PWG4/totEt/AliAnalysisHadEtMonteCarlo.cxx

   1 //_________________________________________________________________________
   2 //  Utility Class for transverse energy studies, charged hadrons
   3 //  Base class for MC analysis
   4 //  - MC output
   5 // implementation file
   6 //
   7 //Created by Christine Nattrass, Rebecca Scott, Irakli Martashvili
   8 //University of Tennessee at Knoxville
   9 //_________________________________________________________________________
  10 #include "AliAnalysisHadEtMonteCarlo.h"
  11 #include "AliAnalysisEtCuts.h"
  12
  13 #include "AliStack.h"
  14 #include "AliMCEvent.h"
  15 #include "AliESDEvent.h"
  16 #include "AliESDtrackCuts.h"
  17 #include "AliESDpid.h"
  18 #include "AliPID.h"
  19 #include "AliESDtrack.h"
  20 #include "AliVParticle.h"
  21 #include "AliAnalysisTask.h"
  22 #include "AliAnalysisManager.h"
  23 #include "AliAnalysisHadEtReconstructed.h"
  24 #include "AliAnalysisEtCuts.h"
  25 #include <iostream>
  26 #include "TRandom.h"
  27 #include "AliAnalysisEtCommon.h"
  28
  29 using namespace std;
  30
  31 ClassImp(AliAnalysisHadEtMonteCarlo);
  32
  33
  34 Int_t AliAnalysisHadEtMonteCarlo::fgNumSmearWidths = 4;
  35 Float_t AliAnalysisHadEtMonteCarlo::fgSmearWidths[4] = {0.005,0.006,0.007,0.008};
  36
  37 AliAnalysisHadEtMonteCarlo::AliAnalysisHadEtMonteCarlo():AliAnalysisHadEt()
  38                                                         ,fSimPiKPEt(0)
  39                                                         ,fSimHadEt(0)
  40                                                         ,fSimTotEt(0)
  41                                                         ,fInvestigateSmearing(0)
  42                                                         ,fInvestigateFull(0)
  43                                                         ,fInvestigateEMCal(0)
  44                                                         ,fInvestigatePHOS(0)
  45                                                         ,fInvestigatePiKP(0)
  46                                                         ,fRequireITSHits(0)
  47                                                         ,fPtSmearer(0)
  48 {
  49 }
  50 AliAnalysisHadEtMonteCarlo::~AliAnalysisHadEtMonteCarlo(){//destructor
  51   if(fPtSmearer) delete fPtSmearer;
  52 }
  53
  54 void AliAnalysisHadEtMonteCarlo::ResetEventValues(){//resetting event variables
  55   AliAnalysisHadEt::ResetEventValues();
  56     fSimHadEt=0.0;
  57     fSimTotEt=0.0;
  58     fSimPiKPEt=0.0;
  59 }
  60 Int_t AliAnalysisHadEtMonteCarlo::AnalyseEvent(AliVEvent* ev,AliVEvent* ev2)
  61 { // analyse MC and real event info
  62   FillHisto1D("NEvents",0.5,1);
  63
  64   AnalyseEvent(ev);
  65   AliMCEvent *mcEvent = dynamic_cast<AliMCEvent*>(ev);
  66   AliESDEvent *realEvent = dynamic_cast<AliESDEvent*>(ev2);
  67   AliStack *stack = mcEvent->Stack();
  68
  69   //for PID
  70   AliESDpid *pID = new AliESDpid();
  71
  72   //=============================================
  73
  74   //Roughly following $ALICE_ROOT/PWG0/dNdEta/AlidNdEtaCorrectionTask
  75
  76   //=============================================TPC&&ITS=============================================
  77   TString *strTPC = new TString("TPC");
  78   TString *strITS = new TString("ITS");
  79   TString *strTPCITS = new TString("TPCITS");
  80   Int_t lastcutset = 1;
  81   if(fRequireITSHits) lastcutset = 2;
  82   for(Int_t cutset=0;cutset<=lastcutset;cutset++){
  83     TString *cutName;
  84     TObjArray* list;
  85     switch(cutset){
  86     case 0:
  87       cutName = strTPC;
  88       list = fEsdtrackCutsTPC->GetAcceptedTracks(realEvent);
  89       break;
  90     case 1:
  91       cutName = strITS;
  92       list = fEsdtrackCutsITS->GetAcceptedTracks(realEvent);
  93       break;
  94     case 2:
  95       cutName = strTPCITS;
  96       list = fEsdtrackCutsITSTPC->GetAcceptedTracks(realEvent);
  97       break;
  98     default:
  99       cerr<<"Error:  cannot fill histograms!"<<endl;
 100       return -1;
 101     }
 102     Int_t nGoodTracks = list->GetEntries();
 103     for (Int_t iTrack = 0; iTrack < nGoodTracks; iTrack++)
 104       {
 105         AliESDtrack *track = dynamic_cast<AliESDtrack*> (list->At(iTrack));
 106         if (!track)
 107           {
 108             Printf("ERROR: Could not get track %d", iTrack);
 109             continue;
 110           }
 111         else{
 112           Float_t nSigmaPion,nSigmaProton,nSigmaKaon,nSigmaElectron;
 113           pID->MakeTPCPID(track);
 114           pID->MakeITSPID(track);
 115           if(cutset!=1){
 116             nSigmaPion = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kPion));
 117             nSigmaProton = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kProton));
 118             nSigmaKaon = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kKaon));
 119             nSigmaElectron = TMath::Abs(pID->NumberOfSigmasTPC(track,AliPID::kElectron));
 120           }
 121           else{
 122             nSigmaPion = TMath::Abs(pID->NumberOfSigmasITS(track,AliPID::kPion));
 123             nSigmaProton = TMath::Abs(pID->NumberOfSigmasITS(track,AliPID::kProton));
 124             nSigmaKaon = TMath::Abs(pID->NumberOfSigmasITS(track,AliPID::kKaon));
 125             nSigmaElectron = TMath::Abs(pID->NumberOfSigmasITS(track,AliPID::kElectron));
 126           }
 127           bool isPion = (nSigmaPion<3.0 && nSigmaProton>2.0 && nSigmaKaon>2.0);
 128           bool isElectron = (nSigmaElectron<2.0 && nSigmaPion>4.0 && nSigmaProton>3.0 && nSigmaKaon>3.0);
 129           bool isKaon = (nSigmaPion>3.0 && nSigmaProton>2.0 && nSigmaKaon<2.0);
 130           bool isProton = (nSigmaPion>3.0 && nSigmaProton<2.0 && nSigmaKaon>2.0);
 131
 132           bool unidentified = (!isProton && !isKaon && !isElectron);
 133           Float_t dEdx = track->GetTPCsignal();
 134           if(cutset==1) dEdx = track->GetITSsignal();
 135
 136           FillHisto2D(Form("dEdxAll%s",cutName->Data()),track->P(),dEdx,1.0);
 137
 138           UInt_t label = (UInt_t)TMath::Abs(track->GetLabel());
 139           TParticle  *simPart  = stack->Particle(label);
 140           if(!simPart) {
 141             Printf("no MC particle\n");
 142             continue;
 143           }
 144           else{//analysis
 145             if(stack->IsPhysicalPrimary(label)){
 146               if (TMath::Abs(simPart->Eta()) < fCuts->GetCommonEtaCut()){
 147                 Int_t pdgCode =  simPart->GetPDG(0)->PdgCode();
 148                 Int_t mypid = 0;
 149                 if(pdgCode==AliAnalysisHadEt::fgPiPlusCode) mypid = 1;
 150                 if(pdgCode==fgProtonCode) mypid = 2;
 151                 if(pdgCode==fgKPlusCode) mypid = 3;
 152                 if(pdgCode==fgEPlusCode) mypid = 4;
 153                 if(pdgCode==fgPiMinusCode) mypid = 1;
 154                 if(pdgCode==fgAntiProtonCode) mypid = 2;
 155                 if(pdgCode==fgKMinusCode) mypid = 3;
 156                 if(pdgCode==fgEMinusCode) mypid = 4;
 157                 bool filled = false;
 158                 //============Charged hadrons===================================
 159                 //identified...
