AliAnalysisTaskSEDs.cxx

Go to the documentation of this file.

/**************************************************************************
 * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

//                                                               //
//  Analysis task to produce Ds candidates mass spectra          //
// Origin: F.Prino, Torino, prino@to.infn.it                     //
//                                                               //

#include <TClonesArray.h>
#include <TNtuple.h>
#include <TList.h>
#include <TString.h>
#include <TH1F.h>
#include <TMath.h>
#include <THnSparse.h>
#include <TDatabasePDG.h>
#include <Riostream.h>

#include "AliAnalysisManager.h"
#include "AliAODHandler.h"
#include "AliAODEvent.h"
#include "AliAODVertex.h"
#include "AliAODTrack.h"
#include "AliAODMCHeader.h"
#include "AliAODMCParticle.h"
#include "AliAODRecoDecay.h"
#include "AliAODRecoDecayHF3Prong.h"
#include "AliAnalysisVertexingHF.h"
#include "AliRDHFCutsDstoKKpi.h"
#include "AliAnalysisTaskSE.h"
#include "AliNormalizationCounter.h"
#include "AliAnalysisTaskSEDs.h"
#include "AliVertexingHFUtils.h"

ClassImp(AliAnalysisTaskSEDs);

//________________________________________________________________________
AliAnalysisTaskSEDs::AliAnalysisTaskSEDs():
AliAnalysisTaskSE(),
fOutput(0),
fHistNEvents(0),
fPtVsMass(0),
fPtVsMassPhi(0),
fPtVsMassK0st(0),
fYVsPt(0),
fYVsPtSig(0),
fNtupleDs(0),
fFillNtuple(0),
fReadMC(kFALSE),
fWriteOnlySignal(kFALSE),
fDoCutVarHistos(kTRUE),
fUseSelectionBit(kFALSE),
fFillSparse(kTRUE),
fNPtBins(0),
fListCuts(0),
fMassRange(0.8),
fMassBinSize(0.002),
fCounter(0),
fAnalysisCuts(0),
fnSparse(0),
fnSparseIP(0)
{
  
  for(Int_t i=0;i<3;i++){
    fHistCentrality[i]=0;
    fHistCentralityMult[i]=0;
  }
  for(Int_t i=0;i<4;i++) {
    fChanHist[i]=0;
  }
  for(Int_t i=0;i<4*kMaxPtBins;i++){
    fPtCandHist[i]=0;
    fMassHist[i]=0;
    fMassHistPhi[i]=0;
    fMassHistK0st[i]=0;
    fCosPHist[i]=0;
    fDLenHist[i]=0;
    fSumd02Hist[i]=0;
    fSigVertHist[i]=0;
    fPtMaxHist[i]=0;
    fDCAHist[i]=0;
    fPtProng0Hist[i]=0;
    fPtProng1Hist[i]=0;
    fPtProng2Hist[i]=0;
    fDalitz[i]=0;
    fDalitzPhi[i]=0;
    fDalitzK0st[i]=0;
  }
  for(Int_t i=0;i<kMaxPtBins;i++){
    fMassHistKK[i]=0;
    fMassHistKpi[i]=0;
  }
  for(Int_t i=0;i<kMaxPtBins+1;i++){
    fPtLimits[i]=0;
  }
  for (Int_t i=0; i<4; i++) {
    fnSparseMC[i]=0;
  }
}

//________________________________________________________________________
AliAnalysisTaskSEDs::AliAnalysisTaskSEDs(const char *name,AliRDHFCutsDstoKKpi* analysiscuts,Int_t fillNtuple):
AliAnalysisTaskSE(name),
fOutput(0),
fHistNEvents(0),
fPtVsMass(0),
fPtVsMassPhi(0),
fPtVsMassK0st(0),
fYVsPt(0),
fYVsPtSig(0),
fNtupleDs(0),
fFillNtuple(fillNtuple),
fReadMC(kFALSE),
fWriteOnlySignal(kFALSE),
fDoCutVarHistos(kTRUE),
fUseSelectionBit(kFALSE),
fFillSparse(kTRUE),
fNPtBins(0),
fListCuts(0),
fMassRange(0.8),
fMassBinSize(0.002),
fCounter(0),
fAnalysisCuts(analysiscuts),
fnSparse(0),
fnSparseIP(0)
{
  
  for(Int_t i=0;i<3;i++){
    fHistCentrality[i]=0;
    fHistCentralityMult[i]=0;
  }
  for(Int_t i=0;i<4;i++) {
    fChanHist[i]=0;
  }
  for(Int_t i=0;i<4*kMaxPtBins;i++){
    fPtCandHist[i]=0;
    fMassHist[i]=0;
    fMassHistPhi[i]=0;
    fMassHistK0st[i]=0;
    fCosPHist[i]=0;
    fDLenHist[i]=0;
    fSumd02Hist[i]=0;
    fSigVertHist[i]=0;
    fPtMaxHist[i]=0;
    fDCAHist[i]=0;
    fPtProng0Hist[i]=0;
    fPtProng1Hist[i]=0;
    fPtProng2Hist[i]=0;
    fDalitz[i]=0;
    fDalitzPhi[i]=0;
    fDalitzK0st[i]=0;
  }
  for(Int_t i=0;i<kMaxPtBins;i++){
    fMassHistKK[i]=0;
    fMassHistKpi[i]=0;
  }
  for(Int_t i=0;i<kMaxPtBins+1;i++){
    fPtLimits[i]=0;
  }
  
  for (Int_t i=0; i<4; i++) {
    fnSparseMC[i]=0;
  }
  
  Int_t nptbins=fAnalysisCuts->GetNPtBins();
  Float_t *ptlim=fAnalysisCuts->GetPtBinLimits();
  SetPtBins(nptbins,ptlim);
  
  DefineOutput(1,TList::Class());  //My private output
  
  DefineOutput(2,TList::Class());
  
  DefineOutput(3,AliNormalizationCounter::Class());
  
  if(fFillNtuple>0){
    // Output slot #4 writes into a TNtuple container
    DefineOutput(4,TNtuple::Class());  //My private output
  }
  
