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"
56 ClassImp(AliAnalysisTaskSED0Mass)
59 //________________________________________________________________________
60 AliAnalysisTaskSED0Mass::AliAnalysisTaskSED0Mass():
76 fIsSelectedCandidate(0),
79 fIsRejectSDDClusters(0),
81 fFillImpParHist(kFALSE),
82 fWriteVariableTree(kFALSE),
86 // Default constructor
87 for(Int_t ih=0; ih<5; ih++) fHistMassPtImpParTC[ih]=0x0;
91 //________________________________________________________________________
92 AliAnalysisTaskSED0Mass::AliAnalysisTaskSED0Mass(const char *name,AliRDHFCutsD0toKpi* cuts):
93 AliAnalysisTaskSE(name),
105 fLsNormalization(1.),
108 fIsSelectedCandidate(0),
109 fFillVarHists(kTRUE),
111 fIsRejectSDDClusters(0),
113 fFillImpParHist(kFALSE),
114 fWriteVariableTree(kFALSE),
116 fCandidateVariables()
118 // Default constructor
120 fNPtBins=cuts->GetNPtBins();
123 for(Int_t ih=0; ih<5; ih++) fHistMassPtImpParTC[ih]=0x0;
125 // Output slot #1 writes into a TList container (mass with cuts)
126 DefineOutput(1,TList::Class()); //My private output
127 // Output slot #2 writes into a TList container (distributions)
128 DefineOutput(2,TList::Class()); //My private output
129 // Output slot #3 writes into a TH1F container (number of events)
130 DefineOutput(3,TH1F::Class()); //My private output
131 // Output slot #4 writes into a TList container (cuts)
132 DefineOutput(4,AliRDHFCutsD0toKpi::Class()); //My private output
133 // Output slot #5 writes Normalization Counter
134 DefineOutput(5,AliNormalizationCounter::Class());
135 // Output slot #6 stores the mass vs pt and impact parameter distributions
136 DefineOutput(6,TList::Class()); //My private output
137 // Output slot #7 keeps a tree of the candidate variables after track selection
138 DefineOutput(7,TTree::Class()); //My private outpu
141 //________________________________________________________________________
142 AliAnalysisTaskSED0Mass::~AliAnalysisTaskSED0Mass()
149 delete fOutputMassPt;
160 for(Int_t i=0; i<5; i++){
161 if(fHistMassPtImpParTC[i]) delete fHistMassPtImpParTC[i];
172 delete fVariablesTree;
178 //________________________________________________________________________
179 void AliAnalysisTaskSED0Mass::Init()
183 if(fDebug > 1) printf("AnalysisTaskSED0Mass::Init() \n");
186 AliRDHFCutsD0toKpi* copyfCuts=new AliRDHFCutsD0toKpi(*fCuts);
187 const char* nameoutput=GetOutputSlot(4)->GetContainer()->GetName();
188 copyfCuts->SetName(nameoutput);
190 PostData(4,copyfCuts);
196 //________________________________________________________________________
197 void AliAnalysisTaskSED0Mass::UserCreateOutputObjects()
200 // Create the output container
202 if(fDebug > 1) printf("AnalysisTaskSED0Mass::UserCreateOutputObjects() \n");
204 // Several histograms are more conveniently managed in a TList
205 fOutputMass = new TList();
206 fOutputMass->SetOwner();
207 fOutputMass->SetName("listMass");
209 fOutputMassPt = new TList();
210 fOutputMassPt->SetOwner();
211 fOutputMassPt->SetName("listMassPt");
213 fDistr = new TList();
215 fDistr->SetName("distributionslist");
217 TString nameMass=" ",nameSgn27=" ",nameSgn=" ", nameBkg=" ", nameRfl=" ",nameMassNocutsS =" ",nameMassNocutsB =" ", namedistr=" ";
218 TString nameMassPt="", nameSgnPt="", nameBkgPt="", nameRflPt="";
219 Int_t nbins2dPt=60; Float_t binInPt=0., binFinPt=30.;
221 for(Int_t i=0;i<fCuts->GetNPtBins();i++){
223 nameMass="histMass_";
225 nameSgn27="histSgn27_";
233 nameMassNocutsS="hMassS_";
235 nameMassNocutsB="hMassB_";
238 //histograms of cut variable distributions
244 TH1F *hdcaS = new TH1F(namedistr.Data(), "DCA distribution;dca [cm]",200,0.,0.1);
248 TH1F *hd0piS = new TH1F(namedistr.Data(), "Impact parameter distribution (pions);d0(#pi) [cm]",200,-0.1,0.1);
252 TH1F *hd0KS = new TH1F(namedistr.Data(), "Impact parameter distribution (kaons);d0(K) [cm]",200,-0.1,0.1);
255 TH1F *hd0d0S = new TH1F(namedistr.Data(), "d_{0}#timesd_{0} distribution;d_{0}#timesd_{0} [cm^{2}]",200,-0.001,0.001);
260 TH1F *hdeclengthS = new TH1F(namedistr.Data(), "Decay Length^{2} distribution;Decay Length^{2} [cm]",200,0,0.015);
262 namedistr="hnormdeclS_";
264 TH1F *hnormdeclengthS = new TH1F(namedistr.Data(), "Normalized Decay Length^{2} distribution;(Decay Length/Err)^{2} ",200,0,12.);
266 namedistr="hdeclxyS_";
268 TH1F* hdeclxyS=new TH1F(namedistr.Data(),"Decay Length XY distribution;Decay Length XY [cm]",200,0,0.15);
269 namedistr="hnormdeclxyS_";
271 TH1F* hnormdeclxyS=new TH1F(namedistr.Data(),"Normalized decay Length XY distribution;Decay Length XY/Err",200,0,6.);
273 namedistr="hdeclxyd0d0S_";
275 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);
277 namedistr="hnormdeclxyd0d0S_";
279 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);
282 namedistr="hcosthetapointS_";
284 TH1F *hcosthetapointS = new TH1F(namedistr.Data(), "cos#theta_{Point} distribution;cos#theta_{Point}",200,0,1.);
286 namedistr="hcosthetapointxyS_";
288 TH1F *hcosthetapointxyS = new TH1F(namedistr.Data(), "cos#theta_{Point} XYdistribution;cos#theta_{Point}",300,0.,1.);
290 TH1F* tmpMS = new TH1F(nameMassNocutsS.Data(),"D^{0} invariant mass; M [GeV]; Entries",300,1.5648,2.1648); //range (MD0-300MeV, mD0 + 300MeV)
301 fDistr->Add(hcosthetapointS);
303 fDistr->Add(hcosthetapointxyS);
305 fDistr->Add(hdeclengthS);
307 fDistr->Add(hnormdeclengthS);
309 fDistr->Add(hdeclxyS);
311 fDistr->Add(hnormdeclxyS);
313 fDistr->Add(hdeclxyd0d0S);
314 fDistr->Add(hnormdeclxyd0d0S);
322 TH1F *hdcaB = new TH1F(namedistr.Data(), "DCA distribution;dca [cm]",200,0.,0.1);
327 TH1F *hd0B = new TH1F(namedistr.Data(), "Impact parameter distribution (both);d0 [cm]",200,-0.1,0.1);
331 TH1F *hd0d0B = new TH1F(namedistr.Data(), "d_{0}#timesd_{0} distribution;d_{0}#timesd_{0} [cm^{2}]",200,-0.001,0.001);
336 TH1F *hdeclengthB = new TH1F(namedistr.Data(), "Decay Length^{2} distribution;Decay Length^{2} [cm^{2}]",200,0,0.015);
338 namedistr="hnormdeclB_";
340 TH1F *hnormdeclengthB = new TH1F(namedistr.Data(), "Normalized Decay Length distribution;(Decay Length/Err)^{2} ",200,0,12.);
342 namedistr="hdeclxyB_";
344 TH1F* hdeclxyB=new TH1F(namedistr.Data(),"Decay Length XY distribution;Decay Length XY [cm]",200,0,0.15);
345 namedistr="hnormdeclxyB_";
347 TH1F* hnormdeclxyB=new TH1F(namedistr.Data(),"Normalized decay Length XY distribution;Decay Length XY/Err",200,0,6.);
349 namedistr="hdeclxyd0d0B_";
351 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);