 160                 if(isPion){
 161                   if(pdgCode!=fgPiPlusCode && pdgCode!=fgPiMinusCode){
 162                     FillHisto2D(Form("MisidentifiedPIDs%s",cutName->Data()),1,mypid,1);
 163                     //if(mypid==0)cerr<<"I was misidentified! I'm not a pion! I am a "<<simPart->GetName()<<endl;
 164                   }
 165                   float myEt = Et(simPart);
 166                   if(track->Charge()>0){ FillHisto2D(Form("EtReconstructed%sIdentifiedPiPlus",cutName->Data()),track->Pt(),track->Eta(),myEt);}
 167                   else{ FillHisto2D(Form("EtReconstructed%sIdentifiedPiMinus",cutName->Data()),track->Pt(),track->Eta(),myEt);}
 168                   FillHisto2D(Form("dEdxPion%s",cutName->Data()),track->P(),dEdx,1.0);
 169                 }
 170                 if(isProton){
 171                   if(pdgCode!=fgProtonCode && pdgCode!=fgAntiProtonCode){
 172                     FillHisto2D(Form("MisidentifiedPIDs%s",cutName->Data()),2,mypid,1);
 173                   }
 174                   float myEt = Et(simPart);
 175                   if(track->Charge()>0){ FillHisto2D(Form("EtReconstructed%sIdentifiedProton",cutName->Data()),track->Pt(),track->Eta(),myEt);}
 176                   else{ FillHisto2D(Form("EtReconstructed%sIdentifiedAntiProton",cutName->Data()),track->Pt(),track->Eta(),myEt);}
 177                   FillHisto2D(Form("dEdxProton%s",cutName->Data()),track->P(),dEdx,1.0);
 178                 }
 179                 if(isKaon){
 180                   if(pdgCode!=fgKMinusCode && pdgCode!=fgKPlusCode){
 181                     FillHisto2D(Form("MisidentifiedPIDs%s",cutName->Data()),3,mypid,1);
 182                   }
 183                   float myEt = Et(simPart);
 184                   if(track->Charge()>0){ FillHisto2D(Form("EtReconstructed%sIdentifiedKPlus",cutName->Data()),track->Pt(),track->Eta(),myEt);}
 185                   else{ FillHisto2D(Form("EtReconstructed%sIdentifiedKMinus",cutName->Data()),track->Pt(),track->Eta(),myEt);}
 186                   FillHisto2D(Form("dEdxKaon%s",cutName->Data()),track->P(),dEdx,1.0);
 187                 }
 188                 if(isElectron){
 189                   if(pdgCode!=fgEMinusCode && pdgCode!=fgEPlusCode){
 190                     FillHisto2D(Form("MisidentifiedPIDs%s",cutName->Data()),4,mypid,1);
 191                   }
 192                   float myEt = Et(simPart);
 193                   if(track->Charge()>0){ FillHisto2D(Form("EtReconstructed%sIdentifiedEPlus",cutName->Data()),track->Pt(),track->Eta(),myEt);}
 194                   else{ FillHisto2D(Form("EtReconstructed%sIdentifiedEMinus",cutName->Data()),track->Pt(),track->Eta(),myEt);}
 195                   FillHisto2D(Form("dEdxElectron%s",cutName->Data()),track->P(),dEdx,1.0);
 196                 }
 197                 if(unidentified){
 198                   if(pdgCode!=fgEMinusCode && pdgCode!=fgEPlusCode){
 199                     float myEtPi = Et(simPart,fgPionMass);
 200                     float myEt = Et(simPart);
 201                     FillHisto2D(Form("EtReconstructed%sUnidentifiedAssumingPion",cutName->Data()),track->Pt(),track->Eta(),myEtPi);
 202                     FillHisto2D(Form("EtReconstructed%sUnidentified",cutName->Data()),track->Pt(),track->Eta(),myEt);
 203                     FillHisto2D(Form("EtNReconstructed%sUnidentified",cutName->Data()),track->Pt(),track->Eta(),1.0);
 204                   }
 205                   FillHisto2D(Form("dEdxUnidentified%s",cutName->Data()),track->P(),dEdx,1.0);
 206                   FillHisto1D(Form("UnidentifiedPIDs%s",cutName->Data()),mypid,1);
 207                 }
 208                 //...simulated
 209                 if(pdgCode == fgPiPlusCode){
 210                   float myEt = Et(simPart);
 211                   FillHisto2D(Form("EtReconstructed%sPiPlus",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 212                   FillHisto2D(Form("EtReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 213                   FillHisto2D(Form("EtNReconstructed%sPiPlus",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 214                   FillHisto2D(Form("EtNReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 215                   FillHisto2D(Form("EtReconstructed%sChargedHadronAssumingPion",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 216                   filled = true;
 217                 }
 218                 if(pdgCode == fgPiMinusCode){
 219                   float myEt = Et(simPart);
 220                   FillHisto2D(Form("EtReconstructed%sPiMinus",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 221                   FillHisto2D(Form("EtReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 222                   FillHisto2D(Form("EtNReconstructed%sPiMinus",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 223                   FillHisto2D(Form("EtNReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 224                   FillHisto2D(Form("EtReconstructed%sChargedHadronAssumingPion",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 225                   filled = true;
 226                 }
 227                 if(pdgCode == fgKPlusCode){
 228                   float myEt = Et(simPart);
 229                   float myEtPi = Et(simPart,fgPionMass);
 230                   FillHisto2D(Form("EtReconstructed%sKPlus",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 231                   FillHisto2D(Form("EtReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 232                   FillHisto2D(Form("EtNReconstructed%sKPlus",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 233                   FillHisto2D(Form("EtNReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 234                   FillHisto2D(Form("EtReconstructed%sChargedHadronAssumingPion",cutName->Data()),simPart->Pt(),simPart->Eta(),myEtPi);
 235                   FillHisto2D(Form("EtReconstructed%sKPlusAssumingPion",cutName->Data()),simPart->Pt(),simPart->Eta(),myEtPi);
 236                   filled = true;
 237                 }
 238                 if(pdgCode == fgKMinusCode){
 239                   float myEt = Et(simPart);
 240                   float myEtPi = Et(simPart,fgPionMass);
 241                   FillHisto2D(Form("EtReconstructed%sKMinus",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 242                   FillHisto2D(Form("EtReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 243                   FillHisto2D(Form("EtNReconstructed%sKMinus",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 244                   FillHisto2D(Form("EtNReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 245                   FillHisto2D(Form("EtReconstructed%sChargedHadronAssumingPion",cutName->Data()),simPart->Pt(),simPart->Eta(),myEtPi);
 246                   FillHisto2D(Form("EtReconstructed%sKMinusAssumingPion",cutName->Data()),simPart->Pt(),simPart->Eta(),myEtPi);
 247                   filled = true;
 248                 }
 249                 if(pdgCode == fgProtonCode){
 250                   float myEt = Et(simPart);
 251                   float myEtPi = Et(simPart,fgPionMass);
 252                   FillHisto2D(Form("EtReconstructed%sProton",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 253                   FillHisto2D(Form("EtReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 254                   FillHisto2D(Form("EtNReconstructed%sProton",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 255                   FillHisto2D(Form("EtNReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 256                   FillHisto2D(Form("EtReconstructed%sChargedHadronAssumingPion",cutName->Data()),simPart->Pt(),simPart->Eta(),myEtPi);
 257                   FillHisto2D(Form("EtReconstructed%sProtonAssumingPion",cutName->Data()),simPart->Pt(),simPart->Eta(),myEtPi);
 258                   filled = true;
 259                 }
 260                 if(pdgCode == fgAntiProtonCode){
 261                   float myEt = Et(simPart);
 262                   float myEtPi = Et(simPart,fgPionMass);
 263                   FillHisto2D(Form("EtReconstructed%sAntiProton",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 264                   FillHisto2D(Form("EtReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 265                   FillHisto2D(Form("EtNReconstructed%sAntiProton",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 266                   FillHisto2D(Form("EtNReconstructed%sChargedHadron",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 267                   FillHisto2D(Form("EtReconstructed%sChargedHadronAssumingPion",cutName->Data()),simPart->Pt(),simPart->Eta(),myEtPi);
 268                   FillHisto2D(Form("EtReconstructed%sAntiProtonAssumingPion",cutName->Data()),simPart->Pt(),simPart->Eta(),myEtPi);
 269                   filled = true;
 270                 }
 271                 if(pdgCode == fgEPlusCode){
 272                   float myEt = Et(simPart);
 273                   FillHisto2D(Form("EtReconstructed%sEPlus",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 274                   if(!isElectron || unidentified){
 275                     float myEtPi = Et(simPart,fgPionMass);
 276                     FillHisto2D(Form("EtReconstructed%sMisidentifiedElectrons",cutName->Data()),track->Pt(),track->Eta(),myEtPi);
 277                   }
 278                   filled = true;
 279                 }
 280                 if(pdgCode == fgEMinusCode){
 281                   if(!isElectron || unidentified){
 282                     float myEtPi = Et(simPart,fgPionMass);
 283                     FillHisto2D(Form("EtReconstructed%sMisidentifiedElectrons",cutName->Data()),track->Pt(),track->Eta(),myEtPi);
 284                   }
 285                   float myEt = Et(simPart);
 286                     FillHisto2D(Form("EtReconstructed%sEMinus",cutName->Data()),simPart->Pt(),simPart->Eta(),myEt);
 287                     filled = true;
 288                 }
 289               }
 290
 291             }
 292             else{//not a primary - we're after V0 daughters!
 293               if (TMath::Abs(simPart->Eta()) < fCuts->GetCommonEtaCut()){
 294                 TParticle *mom = stack->Particle(simPart->GetFirstMother());
 295                 if(mom){
 296                   TParticlePDG *pc = mom->GetPDG(0);
 297                   if(pc){
 298                     Int_t pdgCode =  mom->GetPDG(0)->PdgCode();
 299                     if(pdgCode == fgLambdaCode){
 300                       float myEt = Et(simPart);
 301                       FillHisto2D(Form("EtReconstructed%sLambdaDaughters",cutName->Data()),track->Pt(),track->Eta(),myEt);
 302                     }
 303                     if(pdgCode == fgAntiLambdaCode){
 304                       float myEt = Et(simPart);
 305                       FillHisto2D(Form("EtReconstructed%sAntiLambdaDaughters",cutName->Data()),track->Pt(),track->Eta(),myEt);
 306                     }
 307                     if(pdgCode == fgK0SCode){
 308                       float myEt = Et(simPart);
 309                       FillHisto2D(Form("EtReconstructed%sK0SDaughters",cutName->Data()),track->Pt(),track->Eta(),myEt);
 310                     }
 311                     if(pdgCode == fgXiCode){
 312                       float myEt = Et(simPart);
 313                       FillHisto2D(Form("EtReconstructed%sXiDaughters",cutName->Data()),track->Pt(),track->Eta(),myEt);
 314                     }
 315                     if(pdgCode == fgAntiXiCode){
 316                       float myEt = Et(simPart);
 317                       FillHisto2D(Form("EtReconstructed%sAntiXiDaughters",cutName->Data()),track->Pt(),track->Eta(),myEt);
 318                     }
 319                     if(pdgCode == fgOmegaCode){
 320                       float myEt = Et(simPart);
 321                       FillHisto2D(Form("EtReconstructed%sOmegaDaughters",cutName->Data()),track->Pt(),track->Eta(),myEt);
 322                     }
 323                     if(pdgCode == fgXiCode){
 324                       float myEt = Et(simPart);
 325                       FillHisto2D(Form("EtReconstructed%sAntiOmegaDaughters",cutName->Data()),track->Pt(),track->Eta(),myEt);
 326                     }
 327
 328                     if(mom->GetFirstMother()>0){
 329                       TParticle *grandma = stack->Particle(mom->GetFirstMother());
 330                       if(grandma){
 331                         Int_t pdgCodeMom =  mom->GetPDG(0)->PdgCode();
 332                         if(pdgCodeMom==fgPiPlusCode || pdgCodeMom==fgPiMinusCode || pdgCodeMom==fgProtonCode ||pdgCodeMom==fgAntiProtonCode || pdgCodeMom==fgKPlusCode || pdgCode==fgKMinusCode){
 333                           Int_t pdgCodeGrandma =  grandma->GetPDG(0)->PdgCode();
 334
 335                           if(pdgCodeGrandma == fgXiCode){
 336                             float myEt = Et(simPart);
 337                             FillHisto2D(Form("EtReconstructed%sXiDaughters",cutName->Data()),track->Pt(),track->Eta(),myEt);
 338                           }
 339                           if(pdgCodeGrandma == fgAntiXiCode){
 340                             float myEt = Et(simPart);
 341                             FillHisto2D(Form("EtReconstructed%sAntiXiDaughters",cutName->Data()),track->Pt(),track->Eta(),myEt);
 342                           }
 343                           if(pdgCodeGrandma == fgOmegaCode){
 344                             float myEt = Et(simPart);
 345                             FillHisto2D(Form("EtReconstructed%sOmegaDaughters",cutName->Data()),track->Pt(),track->Eta(),myEt);
 346                           }
 347                           if(pdgCodeGrandma == fgXiCode){
 348                             float myEt = Et(simPart);
 349                             FillHisto2D(Form("EtReconstructed%sAntiOmegaDaughters",cutName->Data()),track->Pt(),track->Eta(),myEt);
 350                           }
 351
 352                         }
 353                       }
 354                     }
 355                   }
 356                 }
 357               }
 358             }
 359           }
 360
 361         }
 362       }
 363     delete list;
 364   }
 365   delete pID;
 366   delete strTPC;
 367   delete strITS;
 368   delete strTPCITS;
 369   //delete AliESDpid;
 370   return 1;
 371 }
 372 Int_t AliAnalysisHadEtMonteCarlo::AnalyseEvent(AliVEvent* ev)
 373 { // analyse MC event
 374      ResetEventValues();
 375
 376     // Get us an mc event
 377     AliMCEvent *mcEvent = dynamic_cast<AliMCEvent*>(ev);
 378
 379     // Let's play with the stack!