}

//________________________________________________________________________
void AliAnalysisTaskSEDs::SetPtBins(Int_t n, Float_t* lim){
  if(n>kMaxPtBins){
    printf("Max. number of Pt bins = %d\n",kMaxPtBins);
    fNPtBins=kMaxPtBins;
    fPtLimits[0]=0.;
    fPtLimits[1]=1.;
    fPtLimits[2]=3.;
    fPtLimits[3]=5.;
    fPtLimits[4]=10.;
    for(Int_t i=5; i<kMaxPtBins+1; i++) fPtLimits[i]=99999999.;
  }else{
    fNPtBins=n;
    for(Int_t i=0; i<fNPtBins+1; i++) fPtLimits[i]=lim[i];
    for(Int_t i=fNPtBins+1; i<kMaxPtBins+1; i++) fPtLimits[i]=99999999.;
  }
  if(fDebug > 1){
    printf("Number of Pt bins = %d\n",fNPtBins);
    for(Int_t i=0; i<fNPtBins; i++) printf(" Bin%d = %8.2f-%8.2f\n",i,fPtLimits[i],fPtLimits[i+1]);
  }
}
//________________________________________________________________________
AliAnalysisTaskSEDs::~AliAnalysisTaskSEDs()
{
  // Destructor
  if(fOutput && !fOutput->IsOwner()){
    delete fHistNEvents;
    for(Int_t i=0;i<4;i++){
      delete fChanHist[i];
    }
    for(Int_t i=0;i<4*fNPtBins;i++){
      delete fMassHist[i];
      delete fMassHistPhi[i];
      delete fMassHistK0st[i];
      delete fCosPHist[i];
      delete fDLenHist[i];
      delete fSumd02Hist[i];
      delete fSigVertHist[i];
      delete fPtMaxHist[i];
      delete fPtCandHist[i];
      delete fDCAHist[i];
      delete fPtProng0Hist[i];
      delete fPtProng1Hist[i];
      delete fPtProng2Hist[i];
      delete fDalitz[i];
      delete fDalitzPhi[i];
      delete fDalitzK0st[i];
    }
    for(Int_t i=0;i<fNPtBins;i++){
      delete fMassHistKK[i];
      delete fMassHistKpi[i];
    }
    delete fPtVsMass;
    delete fPtVsMassPhi;
    delete fPtVsMassK0st;
    delete fYVsPt;
    delete fYVsPtSig;
    for(Int_t i=0;i<3;i++){
      delete fHistCentrality[i];
      delete fHistCentralityMult[i];
    }
    
    delete fnSparse;
    delete fnSparseIP;
    for (Int_t i=0; i<4; i++) {
      delete fnSparseMC[i];
    }
  }
  delete fOutput;
  delete fListCuts;
  delete fNtupleDs;
  delete fCounter;
  delete fAnalysisCuts;
  
}

//________________________________________________________________________
void AliAnalysisTaskSEDs::Init()
{
  
  if(fDebug > 1) printf("AnalysisTaskSEDs::Init() \n");
  
  fListCuts=new TList();
  fListCuts->SetOwner();
  fListCuts->SetName("CutObjects");
  
  AliRDHFCutsDstoKKpi *analysis = new AliRDHFCutsDstoKKpi(*fAnalysisCuts);
  analysis->SetName("AnalysisCuts");
  
  fListCuts->Add(analysis);
  PostData(2,fListCuts);
  return;
}

//________________________________________________________________________
void AliAnalysisTaskSEDs::UserCreateOutputObjects()
{
  //
  if(fDebug > 1) printf("AnalysisTaskSEDs::UserCreateOutputObjects() \n");
  
  // Several histograms are more conveniently managed in a TList
  fOutput = new TList();
  fOutput->SetOwner();
  fOutput->SetName("OutputHistos");
  
  fHistNEvents = new TH1F("hNEvents", "number of events ",13,-0.5,12.5);
  fHistNEvents->GetXaxis()->SetBinLabel(1,"nEventsAnal");
  fHistNEvents->GetXaxis()->SetBinLabel(2,"n. passing IsEvSelected");
  fHistNEvents->GetXaxis()->SetBinLabel(3,"n. rejected due to trigger");
  fHistNEvents->GetXaxis()->SetBinLabel(4,"n. rejected due to not reco vertex");
  fHistNEvents->GetXaxis()->SetBinLabel(5,"n. rejected for contr vertex");
  fHistNEvents->GetXaxis()->SetBinLabel(6,"n. rejected for vertex out of accept");
  fHistNEvents->GetXaxis()->SetBinLabel(7,"n. rejected for pileup events");
  fHistNEvents->GetXaxis()->SetBinLabel(8,"no. of out centrality events");
  fHistNEvents->GetXaxis()->SetBinLabel(9,"no. of 3 prong candidates");
  fHistNEvents->GetXaxis()->SetBinLabel(10,"no. of Ds after filtering cuts");
  fHistNEvents->GetXaxis()->SetBinLabel(11,"no. of Ds after selection cuts");
  fHistNEvents->GetXaxis()->SetBinLabel(12,"no. of not on-the-fly rec Ds");

  fHistNEvents->GetXaxis()->SetNdivisions(1,kFALSE);
  
  fHistNEvents->Sumw2();
  fHistNEvents->SetMinimum(0);
  fOutput->Add(fHistNEvents);
  
  fHistCentrality[0]=new TH1F("hCentr","centrality",10000,0.,100.);
  fHistCentrality[1]=new TH1F("hCentr(selectedCent)","centrality(selectedCent)",10000,0.,100.);
  fHistCentrality[2]=new TH1F("hCentr(OutofCent)","centrality(OutofCent)",10000,0.,100.);
  fHistCentralityMult[0]=new TH2F("hCentrMult","centrality vs mult",100,0.5,30000.5,40,0.,100.);
  fHistCentralityMult[1]=new TH2F("hCentrMult(selectedCent)","centrality vs mult(selectedCent)",100,0.5,30000.5,40,0.,100.);
  fHistCentralityMult[2]=new TH2F("hCentrMult(OutofCent)","centrality vs mult(OutofCent)",100,0.5,30000.5,40,0.,100.);
  for(Int_t i=0;i<3;i++){
    fHistCentrality[i]->Sumw2();
    fOutput->Add(fHistCentrality[i]);
    fHistCentralityMult[i]->Sumw2();
    fOutput->Add(fHistCentralityMult[i]);
  }
  
  Double_t massDs=TDatabasePDG::Instance()->GetParticle(431)->Mass();
  
  Int_t nInvMassBins=(Int_t)(fMassRange/fMassBinSize+0.5);
  if(nInvMassBins%2==1) nInvMassBins++;
  // Double_t minMass=massDs-1.0*nInvMassBins*fMassBinSize;
  Double_t minMass=massDs-0.5*nInvMassBins*fMassBinSize;
  //  Double_t maxMass=massDs+1.0*nInvMassBins*fMassBinSize;
  Double_t maxMass=massDs+0.5*nInvMassBins*fMassBinSize;
  