353 namedistr="hnormdeclxyd0d0B_";
355 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);
358 namedistr="hcosthetapointB_";
360 TH1F *hcosthetapointB = new TH1F(namedistr.Data(), "cos#theta_{Point} distribution;cos#theta_{Point}",200,0,1.);
362 namedistr="hcosthetapointxyB_";
364 TH1F *hcosthetapointxyB = new TH1F(namedistr.Data(), "cos#theta_{Point} XY distribution;cos#theta_{Point} XY",300,0.,1.);
366 TH1F* tmpMB = new TH1F(nameMassNocutsB.Data(),"D^{0} invariant mass; M [GeV]; Entries",300,1.5648,2.1648); //range (MD0-300MeV, mD0 + 300MeV)
377 fDistr->Add(hcosthetapointB);
379 fDistr->Add(hcosthetapointxyB);
381 fDistr->Add(hdeclengthB);
383 fDistr->Add(hnormdeclengthB);
385 fDistr->Add(hdeclxyB);
387 fDistr->Add(hnormdeclxyB);
389 fDistr->Add(hdeclxyd0d0B);
390 fDistr->Add(hnormdeclxyd0d0B);
394 //histograms filled only when the secondary vertex is recalculated w/o the daughter tracks (as requested in the cut object)
396 if(fCuts->GetIsPrimaryWithoutDaughters()){
398 namedistr="hd0vpiS_";
400 TH1F *hd0vpiS = new TH1F(namedistr.Data(), "Impact parameter distribution (pions)(vtx w/o these tracks);d0(#pi) [cm]",200,-0.1,0.1);
404 TH1F *hd0vKS = new TH1F(namedistr.Data(), "Impact parameter distribution (kaons) (vtx w/o these tracks);d0(K) [cm]",200,-0.1,0.1);
406 namedistr="hd0d0vS_";
408 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);
410 namedistr="hdeclvS_";
412 TH1F *hdeclengthvS = new TH1F(namedistr.Data(), "Decay Length distribution (vtx w/o tracks);Decay Length [cm]",200,0,0.6);
414 namedistr="hnormdeclvS_";
416 TH1F *hnormdeclengthvS = new TH1F(namedistr.Data(), "Normalized Decay Length distribution (vtx w/o tracks);Decay Length/Err ",200,0,10.);
418 fDistr->Add(hd0vpiS);
420 fDistr->Add(hd0d0vS);
421 fDistr->Add(hdeclengthvS);
422 fDistr->Add(hnormdeclengthvS);
426 namedistr="hd0vmoresB_";
428 TH1F *hd0vmoresB = new TH1F(namedistr.Data(), "Impact parameter distribution (both);d0 [cm]",200,-0.1,0.1);
430 namedistr="hd0d0vmoresB_";
432 TH1F *hd0d0vmoresB = new TH1F(namedistr.Data(), "Impact parameter distribution (prong +);d0 [cm]",200,-0.001,0.001);
437 TH1F *hd0vB = new TH1F(namedistr.Data(), "Impact parameter distribution (vtx w/o these tracks);d0 [cm]",200,-0.1,0.1);
439 namedistr="hd0vp0B_";
441 TH1F *hd0vp0B = new TH1F(namedistr.Data(), "Impact parameter distribution (prong + ** vtx w/o these tracks);d0 [cm]",200,-0.1,0.1);
443 namedistr="hd0vp1B_";
445 TH1F *hd0vp1B = new TH1F(namedistr.Data(), "Impact parameter distribution (prong - ** vtx w/o these tracks);d0 [cm]",200,-0.1,0.1);
447 namedistr="hd0d0vB_";
449 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);
451 namedistr="hdeclvB_";
453 TH1F *hdeclengthvB = new TH1F(namedistr.Data(), "Decay Length distribution (vtx w/o tracks);Decay Length [cm]",200,0,0.6);
455 namedistr="hnormdeclvB_";
457 TH1F *hnormdeclengthvB = new TH1F(namedistr.Data(), "Normalized Decay Length distribution (vtx w/o tracks);Decay Length/Err ",200,0,10.);
460 fDistr->Add(hd0vp0B);
461 fDistr->Add(hd0vp1B);
462 fDistr->Add(hd0vmoresB);
464 fDistr->Add(hd0d0vB);
465 fDistr->Add(hd0d0vmoresB);
467 fDistr->Add(hdeclengthvB);
469 fDistr->Add(hnormdeclengthvB);
474 //histograms of invariant mass distributions
479 TH1F* tmpSt = new TH1F(nameSgn.Data(), "D^{0} invariant mass - MC; M [GeV]; Entries",200,1.5648,2.1648);
481 TH1F *tmpSl=(TH1F*)tmpSt->Clone();
485 //Reflection: histo filled with D0Mass which pass the cut (also) as D0bar and with D0bar which pass (also) the cut as D0
486 TH1F* tmpRt = new TH1F(nameRfl.Data(), "Reflected signal invariant mass - MC; M [GeV]; Entries",200,1.5648,2.1648);
487 //TH1F *tmpRl=(TH1F*)tmpRt->Clone();
488 TH1F* tmpBt = new TH1F(nameBkg.Data(), "Background invariant mass - MC; M [GeV]; Entries",200,1.5648,2.1648);
489 //TH1F *tmpBl=(TH1F*)tmpBt->Clone();
495 fOutputMass->Add(tmpSt);
496 fOutputMass->Add(tmpRt);
497 fOutputMass->Add(tmpBt);
502 TH1F* tmpMt = new TH1F(nameMass.Data(),"D^{0} invariant mass; M [GeV]; Entries",200,1.5648,2.1648);
503 //TH1F *tmpMl=(TH1F*)tmpMt->Clone();
506 //distribution w/o cuts large range
507 // TH1F* tmpMS = new TH1F(nameMassNocutsS.Data(),"D^{0} invariant mass; M [GeV]; Entries",300,0.7,3.);
509 fOutputMass->Add(tmpMt);
511 if(fSys==0){ //histograms filled only in pp to save time in PbPb
518 TH1F *hptpiS = new TH1F(namedistr.Data(), "P_{T} distribution (pions);p_{T} [GeV/c]",200,0.,8.);
522 TH1F *hptKS = new TH1F(namedistr.Data(), "P_{T} distribution (kaons);p_{T} [GeV/c]",200,0.,8.);
525 namedistr="hcosthetastarS_";
527 TH1F *hcosthetastarS = new TH1F(namedistr.Data(), "cos#theta* distribution;cos#theta*",200,-1.,1.);
531 namedistr="hptpiSnoMcut_";
533 TH1F *hptpiSnoMcut = new TH1F(namedistr.Data(), "P_{T} distribution (pions);p_{T} [GeV/c]",200,0.,8.);
535 namedistr="hptKSnoMcut_";
537 TH1F *hptKSnoMcut = new TH1F(namedistr.Data(), "P_{T} distribution (kaons);p_{T} [GeV/c]",200,0.,8.);
541 fDistr->Add(hcosthetastarS);
543 fDistr->Add(hptpiSnoMcut);
544 fDistr->Add(hptKSnoMcut);
546 // costhetapoint vs d0 or d0d0
547 namedistr="hcosthpointd0S_";
549 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);
550 namedistr="hcosthpointd0d0S_";
552 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);
554 fDistr->Add(hcosthpointd0S);
555 fDistr->Add(hcosthpointd0d0S);
557 //to compare with AliAnalysisTaskCharmFraction
558 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);
559 TH1F *tmpS27l=(TH1F*)tmpS27t->Clone();
563 fOutputMass->Add(tmpS27t);
564 fOutputMass->Add(tmpS27l);
571 TH1F *hptB = new TH1F(namedistr.Data(), "P_{T} distribution;p_{T} [GeV/c]",200,0.,8.);
574 namedistr="hcosthetastarB_";
576 TH1F *hcosthetastarB = new TH1F(namedistr.Data(), "cos#theta* distribution;cos#theta*",200,-1.,1.);
579 namedistr="hptB1prongnoMcut_";
581 TH1F *hptB1pnoMcut = new TH1F(namedistr.Data(), "P_{T} distribution;p_{T} [GeV/c]",200,0.,8.);
583 namedistr="hptB2prongsnoMcut_";
585 TH1F *hptB2pnoMcut = new TH1F(namedistr.Data(), "P_{T} distribution;p_{T} [GeV/c]",200,0.,8.);
588 fDistr->Add(hcosthetastarB);
590 fDistr->Add(hptB1pnoMcut);
591 fDistr->Add(hptB2pnoMcut);
593 //impact parameter of negative/positive track
596 TH1F *hd0p0B = new TH1F(namedistr.Data(), "Impact parameter distribution (prong +);d0 [cm]",200,-0.1,0.1);
600 TH1F *hd0p1B = new TH1F(namedistr.Data(), "Impact parameter distribution (prong -);d0 [cm]",200,-0.1,0.1);
602 //impact parameter corrected for strangeness
