PWG4/PartCorrDep/AliAnaOmegaToPi0Gamma.cxx

   1 /**************************************************************************\r
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *\r
   3  *                                                                        *\r
   4  * Author: The ALICE Off-line Project.                                    *\r
   5  * Contributors are mentioned in the code where appropriate.              *\r
   6  *                                                                        *\r
   7  * Permission to use, copy, modify and distribute this software and its   *\r
   8  * documentation strictly for non-commercial purposes is hereby granted   *\r
   9  * without fee, provided that the above copyright notice appears in all   *\r
  10  * copies and that both the copyright notice and this permission notice   *\r
  11  * appear in the supporting documentation. The authors make no claims     *\r
  12  * about the suitability of this software for any purpose. It is          *\r
  13  * provided "as is" without express or implied warranty.                  *\r
  14  **************************************************************************/\r
  15 /* $Id: $ */\r
  16 //_________________________________________________________________________\r
  17 // class to extract omega(782)->pi0+gamma->3gamma\r
  18 //\r
  19 //-- Author: Renzhuo Wan (IOPP-Wuhan, China)\r
  20 //_________________________________________________________________________\r
  21 \r
  22 // --- ROOT system\r
  23 class TROOT;\r
  24 \r
  25 // --- AliRoot system\r
  26 //class AliVEvent;\r
  27 // --- ROOT system ---\r
  28 #include "TH2F.h"\r
  29 #include "TLorentzVector.h"\r
  30 #include "TParticle.h"\r
  31 #include "TCanvas.h"\r
  32 #include "TFile.h"\r
  33 //---- AliRoot system ----\r
  34 #include "AliAnaOmegaToPi0Gamma.h"\r
  35 #include "AliCaloTrackReader.h"\r
  36 #include "AliCaloPID.h"\r
  37 #include "AliStack.h"\r
  38 #include "AliVEvent.h"\r
  39 #include "AliAODEvent.h"\r
  40 #include "AliAODMCParticle.h"\r
  41 ClassImp(AliAnaOmegaToPi0Gamma)\r
  42 \r
  43 //______________________________________________________________________________\r
  44 AliAnaOmegaToPi0Gamma::AliAnaOmegaToPi0Gamma() : AliAnaPartCorrBaseClass(),\r
  45 fInputAODPi0(0), fInputAODGammaName(""),\r
  46 fEventsList(0x0),fNVtxZBin(0), fNCentBin(0), fNRpBin(0), fNBadChDistBin(0), fNpid(0),\r
  47 fNmaxMixEv(0), fVtxZCut(0), fCent(0), fRp(0), \r
  48 fPi0Mass(0),fPi0MassWindow(0),fPi0OverOmegaPtCut(0),\r
  49 fGammaOverOmegaPtCut(0),\r
  50 fhEtalon(0),\r
  51 fRealOmega0(0), fMixAOmega0(0),\r
  52 fMixBOmega0(0), fMixCOmega0(0),\r
  53 fRealOmega1(0), fMixAOmega1(0),\r
  54 fMixBOmega1(0), fMixCOmega1(0),\r
  55 fRealOmega2(0), fMixAOmega2(0),\r
  56 fMixBOmega2(0), fMixCOmega2(0),\r
  57 fhOmegaPriPt(0)\r
  58 {\r
  59  //Default Ctor\r
  60  InitParameters();\r
  61 }\r
  62 /*\r
  63 //______________________________________________________________________________\r
  64 AliAnaOmegaToPi0Gamma::AliAnaOmegaToPi0Gamma(const AliAnaOmegaToPi0Gamma & ex) : AliAnaPartCorrBaseClass(ex),\r
  65 fInputAODPi0(new TClonesArray (*ex.fInputAODPi0)),\r
  66 fInputAODGammaName(ex.fInputAODGammaName),\r
  67 fEventsList(0x0), \r
  68 fNVtxZBin(ex.fNVtxZBin), fNCentBin(ex.fNCentBin), fNRpBin(ex.fNRpBin),\r
  69 fNBadChDistBin(ex.fNBadChDistBin),fNpid(ex.fNpid),\r
  70 fNmaxMixEv(ex.fNmaxMixEv),\r
  71 fVtxZCut(ex.fVtxZCut), fCent(ex.fCent), fRp(ex.fRp), \r
  72 fPi0Mass(ex.fPi0Mass),\r
  73 fPi0MassWindow(ex.fPi0MassWindow),\r
  74 fPi0OverOmegaPtCut(ex.fPi0OverOmegaPtCut),\r
  75 fGammaOverOmegaPtCut(ex.fGammaOverOmegaPtCut),\r
  76 fhEtalon(ex.fhEtalon),\r
  77 fRealOmega0(ex.fRealOmega0), fMixAOmega0(ex.fMixAOmega0),\r
  78 fMixBOmega0(ex.fMixBOmega0), fMixCOmega0(ex.fMixCOmega0),\r
  79 fRealOmega1(ex.fRealOmega1), fMixAOmega1(ex.fMixAOmega1),\r
  80 fMixBOmega1(ex.fMixBOmega1), fMixCOmega1(ex.fMixCOmega1),\r
  81 fRealOmega2(ex.fRealOmega2), fMixAOmega2(ex.fMixAOmega2),\r
  82 fMixBOmega2(ex.fMixBOmega2), fMixCOmega2(ex.fMixCOmega2),\r
  83 fhOmegaPriPt(ex.fhOmegaPriPt)\r
  84 {\r
  85  // cpy ctor\r
  86  //Do not need it\r
  87 }\r
  88 */\r
  89 /*\r
  90 //______________________________________________________________________________\r
  91 AliAnaOmegaToPi0Gamma & AliAnaOmegaToPi0Gamma::operator = (const AliAnaOmegaToPi0Gamma & ex)\r
  92 {\r
  93  // assignment operator\r
  94   \r
  95  if(this == &ex)return *this;\r
  96    ((AliAnaPartCorrBaseClass *)this)->operator=(ex);\r
  97    fInputAODPi0 = new TClonesArray(*ex.fInputAODPi0);\r
  98    fInputAODGammaName = ex.fInputAODGammaName;\r
  99    fEventsList = ex.fEventsList;\r
 100 \r
 101    fNVtxZBin=ex.fNVtxZBin;\r
 102    fNCentBin=ex.fNCentBin;\r
 103    fNRpBin=ex.fNRpBin;\r
 104    fNBadChDistBin=ex.fNBadChDistBin;\r
 105    fNpid=ex.fNpid;\r
 106    fNmaxMixEv =ex.fNmaxMixEv;\r
 107 \r
 108    fVtxZCut=ex.fVtxZCut;\r
 109    fCent=ex.fCent;\r
 110    fRp=ex.fRp;\r
 111 \r
 112    fPi0Mass=ex.fPi0Mass;\r