  TString hisname;
  TString htype;
  Int_t index;
  for(Int_t iType=0; iType<4; iType++){
    for(Int_t i=0;i<fNPtBins;i++){
      if(iType==0){
        htype="All";
        index=GetHistoIndex(i);
      }else if(iType==1){
        htype="Sig";
        index=GetSignalHistoIndex(i);
      }else if(iType==2){
        htype="Bkg";
        index=GetBackgroundHistoIndex(i);
      }else{
        htype="ReflSig";
        index=GetReflSignalHistoIndex(i);
      }
      hisname.Form("hMass%sPt%d",htype.Data(),i);
      fMassHist[index]=new TH1F(hisname.Data(),hisname.Data(),nInvMassBins,minMass,maxMass);
      fMassHist[index]->Sumw2();
      hisname.Form("hMass%sPt%dphi",htype.Data(),i);
      fMassHistPhi[index]=new TH1F(hisname.Data(),hisname.Data(),nInvMassBins,minMass,maxMass);
      fMassHistPhi[index]->Sumw2();
      hisname.Form("hMass%sPt%dk0st",htype.Data(),i);
      fMassHistK0st[index]=new TH1F(hisname.Data(),hisname.Data(),nInvMassBins,minMass,maxMass);
      fMassHistK0st[index]->Sumw2();
      hisname.Form("hCosP%sPt%d",htype.Data(),i);
      fCosPHist[index]=new TH1F(hisname.Data(),hisname.Data(),100,0.5,1.);
      fCosPHist[index]->Sumw2();
      hisname.Form("hDLen%sPt%d",htype.Data(),i);
      fDLenHist[index]=new TH1F(hisname.Data(),hisname.Data(),100,0.,0.5);
      fDLenHist[index]->Sumw2();
      hisname.Form("hSumd02%sPt%d",htype.Data(),i);
      fSumd02Hist[index]=new TH1F(hisname.Data(),hisname.Data(),100,0.,1.);
      fSumd02Hist[index]->Sumw2();
      hisname.Form("hSigVert%sPt%d",htype.Data(),i);
      fSigVertHist[index]=new TH1F(hisname.Data(),hisname.Data(),100,0.,0.1);
      fSigVertHist[index]->Sumw2();
      hisname.Form("hPtMax%sPt%d",htype.Data(),i);
      fPtMaxHist[index]=new TH1F(hisname.Data(),hisname.Data(),100,0.5,20.);
      fPtMaxHist[index]->Sumw2();
      hisname.Form("hPtCand%sPt%d",htype.Data(),i);
      fPtCandHist[index]=new TH1F(hisname.Data(),hisname.Data(),100,0.5,20.);
      fPtCandHist[index]->Sumw2();
      hisname.Form("hDCA%sPt%d",htype.Data(),i);
      fDCAHist[index]=new TH1F(hisname.Data(),hisname.Data(),100,0.,0.1);
      fDCAHist[index]->Sumw2();
      hisname.Form("hPtProng0%sPt%d",htype.Data(),i);
      fPtProng0Hist[index]=new TH1F(hisname.Data(),hisname.Data(),100,0.0,20.);
      fPtProng0Hist[index]->Sumw2();
      hisname.Form("hPtProng1%sPt%d",htype.Data(),i);
      fPtProng1Hist[index]=new TH1F(hisname.Data(),hisname.Data(),100,0.0,20.);
      fPtProng1Hist[index]->Sumw2();
      hisname.Form("hPtProng2%sPt%d",htype.Data(),i);
      fPtProng2Hist[index]=new TH1F(hisname.Data(),hisname.Data(),100,0.0,20.);
      fPtProng2Hist[index]->Sumw2();
      hisname.Form("hDalitz%sPt%d",htype.Data(),i);
      fDalitz[index]=new TH2F(hisname.Data(),hisname.Data(),100,0.,2.,100,0.,2.);
      fDalitz[index]->Sumw2();
      hisname.Form("hDalitz%sPt%dphi",htype.Data(),i);
      fDalitzPhi[index]=new TH2F(hisname.Data(),hisname.Data(),100,0.,2.,100,0.,2.);
      fDalitzPhi[index]->Sumw2();
      hisname.Form("hDalitz%sPt%dk0st",htype.Data(),i);
      fDalitzK0st[index]=new TH2F(hisname.Data(),hisname.Data(),100,0.,2.,100,0.,2.);
      fDalitzK0st[index]->Sumw2();
    }
  }
  
  for(Int_t i=0; i<4*fNPtBins; i++){
    fOutput->Add(fMassHist[i]);
    fOutput->Add(fMassHistPhi[i]);
    fOutput->Add(fMassHistK0st[i]);
    fOutput->Add(fPtCandHist[i]);
    if(fDoCutVarHistos){
      fOutput->Add(fCosPHist[i]);
      fOutput->Add(fDLenHist[i]);
      fOutput->Add(fSumd02Hist[i]);
      fOutput->Add(fSigVertHist[i]);
      fOutput->Add(fPtMaxHist[i]);
      fOutput->Add(fDCAHist[i]);
      fOutput->Add(fPtProng0Hist[i]);
      fOutput->Add(fPtProng1Hist[i]);
      fOutput->Add(fPtProng2Hist[i]);
      fOutput->Add(fDalitz[i]);
      fOutput->Add(fDalitzPhi[i]);
      fOutput->Add(fDalitzK0st[i]);
    }
  }
  
  fChanHist[0] = new TH1F("hChanAll", "KKpi and piKK candidates",64,-0.5,63.5);
  fChanHist[1] = new TH1F("hChanSig", "KKpi and piKK candidates",64,-0.5,63.5);
  fChanHist[2] = new TH1F("hChanBkg", "KKpi and piKK candidates",64,-0.5,63.5);
  fChanHist[3] = new TH1F("hChanReflSig", "KKpi and piKK candidates",64,-0.5,63.5);
  for(Int_t i=0;i<4;i++){
    fChanHist[i]->Sumw2();
    fChanHist[i]->SetMinimum(0);
    fOutput->Add(fChanHist[i]);
  }
  
  
  fPtVsMass=new TH2F("hPtVsMass","PtVsMass (prod. cuts)",nInvMassBins,minMass,maxMass,40,0.,20.);
  fPtVsMassPhi=new TH2F("hPtVsMassPhi","PtVsMass (phi selection)",nInvMassBins,minMass,maxMass,200,0.,20.);
  fPtVsMassK0st=new TH2F("hPtVsMassK0st","PtVsMass (K0* selection)",nInvMassBins,minMass,maxMass,200,0.,20.);
  fYVsPt=new TH2F("hYVsPt","YvsPt (prod. cuts)",40,0.,20.,80,-2.,2.);
  fYVsPtSig=new TH2F("hYVsPtSig","YvsPt (MC, only sig., prod. cuts)",40,0.,20.,80,-2.,2.);
  
  for(Int_t i=0;i<fNPtBins;i++){
    hisname.Form("hMassKKPt%d",i);
    fMassHistKK[i]=new TH1F(hisname.Data(),hisname.Data(),200,0.95,1.35);
    fMassHistKK[i]->Sumw2();
    fOutput->Add(fMassHistKK[i]);
    hisname.Form("hMassKpiPt%d",i);
    fMassHistKpi[i]=new TH1F(hisname.Data(),hisname.Data(),200,0.7,1.1);
    fMassHistKpi[i]->Sumw2();
    fOutput->Add(fMassHistKpi[i]);
  }
  
  fOutput->Add(fPtVsMass);
  fOutput->Add(fPtVsMassPhi);
  fOutput->Add(fPtVsMassK0st);
  fOutput->Add(fYVsPt);
  fOutput->Add(fYVsPtSig);
  