603 namedistr="hd0moresB_";
605 TH1F *hd0moresB = new TH1F(namedistr.Data(), "Impact parameter distribution (both);d0 [cm]",200,-0.1,0.1);
607 namedistr="hd0d0moresB_";
609 TH1F *hd0d0moresB = new TH1F(namedistr.Data(), "Impact parameter distribution (prong +);d0 [cm]",200,-0.001,0.001);
612 namedistr="hcosthetapointmoresB_";
614 TH1F *hcosthetapointmoresB = new TH1F(namedistr.Data(), "cos#theta_{Point} distribution;cos#theta_{Point}",200,0,1.);
616 // costhetapoint vs d0 or d0d0
617 namedistr="hcosthpointd0B_";
619 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);
621 namedistr="hcosthpointd0d0B_";
623 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);
628 fDistr->Add(hd0moresB);
629 fDistr->Add(hd0d0moresB);
630 fDistr->Add(hcosthetapointmoresB);
633 fDistr->Add(hcosthpointd0B);
636 fDistr->Add(hcosthpointd0d0B);
643 //for Like sign analysis
646 namedistr="hpospair";
647 TH1F* hpospair=new TH1F(namedistr.Data(),"Number of positive pairs",fCuts->GetNPtBins(),-0.5,fCuts->GetNPtBins()-0.5);
648 namedistr="hnegpair";
649 TH1F* hnegpair=new TH1F(namedistr.Data(),"Number of negative pairs",fCuts->GetNPtBins(),-0.5,fCuts->GetNPtBins()-0.5);
650 fOutputMass->Add(hpospair);
651 fOutputMass->Add(hnegpair);
655 // 2D Pt distributions and impact parameter histograms
658 nameMassPt="histMassPt";
659 nameSgnPt="histSgnPt";
660 nameBkgPt="histBkgPt";
661 nameRflPt="histRflPt";
665 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);
666 TH2F *tmpSlPt=(TH2F*)tmpStPt->Clone();
670 //Reflection: histo filled with D0MassV1 which pass the cut (also) as D0bar and with D0bar which pass (also) the cut as D0
671 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);
672 TH2F* tmpBtPt = new TH2F(nameBkgPt.Data(), "Background invariant mass - MC; M [GeV]; Entries; Pt[GeV/c]",200,1.5648,2.1648,nbins2dPt,binInPt,binFinPt);
676 fOutputMassPt->Add(tmpStPt);
677 fOutputMassPt->Add(tmpRtPt);
678 fOutputMassPt->Add(tmpBtPt);
680 // cout<<endl<<endl<<"***************************************"<<endl;
681 // cout << " created and added to the list "<< nameSgnPt.Data() <<" "<< tmpStPt <<
682 // ", "<<nameRflPt.Data() <<" " << tmpRtPt<<", "<<nameBkgPt.Data()<< " " << tmpBtPt <<endl;
683 // cout<<"***************************************"<<endl<<endl;
686 TH2F* tmpMtPt = new TH2F(nameMassPt.Data(),"D^{0} invariant mass; M [GeV]; Entries; Pt[GeV/c]",200,1.5648,2.1648,nbins2dPt,binInPt,binFinPt);
689 fOutputMassPt->Add(tmpMtPt);
692 if(fFillImpParHist) CreateImpactParameterHistos();
694 const char* nameoutput=GetOutputSlot(3)->GetContainer()->GetName();
696 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);
698 fNentries->GetXaxis()->SetBinLabel(1,"nEventsAnal");
699 fNentries->GetXaxis()->SetBinLabel(2,"nCandSel(Cuts)");
700 if(fReadMC) fNentries->GetXaxis()->SetBinLabel(3,"nD0Selected");
701 else fNentries->GetXaxis()->SetBinLabel(3,"Dstar<-D0");
702 fNentries->GetXaxis()->SetBinLabel(4,"nEventsGoodVtxS");
703 fNentries->GetXaxis()->SetBinLabel(5,"ptbin = -1");
704 fNentries->GetXaxis()->SetBinLabel(6,"no daughter");
705 if(fSys==0) fNentries->GetXaxis()->SetBinLabel(7,"nCandSel(Tr)");
707 fNentries->GetXaxis()->SetBinLabel(8,"PID=0");
708 fNentries->GetXaxis()->SetBinLabel(9,"PID=1");
709 fNentries->GetXaxis()->SetBinLabel(10,"PID=2");
710 fNentries->GetXaxis()->SetBinLabel(11,"PID=3");
712 if(fReadMC && fSys==0){
713 fNentries->GetXaxis()->SetBinLabel(12,"K");
714 fNentries->GetXaxis()->SetBinLabel(13,"Lambda");
716 fNentries->GetXaxis()->SetBinLabel(14,"Pile-up Rej");
717 fNentries->GetXaxis()->SetBinLabel(15,"N. of 0SMH");
718 if(fSys==1) fNentries->GetXaxis()->SetBinLabel(16,"Nev in centr");
719 if(fIsRejectSDDClusters) fNentries->GetXaxis()->SetBinLabel(17,"SDD-Cls Rej");
720 fNentries->GetXaxis()->SetBinLabel(18,"Phys.Sel.Rej");
721 fNentries->GetXaxis()->SetNdivisions(1,kFALSE);
723 fCounter = new AliNormalizationCounter(Form("%s",GetOutputSlot(5)->GetContainer()->GetName()));
727 // Output slot 7 : tree of the candidate variables after track selection
729 nameoutput = GetOutputSlot(7)->GetContainer()->GetName();
730 fVariablesTree = new TTree(nameoutput,"Candidates variables tree");
732 fCandidateVariables = new Double_t [nVar];
733 TString * fCandidateVariableNames = new TString[nVar];
734 fCandidateVariableNames[0]="massD0"; fCandidateVariableNames[1]="massD0bar"; fCandidateVariableNames[2]="pt";
735 fCandidateVariableNames[3]="dca"; fCandidateVariableNames[4]="costhsD0"; fCandidateVariableNames[5]="costhsD0bar";
736 fCandidateVariableNames[6]="ptk"; fCandidateVariableNames[7]="ptpi";
737 fCandidateVariableNames[8]="d0k"; fCandidateVariableNames[9]="d0pi"; fCandidateVariableNames[10]="d0xd0";
738 fCandidateVariableNames[11]="costhp"; fCandidateVariableNames[12]="costhpxy";
739 fCandidateVariableNames[13]="lxy"; fCandidateVariableNames[14]="specialcuts";
740 for(Int_t ivar=0; ivar<nVar; ivar++){
741 fVariablesTree->Branch(fCandidateVariableNames[ivar].Data(),&fCandidateVariables[ivar],Form("%s/d",fCandidateVariableNames[ivar].Data()));
745 PostData(1,fOutputMass);
747 PostData(3,fNentries);
748 PostData(5,fCounter);
749 PostData(6,fOutputMassPt);
750 PostData(7,fVariablesTree);
755 //________________________________________________________________________
756 void AliAnalysisTaskSED0Mass::UserExec(Option_t */*option*/)
758 // Execute analysis for current event:
759 // heavy flavor candidates association to MC truth
760 //cout<<"I'm in UserExec"<<endl;
764 // printf(" |M-MD0| [GeV] < %f\n",fD0toKpiCuts[0]);
765 // printf(" dca [cm] < %f\n",fD0toKpiCuts[1]);
766 // printf(" cosThetaStar < %f\n",fD0toKpiCuts[2]);
767 // printf(" pTK [GeV/c] > %f\n",fD0toKpiCuts[3]);
768 // printf(" pTpi [GeV/c] > %f\n",fD0toKpiCuts[4]);
769 // printf(" |d0K| [cm] < %f\n",fD0toKpiCuts[5]);
770 // printf(" |d0pi| [cm] < %f\n",fD0toKpiCuts[6]);
771 // printf(" d0d0 [cm^2] < %f\n",fD0toKpiCuts[7]);
772 // printf(" cosThetaPoint > %f\n",fD0toKpiCuts[8]);
775 AliAODEvent *aod = dynamic_cast<AliAODEvent*> (InputEvent());
778 if(fArray==0){ //D0 candidates
779 // load D0->Kpi candidates
780 //cout<<"D0 candidates"<<endl;
782 } else { //LikeSign candidates
783 // load like sign candidates
784 //cout<<"LS candidates"<<endl;
785 bname="LikeSign2Prong";
788 TClonesArray *inputArray=0;
790 if(!aod && AODEvent() && IsStandardAOD()) {
791 // In case there is an AOD handler writing a standard AOD, use the AOD
792 // event in memory rather than the input (ESD) event.