 380     AliStack *stack = mcEvent->Stack();
 381
 382     Int_t nPrim = stack->GetNtrack();
 383
 384     Float_t fSimPiKPEtPtSmeared = 0;
 385     Float_t fSimPiKPEtEfficiencySmeared = 0;
 386     Float_t fSimPiKPEtPtCutSmearedTPC = 0;
 387     Float_t fSimPiKPEtPtCutSmearedITS = 0;
 388     Float_t fSimPiKPEtPIDSmeared = 0;
 389     Float_t fSimPiKPEtPIDSmearedNoID = 0;
 390     //=================Tracks which may or may not have been reconstructed=================
 391
 392     for (Int_t iPart = 0; iPart < nPrim; iPart++)
 393     {
 394
 395         TParticle *part = stack->Particle(iPart);
 396
 397         if (!part)
 398           {
 399             Printf("ERROR: Could not get particle %d", iPart);
 400             continue;
 401           }
 402
 403         TParticlePDG *pc = part->GetPDG(0);
 404
 405         // Check if it is a primary particle
 406         if (stack->IsPhysicalPrimary(iPart)){//primaries
 407
 408           if (TMath::Abs(part->Eta()) < fCuts->GetCommonEtaCut())           {
 409
 410             Int_t pdgCode =  part->GetPDG(0)->PdgCode();
 411             bool filled = false;
 412             //Investigating smearing...
 413             //Numbers are realistic correction factors from previous studies
 414             if(fInvestigateSmearing){
 415               if(pdgCode==fgPiPlusCode ||pdgCode==fgPiMinusCode ||pdgCode==fgKPlusCode ||pdgCode==fgKMinusCode ||pdgCode==fgProtonCode ||pdgCode==fgAntiProtonCode){
 416                 //To investigate Smearing...
 417                 Float_t myet = Et(part);
 418                 fSimPiKPEt += myet;
 419                 Float_t theta = part->Theta();
 420                 Short_t charge = 1;
 421                 Float_t momentum = part->P();
 422                 //pt smearing
 423                 Float_t pSmeared = momentum *  fPtSmearer->Gaus(1,0.005);//Gaussian centered around 1
 424                 fSimPiKPEtPtSmeared += Et(pSmeared,theta,pdgCode,charge);
 425                 //Efficiency smearing
 426                 float efficiency = 2.26545*TMath::Exp(-TMath::Power(9.99977e-01/part->Pt(),7.85488e-02));//simple rough efficiency from fitting curve
 427                 if(fPtSmearer->Binomial(1,efficiency) ==1){
 428                   fSimPiKPEtEfficiencySmeared += (1.0/efficiency)*myet;
 429                 }
 430                 //pT cut smeared
 431                 if(part->Pt()>0.10){fSimPiKPEtPtCutSmearedITS +=1.00645645*myet;}
 432                 if(part->Pt()>0.15){fSimPiKPEtPtCutSmearedTPC +=1.02000723*myet;}
 433                 //PID smearing
 434                 fSimPiKPEtPIDSmearedNoID += 1.02679314*Et(momentum,theta,fgPiPlusCode,charge);
 435                 if(part->P()<1.0){//then the particle would have been ID'd
 436                   fSimPiKPEtPIDSmeared += 1.0085942*myet;
 437                 }
 438                 else{//Then it would have been assumed to be a pion
 439                   fSimPiKPEtPIDSmeared += 1.0085942*Et(momentum,theta,fgPiPlusCode,charge);
 440                 }
 441               }
 442             }
 443
 444             //============Charged hadrons===================================
 445             if(pdgCode == fgPiPlusCode){
 446               float myEt = Et(part);
 447
 448               fSimHadEt += myEt;
 449               fSimTotEt += myEt;
 450
 451               FillHisto2D("EtSimulatedPiPlus",part->Pt(),part->Eta(),myEt);
 452               FillHisto2D("EtNSimulatedPiPlus",part->Pt(),part->Eta(),1.0);
 453               FillHisto2D("EtSimulatedChargedHadron",part->Pt(),part->Eta(),myEt);
 454               FillHisto2D("EtNSimulatedChargedHadron",part->Pt(),part->Eta(),1.0);
 455               FillHisto2D("EtSimulatedChargedHadronAssumingPion",part->Pt(),part->Eta(),myEt);
 456               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 457               Short_t charge = 1;
 458               Float_t myEtLow = Et(0.0,part->Theta(),pdgCode,charge);
 459               Float_t myEtITS = Et(0.10/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 460               Float_t myEtTPC = Et(0.15/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 461               FillHisto2D("EtSimulatedChargedHadronAssumingNoPt",part->Pt(),part->Eta(),myEtLow);
 462               FillHisto2D("EtSimulatedChargedHadronAssumingPtTPCCut",part->Pt(),part->Eta(),myEtTPC);
 463               FillHisto2D("EtSimulatedChargedHadronAssumingPtITSCut",part->Pt(),part->Eta(),myEtITS);
 464               filled = true;
 465             }
 466             if(pdgCode == fgPiMinusCode){
 467               float myEt = Et(part);
 468               fSimHadEt += myEt;
 469               fSimTotEt += myEt;
 470               FillHisto2D("EtSimulatedPiMinus",part->Pt(),part->Eta(),myEt);
 471               FillHisto2D("EtNSimulatedPiMinus",part->Pt(),part->Eta(),1.0);
 472               FillHisto2D("EtSimulatedChargedHadron",part->Pt(),part->Eta(),myEt);
 473               FillHisto2D("EtNSimulatedChargedHadron",part->Pt(),part->Eta(),1.0);
 474               FillHisto2D("EtSimulatedChargedHadronAssumingPion",part->Pt(),part->Eta(),myEt);
 475               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 476               Short_t charge = -1;
 477               Float_t myEtLow = Et(0.0,part->Theta(),pdgCode,charge);
 478               Float_t myEtITS = Et(0.10/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 479               Float_t myEtTPC = Et(0.15/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 480               FillHisto2D("EtSimulatedChargedHadronAssumingNoPt",part->Pt(),part->Eta(),myEtLow);
 481               FillHisto2D("EtSimulatedChargedHadronAssumingPtTPCCut",part->Pt(),part->Eta(),myEtTPC);
 482               FillHisto2D("EtSimulatedChargedHadronAssumingPtITSCut",part->Pt(),part->Eta(),myEtITS);
 483               filled = true;
 484             }
 485             if(pdgCode == fgKPlusCode){
 486               float myEt = Et(part);
 487               float myEtPi = Et(part,fgPionMass);
 488               fSimHadEt += myEt;
 489               fSimTotEt += myEt;
 490               FillHisto2D("EtSimulatedKPlus",part->Pt(),part->Eta(),myEt);
 491               FillHisto2D("EtNSimulatedKPlus",part->Pt(),part->Eta(),1.0);
 492               FillHisto2D("EtSimulatedChargedHadron",part->Pt(),part->Eta(),myEt);
 493               FillHisto2D("EtNSimulatedChargedHadron",part->Pt(),part->Eta(),1.0);
 494               FillHisto2D("EtSimulatedChargedHadronAssumingPion",part->Pt(),part->Eta(),myEtPi);
 495               FillHisto2D("EtSimulatedKPlusAssumingPion",part->Pt(),part->Eta(),myEtPi);
 496               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 497               Short_t charge = 1;
 498               Float_t myEtLow = Et(0.0,part->Theta(),pdgCode,charge);
 499               Float_t myEtITS = Et(0.10/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 500               Float_t myEtTPC = Et(0.15/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 501               FillHisto2D("EtSimulatedChargedHadronAssumingNoPt",part->Pt(),part->Eta(),myEtLow);
 502               FillHisto2D("EtSimulatedChargedHadronAssumingPtTPCCut",part->Pt(),part->Eta(),myEtTPC);
 503               FillHisto2D("EtSimulatedChargedHadronAssumingPtITSCut",part->Pt(),part->Eta(),myEtITS);
 504               filled = true;
 505             }
 506             if(pdgCode == fgKMinusCode){
 507               float myEt = Et(part);
 508               float myEtPi = Et(part,fgPionMass);
 509               fSimHadEt += myEt;
 510               fSimTotEt += myEt;
 511               FillHisto2D("EtSimulatedKMinus",part->Pt(),part->Eta(),myEt);
 512               FillHisto2D("EtNSimulatedKMinus",part->Pt(),part->Eta(),1.0);
 513               FillHisto2D("EtSimulatedChargedHadron",part->Pt(),part->Eta(),myEt);
 514               FillHisto2D("EtNSimulatedChargedHadron",part->Pt(),part->Eta(),1.0);
 515               FillHisto2D("EtSimulatedChargedHadronAssumingPion",part->Pt(),part->Eta(),myEtPi);
 516               FillHisto2D("EtSimulatedKMinusAssumingPion",part->Pt(),part->Eta(),myEtPi);
 517               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 518               Short_t charge = -1;
 519               Float_t myEtLow = Et(0.0,part->Theta(),pdgCode,charge);
 520               Float_t myEtITS = Et(0.10/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 521               Float_t myEtTPC = Et(0.15/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 522               FillHisto2D("EtSimulatedChargedHadronAssumingNoPt",part->Pt(),part->Eta(),myEtLow);