  const Int_t nvarsReco = 16;
  const Int_t nvarsAcc  = 2;
  Int_t nBinsReco[nvarsReco] = {500,20,60,1000,1000,500,500,50,50,100,100,100,400,400,400,400};
  Int_t nBinsAcc[nvarsAcc]   = {100,20};
  Double_t xminAcc[nvarsAcc] = {0.,-1.};
  Double_t xmaxAcc[nvarsAcc] = {100.,1.};
  Double_t xminReco[nvarsReco] = {1.5,0.,0.,0.,0.,0.,0.,0.5,0.5,0.,0.,0.,-10.,-10.,-10.,-10.};
  Double_t xmaxReco[nvarsReco] = {2.5,20.,0.03,5.,5.,500.,500.,1.,1.,0.1,1.,1.,10.,10.,10.,10.};
  TString axis[nvarsReco] = {"invMassAllPhi","p_{T}","#Delta Mass(KK)","dlen","dlen_{xy}","normdl","normdl_{xy}","cosP","cosP_{xy}",
                             "sigVert","cosPiDs","|cosPiKPhi^{3}|","normIP","normIP_kaon1","normIP_kaon2","normIP_pion"};
 
  const Int_t nvarsIP = 6;
  Int_t nBinsIP[nvarsIP]   = {20,400,400,400,400,3};
  Double_t xminIP[nvarsIP] = {0.,-10.,-10.,-10.,-10.,0.};
  Double_t xmaxIP[nvarsIP] = {20.,10.,10.,10.,10.,3.};
  TString axisIP[nvarsIP]  = {"motherPt","maxNormImp","IP0","IP1","IP2","candType"};
  
  if(fFillSparse) {
    
    if(fReadMC) {
      TString label[nvarsAcc] = {"fromC","fromB"};
      for (Int_t i=0; i<2; i++) {
        fnSparseMC[i] = new THnSparseF(Form("fnSparseAcc_%s",label[i].Data()),Form("MC nSparse (Acc.Step)- %s",label[i].Data()),
                                       nvarsAcc, nBinsAcc, xminAcc, xmaxAcc);
        fnSparseMC[i]->GetAxis(0)->SetTitle("p_{T} (GeV/c)");
        fnSparseMC[i]->GetAxis(1)->SetTitle("y");
        fOutput->Add(fnSparseMC[i]);
      }
      for (Int_t i=2; i<4; i++) {
        fnSparseMC[i] = new THnSparseF(Form("fnSparseReco_%s",label[i-2].Data()),Form("MC nSparse (Reco Step)- %s",label[i-2].Data()),
                                       nvarsReco, nBinsReco, xminReco, xmaxReco);
        for (Int_t j=0; j<nvarsReco; j++) {
          fnSparseMC[i]->GetAxis(j)->SetTitle(Form("%s",axis[j].Data()));
        }
        fOutput->Add(fnSparseMC[i]);
      }
      
      fnSparseIP = new THnSparseF("fnSparseIP","nSparseIP", nvarsIP, nBinsIP, xminIP, xmaxIP);
      for (Int_t j=0; j<nvarsIP; j++) {
        fnSparseIP->GetAxis(j)->SetTitle(Form("%s",axisIP[j].Data()));
      }
      fnSparseIP->GetAxis(5)->SetTitle("candType (0.5=bkg; 1.5=prompt; 2.5=FD)");
      fOutput->Add(fnSparseIP);
    }
    else {
      fnSparse = new THnSparseF("fnSparse","nSparse", nvarsReco, nBinsReco, xminReco, xmaxReco);
      for (Int_t j=0; j<nvarsReco; j++) {
        fnSparse->GetAxis(j)->SetTitle(Form("%s",axis[j].Data()));
      }
      fOutput->Add(fnSparse);
    }
  }
  
  //Counter for Normalization
  fCounter = new AliNormalizationCounter("NormalizationCounter");
  fCounter->Init();
  
  PostData(1,fOutput);
  PostData(3,fCounter);
  
  if(fFillNtuple>0){
    OpenFile(4); // 4 is the slot number of the ntuple
    
    fNtupleDs = new TNtuple("fNtupleDs","Ds","labDs:retcode:pdgcode0:Pt0:Pt1:Pt2:PtRec:P0:P1:P2:PidTrackBit0:PidTrackBit1:PidTrackBit2:PointingAngle:PointingAngleXY:DecLeng:DecLengXY:NorDecLeng:NorDecLengXY:InvMassKKpi:InvMasspiKK:sigvert:d00:d01:d02:dca:d0square:InvMassPhiKKpi:InvMassPhipiKK:InvMassK0starKKpi:InvMassK0starpiKK:cosinePiDsFrameKKpi:cosinePiDsFramepiKK:cosineKPhiFrameKKpi:cosineKPhiFramepiKK:centrality:runNumber");
    
  }
  
  
  return;
}

//________________________________________________________________________
void AliAnalysisTaskSEDs::UserExec(Option_t */*option*/)
{
  
  AliAODEvent *aod = dynamic_cast<AliAODEvent*> (InputEvent());
  
  TClonesArray *array3Prong = 0;
  if(!aod && AODEvent() && IsStandardAOD()) {
    // In case there is an AOD handler writing a standard AOD, use the AOD
    // event in memory rather than the input (ESD) event.
    aod = dynamic_cast<AliAODEvent*> (AODEvent());
    // in this case the braches in the deltaAOD (AliAOD.VertexingHF.root)
    // have to taken from the AOD event hold by the AliAODExtension
    AliAODHandler* aodHandler = (AliAODHandler*)
    ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
    if(aodHandler->GetExtensions()) {
      AliAODExtension *ext = (AliAODExtension*)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root");
      AliAODEvent *aodFromExt = ext->GetAOD();
      array3Prong=(TClonesArray*)aodFromExt->GetList()->FindObject("Charm3Prong");
    }
  } else if(aod) {
    array3Prong=(TClonesArray*)aod->GetList()->FindObject("Charm3Prong");
  }
  
  if(!aod || !array3Prong) {
    printf("AliAnalysisTaskSEDs::UserExec: Charm3Prong branch not found!\n");
    return;
  }
  
  
  // fix for temporary bug in ESDfilter
  // the AODs with null vertex pointer didn't pass the PhysSel
  if(!aod->GetPrimaryVertex() || TMath::Abs(aod->GetMagneticField())<0.001) return;
  
  
  fHistNEvents->Fill(0); // count event
  // Post the data already here
  PostData(1,fOutput);
  
  fCounter->StoreEvent(aod,fAnalysisCuts,fReadMC);
  
  
  Bool_t isEvSel=fAnalysisCuts->IsEventSelected(aod);
  Float_t ntracks=aod->GetNumberOfTracks();
  Float_t evCentr=fAnalysisCuts->GetCentrality(aod);
  
  fHistCentrality[0]->Fill(evCentr);
  fHistCentralityMult[0]->Fill(ntracks,evCentr);
  if(fAnalysisCuts->IsEventRejectedDueToTrigger())fHistNEvents->Fill(2);
  if(fAnalysisCuts->IsEventRejectedDueToNotRecoVertex())fHistNEvents->Fill(3);
  if(fAnalysisCuts->IsEventRejectedDueToVertexContributors())fHistNEvents->Fill(4);
  if(fAnalysisCuts->IsEventRejectedDueToZVertexOutsideFiducialRegion())fHistNEvents->Fill(5);
  if(fAnalysisCuts->IsEventRejectedDueToPileup())fHistNEvents->Fill(6);
  if(fAnalysisCuts->IsEventRejectedDueToCentrality()){
    fHistNEvents->Fill(7);
    fHistCentrality[2]->Fill(evCentr);
    fHistCentralityMult[2]->Fill(ntracks,evCentr);
  }
  