 113    fPi0MassWindow=ex.fPi0MassWindow;\r
 114    fPi0OverOmegaPtCut=ex.fPi0OverOmegaPtCut;\r
 115    fGammaOverOmegaPtCut=ex.fGammaOverOmegaPtCut;\r
 116 \r
 117    fhEtalon=ex.fhEtalon;\r
 118    fRealOmega0=ex.fRealOmega0;\r
 119    fMixAOmega0=ex.fMixAOmega0;\r
 120    fMixBOmega0=ex.fMixBOmega0;\r
 121    fMixCOmega0=ex.fMixCOmega0;\r
 122    fRealOmega1=ex.fRealOmega1;\r
 123    fMixAOmega1=ex.fMixAOmega1;\r
 124    fMixBOmega1=ex.fMixBOmega1;\r
 125    fMixCOmega1=ex.fMixCOmega1;\r
 126    fRealOmega2=ex.fRealOmega2;\r
 127    fMixAOmega2=ex.fMixAOmega2;\r
 128    fMixBOmega2=ex.fMixBOmega2;\r
 129    fMixCOmega2=ex.fMixCOmega2;\r
 130    fhOmegaPriPt=ex.fhOmegaPriPt;\r
 131   return *this;\r
 132         \r
 133 }\r
 134 */\r
 135 \r
 136 //______________________________________________________________________________\r
 137 AliAnaOmegaToPi0Gamma::~AliAnaOmegaToPi0Gamma() {\r
 138 \r
 139   //dtor\r
 140 //  Done by the maker  \r
 141 //  if(fInputAODPi0){\r
 142 //    fInputAODPi0->Clear();\r
 143 //    delete fInputAODPi0;\r
 144 //  }  \r
 145 \r
 146   if(fEventsList){\r
 147      for(Int_t i=0;i<fNVtxZBin;i++){\r
 148         for(Int_t j=0;j<fNCentBin;j++){\r
 149            for(Int_t k=0;k<fNRpBin;k++){\r
 150                fEventsList[i*fNCentBin*fNRpBin+j*fNRpBin+k]->Clear();\r
 151                delete fEventsList[i*fNCentBin*fNRpBin+j*fNRpBin+k];\r
 152            }\r
 153         }\r
 154      }\r
 155   }\r
 156   delete [] fEventsList;\r
 157   fEventsList=0;\r
 158 \r
 159  delete [] fVtxZCut;\r
 160  delete [] fCent;\r
 161  delete [] fRp;\r
 162 \r
 163 }\r
 164 \r
 165 //______________________________________________________________________________\r
 166 void AliAnaOmegaToPi0Gamma::InitParameters()\r
 167 {\r
 168 //Init parameters when first called the analysis\r
 169 //Set default parameters\r
 170  fInputAODGammaName="PhotonsDetector";  \r
 171  fNVtxZBin=1;              \r
 172  fNCentBin=1;               \r
 173  fNRpBin=1;                 \r
 174  fNBadChDistBin=3;          \r
 175  fNpid=9;                   \r
 176  fNmaxMixEv=8;              \r
 177  \r
 178  fPi0Mass=0.1348;             \r
 179  fPi0MassWindow=0.015;       \r
 180  fPi0OverOmegaPtCut=0.8;   \r
 181  fGammaOverOmegaPtCut=0.2; \r
 182 }\r
 183 \r
 184 \r
 185 //______________________________________________________________________________\r
 186 TList * AliAnaOmegaToPi0Gamma::GetCreateOutputObjects()\r
 187 {\r
 188   //\r
 189   fVtxZCut = new Double_t [fNVtxZBin];\r
 190   for(Int_t i=0;i<fNVtxZBin;i++) fVtxZCut[i]=10*(i+1);\r
 191   \r
 192   fCent=new Double_t[fNCentBin];\r
 193   for(int i = 0;i<fNCentBin;i++)fCent[i]=0;\r
 194   \r
 195   fRp=new Double_t[fNRpBin];\r
 196   for(int i = 0;i<fNRpBin;i++)fRp[i]=0;\r
 197   //\r
 198   Int_t nptbins   = GetHistoPtBins();\r
 199   Float_t ptmax   = GetHistoPtMax();\r
 200   Float_t ptmin   = GetHistoPtMin();\r
 201   \r
 202   Int_t nmassbins = GetHistoMassBins();\r
 203   Float_t massmin = GetHistoMassMin();\r
 204   Float_t massmax = GetHistoMassMax();\r
 205   \r
 206   fhEtalon = new TH2F("hEtalon","Histo with binning parameters", nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;\r
 207   fhEtalon->SetXTitle("P_{T} (GeV)") ;\r
 208   fhEtalon->SetYTitle("m_{inv} (GeV)") ;\r
 209   \r
 210   // store them in fOutputContainer\r
 211   fEventsList = new TList*[fNVtxZBin*fNCentBin*fNRpBin];\r
 212   for(Int_t i=0;i<fNVtxZBin;i++){\r
 213     for(Int_t j=0;j<fNCentBin;j++){\r
 214       for(Int_t k=0;k<fNRpBin;k++){\r
 215         fEventsList[i*fNCentBin*fNRpBin+j*fNRpBin+k] = new TList();\r
 216         fEventsList[i*fNCentBin*fNRpBin+j*fNRpBin+k]->SetOwner(kFALSE); \r
 217       }\r
 218     }\r
 219   }\r
 220         \r
 221   TList * outputContainer = new TList() ; \r
 222   outputContainer->SetName(GetName());\r
 223   const Int_t buffersize = 255;\r
 224   char key[buffersize] ;\r
 225   char title[buffersize] ;\r
 226   const char * detector= fInputAODGammaName.Data();\r
 227   Int_t ndim=fNVtxZBin*fNCentBin*fNRpBin*fNBadChDistBin*fNpid;\r
 228   \r
 229   fRealOmega0 =new TH2F*[ndim];\r
 230   fMixAOmega0 =new TH2F*[ndim];\r
 231   fMixBOmega0 =new TH2F*[ndim];\r
 232   fMixCOmega0 =new TH2F*[ndim];\r
 233   \r
 234   fRealOmega1 =new TH2F*[ndim];\r
 235   fMixAOmega1 =new TH2F*[ndim];\r
 236   fMixBOmega1 =new TH2F*[ndim];\r
 237   fMixCOmega1 =new TH2F*[ndim];\r
 238   \r
 239   fRealOmega2 =new TH2F*[ndim];\r
 240   fMixAOmega2 =new TH2F*[ndim];\r
 241   fMixBOmega2 =new TH2F*[ndim];\r
 242   fMixCOmega2 =new TH2F*[ndim];\r
 243   \r
 244   for(Int_t i=0;i<fNVtxZBin;i++){\r
 245     for(Int_t j=0;j<fNCentBin;j++){\r
 246       for(Int_t k=0;k<fNRpBin;k++){ //at event level\r
 247         Int_t idim=i*fNCentBin*fNRpBin+j*fNRpBin+k;\r
 248         for(Int_t ipid=0;ipid<fNpid;ipid++){\r
 249           for(Int_t idist=0;idist<fNBadChDistBin;idist++){ //at particle level\r
 250             \r
