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
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   6  *                                                                        *\r
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   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 fInputAODGamma(0),fInputAODPi0(0), fInputAODGammaName(""),\r
  46 fEventsList(0),fNVtxZBin(1), fNCentBin(1), fNRpBin(1), fNBadChDistBin(3), fNpid(3),\r
  47 fNmaxMixEv(4), fVtxZCut(0), fCent(0), fRp(0), \r
  48 fPi0Mass(0.13498),fPi0MassWindow(0.015),fPi0OverOmegaPtCut(0.8),\r
  49 fGammaOverOmegaPtCut(0.3),\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 }\r
  61 \r
  62 //______________________________________________________________________________\r
  63 AliAnaOmegaToPi0Gamma::AliAnaOmegaToPi0Gamma(const AliAnaOmegaToPi0Gamma & ex) : AliAnaPartCorrBaseClass(ex),\r
  64 fInputAODGamma(new TClonesArray (*ex.fInputAODGamma)), \r
  65 fInputAODPi0(new TClonesArray (*ex.fInputAODPi0)),\r
  66 fInputAODGammaName(ex.fInputAODGammaName),\r
  67 fEventsList(ex.fEventsList), \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 AliAnaOmegaToPi0Gamma & AliAnaOmegaToPi0Gamma::operator = (const AliAnaOmegaToPi0Gamma & ex)\r
  91 {\r
  92  // assignment operator\r
  93   \r
  94  if(this == &ex)return *this;\r
  95    ((AliAnaPartCorrBaseClass *)this)->operator=(ex);\r
  96    fInputAODGamma = new TClonesArray(*ex.fInputAODGamma);\r
  97    fInputAODPi0 = new TClonesArray(*ex.fInputAODPi0);\r
  98 //   fInputAODGamma=ex.fInputAODGamma;\r
  99 //   fInputAODPi0=ex.fInputAODPi0;\r
 100    fInputAODGammaName = ex.fInputAODGammaName;\r
 101    fEventsList = ex.fEventsList;\r
 102 \r
 103    fNVtxZBin=ex.fNVtxZBin;\r
 104    fNCentBin=ex.fNCentBin;\r
 105    fNRpBin=ex.fNRpBin;\r
 106    fNBadChDistBin=ex.fNBadChDistBin;\r
 107    fNpid=ex.fNpid;\r
 108    fNmaxMixEv =ex.fNmaxMixEv;\r
 109 \r
 110    fVtxZCut=ex.fVtxZCut;\r
 111    fCent=ex.fCent;\r
 112    fRp=ex.fRp;\r
 113 \r
 114    fPi0Mass=ex.fPi0Mass;\r
 115    fPi0MassWindow=ex.fPi0MassWindow;\r
 116    fPi0OverOmegaPtCut=ex.fPi0OverOmegaPtCut;\r
 117    fGammaOverOmegaPtCut=ex.fGammaOverOmegaPtCut;\r
 118 \r
 119    fhEtalon=ex.fhEtalon;\r
 120    fRealOmega0=ex.fRealOmega0;\r
 121    fMixAOmega0=ex.fMixAOmega0;\r
 122    fMixBOmega0=ex.fMixBOmega0;\r
 123    fMixCOmega0=ex.fMixCOmega0;\r
 124    fRealOmega1=ex.fRealOmega1;\r
 125    fMixAOmega1=ex.fMixAOmega1;\r
 126    fMixBOmega1=ex.fMixBOmega1;\r
 127    fMixCOmega1=ex.fMixCOmega1;\r
 128    fRealOmega2=ex.fRealOmega2;\r
 129    fMixAOmega2=ex.fMixAOmega2;\r
 130    fMixBOmega2=ex.fMixBOmega2;\r
 131    fMixCOmega2=ex.fMixCOmega2;\r
 132    fhOmegaPriPt=ex.fhOmegaPriPt;\r
 133   return *this;\r
 134         \r
 135 }\r
 136 \r
 137 //______________________________________________________________________________\r
 138 AliAnaOmegaToPi0Gamma::~AliAnaOmegaToPi0Gamma() {\r
 139 \r
 140   //dtor\r
 141   if(fInputAODGamma){\r
 142     fInputAODGamma->Clear();\r
 143     delete fInputAODGamma;\r
 144   }\r
 145   \r
 146   if(fInputAODPi0){\r
 147     fInputAODPi0->Clear();\r
 148     delete fInputAODPi0;\r
 149   }  \r
 150 \r
 151   if(fEventsList){\r
 152      for(Int_t i=0;i<fNVtxZBin;i++){\r
 153         for(Int_t j=0;j<fNCentBin;j++){\r
 154            for(Int_t k=0;k<fNRpBin;k++){\r
 155                fEventsList[i*fNCentBin*fNRpBin+j*fNRpBin+k]->Clear();\r
 156                delete fEventsList[i*fNCentBin*fNRpBin+j*fNRpBin+k];\r
 157            }\r
 158         }\r
 159      }\r
 160   }\r
 161   delete [] fEventsList;\r
 162   fEventsList=0;\r
 163 \r
 164  delete [] fVtxZCut;\r
