--- /dev/null
+/**************************************************************************
+* Copyright(c) 1998-2009, 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. *
+**************************************************************************/
+//
+//
+// Analysis Taks for reconstructed particle correlation
+// (first implementation done for D mesons) with jets
+// (use the so called Emcal framework)
+//
+//-----------------------------------------------------------------------
+// Authors:
+// C. Bianchin (Utrecht University) chiara.bianchin@cern.ch
+// A. Grelli (Utrecht University) a.grelli@uu.nl
+// X. Zhang (LBNL) XMZhang@lbl.gov
+//-----------------------------------------------------------------------
+
+#include <TDatabasePDG.h>
+#include <TParticle.h>
+#include "TROOT.h"
+#include <TH3F.h>
+#include <THnSparse.h>
+
+#include "AliAnalysisTaskFlavourFilterAndJetCorrelations.h"
+#include "AliAODMCHeader.h"
+#include "AliAODHandler.h"
+#include "AliAnalysisManager.h"
+#include "AliLog.h"
+#include "AliEmcalJet.h"
+#include "AliJetContainer.h"
+#include "AliAODRecoDecay.h"
+#include "AliAODRecoCascadeHF.h"
+#include "AliAODRecoDecayHF2Prong.h"
+#include "AliESDtrack.h"
+#include "AliAODMCParticle.h"
+#include "AliPicoTrack.h"
+#include "AliRDHFCutsD0toKpi.h"
+#include "AliRDHFCutsDStartoKpipi.h"
+
+ClassImp(AliAnalysisTaskFlavourFilterAndJetCorrelations)
+
+
+//_______________________________________________________________________________
+
+AliAnalysisTaskFlavourFilterAndJetCorrelations::AliAnalysisTaskFlavourFilterAndJetCorrelations() :
+AliAnalysisTaskEmcalJet("",kFALSE),
+fUseMCInfo(kTRUE),
+fUseReco(kTRUE),
+fCandidateType(),
+fPDGmother(),
+fNProngs(),
+fPDGdaughters(),
+fBranchName(),
+fmyOutput(0),
+fCuts(0),
+fMinMass(),
+fMaxMass(),
+fJetArrName(0),
+fCandArrName(0),
+fLeadingJetOnly(kFALSE),
+fJetRadius(0)
+{
+ //
+ // Default ctor
+ //
+ //SetMakeGeneralHistograms(kTRUE);
+
+}
+
+//_______________________________________________________________________________
+
+AliAnalysisTaskFlavourFilterAndJetCorrelations::AliAnalysisTaskFlavourFilterAndJetCorrelations(const Char_t* name, AliRDHFCuts* cuts,ECandidateType candtype) :
+AliAnalysisTaskEmcalJet(name,kFALSE),
+fUseMCInfo(kTRUE),
+fUseReco(kTRUE),
+fCandidateType(),
+fPDGmother(),
+fNProngs(),
+fPDGdaughters(),
+fBranchName(),
+fmyOutput(0),
+fmyOutputF(0),
+fCuts(0),
+fMinMass(),
+fMaxMass(),
+fJetArrName(0),
+fCandArrName(0),
+fLeadingJetOnly(kFALSE),
+fJetRadius(0)
+{
+ //
+ // Constructor. Initialization of Inputs and Outputs
+ //
+
+ Info("AliAnalysisTaskFlavourFilterAndJetCorrelations","Calling Constructor");
+ fCuts=cuts;
+ fCandidateType=candtype;
+ const Int_t nptbins=fCuts->GetNPtBins();
+ Float_t defaultSigmaD013[13]={0.012, 0.012, 0.012, 0.015, 0.015,0.018,0.018,0.020,0.020,0.030,0.030,0.037,0.040};
+
+ switch(fCandidateType){
+ case 0:
+ fPDGmother=421;
+ fNProngs=2;
+ fPDGdaughters[0]=211;//pi
+ fPDGdaughters[1]=321;//K
+ fPDGdaughters[2]=0; //empty
+ fPDGdaughters[3]=0; //empty
+ fBranchName="D0toKpi";
+ fCandArrName="D0";
+ break;
+ case 1:
+ fPDGmother=413;
+ fNProngs=3;
+ fPDGdaughters[1]=211;//pi soft
+ fPDGdaughters[0]=421;//D0
+ fPDGdaughters[2]=211;//pi fromD0
+ fPDGdaughters[3]=321; // K from D0
+ fBranchName="Dstar";
+ fCandArrName="Dstar";
+
+ if(nptbins<=13){
+ for(Int_t ipt=0;ipt<nptbins;ipt++) fSigmaD0[ipt]= defaultSigmaD013[ipt];
+ } else {
+ AliFatal(Form("Default sigma D0 not enough for %d pt bins, use SetSigmaD0ForDStar to set them",nptbins));
+ }
+ break;
+ default:
+ printf("%d not accepted!!\n",fCandidateType);
+ break;
+ }
+
+ if(fCandidateType==kD0toKpi)SetMassLimits(0.15,fPDGmother);
+ if(fCandidateType==kDstartoKpipi) SetMassLimits(0.015, fPDGmother);
+
+ DefineOutput(1,TList::Class()); // histos
+ DefineOutput(2,AliRDHFCuts::Class()); // my cuts
+ DefineOutput(3,TList::Class()); //histos filter
+
+}
+
+//_______________________________________________________________________________
+
+AliAnalysisTaskFlavourFilterAndJetCorrelations::~AliAnalysisTaskFlavourFilterAndJetCorrelations() {
+ //
+ // destructor
+ //
+
+ Info("~AliAnalysisTaskFlavourFilterAndJetCorrelations","Calling Destructor");
+
+ delete fmyOutput;
+ delete fmyOutputF;
+ delete fCuts;
+
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::Init(){
+ //
+ // Initialization
+ //
+
+ if(fDebug > 1) printf("AnalysisTaskRecoJetCorrelations::Init() \n");
+ switch(fCandidateType){
+ case 0:
+ {
+ AliRDHFCutsD0toKpi* copyfCuts=new AliRDHFCutsD0toKpi(*(static_cast<AliRDHFCutsD0toKpi*>(fCuts)));
+ copyfCuts->SetName("AnalysisCutsDzero");
+ // Post the data
+ PostData(2,copyfCuts);
+ }
+ break;
+ case 1:
+ {
+ AliRDHFCutsDStartoKpipi* copyfCuts=new AliRDHFCutsDStartoKpipi(*(static_cast<AliRDHFCutsDStartoKpipi*>(fCuts)));
+ copyfCuts->SetName("AnalysisCutsDStar");
+ // Post the cuts
+ PostData(2,copyfCuts);
+ }
+ break;
+ default:
+ return;
+ }
+
+ return;
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::UserCreateOutputObjects() {
+ // output
+ Info("UserCreateOutputObjects","CreateOutputObjects of task %s\n", GetName());
+ fmyOutput = new TList();
+ fmyOutput->SetOwner();
+ fmyOutput->SetName("pippo");
+ // define histograms
+ DefineHistoForAnalysis();
+ PostData(1,fmyOutput);
+
+ fmyOutputF = new TList();
+ fmyOutputF->SetOwner();
+ fmyOutputF->SetName("pluto");
+ // define histograms
+ DefineHistoForFiltering();
+ PostData(3,fmyOutputF);
+
+ return;
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::UserExec(Option_t *)
+{
+ // user exec
+ if (!fInitialized){
+ AliAnalysisTaskEmcalJet::ExecOnce();
+ }
+
+ // Load the event
+ AliAODEvent* aodEvent = dynamic_cast<AliAODEvent*>(fInputEvent);
+
+ TClonesArray *arrayDStartoD0pi=0;
+ TClonesArray *trackArr = 0;
+
+ if (!aodEvent && 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.