 251             Int_t index=idim*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 252             \r
 253             snprintf(key,buffersize,"RealToPi0Gamma_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 254             snprintf(title,buffersize, "%s Real Pi0GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 255             fRealOmega0[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 256             fRealOmega0[index]->SetName(key) ;\r
 257             fRealOmega0[index]->SetTitle(title);\r
 258             outputContainer->Add(fRealOmega0[index]);\r
 259             \r
 260             snprintf(key,buffersize,"MixAToPi0Gamma_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 261             snprintf(title,buffersize, "%s MixA Pi0GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 262             fMixAOmega0[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 263             fMixAOmega0[index]->SetName(key) ;\r
 264             fMixAOmega0[index]->SetTitle(title);\r
 265             outputContainer->Add(fMixAOmega0[index]);\r
 266             \r
 267             snprintf(key,buffersize,"MixBToPi0Gamma_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 268             snprintf(title,buffersize, "%s MixB Pi0GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 269             fMixBOmega0[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 270             fMixBOmega0[index]->SetName(key) ;\r
 271             fMixBOmega0[index]->SetTitle(title);\r
 272             outputContainer->Add(fMixBOmega0[index]);\r
 273             \r
 274             snprintf(key,buffersize,"MixCToPi0Gamma_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 275             snprintf(title,buffersize, "%s MixC Pi0GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 276             fMixCOmega0[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 277             fMixCOmega0[index]->SetName(key) ;\r
 278             fMixCOmega0[index]->SetTitle(title);\r
 279             outputContainer->Add(fMixCOmega0[index]);\r
 280             \r
 281             snprintf(key,buffersize,"RealToPi0Gamma1_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 282             snprintf(title,buffersize, "%s Real Pi0(A<0.7)GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 283             fRealOmega1[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 284             fRealOmega1[index]->SetName(key) ;\r
 285             fRealOmega1[index]->SetTitle(title);\r
 286             outputContainer->Add(fRealOmega1[index]);\r
 287             \r
 288             snprintf(key,buffersize,"MixAToPi0Gamma1_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 289             snprintf(title,buffersize, "%s MixA Pi0(A<0.7)GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 290             fMixAOmega1[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 291             fMixAOmega1[index]->SetName(key) ;\r
 292             fMixAOmega1[index]->SetTitle(title);\r
 293             outputContainer->Add(fMixAOmega1[index]);\r
 294             \r
 295             snprintf(key,buffersize,"MixBToPi0Gamma1_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 296             snprintf(title,buffersize, "%s MixB Pi0(A<0.7)GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 297             fMixBOmega1[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 298             fMixBOmega1[index]->SetName(key) ;\r
 299             fMixBOmega1[index]->SetTitle(title);\r
 300             outputContainer->Add(fMixBOmega1[index]);\r
 301             \r
 302             snprintf(key,buffersize,"MixCToPi0Gamma1_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 303             snprintf(title,buffersize, "%s MixC Pi0(A<0.7)GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 304             fMixCOmega1[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 305             fMixCOmega1[index]->SetName(key) ;\r
 306             fMixCOmega1[index]->SetTitle(title);\r
 307             outputContainer->Add(fMixCOmega1[index]);\r
 308             \r
 309             snprintf(key,buffersize,"RealToPi0Gamma2_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 310             snprintf(title,buffersize, "%s Real Pi0(A<0.8)GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 311             fRealOmega2[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 312             fRealOmega2[index]->SetName(key) ;\r
 313             fRealOmega2[index]->SetTitle(title);\r
 314             outputContainer->Add(fRealOmega2[index]);\r
 315             \r
 316             snprintf(key,buffersize,"MixAToPi0Gamma2_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 317             snprintf(title,buffersize, "%s MixA Pi0(A<0.8)GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 318             fMixAOmega2[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 319             fMixAOmega2[index]->SetName(key) ;\r
 320             fMixAOmega2[index]->SetTitle(title);\r
 321             outputContainer->Add(fMixAOmega2[index]);\r
