1 /**************************************************************************
2 * Copyright(c) 1998-2009, 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 /////////////////////////////////////////////////////////////
20 // AliAnalysisTaskSE for D0 candidates invariant mass histogram
21 // and comparison with the MC truth and cut variables distributions.
23 // Authors: A.Dainese, andrea.dainese@lnl.infn.it
24 // Chiara Bianchin, chiara.bianchin@pd.infn.it (invariant mass)
25 // Carmelo Di Giglio, carmelo.digiglio@ba.infn.it (like sign)
26 /////////////////////////////////////////////////////////////
28 #include <Riostream.h>
29 #include <TClonesArray.h>
36 #include <TDatabasePDG.h>
38 #include <AliAnalysisDataSlot.h>
39 #include <AliAnalysisDataContainer.h>
40 #include "AliAnalysisManager.h"
41 #include "AliESDtrack.h"
42 #include "AliVertexerTracks.h"
43 #include "AliAODHandler.h"
44 #include "AliAODEvent.h"
45 #include "AliAODVertex.h"
46 #include "AliAODTrack.h"
47 #include "AliAODMCHeader.h"
48 #include "AliAODMCParticle.h"
49 #include "AliAODRecoDecayHF2Prong.h"
50 #include "AliAODRecoCascadeHF.h"
51 #include "AliAnalysisVertexingHF.h"
52 #include "AliAnalysisTaskSE.h"
53 #include "AliAnalysisTaskSED0Mass.h"
54 #include "AliNormalizationCounter.h"
59 ClassImp(AliAnalysisTaskSED0Mass)
62 //________________________________________________________________________
63 AliAnalysisTaskSED0Mass::AliAnalysisTaskSED0Mass():
79 fIsSelectedCandidate(0),
82 fIsRejectSDDClusters(0),
84 fFillImpParHist(kFALSE),
85 fWriteVariableTree(kFALSE),
89 // Default constructor
90 for(Int_t ih=0; ih<5; ih++) fHistMassPtImpParTC[ih]=0x0;
94 //________________________________________________________________________
95 AliAnalysisTaskSED0Mass::AliAnalysisTaskSED0Mass(const char *name,AliRDHFCutsD0toKpi* cuts):
96 AliAnalysisTaskSE(name),
108 fLsNormalization(1.),
111 fIsSelectedCandidate(0),
112 fFillVarHists(kTRUE),
114 fIsRejectSDDClusters(0),
116 fFillImpParHist(kFALSE),
117 fWriteVariableTree(kFALSE),
119 fCandidateVariables()
121 // Default constructor
123 fNPtBins=cuts->GetNPtBins();
126 for(Int_t ih=0; ih<5; ih++) fHistMassPtImpParTC[ih]=0x0;
128 // Output slot #1 writes into a TList container (mass with cuts)
129 DefineOutput(1,TList::Class()); //My private output
130 // Output slot #2 writes into a TList container (distributions)
131 DefineOutput(2,TList::Class()); //My private output
132 // Output slot #3 writes into a TH1F container (number of events)
133 DefineOutput(3,TH1F::Class()); //My private output
134 // Output slot #4 writes into a TList container (cuts)
135 DefineOutput(4,AliRDHFCutsD0toKpi::Class()); //My private output
136 // Output slot #5 writes Normalization Counter
137 DefineOutput(5,AliNormalizationCounter::Class());
138 // Output slot #6 stores the mass vs pt and impact parameter distributions
139 DefineOutput(6,TList::Class()); //My private output
140 // Output slot #7 keeps a tree of the candidate variables after track selection
141 DefineOutput(7,TTree::Class()); //My private outpu
144 //________________________________________________________________________
145 AliAnalysisTaskSED0Mass::~AliAnalysisTaskSED0Mass()
152 delete fOutputMassPt;
163 for(Int_t i=0; i<5; i++){
164 if(fHistMassPtImpParTC[i]) delete fHistMassPtImpParTC[i];
175 delete fVariablesTree;
181 //________________________________________________________________________
182 void AliAnalysisTaskSED0Mass::Init()
186 if(fDebug > 1) printf("AnalysisTaskSED0Mass::Init() \n");
189 AliRDHFCutsD0toKpi* copyfCuts=new AliRDHFCutsD0toKpi(*fCuts);
190 const char* nameoutput=GetOutputSlot(4)->GetContainer()->GetName();
191 copyfCuts->SetName(nameoutput);
193 PostData(4,copyfCuts);
199 //________________________________________________________________________
200 void AliAnalysisTaskSED0Mass::UserCreateOutputObjects()
203 // Create the output container
205 if(fDebug > 1) printf("AnalysisTaskSED0Mass::UserCreateOutputObjects() \n");
207 // Several histograms are more conveniently managed in a TList
208 fOutputMass = new TList();
209 fOutputMass->SetOwner();
210 fOutputMass->SetName("listMass");
212 fOutputMassPt = new TList();
213 fOutputMassPt->SetOwner();
214 fOutputMassPt->SetName("listMassPt");
216 fDistr = new TList();
218 fDistr->SetName("distributionslist");
220 TString nameMass=" ",nameSgn27=" ",nameSgn=" ", nameBkg=" ", nameRfl=" ",nameMassNocutsS =" ",nameMassNocutsB =" ", namedistr=" ";
221 TString nameMassPt="", nameSgnPt="", nameBkgPt="", nameRflPt="";
222 Int_t nbins2dPt=60; Float_t binInPt=0., binFinPt=30.;
224 for(Int_t i=0;i<fCuts->GetNPtBins();i++){
226 nameMass="histMass_";
228 nameSgn27="histSgn27_";
236 nameMassNocutsS="hMassS_";
238 nameMassNocutsB="hMassB_";
241 //histograms of cut variable distributions
247 TH1F *hdcaS = new TH1F(namedistr.Data(), "DCA distribution;dca [cm]",200,0.,0.1);
251 TH1F *hd0piS = new TH1F(namedistr.Data(), "Impact parameter distribution (pions);d0(#pi) [cm]",200,-0.1,0.1);
255 TH1F *hd0KS = new TH1F(namedistr.Data(), "Impact parameter distribution (kaons);d0(K) [cm]",200,-0.1,0.1);
258 TH1F *hd0d0S = new TH1F(namedistr.Data(), "d_{0}#timesd_{0} distribution;d_{0}#timesd_{0} [cm^{2}]",200,-0.001,0.001);
263 TH1F *hdeclengthS = new TH1F(namedistr.Data(), "Decay Length^{2} distribution;Decay Length^{2} [cm]",200,0,0.015);
265 namedistr="hnormdeclS_";
267 TH1F *hnormdeclengthS = new TH1F(namedistr.Data(), "Normalized Decay Length^{2} distribution;(Decay Length/Err)^{2} ",200,0,12.);
269 namedistr="hdeclxyS_";
271 TH1F* hdeclxyS=new TH1F(namedistr.Data(),"Decay Length XY distribution;Decay Length XY [cm]",200,0,0.15);
272 namedistr="hnormdeclxyS_";
274 TH1F* hnormdeclxyS=new TH1F(namedistr.Data(),"Normalized decay Length XY distribution;Decay Length XY/Err",200,0,6.);
276 namedistr="hdeclxyd0d0S_";
278 TH2F* hdeclxyd0d0S=new TH2F(namedistr.Data(),"Correlation decay Length XY - d_{0}#times d_{0};Decay Length XY [cm];d_{0}#times d_{0}[cm^{2}]",200,0,0.15,200,-0.001,0.001);
280 namedistr="hnormdeclxyd0d0S_";
282 TH2F* hnormdeclxyd0d0S=new TH2F(namedistr.Data(),"Correlation normalized decay Length XY - d_{0}#times d_{0};Decay Length XY/Err;d_{0}#times d_{0}[cm^{2}]",200,0,6,200,-0.001,0.001);
285 namedistr="hcosthetapointS_";
287 TH1F *hcosthetapointS = new TH1F(namedistr.Data(), "cos#theta_{Point} distribution;cos#theta_{Point}",200,0,1.);
289 namedistr="hcosthetapointxyS_";
291 TH1F *hcosthetapointxyS = new TH1F(namedistr.Data(), "cos#theta_{Point} XYdistribution;cos#theta_{Point}",300,0.,1.);
293 TH1F* tmpMS = new TH1F(nameMassNocutsS.Data(),"D^{0} invariant mass; M [GeV]; Entries",300,1.5648,2.1648); //range (MD0-300MeV, mD0 + 300MeV)
304 fDistr->Add(hcosthetapointS);
306 fDistr->Add(hcosthetapointxyS);
308 fDistr->Add(hdeclengthS);
310 fDistr->Add(hnormdeclengthS);
312 fDistr->Add(hdeclxyS);
314 fDistr->Add(hnormdeclxyS);
316 fDistr->Add(hdeclxyd0d0S);
317 fDistr->Add(hnormdeclxyd0d0S);
325 TH1F *hdcaB = new TH1F(namedistr.Data(), "DCA distribution;dca [cm]",200,0.,0.1);
330 TH1F *hd0B = new TH1F(namedistr.Data(), "Impact parameter distribution (both);d0 [cm]",200,-0.1,0.1);
334 TH1F *hd0d0B = new TH1F(namedistr.Data(), "d_{0}#timesd_{0} distribution;d_{0}#timesd_{0} [cm^{2}]",200,-0.001,0.001);
339 TH1F *hdeclengthB = new TH1F(namedistr.Data(), "Decay Length^{2} distribution;Decay Length^{2} [cm^{2}]",200,0,0.015);
