AddTask for the 3prong case in new CF task (Renu)
authordainese <dainese@f7af4fe6-9843-0410-8265-dc069ae4e863>
Fri, 24 Sep 2010 22:42:19 +0000 (22:42 +0000)
committerdainese <dainese@f7af4fe6-9843-0410-8265-dc069ae4e863>
Fri, 24 Sep 2010 22:42:19 +0000 (22:42 +0000)
PWG3/vertexingHF/macros/AddTaskCFVertexingHF3Prong.C [new file with mode: 0644]

diff --git a/PWG3/vertexingHF/macros/AddTaskCFVertexingHF3Prong.C b/PWG3/vertexingHF/macros/AddTaskCFVertexingHF3Prong.C
new file mode 100644 (file)
index 0000000..601925c
--- /dev/null
@@ -0,0 +1,512 @@
+//DEFINITION OF A FEW CONSTANTS
+const Double_t ymin  = -2.1 ;
+const Double_t ymax  =  2.1 ;
+// const Double_t ptmin_0_4 =  0.0 ;
+// const Double_t ptmax_0_4 =  4.0 ;
+// const Double_t ptmin_4_8 =  4.0 ;
+// const Double_t ptmax_4_8 =  8.0 ;
+// const Double_t ptmin_8_10 =  8.0 ;
+// const Double_t ptmax_8_10 =  10.0 ;
+const Double_t cosmin = -1.05;
+const Double_t cosmax =  1.05;
+const Double_t cTmin = 0;  // micron
+const Double_t cTmax = 500;  // micron
+const Double_t dcamin = 0;  // micron
+const Double_t dcamax = 500;  // micron
+const Double_t d0min = -1000;  // micron
+const Double_t d0max = 1000;  // micron
+const Double_t d0xd0min = -100000;  // micron
+const Double_t d0xd0max = 100000;  // micron
+const Double_t phimin = 0.0;  
+//const Double_t phimax = 2Pi;  // defined in the macro!!!!!!!!!!!!!!  
+const Int_t    mintrackrefsTPC = 2 ;
+const Int_t    mintrackrefsITS = 3 ;
+const Int_t    charge  = 1 ;
+const Int_t    PDG = 411; 
+const Int_t    minclustersTPC = 50 ;
+// cuts
+const Double_t ptmin = 0.1;
+const Double_t ptmax = 9999.;
+const Double_t etamin = -0.9;
+const Double_t etamax = 0.9;
+const Double_t zmin = -15;
+const Double_t zmax = 15;
+const Int_t    minITSClusters = 5;
+
+//----------------------------------------------------
+
+AliCFTaskVertexingHF *AddTaskCFVertexingHF3Prong(const char* cutFile = "./DplustoKpipiCuts.root",Bool_t isKeepDfromB=kFALSE, Bool_t isKeepDfromBOnly=kFALSE)
+{
+       printf("Addig CF task using cuts from file %s\n",cutFile);
+
+       TFile* fileCuts = new TFile(cutFile);
+       AliRDHFCutsDplustoKpipi *cutsDplustoKpipi = (AliRDHFCutsDplustoKpipi*)fileCuts->Get("DplustoKpipiCuts");
+       
+       // check that the fKeepD0fromB flag is set to true when the fKeepD0fromBOnly flag is true
+       //  for now the binning is the same than for all D's
+       if(isKeepDfromBOnly) isKeepDfromB = true;
+       
+
+       /*
+         Double_t ptmin_0_4;
+         Double_t ptmax_0_4;
+         Double_t ptmin_4_8;
+         Double_t ptmax_4_8;
+         Double_t ptmin_8_10;
+         Double_t ptmax_8_10;
+         
+         if(!isKeepDfromB){
+         ptmin_0_4 =  0.0 ;
+         ptmax_0_4 =  4.0 ;
+         ptmin_4_8 =  4.0 ;
+         ptmax_4_8 =  8.0 ;
+         ptmin_8_10 =  8.0 ;
+         ptmax_8_10 =  10.0 ;
+         } else{
+         ptmin_0_4 =  0.0 ;
+         ptmax_0_4 =  3.0 ;
+         ptmin_4_8 =  3.0 ;
+         ptmax_4_8 =  5.0 ;
+         ptmin_8_10 =  5.0 ;
+         ptmax_8_10 =  10.0 ;
+         }
+       */
+
+       //CONTAINER DEFINITION
+       Info("AliCFTaskVertexingHF","SETUP CONTAINER");
+       //the sensitive variables, their indices
+       UInt_t ipt = 0;
+       UInt_t iy  = 1;
+       UInt_t iphi  = 2;
+       UInt_t icT  = 3;
+       UInt_t ipointing  = 4;
+       UInt_t iptpi  = 5;
+       UInt_t iptK  = 6;
+       UInt_t iptpi2  = 7;
+       UInt_t id0pi  = 8;
+       UInt_t id0K  = 9;
+       UInt_t id0pi2  = 10;
+       UInt_t iz  = 11;
+
+       const Double_t phimax = 2*TMath::Pi();
+
+       //Setting up the container grid... 