 165  delete [] fCent;\r
 166  delete [] fRp;\r
 167 \r
 168 }\r
 169 \r
 170 //______________________________________________________________________________\r
 171 void AliAnaOmegaToPi0Gamma::InitParameters()\r
 172 {\r
 173 //Init parameters when first called the analysis\r
 174 //Set default parameters\r
 175   fVtxZCut = new Double_t [fNVtxZBin];\r
 176   for(Int_t i=0;i<fNVtxZBin;i++) fVtxZCut[i]=10*(i+1);\r
 177 \r
 178   fCent=new Double_t[fNCentBin];\r
 179   for(int i = 0;i<fNCentBin;i++)fCent[i]=0;\r
 180 \r
 181   fRp=new Double_t[fNRpBin];\r
 182   for(int i = 0;i<fNRpBin;i++)fRp[i]=0;\r
 183 \r
 184 }\r
 185 \r
 186 \r
 187 //______________________________________________________________________________\r
 188 TList * AliAnaOmegaToPi0Gamma::GetCreateOutputObjects()\r
 189 {\r
 190   InitParameters();\r
 191 \r
 192   Int_t nptbins   = GetHistoPtBins();\r
 193   Float_t ptmax   = GetHistoPtMax();\r
 194   Float_t ptmin  = GetHistoPtMin();\r
 195 \r
 196   Int_t nmassbins = GetHistoMassBins();\r
 197   Float_t massmin = GetHistoMassMin();\r
 198   Float_t massmax = GetHistoMassMax();\r
 199 \r
 200   fhEtalon = new TH2F("hEtalon","Histo with binning parameters", nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;\r
 201   fhEtalon->SetXTitle("P_{T} (GeV)") ;\r
 202   fhEtalon->SetYTitle("m_{inv} (GeV)") ;\r
 203  \r
 204  // store them in fOutputContainer\r
 205  fEventsList = new TList*[fNVtxZBin*fNCentBin*fNRpBin];\r
 206  for(Int_t i=0;i<fNVtxZBin;i++){\r
 207      for(Int_t j=0;j<fNCentBin;j++){\r
 208          for(Int_t k=0;k<fNRpBin;k++){\r
 209              fEventsList[i*fNCentBin*fNRpBin+j*fNRpBin+k]=new TList();\r
 210          }\r
 211      }\r
 212  }\r
 213 \r
 214         \r
 215  TList * outputContainer = new TList() ; \r
 216  outputContainer->SetName(GetName());\r
 217  char key[255] ;\r
 218  char title[255] ;\r
 219  const char * detector= fInputAODGammaName.Data();\r
 220  Int_t ndim=fNVtxZBin*fNCentBin*fNRpBin*fNBadChDistBin*fNpid;\r
 221 \r
 222  fRealOmega0 =new TH2F*[ndim];\r
 223  fMixAOmega0 =new TH2F*[ndim];\r
 224  fMixBOmega0 =new TH2F*[ndim];\r
 225  fMixCOmega0 =new TH2F*[ndim];\r
 226  \r
 227  fRealOmega1 =new TH2F*[ndim];\r
 228  fMixAOmega1 =new TH2F*[ndim];\r
 229  fMixBOmega1 =new TH2F*[ndim];\r
 230  fMixCOmega1 =new TH2F*[ndim];\r
 231 \r
 232  fRealOmega2 =new TH2F*[ndim];\r
 233  fMixAOmega2 =new TH2F*[ndim];\r
 234  fMixBOmega2 =new TH2F*[ndim];\r
 235  fMixCOmega2 =new TH2F*[ndim];\r
 236 \r
 237  for(Int_t i=0;i<fNVtxZBin;i++){\r
 238      for(Int_t j=0;j<fNCentBin;j++){\r
 239          for(Int_t k=0;k<fNRpBin;k++){ //at event level\r
 240              Int_t idim=i*fNCentBin*fNRpBin+j*fNRpBin+k;\r
 241              for(Int_t ipid=0;ipid<fNpid;ipid++){\r
 242                  for(Int_t idist=0;idist<fNBadChDistBin;idist++){ //at particle level\r
 243 \r
 244                      Int_t index=idim*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 245 \r
 246                      sprintf(key,"RealToPi0Gamma_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 247                      sprintf(title, "%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
 248                      fhEtalon->Clone(key);\r
 249                      fRealOmega0[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 250                      fRealOmega0[index]->SetName(key) ;\r
 251                      fRealOmega0[index]->SetTitle(title);\r
 252                      outputContainer->Add(fRealOmega0[index]);\r
 253 \r
 254                      sprintf(key,"MixAToPi0Gamma_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 255                      sprintf(title, "%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