  Float_t centrality=fAnalysisCuts->GetCentrality(aod);
  Int_t runNumber=aod->GetRunNumber();
  
  
  
  TClonesArray *arrayMC=0;
  AliAODMCHeader *mcHeader=0;
  
  // AOD primary vertex
  AliAODVertex *vtx1 = (AliAODVertex*)aod->GetPrimaryVertex();
  //    vtx1->Print();
  
  // load MC particles
  if(fReadMC){
    
    arrayMC =  (TClonesArray*)aod->GetList()->FindObject(AliAODMCParticle::StdBranchName());
    if(!arrayMC) {
      printf("AliAnalysisTaskSEDs::UserExec: MC particles branch not found!\n");
      return;
    }
    
    // load MC header
    mcHeader =  (AliAODMCHeader*)aod->GetList()->FindObject(AliAODMCHeader::StdBranchName());
    if(!mcHeader) {
      printf("AliAnalysisTaskSEDs::UserExec: MC header branch not found!\n");
      return;
    }
  }
  
  
  if(fReadMC && fFillSparse){
    if(aod->GetTriggerMask()==0 && (runNumber>=195344 && runNumber<=195677))
      // protection for events with empty trigger mask in p-Pb
      return;
    if(fAnalysisCuts->GetUseCentrality()>0 && fAnalysisCuts->IsEventSelectedInCentrality(aod)!=0)
      // events not passing the centrality selection can be removed immediately.
      return;
    Double_t zMCVertex = mcHeader->GetVtxZ();
    if (TMath::Abs(zMCVertex) > fAnalysisCuts->GetMaxVtxZ())
      return;
    FillMCGenAccHistos(arrayMC, mcHeader);
  }
  
  if(!isEvSel)return;
  fHistNEvents->Fill(1);
  fHistCentrality[1]->Fill(evCentr);
  fHistCentralityMult[1]->Fill(ntracks,evCentr);
  
  Int_t n3Prong = array3Prong->GetEntriesFast();
  if(fDebug>1) printf("Number of Ds->KKpi: %d\n",n3Prong);
  
  
  Int_t pdgDstoKKpi[3]={321,321,211};
  Int_t nSelected=0;
  Int_t nFiltered=0;
  Double_t massPhi=TDatabasePDG::Instance()->GetParticle(333)->Mass();

  // vHF object is needed to call the method that refills the missing info of the candidates
  // if they have been deleted in dAOD reconstruction phase
  // in order to reduce the size of the file
  AliAnalysisVertexingHF *vHF=new AliAnalysisVertexingHF();

  for (Int_t i3Prong = 0; i3Prong < n3Prong; i3Prong++) {
    
    AliAODRecoDecayHF3Prong *d = (AliAODRecoDecayHF3Prong*)array3Prong->UncheckedAt(i3Prong);
    fHistNEvents->Fill(8);
    
    if(fUseSelectionBit && !(d->HasSelectionBit(AliRDHFCuts::kDsCuts))){
      continue;
    }
    nFiltered++;
    fHistNEvents->Fill(9);
  
    if(!(vHF->FillRecoCand(aod,d))) {
      fHistNEvents->Fill(18); //monitor how often this fails 
      continue;
    }

    Bool_t unsetvtx=kFALSE;
    if(!d->GetOwnPrimaryVtx()){
      d->SetOwnPrimaryVtx(vtx1);
      unsetvtx=kTRUE;
    }
    
    Bool_t recVtx=kFALSE;
    AliAODVertex *origownvtx=0x0;
    
    Double_t ptCand = d->Pt();
    Int_t iPtBin=TMath::BinarySearch(fNPtBins,fPtLimits,(Float_t)ptCand);
    Double_t rapid=d->YDs();
    fYVsPt->Fill(ptCand,rapid);
    Bool_t isFidAcc=fAnalysisCuts->IsInFiducialAcceptance(ptCand,rapid);
    
    if(!isFidAcc) continue;
    
    Int_t retCodeAnalysisCuts=fAnalysisCuts->IsSelected(d,AliRDHFCuts::kAll,aod);
    Int_t retCodeNoRes=retCodeAnalysisCuts;
    Bool_t origRes=fAnalysisCuts->IsCutOnResonancesApplied();
    if(origRes){
      fAnalysisCuts->ApplyCutOnResonances(kFALSE);
      retCodeNoRes=fAnalysisCuts->IsSelected(d,AliRDHFCuts::kAll,aod);
      fAnalysisCuts->ApplyCutOnResonances(origRes);
    }
    Double_t massKK = 0.;
    
    if(retCodeNoRes&1){ //KKpi
      massKK=d->InvMass2Prongs(0,1,321,321);
      Double_t massKp=d->InvMass2Prongs(1,2,321,211);
      fMassHistKK[iPtBin]->Fill(massKK);
      fMassHistKpi[iPtBin]->Fill(massKp);
    }
    if(retCodeNoRes&2){ //piKK
      massKK=d->InvMass2Prongs(1,2,321,321);
      Double_t massKp=d->InvMass2Prongs(0,1,211,321);
      fMassHistKK[iPtBin]->Fill(massKK);
      fMassHistKpi[iPtBin]->Fill(massKp);
    }
    
    Int_t isKKpi=retCodeAnalysisCuts&1;
    Int_t ispiKK=retCodeAnalysisCuts&2;
    Int_t isPhiKKpi=retCodeAnalysisCuts&4;
    Int_t isPhipiKK=retCodeAnalysisCuts&8;
    Int_t isK0starKKpi=retCodeAnalysisCuts&16;
    Int_t isK0starpiKK=retCodeAnalysisCuts&32;
    
    if(retCodeAnalysisCuts<=0) continue;
    if(fAnalysisCuts->GetIsPrimaryWithoutDaughters()){
      if(d->GetOwnPrimaryVtx()) origownvtx=new AliAODVertex(*d->GetOwnPrimaryVtx());
      if(fAnalysisCuts->RecalcOwnPrimaryVtx(d,aod))recVtx=kTRUE;
      else fAnalysisCuts->CleanOwnPrimaryVtx(d,aod,origownvtx);
    }
    
    
    fHistNEvents->Fill(10);
    nSelected++;
    
    Int_t index=GetHistoIndex(iPtBin);
    fPtCandHist[index]->Fill(ptCand);
    
    
    Double_t weightKKpi=1.;
    Double_t weightpiKK=1.;
    if(fAnalysisCuts->GetPidOption()==AliRDHFCutsDstoKKpi::kBayesianWeights){
      weightKKpi=fAnalysisCuts->GetWeightForKKpi();
      weightpiKK=fAnalysisCuts->GetWeightForpiKK();
      if(weightKKpi>1. || weightKKpi<0.) weightKKpi=0.;
      if(weightpiKK>1. || weightpiKK<0.) weightpiKK=0.;
    }
    
    fChanHist[0]->Fill(retCodeAnalysisCuts);
    