793 aod = dynamic_cast<AliAODEvent*> (AODEvent());
794 // in this case the braches in the deltaAOD (AliAOD.VertexingHF.root)
795 // have to taken from the AOD event hold by the AliAODExtension
796 AliAODHandler* aodHandler = (AliAODHandler*)
797 ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
799 if(aodHandler->GetExtensions()) {
800 AliAODExtension *ext = (AliAODExtension*)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root");
801 AliAODEvent* aodFromExt = ext->GetAOD();
802 inputArray=(TClonesArray*)aodFromExt->GetList()->FindObject(bname.Data());
805 inputArray=(TClonesArray*)aod->GetList()->FindObject(bname.Data());
809 if(!inputArray || !aod) {
810 printf("AliAnalysisTaskSED0Mass::UserExec: input branch not found!\n");
814 // fix for temporary bug in ESDfilter
815 // the AODs with null vertex pointer didn't pass the PhysSel
816 if(!aod->GetPrimaryVertex() || TMath::Abs(aod->GetMagneticField())<0.001) return;
819 TClonesArray *mcArray = 0;
820 AliAODMCHeader *mcHeader = 0;
824 mcArray = (TClonesArray*)aod->GetList()->FindObject(AliAODMCParticle::StdBranchName());
826 printf("AliAnalysisTaskSED0Mass::UserExec: MC particles branch not found!\n");
831 mcHeader = (AliAODMCHeader*)aod->GetList()->FindObject(AliAODMCHeader::StdBranchName());
833 printf("AliAnalysisTaskSED0Mass::UserExec: MC header branch not found!\n");
838 //printf("VERTEX Z %f %f\n",vtx1->GetZ(),mcHeader->GetVtxZ());
840 //histogram filled with 1 for every AOD
842 fCounter->StoreEvent(aod,fCuts,fReadMC);
843 //fCounter->StoreEvent(aod,fReadMC);
845 // trigger class for PbPb C0SMH-B-NOPF-ALLNOTRD, C0SMH-B-NOPF-ALL
846 TString trigclass=aod->GetFiredTriggerClasses();
847 if(trigclass.Contains("C0SMH-B-NOPF-ALLNOTRD") || trigclass.Contains("C0SMH-B-NOPF-ALL")) fNentries->Fill(14);
849 if(!fCuts->IsEventSelected(aod)) {
850 if(fCuts->GetWhyRejection()==1) // rejected for pileup
852 if(fSys==1 && (fCuts->GetWhyRejection()==2 || fCuts->GetWhyRejection()==3)) fNentries->Fill(15);
853 if(fCuts->GetWhyRejection()==7) fNentries->Fill(17);
857 // Check the Nb of SDD clusters
858 if (fIsRejectSDDClusters) {
859 Bool_t skipEvent = kFALSE;
861 if (aod) ntracks = aod->GetNTracks();
862 for(Int_t itrack=0; itrack<ntracks; itrack++) { // loop on tacks
864 AliAODTrack * track = aod->GetTrack(itrack);
865 if(TESTBIT(track->GetITSClusterMap(),2) || TESTBIT(track->GetITSClusterMap(),3) ){
871 if (skipEvent) return;
874 // AOD primary vertex
875 AliAODVertex *vtx1 = (AliAODVertex*)aod->GetPrimaryVertex();
877 Bool_t isGoodVtx=kFALSE;
880 TString primTitle = vtx1->GetTitle();
881 if(primTitle.Contains("VertexerTracks") && vtx1->GetNContributors()>0) {
886 // loop over candidates
887 Int_t nInD0toKpi = inputArray->GetEntriesFast();
888 if(fDebug>2) printf("Number of D0->Kpi: %d\n",nInD0toKpi);
890 // FILE *f=fopen("4display.txt","a");
891 // fprintf(f,"Number of D0->Kpi: %d\n",nInD0toKpi);
892 Int_t nSelectedloose=0,nSelectedtight=0;
893 for (Int_t iD0toKpi = 0; iD0toKpi < nInD0toKpi; iD0toKpi++) {
894 AliAODRecoDecayHF2Prong *d = (AliAODRecoDecayHF2Prong*)inputArray->UncheckedAt(iD0toKpi);
896 if(d->GetSelectionMap()) if(!d->HasSelectionBit(AliRDHFCuts::kD0toKpiCuts)){
898 continue; //skip the D0 from Dstar
901 // Bool_t unsetvtx=kFALSE;
902 // if(!d->GetOwnPrimaryVtx()) {
903 // d->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
908 if ( fCuts->IsInFiducialAcceptance(d->Pt(),d->Y(421)) ) {
912 if(fCuts->IsSelected(d,AliRDHFCuts::kTracks,aod))fNentries->Fill(6);
914 Int_t ptbin=fCuts->PtBin(d->Pt());
915 if(ptbin==-1) {fNentries->Fill(4); continue;} //out of bounds
916 fIsSelectedCandidate=fCuts->IsSelected(d,AliRDHFCuts::kAll,aod); //selected
918 //if(!fCutOnDistr || (fCutOnDistr && fIsSelectedCandidate)) {
919 fDaughterTracks.AddAt((AliAODTrack*)d->GetDaughter(0),0);
920 fDaughterTracks.AddAt((AliAODTrack*)d->GetDaughter(1),1);
922 if(!fDaughterTracks.UncheckedAt(0) || !fDaughterTracks.UncheckedAt(1)) {
923 AliDebug(1,"at least one daughter not found!");
925 fDaughterTracks.Clear();
929 FillVarHists(aod,d,mcArray,fCuts,fDistr);
932 FillMassHists(d,mcArray,mcHeader,fCuts,fOutputMass);
935 fDaughterTracks.Clear();
936 //if(unsetvtx) d->UnsetOwnPrimaryVtx();
938 fCounter->StoreCandidates(aod,nSelectedloose,kTRUE);
939 fCounter->StoreCandidates(aod,nSelectedtight,kFALSE);
941 PostData(1,fOutputMass);
943 PostData(3,fNentries);
944 PostData(5,fCounter);
945 PostData(6,fOutputMassPt);
946 PostData(7,fVariablesTree);
951 //____________________________________________________________________________
952 void AliAnalysisTaskSED0Mass::FillVarHists(AliAODEvent* aod,AliAODRecoDecayHF2Prong *part, TClonesArray *arrMC, AliRDHFCutsD0toKpi *cuts, TList *listout){
954 // function used in UserExec to fill variable histograms:
958 Int_t pdgDgD0toKpi[2]={321,211};
960 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)
961 //Double_t pt = d->Pt(); //mother pt
962 Int_t isSelectedPID=3;
963 if(!fReadMC || (fReadMC && fUsePid4Distr)) isSelectedPID=cuts->IsSelectedPID(part); //0 rejected,1 D0,2 Dobar, 3 both
964 if (isSelectedPID==0)fNentries->Fill(7);
965 if (isSelectedPID==1)fNentries->Fill(8);
966 if (isSelectedPID==2)fNentries->Fill(9);
967 if (isSelectedPID==3)fNentries->Fill(10);
968 //fNentries->Fill(8+isSelectedPID);
970 if(fCutOnDistr && !fIsSelectedCandidate) return;
971 //printf("\nif no cuts or cuts passed\n");
977 Double_t mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
980 Double_t minvD0 = part->InvMassD0();
983 Double_t minvD0bar = part->InvMassD0bar();
984 //cout<<"inside mass cut"<<endl;
986 Double_t invmasscut=0.03;
988 TString fillthispi="",fillthisK="",fillthis="", fillthispt="";
990 Int_t ptbin=cuts->PtBin(part->Pt());
991 Double_t pt = part->Pt();
993 Double_t dz1[2],dz2[2],covar1[3],covar2[3];//,d0xd0proper,errd0xd0proper;
994 dz1[0]=-99; dz2[0]=-99;
996 Double_t decl[2]={-99,-99};
997 Bool_t recalcvtx=kFALSE;
1001 if(fCuts->GetIsPrimaryWithoutDaughters()){
1003 //recalculate vertex
1004 AliAODVertex *vtxProp=0x0;
1005 vtxProp=GetPrimaryVtxSkipped(aod);
1007 part->SetOwnPrimaryVtx(vtxProp);
1008 //Bool_t unsetvtx=kTRUE;
1009 //Calculate d0 for daughter tracks with Vtx Skipped
1010 AliESDtrack *esdtrack1=new AliESDtrack((AliVTrack*)fDaughterTracks.UncheckedAt(0));
1011 AliESDtrack *esdtrack2=new AliESDtrack((AliVTrack*)fDaughterTracks.UncheckedAt(1));
1012 esdtrack1->PropagateToDCA(vtxProp,aod->GetMagneticField(),1.,dz1,covar1);
1013 esdtrack2->PropagateToDCA(vtxProp,aod->GetMagneticField(),1.,dz2,covar2);
1014 delete vtxProp; vtxProp=NULL;
1022 decl[0]=part->DecayLength2();
1023 decl[1]=part->NormalizedDecayLength2();
1024 part->UnsetOwnPrimaryVtx();
1028 Double_t cosThetaStarD0 = 99;
1029 Double_t cosThetaStarD0bar = 99;
