PWGHF/hfe/macros/configs/pPb/ConfigHFEnpepPb.C

   1 Bool_t ReadContaminationFunctions(TString filename, TF1 **functions, double sigma){
   2   TFile *in = TFile::Open(Form("$ALICE_ROOT/PWGHF/hfe/macros/configs/pPb/%s", filename.Data()));
   3   gROOT->cd();
   4   int isig = static_cast<int>(sigma * 100.);
   5   printf("Getting hadron background for the sigma cut: %d\n", isig);
   6   bool status = kTRUE;
   7   for(int icent = 0; icent < 12; icent++){
   8     functions[icent] = dynamic_cast<TF1 *>(in->Get(Form("hback_%d_%d", isig, icent)));
   9     if(functions[icent]) printf("Config for centrality class %d found\n", icent);
  10     else{
  11       printf("Config for the centrality class %d not found\n", icent);
  12       status = kFALSE;
  13     }
  14   }
  15   delete in;
  16   return status;
  17 }
  18
  19 AliAnalysisTaskHFE* ConfigHFEnpepPb(Bool_t useMC, Bool_t isAOD, TString appendix,
  20                 UChar_t TPCcl=70, UChar_t TPCclPID = 80,
  21                 UChar_t ITScl=3, Double_t DCAxy=1000., Double_t DCAz=1000.,
  22                 Double_t* tpcdEdxcutlow=NULL, Double_t* tpcdEdxcuthigh=NULL,
  23                 Double_t TOFs=3., Int_t TOFmis=0,
  24                 Int_t itshitpixel = 0, Int_t icent,
  25                             Double_t etami=-0.8, Double_t etama=0.8,
  26                 Double_t assETAm=-0.8, Double_t assETAp=0.8,
  27                 Int_t assITS=2,
  28                 Int_t assTPCcl=100, Int_t assTPCPIDcl=80,
  29                 Double_t assDCAr=1.0, Double_t assDCAz=2.0,
  30                 Double_t *assTPCSminus=NULL, Double_t *assTPCSplus=NULL,
  31                 Bool_t useCat1Tracks = kTRUE, Bool_t useCat2Tracks = kTRUE)
  32 {
  33   Bool_t kAnalyseTaggedTracks = kTRUE;
  34
  35   //***************************************//
  36   //        Setting up the HFE cuts        //
  37   //***************************************//
  38
  39   AliHFEcuts *hfecuts = new AliHFEcuts(appendix,"HFE cuts for pPb");
  40   //hfecuts->SetQAOn();
  41   hfecuts->CreateStandardCuts();
  42   hfecuts->SetMinNClustersTPC(TPCcl);
  43   hfecuts->SetMinNClustersTPCPID(TPCclPID);
  44   hfecuts->SetMinNClustersITS(ITScl);
  45   hfecuts->SetMinRatioTPCclusters(0.6);
  46   hfecuts->SetTPCmodes(AliHFEextraCuts::kFound, AliHFEextraCuts::kFoundOverFindable);
  47   hfecuts->SetCutITSpixel(itshitpixel);
  48   hfecuts->SetCheckITSLayerStatus(kFALSE);
  49   hfecuts->SetEtaRange(etami,etama);
  50   if(isAOD) hfecuts->SetAODFilterBit(4);
  51
  52   //if((iPixelAny==AliHFEextraCuts::kAny) || (iPixelAny==AliHFEextraCuts::kSecond))
  53   //hfecuts->SetProductionVertex(0,7,0,7);
  54
  55   hfecuts->SetMaxImpactParam(DCAxy,DCAz);
  56   hfecuts->SetUseMixedVertex(kTRUE);
  57   hfecuts->SetVertexRange(10.);
  58   // New pPb cuts (February 2013)
  59   hfecuts->SetUseCorrelationVertex();
  60   hfecuts->SetSPDVtxResolutionCut();
  61   hfecuts->SetpApileupCut();
  62
  63   // TOF settings:
  64   Int_t usetof=0;
  65   Bool_t kTOFmis=kFALSE;
  66   if (TOFs>0.){
  67     usetof = 1;