 523               FillHisto2D("EtSimulatedChargedHadronAssumingPtTPCCut",part->Pt(),part->Eta(),myEtTPC);
 524               FillHisto2D("EtSimulatedChargedHadronAssumingPtITSCut",part->Pt(),part->Eta(),myEtITS);
 525               filled = true;
 526             }
 527             if(pdgCode == fgProtonCode){
 528               float myEt = Et(part);
 529               float myEtPi = Et(part,fgPionMass);
 530               fSimHadEt += myEt;
 531               fSimTotEt += myEt;
 532               FillHisto2D("EtSimulatedProton",part->Pt(),part->Eta(),myEt);
 533               FillHisto2D("EtNSimulatedProton",part->Pt(),part->Eta(),1.0);
 534               FillHisto2D("EtSimulatedChargedHadron",part->Pt(),part->Eta(),myEt);
 535               FillHisto2D("EtNSimulatedChargedHadron",part->Pt(),part->Eta(),1.0);
 536               FillHisto2D("EtSimulatedChargedHadronAssumingPion",part->Pt(),part->Eta(),myEtPi);
 537               FillHisto2D("EtSimulatedProtonAssumingPion",part->Pt(),part->Eta(),myEtPi);
 538               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 539               Short_t charge = 1;
 540               Float_t myEtLow = Et(0.0,part->Theta(),pdgCode,charge);
 541               Float_t myEtITS = Et(0.10/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 542               Float_t myEtTPC = Et(0.15/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 543               FillHisto2D("EtSimulatedChargedHadronAssumingNoPt",part->Pt(),part->Eta(),myEtLow);
 544               FillHisto2D("EtSimulatedChargedHadronAssumingPtTPCCut",part->Pt(),part->Eta(),myEtTPC);
 545               FillHisto2D("EtSimulatedChargedHadronAssumingPtITSCut",part->Pt(),part->Eta(),myEtITS);
 546               filled = true;
 547             }
 548             if(pdgCode == fgAntiProtonCode){
 549               float myEt = Et(part);
 550               float myEtPi = Et(part,fgPionMass);
 551               fSimHadEt += myEt;
 552               fSimTotEt += myEt;
 553               FillHisto2D("EtSimulatedAntiProton",part->Pt(),part->Eta(),myEt);
 554               FillHisto2D("EtNSimulatedAntiProton",part->Pt(),part->Eta(),1.0);
 555               FillHisto2D("EtSimulatedChargedHadron",part->Pt(),part->Eta(),myEt);
 556               FillHisto2D("EtNSimulatedChargedHadron",part->Pt(),part->Eta(),1.0);
 557               FillHisto2D("EtSimulatedChargedHadronAssumingPion",part->Pt(),part->Eta(),myEtPi);
 558               FillHisto2D("EtSimulatedAntiProtonAssumingPion",part->Pt(),part->Eta(),myEtPi);
 559               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 560               Short_t charge = -1;
 561               Float_t myEtLow = Et(0.0,part->Theta(),pdgCode,charge);
 562               Float_t myEtITS = Et(0.10/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 563               Float_t myEtTPC = Et(0.15/TMath::Sin(part->Theta()),part->Theta(),pdgCode,charge);
 564               FillHisto2D("EtSimulatedChargedHadronAssumingNoPt",part->Pt(),part->Eta(),myEtLow);
 565               FillHisto2D("EtSimulatedChargedHadronAssumingPtTPCCut",part->Pt(),part->Eta(),myEtTPC);
 566               FillHisto2D("EtSimulatedChargedHadronAssumingPtITSCut",part->Pt(),part->Eta(),myEtITS);
 567               filled = true;
 568             }
 569             //============Other hadrons===================================
 570
 571             if(pdgCode == fgNeutronCode){
 572               float myEt = Et(part);
 573               fSimHadEt += myEt;
 574               fSimTotEt += myEt;
 575               FillHisto2D("EtSimulatedNeutron",part->Pt(),part->Eta(),myEt);
 576               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 577               filled = true;
 578             }
 579             if(pdgCode == fgAntiNeutronCode){
 580               float myEt = Et(part);
 581               fSimHadEt += myEt;
 582               fSimTotEt += myEt;
 583               FillHisto2D("EtSimulatedAntiNeutron",part->Pt(),part->Eta(),myEt);
 584               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 585               filled = true;
 586             }
 587             if(pdgCode == fgLambdaCode){
 588               float myEt = Et(part);
 589               fSimHadEt += myEt;
 590               fSimTotEt += myEt;
 591               //cout<<"I am a simulated lambda! pt "<<part->Pt()<<" eta "<<part->Eta()<<endl;
 592               FillHisto2D("EtSimulatedLambda",part->Pt(),part->Eta(),myEt);
 593               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 594               Int_t ndaughters = part->GetNDaughters();
 595               for(Int_t idaughter = 0;idaughter<ndaughters;idaughter++){
 596                 Int_t daughterindex = part->GetDaughter(idaughter);
 597                 if(daughterindex<0 || daughterindex>1e5) continue;
 598                 TParticle *daughter = stack->ParticleFromTreeK(daughterindex);
 599                 if(daughter){
 600                   if(daughter->GetPDG(0)){
 601                     Int_t daughtercode = daughter->GetPDG(0)->PdgCode();
 602                     if(daughtercode==fgPiMinusCode || daughtercode==fgProtonCode){
 603                       myEt = Et(daughter);
 604                       FillHisto2D("EtSimulatedLambdaDaughters",daughter->Pt(),daughter->Eta(),myEt);
 605                       //cout<<"Lambda daughter is a "<<daughter->GetName()<<endl;
 606                     }
 607                   }
 608                   else{
 609                     //cout<<"Lambda daughter is a "<<daughter->GetName()<<endl;
 610                   }
 611                 }
 612               }
 613               filled = true;
 614             }
 615             if(pdgCode == fgAntiLambdaCode){
 616               float myEt = Et(part);
 617               fSimHadEt += myEt;
 618               fSimTotEt += myEt;
 619               FillHisto2D("EtSimulatedAntiLambda",part->Pt(),part->Eta(),myEt);
 620               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 621               Int_t ndaughters = part->GetNDaughters();
 622               for(Int_t idaughter = 0;idaughter<ndaughters;idaughter++){
 623                 Int_t daughterindex = part->GetDaughter(idaughter);
 624                 if(daughterindex<0 || daughterindex>1e5) continue;
 625                 TParticle *daughter = stack->ParticleFromTreeK(daughterindex);
 626                 if(daughter){
 627                   if(daughter->GetPDG(0)){
 628                     Int_t daughtercode = daughter->GetPDG(0)->PdgCode();
 629                     if(daughtercode==fgPiPlusCode || daughtercode==fgAntiProtonCode){
 630                       myEt = Et(daughter);
 631                       FillHisto2D("EtSimulatedAntiLambdaDaughters",daughter->Pt(),daughter->Eta(),myEt);
 632                       //cout<<"AntiLambda daughter is a "<<daughter->GetName()<<endl;
 633                     }
 634                   }
 635                   else{
 636                     //cout<<"AntiLambda daughter is a "<<daughter->GetName()<<endl;
 637                   }
 638                 }
 639               }
 640               filled = true;
 641             }
 642             if(pdgCode == fgK0SCode){
 643               float myEt = Et(part);
 644               fSimHadEt += myEt;
 645               fSimTotEt += myEt;
 646               FillHisto2D("EtSimulatedK0S",part->Pt(),part->Eta(),myEt);
 647               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 648               Int_t ndaughters = part->GetNDaughters();
 649               for(Int_t idaughter = 0;idaughter<ndaughters;idaughter++){
 650                 Int_t daughterindex = part->GetDaughter(idaughter);
 651                 if(daughterindex<0 || daughterindex>1e5) continue;
 652                 TParticle *daughter = stack->ParticleFromTreeK(daughterindex);
 653                 if(daughter){
 654                   if(daughter->GetPDG(0)){
 655
 656                     Int_t daughtercode = daughter->GetPDG(0)->PdgCode();
 657                     if(daughtercode==fgPiMinusCode || daughtercode==fgPiPlusCode){
 658                       myEt = Et(daughter);
 659                       FillHisto2D("EtSimulatedK0SDaughters",daughter->Pt(),daughter->Eta(),myEt);
 660                       //cout<<"K0S daughter is a "<<daughter->GetName()<<endl;
 661                     }
 662                   }
 663                   else{