+ aodEvent = 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();
+ arrayDStartoD0pi=(TClonesArray*)aodFromExt->GetList()->FindObject(fBranchName.Data());
+ }
+ } else {
+ arrayDStartoD0pi=(TClonesArray*)aodEvent->GetList()->FindObject(fBranchName.Data());
+ }
+
+ if (!arrayDStartoD0pi) {
+ AliInfo(Form("Could not find array %s, skipping the event",fBranchName.Data()));
+ // return;
+ } else AliDebug(2, Form("Found %d vertices",arrayDStartoD0pi->GetEntriesFast()));
+
+ TClonesArray* mcArray = 0x0;
+ if (fUseMCInfo) {
+ mcArray = dynamic_cast<TClonesArray*>(aodEvent->FindListObject(AliAODMCParticle::StdBranchName()));
+ if (!mcArray) {
+ printf("AliAnalysisTaskSEDStarSpectra::UserExec: MC particles not found!\n");
+ return;
+ }
+ }
+
+ //retrieve jets
+ trackArr = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject("PicoTracks"));
+ //clusArr = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject("CaloClustersCorr"));
+ //jetArr = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject(fJetArrName));
+ fJetRadius=GetJetContainer(0)->GetJetRadius();
+
+ if(!trackArr){
+ AliInfo(Form("Could not find the track array\n"));
+ return;
+ }
+
+
+ //FILTER D MESONS
+ fCandidateArray = new TClonesArray("AliAODRecoDecayHF",0);
+ fCandidateArray->SetName(Form("fCandidateArray%s%s",fCandArrName.Data(),fUseReco ? "rec" : "gen"));
+
+ if (fCandidateType==kDstartoKpipi){
+ fSideBandArray = new TClonesArray("AliAODRecoCascadeHF",0); //this is for the DStar only!
+ fSideBandArray->SetName(Form("fSideBandArray%s%s",fCandArrName.Data(),fUseReco ? "rec" : "gen"));
+ }
+
+ //Histograms
+ TH1I* hstatF = (TH1I*)fmyOutputF->FindObject("hstatF");
+ TH1F* hnSBCandEv=(TH1F*)fmyOutputF->FindObject("hnSBCandEv");
+ TH1F* hnCandEv=(TH1F*)fmyOutputF->FindObject("hnCandEv");
+ TH2F* hInvMassptDF = (TH2F*)fmyOutputF->FindObject("hInvMassptDF");
+
+ TH1F* hPtPion=0x0;
+ if (fCandidateType==kDstartoKpipi) hPtPion = (TH1F*)fmyOutputF->FindObject("hPtPion");
+ hstatF->Fill(0);
+
+ // fix for temporary bug in ESDfilter
+ // the AODs with null vertex pointer didn't pass the PhysSel
+ if(!aodEvent->GetPrimaryVertex() || TMath::Abs(aodEvent->GetMagneticField())<0.001) return;
+
+ //Event selection
+ Bool_t iseventselected=fCuts->IsEventSelected(aodEvent);
+ //TString firedTriggerClasses=((AliAODEvent*)aodEvent)->GetFiredTriggerClasses();
+ if (!iseventselected) return;
+ hstatF->Fill(1);
+
+ const Int_t nD = arrayDStartoD0pi->GetEntriesFast();
+ if(fUseReco) hstatF->Fill(2, nD);
+
+ //D* and D0 prongs needed to MatchToMC method
+ Int_t pdgDgDStartoD0pi[2] = { 421, 211 }; // D0,pi
+ Int_t pdgDgD0toKpi[2] = { 321, 211 }; // K, pi
+
+ //D0 from D0 bar
+ Int_t pdgdaughtersD0[2] = { 211, 321 }; // pi,K
+ Int_t pdgdaughtersD0bar[2] = { 321, 211 }; // K,pi
+
+ Int_t iCand =0;
+ Int_t iSBCand=0;
+ Int_t isSelected = 0;
+ AliAODRecoDecayHF *charmCand = 0;
+ AliAODMCParticle *charmPart = 0;
+ Bool_t isMCBkg=kFALSE;
+
+ Double_t mPDGD0 = TDatabasePDG::Instance()->GetParticle(421)->Mass();
+
+ Int_t mcLabel = -9999;
+ Int_t pdgMeson = 413;
+ if (fCandidateType==kD0toKpi) pdgMeson = 421;
+
+ for (Int_t icharm=0; icharm<nD; icharm++) { //loop over D candidates
+ charmCand = (AliAODRecoDecayHF*)arrayDStartoD0pi->At(icharm); // D candidates
+ if (!charmCand) continue;
+
+
+ if (fUseMCInfo) { // Look in MC, try to simulate the z
+ if (fCandidateType==kDstartoKpipi) {
+ AliAODRecoCascadeHF *temp = (AliAODRecoCascadeHF*)charmCand;
+ mcLabel = temp->MatchToMC(413,421,pdgDgDStartoD0pi,pdgDgD0toKpi,mcArray);
+ }
+
+ if (fCandidateType==kD0toKpi)
+ mcLabel = charmCand->MatchToMC(421,mcArray,fNProngs,fPDGdaughters);
+
+ if (mcLabel<=0) isMCBkg=kTRUE;
+ else hstatF->Fill(2);
+ if (!isMCBkg) charmPart=(AliAODMCParticle*)mcArray->At(mcLabel);
+ }
+
+ Double_t ptD = charmCand->Pt();
+
+ // region of interest + cuts
+ if (!fCuts->IsInFiducialAcceptance(ptD,charmCand->Y(pdgMeson))) continue;
+
+ if(!fUseMCInfo && fCandidateType==kDstartoKpipi){
+ //select by track cuts the side band candidates (don't want mass cut)
+ isSelected = fCuts->IsSelected(charmCand,AliRDHFCuts::kTracks,aodEvent);
+ if (!isSelected) continue;
+ //add a reasonable cut on the invariant mass (e.g. (+-2\sigma, +-10 \sigma), with \sigma = fSigmaD0[bin])
+ Int_t bin = fCuts->PtBin(ptD);
+ if(bin<0 || bin>=fCuts->GetNPtBins()) {
+ AliError(Form("Pt %.3f out of bounds",ptD));
+ continue;
+ }
+ AliAODRecoCascadeHF *temp = (AliAODRecoCascadeHF*)charmCand;
+ //if data and Dstar from D0 side band
+ if (((temp->InvMassD0()<=(mPDGD0-3.*fSigmaD0[bin])) && (temp->InvMassD0()>(mPDGD0-10.*fSigmaD0[bin]))) /*left side band*/|| ((temp->InvMassD0()>=(mPDGD0+3.*fSigmaD0[bin])) && (temp->InvMassD0()<(mPDGD0+10.*fSigmaD0[bin])))/*right side band*/){
+
+ new ((*fSideBandArray)[iSBCand]) AliAODRecoCascadeHF(*temp);
+ iSBCand++;
+ }
+ }
+ //candidate selected by cuts and PID
+ isSelected = fCuts->IsSelected(charmCand,AliRDHFCuts::kAll,aodEvent); //selected
+ if (!isSelected) continue;
+
+ //for data and MC signal fill fCandidateArray
+ if(!fUseMCInfo || (fUseMCInfo && !isMCBkg)){
+ // for data or MC with the requirement fUseReco fill with candidates
+ if(fUseReco) {
+ new ((*fCandidateArray)[iCand]) AliAODRecoDecayHF(*charmCand);
+ //Printf("Filling reco");
+ hstatF->Fill(3);
+ }
+ // for MC with requirement particle level fill with AliAODMCParticle
+ else if (fUseMCInfo) {
+ new ((*fCandidateArray)[iCand]) AliAODMCParticle(*charmPart);
+ //Printf("Filling gen");
+ hstatF->Fill(3);
+ }
+
+ iCand++;
+ }
+ //for MC background fill fSideBandArray (which is instead filled above for DStar in case of data for the side bands candidates)
+ else if(fUseReco){
+ new ((*fSideBandArray)[iSBCand]) AliAODRecoDecayHF(*charmCand);
+ iSBCand++;
+ }
+
+
+ Double_t masses[2];
+ if (fCandidateType==kDstartoKpipi) { //D*->D0pi->Kpipi
+
+ //softpion from D* decay
+ AliAODRecoCascadeHF *temp = (AliAODRecoCascadeHF*)charmCand;
+ AliAODTrack *track2 = (AliAODTrack*)temp->GetBachelor();
+
+ // select D* in the D0 window.
