PWGHF/vertexingHF/AliRDHFCutsLctopKpi.cxx

   1 /**************************************************************************
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   3  *                                                                        *
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  15
  16 /* $Id$ */
  17
  18 /////////////////////////////////////////////////////////////
  19 //
  20 // Class for cuts on AOD reconstructed Lc->pKpi
  21 //
  22 // Author: A.Dainese, andrea.dainese@pd.infn.it
  23 /////////////////////////////////////////////////////////////
  24
  25 #include <TDatabasePDG.h>
  26 #include <Riostream.h>
  27 #include <AliAnalysisManager.h>
  28 #include <AliInputEventHandler.h>
  29 #include <AliPIDResponse.h>
  30
  31 #include "AliRDHFCutsLctopKpi.h"
  32 #include "AliAODRecoDecayHF3Prong.h"
  33 #include "AliRDHFCuts.h"
  34 #include "AliAODTrack.h"
  35 #include "AliESDtrack.h"
  36 #include "AliKFParticle.h"
  37 #include "AliESDVertex.h"
  38
  39 using std::cout;
  40 using std::endl;
  41
  42 ClassImp(AliRDHFCutsLctopKpi)
  43
  44 //--------------------------------------------------------------------------
  45 AliRDHFCutsLctopKpi::AliRDHFCutsLctopKpi(const char* name) :
  46 AliRDHFCuts(name),
  47 fPidObjprot(0),
  48 fPidObjpion(0),
  49 fUseImpParProdCorrCut(kFALSE),
  50 fPIDStrategy(kNSigma),
  51 fCutsStrategy(kStandard),
  52 fUseSpecialCut(kFALSE)
  53 {
  54   //
  55   // Default Constructor
  56   //
  57   Int_t nvars=13;
  58   SetNVars(nvars);
  59   TString varNames[13]={"inv. mass [GeV]",
  60                         "pTK [GeV/c]",
  61                         "pTP [GeV/c]",
  62                         "d0K [cm]   lower limit!",
  63                         "d0Pi [cm]  lower limit!",
  64                         "dist12 (cm)",
  65                         "sigmavert (cm)",
  66                         "dist prim-sec (cm)",
  67                         "pM=Max{pT1,pT2,pT3} (GeV/c)",
  68                         "cosThetaPoint",
  69                         "Sum d0^2 (cm^2)",
  70                         "dca cut (cm)",
  71                         "cut on pTpion [GeV/c]"};
  72   Bool_t isUpperCut[13]={kTRUE,
  73                          kFALSE,
  74                          kFALSE,
  75                          kFALSE,
  76                          kFALSE,
  77                          kFALSE,
  78                          kTRUE,
  79                          kFALSE,
  80                          kFALSE,
  81                          kFALSE,
  82                          kFALSE,
  83                          kTRUE,
  84                          kFALSE
  85                          };
  86   SetVarNames(nvars,varNames,isUpperCut);
  87   Bool_t forOpt[13]={kFALSE,
  88                      kTRUE,
  89                      kTRUE,
  90                      kFALSE,
  91                      kFALSE,
  92                      kFALSE,
  93                      kFALSE,
  94                      kTRUE,
  95                      kFALSE,
  96                      kFALSE,
  97                      kFALSE,
  98                      kFALSE,
  99                      kTRUE};
 100   SetVarsForOpt(4,forOpt);
 101   Float_t limits[2]={0,999999999.};
 102   SetPtBins(2,limits);
 103   for (Int_t ispecies=0;ispecies<AliPID::kSPECIES;++ispecies)
 104       fPIDThreshold[ispecies]=0.;
 105 }
 106 //--------------------------------------------------------------------------
 107 AliRDHFCutsLctopKpi::AliRDHFCutsLctopKpi(const AliRDHFCutsLctopKpi &source) :
 108   AliRDHFCuts(source),
 109   fPidObjprot(0x0),
 110   fPidObjpion(0x0),
 111   fUseImpParProdCorrCut(source.fUseImpParProdCorrCut),
 112   fPIDStrategy(source.fPIDStrategy),
 113   fCutsStrategy(source.fCutsStrategy),
 114   fUseSpecialCut(source.fUseSpecialCut)
 115 {
 116   //
 117   // Copy constructor
 118   //
 119   if (source.fPidObjprot) fPidObjprot = new AliAODPidHF(*(source.fPidObjprot));
 120   else fPidObjprot = new AliAODPidHF();
 121   if (source.fPidObjpion) fPidObjpion = new AliAODPidHF(*(source.fPidObjpion));
 122   else fPidObjpion = new AliAODPidHF();
 123   memcpy(fPIDThreshold,source.fPIDThreshold,AliPID::kSPECIES*sizeof(Double_t));
 124 }
 125 //--------------------------------------------------------------------------
 126 AliRDHFCutsLctopKpi &AliRDHFCutsLctopKpi::operator=(const AliRDHFCutsLctopKpi &source)
 127 {
 128   //
 129   // assignment operator
 130   //
 131   if(this != &source) {
 132
 133     AliRDHFCuts::operator=(source);
 134     delete fPidObjprot;
 135     fPidObjprot = new AliAODPidHF(*(source.fPidObjprot));
 136     delete fPidObjpion;
 137     fPidObjpion = new AliAODPidHF(*(source.fPidObjpion));
 138     fPIDStrategy=source.fPIDStrategy;
 139     fCutsStrategy=source.fCutsStrategy;
 140     memcpy(fPIDThreshold,source.fPIDThreshold,AliPID::kSPECIES*sizeof(Double_t));
 141   }
 142
 143   return *this;
 144 }
 145 //---------------------------------------------------------------------------
 146 AliRDHFCutsLctopKpi::~AliRDHFCutsLctopKpi() {
 147  //
 148  //  // Default Destructor
 149  //
 150  if(fPidObjpion){
 151   delete fPidObjpion;
 152   fPidObjpion=0;
 153  }
 154  if(fPidObjprot){
 155   delete fPidObjprot;
 156   fPidObjprot=0;
 157  }
 158
 159 }
 160
 161 //---------------------------------------------------------------------------
 162 void AliRDHFCutsLctopKpi::GetCutVarsForOpt(AliAODRecoDecayHF *d,Float_t *vars,Int_t nvars,Int_t *pdgdaughters, AliAODEvent *aod) {
 163   //
 164   // Fills in vars the values of the variables
 165   //
 166
 167   if(nvars!=fnVarsForOpt) {
 168     printf("AliRDHFCutsLctopKpi::GetCutsVarsForOpt: wrong number of variables\n");
 169     return;
 170   }
 171
 172   AliAODRecoDecayHF3Prong *dd = (AliAODRecoDecayHF3Prong*)d;
 173
 174   Int_t iter=-1;
 175   if(fVarsForOpt[0]){
 176     iter++;
 177     vars[iter]=dd->InvMassLcpKpi();
 178   }
 179   if(fVarsForOpt[1]){
 180     iter++;
 181     for(Int_t iprong=0;iprong<3;iprong++){
 182       if(TMath::Abs(pdgdaughters[iprong])==321) {
 183         vars[iter]=dd->PtProng(iprong);
 184       }
 185     }
 186   }
 187   if(fVarsForOpt[2]){
 188     iter++;
 189     for(Int_t iprong=0;iprong<3;iprong++){
 190       if(TMath::Abs(pdgdaughters[iprong])==2212) {
 191         vars[iter]=dd->PtProng(iprong);
 192       }
 193     }
 194   }
 195   if(fVarsForOpt[3]){
 196     iter++;
