHistLSTC[indexLS]=new TH1F(hisname.Data(),hisname.Data(),nbins,fLowmasslimit,fUpmasslimit);
1196 fMassHistLSTC[indexLS]->Sumw2();
1199 for(Int_t i=0; i<3*fNPtBins; i++){
1200 fOutput->Add(fCosPHistLS[i]);
1201 fOutput->Add(fDLenHistLS[i]);
1202 fOutput->Add(fSumd02HistLS[i]);
1203 fOutput->Add(fSigVertHistLS[i]);
1204 fOutput->Add(fPtMaxHistLS[i]);
1205 fOutput->Add(fDCAHistLS[i]);
1207 for(Int_t i=0; i<5*fNPtBins; i++){
1208 fOutput->Add(fMassHistLS[i]);
1209 fOutput->Add(fMassHistLSTC[i]);
1213 //________________________________________________________________________
1214 void AliAnalysisTaskSEDplus::CreateImpactParameterHistos(){
1215 // Histos for impact paramter study
1217 Int_t nmassbins=GetNBinsHistos();
1218 Int_t nbins[3]={nmassbins,200,fNImpParBins};
1219 Double_t xmin[3]={fLowmasslimit,0.,fLowerImpPar};
1220 Double_t xmax[3]={fUpmasslimit,20.,fHigherImpPar};
1222 fHistMassPtImpParTC[0]=new THnSparseF("hMassPtImpParAll",
1223 "Mass vs. pt vs.imppar - All",
1225 fHistMassPtImpParTC[1]=new THnSparseF("hMassPtImpParPrompt",
1226 "Mass vs. pt vs.imppar - promptD",
1228 fHistMassPtImpParTC[2]=new THnSparseF("hMassPtImpParBfeed",
1229 "Mass vs. pt vs.imppar - DfromB",
1231 fHistMassPtImpParTC[3]=new THnSparseF("hMassPtImpParTrueBfeed",
1232 "Mass vs. pt vs.true imppar -DfromB",
1234 fHistMassPtImpParTC[4]=new THnSparseF("hMassPtImpParBkg",
1235 "Mass vs. pt vs.imppar - backgr.",
1238 for(Int_t i=0; i<5;i++){
1239 fOutput->Add(fHistMassPtImpParTC[i]);
1243 //________________________________________________________________________
1244 void AliAnalysisTaskSEDplus::Terminate(Option_t */*option*/)
1246 // Terminate analysis
1248 if(fDebug > 1) printf("AnalysisTaskSEDplus: Terminate() \n");
1250 fOutput = dynamic_cast<TList*> (GetOutputData(1));
1252 printf("ERROR: fOutput not available\n");
1255 fHistNEvents = dynamic_cast<TH1F*>(fOutput->FindObject("fHistNEvents"));
1260 for(Int_t i=0;i<fNPtBins;i++){
1261 index=GetHistoIndex(i);
1263 hisname.Form("hMassPt%dTC",i);
1264 fMassHistTC[index]=dynamic_cast<TH1F*>(fOutput->FindObject(hisname.Data()));
1267 TCanvas *c1=new TCanvas("c1","D+ invariant mass distribution",500,500);
1269 TH1F *hMassPt=(TH1F*)fOutput->FindObject("hMassPt3TC");
1270 hMassPt->SetLineColor(kBlue);
1271 hMassPt->SetXTitle("M[GeV/c^{2}]");
1276 //_________________________________________________________________________________________________
1277 Int_t AliAnalysisTaskSEDplus::CheckOrigin(TClonesArray* arrayMC, AliAODMCParticle *mcPartCandidate) const {
1279 // checking whether the mother of the particles come from a charm or a bottom quark
1282 Int_t pdgGranma = 0;
1284 mother = mcPartCandidate->GetMother();
1286 Int_t abspdgGranma =0;
1287 Bool_t isFromB=kFALSE;
1288 Bool_t isQuarkFound=kFALSE;
1291 AliAODMCParticle* mcGranma = dynamic_cast<AliAODMCParticle*>(arrayMC->At(mother));
1293 pdgGranma = mcGranma->GetPdgCode();
1294 abspdgGranma = TMath::Abs(pdgGranma);
1295 if ((abspdgGranma > 500 && abspdgGranma < 600) || (abspdgGranma > 5000 && abspdgGranma < 6000)){
1298 if(abspdgGranma==4 || abspdgGranma==5) isQuarkFound=kTRUE;
1299 mother = mcGranma->GetMother();
1301 AliError("Failed casting the mother particle!");
1306 if(isFromB) return 5;
1309 //_________________________________________________________________________________________________
1310 Float_t AliAnalysisTaskSEDplus::GetTrueImpactParameter(AliAODMCHeader *mcHeader, TClonesArray* arrayMC, AliAODMCParticle *partDp) const {
1311 // true impact parameter calculation
1313 Double_t vtxTrue[3];
1314 mcHeader->GetVertex(vtxTrue);
1316 partDp->XvYvZv(origD);
1317 Short_t charge=partDp->Charge();
1318 Double_t pXdauTrue[3],pYdauTrue[3],pZdauTrue[3];
1319 for(Int_t iDau=0; iDau<3; iDau++){
1325 Int_t nDau=partDp->GetNDaughters();
1326 Int_t labelFirstDau = partDp->GetDaughter(0);
1328 for(Int_t iDau=0; iDau<3; iDau++){
1329 Int_t ind = labelFirstDau+iDau;
1330 AliAODMCParticle* part = dynamic_cast<AliAODMCParticle*>(arrayMC->At(ind));
1332 AliError("Daughter particle not found in MC array");
1335 pXdauTrue[iDau]=part->Px();
1336 pYdauTrue[iDau]=part->Py();
1337 pZdauTrue[iDau]=part->Pz();
1341 for(Int_t iDau=0; iDau<2; iDau++){
1342 Int_t ind = labelFirstDau+iDau;
1343 AliAODMCParticle* part = dynamic_cast<AliAODMCParticle*>(arrayMC->At(ind));
1345 AliError("Daughter particle not found in MC array");
1348 Int_t pdgCode=TMath::Abs(part->GetPdgCode());
1349 if(pdgCode==211 || pdgCode==321){
1350 pXdauTrue[theDau]=part->Px();
1351 pYdauTrue[theDau]=part->Py();
1352 pZdauTrue[theDau]=part->Pz();
1355 Int_t nDauRes=part->GetNDaughters();
1357 Int_t labelFirstDauRes = part->GetDaughter(0);
1358 for(Int_t iDauRes=0; iDauRes<2; iDauRes++){
1359 Int_t indDR = labelFirstDauRes+iDauRes;
1360 AliAODMCParticle* partDR = dynamic_cast<AliAODMCParticle*>(arrayMC->At(indDR));
1362 AliError("Daughter particle not found in MC array");
1366 Int_t pdgCodeDR=TMath::Abs(partDR->GetPdgCode());
1367 if(pdgCodeDR==211 || pdgCodeDR==321){
1368 pXdauTrue[theDau]=partDR->Px();
1369 pYdauTrue[theDau]=partDR->Py();
1370 pZdauTrue[theDau]=partDR->Pz();
1378 AliError("Wrong number of decay prongs");
1383 Double_t d0dummy[3]={0.,0.,0.};
1384 AliAODRecoDecayHF aodDplusMC(vtxTrue,origD,3,charge,pXdauTrue,pYdauTrue,pZdauTrue,d0dummy);
1385 return aodDplusMC.ImpParXY();