1030 Double_t cosPointingAngle = 99;
1031 Double_t normalizedDecayLength2 = -1, normalizedDecayLengthxy=-1;
1032 Double_t decayLength2 = -1, decayLengthxy=-1;
1033 Double_t ptProng[2]={-99,-99};
1034 Double_t d0Prong[2]={-99,-99};
1038 if(!fUsePid4Distr) isSelectedPID=0;
1039 if((lab>=0 && fReadMC) || (!fReadMC && isSelectedPID)){ //signal (from MC or PID)
1041 //check pdg of the prongs
1042 AliAODTrack *prong0=(AliAODTrack*)fDaughterTracks.UncheckedAt(0);
1043 AliAODTrack *prong1=(AliAODTrack*)fDaughterTracks.UncheckedAt(1);
1045 if(!prong0 || !prong1) {
1050 labprong[0]=prong0->GetLabel();
1051 labprong[1]=prong1->GetLabel();
1053 AliAODMCParticle *mcprong=0;
1054 Int_t pdgProng[2]={0,0};
1056 for (Int_t iprong=0;iprong<2;iprong++){
1057 if(fReadMC && labprong[iprong]>=0) {
1058 mcprong= (AliAODMCParticle*)arrMC->At(labprong[iprong]);
1059 pdgProng[iprong]=mcprong->GetPdgCode();
1064 //no mass cut ditributions: ptbis
1066 fillthispi="hptpiSnoMcut_";
1069 fillthisK="hptKSnoMcut_";
1072 if ((TMath::Abs(pdgProng[0]) == 211 && TMath::Abs(pdgProng[1]) == 321)
1073 || (isSelectedPID==1 || isSelectedPID==3)){
1074 ((TH1F*)listout->FindObject(fillthispi))->Fill(prong0->Pt());
1075 ((TH1F*)listout->FindObject(fillthisK))->Fill(prong1->Pt());
1078 if ((TMath::Abs(pdgProng[0]) == 321 && TMath::Abs(pdgProng[1]) == 211)
1079 || (isSelectedPID==2 || isSelectedPID==3)){
1080 ((TH1F*)listout->FindObject(fillthisK))->Fill(prong0->Pt());
1081 ((TH1F*)listout->FindObject(fillthispi))->Fill(prong1->Pt());
1085 //no mass cut ditributions: mass
1088 fillthispt="histSgnPt";
1090 if ((fReadMC && ((AliAODMCParticle*)arrMC->At(lab))->GetPdgCode() == 421)
1091 || (!fReadMC && (isSelectedPID==1 || isSelectedPID==3))){//D0
1092 ((TH1F*)listout->FindObject(fillthis))->Fill(minvD0);
1093 if(fFillPtHist && fReadMC) ((TH2F*)fOutputMassPt->FindObject(fillthispt))->Fill(minvD0,pt);
1096 if(fReadMC || (!fReadMC && isSelectedPID > 1)){
1097 ((TH1F*)listout->FindObject(fillthis))->Fill(minvD0bar);
1098 if(fFillPtHist && fReadMC) ((TH2F*)fOutputMassPt->FindObject(fillthispt))->Fill(minvD0bar,pt);
1102 //apply cut on invariant mass on the pair
1103 if(TMath::Abs(minvD0-mPDG)<invmasscut || TMath::Abs(minvD0bar-mPDG)<invmasscut){
1105 cosThetaStarD0 = part->CosThetaStarD0();
1106 cosThetaStarD0bar = part->CosThetaStarD0bar();
1107 cosPointingAngle = part->CosPointingAngle();
1108 normalizedDecayLength2 = part->NormalizedDecayLength2();
1109 decayLength2 = part->DecayLength2();
1110 decayLengthxy = part->DecayLengthXY();
1111 normalizedDecayLengthxy=decayLengthxy/part->DecayLengthXYError();
1113 ptProng[0]=prong0->Pt(); ptProng[1]=prong1->Pt();
1114 d0Prong[0]=part->Getd0Prong(0); d0Prong[1]=part->Getd0Prong(1);
1116 if(fArray==1) cout<<"LS signal: ERROR"<<endl;
1117 for (Int_t iprong=0; iprong<2; iprong++){
1118 AliAODTrack *prong=(AliAODTrack*)fDaughterTracks.UncheckedAt(iprong);
1119 if (fReadMC) labprong[iprong]=prong->GetLabel();
1121 //cout<<"prong name = "<<prong->GetName()<<" label = "<<prong->GetLabel()<<endl;
1123 if(fReadMC && labprong[iprong]>=0) {
1124 mcprong= (AliAODMCParticle*)arrMC->At(labprong[iprong]);
1125 pdgprong=mcprong->GetPdgCode();
1128 Bool_t isPionHere[2]={(isSelectedPID==1 || isSelectedPID==3) ? kTRUE : kFALSE,(isSelectedPID==2 || isSelectedPID==3) ? kTRUE : kFALSE};
1130 if(TMath::Abs(pdgprong)==211 || isPionHere[iprong]) {
1134 fillthispi="hptpiS_";
1136 ((TH1F*)listout->FindObject(fillthispi))->Fill(ptProng[iprong]);
1138 fillthispi="hd0piS_";
1140 ((TH1F*)listout->FindObject(fillthispi))->Fill(d0Prong[iprong]);
1143 fillthispi="hd0vpiS_";
1145 ((TH1F*)listout->FindObject(fillthispi))->Fill(d0[iprong]);
1150 if(TMath::Abs(pdgprong)==321 || !isPionHere[iprong]) {
1151 //cout<<"kappa"<<endl;
1155 ((TH1F*)listout->FindObject(fillthisK))->Fill(ptProng[iprong]);
1159 ((TH1F*)listout->FindObject(fillthisK))->Fill(d0Prong[iprong]);
1161 fillthisK="hd0vKS_";
1163 ((TH1F*)listout->FindObject(fillthisK))->Fill(d0[iprong]);
1168 fillthis="hcosthpointd0S_";
1170 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,d0Prong[iprong]);
1172 } //end loop on prongs
1176 ((TH1F*)listout->FindObject(fillthis))->Fill(part->GetDCA());
1178 fillthis="hcosthetapointS_";
1180 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle);
1182 fillthis="hcosthetapointxyS_";
1184 ((TH1F*)listout->FindObject(fillthis))->Fill(part->CosPointingAngleXY());
1189 ((TH1F*)listout->FindObject(fillthis))->Fill(part->Prodd0d0());
1193 ((TH1F*)listout->FindObject(fillthis))->Fill(decayLength2);
1195 fillthis="hnormdeclS_";
1197 ((TH1F*)listout->FindObject(fillthis))->Fill(normalizedDecayLength2);
1199 fillthis="hdeclxyS_";
1201 ((TH1F*)listout->FindObject(fillthis))->Fill(decayLengthxy);
1203 fillthis="hnormdeclxyS_";
1205 ((TH1F*)listout->FindObject(fillthis))->Fill(normalizedDecayLengthxy);
1207 fillthis="hdeclxyd0d0S_";
1209 ((TH2F*)listout->FindObject(fillthis))->Fill(decayLengthxy,d0Prong[0]*d0Prong[1]);
1211 fillthis="hnormdeclxyd0d0S_";
1213 ((TH2F*)listout->FindObject(fillthis))->Fill(normalizedDecayLengthxy,d0Prong[0]*d0Prong[1]);
1216 fillthis="hdeclvS_";
1218 ((TH1F*)listout->FindObject(fillthis))->Fill(decl[0]);
1220 fillthis="hnormdeclvS_";
1222 ((TH1F*)listout->FindObject(fillthis))->Fill(decl[1]);
1224 fillthis="hd0d0vS_";
1226 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[0]*d0[1]);
1230 fillthis="hcosthetastarS_";
1232 if ((fReadMC && ((AliAODMCParticle*)arrMC->At(lab))->GetPdgCode() == 421)) ((TH1F*)listout->FindObject(fillthis))->Fill(cosThetaStarD0);
1234 if (fReadMC || isSelectedPID>1)((TH1F*)listout->FindObject(fillthis))->Fill(cosThetaStarD0bar);
1235 if(isSelectedPID==1 || isSelectedPID==3)((TH1F*)listout->FindObject(fillthis))->Fill(cosThetaStarD0);
1238 fillthis="hcosthpointd0d0S_";
1240 ((TH2F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,part->Prodd0d0());
1245 } else{ //Background or LS
1247 //cout<<"is background"<<endl;
1249 //no mass cut distributions: mass, ptbis
1252 fillthispt="histBkgPt";
1254 if (!fCutOnDistr || (fCutOnDistr && (fIsSelectedCandidate==1 || fIsSelectedCandidate==3))) {
1255 ((TH1F*)listout->FindObject(fillthis))->Fill(minvD0);
1256 if(fFillPtHist && fReadMC) ((TH2F*)fOutputMassPt->FindObject(fillthispt))->Fill(minvD0,pt);
1258 if (!fCutOnDistr || (fCutOnDistr && fIsSelectedCandidate>1)) {
1259 ((TH1F*)listout->FindObject(fillthis))->Fill(minvD0bar);
1260 if(fFillPtHist && fReadMC) ((TH2F*)fOutputMassPt->FindObject(fillthispt))->Fill(minvD0bar,pt);
1263 fillthis="hptB1prongnoMcut_";
1266 ((TH1F*)listout->FindObject(fillthis))->Fill(((AliAODTrack*)fDaughterTracks.UncheckedAt(0))->Pt());
1268 fillthis="hptB2prongsnoMcut_";
1270 ((TH1F*)listout->FindObject(fillthis))->Fill(((AliAODTrack*)fDaughterTracks.UncheckedAt(0))->Pt());