 664                     //cout<<"K0S daughter is a "<<daughter->GetName()<<endl;
 665                   }
 666                 }
 667               }
 668               filled = true;
 669             }
 670             if(pdgCode == fgK0LCode){
 671               float myEt = Et(part);
 672               fSimHadEt += myEt;
 673               fSimTotEt += myEt;
 674               FillHisto2D("EtSimulatedK0L",part->Pt(),part->Eta(),myEt);
 675               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 676               filled = true;
 677             }
 678             if(pdgCode == fgOmegaCode){
 679               float myEt = Et(part);
 680               fSimHadEt += myEt;
 681               fSimTotEt += myEt;
 682               FillHisto2D("EtSimulatedOmega",part->Pt(),part->Eta(),myEt);
 683               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 684               Int_t ndaughters = part->GetNDaughters();
 685               for(Int_t idaughter = 0;idaughter<ndaughters;idaughter++){
 686                 Int_t daughterindex = part->GetDaughter(idaughter);
 687                 if(daughterindex<0 || daughterindex>1e5) continue;
 688                 TParticle *daughter = stack->Particle(daughterindex);
 689                 if(daughter){
 690                   if(daughter->GetPDG(0)){
 691
 692                     Int_t daughtercode = daughter->GetPDG(0)->PdgCode();
 693                     if(daughtercode==fgPiPlusCode || daughtercode==fgProtonCode || daughtercode==fgKMinusCode){
 694                       myEt = Et(daughter);
 695                       FillHisto2D("EtSimulatedOmegaDaughters",daughter->Pt(),daughter->Eta(),myEt);
 696                     //cout<<"Omega daughter is a "<<daughter->GetName()<<endl;
 697                     }
 698                   }
 699                   else{
 700                     //cout<<"Omega daughter is a "<<daughter->GetName()<<endl;
 701                   }
 702                 }
 703               }
 704               filled = true;
 705             }
 706             if(pdgCode == fgAntiOmegaCode){
 707               float myEt = Et(part);
 708               fSimHadEt += myEt;
 709               fSimTotEt += myEt;
 710               FillHisto2D("EtSimulatedOmega",part->Pt(),part->Eta(),myEt);
 711               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 712               Int_t ndaughters = part->GetNDaughters();
 713               for(Int_t idaughter = 0;idaughter<ndaughters;idaughter++){
 714                 Int_t daughterindex = part->GetDaughter(idaughter);
 715                 if(daughterindex<0 || daughterindex>1e5) continue;
 716                 TParticle *daughter = stack->ParticleFromTreeK(daughterindex);
 717                 if(daughter){
 718                   if(daughter->GetPDG(0)){
 719                     Int_t daughtercode = daughter->GetPDG(0)->PdgCode();
 720                     if(daughtercode==fgPiMinusCode || daughtercode==fgAntiProtonCode || daughtercode==fgKPlusCode){
 721                       myEt = Et(daughter);
 722                       FillHisto2D("EtSimulatedAntiOmegaDaughters",daughter->Pt(),daughter->Eta(),myEt);
 723                       //cout<<"AntiOmega daughter is a "<<daughter->GetName()<<endl;
 724                     }
 725                   }
 726                   else{
 727                     //cout<<"AntiOmega daughter is a "<<daughter->GetName()<<endl;
 728                   }
 729                 }
 730               }
 731               filled = true;
 732             }
 733             //There are two codes for Sigmas
 734             if(pdgCode == fgSigmaCode || pdgCode == -3222){
 735               float myEt = Et(part);
 736               fSimHadEt += myEt;
 737               fSimTotEt += myEt;
 738               FillHisto2D("EtSimulatedSigma",part->Pt(),part->Eta(),myEt);
 739               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 740               filled = true;
 741             }
 742             if(pdgCode == fgAntiSigmaCode || pdgCode == 3222){
 743               float myEt = Et(part);
 744               fSimHadEt += myEt;
 745               fSimTotEt += myEt;
 746               FillHisto2D("EtSimulatedAntiSigma",part->Pt(),part->Eta(),myEt);
 747               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 748               filled = true;
 749             }
 750             if(pdgCode == fgXiCode){
 751               float myEt = Et(part);
 752               fSimHadEt += myEt;
 753               fSimTotEt += myEt;
 754               FillHisto2D("EtSimulatedXi",part->Pt(),part->Eta(),myEt);
 755               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 756               Int_t ndaughters = part->GetNDaughters();
 757               for(Int_t idaughter = 0;idaughter<ndaughters;idaughter++){
 758                 Int_t daughterindex = part->GetDaughter(idaughter);
 759                 if(daughterindex<0 || daughterindex>1e5 || daughterindex>1e5) continue;
 760                 //cerr<<"Daughter index "<<daughterindex<<" npart "<<nPrim<<endl;
 761                 TParticle *daughter = stack->ParticleFromTreeK(daughterindex);
 762                 if(daughter){
 763                   if(daughter->GetPDG(0)){
 764
 765                     Int_t daughtercode = daughter->GetPDG(0)->PdgCode();
 766                     if(daughtercode==fgPiPlusCode || daughtercode==fgProtonCode || daughtercode==fgPiMinusCode){
 767                       myEt = Et(daughter);
 768                       FillHisto2D("EtSimulatedXiDaughters",daughter->Pt(),daughter->Eta(),myEt);
 769                     //cout<<"Xi daughter is a "<<daughter->GetName()<<endl;
 770                     }
 771                   }
 772                   else{
 773                     //cout<<"Xi daughter is a "<<daughter->GetName()<<endl;
 774                   }
 775                 }
 776               }
 777               filled = true;
 778             }
 779             if(pdgCode == fgAntiXiCode){
 780               float myEt = Et(part);
 781               fSimHadEt += myEt;
 782               fSimTotEt += myEt;
 783               FillHisto2D("EtSimulatedAntiXi",part->Pt(),part->Eta(),myEt);
 784               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 785               Int_t ndaughters = part->GetNDaughters();
 786               for(Int_t idaughter = 0;idaughter<ndaughters;idaughter++){
 787                 Int_t daughterindex = part->GetDaughter(idaughter);
 788                 if(daughterindex<0 || daughterindex>1e5) continue;
 789                 TParticle *daughter = stack->ParticleFromTreeK(daughterindex);
 790                 if(daughter){
 791                   if(daughter->GetPDG(0)){
 792                     Int_t daughtercode = daughter->GetPDG(0)->PdgCode();
 793                     if(daughtercode==fgPiPlusCode || daughtercode==fgAntiProtonCode || daughtercode==fgPiMinusCode){
 794                       myEt = Et(daughter);
 795                       FillHisto2D("EtSimulatedAntiXiDaughters",daughter->Pt(),daughter->Eta(),myEt);
 796                       //cout<<"AntiXi daughter is a "<<daughter->GetName()<<endl;
 797                     }
 798                   }
 799                   else{
 800                     //cout<<"AntiXi daughter is a "<<daughter->GetName()<<endl;
 801                   }
 802                 }
 803               }
 804               filled = true;
 805             }
 806             if(pdgCode == fgXi0Code){
 807               float myEt = Et(part);
 808               fSimHadEt += myEt;
 809               fSimTotEt += myEt;
 810               FillHisto2D("EtSimulatedXi0",part->Pt(),part->Eta(),myEt);
 811               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 812               filled = true;
 813             }
 814             if(pdgCode == fgAntiXi0Code){
 815               float myEt = Et(part);
 816               fSimHadEt += myEt;
 817               fSimTotEt += myEt;
 818               FillHisto2D("EtSimulatedAntiXi0",part->Pt(),part->Eta(),myEt);
 819               FillHisto2D("EtSimulatedAllHadron",part->Pt(),part->Eta(),myEt);
 820               filled = true;
 821             }
 822             //============electrons===================================
 823
 824             if(pdgCode == fgEPlusCode){
 825               float myEt = Et(part);
 826               fSimTotEt += myEt;
 827               FillHisto2D("EtSimulatedEPlus",part->Pt(),part->Eta(),myEt);
 828               filled = true;