+       UInt_t nstep = 10; //number of selection steps: MC with limited acceptance, MC, Acceptance, Vertex, Refit, Reco (no cuts), RecoAcceptance, RecoITSClusters (RecoAcceptance included), RecoPPR (RecoAcceptance+RecoITSCluster included), RecoPID 
+       const Int_t nvar   = 12 ; //number of variables on the grid:pt, y, cosThetaStar, pTpi, pTk, cT, dca, d0pi, d0K, d0xd0, cosPointingAngle, phi 
+//     const Int_t nbin0_0_4  = 8 ; //bins in pt from 0 to 4 GeV
+//     const Int_t nbin0_4_8  = 4 ; //bins in pt from 4 to 8 GeV
+//     const Int_t nbin0_8_10  = 1 ; //bins in pt from 8 to 10 GeV
+
+/*
+       Int_t nbin0_0_4;
+       Int_t nbin0_4_8;
+       Int_t nbin0_8_10;
+       if (!isKeepDfromB){
+         nbin0_0_4  = 8 ; //bins in pt from 0 to 4 GeV
+         nbin0_4_8  = 4 ; //bins in pt from 4 to 8 GeV
+         nbin0_8_10  = 1 ; //bins in pt from 8 to 10 GeV
+       }else{
+         nbin0_0_4  = 3 ; //bins in pt from 0 to 3 GeV
+         nbin0_4_8  = 1 ; //bins in pt from 3 to 5 GeV
+         nbin0_8_10  = 1 ; //bins in pt from 5 to 10 GeV
+       }
+*/
+       const Int_t nbin0 = cutsDplustoKpipi->GetNPtBins(); // bins in pT
+       printf("pT: nbin (from cuts file) = %d\n",nbin0);
+       const Int_t nbin1  = 42 ; //bins in y
+       const Int_t nbin2  = 20 ; //bins in phi
+       const Int_t nbin3  = 24 ; //bins in cT 
+       const Int_t nbin4  = 1050 ; //bins in cosPointingAngle  
+       const Int_t nbin5_0_4  = 8 ; //bins in ptPi from 0 to 4 GeV
+       const Int_t nbin5_4_8  = 4 ; //bins in ptPi from 4 to 8 GeV
+       const Int_t nbin5_8_10  = 1 ; //bins in ptPi from 8 to 10 GeV
+       const Int_t nbin6_0_4  = 8 ; //bins in ptKa from 0 to 4 GeV
+       const Int_t nbin6_4_8  = 4 ; //bins in ptKa from 4 to 8 GeV
+       const Int_t nbin6_8_10  = 1 ; //bins in ptKa from 8 to 10 GeV
+       const Int_t nbin7_0_4  = 8 ; //bins in ptpi2 from 0 to 4 GeV
+       const Int_t nbin7_4_8  = 4 ; //bins in ptpi2 from 4 to 8 GeV
+       const Int_t nbin7_8_10  = 1 ; //bins in ptpi2 from 8 to 10 GeV
+       const Int_t nbin8  = 100 ; //bins in d0pi
+       const Int_t nbin9  = 100 ; //bins in d0K
+       const Int_t nbin10  = 100 ; //bins in d0pi2
+       const Int_t nbin11  = 60 ; //bins in z vertex
+       
+       //arrays for the number of bins in each dimension
+       Int_t iBin[nvar];
+       //iBin[0]=nbin0_0_4+nbin0_4_8+nbin0_8_10;
+       iBin[0]=nbin0;
+       iBin[1]=nbin1;
+       iBin[2]=nbin2;
+       //      iBin[3]=nbin3_0_4+nbin3_4_8+nbin3_8_10;
+       //iBin[4]=nbin4_0_4+nbin4_4_8+nbin4_8_10;
+       iBin[3]=nbin3;
+       iBin[4]=nbin4;
+       iBin[5]=nbin0;
+       iBin[6]=nbin0;
+       iBin[7]=nbin0;
+       iBin[8]=nbin8;
+       iBin[9]=nbin9;
+       iBin[10]=nbin10;
+       iBin[11]=nbin11;
+       
+       
+       //arrays for lower bounds :
+       Double_t *binLim0=new Double_t[iBin[0]+1];