1271 ((TH1F*)listout->FindObject(fillthis))->Fill(((AliAODTrack*)fDaughterTracks.UncheckedAt(0))->Pt());
1273 //apply cut on invariant mass on the pair
1274 if(TMath::Abs(minvD0-mPDG)<invmasscut || TMath::Abs(minvD0bar-mPDG)<invmasscut){
1276 ptProng[0]=((AliAODTrack*)fDaughterTracks.UncheckedAt(0))->Pt(); ptProng[1]=((AliAODTrack*)fDaughterTracks.UncheckedAt(0))->Pt();
1277 cosThetaStarD0 = part->CosThetaStarD0();
1278 cosThetaStarD0bar = part->CosThetaStarD0bar();
1281 cosPointingAngle = part->CosPointingAngle();
1282 normalizedDecayLength2 = part->NormalizedDecayLength2();
1283 decayLength2 = part->DecayLength2();
1284 decayLengthxy = part->DecayLengthXY();
1285 normalizedDecayLengthxy=decayLengthxy/part->DecayLengthXYError();
1286 d0Prong[0]=part->Getd0Prong(0); d0Prong[1]=part->Getd0Prong(1);
1289 AliAODTrack *prongg=(AliAODTrack*)fDaughterTracks.UncheckedAt(0);
1291 if(fDebug>2) cout<<"No daughter found";
1296 if(prongg->Charge()==1) {
1297 //fTotPosPairs[ptbin]++;
1298 ((TH1F*)fOutputMass->FindObject("hpospair"))->Fill(ptbin);
1300 //fTotNegPairs[ptbin]++;
1301 ((TH1F*)fOutputMass->FindObject("hnegpair"))->Fill(ptbin);
1308 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[0]);
1309 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[1]);
1312 Int_t pdgMother[2]={0,0};
1313 Double_t factor[2]={1,1};
1315 for(Int_t iprong=0;iprong<2;iprong++){
1316 AliAODTrack *prong=(AliAODTrack*)fDaughterTracks.UncheckedAt(iprong);
1317 lab=prong->GetLabel();
1319 AliAODMCParticle* mcprong=(AliAODMCParticle*)arrMC->At(lab);
1321 Int_t labmom=mcprong->GetMother();
1323 AliAODMCParticle* mcmother=(AliAODMCParticle*)arrMC->At(labmom);
1324 if(mcmother) pdgMother[iprong]=mcmother->GetPdgCode();
1331 fillthis="hd0moresB_";
1334 if(TMath::Abs(pdgMother[iprong])==310 || TMath::Abs(pdgMother[iprong])==130 || TMath::Abs(pdgMother[iprong])==321){ //K^0_S, K^0_L, K^+-
1335 if(ptProng[iprong]<=1)factor[iprong]=1./.7;
1336 else factor[iprong]=1./.6;
1337 fNentries->Fill(11);
1340 if(TMath::Abs(pdgMother[iprong])==3122) { //Lambda
1341 factor[iprong]=1./0.25;
1342 fNentries->Fill(12);
1344 fillthis="hd0moresB_";
1347 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[iprong],factor[iprong]);
1350 fillthis="hd0vmoresB_";
1352 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[iprong],factor[iprong]);
1358 fillthis="hd0d0moresB_";
1360 ((TH1F*)listout->FindObject(fillthis))->Fill(part->Prodd0d0(),factor[0]*factor[1]);
1362 fillthis="hcosthetapointmoresB_";
1364 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,factor[0]*factor[1]);
1367 fillthis="hd0d0vmoresB_";
1369 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[0]*d0[1],factor[0]*factor[1]);
1375 //normalise pt distr to half afterwards
1378 ((TH1F*)listout->FindObject(fillthis))->Fill(ptProng[0]);
1379 ((TH1F*)listout->FindObject(fillthis))->Fill(ptProng[1]);
1381 fillthis="hcosthetastarB_";
1383 if (!fCutOnDistr || (fCutOnDistr && (fIsSelectedCandidate==1 || fIsSelectedCandidate==3)))((TH1F*)listout->FindObject(fillthis))->Fill(cosThetaStarD0);
1384 if (!fCutOnDistr || (fCutOnDistr && fIsSelectedCandidate>1))((TH1F*)listout->FindObject(fillthis))->Fill(cosThetaStarD0bar);
1389 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[0]);
1392 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[1]);
1394 fillthis="hcosthpointd0d0B_";
1396 ((TH2F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,part->Prodd0d0());
1398 fillthis="hcosthpointd0B_";
1400 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,d0Prong[0]);
1401 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle,d0Prong[1]);
1406 fillthis="hd0vp0B_";
1408 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[0]);
1409 fillthis="hd0vp1B_";
1411 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[1]);
1415 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[0]);
1416 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[1]);
1424 ((TH1F*)listout->FindObject(fillthis))->Fill(part->GetDCA());
1428 ((TH1F*)listout->FindObject(fillthis))->Fill(d0Prong[0]*d0Prong[1]);
1431 fillthis="hd0d0vB_";
1433 ((TH1F*)listout->FindObject(fillthis))->Fill(d0[0]*d0[1]);
1436 fillthis="hcosthetapointB_";
1438 ((TH1F*)listout->FindObject(fillthis))->Fill(cosPointingAngle);
1440 fillthis="hcosthetapointxyB_";
1442 ((TH1F*)listout->FindObject(fillthis))->Fill(part->CosPointingAngleXY());
1446 ((TH1F*)listout->FindObject(fillthis))->Fill(decayLength2);
1448 fillthis="hnormdeclB_";
1450 ((TH1F*)listout->FindObject(fillthis))->Fill(normalizedDecayLength2);
1452 fillthis="hdeclxyB_";
1454 ((TH1F*)listout->FindObject(fillthis))->Fill(decayLengthxy);
1456 fillthis="hnormdeclxyB_";
1458 ((TH1F*)listout->FindObject(fillthis))->Fill(normalizedDecayLengthxy);
1460 fillthis="hdeclxyd0d0B_";
1462 ((TH2F*)listout->FindObject(fillthis))->Fill(decayLengthxy,d0Prong[0]*d0Prong[1]);
1464 fillthis="hnormdeclxyd0d0B_";
1466 ((TH2F*)listout->FindObject(fillthis))->Fill(normalizedDecayLengthxy,d0Prong[0]*d0Prong[1]);
1470 fillthis="hdeclvB_";
1472 ((TH1F*)listout->FindObject(fillthis))->Fill(decl[0]);
1474 fillthis="hnormdeclvB_";
1476 ((TH1F*)listout->FindObject(fillthis))->Fill(decl[1]);
1481 }//else (background)
1486 //____________________________________________________________________________
1487 void AliAnalysisTaskSED0Mass::FillMassHists(AliAODRecoDecayHF2Prong *part, TClonesArray *arrMC, AliAODMCHeader *mcHeader, AliRDHFCutsD0toKpi* cuts, TList *listout){
1489 // function used in UserExec to fill mass histograms:
1493 Double_t mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
1495 //cout<<"is selected = "<<fIsSelectedCandidate<<endl;
1497 // Fill candidate variable Tree (track selection, no candidate selection)
1498 if( fWriteVariableTree && !part->HasBadDaughters()
1499 && fCuts->AreDaughtersSelected(part) && fCuts->IsSelectedPID(part) ){
1500 fCandidateVariables[0] = part->InvMassD0();
1501 fCandidateVariables[1] = part->InvMassD0bar();
1502 fCandidateVariables[2] = part->Pt();
1503 fCandidateVariables[3] = part->GetDCA();
1504 Double_t ctsD0=0. ,ctsD0bar=0.; part->CosThetaStarD0(ctsD0,ctsD0bar);
1505 fCandidateVariables[4] = ctsD0;
1506 fCandidateVariables[5] = ctsD0bar;
1507 fCandidateVariables[6] = part->Pt2Prong(0);
1508 fCandidateVariables[7] = part->Pt2Prong(1);
1509 fCandidateVariables[8] = part->Getd0Prong(0);
1510 fCandidateVariables[9] = part->Getd0Prong(1);
1511 fCandidateVariables[10] = part->Prodd0d0();
1512 fCandidateVariables[11] = part->CosPointingAngle();
1513 fCandidateVariables[12] = part->CosPointingAngleXY();
1514 fCandidateVariables[13] = part->NormalizedDecayLengthXY();
1515 fCandidateVariables[14] = fCuts->IsSelectedSpecialCuts(part);
1516 fVariablesTree->Fill();