341 namedistr="hnormdeclB_";
343 TH1F *hnormdeclengthB = new TH1F(namedistr.Data(), "Normalized Decay Length distribution;(Decay Length/Err)^{2} ",200,0,12.);
345 namedistr="hdeclxyB_";
347 TH1F* hdeclxyB=new TH1F(namedistr.Data(),"Decay Length XY distribution;Decay Length XY [cm]",200,0,0.15);
348 namedistr="hnormdeclxyB_";
350 TH1F* hnormdeclxyB=new TH1F(namedistr.Data(),"Normalized decay Length XY distribution;Decay Length XY/Err",200,0,6.);
352 namedistr="hdeclxyd0d0B_";
354 TH2F* hdeclxyd0d0B=new TH2F(namedistr.Data(),"Correlation decay Length XY - d_{0}#times d_{0};Decay Length XY [cm];d_{0}#times d_{0}[cm^{2}]",200,0,0.15,200,-0.001,0.001);
356 namedistr="hnormdeclxyd0d0B_";
358 TH2F* hnormdeclxyd0d0B=new TH2F(namedistr.Data(),"Correlation normalized decay Length XY - d_{0}#times d_{0};Decay Length XY/Err;d_{0}#times d_{0}[cm^{2}]",200,0,6,200,-0.001,0.001);
361 namedistr="hcosthetapointB_";
363 TH1F *hcosthetapointB = new TH1F(namedistr.Data(), "cos#theta_{Point} distribution;cos#theta_{Point}",200,0,1.);
365 namedistr="hcosthetapointxyB_";
367 TH1F *hcosthetapointxyB = new TH1F(namedistr.Data(), "cos#theta_{Point} XY distribution;cos#theta_{Point} XY",300,0.,1.);
369 TH1F* tmpMB = new TH1F(nameMassNocutsB.Data(),"D^{0} invariant mass; M [GeV]; Entries",300,1.5648,2.1648); //range (MD0-300MeV, mD0 + 300MeV)
380 fDistr->Add(hcosthetapointB);
382 fDistr->Add(hcosthetapointxyB);
384 fDistr->Add(hdeclengthB);
386 fDistr->Add(hnormdeclengthB);
388 fDistr->Add(hdeclxyB);
390 fDistr->Add(hnormdeclxyB);
392 fDistr->Add(hdeclxyd0d0B);
393 fDistr->Add(hnormdeclxyd0d0B);
397 //histograms filled only when the secondary vertex is recalculated w/o the daughter tracks (as requested in the cut object)
399 if(fCuts->GetIsPrimaryWithoutDaughters()){
401 namedistr="hd0vpiS_";
403 TH1F *hd0vpiS = new TH1F(namedistr.Data(), "Impact parameter distribution (pions)(vtx w/o these tracks);d0(#pi) [cm]",200,-0.1,0.1);
407 TH1F *hd0vKS = new TH1F(namedistr.Data(), "Impact parameter distribution (kaons) (vtx w/o these tracks);d0(K) [cm]",200,-0.1,0.1);
409 namedistr="hd0d0vS_";
411 TH1F *hd0d0vS = new TH1F(namedistr.Data(), "d_{0}#timesd_{0} distribution (vtx w/o these tracks);d_{0}#timesd_{0} [cm^{2}]",200,-0.001,0.001);
413 namedistr="hdeclvS_";
415 TH1F *hdeclengthvS = new TH1F(namedistr.Data(), "Decay Length distribution (vtx w/o tracks);Decay Length [cm]",200,0,0.6);
417 namedistr="hnormdeclvS_";
419 TH1F *hnormdeclengthvS = new TH1F(namedistr.Data(), "Normalized Decay Length distribution (vtx w/o tracks);Decay Length/Err ",200,0,10.);
421 fDistr->Add(hd0vpiS);
423 fDistr->Add(hd0d0vS);
424 fDistr->Add(hdeclengthvS);
425 fDistr->Add(hnormdeclengthvS);
429 namedistr="hd0vmoresB_";
431 TH1F *hd0vmoresB = new TH1F(namedistr.Data(), "Impact parameter distribution (both);d0 [cm]",200,-0.1,0.1);
433 namedistr="hd0d0vmoresB_";
435 TH1F *hd0d0vmoresB = new TH1F(namedistr.Data(), "Impact parameter distribution (prong +);d0 [cm]",200,-0.001,0.001);
440 TH1F *hd0vB = new TH1F(namedistr.Data(), "Impact parameter distribution (vtx w/o these tracks);d0 [cm]",200,-0.1,0.1);
442 namedistr="hd0vp0B_";
444 TH1F *hd0vp0B = new TH1F(namedistr.Data(), "Impact parameter distribution (prong + ** vtx w/o these tracks);d0 [cm]",200,-0.1,0.1);
446 namedistr="hd0vp1B_";
448 TH1F *hd0vp1B = new TH1F(namedistr.Data(), "Impact parameter distribution (prong - ** vtx w/o these tracks);d0 [cm]",200,-0.1,0.1);
450 namedistr="hd0d0vB_";
452 TH1F *hd0d0vB = new TH1F(namedistr.Data(), "d_{0}#timesd_{0} distribution (vtx w/o these tracks);d_{0}#timesd_{0} [cm^{2}]",200,-0.001,0.001);
454 namedistr="hdeclvB_";
456 TH1F *hdeclengthvB = new TH1F(namedistr.Data(), "Decay Length distribution (vtx w/o tracks);Decay Length [cm]",200,0,0.6);
458 namedistr="hnormdeclvB_";
460 TH1F *hnormdeclengthvB = new TH1F(namedistr.Data(), "Normalized Decay Length distribution (vtx w/o tracks);Decay Length/Err ",200,0,10.);
463 fDistr->Add(hd0vp0B);
464 fDistr->Add(hd0vp1B);
465 fDistr->Add(hd0vmoresB);
467 fDistr->Add(hd0d0vB);
468 fDistr->Add(hd0d0vmoresB);
470 fDistr->Add(hdeclengthvB);
472 fDistr->Add(hnormdeclengthvB);
477 //histograms of invariant mass distributions
482 TH1F* tmpSt = new TH1F(nameSgn.Data(), "D^{0} invariant mass - MC; M [GeV]; Entries",200,1.5648,2.1648);
484 TH1F *tmpSl=(TH1F*)tmpSt->Clone();
488 //Reflection: histo filled with D0Mass which pass the cut (also) as D0bar and with D0bar which pass (also) the cut as D0
489 TH1F* tmpRt = new TH1F(nameRfl.Data(), "Reflected signal invariant mass - MC; M [GeV]; Entries",200,1.5648,2.1648);
490 //TH1F *tmpRl=(TH1F*)tmpRt->Clone();
491 TH1F* tmpBt = new TH1F(nameBkg.Data(), "Background invariant mass - MC; M [GeV]; Entries",200,1.5648,2.1648);
492 //TH1F *tmpBl=(TH1F*)tmpBt->Clone();
498 fOutputMass->Add(tmpSt);
499 fOutputMass->Add(tmpRt);
500 fOutputMass->Add(tmpBt);
505 TH1F* tmpMt = new TH1F(nameMass.Data(),"D^{0} invariant mass; M [GeV]; Entries",200,1.5648,2.1648);
506 //TH1F *tmpMl=(TH1F*)tmpMt->Clone();
509 //distribution w/o cuts large range
510 // TH1F* tmpMS = new TH1F(nameMassNocutsS.Data(),"D^{0} invariant mass; M [GeV]; Entries",300,0.7,3.);
512 fOutputMass->Add(tmpMt);
514 if(fSys==0){ //histograms filled only in pp to save time in PbPb
521 TH1F *hptpiS = new TH1F(namedistr.Data(), "P_{T} distribution (pions);p_{T} [GeV/c]",200,0.,8.);
525 TH1F *hptKS = new TH1F(namedistr.Data(), "P_{T} distribution (kaons);p_{T} [GeV/c]",200,0.,8.);
528 namedistr="hcosthetastarS_";
530 TH1F *hcosthetastarS = new TH1F(namedistr.Data(), "cos#theta* distribution;cos#theta*",200,-1.,1.);
534 namedistr="hptpiSnoMcut_";
536 TH1F *hptpiSnoMcut = new TH1F(namedistr.Data(), "P_{T} distribution (pions);p_{T} [GeV/c]",200,0.,8.);
538 namedistr="hptKSnoMcut_";
540 TH1F *hptKSnoMcut = new TH1F(namedistr.Data(), "P_{T} distribution (kaons);p_{T} [GeV/c]",200,0.,8.);
544 fDistr->Add(hcosthetastarS);
546 fDistr->Add(hptpiSnoMcut);
547 fDistr->Add(hptKSnoMcut);
549 // costhetapoint vs d0 or d0d0
550 namedistr="hcosthpointd0S_";
552 TH2F *hcosthpointd0S= new TH2F(namedistr.Data(),"Correlation cos#theta_{Point}-d_{0};cos#theta_{Point};d_{0} [cm^{2}]",200,0,1.,200,-0.001,0.001);
553 namedistr="hcosthpointd0d0S_";
555 TH2F *hcosthpointd0d0S= new TH2F(namedistr.Data(),"Correlation cos#theta_{Point}-d_{0}#timesd_{0};cos#theta_{Point};d_{0}#timesd_{0} [cm^{2}]",200,0,1.,200,-0.001,0.001);
557 fDistr->Add(hcosthpointd0S);
558 fDistr->Add(hcosthpointd0d0S);
560 //to compare with AliAnalysisTaskCharmFraction
561 TH1F* tmpS27t = new TH1F(nameSgn27.Data(),"D^{0} invariant mass in M(D^{0}) +/- 27 MeV - MC; M [GeV]; Entries",200,1.5648,2.1648);
562 TH1F *tmpS27l=(TH1F*)tmpS27t->Clone();
566 fOutputMass->Add(tmpS27t);
567 fOutputMass->Add(tmpS27l);
574 TH1F *hptB = new TH1F(namedistr.Data(), "P_{T} distribution;p_{T} [GeV/c]",200,0.,8.);
577 namedistr="hcosthetastarB_";
579 TH1F *hcosthetastarB = new TH1F(namedistr.Data(), "cos#theta* distribution;cos#theta*",200,-1.,1.);
582 namedistr="hptB1prongnoMcut_";
584 TH1F *hptB1pnoMcut = new TH1F(namedistr.Data(), "P_{T} distribution;p_{T} [GeV/c]",200,0.,8.);
586 namedistr="hptB2prongsnoMcut_";
588 TH1F *hptB2pnoMcut = new TH1F(namedistr.Data(), "P_{T} distribution;p_{T} [GeV/c]",200,0.,8.);
591 fDistr->Add(hcosthetastarB);
593 fDistr->Add(hptB1pnoMcut);
594 fDistr->Add(hptB2pnoMcut);