    Double_t invMass = 0.;
    Int_t indexMCKKpi=-1;
    Int_t indexMCpiKK=-1;
    Int_t labDs=-1;
    Int_t pdgCode0=-999;
    Int_t isMCSignal=-1;
    
    
    if(fReadMC){
      
      labDs = d->MatchToMC(431,arrayMC,3,pdgDstoKKpi);
      if(labDs>=0){
        Int_t labDau0=((AliAODTrack*)d->GetDaughter(0))->GetLabel();
        AliAODMCParticle* p=(AliAODMCParticle*)arrayMC->UncheckedAt(TMath::Abs(labDau0));
        pdgCode0=TMath::Abs(p->GetPdgCode());
        
        if(isKKpi){
          if(pdgCode0==321) {
            indexMCKKpi=GetSignalHistoIndex(iPtBin);
            fYVsPtSig->Fill(ptCand,rapid);
            fChanHist[1]->Fill(retCodeAnalysisCuts);
            isMCSignal=1;
          }else{
            indexMCKKpi=GetReflSignalHistoIndex(iPtBin);
            fChanHist[3]->Fill(retCodeAnalysisCuts);
            isMCSignal=0;
          }
        }
        if(ispiKK){
          if(pdgCode0==211) {
            indexMCpiKK=GetSignalHistoIndex(iPtBin);
            fYVsPtSig->Fill(ptCand,rapid);
            fChanHist[1]->Fill(retCodeAnalysisCuts);
            isMCSignal=1;
          }else{
            indexMCpiKK=GetReflSignalHistoIndex(iPtBin);
            fChanHist[3]->Fill(retCodeAnalysisCuts);
            isMCSignal=0;
          }
        }
      }else{
        indexMCpiKK=GetBackgroundHistoIndex(iPtBin);
        indexMCKKpi=GetBackgroundHistoIndex(iPtBin);
        fChanHist[2]->Fill(retCodeAnalysisCuts);
      }
    }

    Double_t candType = 0.5; //for bkg
    
    if(isKKpi){
      invMass=d->InvMassDsKKpi();
      fMassHist[index]->Fill(invMass,weightKKpi);
      fPtVsMass->Fill(invMass,ptCand,weightKKpi);
      if(isPhiKKpi){
        fMassHistPhi[index]->Fill(invMass,weightKKpi);
        fPtVsMassPhi->Fill(invMass,ptCand,weightKKpi);
      }
      if(isK0starKKpi){
        fMassHistK0st[index]->Fill(invMass,weightKKpi);
        fPtVsMassK0st->Fill(invMass,ptCand,weightKKpi);
      }
      if(fReadMC  && indexMCKKpi!=-1){
        fMassHist[indexMCKKpi]->Fill(invMass,weightKKpi);
        if(isPhiKKpi) {
          fMassHistPhi[indexMCKKpi]->Fill(invMass,weightKKpi);
          if(fFillSparse) {
            if(indexMCKKpi==GetSignalHistoIndex(iPtBin)) {
              AliAODMCParticle *partDs = (AliAODMCParticle*)arrayMC->At(labDs);
              Int_t orig = AliVertexingHFUtils::CheckOrigin(arrayMC,partDs,kTRUE);
              if(orig==4) {
                candType = 1.5;
              }
              if(orig==5) {
                candType = 2.5;
              }
            }
          }
        }
        if(isK0starKKpi) fMassHistK0st[indexMCKKpi]->Fill(invMass,weightKKpi);
      }
    }
    if(ispiKK){
      invMass=d->InvMassDspiKK();
      fMassHist[index]->Fill(invMass,weightpiKK);
      fPtVsMass->Fill(invMass,ptCand,weightpiKK);
      if(isPhipiKK){
        fMassHistPhi[index]->Fill(invMass,weightpiKK);
        fPtVsMassPhi->Fill(invMass,ptCand,weightpiKK);
      }
      if(isK0starpiKK){
        fMassHistK0st[index]->Fill(invMass,weightpiKK);
        fPtVsMassK0st->Fill(invMass,ptCand,weightpiKK);
      }
      if(fReadMC  && indexMCpiKK!=-1){
        fMassHist[indexMCpiKK]->Fill(invMass,weightpiKK);
        if(isPhipiKK) {
         fMassHistPhi[indexMCpiKK]->Fill(invMass,weightpiKK);
          if(fFillSparse) {
            if(indexMCpiKK==GetSignalHistoIndex(iPtBin)) {
              AliAODMCParticle *partDs = (AliAODMCParticle*)arrayMC->At(labDs);
              Int_t orig = AliVertexingHFUtils::CheckOrigin(arrayMC,partDs,kTRUE);
              if(orig==4) {
                candType = 1.5;
              }
              if(orig==5) {
                candType = 2.5;
              }
            }
          }
        }
        if(isK0starpiKK) fMassHistK0st[indexMCpiKK]->Fill(invMass,weightpiKK);
      }
    }
    
    
    
    if(fFillSparse) {
      
      const Int_t nProng = 3;
      Double_t deltaMassKK=999.;
      Double_t dlen=d->DecayLength();
      Double_t dlenxy=d->DecayLengthXY();
      Double_t normdl=d->NormalizedDecayLength();
      Double_t normdlxy=d->NormalizedDecayLengthXY();
      Double_t cosp=d->CosPointingAngle();
      Double_t cospxy=d->CosPointingAngleXY();
      Double_t pt0=d->PtProng(0);
      Double_t pt1=d->PtProng(1);
      Double_t pt2=d->PtProng(2);
      Double_t sigvert=d->GetSigmaVert();
      Double_t cosPiDs=-99.;
      Double_t cosPiKPhi=-99.;
      Double_t normIP;                     //to store the maximum topomatic var. among the 3 prongs
      Double_t normIPprong[nProng];        //to store IP of k,k,pi
      if(isPhiKKpi) {
        Double_t tmpNormIP[nProng];
        
        invMass     = d->InvMassDsKKpi();
        massKK      = d->InvMass2Prongs(0,1,321,321);
        deltaMassKK = TMath::Abs(massKK-massPhi);
        cosPiDs     = d->CosPiDsLabFrameKKpi();
        cosPiKPhi   = d->CosPiKPhiRFrameKKpi();
        cosPiKPhi   = TMath::Abs(cosPiKPhi*cosPiKPhi*cosPiKPhi);
        
        for(Int_t ip=0; ip<nProng; ip++) {
          Double_t diffIP, errdiffIP;
          d->Getd0MeasMinusExpProng(ip,aod->GetMagneticField(),diffIP,errdiffIP);
          tmpNormIP[ip] = diffIP/errdiffIP;
          if(ip==0) normIP = tmpNormIP[ip];
          else if(TMath::Abs(tmpNormIP[ip])>TMath::Abs(normIP)) normIP = tmpNormIP[ip];
        }
        normIPprong[0] = tmpNormIP[0];
        normIPprong[1] = tmpNormIP[1];
        normIPprong[2] = tmpNormIP[2];
        