 322             \r
 323             snprintf(key,buffersize,"MixBToPi0Gamma2_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 324             snprintf(title,buffersize, "%s MixB Pi0(A<0.8)GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 325             fMixBOmega2[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 326             fMixBOmega2[index]->SetName(key) ;\r
 327             fMixBOmega2[index]->SetTitle(title);\r
 328             outputContainer->Add(fMixBOmega2[index]);\r
 329             \r
 330             snprintf(key,buffersize,"MixCToPi0Gamma2_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 331             snprintf(title,buffersize, "%s MixC Pi0(A<0.8)GammaIVM vz_%2.1f_ct_%2.1f_Rp_%2.1f_pid_%d_dist_%d",detector,fVtxZCut[i],fCent[j],fRp[k],ipid,idist);\r
 332             fMixCOmega2[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 333             fMixCOmega2[index]->SetName(key) ;\r
 334             fMixCOmega2[index]->SetTitle(title);\r
 335             outputContainer->Add(fMixCOmega2[index]);\r
 336           }\r
 337         }\r
 338       }\r
 339     }  \r
 340   }\r
 341   \r
 342   if(IsDataMC()){\r
 343     snprintf(key,buffersize, "%sOmegaPri",detector);\r
 344     snprintf(title,buffersize,"primary #omega in %s",detector);\r
 345     fhOmegaPriPt=new TH1F(key, title,nptbins,ptmin,ptmax);\r
 346     fhOmegaPriPt->GetXaxis()->SetTitle("P_{T}");\r
 347     fhOmegaPriPt->GetYaxis()->SetTitle("dN/P_{T}");\r
 348     outputContainer->Add(fhOmegaPriPt);\r
 349   }\r
 350   \r
 351   delete fhEtalon;\r
 352   return outputContainer;\r
 353 }\r
 354 \r
 355 //______________________________________________________________________________\r
 356 void AliAnaOmegaToPi0Gamma::Print(const Option_t * /*opt*/) const\r
 357 {\r
 358   //Print some relevant parameters set in the analysis\r
 359   printf("**** Print %s %s ****\n", GetName(), GetTitle() ) ;\r
 360   AliAnaPartCorrBaseClass::Print(" ");\r
 361   printf("Omega->pi0+gamma->3gamma\n");\r
 362   printf("Cuts at event level:            \n");\r
 363   printf("Bins of vertex Z:                     %d \n", fNVtxZBin);\r
 364   printf("Bins of centrality:                   %d \n",fNCentBin);\r
 365   printf("Bins of Reaction plane:               %d\n",fNRpBin);\r
 366   printf("Cuts at AOD particle level:\n");\r
 367   printf("Number of PID:                        %d \n", fNpid);\r
 368   printf("Number of DistToBadChannel cuts:      %d\n", fNBadChDistBin);\r
 369   printf("number of events buffer to be mixed:  %d\n",fNmaxMixEv);\r
 370 } \r
 371 \r
 372 //______________________________________________________________________________\r
 373 void AliAnaOmegaToPi0Gamma::MakeAnalysisFillHistograms() \r
 374 {\r
 375   //fill the MC AOD if needed first\r
 376   //-----------\r
 377   //need to be further implemented\r
 378   AliStack * stack = 0x0;\r
 379   // TParticle * primary = 0x0;\r
 380   TClonesArray * mcparticles0 = 0x0;\r
 381   //TClonesArray * mcparticles1 = 0x0;\r
 382   AliAODMCParticle * aodprimary = 0x0;\r
 383   Int_t pdg=0;\r
 384   Double_t pt=0;\r
 385   Double_t eta=0;\r
 386   \r
 387   if(IsDataMC()){\r
 388     if(GetReader()->ReadStack()){\r
 389       stack =  GetMCStack() ;\r
 390       if(!stack){\r
 391         printf("AliAnaAcceptance::MakeAnalysisFillHistograms() - There is no stack!\n");\r
 392       }\r
 393       else{\r
 394         for(Int_t i=0 ; i<stack->GetNtrack(); i++){\r
 395           TParticle * prim = stack->Particle(i) ;\r
 396           pdg = prim->GetPdgCode() ;\r
 397           eta=prim->Eta();\r
 398           pt=prim->Pt();\r
 399           if(TMath::Abs(eta)<0.5) {\r
 400             if(pdg==223) fhOmegaPriPt->Fill(pt);\r
 401           }\r
 402         }\r
 403       }\r
 404     }\r
 405     else if(GetReader()->ReadAODMCParticles()){\r
 406       //Get the list of MC particles\r
 407       mcparticles0 = GetReader()->GetAODMCParticles(0);\r
 408       if(!mcparticles0 )     {\r
 409         if(GetDebug() > 0) printf("AliAnaAcceptance::MakeAnalysisFillHistograms() -  Standard MCParticles not available!\n");\r
 410       }\r
 411       //           if(GetReader()->GetSecondInputAODTree()){\r
 412       //               mcparticles1 = GetReader()->GetAODMCParticles(1);\r
 413       //               if(!mcparticles1 && GetDebug() > 0)     {\r
 414       //                   printf("AliAnaAcceptance::MakeAnalysisFillHistograms() -  Second input MCParticles not available!\n");\r
 415       //                }\r
 416       //           }\r
 417       else{\r
 418         for(Int_t i=0;i<mcparticles0->GetEntries();i++){\r
 419           aodprimary =(AliAODMCParticle*)mcparticles0->At(i);\r
 420           pdg = aodprimary->GetPdgCode() ;\r
 421           eta=aodprimary->Eta();\r
 422           pt=aodprimary->Pt();\r
 423           if(TMath::Abs(eta)<0.5) {\r
 424             if(pdg==223) fhOmegaPriPt->Fill(pt);\r
 425           }\r
 426           \r
 427         }\r
 428       }//mcparticles0 exists\r