+ // In the cut object window is loose to allow for side bands
+
+
+ // retrieve the corresponding pt bin for the candidate
+ // and set the expected D0 width (x3)
+ // static const Int_t n = fCuts->GetNPtBins();
+ Int_t bin = fCuts->PtBin(ptD);
+ if(bin<0 || bin>=fCuts->GetNPtBins()) {
+ AliError(Form("Pt %.3f out of bounds",ptD));
+ continue;
+ }
+
+ AliInfo(Form("Pt bin %d and sigma D0 %.4f",bin,fSigmaD0[bin]));
+ //consider the Dstar candidates only if the mass of the D0 is in 3 sigma wrt the PDG value
+ if ((temp->InvMassD0()>=(mPDGD0-3.*fSigmaD0[bin])) && (temp->InvMassD0()<=(mPDGD0+3.*fSigmaD0[bin]))) {
+ masses[0] = temp->DeltaInvMass(); //D*
+ masses[1] = 0.; //dummy for D*
+
+ //D* delta mass
+ hInvMassptDF->Fill(masses[0], ptD); // 2 D slice for pt bins
+
+ // D* pt and soft pion pt for good candidates
+ Double_t mPDGDstar = TDatabasePDG::Instance()->GetParticle(413)->Mass();
+ Double_t invmassDelta = temp->DeltaInvMass();
+ if (TMath::Abs(invmassDelta-(mPDGDstar-mPDGD0))<0.0021) hPtPion->Fill(track2->Pt());
+ }
+ } //Dstar specific
+
+ if (fCandidateType==kD0toKpi) { //D0->Kpi
+
+ //needed quantities
+ masses[0] = charmCand->InvMass(fNProngs, (UInt_t*)pdgdaughtersD0); //D0
+ masses[1] = charmCand->InvMass(fNProngs, (UInt_t*)pdgdaughtersD0bar); //D0bar
+ hstatF->Fill(3);
+
+ // mass vs pt
+ if (isSelected==1 || isSelected==3) hInvMassptDF->Fill(masses[0],ptD);
+ if (isSelected>=2) hInvMassptDF->Fill(masses[1],ptD);
+ } //D0 specific
+
+ charmCand = 0;
+ isMCBkg=kFALSE;
+ } // end of D cand loop
+
+ hnCandEv->Fill(fCandidateArray->GetEntriesFast());
+ if (fCandidateType==kDstartoKpipi || fUseMCInfo) {
+ Int_t nsbcand=fSideBandArray->GetEntriesFast();
+ hstatF->Fill(4,nsbcand);
+ hnSBCandEv->Fill(nsbcand);
+ }
+
+ //CORRELATION WITH JETS
+ /*
+ TString arrname="fCandidateArray";
+ TString candarrname=Form("%s%s%s",arrname.Data(),fCandArrName.Data(),fUseReco ? "rec" : "gen");
+ fCandidateArray = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject(candarrname));
+ if (!fCandidateArray) {
+ Printf("%s array not found",candarrname.Data());
+ InputEvent()->GetList()->ls();
+ return;
+ }
+ //Printf("ncandidates found %d",fCandidateArray->GetEntriesFast());
+
+ TString arrSBname="fSideBandArray";
+ TString sbarrname=Form("%s%s%s",arrSBname.Data(),fCandArrName.Data(),fUseReco ? "rec" : "gen");
+ fSideBandArray = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject(sbarrname));
+ if (fCandidateType==1 && !fSideBandArray) {
+ Printf("%s array not found",sbarrname.Data());
+ InputEvent()->GetList()->ls();
+ return;
+ }
+ //Printf("nSBCand or Bkg found %d",fSideBandArray->GetEntriesFast());
+ */
+
+ //Histograms
+ TH1I* hstat=(TH1I*)fmyOutput->FindObject("hstat");
+ TH1F* hPtJetTrks=(TH1F*)fmyOutput->FindObject("hPtJetTrks");
+ TH1F* hPhiJetTrks=(TH1F*)fmyOutput->FindObject("hPhiJetTrks");
+ TH1F* hEtaJetTrks=(TH1F*)fmyOutput->FindObject("hEtaJetTrks");
+ TH1F* hEjetTrks=(TH1F*)fmyOutput->FindObject("hEjetTrks");
+ TH1F* hPtJet=(TH1F*)fmyOutput->FindObject("hPtJet");
+ TH1F* hPhiJet=(TH1F*)fmyOutput->FindObject("hPhiJet");
+ TH1F* hEtaJet=(TH1F*)fmyOutput->FindObject("hEtaJet");
+ TH1F* hEjet=(TH1F*)fmyOutput->FindObject("hEjet");
+ TH1F* hNtrArr=(TH1F*)fmyOutput->FindObject("hNtrArr");
+ TH1F* hNJetPerEv=(TH1F*)fmyOutput->FindObject("hNJetPerEv");
+ TH1F* hdeltaRJetTracks=(TH1F*)fmyOutput->FindObject("hdeltaRJetTracks");
+ TH1F* hNDPerEvNoJet=(TH1F*)fmyOutput->FindObject("hNDPerEvNoJet");
+ TH1F* hptDPerEvNoJet=(TH1F*)fmyOutput->FindObject("hptDPerEvNoJet");
+ TH1F* hNJetPerEvNoD=(TH1F*)fmyOutput->FindObject("hNJetPerEvNoD");
+ TH1F* hPtJetPerEvNoD=(TH1F*)fmyOutput->FindObject("hPtJetPerEvNoD");
+ THnSparseF* hnspDstandalone=(THnSparseF*)fmyOutput->FindObject("hsDstandalone");
+
+ hstat->Fill(0);
+
+ // fix for temporary bug in ESDfilter
+ // the AODs with null vertex pointer didn't pass the PhysSel
+ if(!aodEvent->GetPrimaryVertex() || TMath::Abs(aodEvent->GetMagneticField())<0.001) return;
+
+ //Event selection
+ //Bool_t iseventselected=fCuts->IsEventSelected(aodEvent);
+ TString firedTriggerClasses=((AliAODEvent*)aodEvent)->GetFiredTriggerClasses();
+ if(!iseventselected) return;
+
+ hstat->Fill(1);
+
+ //retrieve charm candidates selected
+ Int_t candidates = fCandidateArray->GetEntriesFast();
+
+ //trigger on jets
+
+ Int_t njets=GetJetContainer()->GetNJets();
+ if(njets == 0) {
+ hstat->Fill(6, candidates);
+ hNDPerEvNoJet->Fill(candidates);