+       Double_t *binLim1=new Double_t[iBin[1]+1];
+       Double_t *binLim2=new Double_t[iBin[2]+1];
+       Double_t *binLim3=new Double_t[iBin[3]+1];
+       Double_t *binLim4=new Double_t[iBin[4]+1];
+       Double_t *binLim5=new Double_t[iBin[5]+1];
+       Double_t *binLim6=new Double_t[iBin[6]+1];
+       Double_t *binLim7=new Double_t[iBin[7]+1];
+       Double_t *binLim8=new Double_t[iBin[8]+1];
+       Double_t *binLim9=new Double_t[iBin[9]+1];
+       Double_t *binLim10=new Double_t[iBin[10]+1];
+       Double_t *binLim11=new Double_t[iBin[11]+1];
+       
+
+       // checking limits
+       /*
+       if (ptmax_0_4 != ptmin_4_8) {
+               Error("AliCFHeavyFlavourTaskMultiVarMultiStep","max lim 1st range != min lim 2nd range, please check!");
+       }
+       if (ptmax_4_8 != ptmin_8_10) {
+               Error("AliCFHeavyFlavourTaskMultiVarMultiStep","max lim 2nd range != min lim 3rd range, please check!");
+       }
+       */
+       // values for bin lower bounds
+       // pt
+       Float_t* floatbinLim0 = cutsDplustoKpipi->GetPtBinLimits();
+       for (Int_t ibin0 = 0 ; ibin0<iBin[0]+1; ibin0++){
+               binLim0[ibin0] = (Double_t)floatbinLim0[ibin0];
+               binLim5[ibin0] = (Double_t)floatbinLim0[ibin0];
+               binLim6[ibin0] = (Double_t)floatbinLim0[ibin0];
+               binLim7[ibin0] = (Double_t)floatbinLim0[ibin0];
+       }
+       for(Int_t i=0; i<=nbin0; i++) printf("binLim0[%d]=%f\n",i,binLim0[i]);  
+
+       /*
+       for(Int_t i=0; i<=nbin0_0_4; i++) binLim0[i]=(Double_t)ptmin_0_4 + (ptmax_0_4-ptmin_0_4)/nbin0_0_4*(Double_t)i ; 
+       if (binLim0[nbin0_0_4] != ptmin_4_8)  {
+               Error("AliCFHeavyFlavourTaskMultiVarMultiStep","Calculated bin lim for pt - 1st range - differs from expected!\n");
+       }
+       for(Int_t i=0; i<=nbin0_4_8; i++) binLim0[i+nbin0_0_4]=(Double_t)ptmin_4_8 + (ptmax_4_8-ptmin_4_8)/nbin0_4_8*(Double_t)i ; 
+       if (binLim0[nbin0_0_4+nbin0_4_8] != ptmin_8_10)  {
+               Error("AliCFHeavyFlavourTaskMultiVarMultiStep","Calculated bin lim for pt - 2nd range - differs from expected!\n");
+       }
+       for(Int_t i=0; i<=nbin0_8_10; i++) binLim0[i+nbin0_0_4+nbin0_4_8]=(Double_t)ptmin_8_10 + (ptmax_8_10-ptmin_8_10)/nbin0_8_10*(Double_t)i ; 
+       */
+
+       // y
+       for(Int_t i=0; i<=nbin1; i++) binLim1[i]=(Double_t)ymin  + (ymax-ymin)  /nbin1*(Double_t)i ;
+
+       // cosThetaStar
+       //      for(Int_t i=0; i<=nbin2; i++) binLim2[i]=(Double_t)cosmin  + (cosmax-cosmin)  /nbin2*(Double_t)i ;
+       // Phi
+       for(Int_t i=0; i<=nbin2; i++) binLim2[i]=(Double_t)phimin  + (phimax-phimin)  /nbin2*(Double_t)i ;
+
+       // cT
+       for(Int_t i=0; i<=nbin3; i++) binLim3[i]=(Double_t)cTmin  + (cTmax-cTmin)  /nbin3*(Double_t)i ;
+
+       // cosPointingAngle
+       for(Int_t i=0; i<=nbin4; i++) binLim4[i]=(Double_t)cosmin  + (cosmax-cosmin)  /nbin4*(Double_t)i ;