  68     printf("CONFIGURATION FILE: TOF is used \n");
  69     hfecuts->SetTOFPIDStep(kTRUE);
  70     printf("CONFIGURATION FILE: TOF PID step is requested !!!! \n");
  71     if (TOFmis>0){
  72       kTOFmis = kTRUE;
  73       printf("CONFIGURATION FILE: TOF mismatch rejection is set ON \n");
  74     }
  75   }
  76
  77   //***************************************//
  78   //        Setting up the task            //
  79   //***************************************//
  80
  81   AliAnalysisTaskHFE *task = new AliAnalysisTaskHFE(Form("HFEtask%s",appendix.Data()));
  82   printf("task %p\n", task);
  83   task->SetpPbAnalysis();
  84   if(!isAOD) task->SetRemoveFirstEventInChunk();
  85   task->SetRemovePileUp(kFALSE);
  86   task->SetHFECuts(hfecuts);
  87   task->GetPIDQAManager()->SetHighResolutionHistos();
  88
  89   // Determine the centrality estimator
  90   task->SetCentralityEstimator("V0A");
  91   if (icent == 2) task->SetCentralityEstimator("V0M");
  92   else if (icent == 3) task->SetCentralityEstimator("CL1");
  93   else if (icent == 4) task->SetCentralityEstimator("ZNA");
  94
  95   //***************************************//
  96   //          Variable manager             //
  97   //***************************************//
  98   // Define Variables
  99   Double_t ptbinning[36] = {0., 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1., 1.1, 1.2, 1.3, 1.4, 1.5, 1.75, 2., 2.25, 2.5, 2.75, 3., 3.5, 4., 4.5, 5., 5.5, 6., 7., 8., 10., 12., 14., 16., 18., 20.};
 100   Double_t etabinning[17] = {-0.8, -0.7, -0.6, -0.5, -0.4, -0.3, -0.2, -0.1, 0., 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8};
 101
 102   Int_t sizept=(sizeof(ptbinning)/sizeof(double))-1;
 103   Int_t sizeeta=(sizeof(etabinning)/sizeof(double))-1;
 104
 105   AliHFEvarManager *vm = task->GetVarManager();
 106   vm->AddVariable("pt", sizept, ptbinning);
 107   vm->AddVariable("eta", sizeeta, -0.8,0.8);
 108   vm->AddVariable("phi",21, -0, 2*TMath::Pi());
 109   vm->AddVariable("charge");
 110   vm->AddVariable("source");
 111   vm->AddVariable("centrality");
 112
 113   // For the moment, remove the part dedicated to the background subtraction.
 114   // It will be implemented in a different way, reading it from a root file.
 115
 116   //***************************************//
 117   //          Configure the PID            //
 118   //***************************************//
 119
 120   // Define PID
 121   AliHFEpid *pid = task->GetPID();
 122   if(useMC) pid->SetHasMCData(kTRUE);
 123
 124   if (usetof){
 125     pid->AddDetector("TOF", 0);
 126     pid->AddDetector("TPC", 1);
 127   } else {
 128     pid->AddDetector("TPC", 0);
 129   }
 130
 131   // Configure TPC PID
 132   // do the identical thing in data and MC
 133   Double_t paramsTPCdEdxcutlow[12] ={0.0, 0.0, 0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0};
 134   if(tpcdEdxcutlow) memcpy(paramsTPCdEdxcutlow,tpcdEdxcutlow,sizeof(paramsTPCdEdxcutlow));
 135
 136   Double_t paramsTPCdEdxcuthigh[12] ={3.0, 3.0, 3.0,3.0,3.0,3.0,3.0,3.0,3.0,3.0,3.0,3.0};
 137   if(tpcdEdxcuthigh) memcpy(paramsTPCdEdxcuthigh,tpcdEdxcuthigh,sizeof(paramsTPCdEdxcuthigh));
 138
 139   char *cutmodel;
 140   cutmodel="pol0";
 141
 142   for(Int_t a=0;a<11;a++){
 143     // Not necessary anymore, since the pPb case is handled similarly to the pp case
 144     //   cout << a << " " << paramsTPCdEdxcut[a] << endl;
 145     Double_t tpcparamlow[1]={paramsTPCdEdxcutlow[a]};
 146     Float_t tpcparamhigh=paramsTPCdEdxcuthigh[a];
 147     pid->ConfigureTPCcentralityCut(a,cutmodel,tpcparamlow,tpcparamhigh);
 148   }
 149   pid->ConfigureTPCdefaultCut(cutmodel,paramsTPCdEdxcutlow,paramsTPCdEdxcuthigh[0]); // After introducing the pPb flag, pPb is merged with pp and this line defines the cut
 150
 151   // Configure TOF PID
 152   if (usetof){
 153     pid->ConfigureTOF(TOFs);
 154     AliHFEpidTOF *tofpid = pid->GetDetPID(AliHFEpid::kTOFpid);
 155     if (kTOFmis){
 156       tofpid->SetRejectTOFmismatch();
 157     }
 158   }
 159
 160   // To make different upper TOF cut to see contamination effect
 161   // The below two lines should be removed after this check
 162   //AliHFEpidTOF *tofpid = pid->GetDetPID(AliHFEpid::kTOFpid);
 163   //if(TOFs<3.) tofpid->SetTOFnSigmaBand(-3,TOFs); //only to check the assymmetric tof cut
 164
 165   // Load hadron background
 166   if(!useMC){
 167     Bool_t status = kTRUE;
 168     TF1 *hBackground[12];
 169     status = ReadContaminationFunctions("hadroncontamination_TOFTPC_pPb_eta06_newsplines_try3.root", hBackground, tpcdEdxcutlow[0]);
 170     for(Int_t a=0;a<12;a++) {
 171       //printf("back %f \n",hBackground[a]);
 172       if(status) task->SetBackGroundFactorsFunction(hBackground[a],a);
 173       else printf("not all background functions found\n");
 174     }
 175   }
 176
 177   //***************************************//
 178   //       Configure NPE plugin            //
 179   //***************************************//
 180
 181   AliHFENonPhotonicElectron *backe = new AliHFENonPhotonicElectron(Form("HFEBackGroundSubtractionPID2%s",appendix.Data()),"Background subtraction");  //appendix
 182     //Setting the Cuts for the Associated electron-pool
 183   AliHFEcuts *hfeBackgroundCuts = new AliHFEcuts(Form("HFEBackSub%s",appendix.Data()),"Background sub Cuts");
 184   //  hfeBackgroundCuts->SetEtaRange(assETA);
 185   hfeBackgroundCuts->SetEtaRange(assETAm,assETAp);
 186   hfeBackgroundCuts->SetPtRange(0.1,1e10);
 187
 188   hfeBackgroundCuts->SetMaxChi2perClusterTPC(4);
 189   hfeBackgroundCuts->SetMinNClustersITS(assITS);
 190   hfeBackgroundCuts->SetMinNClustersTPC(assTPCcl);
 191   hfeBackgroundCuts->SetMinNClustersTPCPID(assTPCPIDcl);
 192   hfeBackgroundCuts->SetMaxImpactParam(assDCAr,assDCAz);
 193   if(isAOD) hfeBackgroundCuts->SetAODFilterBit(4);
 194   hfeBackgroundCuts->SetQAOn();                         // QA
 195
 196   AliHFEpid *pidbackground = backe->GetPIDBackground();
 197   if(useMC) pidbackground->SetHasMCData(kTRUE);
 198   pidbackground->AddDetector("TPC", 0);
 199   Double_t paramsTPCdEdxcutlowAssoc[12] ={-3.0,-3.0,-3.0,-3.0,-3.0,-3.0,-3.0,-3.0,-3.0,-3.0,-3.0,-3.0};
 200   if(assTPCSminus) memcpy(paramsTPCdEdxcutlowAssoc,assTPCSminus,sizeof(paramsTPCdEdxcutlowAssoc));
 201
 202   Double_t paramsTPCdEdxcuthighAssoc[12] ={3.0, 3.0, 3.0,3.0,3.0,3.0,3.0,3.0,3.0,3.0,3.0,3.0};
 203   if(assTPCSplus) memcpy(paramsTPCdEdxcuthighAssoc,assTPCSplus,sizeof(paramsTPCdEdxcuthighAssoc));
 204
 205   char *cutmodelAssoc;
 206   cutmodelAssoc="pol0";
 207   for(Int_t a=0;a<11;a++){
 208     // Not necessary anymore, since the pPb case is handled similarly to the pp case
 209     //   cout << a << " " << paramsTPCdEdxcut[a] << endl;
 210     Double_t tpcparamlow[1]={paramsTPCdEdxcutlowAssoc[a]};
 211     Float_t tpcparamhigh=paramsTPCdEdxcuthighAssoc[a];
 212     pidbackground->ConfigureTPCcentralityCut(a,cutmodelAssoc,tpcparamlow,tpcparamhigh);
 213   }
 214   pidbackground->ConfigureTPCdefaultCut(cutmodelAssoc,paramsTPCdEdxcutlowAssoc,paramsTPCdEdxcuthighAssoc[0]); // After introducing the pPb flag, pPb is merged with pp and this line defines the cut
 215   backe->GetPIDBackgroundQAManager()->SetHighResolutionHistos();
 216   backe->SetHFEBackgroundCuts(hfeBackgroundCuts);
 217
 218   // Selection of associated tracks for the pool
 219   if(useCat1Tracks) backe->SelectCategory1Tracks(kTRUE);
 220   if(useCat2Tracks) backe->SelectCategory2Tracks(kTRUE);
 221
 222   // apply opening angle cut to reduce file size
 223   backe->SetMaxInvMass(0.3);
 224
 225   task->SetHFEBackgroundSubtraction(backe);
 226
 227   //***************************************//
 228   //          V0 tagged tracks             //
 229   //***************************************//
 230
 231   if(kAnalyseTaggedTracks){
 232     AliHFEcuts *v0trackCuts = new AliHFEcuts("V0trackCuts", "Track Cuts for tagged track Analysis");
 233     v0trackCuts->CreateStandardCuts();
 234     v0trackCuts->SetMinNClustersTPC(TPCcl);
 235     v0trackCuts->SetMinNClustersTPCPID(TPCclPID);
 236     v0trackCuts->SetMinRatioTPCclusters(0.6);
 237     v0trackCuts->SetTPCmodes(AliHFEextraCuts::kFound, AliHFEextraCuts::kFoundOverFindable);
 238     v0trackCuts->SetMinNClustersITS(1);
 239     v0trackCuts->SetCutITSpixel(AliHFEextraCuts::kFirst);
 240     v0trackCuts->SetCheckITSLayerStatus(kFALSE);
 241     v0trackCuts->UnsetVertexRequirement();
 242     //hfecuts->SetSigmaToVertex(10);
 243     if(usetof) v0trackCuts->SetTOFPIDStep(kTRUE);
 244     v0trackCuts->SetQAOn();
 245
 246     task->SwitchOnPlugin(AliAnalysisTaskHFE::kTaggedTrackAnalysis);
 247     task->SetTaggedTrackCuts(v0trackCuts);
 248     task->SetCleanTaggedTrack(kTRUE);
 249   }
 250
 251   // QA
 252   printf("task %p\n", task);
 253   task->SetQAOn(AliAnalysisTaskHFE::kPIDqa);
 254   task->SetQAOn(AliAnalysisTaskHFE::kMCqa);
 255   task->SwitchOnPlugin(AliAnalysisTaskHFE::kNonPhotonicElectron);
 256   task->SwitchOnPlugin(AliAnalysisTaskHFE::kDEstep);
 257
 258   printf("*************************************\n");
 259   printf("Configuring standard Task:\n");
 260   task->PrintStatus();
 261   pid->PrintStatus();
 262   printf("*************************************\n");
 263   return task;
 264 }