+ for(Int_t iD=0;iD<candidates;iD++){
+ AliVParticle* cand=(AliVParticle*)fCandidateArray->At(iD);
+ if(!cand) continue;
+ hptDPerEvNoJet->Fill(cand->Pt());
+
+ }
+ return;
+
+ }
+
+ //loop on candidates standalone (checking the candidates are there and their phi-eta distributions)
+
+ for(Int_t ic = 0; ic < candidates; ic++) {
+
+ // D* candidates
+ AliVParticle* charm=0x0;
+ charm=(AliVParticle*)fCandidateArray->At(ic);
+ if(!charm) continue;
+ hstat->Fill(2);
+
+ Double_t candsparse[4]={charm->Eta(), charm->Phi(), charm->Pt(), 0};
+
+ if(fCandidateType==kDstartoKpipi) {
+ AliAODRecoCascadeHF* dstar = (AliAODRecoCascadeHF*)charm;
+ Double_t deltamass= dstar->DeltaInvMass();
+ candsparse[3]=deltamass;
+ hnspDstandalone->Fill(candsparse);
+ }
+ if(fCandidateType==kD0toKpi){
+ AliAODRecoDecayHF* dzero=(AliAODRecoDecayHF*)charm;
+ Int_t isselected=fCuts->IsSelected(dzero,AliRDHFCuts::kAll,aodEvent);
+
+ Double_t masses[2];
+ //Int_t pdgdaughtersD0[2]={211,321};//pi,K
+ //Int_t pdgdaughtersD0bar[2]={321,211};//K,pi
+
+ masses[0]=dzero->InvMass(fNProngs,(UInt_t*)pdgdaughtersD0); //D0
+ masses[1]=dzero->InvMass(fNProngs,(UInt_t*)pdgdaughtersD0bar); //D0bar
+ if(isselected==1 || isselected==3) {
+ candsparse[3]=masses[0];
+ hnspDstandalone->Fill(candsparse);
+ }
+ if(isselected>=2){
+ candsparse[3]=masses[1];
+ hnspDstandalone->Fill(candsparse);
+
+ }
+ }
+ }
+
+ // we start with jets
+ Double_t ejet = 0;
+ Double_t phiJet = 0;
+ Double_t etaJet = 0;
+ Double_t ptjet = 0;
+ Double_t leadingJet =0;
+
+ Int_t ntrarr=trackArr->GetEntriesFast();
+ hNtrArr->Fill(ntrarr);
+
+ for(Int_t i=0;i<ntrarr;i++){
+ AliVTrack *jtrack=static_cast<AliVTrack*>(trackArr->At(i));
+ //reusing histograms
+ hPtJetTrks->Fill(jtrack->Pt());
+ hPhiJetTrks->Fill(jtrack->Phi());
+ hEtaJetTrks->Fill(jtrack->Eta());
+ hEjetTrks->Fill(jtrack->E());
+ }
+
+
+ //option to use only the leading jet
+ if(fLeadingJetOnly){
+ for (Int_t iJetsL = 0; iJetsL<njets; iJetsL++) {
+ AliEmcalJet* jetL = (AliEmcalJet*)GetJetFromArray(iJetsL);
+ ptjet = jetL->Pt();
+ if(ptjet>leadingJet ) leadingJet = ptjet;
+
+ }
+ }
+
+ Int_t cntjet=0;
+ //loop over jets and consider only the leading jet in the event
+ for (Int_t iJets = 0; iJets<njets; iJets++) {
+ //Printf("Jet N %d",iJets);
+ AliEmcalJet* jet = (AliEmcalJet*)GetJetFromArray(iJets);
+ //Printf("Corr task Accept Jet");
+ if(!AcceptJet(jet)) {
+ hstat->Fill(5);
+ continue;
+ }
+
+ //jets variables
+ ejet = jet->E();
+ phiJet = jet->Phi();
+ etaJet = jet->Eta();
+ ptjet = jet->Pt();
+
+ // choose the leading jet
+ if(fLeadingJetOnly && (ejet<leadingJet)) continue;
+ //used for normalization
+ hstat->Fill(3);
+ cntjet++;
+ // fill energy, eta and phi of the jet
+ hEjet ->Fill(ejet);
+ hPhiJet ->Fill(phiJet);
+ hEtaJet ->Fill(etaJet);
+ hPtJet ->Fill(ptjet);
+
+ //loop on jet particles
+ Int_t ntrjet= jet->GetNumberOfTracks();
+ for(Int_t itrk=0;itrk<ntrjet;itrk++){
+
+ AliPicoTrack* jetTrk=(AliPicoTrack*)jet->TrackAt(itrk,trackArr);
+ hdeltaRJetTracks->Fill(DeltaR(jet,jetTrk));
+
+ }//end loop on jet tracks
+
+ if(candidates==0){
+ hstat->Fill(7);
+ hPtJetPerEvNoD->Fill(jet->Pt());
+ }
+
+ //Printf("N candidates %d ", candidates);
+ for(Int_t ic = 0; ic < candidates; ic++) {
+
+ // D* candidates
+ AliVParticle* charm=0x0;
+ charm=(AliVParticle*)fCandidateArray->At(ic);
+ if(!charm) continue;
+
+
+ FlagFlavour(charm, jet);
+ if (jet->TestFlavourTag(AliEmcalJet::kDStar)) hstat->Fill(4);
+
+ FillHistogramsRecoJetCorr(charm, jet);
+
+ }
+ //retrieve side band background candidates for Dstar
+ Int_t nsbcand = 0; if(fSideBandArray) nsbcand=fSideBandArray->GetEntriesFast();
+
+ for(Int_t ib=0;ib<nsbcand;ib++){
+ if(fCandidateType==kDstartoKpipi && !fUseMCInfo){
+ AliAODRecoCascadeHF *sbcand=(AliAODRecoCascadeHF*)fSideBandArray->At(ib);
+ if(!sbcand) continue;
+ SideBandBackground(sbcand,jet);
+ }
+ if(fUseMCInfo){
+ AliAODRecoDecayHF* charmbg = 0x0;
+ charmbg=(AliAODRecoDecayHF*)fCandidateArray->At(ib);
+ if(!charmbg) continue;
+ MCBackground(charmbg,jet);
+ }
+ }
+ } // end of jet loop
+
+ hNJetPerEv->Fill(cntjet);
+ if(candidates==0) hNJetPerEvNoD->Fill(cntjet);
+ PostData(1,fmyOutput);
+ PostData(3,fmyOutputF);
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::Terminate(Option_t*)
+{
+ // The Terminate() function is the last function to be called during
+ // a query. It always runs on the client, it can be used to present
+ // the results graphically or save the results to file.