+
+       /*
+       // ptPi
+       for(Int_t i=0; i<=nbin3_0_4; i++) binLim3[i]=(Double_t)ptmin_0_4 + (ptmax_0_4-ptmin_0_4)/nbin3_0_4*(Double_t)i ; 
+       if (binLim3[nbin3_0_4] != ptmin_4_8)  {
+               Error("AliCFHeavyFlavourTaskMultiVarMultiStep","Calculated bin lim for ptPi - 1st range - differs from expected!");
+       }
+       for(Int_t i=0; i<=nbin3_4_8; i++) binLim3[i+nbin3_0_4]=(Double_t)ptmin_4_8 + (ptmax_4_8-ptmin_4_8)/nbin3_4_8*(Double_t)i ; 
+       if (binLim3[nbin3_0_4+nbin3_4_8] != ptmin_8_10)  {
+               Error("AliCFHeavyFlavourTaskMultiVarMultiStep","Calculated bin lim for ptPi - 2nd range - differs from expected!\n");
+       }
+       for(Int_t i=0; i<=nbin3_8_10; i++) binLim3[i+nbin3_0_4+nbin3_4_8]=(Double_t)ptmin_8_10 + (ptmax_8_10-ptmin_8_10)/nbin3_8_10*(Double_t)i ; 
+
+       // ptKa
+       for(Int_t i=0; i<=nbin4_0_4; i++) binLim4[i]=(Double_t)ptmin_0_4 + (ptmax_0_4-ptmin_0_4)/nbin4_0_4*(Double_t)i ; 
+       if (binLim4[nbin4_0_4] != ptmin_4_8)  {
+               Error("AliCFHeavyFlavourTaskMultiVarMultiStep","Calculated bin lim for ptKa - 1st range - differs from expected!");
+       }
+       for(Int_t i=0; i<=nbin4_4_8; i++) binLim4[i+nbin4_0_4]=(Double_t)ptmin_4_8 + (ptmax_4_8-ptmin_4_8)/nbin4_4_8*(Double_t)i ; 
+       if (binLim4[nbin4_0_4+nbin4_4_8] != ptmin_8_10)  {
+               Error("AliCFHeavyFlavourTaskMultiVarMultiStep","Calculated bin lim for ptKa - 2nd range - differs from expected!\n");
+       }
+       for(Int_t i=0; i<=nbin4_8_10; i++) binLim4[i+nbin4_0_4+nbin4_4_8]=(Double_t)ptmin_8_10 + (ptmax_8_10-ptmin_8_10)/nbin4_8_10*(Double_t)i ; 
+       */
+
+
+       // dca
+       //for(Int_t i=0; i<=nbin6; i++) binLim6[i]=(Double_t)dcamin  + (dcamax-dcamin)  /nbin6*(Double_t)i ;
+
+       // d0pi
+       for(Int_t i=0; i<=nbin8; i++) binLim8[i]=(Double_t)d0min  + (d0max-d0min)  /nbin8*(Double_t)i ;
+
+       // d0K
+       for(Int_t i=0; i<=nbin9; i++) binLim9[i]=(Double_t)d0min  + (d0max-d0min)  /nbin9*(Double_t)i ;
+
+       // d0pi2
+       for(Int_t i=0; i<=nbin10; i++) binLim10[i]=(Double_t)d0min  + (d0max-d0min)  /nbin10*(Double_t)i ;
+
+
+
+
+
+       // z Primary Vertex
+       for(Int_t i=0; i<=nbin11; i++) {
+               binLim11[i]=(Double_t)zmin  + (zmax-zmin)  /nbin11*(Double_t)i ;
+               //              Info("AliCFHeavyFlavourTaskMultiVarMultiStep",Form("i-th bin, lower limit = %f", binLim12[i]));
+       }
+
+       // debugging printings
+       //Info("AliCFHeavyFlavourTaskMultiVarMultiStep","Printing lower limits for bins in pt");
+       //for (Int_t i =0; i<= iBin[0]; i++){
+       //      Info("AliCFHeavyFlavourTaskMultiVarMultiStep",Form("i-th bin, lower limit = %f", binLim0[i]));
+       //}
+       //Info("Printing lower limits for bins in ptPi");
+       //for (Int_t i =0; i<= iBin[3]; i++){
+       //      Info("AliCFHeavyFlavourTaskMultiVarMultiStep",Form("i-th bin, lower limit = %f", binLim3[i]));
+       //}
+       //Info("Printing lower limits for bins in ptKa");
+       //for (Int_t i =0; i<= iBin[4]; i++){
+       //      Info("AliCFHeavyFlavourTaskMultiVarMultiStep",Form("i-th bin, lower limit = %f", binLim4[i]));
+       //      }
+
+       //one "container" for MC
+       TString nameContainer="";
+       if(!isKeepDfromB) {
+         nameContainer="CFHFccontainer0_New_3Prong";
+       }
+       else  if(isKeepDfromBOnly){
+         nameContainer="CFHFccontainer0DfromB_New_3Prong";
+       }
+       else  {
+         nameContainer="CFHFccontainer0allD_New_3Prong";
+         
+       }
+       
+       AliCFContainer* container = new AliCFContainer(nameContainer,"container for tracks",nstep,nvar,iBin);
+       //setting the bin limits
+       printf("pt\n");
+       container -> SetBinLimits(ipt,binLim0);
+       printf("y\n");
+       container -> SetBinLimits(iy,binLim1);
+       printf("Phi\n");
+       container -> SetBinLimits(iphi,binLim2);
+       printf("cT\n");
+       container -> SetBinLimits(icT,binLim3);
+       printf("pointing angle\n");
+       container -> SetBinLimits(ipointing,binLim4);
+       printf("ptpi\n");
+       container -> SetBinLimits(iptpi,binLim5);
+       printf("ptK\n");
+       container -> SetBinLimits(iptK,binLim6);
+       printf("ptpi2\n");
+       container -> SetBinLimits(iptpi2,binLim7);
+       printf("d0pi\n");
+       container -> SetBinLimits(id0pi,binLim8);
+       printf("d0K\n");
+       container -> SetBinLimits(id0K,binLim9);
+       printf("d0pi2\n");
+       container -> SetBinLimits(id0pi2,binLim10);
+       printf("z \n");
+       container -> SetBinLimits(iz,binLim11);
+       
+       
+       container -> SetStepTitle(0, "MCLimAcc");
+       container -> SetStepTitle(1, "MC");
+        container -> SetStepTitle(2, "MCAcc");
+        container -> SetStepTitle(3, "RecoVertex");
+        container -> SetStepTitle(4, "RecoRefit");
+        container -> SetStepTitle(5, "Reco");
+        container -> SetStepTitle(6, "RecoAcc");
+       container -> SetStepTitle(7, "RecoITSCluster");
+       container -> SetStepTitle(8, "RecoCuts");
+       container -> SetStepTitle(8, "RecoPID");
+
+        container -> SetVarTitle(ipt,"pt");
+       container -> SetVarTitle(iy,"y");
+        container -> SetVarTitle(iphi, "phi");
+        container -> SetVarTitle(icT, "ct");
+       container -> SetVarTitle(ipointing, "pionting");        
+       container -> SetVarTitle(iptpi, "ptpi");
+       container -> SetVarTitle(iptK, "ptK");
+       container -> SetVarTitle(iptpi2, "ptpi2");
+       container -> SetVarTitle(id0pi, "d0pi");
+        container -> SetVarTitle(id0K, "d0K");
+       container -> SetVarTitle(id0pi2, "d0pi2");
+       container -> SetVarTitle(iz, "z");
+
+
