PWGDQ/dielectron/macrosJPSI/ConfigJpsi_nano_PbPb.C

   1 void InitHistograms(AliDielectron *die, Int_t cutDefinition);
   2
   3 void SetupEventCuts(AliDielectron *die, Int_t cutDefinition);
   4 void SetupTrackCuts(AliDielectron *die, Int_t cutDefinition);
   5 void SetupV0Cuts(   AliDielectron *die, Int_t cutDefinition);
   6 void SetupPairCuts( AliDielectron *die, Int_t cutDefinition);
   7
   8 void ConfigEvtPlane(AliDielectron *die, Int_t cutDefinition);
   9 void SetEtaCorrection(AliDielectron *die);
  10
  11 TString names=("NANO");
  12 enum { kNANO=0 };
  13
  14 TObjArray *arrNames=names.Tokenize(";");
  15 const Int_t nDie=arrNames->GetEntries();
  16
  17 Bool_t  isESD     = kTRUE;
  18 TString periodLHC = "";
  19 TString list  = gSystem->Getenv("LIST");
  20
  21
  22 AliDielectron* ConfigJpsi_nano_PbPb(Int_t cutDefinition, Bool_t hasMC=kFALSE, TString period="")
  23 {
  24   //
  25   // Setup the instance of AliDielectron
  26   //
  27
  28   periodLHC = period;
  29   printf("this is -%s- filtering \n",periodLHC.Data());
  30
  31   //ESD handler?
  32   isESD=(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()->IsA()==AliESDInputHandler::Class());
  33
  34   // task name
  35   TString name=Form("%02d",cutDefinition);
  36   if (cutDefinition<arrNames->GetEntriesFast())  name=arrNames->At(cutDefinition)->GetName();
  37   printf(" Adding %s%s config %s for %s \n",(isESD?"ESD":"AOD"),(hasMC?" MC":""),name.Data(),list.Data());
  38
  39   // init AliDielectron
  40   AliDielectron *die = new AliDielectron(Form("%s",name.Data()), Form("%s",name.Data()));
  41   die->SetHasMC(hasMC);
  42
  43   /* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv CUTS vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
  44   SetupEventCuts(die,cutDefinition);
  45   SetupTrackCuts(die,cutDefinition);
  46   // SetupV0Cuts(die,cutDefinition);   // switch off for nanoAODs??
  47   // SetupPairCuts(die,cutDefinition);
  48
  49   /* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv MISC vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
  50   // PID eta correction
  51   //SetEtaCorrection(die); //no eta corrction
  52   // prefilter settings
  53   //  if(hasMC)
  54   die->SetNoPairing();
  55   //  else die->SetPreFilterUnlikeOnly();
  56   //die->SetPreFilterAllSigns();
  57
  58   /* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv OUTPUT vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
  59   // histogram setup
  60   InitHistograms(die,cutDefinition);
  61
  62   // cut QA
  63   die->SetCutQA();
  64
  65   return die;
  66 }
  67
  68 //______________________________________________________________________________________
  69 void SetupEventCuts(AliDielectron *die, Int_t cutDefinition)
  70 {
  71   //
  72   // Setup the event cuts
  73   //
  74
  75   AliDielectronEventCuts *eventCuts=new AliDielectronEventCuts("eventCuts","eventCuts");
  76   if(!isESD) eventCuts->SetVertexType(AliDielectronEventCuts::kVtxAny);
  77   eventCuts->SetRequireVertex();
  78   eventCuts->SetMinVtxContributors(1);
  79   //  eventCuts->SetVertexZ(-10.,+10.);
  80   eventCuts->SetCentralityRange(0., 90.);
  81   eventCuts->Print();