1519 //cout<<"check cuts = "<<endl;
1521 if (!fIsSelectedCandidate){
1522 //cout<<"Not Selected"<<endl;
1523 //cout<<"Rejected because "<<cuts->GetWhy()<<endl;
1528 if(fDebug>2) cout<<"Candidate selected"<<endl;
1530 Double_t invmassD0 = part->InvMassD0(), invmassD0bar = part->InvMassD0bar();
1531 //printf("SELECTED\n");
1532 Int_t ptbin=cuts->PtBin(part->Pt());
1533 Double_t pt = part->Pt();
1535 Double_t impparXY=part->ImpParXY()*10000.;
1536 Double_t trueImpParXY=0.;
1537 Double_t arrayForSparse[3]={invmassD0,pt,impparXY};
1538 Double_t arrayForSparseTrue[3]={invmassD0,pt,trueImpParXY};
1541 // AliAODTrack *prong=(AliAODTrack*)fDaughterTracks.UncheckedAt(0);
1543 // AliDebug(2,"No daughter found");
1547 // if(prong->Charge()==1) {
1548 // ((TH1F*)fDistr->FindObject("hpospair"))->Fill(fCuts->GetNPtBins()+ptbin);
1549 // //fTotPosPairs[ptbin]++;
1551 // ((TH1F*)fDistr->FindObject("hnegpair"))->Fill(fCuts->GetNPtBins()+ptbin);
1552 // //fTotNegPairs[ptbin]++;
1556 // for(Int_t it=0;it<2;it++){
1558 // //request on spd points to be addes
1559 // if(/*nSPD==2 && */part->Pt() > 5. && (TMath::Abs(invmassD0-mPDG)<0.01 || TMath::Abs(invmassD0bar-mPDG)<0.01)){
1560 // FILE *f=fopen("4display.txt","a");
1561 // 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());
1563 // //printf("PrimVtx NContributors: %d \n Prongs Rel Angle: %f \n \n",ncont,relangle);
1567 TString fillthis="", fillthispt="", fillthismasspt="";
1568 Int_t pdgDgD0toKpi[2]={321,211};
1570 Bool_t isPrimary=kTRUE;
1571 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)
1573 //count candidates selected by cuts
1575 //count true D0 selected by cuts
1576 if (fReadMC && labD0>=0) fNentries->Fill(2);
1578 if ((fIsSelectedCandidate==1 || fIsSelectedCandidate==3) && fFillOnlyD0D0bar<2) { //D0
1580 arrayForSparse[0]=invmassD0; arrayForSparse[2]=impparXY;
1584 if(fArray==1) cout<<"LS signal ERROR"<<endl;
1586 AliAODMCParticle *partD0 = (AliAODMCParticle*)arrMC->At(labD0);
1587 Int_t pdgD0 = partD0->GetPdgCode();
1588 // cout<<"pdg = "<<pdgD0<<endl;
1590 if(CheckOrigin(arrMC,partD0)==5) isPrimary=kFALSE;
1592 trueImpParXY=GetTrueImpactParameter(mcHeader,arrMC,partD0)*10000.;
1593 arrayForSparseTrue[0]=invmassD0; arrayForSparseTrue[2]=trueImpParXY;
1595 if (pdgD0==421){ //D0
1596 // cout<<"Fill S with D0"<<endl;
1597 fillthis="histSgn_";
1599 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0);
1602 fillthismasspt="histSgnPt";
1603 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0,pt);
1605 if(fFillImpParHist){
1606 if(isPrimary) fHistMassPtImpParTC[1]->Fill(arrayForSparse);
1608 fHistMassPtImpParTC[2]->Fill(arrayForSparse);
1609 fHistMassPtImpParTC[3]->Fill(arrayForSparseTrue);
1614 if(TMath::Abs(invmassD0 - mPDG) < 0.027 && fFillVarHists){
1615 fillthis="histSgn27_";
1617 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0);
1620 } else{ //it was a D0bar
1621 fillthis="histRfl_";
1623 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0);
1626 fillthismasspt="histRflPt";
1627 // cout << " Filling "<<fillthismasspt<<" D0bar"<<endl;
1628 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0,pt);
1632 } else {//background
1633 fillthis="histBkg_";
1635 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0);
1638 fillthismasspt="histBkgPt";
1639 // cout << " Filling "<<fillthismasspt<<" D0bar"<<endl;
1640 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0,pt);
1642 if(fFillImpParHist) fHistMassPtImpParTC[4]->Fill(arrayForSparse);
1647 fillthis="histMass_";
1649 // cout<<"Filling "<<fillthis<<endl;
1651 // printf("Fill mass with D0");
1652 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0);
1655 fillthismasspt="histMassPt";
1656 // cout<<"Filling "<<fillthismasspt<<endl;
1657 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0,pt);
1659 if(fFillImpParHist) {
1660 // cout << "Filling fHistMassPtImpParTC[0]"<<endl;
1661 fHistMassPtImpParTC[0]->Fill(arrayForSparse);
1667 if (fIsSelectedCandidate>1 && (fFillOnlyD0D0bar==0 || fFillOnlyD0D0bar==2)) { //D0bar
1669 arrayForSparse[0]=invmassD0bar; arrayForSparse[2]=impparXY;
1673 if(fArray==1) cout<<"LS signal ERROR"<<endl;
1674 AliAODMCParticle *partD0 = (AliAODMCParticle*)arrMC->At(labD0);
1675 Int_t pdgD0 = partD0->GetPdgCode();
1676 // cout<<" pdg = "<<pdgD0<<endl;
1678 if(CheckOrigin(arrMC,partD0)==5) isPrimary=kFALSE;
1680 trueImpParXY=GetTrueImpactParameter(mcHeader,arrMC,partD0)*10000.;
1681 arrayForSparseTrue[0]=invmassD0bar; arrayForSparseTrue[2]=trueImpParXY;
1683 if (pdgD0==-421){ //D0bar
1684 fillthis="histSgn_";
1686 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0bar);
1687 // if (TMath::Abs(invmassD0bar - mPDG) < 0.027){
1688 // fillthis="histSgn27_";
1690 // ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0bar);
1694 fillthismasspt="histSgnPt";
1695 // cout<<" Filling "<< fillthismasspt << endl;
1696 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0bar,pt);
1698 if(fFillImpParHist){
1699 // cout << " Filling impact parameter thnsparse"<<endl;
1700 if(isPrimary) fHistMassPtImpParTC[1]->Fill(arrayForSparse);
1702 fHistMassPtImpParTC[2]->Fill(arrayForSparse);
1703 fHistMassPtImpParTC[3]->Fill(arrayForSparseTrue);
1708 fillthis="histRfl_";
1710 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0bar);
1712 fillthismasspt="histRflPt";
1713 // cout << " Filling "<<fillthismasspt<<endl;
1714 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0bar,pt);
1717 } else {//background or LS
1718 fillthis="histBkg_";
1720 ((TH1F*)(listout->FindObject(fillthis)))->Fill(invmassD0bar);
1723 fillthismasspt="histBkgPt";
1724 // cout<<" Filling "<< fillthismasspt << endl;
1725 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0bar,pt);
1727 if(fFillImpParHist) fHistMassPtImpParTC[4]->Fill(arrayForSparse);
1731 fillthis="histMass_";
1733 // printf("Fill mass with D0bar");
1734 ((TH1F*)listout->FindObject(fillthis))->Fill(invmassD0bar);
1737 fillthismasspt="histMassPt";
1738 // cout<<" Filling "<< fillthismasspt << endl;
1739 ((TH2F*)(fOutputMassPt->FindObject(fillthismasspt)))->Fill(invmassD0bar,pt);
1741 if(fFillImpParHist) fHistMassPtImpParTC[0]->Fill(arrayForSparse);
1749 //__________________________________________________________________________
1750 AliAODVertex* AliAnalysisTaskSED0Mass::GetPrimaryVtxSkipped(AliAODEvent *aodev){
1751 //Calculate the primary vertex w/o the daughter tracks of the candidate
1754 Int_t nTrksToSkip=2;
1755 AliAODTrack *dgTrack = (AliAODTrack*)fDaughterTracks.UncheckedAt(0);
1757 AliDebug(2,"no daughter found!");
1760 skipped[0]=dgTrack->GetID();
1761 dgTrack = (AliAODTrack*)fDaughterTracks.UncheckedAt(1);
1763 AliDebug(2,"no daughter found!");
1766 skipped[1]=dgTrack->GetID();
1768 AliESDVertex *vertexESD=0x0;
1769 AliAODVertex *vertexAOD=0x0;