+       //CREATE THE  CUTS -----------------------------------------------
+       
+       // Gen-Level kinematic cuts
+       AliCFTrackKineCuts *mcKineCuts = new AliCFTrackKineCuts("mcKineCuts","MC-level kinematic cuts");
+       
+       //Particle-Level cuts:  
+       AliCFParticleGenCuts* mcGenCuts = new AliCFParticleGenCuts("mcGenCuts","MC particle generation cuts");
+       mcGenCuts->SetRequirePdgCode(PDG, kTRUE);  // kTRUE set in order to include D0_bar
+       mcGenCuts->SetAODMC(1); //special flag for reading MC in AOD tree (important)
+       
+       // Acceptance cuts:
+       AliCFAcceptanceCuts* accCuts = new AliCFAcceptanceCuts("accCuts", "Acceptance cuts");
+       AliCFTrackKineCuts *kineAccCuts = new AliCFTrackKineCuts("kineAccCuts","Kine-Acceptance cuts");
+       kineAccCuts->SetPtRange(ptmin,ptmax);
+       kineAccCuts->SetEtaRange(etamin,etamax);
+
+       // Rec-Level kinematic cuts
+       AliCFTrackKineCuts *recKineCuts = new AliCFTrackKineCuts("recKineCuts","rec-level kine cuts");
+       
+       AliCFTrackQualityCuts *recQualityCuts = new AliCFTrackQualityCuts("recQualityCuts","rec-level quality cuts");
+       
+       AliCFTrackIsPrimaryCuts *recIsPrimaryCuts = new AliCFTrackIsPrimaryCuts("recIsPrimaryCuts","rec-level isPrimary cuts");
+       
+       printf("CREATE MC KINE CUTS\n");
+       TObjArray* mcList = new TObjArray(0) ;
+       mcList->AddLast(mcKineCuts);
+       mcList->AddLast(mcGenCuts);
+       
+       printf("CREATE ACCEPTANCE CUTS\n");
+       TObjArray* accList = new TObjArray(0) ;
+       accList->AddLast(kineAccCuts);
+
+       printf("CREATE RECONSTRUCTION CUTS\n");
+       TObjArray* recList = new TObjArray(0) ;   // not used!! 
+       recList->AddLast(recKineCuts);
+       recList->AddLast(recQualityCuts);
+       recList->AddLast(recIsPrimaryCuts);
+       
+       TObjArray* emptyList = new TObjArray(0);
+
+       //CREATE THE INTERFACE TO CORRECTION FRAMEWORK USED IN THE TASK
+       printf("CREATE INTERFACE AND CUTS\n");
+       AliCFManager* man = new AliCFManager() ;
+       man->SetParticleContainer(container);
+       man->SetParticleCutsList(0 , mcList); // MC, Limited Acceptance
+       man->SetParticleCutsList(1 , mcList); // MC
+       man->SetParticleCutsList(2 , accList); // Acceptance 
+       man->SetParticleCutsList(3 , emptyList); // Vertex 
+       man->SetParticleCutsList(4 , emptyList); // Refit 
+       man->SetParticleCutsList(5 , emptyList); // AOD
+       man->SetParticleCutsList(6 , emptyList); // AOD in Acceptance
+       man->SetParticleCutsList(7 , emptyList); // AOD with required n. of ITS clusters
+       man->SetParticleCutsList(8 , emptyList); // AOD Reco (PPR cuts implemented in Task)
+       man->SetParticleCutsList(9 , emptyList); // AOD Reco PID
+       
+       // Get the pointer to the existing analysis manager via the static access method.
+       //==============================================================================
+       AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
+       if (!mgr) {
+         ::Error("AddTaskCompareHF", "No analysis manager to connect to.");
+         return NULL;
+       }   
+       //CREATE THE TASK
+       printf("CREATE TASK\n");
+
+       // create the task
+       AliCFTaskVertexingHF *task = new AliCFTaskVertexingHF("AliCFTaskVertexingHF",cutsDplustoKpipi);
+       // task->SetFillFromGenerated(kFALSE);
+       //task->SetMinITSClusters(minITSClusters);
+       task->SetDecayChannel(31);
+       task->SetUseWeight(kFALSE);
+       task->SetCFManager(man); //here is set the CF manager
+
+       //      task->SetFeedDownExclusion(isKeepDfromB);
+       
+
+        //-----------------------------------------------------------//
+        //   create correlation matrix for unfolding - only eta-pt   //
+        //-----------------------------------------------------------//
+
+        Bool_t AcceptanceUnf = kTRUE; // unfold at acceptance level, otherwise PPR
+
+        Int_t thnDim[4];
+        
+        //first half  : reconstructed 
+        //second half : MC
+
+        thnDim[0] = iBin[0];
+        thnDim[2] = iBin[0];
+        thnDim[1] = iBin[1];
+        thnDim[3] = iBin[1];
+
+       TString nameCorr="";
+       if(!isKeepDfromB) {
+         nameCorr="CFHFcorr0_New_3Prong";
+       }
+       else  if(isKeepD0fromBOnly){
+         nameCorr= "CFHFcorr0KeepDfromBOnly_3Prong";
+       }
+       else  {
+         nameCorr="CFHFcorr0allD_New_3Prong";
+
+       }
+
+        THnSparseD* correlation = new THnSparseD(nameCorr,"THnSparse with correlations",4,thnDim);
+        Double_t** binEdges = new Double_t[2];
+
+        // set bin limits
+
+        binEdges[0]= binLim0;
+        binEdges[1]= binLim1;
+
+        correlation->SetBinEdges(0,binEdges[0]);
+        correlation->SetBinEdges(2,binEdges[0]);
+
+        correlation->SetBinEdges(1,binEdges[1]);
+        correlation->SetBinEdges(3,binEdges[1]);
+
+        correlation->Sumw2();
+  
+        // correlation matrix ready
+        //------------------------------------------------//
+
+        task->SetCorrelationMatrix(correlation); // correlation matrix for unfolding
+       
+       // Create and connect containers for input/output
+       
+       // ------ input data ------
+       AliAnalysisDataContainer *cinput0  = mgr->GetCommonInputContainer();
+       
+       // ----- output data -----
+       
+       TString outputfile = AliAnalysisManager::GetCommonFileName();
+       TString output1name="", output2name="", output3name="", output4name="";;
+       output2name=nameContainer;
+       output3name=nameCorr;
+       if(!isKeepDfromB) {
+         outputfile += ":PWG3_D2H_CFtaskDplustoKpipi_NEW";
+         output1name="CFHFchist0_New_3Prong";
+       }
+       else  if(isKeepDfromBOnly){
+         outputfile += ":PWG3_D2H_CFtaskDplustoKpipiKeepDfromBOnly";
+         output1name="CFHFchist0DfromB_3Prong";
+       }
+       else{
+         outputfile += ":PWG3_D2H_CFtaskDplustoKpipiKeepDfromB_NEW";
+         output1name="CFHFchist0allD_New_3Prong";
+         
+       }
+
+       output4name= "Cuts_3Prong";
+
+       //now comes user's output objects :
+       // output TH1I for event counting
+       AliAnalysisDataContainer *coutput1 = mgr->CreateContainer(output1name, TH1I::Class(),AliAnalysisManager::kOutputContainer,outputfile.Data());
+       // output Correction Framework Container (for acceptance & efficiency calculations)
+       AliAnalysisDataContainer *coutput2 = mgr->CreateContainer(output2name, AliCFContainer::Class(),AliAnalysisManager::kOutputContainer,outputfile.Data());
+       // Unfolding - correlation matrix
+        AliAnalysisDataContainer *coutput3 = mgr->CreateContainer(output3name, THnSparseD::Class(),AliAnalysisManager::kOutputContainer,outputfile.Data());
+       AliAnalysisDataContainer *coutput4 = mgr->CreateContainer(output4name, AliRDHFCuts::Class(),AliAnalysisManager::kOutputContainer, outputfile.Data());
+
+       mgr->AddTask(task);
+       
+       mgr->ConnectInput(task,0,mgr->GetCommonInputContainer());
+       mgr->ConnectOutput(task,1,coutput1);
+       mgr->ConnectOutput(task,2,coutput2);
+        mgr->ConnectOutput(task,3,coutput3);
+       mgr->ConnectOutput(task,4,coutput4);
+
+       return task;
+}
+