  82   die->GetEventFilter().AddCuts(eventCuts);
  83
  84 }
  85
  86 //______________________________________________________________________________________
  87 void SetupTrackCuts(AliDielectron *die, Int_t cutDefinition)
  88 {
  89   //
  90   // Setup the track cuts
  91   //
  92
  93   Bool_t hasMC=die->GetHasMC();
  94
  95   // Quality cuts
  96   AliDielectronCutGroup* cuts = new AliDielectronCutGroup("cuts","cuts",AliDielectronCutGroup::kCompAND);
  97   die->GetTrackFilter().AddCuts(cuts);
  98
  99   /* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv FILTER CUTS vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
 100   // AOD track filter (needs to be first cut to speed up)
 101   AliDielectronTrackCuts *trkFilter = new AliDielectronTrackCuts("TrkFilter","TrkFilter");
 102   trkFilter->SetAODFilterBit(AliDielectronTrackCuts::kTPCqual);
 103   //  trkFilter->SetAODFilterBit(AliDielectronTrackCuts::kTPCqualSPDany);
 104   //  trkFilter->SetMinNCrossedRowsOverFindable(0.6);
 105
 106   /* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv TRACK CUTS vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
 107   AliDielectronVarCuts *varCuts   = new AliDielectronVarCuts("VarCuts","VarCuts");
 108   AliDielectronTrackCuts *trkCuts = new AliDielectronTrackCuts("TrkCuts","TrkCuts");
 109   // specific cuts
 110   varCuts->AddCut(AliDielectronVarManager::kPt,           0.85, 1e30);
 111   varCuts->AddCut(AliDielectronVarManager::kEta,         -0.9,   0.9);
 112   if(periodLHC.Contains("LHC11h"))
 113     varCuts->AddCut(AliDielectronVarManager::kTPCclsSegments,7.,   8.0);
 114   varCuts->AddCut(AliDielectronVarManager::kNclsTPC,     70.0, 160.0);
 115   //  trkCuts->SetITSclusterCut(AliDielectronTrackCuts::kOneOf, 3); // SPD any
 116
 117   // standard cuts
 118   varCuts->AddCut(AliDielectronVarManager::kImpactParXY, -1.0,   1.0);
 119   varCuts->AddCut(AliDielectronVarManager::kImpactParZ,  -3.0,   3.0);
 120   varCuts->AddCut(AliDielectronVarManager::kTPCchi2Cl,    0.0,   4.0);
 121   varCuts->AddCut(AliDielectronVarManager::kKinkIndex0,   0.);
 122   trkCuts->SetRequireITSRefit(kTRUE);
 123   trkCuts->SetRequireTPCRefit(kTRUE);
 124
 125   /* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv PID CUTS vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
 126   //  AliDielectronVarCuts *pidVarCuts = new AliDielectronVarCuts("varPIDCuts","varPIDCuts");
 127   AliDielectronPID *pidCuts        = new AliDielectronPID("PIDCuts","PIDCuts");
 128   // TOF inclusion
 129   //  pidVarCuts->AddCut(AliDielectronVarManager::kTOFbeta,      0.2,   0.9, kTRUE);
 130   //  pidCuts->AddCut(AliDielectronPID::kTOF,AliPID::kElectron,-3,3.,0.,0.,kFALSE, AliDielectronPID::kIfAvailable);
 131   // TPC inclusion
 132   if(periodLHC.Contains("LHC10h"))
 133     pidCuts->AddCut(AliDielectronPID::kTPC,AliPID::kElectron,-2.6,4.7); // when eta correction OFF (LHC10h) [-2.0,+3.]
 134   //    pidCuts->AddCut(AliDielectronPID::kTPC,AliPID::kElectron,-4.0,4.7); // when eta correction OFF (LHC10h) [/*-2.0*/,+3.]
 135   else
 136     pidCuts->AddCut(AliDielectronPID::kTPC,AliPID::kElectron,-3.0,4.3); // when eta correction OFF (LHC11h) [-1.5,+3.]