        Double_t var4nSparse[16] = {invMass,ptCand,deltaMassKK,dlen,dlenxy,normdl,normdlxy,cosp,cospxy,
          sigvert,cosPiDs,cosPiKPhi,normIP,normIPprong[0],normIPprong[1],normIPprong[2]};
        
        if(!fReadMC) {
          fnSparse->Fill(var4nSparse);
        }
        else {
          if(indexMCKKpi==GetSignalHistoIndex(iPtBin)) {
            if(candType==1.5) fnSparseMC[2]->Fill(var4nSparse);
            if(candType==2.5) fnSparseMC[3]->Fill(var4nSparse);
          }
        }
      }
      if(isPhipiKK) {
        Double_t tmpNormIP[nProng];
        
        invMass     = d->InvMassDspiKK();
        massKK      = d->InvMass2Prongs(1,2,321,321);
        deltaMassKK = TMath::Abs(massKK-massPhi);
        cosPiDs     = d->CosPiDsLabFramepiKK();
        cosPiKPhi   = d->CosPiKPhiRFramepiKK();
        cosPiKPhi   = TMath::Abs(cosPiKPhi*cosPiKPhi*cosPiKPhi);
        
        for(Int_t ip=0; ip<nProng; ip++) {
          Double_t diffIP, errdiffIP;
          d->Getd0MeasMinusExpProng(ip,aod->GetMagneticField(),diffIP,errdiffIP);
          tmpNormIP[ip] = diffIP/errdiffIP;
          if(ip==0) normIP = tmpNormIP[ip];
          else if(TMath::Abs(tmpNormIP[ip])>TMath::Abs(normIP)) normIP = tmpNormIP[ip];
        }
        
        normIPprong[0] = tmpNormIP[2];
        normIPprong[1] = tmpNormIP[1];
        normIPprong[2] = tmpNormIP[0];
        
        Double_t var4nSparse[16] = {invMass,ptCand,deltaMassKK,dlen,dlenxy,normdl,normdlxy,cosp,cospxy,
          sigvert,cosPiDs,cosPiKPhi,normIP,normIPprong[0],normIPprong[1],normIPprong[2]};
        
        if(!fReadMC) {
          fnSparse->Fill(var4nSparse);
        }
        else {
          if(indexMCpiKK==GetSignalHistoIndex(iPtBin)) {
            if(candType==1.5) fnSparseMC[2]->Fill(var4nSparse);
            if(candType==2.5) fnSparseMC[3]->Fill(var4nSparse);
          }
        }
      }
      
      if(fReadMC && (isPhiKKpi || isPhiKKpi)) {
        Double_t var[6] = {ptCand,normIP,normIPprong[0],normIPprong[1],normIPprong[2],candType};
        fnSparseIP->Fill(var);
      }
    }
    
    if(fDoCutVarHistos){
      Double_t dlen=d->DecayLength();
      Double_t cosp=d->CosPointingAngle();
      Double_t pt0=d->PtProng(0);
      Double_t pt1=d->PtProng(1);
      Double_t pt2=d->PtProng(2);
      Double_t sigvert=d->GetSigmaVert();
      Double_t sumD02=d->Getd0Prong(0)*d->Getd0Prong(0)+d->Getd0Prong(1)*d->Getd0Prong(1)+d->Getd0Prong(2)*d->Getd0Prong(2);
      Double_t dca=d->GetDCA();
      Double_t ptmax=0;
      for(Int_t i=0;i<3;i++){
        if(d->PtProng(i)>ptmax)ptmax=d->PtProng(i);
      }
      fCosPHist[index]->Fill(cosp);
      fDLenHist[index]->Fill(dlen);
      fSigVertHist[index]->Fill(sigvert);
      fSumd02Hist[index]->Fill(sumD02);
      fPtMaxHist[index]->Fill(ptmax);
      fDCAHist[index]->Fill(dca);
      fPtProng0Hist[index]->Fill(pt0);
      fPtProng1Hist[index]->Fill(pt1);
      fPtProng2Hist[index]->Fill(pt2);
      if(isKKpi){
        Double_t massKK=d->InvMass2Prongs(0,1,321,321);
        Double_t massKp=d->InvMass2Prongs(1,2,321,211);
        fDalitz[index]->Fill(massKK,massKp);
        if(isPhiKKpi) fDalitzPhi[index]->Fill(massKK,massKp);
        if(isK0starKKpi) fDalitzK0st[index]->Fill(massKK,massKp);
        if(fReadMC && indexMCKKpi!=-1){
          fDalitz[indexMCKKpi]->Fill(massKK,massKp);
          if(isPhiKKpi) fDalitzPhi[indexMCKKpi]->Fill(massKK,massKp);
          if(isK0starKKpi) fDalitzK0st[indexMCKKpi]->Fill(massKK,massKp);
          fCosPHist[indexMCKKpi]->Fill(cosp);
          fDLenHist[indexMCKKpi]->Fill(dlen);
          fSigVertHist[indexMCKKpi]->Fill(sigvert);
          fSumd02Hist[indexMCKKpi]->Fill(sumD02);
          fPtMaxHist[indexMCKKpi]->Fill(ptmax);
          fPtCandHist[indexMCKKpi]->Fill(ptCand);
          fDCAHist[indexMCKKpi]->Fill(dca);
          fPtProng0Hist[indexMCKKpi]->Fill(pt0);
          fPtProng1Hist[indexMCKKpi]->Fill(pt1);
          fPtProng2Hist[indexMCKKpi]->Fill(pt2);
        }
      }
      if(ispiKK){
        Double_t massKK=d->InvMass2Prongs(1,2,321,321);
        Double_t massKp=d->InvMass2Prongs(0,1,211,321);
        fDalitz[index]->Fill(massKK,massKp);
        if(isPhipiKK) fDalitzPhi[index]->Fill(massKK,massKp);
        if(isK0starpiKK) fDalitzK0st[index]->Fill(massKK,massKp);
        
        
        if(fReadMC && indexMCpiKK!=-1){
          fDalitz[indexMCpiKK]->Fill(massKK,massKp);
          if(isPhipiKK) fDalitzPhi[indexMCpiKK]->Fill(massKK,massKp);
          if(isK0starpiKK) fDalitzK0st[indexMCpiKK]->Fill(massKK,massKp);
          fCosPHist[indexMCpiKK]->Fill(cosp);
          fDLenHist[indexMCpiKK]->Fill(dlen);
          fSigVertHist[indexMCpiKK]->Fill(sigvert);
          fSumd02Hist[indexMCpiKK]->Fill(sumD02);
          fPtMaxHist[indexMCpiKK]->Fill(ptmax);
          fPtCandHist[indexMCpiKK]->Fill(ptCand);
          fDCAHist[indexMCpiKK]->Fill(dca);
          fPtProng0Hist[indexMCpiKK]->Fill(pt0);
          fPtProng1Hist[indexMCpiKK]->Fill(pt1);
          fPtProng2Hist[indexMCpiKK]->Fill(pt2);
        }
      }
      
      
    }
    
    Float_t tmp[37];
    if(fFillNtuple>0){
      
      if ((fFillNtuple==1 && (isPhiKKpi || isPhipiKK)) || (fFillNtuple==2 && (isK0starKKpi || isK0starpiKK)) || (fFillNtuple==3 && (isKKpi || ispiKK))){
        