596 //impact parameter of negative/positive track
599 TH1F *hd0p0B = new TH1F(namedistr.Data(), "Impact parameter distribution (prong +);d0 [cm]",200,-0.1,0.1);
603 TH1F *hd0p1B = new TH1F(namedistr.Data(), "Impact parameter distribution (prong -);d0 [cm]",200,-0.1,0.1);
605 //impact parameter corrected for strangeness
606 namedistr="hd0moresB_";
608 TH1F *hd0moresB = new TH1F(namedistr.Data(), "Impact parameter distribution (both);d0 [cm]",200,-0.1,0.1);
610 namedistr="hd0d0moresB_";
612 TH1F *hd0d0moresB = new TH1F(namedistr.Data(), "Impact parameter distribution (prong +);d0 [cm]",200,-0.001,0.001);
615 namedistr="hcosthetapointmoresB_";
617 TH1F *hcosthetapointmoresB = new TH1F(namedistr.Data(), "cos#theta_{Point} distribution;cos#theta_{Point}",200,0,1.);
619 // costhetapoint vs d0 or d0d0
620 namedistr="hcosthpointd0B_";
622 TH2F *hcosthpointd0B= new TH2F(namedistr.Data(),"Correlation cos#theta_{Point}-d_{0};cos#theta_{Point};d_{0} [cm^{2}]",200,0,1.,200,-0.001,0.001);
624 namedistr="hcosthpointd0d0B_";
626 TH2F *hcosthpointd0d0B= new TH2F(namedistr.Data(),"Correlation cos#theta_{Point}-d_{0}#timesd_{0};cos#theta_{Point};d_{0}#timesd_{0} [cm^{2}]",200,0,1.,200,-0.001,0.001);
631 fDistr->Add(hd0moresB);
632 fDistr->Add(hd0d0moresB);
633 fDistr->Add(hcosthetapointmoresB);
636 fDistr->Add(hcosthpointd0B);
639 fDistr->Add(hcosthpointd0d0B);
646 //for Like sign analysis
649 namedistr="hpospair";
650 TH1F* hpospair=new TH1F(namedistr.Data(),"Number of positive pairs",fCuts->GetNPtBins(),-0.5,fCuts->GetNPtBins()-0.5);
651 namedistr="hnegpair";
652 TH1F* hnegpair=new TH1F(namedistr.Data(),"Number of negative pairs",fCuts->GetNPtBins(),-0.5,fCuts->GetNPtBins()-0.5);
653 fOutputMass->Add(hpospair);
654 fOutputMass->Add(hnegpair);
658 // 2D Pt distributions and impact parameter histograms
661 nameMassPt="histMassPt";
662 nameSgnPt="histSgnPt";
663 nameBkgPt="histBkgPt";
664 nameRflPt="histRflPt";
668 TH2F* tmpStPt = new TH2F(nameSgnPt.Data(), "D^{0} invariant mass - MC; M [GeV]; Entries; Pt[GeV/c]",200,1.5648,2.16484,nbins2dPt,binInPt,binFinPt);
669 TH2F *tmpSlPt=(TH2F*)tmpStPt->Clone();
673 //Reflection: histo filled with D0MassV1 which pass the cut (also) as D0bar and with D0bar which pass (also) the cut as D0
674 TH2F* tmpRtPt = new TH2F(nameRflPt.Data(), "Reflected signal invariant mass - MC; M [GeV]; Entries; Pt[GeV/c]",200,1.5648,2.1648,nbins2dPt,binInPt,binFinPt);
675 TH2F* tmpBtPt = new TH2F(nameBkgPt.Data(), "Background invariant mass - MC; M [GeV]; Entries; Pt[GeV/c]",200,1.5648,2.1648,nbins2dPt,binInPt,binFinPt);
679 fOutputMassPt->Add(tmpStPt);
680 fOutputMassPt->Add(tmpRtPt);
681 fOutputMassPt->Add(tmpBtPt);
683 // cout<<endl<<endl<<"***************************************"<<endl;
684 // cout << " created and added to the list "<< nameSgnPt.Data() <<" "<< tmpStPt <<
685 // ", "<<nameRflPt.Data() <<" " << tmpRtPt<<", "<<nameBkgPt.Data()<< " " << tmpBtPt <<endl;
686 // cout<<"***************************************"<<endl<<endl;
689 TH2F* tmpMtPt = new TH2F(nameMassPt.Data(),"D^{0} invariant mass; M [GeV]; Entries; Pt[GeV/c]",200,1.5648,2.1648,nbins2dPt,binInPt,binFinPt);
692 fOutputMassPt->Add(tmpMtPt);
695 if(fFillImpParHist) CreateImpactParameterHistos();
697 const char* nameoutput=GetOutputSlot(3)->GetContainer()->GetName();
699 fNentries=new TH1F(nameoutput, "Integral(1,2) = number of AODs *** Integral(2,3) = number of candidates selected with cuts *** Integral(3,4) = number of D0 selected with cuts *** Integral(4,5) = events with good vertex *** Integral(5,6) = pt out of bounds", 18,-0.5,17.5);
701 fNentries->GetXaxis()->SetBinLabel(1,"nEventsAnal");
702 fNentries->GetXaxis()->SetBinLabel(2,"nCandSel(Cuts)");
703 if(fReadMC) fNentries->GetXaxis()->SetBinLabel(3,"nD0Selected");
704 else fNentries->GetXaxis()->SetBinLabel(3,"Dstar<-D0");
705 fNentries->GetXaxis()->SetBinLabel(4,"nEventsGoodVtxS");
706 fNentries->GetXaxis()->SetBinLabel(5,"ptbin = -1");
707 fNentries->GetXaxis()->SetBinLabel(6,"no daughter");
708 if(fSys==0) fNentries->GetXaxis()->SetBinLabel(7,"nCandSel(Tr)");
710 fNentries->GetXaxis()->SetBinLabel(8,"PID=0");
711 fNentries->GetXaxis()->SetBinLabel(9,"PID=1");
712 fNentries->GetXaxis()->SetBinLabel(10,"PID=2");
713 fNentries->GetXaxis()->SetBinLabel(11,"PID=3");
715 if(fReadMC && fSys==0){
716 fNentries->GetXaxis()->SetBinLabel(12,"K");
717 fNentries->GetXaxis()->SetBinLabel(13,"Lambda");
719 fNentries->GetXaxis()->SetBinLabel(14,"Pile-up Rej");
720 fNentries->GetXaxis()->SetBinLabel(15,"N. of 0SMH");
721 if(fSys==1) fNentries->GetXaxis()->SetBinLabel(16,"Nev in centr");
722 if(fIsRejectSDDClusters) fNentries->GetXaxis()->SetBinLabel(17,"SDD-Cls Rej");
723 fNentries->GetXaxis()->SetBinLabel(18,"Phys.Sel.Rej");
724 fNentries->GetXaxis()->SetNdivisions(1,kFALSE);
726 fCounter = new AliNormalizationCounter(Form("%s",GetOutputSlot(5)->GetContainer()->GetName()));
730 // Output slot 7 : tree of the candidate variables after track selection
732 nameoutput = GetOutputSlot(7)->GetContainer()->GetName();
733 fVariablesTree = new TTree(nameoutput,"Candidates variables tree");
735 fCandidateVariables = new Double_t [nVar];
736 TString * fCandidateVariableNames = new TString[nVar];
737 fCandidateVariableNames[0]="massD0"; fCandidateVariableNames[1]="massD0bar"; fCandidateVariableNames[2]="pt";
738 fCandidateVariableNames[3]="dca"; fCandidateVariableNames[4]="costhsD0"; fCandidateVariableNames[5]="costhsD0bar";
739 fCandidateVariableNames[6]="ptk"; fCandidateVariableNames[7]="ptpi";
740 fCandidateVariableNames[8]="d0k"; fCandidateVariableNames[9]="d0pi"; fCandidateVariableNames[10]="d0xd0";
741 fCandidateVariableNames[11]="costhp"; fCandidateVariableNames[12]="costhpxy";
742 fCandidateVariableNames[13]="lxy"; fCandidateVariableNames[14]="specialcuts";
743 for(Int_t ivar=0; ivar<nVar; ivar++){
744 fVariablesTree->Branch(fCandidateVariableNames[ivar].Data(),&fCandidateVariables[ivar],Form("%s/d",fCandidateVariableNames[ivar].Data()));
748 PostData(1,fOutputMass);
750 PostData(3,fNentries);
751 PostData(5,fCounter);
752 PostData(6,fOutputMassPt);
753 PostData(7,fVariablesTree);
758 //________________________________________________________________________
759 void AliAnalysisTaskSED0Mass::UserExec(Option_t */*option*/)
761 // Execute analysis for current event:
762 // heavy flavor candidates association to MC truth
763 //cout<<"I'm in UserExec"<<endl;
767 // printf(" |M-MD0| [GeV] < %f\n",fD0toKpiCuts[0]);
768 // printf(" dca [cm] < %f\n",fD0toKpiCuts[1]);
769 // printf(" cosThetaStar < %f\n",fD0toKpiCuts[2]);
770 // printf(" pTK [GeV/c] > %f\n",fD0toKpiCuts[3]);
771 // printf(" pTpi [GeV/c] > %f\n",fD0toKpiCuts[4]);
772 // printf(" |d0K| [cm] < %f\n",fD0toKpiCuts[5]);
773 // printf(" |d0pi| [cm] < %f\n",fD0toKpiCuts[6]);
774 // printf(" d0d0 [cm^2] < %f\n",fD0toKpiCuts[7]);
775 // printf(" cosThetaPoint > %f\n",fD0toKpiCuts[8]);
778 AliAODEvent *aod = dynamic_cast<AliAODEvent*> (InputEvent());
781 if(fArray==0){ //D0 candidates
782 // load D0->Kpi candidates
783 //cout<<"D0 candidates"<<endl;
785 } else { //LikeSign candidates
786 // load like sign candidates
787 //cout<<"LS candidates"<<endl;
788 bname="LikeSign2Prong";
791 TClonesArray *inputArray=0;
793 if(!aod && AODEvent() && IsStandardAOD()) {
794 // In case there is an AOD handler writing a standard AOD, use the AOD
795 // event in memory rather than the input (ESD) event.