 137   //  pidCuts->AddCut(AliDielectronPID::kTPC,AliPID::kPion,-100.,4.0,0.,0.,kTRUE);
 138   //  pidCuts->AddCut(AliDielectronPID::kTPC,AliPID::kProton,-100.,3.5,0.,0.,kTRUE);
 139
 140   /* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv MC PID CUTS vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
 141   AliDielectronVarCuts *pidCutsMC = new AliDielectronVarCuts("PIDCutsMC","PIDCutsMC");
 142   pidCutsMC->SetCutType(AliDielectronVarCuts::kAny);
 143   pidCutsMC->SetCutOnMCtruth(kTRUE);
 144   pidCutsMC->AddCut(AliDielectronVarManager::kPdgCode, -11., -11.);
 145   pidCutsMC->AddCut(AliDielectronVarManager::kPdgCode, +11., +11.);
 146
 147   /* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv TENDER CUTS vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
 148   // exclude conversion electrons selected by the tender
 149   AliDielectronTrackCuts *noconv=new AliDielectronTrackCuts("noConv","noConv");
 150   noconv->SetV0DaughterCut(AliPID::kElectron,kTRUE);
 151
 152   // activate the cut sets (order might be CPU timewise important)
 153   if(hasMC) {
 154     //    cuts->AddCut(pidCutsMC);
 155   }
 156   else {
 157     if(!isESD) cuts->AddCut(trkFilter);
 158     cuts->AddCut(varCuts);
 159     cuts->AddCut(trkCuts);
 160     cuts->AddCut(pidCuts);
 161     //cuts->AddCut(pidVarCuts);
 162     //cuts->AddCut(noconv);
 163   }
 164   cuts->Print();
 165
 166 }
 167
 168 //______________________________________________________________________________________
 169 void SetupV0Cuts(AliDielectron *die, Int_t cutDefinition)
 170 {
 171   //
 172   // Setup the V0 cuts
 173   //
 174
 175   // Quality cuts (add the gamma filter to the cut group)
 176   TIter next(die->GetTrackFilter().GetCuts());
 177   AliAnalysisCuts *cuts;
 178   while((cuts = (AliAnalysisCuts*)next())) {
 179     if(cuts->IsA() == AliDielectronCutGroup::Class())  break;
 180   }
 181
 182   AliDielectronV0Cuts *gammaV0Cuts = new AliDielectronV0Cuts("IsGamma","IsGamma");
 183   gammaV0Cuts->SetPdgCodes(22,11,11);
 184   gammaV0Cuts->SetDefaultPID(16);
 185   gammaV0Cuts->AddCut(AliDielectronVarManager::kCosPointingAngle, TMath::Cos(0.02),   1.0, kFALSE);
 186   gammaV0Cuts->AddCut(AliDielectronVarManager::kChi2NDF,                       0.0,  10.0, kFALSE);
 187   gammaV0Cuts->AddCut(AliDielectronVarManager::kLegDist,                       0.0,   0.25, kFALSE);
 188   gammaV0Cuts->AddCut(AliDielectronVarManager::kR,                             3.0,  90.0, kFALSE);
 189   gammaV0Cuts->AddCut(AliDielectronVarManager::kPsiPair,                       0.0,   0.05, kFALSE);
 190   gammaV0Cuts->AddCut(AliDielectronVarManager::kM,                             0.0,   0.05, kFALSE);
 191   //  gammaV0Cuts->AddCut(AliDielectronVarManager::kOpeningAngle,              0.0,   0.1, kFALSE);
 192   gammaV0Cuts->AddCut(AliDielectronVarManager::kArmPt,                         0.0,   0.05, kFALSE);
 193   //  gammaV0Cuts->AddCut(AliDielectronVarManager::kArmAlpha,                     -0.35,  0.35, kFALSE); // not sure if it works as expected
 194   gammaV0Cuts->SetExcludeTracks(kTRUE);
 195   gammaV0Cuts->Print();
 196
 197  //  const Double_t |cutAlphaG| < 0.35; &&  const Double_t cutQTG < 0.05;
 198  //  const Double_t |cutAlphaG2|[2] = {0.6, 0.8}; &&  const Double_t cutQTG2 < 0.04;
 199
 200   if(cuts)
 201     ((AliDielectronCutGroup*)cuts)->AddCut(gammaV0Cuts);
 202   else
 203     die->GetTrackFilter().AddCuts(gammaV0Cuts);
 204 }
 205
 206 //______________________________________________________________________________________
 207 void SetupPairCuts(AliDielectron *die, Int_t cutDefinition)
 208 {
 209   //
 210   // Setup the pair cuts
 211   //
 212
 213   // conversion rejection
 214   Double_t gCut=0.05;
 215   AliDielectronVarCuts *gammaCuts = new AliDielectronVarCuts("GammaCuts","GammaCuts");
 216   gammaCuts->AddCut(AliDielectronVarManager::kM,            0.0,   gCut);
 217   //  die->GetPairPreFilter().AddCuts(gammaCuts);
 218
 219   // rapidity selection