1770 AliVertexerTracks *vertexer = new AliVertexerTracks(aodev->GetMagneticField());
1773 vertexer->SetSkipTracks(nTrksToSkip,skipped);
1774 vertexer->SetMinClusters(4);
1775 vertexESD = (AliESDVertex*)vertexer->FindPrimaryVertex(aodev);
1776 if(!vertexESD) return vertexAOD;
1777 if(vertexESD->GetNContributors()<=0) {
1778 AliDebug(2,"vertexing failed");
1779 delete vertexESD; vertexESD=NULL;
1783 delete vertexer; vertexer=NULL;
1786 // convert to AliAODVertex
1787 Double_t pos[3],cov[6],chi2perNDF;
1788 vertexESD->GetXYZ(pos); // position
1789 vertexESD->GetCovMatrix(cov); //covariance matrix
1790 chi2perNDF = vertexESD->GetChi2toNDF();
1791 delete vertexESD; vertexESD=NULL;
1793 vertexAOD = new AliAODVertex(pos,cov,chi2perNDF);
1799 //________________________________________________________________________
1800 void AliAnalysisTaskSED0Mass::Terminate(Option_t */*option*/)
1802 // Terminate analysis
1804 if(fDebug > 1) printf("AnalysisTaskSED0Mass: Terminate() \n");
1807 fOutputMass = dynamic_cast<TList*> (GetOutputData(1));
1809 printf("ERROR: fOutputMass not available\n");
1812 fOutputMassPt = dynamic_cast<TList*> (GetOutputData(6));
1813 if ((fFillPtHist || fFillImpParHist) && !fOutputMassPt) {
1814 printf("ERROR: fOutputMass not available\n");
1819 fDistr = dynamic_cast<TList*> (GetOutputData(2));
1821 printf("ERROR: fDistr not available\n");
1826 fNentries = dynamic_cast<TH1F*>(GetOutputData(3));
1829 printf("ERROR: fNEntries not available\n");
1832 fCuts = dynamic_cast<AliRDHFCutsD0toKpi*>(GetOutputData(4));
1834 printf("ERROR: fCuts not available\n");
1837 fCounter = dynamic_cast<AliNormalizationCounter*>(GetOutputData(5));
1839 printf("ERROR: fCounter not available\n");
1842 Int_t nptbins=fCuts->GetNPtBins();
1843 for(Int_t ipt=0;ipt<nptbins;ipt++){
1845 if(fArray==1 && fFillVarHists){
1846 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
1849 if(fLsNormalization>1e-6) {
1851 TString massName="histMass_";
1853 ((TH1F*)fOutputMass->FindObject(massName))->Scale((1/fLsNormalization)*((TH1F*)fOutputMass->FindObject(massName))->GetEntries());
1858 fLsNormalization = 2.*TMath::Sqrt(((TH1F*)fOutputMass->FindObject("hpospair"))->Integral(ipt+1,ipt+2)*((TH1F*)fOutputMass->FindObject("hnegpair"))->Integral(ipt+1,ipt+2));
1859 //fLsNormalization = 2.*TMath::Sqrt(fTotPosPairs[4]*fTotNegPairs[4]);
1861 if(fLsNormalization>1e-6) {
1863 TString nameDistr="hptB_";
1865 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1868 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1869 nameDistr="hcosthetastarB_";
1871 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1874 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1875 nameDistr="hd0d0B_";
1877 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1878 nameDistr="hcosthetapointB_";
1880 ((TH1F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH1F*)fDistr->FindObject(nameDistr))->GetEntries());
1882 nameDistr="hcosthpointd0d0B_";
1884 ((TH2F*)fDistr->FindObject(nameDistr))->Scale((1/fLsNormalization)*((TH2F*)fDistr->FindObject(nameDistr))->GetEntries());
1889 TString cvname,cstname;
1899 TCanvas *cMass=new TCanvas(cvname,cvname);
1901 ((TH1F*)fOutputMass->FindObject("histMass_3"))->Draw();
1903 TCanvas* cStat=new TCanvas(cstname,Form("Stat%s",fArray ? "LS" : "D0"));
1906 fNentries->Draw("htext0");
1908 // TCanvas *ccheck=new TCanvas(Form("cc%d",fArray),Form("cc%d",fArray));
1915 //________________________________________________________________________
1916 void AliAnalysisTaskSED0Mass::CreateImpactParameterHistos(){
1917 // Histos for impact paramter study
1919 Int_t nmassbins=200;
1920 Double_t fLowmasslimit=1.5648, fUpmasslimit=2.1648;
1921 Int_t fNImpParBins=400;
1922 Double_t fLowerImpPar=-2000., fHigherImpPar=2000.;
1923 Int_t nbins[3]={nmassbins,200,fNImpParBins};
1924 Double_t xmin[3]={fLowmasslimit,0.,fLowerImpPar};
1925 Double_t xmax[3]={fUpmasslimit,20.,fHigherImpPar};
1928 fHistMassPtImpParTC[0]=new THnSparseF("hMassPtImpParAll",
1929 "Mass vs. pt vs.imppar - All",
1931 fHistMassPtImpParTC[1]=new THnSparseF("hMassPtImpParPrompt",
1932 "Mass vs. pt vs.imppar - promptD",
1934 fHistMassPtImpParTC[2]=new THnSparseF("hMassPtImpParBfeed",
1935 "Mass vs. pt vs.imppar - DfromB",
1937 fHistMassPtImpParTC[3]=new THnSparseF("hMassPtImpParTrueBfeed",
1938 "Mass vs. pt vs.true imppar -DfromB",
1940 fHistMassPtImpParTC[4]=new THnSparseF("hMassPtImpParBkg",
1941 "Mass vs. pt vs.imppar - backgr.",
1944 for(Int_t i=0; i<5;i++){
1945 fOutputMassPt->Add(fHistMassPtImpParTC[i]);
1949 //_________________________________________________________________________________________________
1950 Float_t AliAnalysisTaskSED0Mass::GetTrueImpactParameter(AliAODMCHeader *mcHeader, TClonesArray* arrayMC, AliAODMCParticle *partD0) const {
1951 // true impact parameter calculation
1953 printf(" AliAnalysisTaskSED0MassV1::GetTrueImpactParameter() \n");
1955 Double_t vtxTrue[3];
1956 mcHeader->GetVertex(vtxTrue);
1958 partD0->XvYvZv(origD);
1959 Short_t charge=partD0->Charge();
1960 Double_t pXdauTrue[2],pYdauTrue[2],pZdauTrue[2];
1961 for(Int_t iDau=0; iDau<2; iDau++){
1967 // Int_t nDau=partD0->GetNDaughters();
1968 Int_t labelFirstDau = partD0->GetDaughter(0);
1970 for(Int_t iDau=0; iDau<2; iDau++){
1971 Int_t ind = labelFirstDau+iDau;
1972 AliAODMCParticle* part = dynamic_cast<AliAODMCParticle*>(arrayMC->At(ind));
1974 Int_t pdgCode = TMath::Abs( part->GetPdgCode() );
1976 AliError("Daughter particle not found in MC array");
1979 if(pdgCode==211 || pdgCode==321){
1980 pXdauTrue[iDau]=part->Px();
1981 pYdauTrue[iDau]=part->Py();
1982 pZdauTrue[iDau]=part->Pz();
1986 Double_t d0dummy[2]={0.,0.};
1987 AliAODRecoDecayHF aodDzeroMC(vtxTrue,origD,2,charge,pXdauTrue,pYdauTrue,pZdauTrue,d0dummy);
1988 return aodDzeroMC.ImpParXY();
1992 //_________________________________________________________________________________________________
1993 Int_t AliAnalysisTaskSED0Mass::CheckOrigin(TClonesArray* arrayMC, AliAODMCParticle *mcPartCandidate) const {
1995 // checking whether the mother of the particles come from a charm or a bottom quark
1997 printf(" AliAnalysisTaskSED0MassV1::CheckOrigin() \n");
1999 Int_t pdgGranma = 0;
2001 mother = mcPartCandidate->GetMother();
2003 Int_t abspdgGranma =0;
2004 Bool_t isFromB=kFALSE;
2005 Bool_t isQuarkFound=kFALSE;
2008 AliAODMCParticle* mcGranma = dynamic_cast<AliAODMCParticle*>(arrayMC->At(mother));
2010 pdgGranma = mcGranma->GetPdgCode();
2011 abspdgGranma = TMath::Abs(pdgGranma);
2012 if ((abspdgGranma > 500 && abspdgGranma < 600) || (abspdgGranma > 5000 && abspdgGranma < 6000)){
2015 if(abspdgGranma==4 || abspdgGranma==5) isQuarkFound=kTRUE;
2016 mother = mcGranma->GetMother();
2018 AliError("Failed casting the mother particle!");
2023 if(isFromB) return 5;