796 aod = dynamic_cast<AliAODEvent*> (AODEvent());
797 // in this case the braches in the deltaAOD (AliAOD.VertexingHF.root)
798 // have to taken from the AOD event hold by the AliAODExtension
799 AliAODHandler* aodHandler = (AliAODHandler*)
800 ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
802 if(aodHandler->GetExtensions()) {
803 AliAODExtension *ext = (AliAODExtension*)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root");
804 AliAODEvent* aodFromExt = ext->GetAOD();
805 inputArray=(TClonesArray*)aodFromExt->GetList()->FindObject(bname.Data());
808 inputArray=(TClonesArray*)aod->GetList()->FindObject(bname.Data());
812 if(!inputArray || !aod) {
813 printf("AliAnalysisTaskSED0Mass::UserExec: input branch not found!\n");
817 // fix for temporary bug in ESDfilter
818 // the AODs with null vertex pointer didn't pass the PhysSel
819 if(!aod->GetPrimaryVertex() || TMath::Abs(aod->GetMagneticField())<0.001) return;
822 TClonesArray *mcArray = 0;
823 AliAODMCHeader *mcHeader = 0;
827 mcArray = (TClonesArray*)aod->GetList()->FindObject(AliAODMCParticle::StdBranchName());
829 printf("AliAnalysisTaskSED0Mass::UserExec: MC particles branch not found!\n");
834 mcHeader = (AliAODMCHeader*)aod->GetList()->FindObject(AliAODMCHeader::StdBranchName());
836 printf("AliAnalysisTaskSED0Mass::UserExec: MC header branch not found!\n");
841 //printf("VERTEX Z %f %f\n",vtx1->GetZ(),mcHeader->GetVtxZ());
843 //histogram filled with 1 for every AOD
845 fCounter->StoreEvent(aod,fCuts,fReadMC);
846 //fCounter->StoreEvent(aod,fReadMC);
848 // trigger class for PbPb C0SMH-B-NOPF-ALLNOTRD, C0SMH-B-NOPF-ALL
849 TString trigclass=aod->GetFiredTriggerClasses();
850 if(trigclass.Contains("C0SMH-B-NOPF-ALLNOTRD") || trigclass.Contains("C0SMH-B-NOPF-ALL")) fNentries->Fill(14);
852 if(!fCuts->IsEventSelected(aod)) {
853 if(fCuts->GetWhyRejection()==1) // rejected for pileup
855 if(fSys==1 && (fCuts->GetWhyRejection()==2 || fCuts->GetWhyRejection()==3)) fNentries->Fill(15);
856 if(fCuts->GetWhyRejection()==7) fNentries->Fill(17);
860 // Check the Nb of SDD clusters
861 if (fIsRejectSDDClusters) {
862 Bool_t skipEvent = kFALSE;
864 if (aod) ntracks = aod->GetNTracks();
865 for(Int_t itrack=0; itrack<ntracks; itrack++) { // loop on tacks
867 AliAODTrack * track = aod->GetTrack(itrack);
868 if(TESTBIT(track->GetITSClusterMap(),2) || TESTBIT(track->GetITSClusterMap(),3) ){
874 if (skipEvent) return;
877 // AOD primary vertex
878 AliAODVertex *vtx1 = (AliAODVertex*)aod->GetPrimaryVertex();
880 Bool_t isGoodVtx=kFALSE;
883 TString primTitle = vtx1->GetTitle();
884 if(primTitle.Contains("VertexerTracks") && vtx1->GetNContributors()>0) {
889 // loop over candidates
890 Int_t nInD0toKpi = inputArray->GetEntriesFast();
891 if(fDebug>2) printf("Number of D0->Kpi: %d\n",nInD0toKpi);
893 // FILE *f=fopen("4display.txt","a");
894 // fprintf(f,"Number of D0->Kpi: %d\n",nInD0toKpi);
895 Int_t nSelectedloose=0,nSelectedtight=0;
896 for (Int_t iD0toKpi = 0; iD0toKpi < nInD0toKpi; iD0toKpi++) {
897 AliAODRecoDecayHF2Prong *d = (AliAODRecoDecayHF2Prong*)inputArray->UncheckedAt(iD0toKpi);
899 if(d->GetSelectionMap()) if(!d->HasSelectionBit(AliRDHFCuts::kD0toKpiCuts)){
901 continue; //skip the D0 from Dstar
904 // Bool_t unsetvtx=kFALSE;
905 // if(!d->GetOwnPrimaryVtx()) {
906 // d->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
911 if ( fCuts->IsInFiducialAcceptance(d->Pt(),d->Y(421)) ) {
915 if(fCuts->IsSelected(d,AliRDHFCuts::kTracks,aod))fNentries->Fill(6);
917 Int_t ptbin=fCuts->PtBin(d->Pt());
918 if(ptbin==-1) {fNentries->Fill(4); continue;} //out of bounds
919 fIsSelectedCandidate=fCuts->IsSelected(d,AliRDHFCuts::kAll,aod); //selected
921 //if(!fCutOnDistr || (fCutOnDistr && fIsSelectedCandidate)) {
922 fDaughterTracks.AddAt((AliAODTrack*)d->GetDaughter(0),0);
923 fDaughterTracks.AddAt((AliAODTrack*)d->GetDaughter(1),1);
925 if(!fDaughterTracks.UncheckedAt(0) || !fDaughterTracks.UncheckedAt(1)) {
926 AliDebug(1,"at least one daughter not found!");
928 fDaughterTracks.Clear();
932 FillVarHists(aod,d,mcArray,fCuts,fDistr);
935 FillMassHists(d,mcArray,mcHeader,fCuts,fOutputMass);
938 fDaughterTracks.Clear();
939 //if(unsetvtx) d->UnsetOwnPrimaryVtx();
941 fCounter->StoreCandidates(aod,nSelectedloose,kTRUE);
942 fCounter->StoreCandidates(aod,nSelectedtight,kFALSE);
944 PostData(1,fOutputMass);
946 PostData(3,fNentries);
947 PostData(5,fCounter);
948 PostData(6,fOutputMassPt);
949 PostData(7,fVariablesTree);
954 //____________________________________________________________________________
955 void AliAnalysisTaskSED0Mass::FillVarHists(AliAODEvent* aod,AliAODRecoDecayHF2Prong *part, TClonesArray *arrMC, AliRDHFCutsD0toKpi *cuts, TList *listout){
957 // function used in UserExec to fill variable histograms:
961 Int_t pdgDgD0toKpi[2]={321,211};
963 if(fReadMC) lab=part->MatchToMC(421,arrMC,2,pdgDgD0toKpi); //return MC particle label if the array corresponds to a D0, -1 if not (cf. AliAODRecoDecay.cxx)
964 //Double_t pt = d->Pt(); //mother pt
965 Int_t isSelectedPID=3;
966 if(!fReadMC || (fReadMC && fUsePid4Distr)) isSelectedPID=cuts->IsSelectedPID(part); //0 rejected,1 D0,2 Dobar, 3 both
967 if (isSelectedPID==0)fNentries->Fill(7);
968 if (isSelectedPID==1)fNentries->Fill(8);
969 if (isSelectedPID==2)fNentries->Fill(9);
970 if (isSelectedPID==3)fNentries->Fill(10);
971 //fNentries->Fill(8+isSelectedPID);
973 if(fCutOnDistr && !fIsSelectedCandidate) return;
974 //printf("\nif no cuts or cuts passed\n");
980 Double_t mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
983 Double_t minvD0 = part->InvMassD0();
986 Double_t minvD0bar = part->InvMassD0bar();
987 //cout<<"inside mass cut"<<endl;
989 Double_t invmasscut=0.03;
991 TString fillthispi="",fillthisK="",fillthis="", fillthispt="";
993 Int_t ptbin=cuts->PtBin(part->Pt());
994 Double_t pt = part->Pt();
996 Double_t dz1[2],dz2[2],covar1[3],covar2[3];//,d0xd0proper,errd0xd0proper;
997 dz1[0]=-99; dz2[0]=-99;
999 Double_t decl[2]={-99,-99};
1000 Bool_t recalcvtx=kFALSE;
1004 if(fCuts->GetIsPrimaryWithoutDaughters()){
1006 //recalculate vertex
1007 AliAODVertex *vtxProp=0x0;
1008 vtxProp=GetPrimaryVtxSkipped(aod);
1010 part->SetOwnPrimaryVtx(vtxProp);
1011 //Bool_t unsetvtx=kTRUE;
1012 //Calculate d0 for daughter tracks with Vtx Skipped
1013 AliESDtrack *esdtrack1=new AliESDtrack((AliVTrack*)fDaughterTracks.UncheckedAt(0));
1014 AliESDtrack *esdtrack2=new AliESDtrack((AliVTrack*)fDaughterTracks.UncheckedAt(1));
1015 esdtrack1->PropagateToDCA(vtxProp,aod->GetMagneticField(),1.,dz1,covar1);
1016 esdtrack2->PropagateToDCA(vtxProp,aod->GetMagneticField(),1.,dz2,covar2);
1017 delete vtxProp; vtxProp=NULL;
1025 decl[0]=part->DecayLength2();
1026 decl[1]=part->NormalizedDecayLength2();
1027 part->UnsetOwnPrimaryVtx();
1031 Double_t cosThetaStarD0 = 99;
1032 Double_t cosThetaStarD0bar = 99;
1033 Double_t cosPointingAngle = 99;
1034 Double_t normalizedDecayLength2 = -1, normalizedDecayLengthxy=-1;
1035 Double_t decayLength2 = -1, decayLengthxy=-1;
1036 Double_t ptProng[2]={-99,-99};
1037 Double_t d0Prong[2]={-99,-99};
1041 if(!fUsePid4Distr) isSelectedPID=0;
1042 if((lab>=0 && fReadMC) || (!fReadMC && isSelectedPID)){ //signal (from MC or PID)
1044 //check pdg of the prongs
1045 AliAODTrack *prong0=(AliAODTrack*)fDaughterTracks.UncheckedAt(0);
1046 AliAODTrack *prong1=(AliAODTrack*)fDaughterTracks.UncheckedAt(1);
1048 if(!prong0 || !prong1) {
1053 labprong[0]=prong0->GetLabel();
1054 labprong[1]=prong1->GetLabel();
1056 AliAODMCParticle *mcprong=0;
1057 Int_t pdgProng[2]={0,0};
1059 for (Int_t iprong=0;iprong<2;iprong++){
1060 if(fReadMC && labprong[iprong]>=0) {
1061 mcprong= (AliAODMCParticle*)arrMC->At(labprong[iprong]);
1062 pdgProng[iprong]=mcprong->GetPdgCode();
1067 //no mass cut ditributions: ptbis
1069 fillthispi="hptpiSnoMcut_";
1072 fillthisK="hptKSnoMcut_";
1075 if ((TMath::Abs(pdgProng[0]) == 211 && TMath::Abs(pdgProng[1]) == 321)
1076 || (isSelectedPID==1 || isSelectedPID==3)){
1077 ((TH1F*)listout->FindObject(fillthispi))->Fill(prong0->Pt());
1078 ((TH1F*)listout->FindObject(fillthisK))->Fill(prong1->Pt());
1081 if ((TMath::Abs(pdgProng[0]) == 321 && TMath::Abs(pdgProng[1]) == 211)
1082 || (isSelectedPID==2 || isSelectedPID==3)){
1083 ((TH1F*)listout->FindObject(fillthisK))->Fill(prong0->Pt());
1084 ((TH1F*)listout->FindObject(fillthispi))->Fill(prong1->Pt());
1088 //no mass cut ditributions: mass
1091 fillthispt="histSgnPt";
1093 if ((fReadMC && ((AliAODMCParticle*)arrMC->At(lab))->GetPdgCode() == 421)
1094 || (!fReadMC && (isSelectedPID==1 || isSelectedPID==3))){//D0
1095 ((TH1F*)listout->FindObject(fillthis))->Fill(minvD0);
1096 if(fFillPtHist && fReadMC) ((TH2F*)fOutputMassPt->FindObject(fillthispt))->Fill(minvD0,pt);
1099 if(fReadMC || (!fReadMC && isSelectedPID > 1)){
1100 ((TH1F*)listout->FindObject(fillthis))->Fill(minvD0bar);
1101 if(fFillPtHist && fReadMC) ((TH2F*)fOutputMassPt->FindObject(fillthispt))->Fill(minvD0bar,pt);
1105 //apply cut on invariant mass on the pair
1106 if(TMath::Abs(minvD0-mPDG)<invmasscut || TMath::Abs(minvD0bar-mPDG)<invmasscut){
1108 cosThetaStarD0 = part->CosThetaStarD0();
1109 cosThetaStarD0bar = part->CosThetaStarD0bar();
1110 cosPointingAngle = part->CosPointingAngle();
1111 normalizedDecayLength2 = part->NormalizedDecayLength2();
1112 decayLength2 = part->DecayLength2();
1113 decayLengthxy = part->DecayLengthXY();
1114 normalizedDecayLengthxy=decayLengthxy/part->DecayLengthXYError();
1116 ptProng[0]=prong0->Pt(); ptProng[1]=prong1->Pt();
1117 d0Prong[0]=part->Getd0Prong(0); d0Prong[1]=part->Getd0Prong(1);
1119 if(fArray==1) cout<<"LS signal: ERROR"<<endl;
1120 for (Int_t iprong=0; iprong<2; iprong++){
1121 AliAODTrack *prong=(AliAODTrack*)fDaughterTracks.UncheckedAt(iprong);
1122 if (fReadMC) labprong[iprong]=prong->GetLabel();
1124 //cout<<"prong name = "<<prong->GetName()<<" label = "<<prong->GetLabel()<<endl;
1126 if(fReadMC && labprong[iprong]>=0) {
1127 mcprong= (AliAODMCParticle*)arrMC->At(labprong[iprong]);
1128 pdgprong=mcprong->GetPdgCode();
1131 Bool_t isPionHere[2]={(isSelectedPID==1 || isSelectedPID==3) ? kTRUE : kFALSE,(isSelectedPID==2 || isSelectedPID==3) ? kTRUE : kFALSE};
1133 if(TMath::Abs(pdgprong)==211 || isPionHere[iprong]) {
1137 fillthispi="hptpiS_";
1139 ((TH1F*)listout->FindObject(fillthispi))->Fill(ptProng[iprong]);
1141 fillthispi="hd0piS_";
1143 ((TH1F*)listout->FindObject(fillthispi))->Fill(d0Prong[iprong]);
1146 fillthispi="hd0vpiS_";
1148 ((TH1F*)listout->FindObject(fillthispi))->Fill(d0[iprong]);
1153 if(TMath::Abs(pdgprong)==321 || !isPionHere[iprong]) {
1154 //cout<<"kappa"<<endl;
1158 ((TH1F*)listout->FindObject(fillthisK))->Fill(ptProng[iprong]);
1162 ((TH1F*)listout->FindObject(fillthisK))->Fill(d0Prong[iprong]);
1164 fillthisK="hd0vKS_";
1166 ((TH1F*)listout->FindObject(fillthisK))->Fill(d0[iprong]);
1171 fillthis="hcosthpointd0S_";
1173 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,d0Prong[iprong]);
1175 } //end loop on prongs
1179 ((TH1F*)listout->FindObject(fillthis))->Fill(part->GetDCA());
1181 fillthis="hcosthetapointS_";
1183 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle);
1185 fillthis="hcosthetapointxyS_";
1187 ((TH1F*)listout->FindObject(fillthis))->Fill(part->CosPointingAngleXY());
1192 ((TH1F*)listout->FindObject(fillthis))->Fill(part->Prodd0d0());
1196 ((TH1F*)listout->FindObject(fillthis))->Fill(decayLength2);
1198 fillthis="hnormdeclS_";
1200 ((TH1F*)listout->FindObject(fillthis))->Fill(normalizedDecayLength2);
1202 fillthis="hdeclxyS_";
1204 ((TH1F*)listout->FindObject(fillthis))->Fill(decayLengthxy);
1206 fillthis="hnormdeclxyS_";
1208 ((TH1F*)listout->FindObject(fillthis))->Fill(normalizedDecayLengthxy);
1210 fillthis="hdeclxyd0d0S_";
1212 ((TH2F*)listout->FindObject(fillthis))->Fill(decayLengthxy,d0Prong[0]*d0Prong[1]);
1214 fillthis="hnormdeclxyd0d0S_";
1216 ((TH2F*)listout->FindObject(fillthis))->Fill(normalizedDecayLengthxy,d0Prong[0]*d0Prong[1]);
1219 fillthis="hdeclvS_";
1221 ((TH1F*)listout->FindObject(fillthis))->Fill(decl[0]);
1223 fillthis="hnormdeclvS_";
1225 ((TH1F*)listout->FindObject(fillthis))->Fill(decl[1]);
1227 fillthis="hd0d0vS_";
1229 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[0]*d0[1]);
1233 fillthis="hcosthetastarS_";
1235 if ((fReadMC && ((AliAODMCParticle*)arrMC->At(lab))->GetPdgCode() == 421)) ((TH1F*)listout->FindObject(fillthis))->Fill(cosThetaStarD0);
1237 if (fReadMC || isSelectedPID>1)((TH1F*)listout->FindObject(fillthis))->Fill(cosThetaStarD0bar);
1238 if(isSelectedPID==1 || isSelectedPID==3)((TH1F*)listout->FindObject(fillthis))->Fill(cosThetaStarD0);
1241 fillthis="hcosthpointd0d0S_";
1243 ((TH2F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,part->Prodd0d0());
1248 } else{ //Background or LS
1250 //cout<<"is background"<<endl;
1252 //no mass cut distributions: mass, ptbis
1255 fillthispt="histBkgPt";
1257 if (!fCutOnDistr || (fCutOnDistr && (fIsSelectedCandidate==1 || fIsSelectedCandidate==3))) {
1258 ((TH1F*)listout->FindObject(fillthis))->Fill(minvD0);
1259 if(fFillPtHist && fReadMC) ((TH2F*)fOutputMassPt->FindObject(fillthispt))->Fill(minvD0,pt);
1261 if (!fCutOnDistr || (fCutOnDistr && fIsSelectedCandidate>1)) {
1262 ((TH1F*)listout->FindObject(fillthis))->Fill(minvD0bar);
1263 if(fFillPtHist && fReadMC) ((TH2F*)fOutputMassPt->FindObject(fillthispt))->Fill(minvD0bar,pt);
1266 fillthis="hptB1prongnoMcut_";
1269 ((TH1F*)listout->FindObject(fillthis))->Fill(((AliAODTrack*)fDaughterTracks.UncheckedAt(0))->Pt());
1271 fillthis="hptB2prongsnoMcut_";
1273 ((TH1F*)listout->FindObject(fillthis))->Fill(((AliAODTrack*)fDaughterTracks.UncheckedAt(0))->Pt());
1274 ((TH1F*)listout->FindObject(fillthis))->Fill(((AliAODTrack*)fDaughterTracks.UncheckedAt(0))->Pt());
1276 //apply cut on invariant mass on the pair
1277 if(TMath::Abs(minvD0-mPDG)<invmasscut || TMath::Abs(minvD0bar-mPDG)<invmasscut){
1279 ptProng[0]=((AliAODTrack*)fDaughterTracks.UncheckedAt(0))->Pt(); ptProng[1]=((AliAODTrack*)fDaughterTracks.UncheckedAt(0))->Pt();
1280 cosThetaStarD0 = part->CosThetaStarD0();
1281 cosThetaStarD0bar = part->CosThetaStarD0bar();
1284 cosPointingAngle = part->CosPointingAngle();
1285 normalizedDecayLength2 = part->NormalizedDecayLength2();
1286 decayLength2 = part->DecayLength2();
1287 decayLengthxy = part->DecayLengthXY();
1288 normalizedDecayLengthxy=decayLengthxy/part->DecayLengthXYError();
1289 d0Prong[0]=part->Getd0Prong(0); d0Prong[1]=part->Getd0Prong(1);
1292 AliAODTrack *prongg=(AliAODTrack*)fDaughterTracks.UncheckedAt(0);
1294 if(fDebug>2) cout<<"No daughter found";
1299 if(prongg->Charge()==1) {
1300 //fTotPosPairs[ptbin]++;
1301 ((TH1F*)fOutputMass->FindObject("hpospair"))->Fill(ptbin);
1303 //fTotNegPairs[ptbin]++;
1304 ((TH1F*)fOutputMass->FindObject("hnegpair"))->Fill(ptbin);
1311 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[0]);
1312 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[1]);
1315 Int_t pdgMother[2]={0,0};
1316 Double_t factor[2]={1,1};
1318 for(Int_t iprong=0;iprong<2;iprong++){
1319 AliAODTrack *prong=(AliAODTrack*)fDaughterTracks.UncheckedAt(iprong);
1320 lab=prong->GetLabel();
1322 AliAODMCParticle* mcprong=(AliAODMCParticle*)arrMC->At(lab);
1324 Int_t labmom=mcprong->GetMother();
1326 AliAODMCParticle* mcmother=(AliAODMCParticle*)arrMC->At(labmom);
1327 if(mcmother) pdgMother[iprong]=mcmother->GetPdgCode();
1334 fillthis="hd0moresB_";
1337 if(TMath::Abs(pdgMother[iprong])==310 || TMath::Abs(pdgMother[iprong])==130 || TMath::Abs(pdgMother[iprong])==321){ //K^0_S, K^0_L, K^+-
1338 if(ptProng[iprong]<=1)factor[iprong]=1./.7;
1339 else factor[iprong]=1./.6;
1340 fNentries->Fill(11);
1343 if(TMath::Abs(pdgMother[iprong])==3122) { //Lambda
1344 factor[iprong]=1./0.25;
1345 fNentries->Fill(12);
1347 fillthis="hd0moresB_";
1350 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[iprong],factor[iprong]);
1353 fillthis="hd0vmoresB_";
1355 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[iprong],factor[iprong]);
1361 fillthis="hd0d0moresB_";
1363 ((TH1F*)listout->FindObject(fillthis))->Fill(part->Prodd0d0(),factor[0]*factor[1]);
1365 fillthis="hcosthetapointmoresB_";
1367 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,factor[0]*factor[1]);
1370 fillthis="hd0d0vmoresB_";
1372 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[0]*d0[1],factor[0]*factor[1]);
1378 //normalise pt distr to half afterwards
1381 ((TH1F*)listout->FindObject(fillthis))->Fill(ptProng[0]);
1382 ((TH1F*)listout->FindObject(fillthis))->Fill(ptProng[1]);
1384 fillthis="hcosthetastarB_";
1386 if (!fCutOnDistr || (fCutOnDistr && (fIsSelectedCandidate==1 || fIsSelectedCandidate==3)))((TH1F*)listout->FindObject(fillthis))->Fill(cosThetaStarD0);
1387 if (!fCutOnDistr || (fCutOnDistr && fIsSelectedCandidate>1))((TH1F*)listout->FindObject(fillthis))->Fill(cosThetaStarD0bar);
1392 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[0]);
1395 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[1]);
1397 fillthis="hcosthpointd0d0B_";
1399 ((TH2F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,part->Prodd0d0());
1401 fillthis="hcosthpointd0B_";
1403 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,d0Prong[0]);
1404 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,d0Prong[1]);
1409 fillthis="hd0vp0B_";
1411 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[0]);
1412 fillthis="hd0vp1B_";
1414 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[1]);
1418 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[0]);
1419 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[1]);
1427 ((TH1F*)listout->FindObject(fillthis))->Fill(part->GetDCA());
1431 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[0]*d0Prong[1]);
1434 fillthis="hd0d0vB_";
1436 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[0]*d0[1]);
1439 fillthis="hcosthetapointB_";
1441 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle);
1443 fillthis="hcosthetapointxyB_";
1445 ((TH1F*)listout->FindObject(fillthis))->Fill(part->CosPointingAngleXY());
1449 ((TH1F*)listout->FindObject(fillthis))->Fill(decayLength2);
1451 fillthis="hnormdeclB_";
1453 ((TH1F*)listout->FindObject(fillthis))->Fill(normalizedDecayLength2);
1455 fillthis="hdeclxyB_";
1457 ((TH1F*)listout->FindObject(fillthis))->Fill(decayLengthxy);
1459 fillthis="hnormdeclxyB_";
1461 ((TH1F*)listout->FindObject(fillthis))->Fill(normalizedDecayLengthxy);
1463 fillthis="hdeclxyd0d0B_";
1465 ((TH2F*)listout->FindObject(fillthis))->Fill(decayLengthxy,d0Prong[0]*d0Prong[1]);
1467 fillthis="hnormdeclxyd0d0B_";
1469 ((TH2F*)listout->FindObject(fillthis))->Fill(normalizedDecayLengthxy,d0Prong[0]*d0Prong[1]);
1473 fillthis="hdeclvB_";
1475 ((TH1F*)listout->FindObject(fillthis))->Fill(decl[0]);
1477 fillthis="hnormdeclvB_";
1479 ((TH1F*)listout->FindObject(fillthis))->Fill(decl[1]);
1484 }//else (background)
1489 //____________________________________________________________________________
1490 void AliAnalysisTaskSED0Mass::FillMassHists(AliAODRecoDecayHF2Prong *part, TClonesArray *arrMC, AliAODMCHeader *mcHeader, AliRDHFCutsD0toKpi* cuts, TList *listout){
1492 // function used in UserExec to fill mass histograms:
1496 Double_t mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
1498 //cout<<"is selected = "<<fIsSelectedCandidate<<endl;
1500 // Fill candidate variable Tree (track selection, no candidate selection)
1501 if( fWriteVariableTree && !part->HasBadDaughters()
1502 && fCuts->AreDaughtersSelected(part) && fCuts->IsSelectedPID(part) ){
1503 fCandidateVariables[0] = part->InvMassD0();
1504 fCandidateVariables[1] = part->InvMassD0bar();
1505 fCandidateVariables[2] = part->Pt();
1506 fCandidateVariables[3] = part->GetDCA();
1507 Double_t ctsD0=0. ,ctsD0bar=0.; part->CosThetaStarD0(ctsD0,ctsD0bar);
1508 fCandidateVariables[4] = ctsD0;
1509 fCandidateVariables[5] = ctsD0bar;
1510 fCandidateVariables[6] = part->Pt2Prong(0);
1511 fCandidateVariables[7] = part->Pt2Prong(1);
1512 fCandidateVariables[8] = part->Getd0Prong(0);
1513 fCandidateVariables[9] = part->Getd0Prong(1);
1514 fCandidateVariables[10] = part->Prodd0d0();
1515 fCandidateVariables[11] = part->CosPointingAngle();
1516 fCandidateVariables[12] = part->CosPointingAngleXY();
1517 fCandidateVariables[13] = part->NormalizedDecayLengthXY();
1518 fCandidateVariables[14] = fCuts->IsSelectedSpecialCuts(part);
1519 fVariablesTree->Fill();
1522 //cout<<"check cuts = "<<endl;
1524 if (!fIsSelectedCandidate){
1525 //cout<<"Not Selected"<<endl;
1526 //cout<<"Rejected because "<<cuts->GetWhy()<<endl;
1531 if(fDebug>2) cout<<"Candidate selected"<<endl;