+
+ Info("Terminate"," terminate");
+ AliAnalysisTaskSE::Terminate();
+
+ fmyOutput = dynamic_cast<TList*> (GetOutputData(1));
+ if (!fmyOutput) {
+ printf("ERROR: fmyOutput not available\n");
+ return;
+ }
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::SetMassLimits(Double_t range, Int_t pdg){
+ Float_t mass=0;
+ Int_t abspdg=TMath::Abs(pdg);
+
+ mass=TDatabasePDG::Instance()->GetParticle(abspdg)->Mass();
+ // compute the Delta mass for the D*
+ if(fCandidateType==kDstartoKpipi){
+ Float_t mass1=0;
+ mass1=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ mass = mass-mass1;
+ }
+
+ fMinMass = mass-range;
+ fMaxMass = mass+range;
+
+ AliInfo(Form("Setting mass limits to %f, %f",fMinMass,fMaxMass));
+ if (fMinMass<0 || fMaxMass<=0 || fMaxMass<fMinMass) AliFatal("Wrong mass limits!\n");
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::SetMassLimits(Double_t lowlimit, Double_t uplimit){
+ if(uplimit>lowlimit)
+ {
+ fMinMass = lowlimit;
+ fMaxMass = uplimit;
+ }
+ else{
+ printf("Error! Lower limit larger than upper limit!\n");
+ fMinMass = uplimit - uplimit*0.2;
+ fMaxMass = uplimit;
+ }
+}
+
+//_______________________________________________________________________________
+
+Bool_t AliAnalysisTaskFlavourFilterAndJetCorrelations::SetD0WidthForDStar(Int_t nptbins,Float_t *width){
+ if(nptbins>30) {
+ AliInfo("Maximum number of bins allowed is 30!");
+ return kFALSE;
+ }
+ if(!width) return kFALSE;
+ for(Int_t ipt=0;ipt<nptbins;ipt++) fSigmaD0[ipt]=width[ipt];
+ return kTRUE;
+}
+
+//_______________________________________________________________________________
+
+Double_t AliAnalysisTaskFlavourFilterAndJetCorrelations::Z(AliVParticle* part,AliEmcalJet* jet) const{
+ if(!part || !jet){
+ printf("Particle or jet do not exist!\n");
+ return -99;
+ }
+ Double_t p[3],pj[3];
+ Bool_t okpp=part->PxPyPz(p);
+ Bool_t okpj=jet->PxPyPz(pj);
+ if(!okpp || !okpj){
+ printf("Problems getting momenta\n");
+ return -999;
+ }
+ Double_t pjet=jet->P();
+ Double_t z=(p[0]*pj[0]+p[1]*pj[1]+p[2]*pj[2])/(pjet*pjet);
+ return z;
+}
+
+//_______________________________________________________________________________
+
+Bool_t AliAnalysisTaskFlavourFilterAndJetCorrelations::DefineHistoForAnalysis(){
+
+ // Statistics
+ TH1I* hstat=new TH1I("hstat","Statistics",8,-0.5,7.5);
+ hstat->GetXaxis()->SetBinLabel(1,"N ev anal");
+ hstat->GetXaxis()->SetBinLabel(2,"N ev sel");
+ hstat->GetXaxis()->SetBinLabel(3,"N cand sel & jet");
+ hstat->GetXaxis()->SetBinLabel(4,"N jets");
+ hstat->GetXaxis()->SetBinLabel(5,"N cand in jet");
+ hstat->GetXaxis()->SetBinLabel(6,"N jet rej");
+ hstat->GetXaxis()->SetBinLabel(7,"N cand sel & !jet");
+ hstat->GetXaxis()->SetBinLabel(8,"N jets & !D");
+ hstat->SetNdivisions(1);
+ fmyOutput->Add(hstat);
+
+ const Int_t nbinsmass=200;
+ const Int_t nbinsptjet=500;
+ const Int_t nbinsptD=100;
+ const Int_t nbinsz=100;
+ const Int_t nbinsphi=200;
+ const Int_t nbinseta=100;
+
+ const Float_t ptjetlims[2]={0.,200.};
+ const Float_t ptDlims[2]={0.,50.};
+ const Float_t zlims[2]={0.,1.2};
+ const Float_t philims[2]={0.,6.3};
+ const Float_t etalims[2]={-1.5,1.5};
+
+ if(fCandidateType==kDstartoKpipi)
+ {
+
+ TH2F* hDiffSideBand = new TH2F("hDiffSideBand","M(kpipi)-M(kpi) Side Band Background",nbinsmass,fMinMass,fMaxMass,nbinsptD, ptDlims[0],ptDlims[1]);
+ hDiffSideBand->SetStats(kTRUE);
+ hDiffSideBand->GetXaxis()->SetTitle("M(kpipi)-M(Kpi) GeV");
+ hDiffSideBand->GetYaxis()->SetTitle("p_{t}^{D} (GeV/c)");
+ hDiffSideBand->Sumw2();
+ fmyOutput->Add(hDiffSideBand);
+
+
+ TH1F* hPtPion = new TH1F("hPtPion","Primary pions candidates pt ",500,0,10);
+ hPtPion->SetStats(kTRUE);
+ hPtPion->GetXaxis()->SetTitle("GeV/c");
+ hPtPion->GetYaxis()->SetTitle("Entries");
+ hPtPion->Sumw2();
+ fmyOutput->Add(hPtPion);
+
+ }
+ // D related histograms
+ TH1F *hNDPerEvNoJet=new TH1F("hNDPerEvNoJet","Number of candidates per event with no jets; N candidate/ev with no jet", 20, 0., 20.);
+ hNDPerEvNoJet->Sumw2();
+ fmyOutput->Add(hNDPerEvNoJet);
+
+ TH1F *hptDPerEvNoJet=new TH1F("hptDPerEvNoJet","pt distribution of candidates per events with no jets; p_{t}^{D} (GeV/c)",nbinsptD, ptDlims[0],ptDlims[1]);
+ hptDPerEvNoJet->Sumw2();
+ fmyOutput->Add(hptDPerEvNoJet);
+
+ const Int_t nAxisD=4;
+ const Int_t nbinsSparseD[nAxisD]={nbinsphi,nbinseta,nbinsptD,nbinsmass};
+ const Double_t minSparseD[nAxisD] ={philims[0],etalims[0],ptDlims[0],fMinMass};
+ const Double_t maxSparseD[nAxisD] ={philims[1],etalims[1],ptDlims[1],fMaxMass};
+ THnSparseF *hsDstandalone=new THnSparseF("hsDstandalone","#phi, #eta, p_{T}^{D}, and mass", nAxisD, nbinsSparseD, minSparseD, maxSparseD);
+ hsDstandalone->Sumw2();
+
+ fmyOutput->Add(hsDstandalone);
+
+ // jet related fistograms
+
+ TH1F* hEjetTrks = new TH1F("hEjetTrks", "Jet tracks energy distribution;Energy (GeV)",500,0,200);
+ hEjetTrks->Sumw2();
+ TH1F* hPhiJetTrks = new TH1F("hPhiJetTrks","Jet tracks #phi distribution; #phi (rad)", nbinsphi,philims[0],philims[1]);