 429     }//AOD MC Particles\r
 430   }// is data and MC\r
 431   \r
 432   \r
 433   //process event from AOD brach \r
 434   //extract pi0, eta and omega analysis\r
 435   Int_t iRun=(GetReader()->GetInputEvent())->GetRunNumber() ;\r
 436   if(IsBadRun(iRun)) return ;   \r
 437   \r
 438   //vertex z\r
 439   Double_t vert[]={0,0,0} ;\r
 440   GetVertex(vert);\r
 441   Int_t curEventBin =0;\r
 442   \r
 443   Int_t ivtxzbin=(Int_t)TMath::Abs(vert[2])/10;\r
 444   if(ivtxzbin>=fNVtxZBin)return;\r
 445   \r
 446   //centrality\r
 447   Int_t icentbin=0;\r
 448   \r
 449   //reaction plane\r
 450   Int_t irpbin=0;\r
 451   \r
 452   if(ivtxzbin==-1) return; \r
 453   curEventBin = ivtxzbin*fNCentBin*fNRpBin + icentbin*fNRpBin + irpbin;\r
 454   TClonesArray *aodGamma = (TClonesArray*) GetAODBranch(fInputAODGammaName); //photon array\r
 455   //  TClonesArray *aodGamma = (TClonesArray *) GetReader()->GetOutputEvent()->FindListObject(fInputAODGammaName); //photon array\r
 456   Int_t nphotons =0;\r
 457   if(aodGamma) nphotons= aodGamma->GetEntries(); \r
 458   else return;\r
 459   \r
 460   fInputAODPi0 = (TClonesArray*)GetInputAODBranch();  //pi0 array\r
 461   Int_t npi0s = 0;\r
 462   if(fInputAODPi0) npi0s= fInputAODPi0 ->GetEntries();\r
 463   else return;\r
 464   \r
 465   if(nphotons<3 || npi0s<1)return; //for pi0, eta and omega->pi0+gamma->3gamma reconstruction\r
 466   \r
 467   //reconstruction of omega(782)->pi0+gamma->3gamma\r
 468   //loop for pi0 and photon\r
 469   if(GetDebug() > 0) printf("omega->pi0+gamma->3gamma invariant mass analysis ! This event have %d photons and %d pi0 \n", nphotons, npi0s);\r
 470   for(Int_t i=0;i<npi0s;i++){\r
 471     AliAODPWG4Particle * pi0 = (AliAODPWG4Particle*) (fInputAODPi0->At(i)) ; //pi0\r
 472     TLorentzVector vpi0(pi0->Px(),pi0->Py(),pi0->Pz(),pi0->E());\r
 473     Int_t lab1=pi0->GetCaloLabel(0);  // photon1 from pi0 decay\r
 474     Int_t lab2=pi0->GetCaloLabel(1);  // photon2 from pi0 decay\r
 475     //for omega->pi0+gamma, it needs at least three photons per event\r
 476     //Get the two decay photons from pi0\r
 477     AliAODPWG4Particle * photon1 =0;\r
 478     AliAODPWG4Particle * photon2 =0;\r
 479     for(Int_t d1=0;d1<nphotons;d1++){\r
 480       for(Int_t d2=0;d2<nphotons;d2++){\r
 481         AliAODPWG4Particle * dp1 = (AliAODPWG4Particle*) (aodGamma->At(d1));\r
 482         AliAODPWG4Particle * dp2 = (AliAODPWG4Particle*) (aodGamma->At(d2));\r
 483         Int_t dlab1=dp1->GetCaloLabel(0);\r
 484         Int_t dlab2=dp2->GetCaloLabel(0);\r
 485         if(dlab1==lab1 && dlab2==lab2){\r
 486           photon1=dp1;\r
 487           photon2=dp2;\r
 488         }\r
 489         else continue;\r
 490       }\r
 491     }\r
 492     //caculate the asy and dist of the two photon from pi0 decay\r
 493     TLorentzVector dph1(photon1->Px(),photon1->Py(),photon1->Pz(),photon1->E());\r
 494     TLorentzVector dph2(photon2->Px(),photon2->Py(),photon2->Pz(),photon2->E());\r
 495     \r
 496     Double_t pi0asy= TMath::Abs(dph1.E()-dph2.E())/(dph1.E()+dph2.E());\r
 497     //    Double_t phi1=dph1.Phi();\r
 498     //    Double_t phi2=dph2.Phi();\r
 499     //    Double_t eta1=dph1.Eta();\r
 500     //    Double_t eta2=dph2.Eta();\r
 501     //    Double_t pi0dist=TMath::Sqrt((phi1-phi2)*(phi1-phi2)+(eta1-eta2)*(eta1-eta2));\r
 502     \r
 503     if(pi0->GetPdg()==111  && nphotons>2 && npi0s\r
 504        && TMath::Abs(vpi0.M()-fPi0Mass)<fPi0MassWindow) { //pi0 candidates\r
 505       \r
 506       //avoid the double counting\r
 507       Int_t * dc1= new Int_t[nphotons];\r
 508       Int_t * dc2= new Int_t[nphotons];\r
 509       Int_t index1=0;\r
 510       Int_t index2=0;\r
 511       for(Int_t k=0;k<i;k++){\r
 512         AliAODPWG4Particle * p3=(AliAODPWG4Particle*)(fInputAODPi0->At(k));\r
 513         Int_t lab4=p3->GetCaloLabel(0);\r
 514         Int_t lab5=p3->GetCaloLabel(1);\r
 515         if(lab1==lab4){ dc1[index1]=lab5;  index1++;  }\r
 516         if(lab2==lab5){ dc2[index2]=lab4;  index2++;  }\r
 517       }\r
 518       \r
 519       \r
 520       //loop the pi0 with third gamma\r
 521       for(Int_t j=0;j<nphotons;j++){\r
 522         AliAODPWG4Particle *photon3 = (AliAODPWG4Particle*) (aodGamma->At(j));\r
 523         TLorentzVector dph3(photon3->Px(),photon3->Py(),photon3->Pz(),photon3->E());\r
 524         Int_t lab3=photon3->GetCaloLabel(0);\r
 525         Double_t pi0gammapt=(vpi0+dph3).Pt();\r
 526         Double_t pi0gammamass=(vpi0+dph3).M();\r
 527         Double_t pi0OverOmegaPtRatio =vpi0.Pt()/pi0gammapt; \r
 528         Double_t gammaOverOmegaPtRatio= dph3.Pt()/pi0gammapt;\r
 529         \r
 530         //pi0, gamma pt cut             \r
 531         if(pi0OverOmegaPtRatio>fPi0OverOmegaPtCut || \r
 532            gammaOverOmegaPtRatio<fGammaOverOmegaPtCut) continue;\r
 533         \r
 534         for(Int_t l=0;l<index1;l++) if(lab3==dc1[l]) lab3=-1;\r
 535         for(Int_t l=0;l<index2;l++) if(lab3==dc2[l]) lab3=-1;\r
 536         \r
 537         if(lab3>0 && lab3!=lab1 && lab3!=lab2){\r
 538                 for(Int_t ipid=0;ipid<fNpid;ipid++){\r
 539             for(Int_t idist=0;idist<fNBadChDistBin;idist++){\r
 540               Int_t index=curEventBin*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 541               if(photon1->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 542                  photon2->IsPIDOK(ipid,AliCaloPID::kPhoton) && \r
 543                  photon3->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 544                  photon1->DistToBad()>=idist &&\r
 545                  photon2->DistToBad()>=idist &&\r
 546                  photon3->DistToBad()>=idist ){\r
 547                 //fill the histograms\r
 548                 if(GetDebug() > 2) printf("Real: index  %d  pt  %2.3f  mass   %2.3f \n", index, pi0gammapt, pi0gammamass);\r
 549                 fRealOmega0[index]->Fill(pi0gammapt,pi0gammamass);\r
 550                 if(pi0asy<0.7) fRealOmega1[index]->Fill(pi0gammapt,pi0gammamass);\r
 551                 if(pi0asy<0.8) fRealOmega2[index]->Fill(pi0gammapt,pi0gammamass);\r
 552               }\r
 553             }\r
 554                 }\r
 555         }\r
 556       } \r
 557       delete []dc1;\r
 558       delete []dc2;\r
 559       if(GetDebug() > 0) printf("MixA: (r1_event1+r2_event1)+r3_event2 \n");\r
 560       //-------------------------\r
 561       //background analysis\r
 562       //three background\r
 563       // --A   (r1_event1+r2_event1)+r3_event2\r
 564       Int_t nMixed = fEventsList[curEventBin]->GetSize();\r
 565       for(Int_t im=0;im<nMixed;im++){\r
 566         TClonesArray* ev2= (TClonesArray*) (fEventsList[curEventBin]->At(im));\r
 567         for(Int_t mix1=0;mix1<ev2->GetEntries();mix1++){\r
 568           AliAODPWG4Particle *mix1ph = (AliAODPWG4Particle*) (ev2->At(mix1));     \r
 569           TLorentzVector vmixph(mix1ph->Px(),mix1ph->Py(),mix1ph->Pz(),mix1ph->E());\r
 570           Double_t pi0gammapt=(vpi0+vmixph).Pt();\r
 571           Double_t pi0gammamass=(vpi0+vmixph).M();\r
 572           Double_t pi0OverOmegaPtRatio =vpi0.Pt()/pi0gammapt;\r
 573           Double_t gammaOverOmegaPtRatio= vmixph.Pt()/pi0gammapt;\r
 574           \r
 575           //pi0, gamma pt cut             \r
 576           if(pi0OverOmegaPtRatio>fPi0OverOmegaPtCut || \r
 577              gammaOverOmegaPtRatio<fGammaOverOmegaPtCut) continue;\r
 578           \r
 579                 for(Int_t ipid=0;ipid<fNpid;ipid++){\r
 580             for(Int_t idist=0;idist<fNBadChDistBin;idist++){\r
 581               Int_t index=curEventBin*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 582               if(photon1->IsPIDOK(ipid,AliCaloPID::kPhoton)&&\r
 583                  photon2->IsPIDOK(ipid,AliCaloPID::kPhoton)&&\r
 584                  mix1ph->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 585                  photon1->DistToBad()>=idist &&\r
 586                  photon2->DistToBad()>=idist &&\r
 587                  mix1ph->DistToBad()>=idist ){\r
 588                 if(GetDebug() > 2) printf("MixA: index  %d   pt  %2.3f  mass   %2.3f \n",index, pi0gammapt, pi0gammamass);\r
 589                 //fill the histograms\r
 590                 fMixAOmega0[index]->Fill(pi0gammapt,pi0gammamass);\r
 591                 if(pi0asy<0.7)fMixAOmega1[index]->Fill(pi0gammapt,pi0gammamass);\r
 592                 if(pi0asy<0.8)fMixAOmega2[index]->Fill(pi0gammapt,pi0gammamass);\r
 593                 //printf("mix A  %d  %2.2f \n", index, pi0gammamass);\r
 594                 \r
 595               }\r
 596             }\r
 597           }\r
 598         }\r
 599       }\r
 600     }\r
 601   }\r
 602   \r
 603   //\r
 604   // --B   (r1_event1+r2_event2)+r3_event2\r
 605   //\r
 606   if(GetDebug() >0)printf("MixB:  (r1_event1+r2_event2)+r3_event2 \n");\r
 607   for(Int_t i=0;i<nphotons;i++){\r
 608     AliAODPWG4Particle *ph1 = (AliAODPWG4Particle*) (aodGamma->At(i)); \r
 609     TLorentzVector vph1(ph1->Px(),ph1->Py(),ph1->Pz(),ph1->E());\r
 610     \r
 611     Int_t nMixed = fEventsList[curEventBin]->GetSize();\r
 612     for(Int_t ie=0;ie<nMixed;ie++){\r
 613       TClonesArray* ev2= (TClonesArray*) (fEventsList[curEventBin]->At(ie));\r
 614       for(Int_t mix1=0;mix1<ev2->GetEntries();mix1++){\r
 615         AliAODPWG4Particle *ph2 = (AliAODPWG4Particle*) (ev2->At(mix1));\r
 616         TLorentzVector vph2(ph2->Px(),ph2->Py(),ph2->Pz(),ph2->E());\r
 617         Double_t pi0asy = TMath::Abs(vph1.E()-vph2.E())/(vph1.E()+vph2.E());         \r
 618         Double_t pi0mass=(vph1+vph2).M();\r
 619         \r
 620         if(TMath::Abs(pi0mass-fPi0Mass)<fPi0MassWindow){//for pi0 selection\r
 621           for(Int_t mix2=(mix1+1);mix2<ev2->GetEntries();mix2++){\r
 622             AliAODPWG4Particle *ph3 = (AliAODPWG4Particle*) (ev2->At(mix2));\r
 623             TLorentzVector vph3(ph3->Px(),ph3->Py(),ph3->Pz(),ph3->E());\r
 624             \r
 625             Double_t pi0gammapt=(vph1+vph2+vph3).Pt();\r
 626             Double_t pi0gammamass=(vph1+vph2+vph3).M(); \r
 627             Double_t pi0OverOmegaPtRatio =(vph1+vph2).Pt()/pi0gammapt;\r
 628             Double_t gammaOverOmegaPtRatio= vph3.Pt()/pi0gammapt;\r
 629             //pi0, gamma pt cut             \r
 630             if(pi0OverOmegaPtRatio>fPi0OverOmegaPtCut ||\r
 631                gammaOverOmegaPtRatio<fGammaOverOmegaPtCut) continue;\r
 632             \r
 633             for(Int_t ipid=0;ipid<fNpid;ipid++){\r
 634               for(Int_t idist=0;idist<fNBadChDistBin;idist++){\r
 635                 Int_t index=curEventBin*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 636                 if(ph1->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 637                                ph2->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 638                    ph3->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 639                    ph1->DistToBad()>=idist &&\r
 640                    ph2->DistToBad()>=idist &&\r
 641                    ph3->DistToBad()>=idist ){\r
 642                   if(GetDebug() > 2) printf("MixB: index  %d   pt  %2.3f  mass   %2.3f \n", index, pi0gammapt, pi0gammamass);\r
 643                   //fill histograms\r
 644                   fMixBOmega0[index]->Fill(pi0gammapt,pi0gammamass);\r
 645                   if(pi0asy<0.7) fMixBOmega1[index]->Fill(pi0gammapt,pi0gammamass);\r
 646                   if(pi0asy<0.8) fMixBOmega2[index]->Fill(pi0gammapt,pi0gammamass);\r
 647                   //printf("mix B  %d  %2.2f \n", index, pi0gammamass);\r
 648                 }\r
 649               }             \r
 650             }\r
 651           }\r
 652           \r
 653           //\r
 654                 // --C   (r1_event1+r2_event2)+r3_event3\r
 655           //\r
 656           if(GetDebug() >0)printf("MixC: (r1_event1+r2_event2)+r3_event3\n");\r
 657           for(Int_t je=(ie+1);je<nMixed;je++){\r
 658             TClonesArray* ev3= (TClonesArray*) (fEventsList[curEventBin]->At(je));\r
 659             for(Int_t mix3=0;mix3<ev3->GetEntries();mix3++){\r
 660               AliAODPWG4Particle *ph3 = (AliAODPWG4Particle*) (ev3->At(mix3));\r
 661               TLorentzVector vph3(ph3->Px(),ph3->Py(),ph3->Pz(),ph3->E());\r
 662               \r
 663               Double_t pi0gammapt=(vph1+vph2+vph3).Pt();\r
 664               Double_t pi0gammamass=(vph1+vph2+vph3).M();\r
 665               Double_t pi0OverOmegaPtRatio =(vph1+vph2).Pt()/pi0gammapt;\r
 666               Double_t gammaOverOmegaPtRatio= vph3.Pt()/pi0gammapt;\r
 667               //pi0, gamma pt cut             \r
 668               if(pi0OverOmegaPtRatio>fPi0OverOmegaPtCut ||\r
 669                  gammaOverOmegaPtRatio<fGammaOverOmegaPtCut) continue;\r
 670               \r
 671               for(Int_t ipid=0;ipid<fNpid;ipid++){\r
 672                 for(Int_t idist=0;idist<fNBadChDistBin;idist++){\r
 673                   Int_t index=curEventBin*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 674                   if(ph1->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 675                      ph2->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 676                      ph3->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 677                      ph1->DistToBad()>=idist &&\r
 678                      ph2->DistToBad()>=idist &&\r
 679                      ph3->DistToBad()>=idist ){\r
 680                     if(GetDebug() > 2) printf("MixC: index  %d  pt  %2.3f  mass   %2.3f \n", index, pi0gammapt, pi0gammamass);\r
 681                     //fill histograms\r
 682                     fMixCOmega0[index]->Fill(pi0gammapt,pi0gammamass);\r
 683                     if(pi0asy<0.7) fMixCOmega1[index]->Fill(pi0gammapt,pi0gammamass);\r
 684                     if(pi0asy<0.8) fMixCOmega2[index]->Fill(pi0gammapt,pi0gammamass);\r
 685                     //printf("mix C  %d  %2.2f \n", index, pi0gammamass);\r
 686                   }\r
 687                 }\r
 688               }\r
 689             }\r
 690           }\r
 691         } //for pi0 selecton            \r
 692       }\r
 693     }\r
 694   }\r
 695   \r
 696   \r
 697   //event buffer \r
 698   TClonesArray *currentEvent = new TClonesArray(*aodGamma);\r
 699   if(currentEvent->GetEntriesFast()>0){\r
 700     fEventsList[curEventBin]->AddFirst(currentEvent) ;\r
 701     currentEvent=0 ; \r
 702     if(fEventsList[curEventBin]->GetSize()>=fNmaxMixEv) {\r
 703       TClonesArray * tmp = (TClonesArray*) (fEventsList[curEventBin]->Last()) ;\r
 704       fEventsList[curEventBin]->RemoveLast() ;\r
 705       delete tmp ;\r
 706     }\r
 707   }\r
 708   else{ \r
 709     delete currentEvent ;\r
 710     currentEvent=0 ;\r
 711   }\r
 712   \r
 713 }\r
 714 \r
 715 //______________________________________________________________________________\r
 716 void AliAnaOmegaToPi0Gamma::ReadHistograms(TList * outputList)\r
 717 {\r
 718  //read the histograms \r