 220   Double_t yCut=0.9;
 221   AliDielectronVarCuts *rapCut=new AliDielectronVarCuts(Form("|Y|<%.1f",yCut),Form("|Y|<%.1f",yCut));
 222   rapCut->AddCut(AliDielectronVarManager::kY,-1.*yCut,yCut);
 223   die->GetPairFilter().AddCuts(rapCut);
 224
 225 }
 226
 227 //______________________________________________________________________________________
 228 void InitHistograms(AliDielectron *die, Int_t cutDefinition)
 229 {
 230   //
 231   // Initialise the histograms
 232   //
 233   Bool_t hasMC=die->GetHasMC();
 234
 235   //Setup histogram Manager
 236   AliDielectronHistos *histos=new AliDielectronHistos(die->GetName(),die->GetTitle());
 237
 238   //add histograms to event class
 239   histos->AddClass("Event");
 240   histos->UserHistogram("Event","","", 100, 0.0, 100.0,   AliDielectronVarManager::kCentrality);
 241   histos->UserHistogram("Event","","", 300,-15., +15.0,   AliDielectronVarManager::kZvPrim);
 242   // candidates monitoring
 243   histos->UserProfile("Event","","", AliDielectronVarManager::kTracks, 100,0,100., AliDielectronVarManager::kCentrality);
 244   histos->UserProfile("Event","","", AliDielectronVarManager::kPairs,  100,0,100., AliDielectronVarManager::kCentrality);
 245
 246   die->SetHistogramManager(histos);
 247 }
 248
 249 //______________________________________________________________________________________
 250 void SetEtaCorrection(AliDielectron *die) {
 251
 252   if (AliDielectronPID::GetCentroidCorrFunction()) return;
 253
 254   TF2 *fCntrdCorr=0x0;
 255   TF1 *fWdthCorr=0x0;
 256   /* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv DATA vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
 257   if( !die->GetHasMC() ) {
 258     // 2-dimensional eta correction for the centroid of electron sigmas
 259     fCntrdCorr = new TF2("fCntrdCorr", "[0] + [1]*y + [2]*y*y + [3]*TMath::Power(y,3) + [4]*TMath::Power(y,4) + [5]*TMath::Power(y,5) + [6]*TMath::Power(y,6) + [7]*x",
 260                          //0.0, 3000.0, -0.9, +0.9); // Nacc
 261                          0.0,   90.0, -0.9, +0.9); // centrality
 262     //  fCntrdCorr->SetParameters(0.723106, 0.23958, -6.31221, -0.687976, 15.912, 0.579609, -11.6901, -0.000354381); // Nacc
 263     fCntrdCorr->SetParameters(+0.149002, +0.214644 , -6.034930, -0.529588, +14.97902, +0.402640, -10.890027, +0.011248); // centrality
 264     // 1-dimensional eta correction for the width of electron sigmas
 265     // fWdthCorr = new TF1("fWdthCorr", "pol2", 0.0, 3000.0);     // Nacc
 266     // fWdthCorr->SetParameters(1.06108, 0.000217804,-5.80291e-08);
 267     fWdthCorr = new TF1("fWdthCorr", "pol2", 0.0, 90.0);       // centrality
 268     fWdthCorr->SetParameters(+1.290755, -0.005261, +0.000021);
 269   }
 270   else  {
 271     /* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv MONTE CARLO vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
 272     // 2-dimensional eta correction for the centroid of electron sigmas
 273     fCntrdCorr = new TF2("fCntrdCorr", "[0] + [1]*y + [2]*y*y + [3]*TMath::Power(y,3) + [4]*TMath::Power(y,4) + [5]*TMath::Power(y,5) + [6]*TMath::Power(y,6) + [7]*x",
 274                               0.0, 3000.0, -0.9, +0.9);
 275     fCntrdCorr->SetParameters(+0.378611, -0.070831, -3.076778, +0.121977, +8.576097, +0.113009, -5.001368, -0.000181);
 276
 277     // 1-dimensional eta correction for the width of electron sigmas
 278     fWdthCorr = new TF1("fWdthCorr", "pol1", 0.0, 3000.0);
 279     fWdthCorr->SetParameters(+0.881894, +0.000053);
 280   }
 281
 282   // apply corrections
 283   // AliDielectronPID::SetCentroidCorrFunction(fCntrdCorr,AliDielectronVarManager::kNacc,AliDielectronVarManager::kEta);
 284   // AliDielectronPID::SetWidthCorrFunction(fWdthCorr,AliDielectronVarManager::kNacc);
 285   AliDielectronPID::SetCentroidCorrFunction(fCntrdCorr,AliDielectronVarManager::kCentrality,AliDielectronVarManager::kEta);
 286   AliDielectronPID::SetWidthCorrFunction(fWdthCorr,AliDielectronVarManager::kCentrality);
 287
 288 }