+ hPhiJetTrks->Sumw2();
+ TH1F* hEtaJetTrks = new TH1F("hEtaJetTrks","Jet tracks #eta distribution; #eta", nbinseta,etalims[0],etalims[1]);
+ hEtaJetTrks->Sumw2();
+ TH1F* hPtJetTrks = new TH1F("hPtJetTrks", "Jet tracks Pt distribution; p_{T} (GeV/c)",nbinsptjet,ptjetlims[0],ptjetlims[1]);
+ hPtJetTrks->Sumw2();
+
+ TH1F* hEjet = new TH1F("hEjet", "Jet energy distribution;Energy (GeV)",500,0,200);
+ hEjet->Sumw2();
+ TH1F* hPhiJet = new TH1F("hPhiJet","Jet #phi distribution; #phi (rad)", nbinsphi,philims[0],philims[1]);
+ hPhiJet->Sumw2();
+ TH1F* hEtaJet = new TH1F("hEtaJet","Jet #eta distribution; #eta", nbinseta,etalims[0],etalims[1]);
+ hEtaJet->Sumw2();
+ TH1F* hPtJet = new TH1F("hPtJet", "Jet Pt distribution; p_{T} (GeV/c)",nbinsptjet,ptjetlims[0],ptjetlims[1]);
+ hPtJet->Sumw2();
+
+ TH3F* hPtJetWithD=new TH3F("hPtJetWithD","D-Jet Pt distribution; p_{T} (GeV/c);delta mass (GeV/c^{2})",nbinsptjet,ptjetlims[0],ptjetlims[1],nbinsmass,fMinMass,fMaxMass,nbinsptD, ptDlims[0],ptDlims[1]);
+ hPtJetWithD->Sumw2();
+ //for the MC this histogram is filled with the real background
+ TH3F* hPtJetWithDsb=new TH3F("hPtJetWithDsb","D(background)-Jet Pt distribution; p_{T} (GeV/c);delta mass (GeV/c^{2});p_{T}^{D} (GeV/c)",nbinsptjet,ptjetlims[0],ptjetlims[1],nbinsmass,fMinMass,fMaxMass,nbinsptD, ptDlims[0],ptDlims[1]);
+ hPtJetWithDsb->Sumw2();
+
+ TH1F* hdeltaRJetTracks=new TH1F("hdeltaRJetTracks","Delta R of tracks in the jets",200, 0.,10.);
+ hdeltaRJetTracks->Sumw2();
+
+ TH1F* hNtrArr= new TH1F("hNtrArr", "Number of tracks in the array of jets; number of tracks",500,0,1000);
+ hNtrArr->Sumw2();
+
+ TH1F *hNJetPerEv=new TH1F("hNJetPerEv","Number of jets used per event; number of jets/ev",10,-0.5,9.5);
+ hNJetPerEv->Sumw2();
+
+ TH1F *hNJetPerEvNoD=new TH1F("hNJetPerEvNoD","Number of jets per event with no D; number of jets/ev with no D",10,-0.5,9.5);
+ hNJetPerEvNoD->Sumw2();
+
+ TH1F *hPtJetPerEvNoD=new TH1F("hPtJetPerEvNoD","pt distribution of jets per event with no D; p_{T}^{jet} (GeV/c)",nbinsptjet,ptjetlims[0],ptjetlims[1]);
+ hPtJetPerEvNoD->Sumw2();
+
+ fmyOutput->Add(hEjetTrks);
+ fmyOutput->Add(hPhiJetTrks);
+ fmyOutput->Add(hEtaJetTrks);
+ fmyOutput->Add(hPtJetTrks);
+ fmyOutput->Add(hEjet);
+ fmyOutput->Add(hPhiJet);
+ fmyOutput->Add(hEtaJet);
+ fmyOutput->Add(hPtJet);
+ fmyOutput->Add(hPtJetWithD);
+ fmyOutput->Add(hPtJetWithDsb);
+ fmyOutput->Add(hdeltaRJetTracks);
+ fmyOutput->Add(hNtrArr);
+ fmyOutput->Add(hNJetPerEv);
+ fmyOutput->Add(hNJetPerEvNoD);
+ fmyOutput->Add(hPtJetPerEvNoD);
+
+ TH1F* hDeltaRD=new TH1F("hDeltaRD","#Delta R distribution of D candidates selected;#Delta R",200, 0.,10.);
+ hDeltaRD->Sumw2();
+ fmyOutput->Add(hDeltaRD);
+
+ //background (side bands for the Dstar and like sign for D0)
+ fJetRadius=GetJetContainer(0)->GetJetRadius();
+ TH2F* hInvMassptD = new TH2F("hInvMassptD",Form("D (Delta R < %.1f) invariant mass distribution p_{T}^{j} > threshold",fJetRadius),nbinsmass,fMinMass,fMaxMass,nbinsptD,ptDlims[0],ptDlims[1]);
+ hInvMassptD->SetStats(kTRUE);
+ hInvMassptD->GetXaxis()->SetTitle("mass (GeV)");
+ hInvMassptD->GetYaxis()->SetTitle("p_{t}^{D} (GeV/c)");
+ hInvMassptD->Sumw2();
+
+ fmyOutput->Add(hInvMassptD);
+
+ if(fUseMCInfo){
+ TH2F* hInvMassptDbg = new TH2F("hInvMassptDbg",Form("Background D (Delta R < %.1f) invariant mass distribution p_{T}^{j} > threshold",fJetRadius),nbinsmass,fMinMass,fMaxMass,nbinsptD,ptDlims[0],ptDlims[1]);
+ hInvMassptDbg->GetXaxis()->SetTitle(Form("%s (GeV)",(fCandidateType==kDstartoKpipi) ? "M(Kpipi)" : "M(Kpi)"));
+ hInvMassptDbg->GetYaxis()->SetTitle("p_{t}^{D} (GeV/c)");
+ hInvMassptDbg->Sumw2();
+ fmyOutput->Add(hInvMassptDbg);
+
+ }
+ Double_t pi=TMath::Pi(), philims2[2];
+ philims2[0]=-pi*1./2.;
+ philims2[1]=pi*3./2.;
+ const Int_t nAxis=6;
+ const Int_t nbinsSparse[nAxis]={nbinsz,nbinsphi,nbinsptjet,nbinsptD,nbinsmass,2};
+ const Double_t minSparse[nAxis]={zlims[0],philims2[0],ptjetlims[0],ptDlims[0],fMinMass,-0.5};
+ const Double_t maxSparse[nAxis]={zlims[1],philims2[1],ptjetlims[1],ptDlims[1],fMaxMass, 1.5};
+ THnSparseF *hsDphiz=new THnSparseF("hsDphiz","Z and #Delta#phi vs p_{T}^{jet}, p_{T}^{D}, and mass", nAxis, nbinsSparse, minSparse, maxSparse);
+ hsDphiz->Sumw2();
+
+ fmyOutput->Add(hsDphiz);
+
+ PostData(1, fmyOutput);
+
+ return kTRUE;
+}
+
+//_______________________________________________________________________________
+
+Bool_t AliAnalysisTaskFlavourFilterAndJetCorrelations::DefineHistoForFiltering()
+{
+ //
+ // AliAnalysisTaskSEDmesonsFilterCJ::DefineHistoForAnalysis
+ //
+
+ // Statistics
+ TH1I* hstat = new TH1I("hstatF","Statistics",5,-0.5,4.5);
+ hstat->GetXaxis()->SetBinLabel(1, "N ev anal");
+ hstat->GetXaxis()->SetBinLabel(2, "N ev sel");
+ if(fUseReco) hstat->GetXaxis()->SetBinLabel(3, "N cand");
+ else hstat->GetXaxis()->SetBinLabel(3, "N Gen D");
+ hstat->GetXaxis()->SetBinLabel(4, "N cand sel cuts");