 719  //for the finalization of the terminate analysis\r
 720 \r
 721  Int_t index = outputList->IndexOf(outputList->FindObject(GetAddedHistogramsStringToName()+"RealToPi0Gamma_Vz0C0Rp0Pid0Dist0"));\r
 722 \r
 723   Int_t ndim=fNVtxZBin*fNCentBin*fNRpBin*fNBadChDistBin*fNpid;\r
 724 \r
 725  if(!fRealOmega0) fRealOmega0 =new TH2F*[ndim];\r
 726  if(!fMixAOmega0) fMixAOmega0 =new TH2F*[ndim];\r
 727  if(!fMixBOmega0) fMixBOmega0 =new TH2F*[ndim];\r
 728  if(!fMixCOmega0) fMixCOmega0 =new TH2F*[ndim];\r
 729 \r
 730  if(!fRealOmega1) fRealOmega1 =new TH2F*[ndim];\r
 731  if(!fMixAOmega1) fMixAOmega1 =new TH2F*[ndim];\r
 732  if(!fMixBOmega1) fMixBOmega1 =new TH2F*[ndim];\r
 733  if(!fMixCOmega1) fMixCOmega1 =new TH2F*[ndim];\r
 734 \r
 735  if(!fRealOmega2) fRealOmega2 =new TH2F*[ndim];\r
 736  if(!fMixAOmega2) fMixAOmega2 =new TH2F*[ndim];\r
 737  if(!fMixBOmega2) fMixBOmega2 =new TH2F*[ndim];\r
 738  if(!fMixCOmega2) fMixCOmega2 =new TH2F*[ndim];\r
 739 \r
 740   for(Int_t i=0;i<fNVtxZBin;i++){\r
 741      for(Int_t j=0;j<fNCentBin;j++){\r
 742          for(Int_t k=0;k<fNRpBin;k++){ //at event level\r
 743              Int_t idim=i*fNCentBin*fNRpBin+j*fNRpBin+k;\r
 744              for(Int_t ipid=0;ipid<fNpid;ipid++){ \r
 745                 for(Int_t idist=0;idist<fNBadChDistBin;idist++){ //at particle\r
 746                     Int_t ind=idim*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 747                     fRealOmega0[ind]= (TH2F*) outputList->At(index++);\r
 748                     fMixAOmega0[ind]= (TH2F*) outputList->At(index++);\r
 749                     fMixBOmega0[ind]= (TH2F*) outputList->At(index++);\r
 750                     fMixCOmega0[ind]= (TH2F*) outputList->At(index++);\r
 751 \r
 752                     fRealOmega1[ind]= (TH2F*) outputList->At(index++);\r
 753                     fMixAOmega1[ind]= (TH2F*) outputList->At(index++);\r
 754                     fMixBOmega1[ind]= (TH2F*) outputList->At(index++);\r
 755                     fMixCOmega1[ind]= (TH2F*) outputList->At(index++);\r
 756 \r
 757                     fRealOmega2[ind]= (TH2F*) outputList->At(index++);\r
 758                     fMixAOmega2[ind]= (TH2F*) outputList->At(index++);\r
 759                     fMixBOmega2[ind]= (TH2F*) outputList->At(index++);\r
 760                     fMixCOmega2[ind]= (TH2F*) outputList->At(index++);\r
 761                     \r
 762                  \r
 763                 }\r
 764               }\r
 765           }\r
 766       }\r
 767   }\r
 768   \r
 769   if(IsDataMC()){\r
 770      fhOmegaPriPt  = (TH1F*)  outputList->At(index++);\r
 771   }\r
 772 \r
 773 }\r
 774 \r
 775 //______________________________________________________________________________\r
 776 void AliAnaOmegaToPi0Gamma::Terminate(TList * outputList) \r
 777 {\r
 778 // //Do some calculations and plots from the final histograms.\r
 779   if(GetDebug() >= 0) printf("AliAnaOmegaToPi0Gamma::Terminate() \n");\r
 780   ReadHistograms(outputList);\r
 781   const Int_t buffersize = 255;\r
 782   char cvs1[buffersize];  \r
 783   snprintf(cvs1, buffersize, "Neutral_%s_IVM",fInputAODGammaName.Data());\r
 784 \r
 785   TCanvas * cvsIVM = new TCanvas(cvs1, cvs1, 400, 10, 600, 700) ;\r
 786   cvsIVM->Divide(2, 2);\r
 787 \r
 788   cvsIVM->cd(1);\r
 789   char dec[buffersize];\r
 790   snprintf(dec,buffersize,"h2Real_%s",fInputAODGammaName.Data());\r
 791   TH2F * h2Real= (TH2F*)fRealOmega0[0]->Clone(dec);\r
 792   h2Real->GetXaxis()->SetRangeUser(4,6);\r
 793   TH1F * hRealOmega = (TH1F*) h2Real->ProjectionY();\r
 794   hRealOmega->SetTitle("RealPi0Gamma 4<pt<6");\r
 795   hRealOmega->SetLineColor(2);\r
 796   hRealOmega->Draw();\r
 797 \r
 798   cvsIVM->cd(2);\r
 799   snprintf(dec,buffersize,"hMixA_%s",fInputAODGammaName.Data());\r
 800   TH2F *h2MixA= (TH2F*)fMixAOmega0[0]->Clone(dec);\r
 801   h2MixA->GetXaxis()->SetRangeUser(4,6);\r
 802   TH1F * hMixAOmega = (TH1F*) h2MixA->ProjectionY();\r
 803   hMixAOmega->SetTitle("MixA 4<pt<6");\r
 804   hMixAOmega->SetLineColor(2);\r
 805   hMixAOmega->Draw();\r
 806 \r
 807   cvsIVM->cd(3);\r
 808   snprintf(dec,buffersize,"hMixB_%s",fInputAODGammaName.Data());\r
 809   TH2F * h2MixB= (TH2F*)fMixBOmega0[0]->Clone(dec);\r
 810   h2MixB->GetXaxis()->SetRangeUser(4,6);\r
 811   TH1F * hMixBOmega = (TH1F*) h2MixB->ProjectionY();\r
 812   hMixBOmega->SetTitle("MixB 4<pt<6");\r
 813   hMixBOmega->SetLineColor(2);\r
 814   hMixBOmega->Draw();\r
 815 \r
 816   cvsIVM->cd(4);\r
 817   snprintf(dec,buffersize,"hMixC_%s",fInputAODGammaName.Data());\r
 818   TH2F *h2MixC= (TH2F*)fMixCOmega0[0]->Clone(dec);\r
 819   h2MixC->GetXaxis()->SetRangeUser(4,6);\r
 820   TH1F * hMixCOmega = (TH1F*) h2MixC->ProjectionY();\r
 821   hMixCOmega->SetTitle("MixC 4<pt<6");\r
 822   hMixCOmega->SetLineColor(2);\r
 823   hMixCOmega->Draw();\r
 824 \r
 825   char eps[buffersize];\r
 826   snprintf(eps,buffersize,"CVS_%s_IVM.eps",fInputAODGammaName.Data());\r
 827   cvsIVM->Print(eps);\r
 828   cvsIVM->Modified();\r
 829  \r
 830 }\r