1533 Double_t invmassD0 = part->InvMassD0(), invmassD0bar = part->InvMassD0bar();
1534 //printf("SELECTED\n");
1535 Int_t ptbin=cuts->PtBin(part->Pt());
1536 Double_t pt = part->Pt();
1538 Double_t impparXY=part->ImpParXY()*10000.;
1539 Double_t trueImpParXY=0.;
1540 Double_t arrayForSparse[3]={invmassD0,pt,impparXY};
1541 Double_t arrayForSparseTrue[3]={invmassD0,pt,trueImpParXY};
1544 // AliAODTrack *prong=(AliAODTrack*)fDaughterTracks.UncheckedAt(0);
1546 // AliDebug(2,"No daughter found");
1550 // if(prong->Charge()==1) {
1551 // ((TH1F*)fDistr->FindObject("hpospair"))->Fill(fCuts->GetNPtBins()+ptbin);
1552 // //fTotPosPairs[ptbin]++;
1554 // ((TH1F*)fDistr->FindObject("hnegpair"))->Fill(fCuts->GetNPtBins()+ptbin);
1555 // //fTotNegPairs[ptbin]++;
1559 // for(Int_t it=0;it<2;it++){
1561 // //request on spd points to be addes
1562 // if(/*nSPD==2 && */part->Pt() > 5. && (TMath::Abs(invmassD0-mPDG)<0.01 || TMath::Abs(invmassD0bar-mPDG)<0.01)){
1563 // FILE *f=fopen("4display.txt","a");
1564 // fprintf(f,"pt: %f \n Rapidity: %f \t Period Number: %x \t Run Number: %d \t BunchCrossNumb: %d \t OrbitNumber: %d\n",part->Pt(),part->Y(421),aod->GetPeriodNumber(),aod->GetRunNumber(),aod->GetBunchCrossNumber(),aod->GetOrbitNumber());
1566 // //printf("PrimVtx NContributors: %d \n Prongs Rel Angle: %f \n \n",ncont,relangle);
1570 TString fillthis="", fillthispt="", fillthismasspt="";
1571 Int_t pdgDgD0toKpi[2]={321,211};
1573 Bool_t isPrimary=kTRUE;
1574 if (fReadMC) labD0 = part->MatchToMC(421,arrMC,2,pdgDgD0toKpi); //return MC particle label if the array corresponds to a D0, -1 if not (cf. AliAODRecoDecay.cxx)
1576 //count candidates selected by cuts
1578 //count true D0 selected by cuts
1579 if (fReadMC && labD0>=0) fNentries->Fill(2);
1581 if ((fIsSelectedCandidate==1 || fIsSelectedCandidate==3) && fFillOnlyD0D0bar<2) { //D0
1583 arrayForSparse[0]=invmassD0; arrayForSparse[2]=impparXY;
1587 if(fArray==1) cout<<"LS signal ERROR"<<endl;
1589 AliAODMCParticle *partD0 = (AliAODMCParticle*)arrMC->At(labD0);
1590 Int_t pdgD0 = partD0->GetPdgCode();
1591 // cout<<"pdg = "<<pdgD0<<endl;
1593 if(CheckOrigin(arrMC,partD0)==5) isPrimary=kFALSE;
1595 trueImpParXY=GetTrueImpactParameter(mcHeader,arrMC,partD0)*10000.;
1596 arrayForSparseTrue[0]=invmassD0; arrayForSparseTrue[2]=trueImpParXY;
1598 if (pdgD0==421){ //D0
1599 // cout<<"Fill S with D0"<<endl;
1600 fillthis="histSgn_";
1602 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0);
1605 fillthismasspt="histSgnPt";
1606 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0,pt);
1608 if(fFillImpParHist){
1609 if(isPrimary) fHistMassPtImpParTC[1]->Fill(arrayForSparse);
1611 fHistMassPtImpParTC[2]->Fill(arrayForSparse);
1612 fHistMassPtImpParTC[3]->Fill(arrayForSparseTrue);
1617 if(TMath::Abs(invmassD0 - mPDG) < 0.027 && fFillVarHists){
1618 fillthis="histSgn27_";
1620 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0);
1623 } else{ //it was a D0bar
1624 fillthis="histRfl_";
1626 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0);
1629 fillthismasspt="histRflPt";
1630 // cout << " Filling "<<fillthismasspt<<" D0bar"<<endl;
1631 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0,pt);
1635 } else {//background
1636 fillthis="histBkg_";
1638 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0);
1641 fillthismasspt="histBkgPt";
1642 // cout << " Filling "<<fillthismasspt<<" D0bar"<<endl;
1643 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0,pt);
1645 if(fFillImpParHist) fHistMassPtImpParTC[4]->Fill(arrayForSparse);
1650 fillthis="histMass_";
1652 // cout<<"Filling "<<fillthis<<endl;
1654 // printf("Fill mass with D0");
1655 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0);
1658 fillthismasspt="histMassPt";
1659 // cout<<"Filling "<<fillthismasspt<<endl;
1660 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0,pt);
1662 if(fFillImpParHist) {
1663 // cout << "Filling fHistMassPtImpParTC[0]"<<endl;
1664 fHistMassPtImpParTC[0]->Fill(arrayForSparse);
1670 if (fIsSelectedCandidate>1 && (fFillOnlyD0D0bar==0 || fFillOnlyD0D0bar==2)) { //D0bar
1672 arrayForSparse[0]=invmassD0bar; arrayForSparse[2]=impparXY;
1676 if(fArray==1) cout<<"LS signal ERROR"<<endl;
1677 AliAODMCParticle *partD0 = (AliAODMCParticle*)arrMC->At(labD0);
1678 Int_t pdgD0 = partD0->GetPdgCode();
1679 // cout<<" pdg = "<<pdgD0<<endl;
1681 if(CheckOrigin(arrMC,partD0)==5) isPrimary=kFALSE;
1683 trueImpParXY=GetTrueImpactParameter(mcHeader,arrMC,partD0)*10000.;
1684 arrayForSparseTrue[0]=invmassD0bar; arrayForSparseTrue[2]=trueImpParXY;
1686 if (pdgD0==-421){ //D0bar
1687 fillthis="histSgn_";
1689 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0bar);
1690 // if (TMath::Abs(invmassD0bar - mPDG) < 0.027){
1691 // fillthis="histSgn27_";
1693 // ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0bar);
1697 fillthismasspt="histSgnPt";
1698 // cout<<" Filling "<< fillthismasspt << endl;
1699 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0bar,pt);
1701 if(fFillImpParHist){
1702 // cout << " Filling impact parameter thnsparse"<<endl;
1703 if(isPrimary) fHistMassPtImpParTC[1]->Fill(arrayForSparse);
1705 fHistMassPtImpParTC[2]->Fill(arrayForSparse);
1706 fHistMassPtImpParTC[3]->Fill(arrayForSparseTrue);
1711 fillthis="histRfl_";
1713 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0bar);
1715 fillthismasspt="histRflPt";
1716 // cout << " Filling "<<fillthismasspt<<endl;
1717 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0bar,pt);
1720 } else {//background or LS
1721 fillthis="histBkg_";
1723 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0bar);
1726 fillthismasspt="histBkgPt";
1727 // cout<<" Filling "<< fillthismasspt << endl;
1728 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0bar,pt);
1730 if(fFillImpParHist) fHistMassPtImpParTC[4]->Fill(arrayForSparse);
1734 fillthis="histMass_";
1736 // printf("Fill mass with D0bar");
1737 ((TH1F*)listout->FindObject(fillthis))->Fill(invmassD0bar);
1740 fillthismasspt="histMassPt";
1741 // cout<<" Filling "<< fillthismasspt << endl;
1742 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0bar,pt);
1744 if(fFillImpParHist) fHistMassPtImpParTC[0]->Fill(arrayForSparse);
1752 //__________________________________________________________________________
1753 AliAODVertex* AliAnalysisTaskSED0Mass::GetPrimaryVtxSkipped(AliAODEvent *aodev){
1754 //Calculate the primary vertex w/o the daughter tracks of the candidate
1757 Int_t nTrksToSkip=2;
1758 AliAODTrack *dgTrack = (AliAODTrack*)fDaughterTracks.UncheckedAt(0);
1760 AliDebug(2,"no daughter found!");
1763 skipped[0]=dgTrack->GetID();
1764 dgTrack = (AliAODTrack*)fDaughterTracks.UncheckedAt(1);
1766 AliDebug(2,"no daughter found!");
1769 skipped[1]=dgTrack->GetID();
1771 AliESDVertex *vertexESD=0x0;
1772 AliAODVertex *vertexAOD=0x0;
1773 AliVertexerTracks *vertexer = new AliVertexerTracks(aodev->GetMagneticField());
1776 vertexer->SetSkipTracks(nTrksToSkip,skipped);
1777 vertexer->SetMinClusters(4);
1778 vertexESD = (AliESDVertex*)vertexer->FindPrimaryVertex(aodev);
1779 if(!vertexESD) return vertexAOD;
1780 if(vertexESD->GetNContributors()<=0) {
1781 AliDebug(2,"vertexing failed");
1782 delete vertexESD; vertexESD=NULL;
1786 delete vertexer; vertexer=NULL;
1789 // convert to AliAODVertex
1790 Double_t pos[3],cov[6],chi2perNDF;
1791 vertexESD->GetXYZ(pos); // position
1792 vertexESD->GetCovMatrix(cov); //covariance matrix
1793 chi2perNDF = vertexESD->GetChi2toNDF();
1794 delete vertexESD; vertexESD=NULL;
1796 vertexAOD = new AliAODVertex(pos,cov,chi2perNDF);
1802 //________________________________________________________________________
1803 void AliAnalysisTaskSED0Mass::Terminate(Option_t */*option*/)
1805 // Terminate analysis
1807 if(fDebug > 1) printf("AnalysisTaskSED0Mass: Terminate() \n");
1810 fOutputMass = dynamic_cast<TList*> (GetOutputData(1));
1812 printf("ERROR: fOutputMass not available\n");
1815 fOutputMassPt = dynamic_cast<TList*> (GetOutputData(6));
1816 if ((fFillPtHist || fFillImpParHist) && !fOutputMassPt) {
1817 printf("ERROR: fOutputMass not available\n");
1822 fDistr = dynamic_cast<TList*> (GetOutputData(2));
1824 printf("ERROR: fDistr not available\n");
1829 fNentries = dynamic_cast<TH1F*>(GetOutputData(3));
1832 printf("ERROR: fNEntries not available\n");
1835 fCuts = dynamic_cast<AliRDHFCutsD0toKpi*>(GetOutputData(4));
1837 printf("ERROR: fCuts not available\n");
1840 fCounter = dynamic_cast<AliNormalizationCounter*>(GetOutputData(5));
1842 printf("ERROR: fCounter not available\n");
1845 Int_t nptbins=fCuts->GetNPtBins();
1846 for(Int_t ipt=0;ipt<nptbins;ipt++){
1848 if(fArray==1 && fFillVarHists){
1849 fLsNormalization = 2.*TMath::Sqrt(((TH1F*)fOutputMass->FindObject("hpospair"))->Integral(nptbins+ipt+1,nptbins+ipt+2)*((TH1F*)fOutputMass->FindObject("hnegpair"))->Integral(nptbins+ipt+1,nptbins+ipt+2)); //after cuts
1852 if(fLsNormalization>1e-6) {
1854 TString massName="histMass_";
1856 ((TH1F*)fOutputMass->FindObject(massName))->Scale((1/fLsNormalization)*((TH1F*)fOutputMass->FindObject(massName))->GetEntries());
1861 fLsNormalization = 2.*TMath::Sqrt(((TH1F*)fOutputMass->FindObject("hpospair"))->Integral(ipt+1,ipt+2)*((TH1F*)fOutputMass->FindObject("hnegpair"))->Integral(ipt+1,ipt+2));
1862 //fLsNormalization = 2.*TMath::Sqrt(fTotPosPairs[4]*fTotNegPairs[4]);
1864 if(fLsNormalization>1e-6) {
1866 TString nameDistr="hptB_";
1868 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1871 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1872 nameDistr="hcosthetastarB_";
1874 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1877 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1878 nameDistr="hd0d0B_";
1880 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1881 nameDistr="hcosthetapointB_";
1883 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1885 nameDistr="hcosthpointd0d0B_";
1887 ((TH2F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH2F*)fDistr->FindObject(nameDistr))->GetEntries());
1892 TString cvname,cstname;
1902 TCanvas *cMass=new TCanvas(cvname,cvname);
1904 ((TH1F*)fOutputMass->FindObject("histMass_3"))->Draw();
1906 TCanvas* cStat=new TCanvas(cstname,Form("Stat%s",fArray ? "LS" : "D0"));
1909 fNentries->Draw("htext0");
1911 // TCanvas *ccheck=new TCanvas(Form("cc%d",fArray),Form("cc%d",fArray));
1918 //________________________________________________________________________
1919 void AliAnalysisTaskSED0Mass::CreateImpactParameterHistos(){
1920 // Histos for impact paramter study
1922 Int_t nmassbins=200;
1923 Double_t fLowmasslimit=1.5648, fUpmasslimit=2.1648;
1924 Int_t fNImpParBins=400;
1925 Double_t fLowerImpPar=-2000., fHigherImpPar=2000.;
1926 Int_t nbins[3]={nmassbins,200,fNImpParBins};
1927 Double_t xmin[3]={fLowmasslimit,0.,fLowerImpPar};
1928 Double_t xmax[3]={fUpmasslimit,20.,fHigherImpPar};
1931 fHistMassPtImpParTC[0]=new THnSparseF("hMassPtImpParAll",
1932 "Mass vs. pt vs.imppar - All",
1934 fHistMassPtImpParTC[1]=new THnSparseF("hMassPtImpParPrompt",
1935 "Mass vs. pt vs.imppar - promptD",
1937 fHistMassPtImpParTC[2]=new THnSparseF("hMassPtImpParBfeed",
1938 "Mass vs. pt vs.imppar - DfromB",
1940 fHistMassPtImpParTC[3]=new THnSparseF("hMassPtImpParTrueBfeed",
1941 "Mass vs. pt vs.true imppar -DfromB",
1943 fHistMassPtImpParTC[4]=new THnSparseF("hMassPtImpParBkg",
1944 "Mass vs. pt vs.imppar - backgr.",
1947 for(Int_t i=0; i<5;i++){
1948 fOutputMassPt->Add(fHistMassPtImpParTC[i]);
1952 //_________________________________________________________________________________________________
1953 Float_t AliAnalysisTaskSED0Mass::GetTrueImpactParameter(AliAODMCHeader *mcHeader, TClonesArray* arrayMC, AliAODMCParticle *partD0) const {
1954 // true impact parameter calculation
1956 printf(" AliAnalysisTaskSED0MassV1::GetTrueImpactParameter() \n");
1958 Double_t vtxTrue[3];
1959 mcHeader->GetVertex(vtxTrue);
1961 partD0->XvYvZv(origD);
1962 Short_t charge=partD0->Charge();
1963 Double_t pXdauTrue[2],pYdauTrue[2],pZdauTrue[2];
1964 for(Int_t iDau=0; iDau<2; iDau++){
1970 // Int_t nDau=partD0->GetNDaughters();
1971 Int_t labelFirstDau = partD0->GetDaughter(0);
1973 for(Int_t iDau=0; iDau<2; iDau++){
1974 Int_t ind = labelFirstDau+iDau;
1975 AliAODMCParticle* part = dynamic_cast<AliAODMCParticle*>(arrayMC->At(ind));
1977 Int_t pdgCode = TMath::Abs( part->GetPdgCode() );
1979 AliError("Daughter particle not found in MC array");
1982 if(pdgCode==211 || pdgCode==321){
1983 pXdauTrue[iDau]=part->Px();
1984 pYdauTrue[iDau]=part->Py();
1985 pZdauTrue[iDau]=part->Pz();
1989 Double_t d0dummy[2]={0.,0.};
1990 AliAODRecoDecayHF aodDzeroMC(vtxTrue,origD,2,charge,pXdauTrue,pYdauTrue,pZdauTrue,d0dummy);
1991 return aodDzeroMC.ImpParXY();
1995 //_________________________________________________________________________________________________
1996 Int_t AliAnalysisTaskSED0Mass::CheckOrigin(TClonesArray* arrayMC, AliAODMCParticle *mcPartCandidate) const {
1998 // checking whether the mother of the particles come from a charm or a bottom quark
2000 printf(" AliAnalysisTaskSED0MassV1::CheckOrigin() \n");
2002 Int_t pdgGranma = 0;
2004 mother = mcPartCandidate->GetMother();
2006 Int_t abspdgGranma =0;
2007 Bool_t isFromB=kFALSE;
2008 Bool_t isQuarkFound=kFALSE;
2011 AliAODMCParticle* mcGranma = dynamic_cast<AliAODMCParticle*>(arrayMC->At(mother));
2013 pdgGranma = mcGranma->GetPdgCode();
2014 abspdgGranma = TMath::Abs(pdgGranma);
2015 if ((abspdgGranma > 500 && abspdgGranma < 600) || (abspdgGranma > 5000 && abspdgGranma < 6000)){
2018 if(abspdgGranma==4 || abspdgGranma==5) isQuarkFound=kTRUE;
2019 mother = mcGranma->GetMother();
2021 AliError("Failed casting the mother particle!");
2026 if(isFromB) return 5;