+ if (fCandidateType==kDstartoKpipi) hstat->GetXaxis()->SetBinLabel(5, "N side band cand");
+ hstat->SetNdivisions(1);
+ fmyOutputF->Add(hstat);
+
+ TH1F* hnCandEv=new TH1F("hnCandEv", "Number of candidates per event (after cuts);# cand/ev", 100, 0.,100.);
+ fmyOutputF->Add(hnCandEv);
+
+ // Invariant mass related histograms
+ const Int_t nbinsmass = 200;
+ TH2F *hInvMass = new TH2F("hInvMassptDF", "D invariant mass distribution", nbinsmass, fMinMass, fMaxMass, 100, 0., 50.);
+ hInvMass->SetStats(kTRUE);
+ hInvMass->GetXaxis()->SetTitle("mass (GeV/c)");
+ hInvMass->GetYaxis()->SetTitle("p_{T} (GeV/c)");
+ fmyOutputF->Add(hInvMass);
+
+ if (fCandidateType==kDstartoKpipi) {
+ TH1F* hnSBCandEv=new TH1F("hnSBCandEv", "Number of side bands candidates per event (after cuts);# cand/ev", 100, 0.,100.);
+ fmyOutputF->Add(hnSBCandEv);
+
+ TH1F* hPtPion = new TH1F("hPtPion", "Primary pions candidates pt", 500, 0., 10.);
+ hPtPion->SetStats(kTRUE);
+ hPtPion->GetXaxis()->SetTitle("p_{T} (GeV/c)");
+ hPtPion->GetYaxis()->SetTitle("entries");
+ fmyOutputF->Add(hPtPion);
+ }
+ PostData(3, fmyOutputF);
+ return kTRUE;
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::FillHistogramsRecoJetCorr(AliVParticle* candidate, AliEmcalJet *jet){
+
+ Double_t ptD=candidate->Pt();
+ Double_t ptjet=jet->Pt();
+ Double_t deltaR=DeltaR(candidate,jet);
+ Double_t deltaphi = jet->Phi()-candidate->Phi();
+ if(deltaphi<=-(TMath::Pi())/2) deltaphi = deltaphi+2*(TMath::Pi());
+ if(deltaphi>(3*(TMath::Pi()))/2) deltaphi = deltaphi-2*(TMath::Pi());
+ Double_t z=Z(candidate,jet);
+
+ TH1F* hDeltaRD=(TH1F*)fmyOutput->FindObject("hDeltaRD");
+ hDeltaRD->Fill(deltaR);
+ if(fUseReco){
+ if(fCandidateType==kD0toKpi) {
+ AliAODRecoDecayHF* dzero=(AliAODRecoDecayHF*)candidate;
+ FillHistogramsD0JetCorr(dzero,deltaphi,z,ptD,ptjet,deltaR, AODEvent());
+
+ }
+
+ if(fCandidateType==kDstartoKpipi) {
+ AliAODRecoCascadeHF* dstar = (AliAODRecoCascadeHF*)candidate;
+ FillHistogramsDstarJetCorr(dstar,deltaphi,z,ptD,ptjet,deltaR);
+
+ }
+ } else{ //generated level
+ //AliInfo("Non reco");
+ FillHistogramsMCGenDJetCorr(deltaphi,z,ptD,ptjet,deltaR);
+ }
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::FillHistogramsD0JetCorr(AliAODRecoDecayHF* candidate, Double_t dPhi, Double_t z, Double_t ptD, Double_t ptj,Double_t deltaR, AliAODEvent* aodEvent){
+
+
+ Double_t masses[2]={0.,0.};
+ Int_t pdgdaughtersD0[2]={211,321};//pi,K
+ Int_t pdgdaughtersD0bar[2]={321,211};//K,pi
+
+ masses[0]=candidate->InvMass(fNProngs,(UInt_t*)pdgdaughtersD0); //D0
+ masses[1]=candidate->InvMass(fNProngs,(UInt_t*)pdgdaughtersD0bar); //D0bar
+
+ TH3F* hPtJetWithD=(TH3F*)fmyOutput->FindObject("hPtJetWithD");
+ THnSparseF* hsDphiz=(THnSparseF*)fmyOutput->FindObject("hsDphiz");
+ Double_t point[5]={z,dPhi,ptj,ptD,masses[0]};
+
+ Int_t isselected=fCuts->IsSelected(candidate,AliRDHFCuts::kAll,aodEvent);
+ if(isselected==1 || isselected==3) {
+
+ if(deltaR<fJetRadius) hPtJetWithD->Fill(ptj,masses[0],ptD);
+
+ FillMassHistograms(masses[0], ptD, deltaR);
+ hsDphiz->Fill(point,1.);
+ }
+ if(isselected>=2) {
+ if(deltaR<fJetRadius) hPtJetWithD->Fill(ptj,masses[1],ptD);
+
+ FillMassHistograms(masses[1], ptD, deltaR);
+ point[4]=masses[1];
+ hsDphiz->Fill(point,1.);
+ }
+
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::FillHistogramsDstarJetCorr(AliAODRecoCascadeHF* dstar, Double_t dPhi, Double_t z, Double_t ptD, Double_t ptj, Double_t deltaR){
+ //dPhi and z not used at the moment,but will be (re)added
+
+ AliAODTrack *softpi = (AliAODTrack*)dstar->GetBachelor();
+ Double_t deltamass= dstar->DeltaInvMass();
+ //Double_t massD0= dstar->InvMassD0();
+
+
+ TH1F* hPtPion=(TH1F*)fmyOutput->FindObject("hPtPion");
+ hPtPion->Fill(softpi->Pt());
+
+ TH3F* hPtJetWithD=(TH3F*)fmyOutput->FindObject("hPtJetWithD");
+ THnSparseF* hsDphiz=(THnSparseF*)fmyOutput->FindObject("hsDphiz");
+ Int_t isSB=IsDzeroSideBand(dstar);
+
+ Double_t point[6]={z,dPhi,ptj,ptD,deltamass,isSB};
+
+ if(deltaR<fJetRadius) hPtJetWithD->Fill(ptj,deltamass,ptD);
+
+ FillMassHistograms(deltamass, ptD, deltaR);
+ hsDphiz->Fill(point,1.);
+
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::FillHistogramsMCGenDJetCorr(Double_t dPhi,Double_t z,Double_t ptD,Double_t ptjet,Double_t deltaR){
+
+ Double_t pdgmass=0;
+ TH3F* hPtJetWithD=(TH3F*)fmyOutput->FindObject("hPtJetWithD");
+ THnSparseF* hsDphiz=(THnSparseF*)fmyOutput->FindObject("hsDphiz");
+ Double_t point[6]={z,dPhi,ptjet,ptD,pdgmass,0};
+
+ if(fCandidateType==kD0toKpi) pdgmass=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ if(fCandidateType==kDstartoKpipi) pdgmass=TDatabasePDG::Instance()->GetParticle(413)->Mass()-TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ point[4]=pdgmass;
+
+ if(deltaR<fJetRadius) {
+ hPtJetWithD->Fill(ptjet,pdgmass,ptD); // candidates within a jet
+ hsDphiz->Fill(point,1.);
+ }
+
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::FillMassHistograms(Double_t mass,Double_t ptD, Double_t deltaR){