 197     for(Int_t iprong=0;iprong<3;iprong++){
 198       if(TMath::Abs(pdgdaughters[iprong])==2212) {
 199         vars[iter]=dd->Getd0Prong(iprong);
 200       }
 201     }
 202   }
 203   if(fVarsForOpt[4]){
 204     iter++;
 205     for(Int_t iprong=0;iprong<3;iprong++){
 206       if(TMath::Abs(pdgdaughters[iprong])==211) {
 207         vars[iter]=dd->Getd0Prong(iprong);
 208       }
 209     }
 210   }
 211   if(fVarsForOpt[5]){
 212     iter++;
 213     vars[iter]=dd->GetDist12toPrim();
 214   }
 215   if(fVarsForOpt[6]){
 216     iter++;
 217     vars[iter]=dd->GetSigmaVert(aod);
 218   }
 219   if(fVarsForOpt[7]){
 220     iter++;
 221     vars[iter] = dd->DecayLength();
 222   }
 223   if(fVarsForOpt[8]){
 224     iter++;
 225     Float_t ptmax=0;
 226     for(Int_t i=0;i<3;i++){
 227       if(dd->PtProng(i)>ptmax)ptmax=dd->PtProng(i);
 228     }
 229     vars[iter]=ptmax;
 230   }
 231   if(fVarsForOpt[9]){
 232     iter++;
 233     vars[iter]=dd->CosPointingAngle();
 234   }
 235   if(fVarsForOpt[10]){
 236     iter++;
 237     vars[iter]=dd->Getd0Prong(0)*dd->Getd0Prong(0)+dd->Getd0Prong(1)*dd->Getd0Prong(1)+dd->Getd0Prong(2)*dd->Getd0Prong(2);
 238   }
 239   if(fVarsForOpt[11]){
 240     iter++;
 241     vars[iter]=dd->GetDCA();
 242   }
 243   if(fVarsForOpt[12]){
 244     iter++;
 245     for(Int_t iprong=0;iprong<3;iprong++){
 246       if(TMath::Abs(pdgdaughters[iprong])==211) {
 247         vars[iter]=dd->PtProng(iprong);
 248       }
 249     }
 250   }
 251
 252   return;
 253 }
 254 //---------------------------------------------------------------------------
 255 Int_t AliRDHFCutsLctopKpi::IsSelected(TObject* obj,Int_t selectionLevel,AliAODEvent *aod) {
 256   //
 257   // Apply selection
 258   //
 259
 260   if(!fCutsRD){
 261     AliError("Cut matrice not inizialized. Exit...\n");
 262     return 0;
 263   }
 264   //PrintAll();
 265   AliAODRecoDecayHF3Prong* d=(AliAODRecoDecayHF3Prong*)obj;
 266
 267   if(!d){
 268     AliError("AliAODRecoDecayHF3Prong null \n");
 269     return 0;
 270   }
 271
 272
 273   if(fKeepSignalMC) if(IsSignalMC(d,aod,4122)) return 3;
 274
 275   Int_t returnvalue=3;
 276   Int_t returnvaluePID=3;
 277
 278   if(d->Pt()<fMinPtCand) return 0;
 279   if(d->Pt()>fMaxPtCand) return 0;
 280
 281   if(fUseTrackSelectionWithFilterBits && d->HasBadDaughters()) return 0;
 282
 283
 284   // selection on daughter tracks
 285   if(selectionLevel==AliRDHFCuts::kAll ||
 286      selectionLevel==AliRDHFCuts::kTracks) {
 287     if(!AreDaughtersSelected(d)) return 0;
 288   }
 289
 290
 291   // PID selection
 292   if(selectionLevel==AliRDHFCuts::kAll ||
 293      selectionLevel==AliRDHFCuts::kCandidate||
 294      selectionLevel==AliRDHFCuts::kPID) {
 295     switch (fPIDStrategy) {
 296     case kNSigma:
 297       returnvaluePID = IsSelectedPID(d);
 298       break;
 299      case kNSigmaPbPb:
 300       returnvaluePID = IsSelectedNSigmaPbPb(d);
 301       break;
 302     case kCombined:
 303       returnvaluePID = IsSelectedCombinedPID(d);
 304       break;
 305     case kCombinedSoft:
 306       returnvaluePID = IsSelectedCombinedPIDSoft(d);
 307       break;
 308     case kNSigmaStrong:
 309       returnvaluePID = IsSelectedPIDStrong(d);
 310       break;
 311     case kCombinedpPb:
 312       returnvaluePID = IsSelectedCombinedPIDpPb(d);
 313       break;
 314     case kCombinedpPb2:
 315       returnvaluePID = IsSelectedCombinedPIDpPb2(d);
 316       break;
 317     }
 318     fIsSelectedPID=returnvaluePID;
 319   }
 320   //  if(fUsePID || selectionLevel==AliRDHFCuts::kPID) returnvaluePID = IsSelectedCombinedPID(d);   // to test!!
 321   if(returnvaluePID==0) return 0;
 322
 323
 324
 325
 326   // selection on candidate
 327   if(selectionLevel==AliRDHFCuts::kAll ||
 328      selectionLevel==AliRDHFCuts::kCandidate) {
 329
 330     Double_t pt=d->Pt();
 331
 332     Int_t ptbin=PtBin(pt);
 333
 334     Double_t mLcpKpi=0.,mLcpiKp=0.;
 335     Int_t okLcpKpi=1,okLcpiKp=1;
 336
 337     Double_t mLcPDG = TDatabasePDG::Instance()->GetParticle(4122)->Mass();
 338
 339     mLcpKpi=d->InvMassLcpKpi();
 340     mLcpiKp=d->InvMassLcpiKp();
 341
 342     if(TMath::Abs(mLcpKpi-mLcPDG)>fCutsRD[GetGlobalIndex(0,ptbin)]) okLcpKpi = 0;
 343     if(TMath::Abs(mLcpiKp-mLcPDG)>fCutsRD[GetGlobalIndex(0,ptbin)]) okLcpiKp = 0;
 344     if(!okLcpKpi && !okLcpiKp) return 0;
 345
 346   switch (fCutsStrategy) {
 347
 348     case kStandard:
 349     if(TMath::Abs(d->PtProng(1)) < fCutsRD[GetGlobalIndex(1,ptbin)] || TMath::Abs(d->Getd0Prong(1))<fCutsRD[GetGlobalIndex(3,ptbin)]) return 0;//Kaon
 350     if(d->Pt()>=3. && d->PProng(1)<0.55) return 0;
 351     if(fUseSpecialCut) {
 352       if(TMath::Abs(d->PtProng(0)) < TMath::Abs(d->PtProng(2)) )okLcpKpi=0;
 353       if(TMath::Abs(d->PtProng(2)) < TMath::Abs(d->PtProng(0)) )okLcpiKp=0;
 354     }
 355     if((TMath::Abs(d->PtProng(0)) < fCutsRD[GetGlobalIndex(2,ptbin)]) || (TMath::Abs(d->PtProng(2)) < fCutsRD[GetGlobalIndex(12,ptbin)])) okLcpKpi=0;
 356     if((TMath::Abs(d->PtProng(2)) < fCutsRD[GetGlobalIndex(2,ptbin)]) || (TMath::Abs(d->PtProng(0)) < fCutsRD[GetGlobalIndex(12,ptbin)]))okLcpiKp=0;
 357     if(!okLcpKpi && !okLcpiKp) return 0;
 358     //2track cuts
 359     if(d->GetDist12toPrim()<fCutsRD[GetGlobalIndex(5,ptbin)]|| d->GetDist23toPrim()<fCutsRD[GetGlobalIndex(5,ptbin)]) return 0;
 360     if(d->GetDist12toPrim()>0.5) return 0;
 361     if(d->GetDist23toPrim()>0.5) return 0;
 362     if(fUseImpParProdCorrCut){
 363       if(d->Getd0Prong(0)*d->Getd0Prong(1)<0. && d->Getd0Prong(2)*d->Getd0Prong(1)<0.) return 0;
 364     }
 365     //sec vert
 366     if(d->DecayLength()<fCutsRD[GetGlobalIndex(7,ptbin)]) return 0;
 367     if(d->DecayLength()>0.5) return 0;
 368
 369   //  Double_t sumd0s=d->Getd0Prong(0)*d->Getd0Prong(0)+d->Getd0Prong(1)*d->Getd0Prong(1)+d->Getd0Prong(2)*d->Getd0Prong(2);
 370   //  if(sumd0s<fCutsRD[GetGlobalIndex(10,ptbin)]) return 0;
 371     if((d->Getd0Prong(0)*d->Getd0Prong(0)+d->Getd0Prong(1)*d->Getd0Prong(1)+d->Getd0Prong(2)*d->Getd0Prong(2))<fCutsRD[GetGlobalIndex(10,ptbin)]) return 0;
 372
 373     if(TMath::Abs(d->PtProng(0))<fCutsRD[GetGlobalIndex(8,ptbin)] && TMath::Abs(d->PtProng(1))<fCutsRD[GetGlobalIndex(8,ptbin)] && TMath::Abs(d->PtProng(2))<fCutsRD[GetGlobalIndex(8,ptbin)]) return 0;
 374     if(d->CosPointingAngle()< fCutsRD[GetGlobalIndex(9,ptbin)]) return 0;
 375     if(d->GetSigmaVert(aod)>fCutsRD[GetGlobalIndex(6,ptbin)]) return 0;
 376
 377     //DCA
 378     for(Int_t i=0;i<3;i++) if(d->GetDCA(i)>fCutsRD[GetGlobalIndex(11,ptbin)]) return 0;
 379
 380     break;
 381
 382    case kKF:
 383     Int_t pdgs[3]={0,321,0};
 384     Bool_t constraint=kFALSE;
 385     if(fCutsRD[GetGlobalIndex(1,ptbin)]>0.) constraint=kTRUE;
 386     Double_t field=aod->GetMagneticField();
 387     if (returnvaluePID==1 || returnvaluePID==3){
 388
 389       pdgs[0]=2122;pdgs[2]=211;
 390       AliKFParticle *lc1=ReconstructKF(d,pdgs,field,constraint);
 391       if(!lc1){
 392         okLcpKpi=0;
 393       }else{
 394         if(lc1->GetChi2()/lc1->GetNDF()>fCutsRD[GetGlobalIndex(2,ptbin)]) okLcpKpi=0;
 395       }
 396     } else if(returnvaluePID>=2){
 397
 398       pdgs[0]=211;pdgs[2]=2212;
 399       AliKFParticle *lc2=ReconstructKF(d,pdgs,field,constraint);
 400       if(!lc2){
 401         okLcpiKp=0;
 402       }else{
 403         if(lc2->GetChi2()/lc2->GetNDF()>fCutsRD[GetGlobalIndex(2,ptbin)])okLcpiKp=0;
 404       }
 405     }
 406     break;
 407
 408    }
 409
 410     if(okLcpKpi) returnvalue=1; //cuts passed as Lc->pKpi
 411     if(okLcpiKp) returnvalue=2; //cuts passed as Lc->piKp
 412     if(okLcpKpi && okLcpiKp) returnvalue=3; //cuts passed as both pKpi and piKp
 413
 414   }
 415
 416
 417   Int_t returnvalueTot=CombinePIDCuts(returnvalue,returnvaluePID);
 418   return returnvalueTot;
 419 }
 420 //---------------------------------------------------------------------------
 421 Int_t AliRDHFCutsLctopKpi::IsSelectedPID(AliAODRecoDecayHF* obj) {
 422
 423
 424     if(!fUsePID || !obj) return 3;
 425     Int_t okLcpKpi=0,okLcpiKp=0;
 426     Int_t returnvalue=0;
 427     Bool_t isPeriodd=fPidHF->GetOnePad();
 428     Bool_t isMC=fPidHF->GetMC();
 429     Bool_t ispion0=kTRUE,ispion2=kTRUE;
 430     Bool_t isproton0=kFALSE,isproton2=kFALSE;
 431     Bool_t iskaon1=kFALSE;
 432     if(isPeriodd) {
 433      fPidObjprot->SetOnePad(kTRUE);
 434      fPidObjpion->SetOnePad(kTRUE);
 435     }
 436     if(isMC) {
 437      fPidObjprot->SetMC(kTRUE);
 438      fPidObjpion->SetMC(kTRUE);
 439     }
 440
 441    if(fPidObjprot->GetPidResponse()==0x0){
 442       AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
 443       AliInputEventHandler *inputHandler=(AliInputEventHandler*)mgr->GetInputEventHandler();
 444       AliPIDResponse *pidResp=inputHandler->GetPIDResponse();
 445       fPidObjprot->SetPidResponse(pidResp);
 446     }
 447     if(fPidObjpion->GetPidResponse()==0x0){
 448       AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
 449       AliInputEventHandler *inputHandler=(AliInputEventHandler*)mgr->GetInputEventHandler();
 450       AliPIDResponse *pidResp=inputHandler->GetPIDResponse();
 451       fPidObjpion->SetPidResponse(pidResp);
 452     }
 453     if(fPidHF->GetPidResponse()==0x0){
 454       AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
 455       AliInputEventHandler *inputHandler=(AliInputEventHandler*)mgr->GetInputEventHandler();
 456       AliPIDResponse *pidResp=inputHandler->GetPIDResponse();
 457       fPidHF->SetPidResponse(pidResp);
 458     }
 459
 460     for(Int_t i=0;i<3;i++){
 461      AliAODTrack *track=(AliAODTrack*)obj->GetDaughter(i);
 462      if(!track) return 0;
 463      // identify kaon
 464      if(track->P()<0.55){
 465       fPidHF->SetTOF(kFALSE);
 466       fPidHF->SetTOFdecide(kFALSE);
 467      }
 468      if(i==1) {
 469       Int_t isKaon=fPidHF->MakeRawPid(track,3);
 470       if(isKaon>=1) iskaon1=kTRUE;
 471       if(track->P()<0.55){
 472        fPidHF->SetTOF(kTRUE);
 473        fPidHF->SetTOFdecide(kTRUE);
 474       }
 475
 476       if(!iskaon1) return 0;
 477
 478      }else{
 479      //pion or proton
 480     if(track->P()<1.){
 481       fPidObjprot->SetTOF(kFALSE);
 482       fPidObjprot->SetTOFdecide(kFALSE);
 483      }
 484
 485      Int_t isProton=fPidObjprot->MakeRawPid(track,4);
 486
 487
 488      Int_t isPion=fPidObjpion->MakeRawPid(track,2);
 489
 490      if(track->P()<1.){
 491       fPidObjprot->SetTOF(kTRUE);
 492       fPidObjprot->SetTOFdecide(kTRUE);
 493      }
 494
 495
 496      if(i==0) {
 497       if(isPion<0) ispion0=kFALSE;
 498       if(isProton>=1) isproton0=kTRUE;
 499
 500      }
 501       if(!ispion0 && !isproton0) return 0;
 502      if(i==2) {
 503       if(isPion<0) ispion2=kFALSE;
 504       if(isProton>=1) isproton2=kTRUE;
 505      }
 506
 507     }
 508    }
 509
 510     if(ispion2 && isproton0 && iskaon1) okLcpKpi=1;
 511     if(ispion0 && isproton2 && iskaon1) okLcpiKp=1;
 512     if(okLcpKpi) returnvalue=1; //cuts passed as Lc->pKpi
 513     if(okLcpiKp) returnvalue=2; //cuts passed as Lc->piKp
 514     if(okLcpKpi && okLcpiKp) returnvalue=3; //cuts passed as both pKpi and piKp
 515
 516  return returnvalue;
 517 }
 518
 519 //--------------------------------------------------------------------------
 520
 521 Int_t AliRDHFCutsLctopKpi::IsSelectedNSigmaPbPb(AliAODRecoDecayHF* obj) {
 522
 523
 524   if(!fUsePID || !obj) return 3;
 525   Int_t okLcpKpi=0,okLcpiKp=0;
 526   Int_t returnvalue=0;
 527   Bool_t isPeriodd=fPidHF->GetOnePad();
 528   Bool_t isMC=fPidHF->GetMC();
 529   Bool_t ispion0=kTRUE,ispion2=kTRUE;
 530   Bool_t isproton0=kFALSE,isproton2=kFALSE;
 531   Bool_t iskaon1=kFALSE;
 532   if(isPeriodd) {
 533     fPidObjprot->SetOnePad(kTRUE);
 534     fPidObjpion->SetOnePad(kTRUE);
 535   }
 536   if(isMC) {
 537     fPidObjprot->SetMC(kTRUE);
 538     fPidObjpion->SetMC(kTRUE);
 539   }
 540
 541   if(fPidObjprot->GetPidResponse()==0x0){
 542     AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
 543     AliInputEventHandler *inputHandler=(AliInputEventHandler*)mgr->GetInputEventHandler();
 544     AliPIDResponse *pidResp=inputHandler->GetPIDResponse();
 545     fPidObjprot->SetPidResponse(pidResp);
 546   }
 547   if(fPidObjpion->GetPidResponse()==0x0){
 548     AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
 549     AliInputEventHandler *inputHandler=(AliInputEventHandler*)mgr->GetInputEventHandler();
 550     AliPIDResponse *pidResp=inputHandler->GetPIDResponse();
 551     fPidObjpion->SetPidResponse(pidResp);
 552   }
 553   if(fPidHF->GetPidResponse()==0x0){
 554     AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
 555     AliInputEventHandler *inputHandler=(AliInputEventHandler*)mgr->GetInputEventHandler();
 556     AliPIDResponse *pidResp=inputHandler->GetPIDResponse();
 557     fPidHF->SetPidResponse(pidResp);
 558   }
 559
 560   for(Int_t i=0;i<3;i++){
 561     AliAODTrack *track=(AliAODTrack*)obj->GetDaughter(i);
 562     if(!track) return 0;
 563
 564     if(i==1) {
 565       //kaon
 566       Int_t isKaon=fPidHF->MakeRawPid(track,3);
 567       if(isKaon>=1) iskaon1=kTRUE;
 568       if(!iskaon1) return 0;
 569     }
 570
 571     else {
 572       //pion or proton
 573       Int_t isProton=fPidObjprot->MakeRawPid(track,4);
 574       Int_t isPion=fPidObjpion->MakeRawPid(track,2);
 575
 576       if(i==0) {
 577         if(isPion<0) ispion0=kFALSE;
 578         if(isProton>=1) isproton0=kTRUE;
 579       }
 580       if(!ispion0 && !isproton0) return 0;
 581
 582       if(i==2) {
 583         if(isPion<0) ispion2=kFALSE;
 584         if(isProton>=1) isproton2=kTRUE;
 585       }
 586     }
 587   }
 588
 589   if(ispion2 && isproton0 && iskaon1) okLcpKpi=1;
 590   if(ispion0 && isproton2 && iskaon1) okLcpiKp=1;
 591   if(okLcpKpi) returnvalue=1; //cuts passed as Lc->pKpi
 592   if(okLcpiKp) returnvalue=2; //cuts passed as Lc->piKp
 593   if(okLcpKpi && okLcpiKp) returnvalue=3; //cuts passed as both pKpi and piKp
 594
 595   return returnvalue;
 596 }
 597
 598
 599
 600
 601 //---------------------------------------------------------------------------
 602 Int_t AliRDHFCutsLctopKpi::IsSelectedCombinedPID(AliAODRecoDecayHF* obj) {
 603
 604     if(!fUsePID || !obj) {return 3;}
 605     Int_t okLcpKpi=0,okLcpiKp=0;
 606     Int_t returnvalue=0;
 607     Bool_t isPeriodd=fPidHF->GetOnePad();
 608     Bool_t isMC=fPidHF->GetMC();
 609
 610     if(isPeriodd) {
 611             fPidObjprot->SetOnePad(kTRUE);
 612             fPidObjpion->SetOnePad(kTRUE);
 613     }
 614     if(isMC) {
 615             fPidObjprot->SetMC(kTRUE);
 616             fPidObjpion->SetMC(kTRUE);
 617     }
 618
 619     AliVTrack *track0=dynamic_cast<AliVTrack*>(obj->GetDaughter(0));
 620     AliVTrack *track1=dynamic_cast<AliVTrack*>(obj->GetDaughter(1));
 621     AliVTrack *track2=dynamic_cast<AliVTrack*>(obj->GetDaughter(2));
 622     if (!track0 || !track1 || !track2) return 0;
 623     Double_t prob0[AliPID::kSPECIES];
 624     Double_t prob1[AliPID::kSPECIES];
 625     Double_t prob2[AliPID::kSPECIES];
 626     if(obj->Pt()<3. && track0->P()<1.) fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC);
 627     fPidHF->GetPidCombined()->ComputeProbabilities(track0,fPidHF->GetPidResponse(),prob0);
 628     if(obj->Pt()<3. && track0->P()<1.) fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC|AliPIDResponse::kDetTOF);
 629
 630    if(obj->Pt()<3. && track1->P()<0.55) fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC);
 631     fPidHF->GetPidCombined()->ComputeProbabilities(track1,fPidHF->GetPidResponse(),prob1);
 632    if(obj->Pt()<3. && track1->P()<0.55) fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC|AliPIDResponse::kDetTOF);
 633
 634     if(obj->Pt()<3. && track2->P()<1.) fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC);
 635     fPidHF->GetPidCombined()->ComputeProbabilities(track2,fPidHF->GetPidResponse(),prob2);
 636    if(obj->Pt()<3. && track2->P()<1.) fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC|AliPIDResponse::kDetTOF);
 637
 638     if(fPIDThreshold[AliPID::kPion]>0. && fPIDThreshold[AliPID::kKaon]>0. && fPIDThreshold[AliPID::kProton]>0.){
 639     okLcpiKp=  (prob0[AliPID::kPion  ]>fPIDThreshold[AliPID::kPion  ])
 640              &&(prob1[AliPID::kKaon  ]>fPIDThreshold[AliPID::kKaon  ])
 641              &&(prob2[AliPID::kProton]>fPIDThreshold[AliPID::kProton]);
 642     okLcpKpi=  (prob0[AliPID::kProton]>fPIDThreshold[AliPID::kProton])
 643              &&(prob1[AliPID::kKaon  ]>fPIDThreshold[AliPID::kKaon  ])
 644              &&(prob2[AliPID::kPion  ]>fPIDThreshold[AliPID::kPion  ]);
 645    }else{
 646                     //pion or proton
 647
 648
 649     if(TMath::MaxElement(AliPID::kSPECIES,prob1) == prob1[AliPID::kKaon]){
 650     if(TMath::MaxElement(AliPID::kSPECIES,prob0) == prob0[AliPID::kProton] && TMath::MaxElement(AliPID::kSPECIES,prob2) == prob2[AliPID::kPion]) okLcpKpi = 1;
 651     if(TMath::MaxElement(AliPID::kSPECIES,prob2) == prob2[AliPID::kProton] && TMath::MaxElement(AliPID::kSPECIES,prob0) == prob0[AliPID::kPion]) okLcpiKp = 1;
 652             }
 653            }
 654
 655     if(okLcpKpi) returnvalue=1; //cuts passed as Lc->pKpi
 656     if(okLcpiKp) returnvalue=2; //cuts passed as Lc->piKp
 657     if(okLcpKpi && okLcpiKp) returnvalue=3; //cuts passed as both pKpi and piKp
 658
 659     return returnvalue;
 660 }
 661 //-----------------------
 662 Int_t AliRDHFCutsLctopKpi::CombinePIDCuts(Int_t returnvalue, Int_t returnvaluePID) const {
 663
 664  Int_t returnvalueTot=0;
 665  Int_t okLcpKpi=0,okLcpiKp=0;
 666  if(returnvaluePID==1){
 667    if(returnvalue==1 || returnvalue==3) okLcpKpi=1;
 668  }
 669  if(returnvaluePID==2){
 670    if(returnvalue>=2) okLcpiKp=1;
 671  }
 672  if(returnvaluePID==3 && returnvalue>0){
 673   if(returnvalue==1 || returnvalue==3) okLcpKpi=1;
 674   if(returnvalue>=2) okLcpiKp=1;
 675  }
 676
 677  if(okLcpKpi) returnvalueTot=1; //cuts passed as Lc->pKpi
 678  if(okLcpiKp) returnvalueTot=2; //cuts passed as Lc->piKp
 679  if(okLcpKpi && okLcpiKp) returnvalueTot=3; //cuts passed as both pKpi and piKp
 680  return returnvalueTot;
 681 }
 682 //----------------------------------
 683 void AliRDHFCutsLctopKpi::SetStandardCutsPP2010() {
 684
 685  SetName("LctopKpiProdCuts");
 686  SetTitle("Production cuts for Lc analysis");
 687
 688  AliESDtrackCuts *esdTrackCuts = new AliESDtrackCuts("AliESDtrackCuts","default");
 689  esdTrackCuts->SetRequireSigmaToVertex(kFALSE);
 690  esdTrackCuts->SetRequireTPCRefit(kTRUE);
 691  esdTrackCuts->SetMinNClustersTPC(70);
 692  esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
 693                                           AliESDtrackCuts::kAny);
 694  esdTrackCuts->SetRequireITSRefit(kTRUE);
 695  esdTrackCuts->SetMinNClustersITS(4);
 696  esdTrackCuts->SetMinDCAToVertexXY(0.);
 697  esdTrackCuts->SetEtaRange(-0.8,0.8);
 698  esdTrackCuts->SetPtRange(0.3,1.e10);
 699  AddTrackCuts(esdTrackCuts);
 700
 701  const Int_t nptbins=8;
 702  const Int_t nvars=13;
 703  Float_t* ptbins;
 704  ptbins=new Float_t[nptbins+1];
 705
 706  ptbins[0]=1.;
 707  ptbins[1]=2.;
 708  ptbins[2]=3.;
 709  ptbins[3]=4.;
 710  ptbins[4]=5.;
 711  ptbins[5]=6.;
 712  ptbins[6]=8.;
 713  ptbins[7]=10.;
 714  ptbins[8]=20.;
 715
 716  SetGlobalIndex(nvars,nptbins);
 717  SetPtBins(nptbins+1,ptbins);
 718
 719  Float_t** prodcutsval;
 720  prodcutsval=new Float_t*[nvars];
 721  for(Int_t iv=0;iv<nvars;iv++){
 722   prodcutsval[iv]=new Float_t[nptbins];
 723  }
 724
 725  for(Int_t ipt=0;ipt<nptbins;ipt++){
 726   prodcutsval[0][ipt]=0.13;
 727   prodcutsval[1][ipt]=0.4;
 728   prodcutsval[2][ipt]=0.4;
 729   prodcutsval[3][ipt]=0.;
 730   prodcutsval[4][ipt]=0.;
 731   prodcutsval[5][ipt]=0.;
 732   prodcutsval[6][ipt]=0.06;
 733   prodcutsval[7][ipt]=0.005;
 734   prodcutsval[8][ipt]=0.;
 735   prodcutsval[9][ipt]=0.;
 736   prodcutsval[10][ipt]=0.;
 737   prodcutsval[11][ipt]=0.05;
 738   prodcutsval[12][ipt]=0.4;
 739  }
 740  SetCuts(nvars,nptbins,prodcutsval);
 741
 742  AliAODPidHF* pidObjK=new AliAODPidHF();
 743  Double_t sigmasK[5]={3.,1.,1.,3.,2.};
 744  pidObjK->SetSigma(sigmasK);
 745  pidObjK->SetAsym(kTRUE);
 746  pidObjK->SetMatch(1);
 747  pidObjK->SetTPC(kTRUE);
 748  pidObjK->SetTOF(kTRUE);
 749  pidObjK->SetITS(kTRUE);
 750  Double_t plimK[2]={0.5,0.8};
 751  pidObjK->SetPLimit(plimK,2);
 752  pidObjK->SetTOFdecide(kTRUE);
 753
 754  SetPidHF(pidObjK);
 755
 756  AliAODPidHF* pidObjpi=new AliAODPidHF();
 757  pidObjpi->SetTPC(kTRUE);
 758  Double_t sigmaspi[5]={3.,0.,0.,0.,0.};
 759  pidObjpi->SetSigma(sigmaspi);
 760  pidObjpi->SetTOFdecide(kTRUE);
 761  SetPidpion(pidObjpi);
 762
 763  AliAODPidHF* pidObjp=new AliAODPidHF();
 764  Double_t sigmasp[5]={3.,1.,1.,3.,2.};
 765  pidObjp->SetSigma(sigmasp);
 766  pidObjp->SetAsym(kTRUE);
 767  pidObjp->SetMatch(1);
 768  pidObjp->SetTPC(kTRUE);
 769  pidObjp->SetTOF(kTRUE);
 770  pidObjp->SetITS(kTRUE);
 771  Double_t plimp[2]={1.,2.};
 772  pidObjp->SetPLimit(plimp,2);
 773  pidObjp->SetTOFdecide(kTRUE);
 774
 775  SetPidprot(pidObjp);
 776
 777  SetUsePID(kTRUE);
 778  SetOptPileup(kTRUE);
 779
 780  PrintAll();
 781
 782  for(Int_t iiv=0;iiv<nvars;iiv++){
 783   delete [] prodcutsval[iiv];
 784  }
 785  delete [] prodcutsval;
 786  prodcutsval=NULL;
 787  delete [] ptbins;
 788  ptbins=NULL;
 789
 790  delete pidObjK;
 791  pidObjK=NULL;
 792  delete pidObjpi;
 793  pidObjpi=NULL;
 794  delete pidObjp;
 795  pidObjp=NULL;
 796
 797  return;
 798 }
 799 //------------------
 800 void AliRDHFCutsLctopKpi::SetStandardCutsPbPb2010() {
 801
 802  SetName("LctopKpiProdCuts");
 803  SetTitle("Production cuts for Lc analysis");
 804
 805  AliESDtrackCuts *esdTrackCuts = new AliESDtrackCuts("AliESDtrackCuts","default");
 806
 807  esdTrackCuts->SetRequireTPCRefit(kTRUE);
 808  esdTrackCuts->SetMinNClustersTPC(70);
 809  esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
 810                                           AliESDtrackCuts::kAny);
 811  esdTrackCuts->SetRequireITSRefit(kTRUE);
 812  esdTrackCuts->SetMinNClustersITS(4);
 813  esdTrackCuts->SetMinDCAToVertexXYPtDep("0.0100*TMath::Max(0.,(1-TMath::Floor(TMath::Abs(pt)/2.)))");
 814  esdTrackCuts->SetEtaRange(-0.8,0.8);
 815  esdTrackCuts->SetMaxDCAToVertexXY(1.);
 816  esdTrackCuts->SetMaxDCAToVertexZ(1.);
 817  esdTrackCuts->SetPtRange(0.49,1.e10);
 818  AddTrackCuts(esdTrackCuts);
 819
 820  const Int_t nptbins=8;
 821  const Int_t nvars=13;
 822  Float_t* ptbins;
 823  ptbins=new Float_t[nptbins+1];
 824
 825  ptbins[0]=1.;
 826  ptbins[1]=2.;
 827  ptbins[2]=3.;
 828  ptbins[3]=4.;
 829  ptbins[4]=5.;
 830  ptbins[5]=6.;
 831  ptbins[6]=8.;
 832  ptbins[7]=10.;
 833  ptbins[8]=99999.;
 834
 835
 836  SetGlobalIndex(nvars,nptbins);
 837  SetPtBins(nptbins+1,ptbins);
 838
 839  Float_t** prodcutsval;
 840  prodcutsval=new Float_t*[nvars];
 841  for(Int_t iv=0;iv<nvars;iv++){
 842   prodcutsval[iv]=new Float_t[nptbins];
 843  }
 844
 845  for(Int_t ipt=0;ipt<nptbins;ipt++){
 846   prodcutsval[0][ipt]=0.13;
 847   prodcutsval[1][ipt]=0.5;
 848   prodcutsval[2][ipt]=0.6;
 849   prodcutsval[3][ipt]=0.;
 850   prodcutsval[4][ipt]=0.;
 851   prodcutsval[5][ipt]=0.01;
 852   prodcutsval[6][ipt]=0.04;
 853   prodcutsval[7][ipt]=0.006;
 854   prodcutsval[8][ipt]=0.8;
 855   prodcutsval[9][ipt]=0.3;
 856   prodcutsval[10][ipt]=0.;
 857   prodcutsval[11][ipt]=0.05;
 858   prodcutsval[12][ipt]=0.4;
 859  }
 860  SetCuts(nvars,nptbins,prodcutsval);
 861
 862  AliAODPidHF* pidObj=new AliAODPidHF();
 863  pidObj->SetTPC(kTRUE);
 864  pidObj->SetTOF(kTRUE);
 865  SetPidHF(pidObj);
 866  SetPidpion(pidObj);
 867  SetPidprot(pidObj);
 868
 869
 870  // bayesian pid
 871  GetPidHF()->SetUseCombined(kTRUE);
 872  GetPidHF()->SetUseDefaultPriors(kTRUE);
 873  GetPidHF()->SetCombDetectors(AliAODPidHF::kTPCTOF);
 874  for (Int_t ispecies=0;ispecies<AliPID::kSPECIES;++ispecies){
 875    SetPIDThreshold(static_cast<AliPID::EParticleType>(ispecies),0);
 876  }
 877  SetPIDStrategy(AliRDHFCutsLctopKpi::kCombinedpPb);
 878  SetUsePID(kTRUE);
 879
 880
 881  PrintAll();
 882
 883  for(Int_t iiv=0;iiv<nvars;iiv++){
 884   delete [] prodcutsval[iiv];
 885  }
 886  delete [] prodcutsval;
 887  prodcutsval=NULL;
 888  delete [] ptbins;
 889  ptbins=NULL;
 890
 891  delete pidObj;
 892  pidObj=NULL;
 893
 894  return;
 895 }
 896 //------------------
 897 AliKFParticle* AliRDHFCutsLctopKpi::ReconstructKF(AliAODRecoDecayHF3Prong *d,Int_t *pdgs,Double_t field,Bool_t constraint) const{
 898   // Method to construct the KF particle from the candidate
 899
 900  const Int_t nprongs=d->GetNProngs();
 901  if(nprongs<=0) return 0x0;
 902
 903  Int_t iprongs[nprongs];
 904  for(Int_t i=0;i<nprongs;i++) iprongs[i]=i;
 905
 906  Double_t mass[2]={0.,0.};
 907
 908  AliKFParticle *decay=d->ApplyVertexingKF(iprongs,nprongs,pdgs,constraint,field,mass);
 909  if(!decay) return 0x0;
 910  AliESDVertex *vertexESD = new AliESDVertex(decay->Parameters(),
 911                                             decay->CovarianceMatrix(),
 912                                             decay->GetChi2(),
 913                                             nprongs);
 914  Double_t pos[3],cov[6],chi2perNDF;
 915  vertexESD->GetXYZ(pos);
 916  vertexESD->GetCovMatrix(cov);
 917  chi2perNDF = vertexESD->GetChi2toNDF();
 918  delete vertexESD; vertexESD=NULL;
 919  AliAODVertex *vertexAOD = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,nprongs);
 920  d->SetSecondaryVtx(vertexAOD);
 921  return decay;
 922 }
 923
 924 //------------------
 925 void AliRDHFCutsLctopKpi::SetStandardCutsPbPb2011() {
 926
 927   // Default 2010 PbPb cut object
 928   SetStandardCutsPbPb2010();
 929
 930   //
 931   // Enable all 2011 PbPb run triggers
 932   //
 933   SetTriggerClass("");
 934   ResetMaskAndEnableMBTrigger();
 935   EnableCentralTrigger();
 936   EnableSemiCentralTrigger();
 937 }
 938 //-----------------
 939
 940 Bool_t AliRDHFCutsLctopKpi::IsInFiducialAcceptance(Double_t pt, Double_t y) const
 941 {
 942   //
 943   //  // Checking if Lc is in fiducial acceptance region
 944   //    //
 945   //
 946   if(fMaxRapidityCand>-998.){
 947     if(TMath::Abs(y) > fMaxRapidityCand) return kFALSE;
 948     else return kTRUE;
 949   }
 950
 951   if(pt > 5.) {
 952     // applying cut for pt > 5 GeV
 953    AliDebug(2,Form("pt of Lc = %f (> 5), cutting at |y| < 0.8",pt));
 954    if (TMath::Abs(y) > 0.8) return kFALSE;
 955
 956   } else {
 957    // appliying smooth cut for pt < 5 GeV
 958    Double_t maxFiducialY = -0.2/15*pt*pt+1.9/15*pt+0.5;
 959    Double_t minFiducialY = 0.2/15*pt*pt-1.9/15*pt-0.5;
 960   AliDebug(2,Form("pt of Lc = %f (< 5), cutting  according to the fiducial zone [%f, %f]\n",pt,minFiducialY,maxFiducialY));
 961   if (y < minFiducialY || y > maxFiducialY) return kFALSE;
 962  }
 963   //
 964   return kTRUE;
 965 }
 966 //--------------------------------------------------------
 967 Int_t AliRDHFCutsLctopKpi::IsSelectedCombinedPIDSoft(AliAODRecoDecayHF* obj) {
 968  if(!fUsePID || !obj) {return 3;}
 969  Int_t okLcpKpi=0,okLcpiKp=0;
 970  Int_t returnvalue=0;
 971
 972  AliVTrack *track0=dynamic_cast<AliVTrack*>(obj->GetDaughter(0));
 973  AliVTrack *track1=dynamic_cast<AliVTrack*>(obj->GetDaughter(1));
 974  AliVTrack *track2=dynamic_cast<AliVTrack*>(obj->GetDaughter(2));
 975  if (!track0 || !track1 || !track2) return 0;
 976  Double_t prob0[AliPID::kSPECIES];
 977  Double_t prob1[AliPID::kSPECIES];
 978  Double_t prob2[AliPID::kSPECIES];
 979
 980  Bool_t isTOF0=fPidHF->CheckTOFPIDStatus((AliAODTrack*)obj->GetDaughter(0));
 981  Bool_t isTOF1=fPidHF->CheckTOFPIDStatus((AliAODTrack*)obj->GetDaughter(1));
 982  Bool_t isTOF2=fPidHF->CheckTOFPIDStatus((AliAODTrack*)obj->GetDaughter(2));
 983
 984 Bool_t isK1=kFALSE;
 985  if(isTOF1){ //kaon
 986   if(track1->P()<1.8) {
 987     fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC|AliPIDResponse::kDetTOF);
 988     if(obj->Pt()<3. && track1->P()<0.55) fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC);
 989     fPidHF->GetPidCombined()->ComputeProbabilities(track1,fPidHF->GetPidResponse(),prob1);
 990
 991   }else{
 992     AliAODTrack *trackaod1=(AliAODTrack*)(obj->GetDaughter(1));
 993     if(trackaod1->P()<0.55){
 994       fPidHF->SetTOF(kFALSE);
 995       fPidHF->SetTOFdecide(kFALSE);
 996      }
 997     Int_t isKaon=fPidHF->MakeRawPid(trackaod1,3);
 998     if(isKaon>=1) isK1=kTRUE;
 999     if(trackaod1->P()<0.55){
1000       fPidHF->SetTOF(kTRUE);
1001       fPidHF->SetTOFdecide(kTRUE);
1002      }
1003   }
1004  }else{
1005   if(track1->P()<0.8){
1006     fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC);
1007     fPidHF->GetPidCombined()->ComputeProbabilities(track1,fPidHF->GetPidResponse(),prob0);
1008   }else{
1009     AliAODTrack *trackaod1=(AliAODTrack*)(obj->GetDaughter(1));
1010      if(trackaod1->P()<0.55){
1011       fPidHF->SetTOF(kFALSE);
1012       fPidHF->SetTOFdecide(kFALSE);
1013      }
1014     Int_t isKaon=fPidHF->MakeRawPid(trackaod1,3);
1015     if(isKaon>=1) isK1=kTRUE;
1016      if(trackaod1->P()<0.55){
1017       fPidHF->SetTOF(kTRUE);
1018       fPidHF->SetTOFdecide(kTRUE);
1019      }
1020   }
1021  }
1022
1023  Bool_t ispi0=kFALSE;
1024  Bool_t isp0=kFALSE;
1025  Bool_t ispi2=kFALSE;
1026  Bool_t isp2=kFALSE;
1027
1028  if(isTOF0){ //proton
1029   if(track0->P()<2.2) {
1030     fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC|AliPIDResponse::kDetTOF);
1031     if(obj->Pt()<3. && track0->P()<1.) fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC);
1032     fPidHF->GetPidCombined()->ComputeProbabilities(track0,fPidHF->GetPidResponse(),prob0);
1033   }else{
1034    AliAODTrack *trackaod0=(AliAODTrack*)(obj->GetDaughter(0));
1035    if(trackaod0->P()<1.){
1036       fPidObjprot->SetTOF(kFALSE);
1037       fPidObjprot->SetTOFdecide(kFALSE);
1038    }
1039    Int_t isProton=fPidObjprot->MakeRawPid(trackaod0,4);
1040    if(isProton>=1) isp0=kTRUE;
1041    if(trackaod0->P()<1.){
1042       fPidObjprot->SetTOF(kTRUE);
1043       fPidObjprot->SetTOFdecide(kTRUE);
1044    }
1045   }
1046  }else{
1047    if(track0->P()<1.2){
1048     fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC);
1049     fPidHF->GetPidCombined()->ComputeProbabilities(track0,fPidHF->GetPidResponse(),prob0);
1050    }else{
1051     AliAODTrack *trackaod0=(AliAODTrack*)(obj->GetDaughter(0));
1052     if(trackaod0->P()<1.){
1053       fPidObjprot->SetTOF(kFALSE);
1054       fPidObjprot->SetTOFdecide(kFALSE);
1055     }
1056     Int_t isProton=fPidObjprot->MakeRawPid(trackaod0,4);
1057     if(isProton>=1) isp0=kTRUE;
1058     if(trackaod0->P()<1.){
1059       fPidObjprot->SetTOF(kTRUE);
1060       fPidObjprot->SetTOFdecide(kTRUE);
1061     }
1062    }
1063  }
1064
1065  if(isTOF2){ //proton
1066   if(track2->P()<2.2) {
1067     fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC|AliPIDResponse::kDetTOF);
1068     if(obj->Pt()<3. && track2->P()<1.) fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC);
1069     fPidHF->GetPidCombined()->ComputeProbabilities(track2,fPidHF->GetPidResponse(),prob2);
1070   }else{
1071     AliAODTrack *trackaod2=(AliAODTrack*)(obj->GetDaughter(2));
1072     if(trackaod2->P()<1.){
1073       fPidObjprot->SetTOF(kFALSE);
1074       fPidObjprot->SetTOFdecide(kFALSE);
1075     }
1076    Int_t isProton=fPidObjprot->MakeRawPid(trackaod2,4);
1077    if(isProton>=1) isp2=kTRUE;
1078    if(trackaod2->P()<1.){
1079       fPidObjprot->SetTOF(kTRUE);
1080       fPidObjprot->SetTOFdecide(kTRUE);
1081     }
1082   }
1083  }else{
1084    if(track2->P()<1.2){
1085     fPidHF->GetPidCombined()->SetDetectorMask(AliPIDResponse::kDetTPC);
1086     fPidHF->GetPidCombined()->ComputeProbabilities(track2,fPidHF->GetPidResponse(),prob2);
1087    }else{
1088     AliAODTrack *trackaod2=(AliAODTrack*)(obj->GetDaughter(2));
1089      if(trackaod2->P()<1.){
1090       fPidObjprot->SetTOF(kFALSE);
1091       fPidObjprot->SetTOFdecide(kFALSE);
1092     }
1093     Int_t isProton=fPidObjprot->MakeRawPid(trackaod2,4);
1094     if(isProton>=1) isp2=kTRUE;
1095     if(trackaod2->P()<1.){
1096       fPidObjprot->SetTOF(kTRUE);
1097       fPidObjprot->SetTOFdecide(kTRUE);
1098     }
1099    }
1100  }
1101   AliAODTrack *trackaod2=(AliAODTrack*)(obj->GetDaughter(2));
1102   if(fPidObjpion->MakeRawPid(trackaod2,2)>=1)ispi2=kTRUE;
1103   AliAODTrack *trackaod0=(AliAODTrack*)(obj->GetDaughter(2));
1104   if(fPidObjpion->MakeRawPid(trackaod0,2)>=1)ispi0=kTRUE;
1105
1106   if(TMath::MaxElement(AliPID::kSPECIES,prob1) == prob1[AliPID::kKaon]){
1107
1108     if(TMath::MaxElement(AliPID::kSPECIES,prob0) == prob0[AliPID::kProton] && TMath::MaxElement(AliPID::kSPECIES,prob2) == prob2[AliPID::kPion]) okLcpKpi = 1;
1109     if(TMath::MaxElement(AliPID::kSPECIES,prob2) == prob2[AliPID::kProton] && TMath::MaxElement(AliPID::kSPECIES,prob0) == prob0[AliPID::kPion]) okLcpiKp = 1;
1110     }
1111
1112    if(!isK1 && TMath::MaxElement(AliPID::kSPECIES,prob1) == prob1[AliPID::kKaon]) isK1=kTRUE;
1113     if(!ispi0 && TMath::MaxElement(AliPID::kSPECIES,prob0) == prob0[AliPID::kPion]) ispi0=kTRUE;
1114     if(!ispi2 && TMath::MaxElement(AliPID::kSPECIES,prob2) == prob2[AliPID::kPion]) ispi2=kTRUE;
1115     if(!isp0 && TMath::MaxElement(AliPID::kSPECIES,prob0) == prob0[AliPID::kProton]) isp0=kTRUE;
1116     if(!isp2 && TMath::MaxElement(AliPID::kSPECIES,prob2) == prob2[AliPID::kProton]) isp2=kTRUE;
1117     if(isK1 && ispi0 && isp2) okLcpiKp = 1;
1118     if(isK1 && isp0 && ispi2) okLcpKpi = 1;
1119
1120    if(okLcpKpi) returnvalue=1; //cuts passed as Lc->pKpi
1121     if(okLcpiKp) returnvalue=2; //cuts passed as Lc->piKp
1122     if(okLcpKpi && okLcpiKp) returnvalue=3; //cuts passed as both pKpi and piKp
1123
1124     return returnvalue;
1125
1126
1127 }
1128 //----------------------------------------------------------
1129 Int_t AliRDHFCutsLctopKpi::IsSelectedPIDStrong(AliAODRecoDecayHF* obj) {
1130
1131
1132     if(!fUsePID || !obj) return 3;
1133     Int_t okLcpKpi=0,okLcpiKp=0;
1134     Int_t returnvalue=0;
1135     Bool_t isPeriodd=fPidHF->GetOnePad();
1136     Bool_t isMC=fPidHF->GetMC();
1137     Bool_t ispion0=kTRUE,ispion2=kTRUE;
1138     Bool_t isproton0=kFALSE,isproton2=kFALSE;
1139     Bool_t iskaon1=kFALSE;
1140     if(isPeriodd) {
1141      fPidObjprot->SetOnePad(kTRUE);
1142      fPidObjpion->SetOnePad(kTRUE);
1143     }
1144     if(isMC) {
1145      fPidObjprot->SetMC(kTRUE);
1146      fPidObjpion->SetMC(kTRUE);
1147     }
1148
1149     for(Int_t i=0;i<3;i++){
1150      AliAODTrack *track=(AliAODTrack*)obj->GetDaughter(i);
1151      if(!track) return 0;
1152      // identify kaon
1153      if(i==1) {
1154       Int_t isKaon=fPidHF->MakeRawPid(track,3);
1155       if(isKaon>=1) {
1156        iskaon1=kTRUE;
1157       if(fPidHF->MakeRawPid(track,2)>=1) iskaon1=kFALSE;
1158       }
1159       if(!iskaon1) return 0;
1160
1161      }else{
1162      //pion or proton
1163
1164      Int_t isProton=fPidObjprot->MakeRawPid(track,4);
1165      if(isProton>=1){
1166       if(fPidHF->MakeRawPid(track,2)>=1) isProton=-1;
1167       if(fPidHF->MakeRawPid(track,3)>=1) isProton=-1;
1168      }
1169
1170      Int_t isPion=fPidObjpion->MakeRawPid(track,2);
1171      if(fPidHF->MakeRawPid(track,3)>=1) isPion=-1;
1172      if(fPidObjprot->MakeRawPid(track,4)>=1) isPion=-1;
1173
1174
1175      if(i==0) {
1176       if(isPion<0) ispion0=kFALSE;
1177       if(isProton>=1) isproton0=kTRUE;
1178
1179      }
1180       if(!ispion0 && !isproton0) return 0;
1181      if(i==2) {
1182       if(isPion<0) ispion2=kFALSE;
1183       if(isProton>=1) isproton2=kTRUE;
1184      }
1185
1186     }
1187    }
1188
1189     if(ispion2 && isproton0 && iskaon1) okLcpKpi=1;
1190     if(ispion0 && isproton2 && iskaon1) okLcpiKp=1;
1191     if(okLcpKpi) returnvalue=1; //cuts passed as Lc->pKpi
1192     if(okLcpiKp) returnvalue=2; //cuts passed as Lc->piKp
1193     if(okLcpKpi && okLcpiKp) returnvalue=3; //cuts passed as both pKpi and piKp
1194
1195  return returnvalue;
1196 }
1197 //--------------------
1198 Int_t AliRDHFCutsLctopKpi::IsSelectedCombinedPIDpPb(AliAODRecoDecayHF* obj) {
1199
1200     if(!fUsePID || !obj) {return 3;}
1201     Int_t okLcpKpi=0,okLcpiKp=0;
1202     Int_t returnvalue=0;
1203
1204     Bool_t isMC=fPidHF->GetMC();
1205
1206
1207     if(isMC) {
1208             fPidObjprot->SetMC(kTRUE);
1209             fPidObjpion->SetMC(kTRUE);
1210     }
1211
1212     AliVTrack *track0=dynamic_cast<AliVTrack*>(obj->GetDaughter(0));
1213     AliVTrack *track1=dynamic_cast<AliVTrack*>(obj->GetDaughter(1));
1214     AliVTrack *track2=dynamic_cast<AliVTrack*>(obj->GetDaughter(2));
1215     if (!track0 || !track1 || !track2) return 0;
1216     Double_t prob0[AliPID::kSPECIES];
1217     Double_t prob1[AliPID::kSPECIES];
1218     Double_t prob2[AliPID::kSPECIES];
1219
1220     fPidHF->GetPidCombined()->ComputeProbabilities(track0,fPidHF->GetPidResponse(),prob0);
1221     fPidHF->GetPidCombined()->ComputeProbabilities(track1,fPidHF->GetPidResponse(),prob1);
1222     fPidHF->GetPidCombined()->ComputeProbabilities(track2,fPidHF->GetPidResponse(),prob2);
1223
1224
1225     if(fPIDThreshold[AliPID::kPion]>0. && fPIDThreshold[AliPID::kKaon]>0. && fPIDThreshold[AliPID::kProton]>0.){
1226     okLcpiKp=  (prob0[AliPID::kPion  ]>fPIDThreshold[AliPID::kPion  ])
1227              &&(prob1[AliPID::kKaon  ]>fPIDThreshold[AliPID::kKaon  ])
1228              &&(prob2[AliPID::kProton]>fPIDThreshold[AliPID::kProton]);
1229     okLcpKpi=  (prob0[AliPID::kProton]>fPIDThreshold[AliPID::kProton])
1230              &&(prob1[AliPID::kKaon  ]>fPIDThreshold[AliPID::kKaon  ])
1231              &&(prob2[AliPID::kPion  ]>fPIDThreshold[AliPID::kPion  ]);
1232    }else{
1233                     //pion or proton
1234
1235
1236     if(TMath::MaxElement(AliPID::kSPECIES,prob1) == prob1[AliPID::kKaon]){
1237     if(TMath::MaxElement(AliPID::kSPECIES,prob0) == prob0[AliPID::kProton] && TMath::MaxElement(AliPID::kSPECIES,prob2) == prob2[AliPID::kPion]) okLcpKpi = 1;
1238     if(TMath::MaxElement(AliPID::kSPECIES,prob2) == prob2[AliPID::kProton] && TMath::MaxElement(AliPID::kSPECIES,prob0) == prob0[AliPID::kPion]) okLcpiKp = 1;
1239             }
1240            }
1241
1242     if(okLcpKpi) returnvalue=1; //cuts passed as Lc->pKpi
1243     if(okLcpiKp) returnvalue=2; //cuts passed as Lc->piKp
1244     if(okLcpKpi && okLcpiKp) returnvalue=3; //cuts passed as both pKpi and piKp
1245
1246     return returnvalue;
1247 }
1248 //-----------------------
1249 Int_t AliRDHFCutsLctopKpi::IsSelectedCombinedPIDpPb2(AliAODRecoDecayHF* obj) {
1250
1251   Int_t returnvalue =0;
1252   Double_t thresholdK =0.7;
1253   Double_t thresholdPi =0.3; //!
1254   Double_t thresholdPr =0.7;
1255
1256   AliVTrack *track0=dynamic_cast<AliVTrack*>(obj->GetDaughter(0));
1257   AliVTrack *track1=dynamic_cast<AliVTrack*>(obj->GetDaughter(1));
1258   AliVTrack *track2=dynamic_cast<AliVTrack*>(obj->GetDaughter(2));
1259
1260   if (!track0 || !track1 || !track2) return 0;
1261   Double_t prob0[AliPID::kSPECIES];
1262   Double_t prob1[AliPID::kSPECIES];
1263   Double_t prob2[AliPID::kSPECIES];
1264
1265   fPidHF->GetPidCombined()->ComputeProbabilities(track0,fPidHF->GetPidResponse(),prob0);
1266   fPidHF->GetPidCombined()->ComputeProbabilities(track1,fPidHF->GetPidResponse(),prob1);
1267   fPidHF->GetPidCombined()->ComputeProbabilities(track2,fPidHF->GetPidResponse(),prob2);
1268
1269   if(prob1[AliPID::kKaon]>thresholdK){
1270     if(TMath::MaxElement(AliPID::kSPECIES,prob0)>TMath::MaxElement(AliPID::kSPECIES,prob2)){
1271       if(((prob0[AliPID::kPion  ]>prob0[AliPID::kProton  ])&& prob0[AliPID::kPion]>thresholdPi) && prob2[AliPID::kProton]>thresholdPr) returnvalue=2;//piKp
1272       else if(((prob0[AliPID::kProton  ]>prob0[AliPID::kPion  ])&& prob0[AliPID::kProton]>thresholdPr) && prob2[AliPID::kPion]>thresholdPi)returnvalue =1;//pKpi
1273     }
1274
1275     else if(TMath::MaxElement(AliPID::kSPECIES,prob0)<TMath::MaxElement(AliPID::kSPECIES,prob2)){
1276       if(((prob2[AliPID::kPion  ]>prob2[AliPID::kProton  ])&& prob2[AliPID::kPion]>thresholdPi) && prob0[AliPID::kProton]>thresholdPr) returnvalue=1; //pKpi
1277       else if(((prob2[AliPID::kProton  ]>prob2[AliPID::kPion  ])&& prob2[AliPID::kProton]>thresholdPr) && prob0[AliPID::kPion]>thresholdPi)returnvalue =2;      //piKp
1278     }
1279
1280   }
1281   return returnvalue;
1282
1283 }
1284 //------------------------------------------------------
1285 void AliRDHFCutsLctopKpi::SetStandardCutsPPb2013() {
1286
1287  SetName("LctopKpiProdCuts");
1288  SetTitle("Production cuts for Lc analysis");
1289
1290  AliESDtrackCuts *esdTrackCuts = new AliESDtrackCuts("AliESDtrackCuts","default");
1291  esdTrackCuts->SetRequireSigmaToVertex(kFALSE);
1292  esdTrackCuts->SetRequireTPCRefit(kTRUE);
1293  esdTrackCuts->SetMinNClustersTPC(70);
1294  esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
1295                                           AliESDtrackCuts::kAny);
1296  esdTrackCuts->SetRequireITSRefit(kTRUE);
1297  esdTrackCuts->SetMinNClustersITS(4);
1298  esdTrackCuts->SetMinDCAToVertexXY(0.);
1299  esdTrackCuts->SetEtaRange(-0.8,0.8);
1300  esdTrackCuts->SetPtRange(0.3,1.e10);
1301  AddTrackCuts(esdTrackCuts);
1302
1303  const Int_t nvars=13;
1304  const Int_t nptbins=9;
1305  Float_t* ptbins;
1306  ptbins=new Float_t[nptbins+1];
1307  ptbins[0]=0.;
1308  ptbins[1]=1.;
1309  ptbins[2]=2.;
1310  ptbins[3]=3.;
1311  ptbins[4]=4.;
1312  ptbins[5]=5.;
1313  ptbins[6]=6.;
1314  ptbins[7]=8.;
1315  ptbins[8]=10.;
1316  ptbins[9]=99999.;
1317
1318  SetGlobalIndex(nvars,nptbins);
1319  SetPtBins(nptbins+1,ptbins);
1320
1321  Float_t** prodcutsval;
1322  prodcutsval=new Float_t*[nvars];
1323  for(Int_t iv=0;iv<nvars;iv++){
1324   prodcutsval[iv]=new Float_t[nptbins];
1325  }
1326
1327  for(Int_t ipt=0;ipt<nptbins;ipt++){
1328     prodcutsval[0][ipt]=0.13;
1329     prodcutsval[1][ipt]=0.4;
1330     prodcutsval[2][ipt]=0.4;
1331     prodcutsval[3][ipt]=0.;
1332     prodcutsval[4][ipt]=0.;
1333     prodcutsval[5][ipt]=0.;
1334     prodcutsval[6][ipt]=0.06;
1335     prodcutsval[7][ipt]=0.;
1336     prodcutsval[8][ipt]=0.;
1337     prodcutsval[9][ipt]=0.;
1338     prodcutsval[10][ipt]=0.;
1339     prodcutsval[11][ipt]=0.05;
1340     prodcutsval[12][ipt]=0.4;
1341  }
1342  SetCuts(nvars,nptbins,prodcutsval);
1343
1344  AliAODPidHF* pidObjK=new AliAODPidHF();
1345  Double_t sigmasK[5]={3.,1.,1.,3.,2.};
1346  pidObjK->SetSigma(sigmasK);
1347  pidObjK->SetAsym(kTRUE);
1348  pidObjK->SetMatch(1);
1349  pidObjK->SetTPC(kTRUE);
1350  pidObjK->SetTOF(kTRUE);
1351  pidObjK->SetITS(kTRUE);
1352  Double_t plimK[2]={0.5,0.8};
1353  pidObjK->SetPLimit(plimK,2);
1354  pidObjK->SetTOFdecide(kTRUE);
1355  SetPidHF(pidObjK);
1356
1357  AliAODPidHF* pidObjpi=new AliAODPidHF();
1358  pidObjpi->SetTPC(kTRUE);
1359  Double_t sigmaspi[5]={3.,0.,0.,0.,0.};
1360  pidObjpi->SetSigma(sigmaspi);
1361  pidObjpi->SetTOFdecide(kTRUE);
1362  SetPidpion(pidObjpi);
1363
1364  AliAODPidHF* pidObjp=new AliAODPidHF();
1365  Double_t sigmasp[5]={3.,1.,1.,3.,2.};
1366  pidObjp->SetSigma(sigmasp);
1367  pidObjp->SetAsym(kTRUE);
1368  pidObjp->SetMatch(1);
1369  pidObjp->SetTPC(kTRUE);
1370  pidObjp->SetTOF(kTRUE);
1371  pidObjp->SetITS(kTRUE);
1372  Double_t plimp[2]={1.,2.};
1373  pidObjp->SetPLimit(plimp,2);
1374  pidObjp->SetTOFdecide(kTRUE);
1375
1376  SetUsePID(kTRUE);
1377
1378  PrintAll();
1379
1380  for(Int_t iiv=0;iiv<nvars;iiv++){
1381   delete [] prodcutsval[iiv];
1382  }
1383  delete [] prodcutsval;
1384  prodcutsval=NULL;
1385  delete [] ptbins;
1386  ptbins=NULL;
1387
1388  delete pidObjK;
1389  pidObjK=NULL;
1390  delete pidObjpi;
1391  pidObjpi=NULL;
1392  delete pidObjp;
1393  pidObjp=NULL;
1394
1395  return;
1396 }
1397