 829             }
 830             if(pdgCode == fgEMinusCode){
 831               float myEt = Et(part);
 832               fSimTotEt += myEt;
 833               FillHisto2D("EtSimulatedEMinus",part->Pt(),part->Eta(),myEt);
 834               filled = true;
 835             }
 836             //============neutrals===================================
 837             if(pdgCode == fgGammaCode){
 838               TParticle *mom = stack->Particle(part->GetFirstMother());
 839               Int_t pdgCodeMom =  mom->GetPDG(0)->PdgCode();
 840               //cout<<"I am a gamma and my mom is "<<mom->GetName()<<endl;
 841               //We want to separate the gammas by pi0, eta, omega0 but we don't want to double count energy so we get the et from the gamma daughter
 842               if(pdgCodeMom == fgEtaCode){
 843                 float myEt = Et(part);
 844                 fSimTotEt += myEt;
 845                 FillHisto2D("EtSimulatedEta",mom->Pt(),mom->Eta(),myEt);
 846                 filled = true;
 847               }
 848               if(pdgCodeMom == fgPi0Code){
 849                 float myEt = Et(part);
 850                 fSimTotEt += myEt;
 851                 FillHisto2D("EtSimulatedPi0",mom->Pt(),mom->Eta(),myEt);
 852                 filled = true;
 853               }
 854               if(pdgCodeMom == fgOmega0Code){
 855                 float myEt = Et(part);
 856                 fSimTotEt += myEt;
 857                 FillHisto2D("EtSimulatedOmega0",mom->Pt(),mom->Eta(),myEt);
 858                 filled = true;
 859               }
 860               if(!filled){
 861                 float myEt = Et(part);
 862                 fSimTotEt += myEt;
 863                 FillHisto2D("EtSimulatedGamma",part->Pt(),part->Eta(),myEt);
 864                 filled = true;
 865               }
 866             }
 867             if(pdgCode == fgEtaCode){
 868               float myEt = Et(part);
 869               fSimTotEt += myEt;
 870               FillHisto2D("EtSimulatedEta",part->Pt(),part->Eta(),myEt);
 871               filled = true;
 872             }
 873             if(pdgCode == fgPi0Code){
 874               float myEt = Et(part);
 875               fSimTotEt += myEt;
 876               FillHisto2D("EtSimulatedPi0",part->Pt(),part->Eta(),myEt);
 877               filled = true;
 878             }
 879             if(pdgCode == fgOmega0Code){
 880               float myEt = Et(part);
 881               fSimTotEt += myEt;
 882               FillHisto2D("EtSimulatedOmega0",part->Pt(),part->Eta(),myEt);
 883               filled = true;
 884             }
 885             if(!filled){
 886               //if( strcmp(pc->ParticleClass(),"Baryon")==0 || strcmp(pc->ParticleClass(),"Meson")==0 ){
 887                 cout<<"Did not find a place for "<<part->GetName()<<" "<<pdgCode<<" which is a "<<pc->ParticleClass()<<endl;
 888                 //}
 889             }
 890           }
 891         }
 892     }
 893
 894     if(fSimTotEt>0.0)FillHisto1D("SimTotEt",fSimTotEt,1.0);
 895     if(fSimHadEt>0.0)FillHisto1D("SimHadEt",fSimHadEt,1.0);
 896     if(fSimPiKPEt>0.0)FillHisto1D("SimPiKPEt",fSimPiKPEt,1.0);
 897
 898     if(fInvestigateSmearing){
 899       //Smearing histograms
 900       if(fSimPiKPEt>0.0) FillHisto2D("SimPiKPEtMinusSimPtSmeared",fSimPiKPEt,(fSimPiKPEt-fSimPiKPEtPtSmeared)/fSimPiKPEt,1.0);
 901       FillHisto1D("SimPiKPEtPtSmeared",fSimPiKPEtPtSmeared,1.0);
 902       if(fSimPiKPEt>0.0) FillHisto2D("SimPiKPEtMinusSimEfficiencySmeared",fSimPiKPEt,(fSimPiKPEt-fSimPiKPEtEfficiencySmeared)/fSimPiKPEt,1.0);
 903       FillHisto1D("SimPiKPEtEfficiencySmeared",fSimPiKPEtEfficiencySmeared,1.0);
 904       if(fSimPiKPEt>0.0) FillHisto2D("SimPiKPEtMinusSimPtCutSmearedTPC",fSimPiKPEt,(fSimPiKPEt-fSimPiKPEtPtCutSmearedTPC)/fSimPiKPEt,1.0);
 905       FillHisto1D("SimPiKPEtPtCutSmearedTPC",fSimPiKPEtPtCutSmearedTPC,1.0);
 906       if(fSimPiKPEt>0.0) FillHisto2D("SimPiKPEtMinusSimPtCutSmearedITS",fSimPiKPEt,(fSimPiKPEt-fSimPiKPEtPtCutSmearedITS)/fSimPiKPEt,1.0);
 907       FillHisto1D("SimPiKPEtPtCutSmearedITS",fSimPiKPEtPtCutSmearedTPC,1.0);
 908       if(fSimPiKPEt>0.0) FillHisto2D("SimPiKPEtMinusSimPIDSmeared",fSimPiKPEt,(fSimPiKPEt-fSimPiKPEtPIDSmeared)/fSimPiKPEt,1.0);
 909       FillHisto1D("SimPiKPEtPIDSmeared",fSimPiKPEtPIDSmeared,1.0);
 910       if(fSimPiKPEt>0.0) FillHisto2D("SimPiKPEtMinusSimPIDSmearedNoID",fSimPiKPEt,(fSimPiKPEt-fSimPiKPEtPIDSmearedNoID)/fSimPiKPEt,1.0);
 911       FillHisto1D("SimPiKPEtPIDSmearedNoID",fSimPiKPEtPIDSmearedNoID,1.0);
 912     }
 913     return 1;
 914
 915 }
 916
 917 void AliAnalysisHadEtMonteCarlo::Init()
 918 { // Init
 919     AliAnalysisHadEt::Init();
 920     if(!fPtSmearer) fPtSmearer = new TRandom();
 921 }
 922
 923 void AliAnalysisHadEtMonteCarlo::CreateHistograms(){
 924   //for simulated Et only (no reconstruction)
 925   CreateEtaPtHisto2D(TString("EtSimulatedPiPlus"),TString("Simulated E_{T} from #pi^{+}"));
 926   CreateEtaPtHisto2D("EtSimulatedPiMinus","Simulated E_{T} from #pi^{-}");
 927   CreateEtaPtHisto2D("EtSimulatedKPlus","Simulated E_{T} from K^{+}");
 928   CreateEtaPtHisto2D("EtSimulatedKMinus","Simulated E_{T} from K^{-}");
 929   CreateEtaPtHisto2D("EtSimulatedProton","Simulated E_{T} from p");
 930   CreateEtaPtHisto2D("EtSimulatedAntiProton","Simulated E_{T} from #bar{p}");
 931   CreateEtaPtHisto2D("EtSimulatedChargedHadron","Simulated E_{T} from charged hadrons");
 932   CreateEtaPtHisto2D(TString("EtNSimulatedPiPlus"),TString("Number of Simulated #pi^{+}"));
 933   CreateEtaPtHisto2D("EtNSimulatedPiMinus","Number of simulated #pi^{-}");
 934   CreateEtaPtHisto2D("EtNSimulatedKPlus","Number of simulated K^{+}");
 935   CreateEtaPtHisto2D("EtNSimulatedKMinus","Number of simulated K^{-}");
 936   CreateEtaPtHisto2D("EtNSimulatedProton","Number of simulated p");
 937   CreateEtaPtHisto2D("EtNSimulatedAntiProton","Number of simulated #bar{p}");
 938   CreateEtaPtHisto2D("EtNSimulatedChargedHadron","Number of simulated charged hadrons");
 939   CreateEtaPtHisto2D("EtSimulatedChargedHadronAssumingNoPt","Simulated E_{T} from charged hadrons assuming p_{T}=0");
 940   CreateEtaPtHisto2D("EtSimulatedChargedHadronAssumingPtTPCCut","Simulated E_{T} from charged hadrons assuming p_{T}=0.15");
 941   CreateEtaPtHisto2D("EtSimulatedChargedHadronAssumingPtITSCut","Simulated E_{T} from charged hadrons assuming p_{T}=0.10");
 942
 943   CreateEtaPtHisto2D("EtSimulatedChargedHadronAssumingPion","Simulated E_{T} from charged hadrons assuming they are all pions");
 944   CreateEtaPtHisto2D("EtSimulatedKPlusAssumingPion","Simulated E_{T} from K^{+} assuming #pi mass");
 945   CreateEtaPtHisto2D("EtSimulatedKMinusAssumingPion","Simulated E_{T} from K^{-} assuming #pi mass");
 946   CreateEtaPtHisto2D("EtSimulatedProtonAssumingPion","Simulated E_{T} from p assuming #pi mass");
 947   CreateEtaPtHisto2D("EtSimulatedAntiProtonAssumingPion","Simulated E_{T} from #bar{p} assuming #pi mass");
 948
 949   CreateEtaPtHisto2D("EtSimulatedLambda","Simulated E_{T} from #Lambda");
 950   CreateEtaPtHisto2D("EtSimulatedAntiLambda","Simulated E_{T} from #bar{#Lambda}");
 951   CreateEtaPtHisto2D("EtSimulatedK0S","Simulated E_{T} from K^{0}_{S}");
 952   CreateEtaPtHisto2D("EtSimulatedK0L","Simulated E_{T} from K^{0}_{L}");
 953   CreateEtaPtHisto2D("EtSimulatedNeutron","Simulated E_{T} from neutrons");
 954   CreateEtaPtHisto2D("EtSimulatedAntiNeutron","Simulated E_{T} from #bar{n}");
 955   CreateEtaPtHisto2D("EtSimulatedEPlus","Simulated E_{T} from e^{+}");
 956   CreateEtaPtHisto2D("EtSimulatedEMinus","Simulated E_{T} from e^{-}");
 957   CreateEtaPtHisto2D("EtSimulatedOmega","Simulated E_{T} from #Omega^{-}");
 958   CreateEtaPtHisto2D("EtSimulatedAntiOmega","Simulated E_{T} from #Omega^{+}");
 959   CreateEtaPtHisto2D("EtSimulatedXi","Simulated E_{T} from #Xi^{-}");
 960   CreateEtaPtHisto2D("EtSimulatedAntiXi","Simulated E_{T} from #Xi^{+}");
 961   CreateEtaPtHisto2D("EtSimulatedSigma","Simulated E_{T} from #Xi^{-}");
 962   CreateEtaPtHisto2D("EtSimulatedAntiSigma","Simulated E_{T} from #Xi^{+}");
 963   CreateEtaPtHisto2D("EtSimulatedXi0","Simulated E_{T} from #Xi^{0}");
 964   CreateEtaPtHisto2D("EtSimulatedAntiXi0","Simulated E_{T} from #Xi^{0}");
 965   CreateEtaPtHisto2D("EtSimulatedAllHadron","Simulated E_{T} from all hadrons");
 966
 967
 968   CreateEtaPtHisto2D("EtSimulatedLambdaDaughters","Simulated E_{T} from #Lambda Daughters");
 969   CreateEtaPtHisto2D("EtSimulatedAntiLambdaDaughters","Simulated E_{T} from #bar{#Lambda} Daughters");
 970   CreateEtaPtHisto2D("EtSimulatedK0SDaughters","Simulated E_{T} from K^{0}_{S} Daughters");
 971   CreateEtaPtHisto2D("EtSimulatedOmegaDaughters","Simulated E_{T} from #Omega^{-} Daughters");
 972   CreateEtaPtHisto2D("EtSimulatedAntiOmegaDaughters","Simulated E_{T} from #Omega^{+} Daughters");
 973   CreateEtaPtHisto2D("EtSimulatedXiDaughters","Simulated E_{T} from #Xi^{-} Daughters");
 974   CreateEtaPtHisto2D("EtSimulatedAntiXiDaughters","Simulated E_{T} from #Xi^{+} Daughters");
 975
 976
 977   CreateEtaPtHisto2D("EtSimulatedGamma","Simulated E_{T} from #gamma");
 978   CreateEtaPtHisto2D("EtSimulatedEta","Simulated E_{T} from #eta");
 979   CreateEtaPtHisto2D("EtSimulatedPi0","Simulated E_{T} from #pi^{0}");
 980   CreateEtaPtHisto2D("EtSimulatedOmega0","Simulated E_{T} from #omega");
 981
 982   TString *strTPC = new TString("TPC");
 983   TString *strITS = new TString("ITS");
 984   TString *strTPCITS = new TString("TPCITS");
 985   Int_t lastcutset = 1;
 986   if(fRequireITSHits) lastcutset = 2;
 987   for(Int_t i=0;i<=lastcutset;i++){
 988     TString *cutName;
 989     Float_t maxPtdEdx = 10;
 990     Float_t mindEdx = 35;
 991     Float_t maxdEdx = 150.0;
 992     switch(i){
 993     case 0:
 994       cutName = strTPC;
 995       break;
 996     case 1:
 997       cutName = strITS;
 998       maxPtdEdx = 5;
 999       maxdEdx = 500.0;
1000       break;
1001     case 2:
1002       cutName = strTPCITS;
1003       break;
1004     default:
1005       cerr<<"Error:  cannot make histograms!"<<endl;
1006       return;
1007     }
1008
1009     CreateEtaPtHisto2D(Form("EtReconstructed%sIdentifiedPiPlus",cutName->Data()),"Reconstructed E_{T} from identified #pi^{+}");
1010     CreateEtaPtHisto2D(Form("EtReconstructed%sIdentifiedPiMinus",cutName->Data()),"Reconstructed E_{T} from identified #pi^{-}");
1011     CreateEtaPtHisto2D(Form("EtReconstructed%sIdentifiedKPlus",cutName->Data()),"Reconstructed E_{T} from identified K^{+}");
1012     CreateEtaPtHisto2D(Form("EtReconstructed%sIdentifiedEMinus",cutName->Data()),"Reconstructed E_{T} from identified e^{-}");
1013     CreateEtaPtHisto2D(Form("EtReconstructed%sIdentifiedEPlus",cutName->Data()),"Reconstructed E_{T} from identified e^{+}");
1014     CreateEtaPtHisto2D(Form("EtReconstructed%sIdentifiedKMinus",cutName->Data()),"Reconstructed E_{T} from identified K^{-}");
1015     CreateEtaPtHisto2D(Form("EtReconstructed%sIdentifiedProton",cutName->Data()),"Reconstructed E_{T} from identified p");
1016     CreateEtaPtHisto2D(Form("EtReconstructed%sIdentifiedAntiProton",cutName->Data()),"Reconstructed E_{T} from identified #bar{p}");
1017     CreateEtaPtHisto2D(Form("EtNReconstructed%sUnidentified",cutName->Data()),"Number of Reconstructed unidentified particles");
1018     CreateEtaPtHisto2D(Form("EtReconstructed%sUnidentifiedAssumingPion",cutName->Data()),"Reconstructed E_{T} from unidentified particles assuming pion mass");
1019     CreateEtaPtHisto2D(Form("EtReconstructed%sUnidentified",cutName->Data()),"Reconstructed E_{T} from unidentified particles using real mass");
1020     CreateEtaPtHisto2D(Form("EtReconstructed%sMisidentifiedElectrons",cutName->Data()),"Reconstructed E_{T} from misidentified electrons");
1021
1022
1023     CreateEtaPtHisto2D(Form("EtReconstructed%sPiPlus",cutName->Data()),"Reconstructed E_{T} from #pi^{+}");
1024     CreateEtaPtHisto2D(Form("EtReconstructed%sPiMinus",cutName->Data()),"Reconstructed E_{T} from #pi^{-}");
1025     CreateEtaPtHisto2D(Form("EtReconstructed%sKPlus",cutName->Data()),"Reconstructed E_{T} from K^{+}");
1026     CreateEtaPtHisto2D(Form("EtReconstructed%sKMinus",cutName->Data()),"Reconstructed E_{T} from K^{-}");
1027     CreateEtaPtHisto2D(Form("EtReconstructed%sProton",cutName->Data()),"Reconstructed E_{T} from p");
1028     CreateEtaPtHisto2D(Form("EtReconstructed%sAntiProton",cutName->Data()),"Reconstructed E_{T} from #bar{p}");
1029     CreateEtaPtHisto2D(Form("EtReconstructed%sChargedHadron",cutName->Data()),"Reconstructed E_{T} from charged hadrons");
1030     CreateEtaPtHisto2D(Form("EtNReconstructed%sPiPlus",cutName->Data()),"Reconstructed E_{T} from #pi^{+}");
1031     CreateEtaPtHisto2D(Form("EtNReconstructed%sPiMinus",cutName->Data()),"Reconstructed E_{T} from #pi^{-}");
1032     CreateEtaPtHisto2D(Form("EtNReconstructed%sKPlus",cutName->Data()),"Reconstructed E_{T} from K^{+}");
1033     CreateEtaPtHisto2D(Form("EtNReconstructed%sKMinus",cutName->Data()),"Reconstructed E_{T} from K^{-}");
1034     CreateEtaPtHisto2D(Form("EtNReconstructed%sProton",cutName->Data()),"Reconstructed E_{T} from p");
1035     CreateEtaPtHisto2D(Form("EtNReconstructed%sAntiProton",cutName->Data()),"Reconstructed E_{T} from #bar{p}");
1036     CreateEtaPtHisto2D(Form("EtNReconstructed%sChargedHadron",cutName->Data()),"Reconstructed E_{T} from charged hadrons");
1037
1038     CreateEtaPtHisto2D(Form("EtReconstructed%sChargedHadronAssumingPion",cutName->Data()),"Reconstructed E_{T} from charged hadrons assuming they are all pions");
1039     CreateEtaPtHisto2D(Form("EtReconstructed%sKPlusAssumingPion",cutName->Data()),"Reconstructed E_{T} from K^{+} assuming #pi mass");
1040     CreateEtaPtHisto2D(Form("EtReconstructed%sKMinusAssumingPion",cutName->Data()),"Reconstructed E_{T} from K^{-} assuming #pi mass");
1041     CreateEtaPtHisto2D(Form("EtReconstructed%sProtonAssumingPion",cutName->Data()),"Reconstructed E_{T} from p assuming #pi mass");
1042     CreateEtaPtHisto2D(Form("EtReconstructed%sAntiProtonAssumingPion",cutName->Data()),"Reconstructed E_{T} from #bar{p} assuming #pi mass");
1043
1044     CreateEtaPtHisto2D(Form("EtReconstructed%sEPlus",cutName->Data()),"Reconstructed E_{T} from e^{+}");
1045     CreateEtaPtHisto2D(Form("EtReconstructed%sEMinus",cutName->Data()),"Reconstructed E_{T} from e^{-}");
1046
1047
1048
1049     CreateEtaPtHisto2D(Form("EtReconstructed%sLambdaDaughters",cutName->Data()),"Reconstructed E_{T} from #Lambda Daughters");
1050   CreateEtaPtHisto2D(Form("EtReconstructed%sAntiLambdaDaughters",cutName->Data()),"Reconstructed E_{T} from #bar{#Lambda} Daughters");
1051   CreateEtaPtHisto2D(Form("EtReconstructed%sK0SDaughters",cutName->Data()),"Reconstructed E_{T} from K^{0}_{S} Daughters");
1052   CreateEtaPtHisto2D(Form("EtReconstructed%sOmegaDaughters",cutName->Data()),"Reconstructed E_{T} from #Omega^{-} Daughters");
1053   CreateEtaPtHisto2D(Form("EtReconstructed%sAntiOmegaDaughters",cutName->Data()),"Reconstructed E_{T} from #Omega^{+} Daughters");
1054   CreateEtaPtHisto2D(Form("EtReconstructed%sXiDaughters",cutName->Data()),"Reconstructed E_{T} from #Xi^{-} Daughters");
1055   CreateEtaPtHisto2D(Form("EtReconstructed%sAntiXiDaughters",cutName->Data()),"Reconstructed E_{T} from #Xi^{+} Daughters");
1056
1057     CreateIntHisto1D(Form("UnidentifiedPIDs%s",cutName->Data()),"PIDs of unidentified particles", "PID", "Number of particles",9, -4,4);
1058     CreateHisto2D(Form("MisidentifiedPIDs%s",cutName->Data()),"PIDs of misidentified particles", "PID real","PID identified",5, -.5,4.5,5, -.5,4.5);
1059     CreateHisto2D(Form("dEdxAll%s",cutName->Data()),"dE/dx for all particles","momentum (GeV/c)","dE/dx",400,0.0,maxPtdEdx,200,mindEdx,maxdEdx);
1060     CreateHisto2D(Form("dEdxPion%s",cutName->Data()),"dE/dx for #pi^{#pm}","momentum (GeV/c)","dE/dx",400,0.0,maxPtdEdx,200,mindEdx,maxdEdx);
1061     CreateHisto2D(Form("dEdxKaon%s",cutName->Data()),"dE/dx for K^{#pm}","momentum (GeV/c)","dE/dx",400,0.0,maxPtdEdx,200,mindEdx,maxdEdx);
1062     CreateHisto2D(Form("dEdxProton%s",cutName->Data()),"dE/dx for p(#bar{p})","momentum (GeV/c)","dE/dx",400,0.0,maxPtdEdx,200,mindEdx,maxdEdx);
1063     CreateHisto2D(Form("dEdxElectron%s",cutName->Data()),"dE/dx for e^{#pm}","momentum (GeV/c)","dE/dx",400,0.0,maxPtdEdx,200,mindEdx,maxdEdx);
1064     CreateHisto2D(Form("dEdxUnidentified%s",cutName->Data()),"dE/dx for unidentified particles","momentum (GeV/c)","dE/dx",400,0.0,maxPtdEdx,200,mindEdx,maxdEdx);
1065   }
1066   delete strTPC;
1067   delete strITS;
1068   delete strTPCITS;
1069
1070   Float_t minEt = 0.0;
1071   Float_t maxEt = 100.0;
1072   Int_t nbinsEt = 100;
1073   char histoname[200];
1074   char histotitle[200];
1075   char xtitle[50];
1076   char ytitle[50];
1077   TString *sTPC = new TString("TPC");
1078   TString *sITS = new TString("ITS");
1079   TString *sTPCpt = new TString("0.15");
1080   TString *sITSpt = new TString("0.10");
1081   TString *sPID = new TString("");
1082   TString *sNoPID = new TString("NoPID");
1083   TString *sNoPIDString = new TString(", No PID");
1084   TString *sHadEt = new TString("HadEt");
1085   TString *sTotEt = new TString("TotEt");
1086   TString *sTotEtString = new TString("total E_{T}");
1087   TString *sHadEtString = new TString("hadronic E_{T}");
1088   TString *sFull = new TString("Full");
1089   TString *sEMCAL = new TString("EMCAL");
1090   TString *sPHOS = new TString("PHOS");
1091   float etDiff = 1.5;
1092
1093   for(int tpc = 0;tpc<lastcutset;tpc++){
1094     TString *detector;
1095     TString *ptstring;
1096     if(tpc==1) {detector = sTPC; ptstring = sTPCpt;}
1097     else{detector = sITS; ptstring = sITSpt;}
1098     for(int hadet = 0;hadet<2;hadet++){
1099       TString *et;
1100       TString *etstring;
1101       if(hadet==1) {et = sHadEt; etstring = sHadEtString;}
1102       else{et = sTotEt; etstring = sTotEtString;}
1103       for(int type = 0;type<3;type++){
1104         if(type==0 && !fInvestigateFull) continue;
1105         if(type==1 && !fInvestigateEMCal) continue;
1106         if(type==2 && !fInvestigatePHOS) continue;
1107         TString *acceptance;
1108         switch(type){
1109         case 0:
1110           acceptance = sFull;
1111           etDiff = 1.5;
1112           break;
1113         case 1:
1114           acceptance = sEMCAL;
1115           etDiff = 5;
1116           break;
1117         case 2:
1118           acceptance = sPHOS;
1119           etDiff = 5;
1120           break;
1121         default:
1122           acceptance = sFull;
1123         }
1124         for(int pid = 0;pid<2;pid++){
1125           TString *partid;
1126           TString *partidstring;
1127           if(pid==1){partid = sPID; partidstring = sPID;}
1128           else{partid = sNoPID; partidstring = sNoPIDString;}
1129           sprintf(histoname,"Sim%sMinusReco%s%sAcceptance%s%s",et->Data(),et->Data(),acceptance->Data(),detector->Data(),partid->Data());
1130           sprintf(histotitle,"(Simulated %s - reconstructed %s)/(Simulated %s) with %s acceptance for p_{T}>%s GeV/c%s",etstring->Data(),etstring->Data(),etstring->Data(),acceptance->Data(),ptstring->Data(),partidstring->Data());
1131           sprintf(ytitle,"(Simulated %s - reconstructed %s)/(Simulated %s)",etstring->Data(),etstring->Data(),etstring->Data());
1132           sprintf(xtitle,"Simulated %s",etstring->Data());
1133           CreateHisto2D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt,nbinsEt,-etDiff,etDiff);
1134           if(hadet==0 && type==0 && fInvestigatePiKP){//we only want to do this once...  not the most elegant way of coding but hey...
1135             sprintf(histoname,"SimPiKPMinusRecoPiKP%sAcceptance%s%s",acceptance->Data(),detector->Data(),partid->Data());
1136             sprintf(histotitle,"(Sim PiKP - reco PiKP)/(Sim PiKP) with %s acceptance for p_{T}>%s GeV/c%s",acceptance->Data(),ptstring->Data(),partidstring->Data());
1137             sprintf(ytitle,"(Sim PiKP - reco PiKP)/(Sim PiKP)");
1138             sprintf(xtitle,"Simulated E_{T}^{#pi,K,p}");
1139             CreateHisto2D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt,nbinsEt,-etDiff,etDiff);
1140           }
1141         }
1142       }
1143     }
1144   }
1145   CreateHisto1D("SimPiKPEt","Simulated #pi,K,p E_{T}","Simulated #pi,K,p E_{T}","Number of events",nbinsEt,minEt,maxEt);
1146   CreateHisto1D("SimTotEt","Simulated Total E_{T}","Simulated Total E_{T}","Number of events",nbinsEt*4,minEt,maxEt);
1147   CreateHisto1D("SimHadEt","Simulated Hadronic E_{T}","Simulated Hadronic E_{T}","Number of events",nbinsEt*4,minEt,maxEt);
1148
1149   etDiff = 0.15;
1150
1151   if(fInvestigateSmearing){
1152
1153     //======================================================================
1154
1155     sprintf(histoname,"SimPiKPEtMinusSimPtSmeared");
1156     sprintf(histotitle,"Simulated (true-smeared)/true for 0.5 percent momentum smearing");
1157     sprintf(ytitle,"(true-smeared)/true");
1158     sprintf(xtitle,"true p, K, p E_{T}");
1159     CreateHisto2D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt,nbinsEt,-etDiff/10.0,etDiff/10.0);
1160     sprintf(histoname,"SimPiKPEtPtSmeared");
1161     sprintf(histotitle,"Simulated E_{T} for 0.5 percent momentum smearing");
1162     sprintf(ytitle,"Number of events");
1163     sprintf(xtitle,"p, K, p E_{T}");
1164     CreateHisto1D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt);
1165
1166     //======================================================================
1167
1168     sprintf(histoname,"SimPiKPEtMinusSimEfficiencySmeared");
1169     sprintf(histotitle,"Simulated (true-smeared)/true for efficiency smearing");
1170     sprintf(ytitle,"(true-smeared)/true");
1171     sprintf(xtitle,"true p, K, p E_{T}");
1172     CreateHisto2D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt,nbinsEt,-etDiff*5,etDiff*5);
1173     sprintf(histoname,"SimPiKPEtEfficiencySmeared");
1174     sprintf(histotitle,"Simulated E_{T} for efficiency smearing");
1175     sprintf(ytitle,"Number of events");
1176     sprintf(xtitle,"p, K, p E_{T}");
1177     CreateHisto1D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt);
1178
1179     //======================================================================
1180
1181     sprintf(histoname,"SimPiKPEtMinusSimPtCutSmearedTPC");
1182     sprintf(histotitle,"Simulated (true-smeared)/true for p_{T}>0.15 GeV/c smearing");
1183     sprintf(ytitle,"(true-smeared)/true");
1184     sprintf(xtitle,"true p, K, p E_{T}");
1185     CreateHisto2D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt,nbinsEt,-etDiff,etDiff);
1186     sprintf(histoname,"SimPiKPEtPtCutSmearedTPC");
1187     sprintf(histotitle,"Simulated E_{T} for p_{T}>0.15 GeV/c smearing");
1188     sprintf(ytitle,"Number of events");
1189     sprintf(xtitle,"p, K, p E_{T}");
1190     CreateHisto1D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt);
1191
1192
1193     //======================================================================
1194
1195     sprintf(histoname,"SimPiKPEtMinusSimPtCutSmearedITS");
1196     sprintf(histotitle,"Simulated (true-smeared)/true for p_{T}>0.10 GeV/c smearing");
1197     sprintf(ytitle,"(true-smeared)/true");
1198     sprintf(xtitle,"true p, K, p E_{T}");
1199     CreateHisto2D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt,nbinsEt,-etDiff,etDiff);
1200     sprintf(histoname,"SimPiKPEtPtCutSmearedITS");
1201     sprintf(histotitle,"Simulated E_{T} for p_{T}>0.10 GeV/c smearing");
1202     sprintf(ytitle,"Number of events");
1203     sprintf(xtitle,"p, K, p E_{T}");
1204     CreateHisto1D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt);
1205
1206     //======================================================================
1207
1208     sprintf(histoname,"SimPiKPEtMinusSimPIDSmeared");
1209     sprintf(histotitle,"Simulated (true-smeared)/true for PID smearing");
1210     sprintf(ytitle,"(true-smeared)/true");
1211     sprintf(xtitle,"true p, K, p E_{T}");
1212     CreateHisto2D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt,nbinsEt,-etDiff,etDiff);
1213     sprintf(histoname,"SimPiKPEtPIDSmeared");
1214     sprintf(histotitle,"Simulated E_{T} for PID smearing");
1215     sprintf(ytitle,"Number of events");
1216     sprintf(xtitle,"p, K, p E_{T}");
1217     CreateHisto1D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt);
1218
1219     //======================================================================
1220
1221     sprintf(histoname,"SimPiKPEtMinusSimPIDSmearedNoID");
1222     sprintf(histotitle,"Simulated (true-smeared)/true for PID smearing No ID");
1223     sprintf(ytitle,"(true-smeared)/true");
1224     sprintf(xtitle,"true p, K, p E_{T}");
1225     CreateHisto2D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt,nbinsEt,-etDiff,etDiff);
1226     sprintf(histoname,"SimPiKPEtPIDSmearedNoID");
1227     sprintf(histotitle,"Simulated E_{T} for PID smearing No ID");
1228     sprintf(ytitle,"Number of events");
1229     sprintf(xtitle,"p, K, p E_{T}");
1230     CreateHisto1D(histoname,histotitle,xtitle,ytitle,nbinsEt,minEt,maxEt);
1231   }
1232   delete sTPC;
1233   delete sITS;
1234   delete sTPCpt;
1235   delete sITSpt;
1236   delete sPID;
1237   delete sNoPID;
1238   delete sNoPIDString;
1239   delete sHadEt;
1240   delete sTotEt;
1241   delete sTotEtString;
1242   delete sHadEtString;
1243   delete sFull;
1244   delete sEMCAL;
1245   delete sPHOS;
1246   CreateIntHisto1D("NEvents","Number of events","number of events","Number of events",1,0,1);
1247
1248 }
1249