+
+ if(deltaR<fJetRadius) {
+ TH2F* hInvMassptD=(TH2F*)fmyOutput->FindObject("hInvMassptD");
+ hInvMassptD->Fill(mass,ptD);
+ }
+}
+
+//________________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::FlagFlavour(AliVParticle *charm, AliEmcalJet *jet){
+ Double_t deltaR=DeltaR(charm, jet);
+ AliEmcalJet::EFlavourTag tag=AliEmcalJet::kDStar;
+ if (fCandidateType==kD0toKpi) tag=AliEmcalJet::kD0;
+ if (deltaR<fJetRadius) jet->AddFlavourTag(tag);
+
+ return;
+
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::SideBandBackground(AliAODRecoCascadeHF *candDstar, AliEmcalJet *jet){
+
+ // D* side band background method. Two side bands, in M(Kpi) are taken at ~6 sigmas
+ // (expected detector resolution) on the left and right frm the D0 mass. Each band
+ // has a width of ~5 sigmas. Two band needed for opening angle considerations
+ TH2F* hDiffSideBand=(TH2F*)fmyOutput->FindObject("hDiffSideBand");
+ TH3F* hPtJetWithDsb=(TH3F*)fmyOutput->FindObject("hPtJetWithDsb");
+
+ Double_t deltaM=candDstar->DeltaInvMass();
+ //Printf("Inv mass = %f between %f and %f or %f and %f?",invM, sixSigmal,fourSigmal,fourSigmar,sixSigmar);
+ Double_t ptD=candDstar->Pt();
+ Double_t ptjet=jet->Pt();
+ Double_t dPhi=jet->Phi()-candDstar->Phi();
+ Double_t deltaR=DeltaR(candDstar,jet);
+ if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
+ if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
+
+ Int_t isSideBand=IsDzeroSideBand(candDstar);
+ //fill the background histogram with the side bands or when looking at MC with the real background
+ if(isSideBand==1){
+ hDiffSideBand->Fill(deltaM,ptD); // M(Kpipi)-M(Kpi) side band background
+ //hdeltaPhiDjaB->Fill(deltaM,ptD,dPhi);
+
+ if(deltaR<fJetRadius){ // evaluate in the near side
+ //hzptDB->Fill(Z(candDstar,jet),deltaM,ptD);
+ hPtJetWithDsb->Fill(ptjet,deltaM,ptD);
+ }
+ }
+}
+
+//_______________________________________________________________________________
+
+void AliAnalysisTaskFlavourFilterAndJetCorrelations::MCBackground(AliAODRecoDecayHF *candbg, AliEmcalJet *jet){
+
+ //need mass, deltaR, pt jet, ptD
+ //two cases: D0 and Dstar
+
+ Int_t isselected=fCuts->IsSelected(candbg,AliRDHFCuts::kAll, AODEvent());
+ if(!isselected) return;
+
+ Double_t ptD=candbg->Pt();
+ Double_t ptjet=jet->Pt();
+ Double_t deltaR=DeltaR(candbg,jet);
+
+ TH2F* hInvMassptDbg=(TH2F*)fmyOutput->FindObject("hInvMassptDbg");
+ TH3F* hPtJetWithDsb=(TH3F*)fmyOutput->FindObject("hPtJetWithDsb");
+
+
+ if(fCandidateType==kDstartoKpipi){
+ AliAODRecoCascadeHF* dstarbg = (AliAODRecoCascadeHF*)candbg;
+ Double_t deltaM=dstarbg->DeltaInvMass();
+ hInvMassptDbg->Fill(deltaM,ptD);
+ if(deltaR<fJetRadius) hPtJetWithDsb->Fill(ptjet,deltaM,ptD);
+ }
+
+ if(fCandidateType==kD0toKpi){
+ Double_t masses[2]={0.,0.};
+ Int_t pdgdaughtersD0[2]={211,321};//pi,K
+ Int_t pdgdaughtersD0bar[2]={321,211};//K,pi
+
+ masses[0]=candbg->InvMass(fNProngs,(UInt_t*)pdgdaughtersD0); //D0
+ masses[1]=candbg->InvMass(fNProngs,(UInt_t*)pdgdaughtersD0bar); //D0bar
+
+
+ if(isselected==1 || isselected==3) {
+ if(deltaR<fJetRadius) hPtJetWithDsb->Fill(ptjet,masses[0],ptD);
+ hInvMassptDbg->Fill(masses[0],ptD);
+ }
+ if(isselected>=2) {
+ if(deltaR<fJetRadius) hPtJetWithDsb->Fill(ptjet,masses[1],ptD);
+ hInvMassptDbg->Fill(masses[1],ptD);
+ }
+
+
+ }
+}
+
+//_______________________________________________________________________________
+
+Float_t AliAnalysisTaskFlavourFilterAndJetCorrelations::DeltaR(AliVParticle *p1, AliVParticle *p2) const {
+ //Calculate DeltaR between p1 and p2: DeltaR=sqrt(Delataphi^2+DeltaEta^2)
+
+ if(!p1 || !p2) return -1;
+ Double_t phi1=p1->Phi(),eta1=p1->Eta();
+ Double_t phi2 = p2->Phi(),eta2 = p2->Eta() ;
+
+ Double_t dPhi=phi1-phi2;
+ if(dPhi<=-(TMath::Pi())/2) dPhi = dPhi+2*(TMath::Pi());
+ if(dPhi>(3*(TMath::Pi()))/2) dPhi = dPhi-2*(TMath::Pi());
+
+ Double_t dEta=eta1-eta2;
+ Double_t deltaR=TMath::Sqrt(dEta*dEta + dPhi*dPhi );
+ return deltaR;
+
+}
+
+//_______________________________________________________________________________
+
+Int_t AliAnalysisTaskFlavourFilterAndJetCorrelations::IsDzeroSideBand(AliAODRecoCascadeHF *candDstar){
+
+ Double_t ptD=candDstar->Pt();
+ Int_t bin = fCuts->PtBin(ptD);
+ if (bin < 0){
+ // /PWGHF/vertexingHF/AliRDHFCuts::PtBin(Double_t) const may return values below zero depending on config.
+ bin = 9999; // void result code for coverity (bin later in the code non-zero) - will coverity pick up on this?
+ return -1; // out of bounds
+ }
+
+ Double_t invM=candDstar->InvMassD0();
+ Double_t mPDGD0=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+
+ Float_t fourSigmal= mPDGD0-4.*fSigmaD0[bin] , sixSigmal= mPDGD0-8.*fSigmaD0[bin];
+ Float_t fourSigmar= mPDGD0+4.*fSigmaD0[bin] , sixSigmar= mPDGD0+8.*fSigmaD0[bin];
+
+ if((invM>=sixSigmal && invM<fourSigmal) || (invM>fourSigmar && invM<=sixSigmar)) return 1;
+ else return 0;
+
+}
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff