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