        AliAODTrack *track0=(AliAODTrack*)d->GetDaughter(0);
        AliAODTrack *track1=(AliAODTrack*)d->GetDaughter(1);
        AliAODTrack *track2=(AliAODTrack*)d->GetDaughter(2);
        
        UInt_t bitMapPIDTrack0=fAnalysisCuts->GetPIDTrackTPCTOFBitMap(track0);
        UInt_t bitMapPIDTrack1=fAnalysisCuts->GetPIDTrackTPCTOFBitMap(track1);
        UInt_t bitMapPIDTrack2=fAnalysisCuts->GetPIDTrackTPCTOFBitMap(track2);
        
        tmp[0]=Float_t(labDs);
        if(fReadMC && fWriteOnlySignal) tmp[0]=Float_t(isMCSignal);
        tmp[1]=Float_t(retCodeAnalysisCuts);
        tmp[2]=Float_t(pdgCode0);
        tmp[3]=d->PtProng(0);
        tmp[4]=d->PtProng(1);
        tmp[5]=d->PtProng(2);
        tmp[6]=d->Pt();
        tmp[7]=d->PProng(0);
        tmp[8]=d->PProng(1);
        tmp[9]=d->PProng(2);
        tmp[10]=Int_t(bitMapPIDTrack0);
        tmp[11]=Int_t(bitMapPIDTrack1);
        tmp[12]=Int_t(bitMapPIDTrack2);
        tmp[13]=d->CosPointingAngle();
        tmp[14]=d->CosPointingAngleXY();
        tmp[15]=d->DecayLength();
        tmp[16]=d->DecayLengthXY();
        tmp[17]=d->NormalizedDecayLength();
        tmp[18]=d->NormalizedDecayLengthXY();
        tmp[19]=d->InvMassDsKKpi();
        tmp[20]=d->InvMassDspiKK();
        tmp[21]=d->GetSigmaVert();
        tmp[22]=d->Getd0Prong(0);
        tmp[23]=d->Getd0Prong(1);
        tmp[24]=d->Getd0Prong(2);
        tmp[25]=d->GetDCA();
        tmp[26]=d->Getd0Prong(0)*d->Getd0Prong(0)+d->Getd0Prong(1)*d->Getd0Prong(1)+d->Getd0Prong(2)*d->Getd0Prong(2);
        tmp[27]=d->InvMass2Prongs(0,1,321,321);
        tmp[28]=d->InvMass2Prongs(1,2,321,321);
        tmp[29]=d->InvMass2Prongs(1,2,321,211);
        tmp[30]=d->InvMass2Prongs(0,1,211,321);
        tmp[31]=d->CosPiDsLabFrameKKpi();
        tmp[32]=d->CosPiDsLabFramepiKK();
        tmp[33]=d->CosPiKPhiRFrameKKpi();
        tmp[34]=d->CosPiKPhiRFramepiKK();
        tmp[35]=(Float_t)(centrality);
        tmp[36]=(Float_t)(runNumber);
        
        if(fReadMC && fWriteOnlySignal){
          if(isMCSignal>=0) fNtupleDs->Fill(tmp);
        }else{
          fNtupleDs->Fill(tmp);
        }
        PostData(4,fNtupleDs);
      }
    }
    
    if(unsetvtx) d->UnsetOwnPrimaryVtx();
    if(recVtx)fAnalysisCuts->CleanOwnPrimaryVtx(d,aod,origownvtx);
  }
  
  fCounter->StoreCandidates(aod,nFiltered,kTRUE);
  fCounter->StoreCandidates(aod,nSelected,kFALSE);
  
  delete vHF;

  PostData(1,fOutput); 
  PostData(3,fCounter);    
  
  return;
}

//_________________________________________________________________

void AliAnalysisTaskSEDs::Terminate(Option_t */*option*/)
{
  //
  if(fDebug > 1) printf("AnalysisTaskSEDs: Terminate() \n");
  fOutput = dynamic_cast<TList*> (GetOutputData(1));
  if (!fOutput) {     
    printf("ERROR: fOutput not available\n");
    return;
  }
  fHistNEvents = dynamic_cast<TH1F*>(fOutput->FindObject("hNEvents"));
  if(fHistNEvents){
    printf("Number of analyzed events = %d\n",(Int_t)fHistNEvents->GetBinContent(2));
  }else{
    printf("ERROR: fHistNEvents not available\n");
    return;
  }
  return;
}

//_________________________________________________________________
void AliAnalysisTaskSEDs::FillMCGenAccHistos(TClonesArray *arrayMC, AliAODMCHeader *mcHeader){
  
  Int_t nProng = 3;
  Double_t zMCVertex = mcHeader->GetVtxZ(); //vertex MC
  if(TMath::Abs(zMCVertex) <= fAnalysisCuts->GetMaxVtxZ()) {
    for(Int_t iPart=0; iPart<arrayMC->GetEntriesFast(); iPart++){
      
      AliAODMCParticle* mcPart = dynamic_cast<AliAODMCParticle*>(arrayMC->At(iPart));
      
      if(TMath::Abs(mcPart->GetPdgCode()) == 431) {
        Int_t orig = AliVertexingHFUtils::CheckOrigin(arrayMC,mcPart,kTRUE);//Prompt = 4, FeedDown = 5
        
        Int_t  deca        = 0;
        Bool_t isGoodDecay = kFALSE;
        Int_t  labDau[3]   = {-1,-1,-1};
        Bool_t isFidAcc    = kFALSE;
        Bool_t isDaugInAcc = kFALSE;
        
        deca = AliVertexingHFUtils::CheckDsDecay(arrayMC,mcPart,labDau);
        if(deca == 1) isGoodDecay=kTRUE; // == 1 -> Phi pi -> kkpi
        
        if(labDau[0]==-1) continue; //protection against unfilled array of labels
        
        if(isGoodDecay) {
          Double_t pt = mcPart->Pt();
          Double_t rapid = mcPart->Y();
          isFidAcc = fAnalysisCuts->IsInFiducialAcceptance(pt,rapid);
          isDaugInAcc = CheckDaugAcc(arrayMC,nProng,labDau);
          
          if(isFidAcc) {
            Double_t var4nSparseAcc[2] = {pt,rapid};
            if(isDaugInAcc) {
              if(orig==4) fnSparseMC[0]->Fill(var4nSparseAcc);
              if(orig==5) fnSparseMC[1]->Fill(var4nSparseAcc);
            }
          }
        }
      }
    }
  }
}
//_________________________________________________________________
Bool_t AliAnalysisTaskSEDs::CheckDaugAcc(TClonesArray* arrayMC,Int_t nProng, Int_t *labDau){

  for (Int_t iProng = 0; iProng<nProng; iProng++){
    AliAODMCParticle* mcPartDaughter=dynamic_cast<AliAODMCParticle*>(arrayMC->At(labDau[iProng]));
    if(!mcPartDaughter) {
    return kFALSE;
    }
    Double_t eta = mcPartDaughter->Eta();
    Double_t pt = mcPartDaughter->Pt();
    if (TMath::Abs(eta) > 0.9 || pt < 0.1) {
     return kFALSE;
    }
  }
  return kTRUE;
}