 256                      fhEtalon->Clone(key);\r
 257                      fMixAOmega0[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 258                      fMixAOmega0[index]->SetName(key) ;\r
 259                      fMixAOmega0[index]->SetTitle(title);\r
 260                      outputContainer->Add(fMixAOmega0[index]);\r
 261 \r
 262                      sprintf(key,"MixBToPi0Gamma_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 263                      sprintf(title, "%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
 264                      fhEtalon->Clone(key);\r
 265                      fMixBOmega0[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 266                      fMixBOmega0[index]->SetName(key) ;\r
 267                      fMixBOmega0[index]->SetTitle(title);\r
 268                      outputContainer->Add(fMixBOmega0[index]);\r
 269 \r
 270                      sprintf(key,"MixCToPi0Gamma_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 271                      sprintf(title, "%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
 272                      fhEtalon->Clone(key);\r
 273                      fMixCOmega0[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 274                      fMixCOmega0[index]->SetName(key) ;\r
 275                      fMixCOmega0[index]->SetTitle(title);\r
 276                      outputContainer->Add(fMixCOmega0[index]);\r
 277 \r
 278                      sprintf(key,"RealToPi0Gamma1_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 279                      sprintf(title, "%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
 280                      fhEtalon->Clone(key);\r
 281                      fRealOmega1[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 282                      fRealOmega1[index]->SetName(key) ;\r
 283                      fRealOmega1[index]->SetTitle(title);\r
 284                      outputContainer->Add(fRealOmega1[index]);\r
 285 \r
 286                      sprintf(key,"MixAToPi0Gamma1_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 287                      sprintf(title, "%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
 288                      fhEtalon->Clone(key);\r
 289                      fMixAOmega1[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 290                      fMixAOmega1[index]->SetName(key) ;\r
 291                      fMixAOmega1[index]->SetTitle(title);\r
 292                      outputContainer->Add(fMixAOmega1[index]);\r
 293 \r
 294                      sprintf(key,"MixBToPi0Gamma1_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 295                      sprintf(title, "%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
 296                      fhEtalon->Clone(key);\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                      sprintf(key,"MixCToPi0Gamma1_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 303                      sprintf(title, "%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                      fhEtalon->Clone(key);\r
 305                      fMixCOmega1[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 306                      fMixCOmega1[index]->SetName(key) ;\r
 307                      fMixCOmega1[index]->SetTitle(title);\r
 308                      outputContainer->Add(fMixCOmega1[index]);\r
 309 \r
 310                      sprintf(key,"RealToPi0Gamma2_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 311                      sprintf(title, "%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
 312                      fhEtalon->Clone(key);\r
 313                      fRealOmega2[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 314                      fRealOmega2[index]->SetName(key) ;\r
 315                      fRealOmega2[index]->SetTitle(title);\r
 316                      outputContainer->Add(fRealOmega2[index]);\r
 317 \r
 318                      sprintf(key,"MixAToPi0Gamma2_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 319                      sprintf(title, "%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
 320                      fhEtalon->Clone(key);\r
 321                      fMixAOmega2[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 322                      fMixAOmega2[index]->SetName(key) ;\r
 323                      fMixAOmega2[index]->SetTitle(title);\r
 324                      outputContainer->Add(fMixAOmega2[index]);\r
 325 \r
 326                      sprintf(key,"MixBToPi0Gamma2_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 327                      sprintf(title, "%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
 328                      fhEtalon->Clone(key);\r
 329                      fMixBOmega2[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 330                      fMixBOmega2[index]->SetName(key) ;\r
 331                      fMixBOmega2[index]->SetTitle(title);\r
 332                      outputContainer->Add(fMixBOmega2[index]);\r
 333 \r
 334                      sprintf(key,"MixCToPi0Gamma2_Vz%dC%dRp%dPid%dDist%d",i,j,k,ipid,idist);\r
 335                      sprintf(title, "%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
 336                      fhEtalon->Clone(key);\r
 337                      fMixCOmega2[index]=(TH2F*)fhEtalon->Clone(key) ;\r
 338                      fMixCOmega2[index]->SetName(key) ;\r
 339                      fMixCOmega2[index]->SetTitle(title);\r
 340                      outputContainer->Add(fMixCOmega2[index]);\r
 341                  }\r
 342              }\r
 343          }\r
 344      }  \r
 345  }\r
 346 \r
 347  if(IsDataMC()){\r
 348     sprintf(key, "%sOmegaPri",detector);\r
 349     sprintf(title,"primary #omega in %s",detector);\r
 350     fhOmegaPriPt=new TH1F(key, title,nptbins,ptmin,ptmax);\r
 351     fhOmegaPriPt->GetXaxis()->SetTitle("P_{T}");\r
 352     fhOmegaPriPt->GetYaxis()->SetTitle("dN/P_{T}");\r
 353     outputContainer->Add(fhOmegaPriPt);\r
 354  }\r
 355 \r
 356  delete fhEtalon;\r
 357  return outputContainer;\r
 358 }\r
 359 \r
 360 //______________________________________________________________________________\r
 361 void AliAnaOmegaToPi0Gamma::Print(const Option_t * /*opt*/) const\r
 362 {\r
 363   //Print some relevant parameters set in the analysis\r
 364   printf("**** Print %s %s ****\n", GetName(), GetTitle() ) ;\r
 365   AliAnaPartCorrBaseClass::Print(" ");\r
 366   printf("Omega->pi0+gamma->3gamma\n");\r
 367   printf("Cuts at event level:            \n");\r
 368   printf("Bins of vertex Z:                     %d \n", fNVtxZBin);\r
 369   printf("Bins of centrality:                   %d \n",fNCentBin);\r
 370   printf("Bins of Reaction plane:               %d\n",fNRpBin);\r
 371   printf("Cuts at AOD particle level:\n");\r
 372   printf("Number of PID:                        %d \n", fNpid);\r
 373   printf("Number of DistToBadChannel cuts:      %d\n", fNBadChDistBin);\r
 374   printf("number of events buffer to be mixed:  %d\n",fNmaxMixEv);\r
 375 } \r
 376 \r
 377 //______________________________________________________________________________\r
 378 void AliAnaOmegaToPi0Gamma::MakeAnalysisFillHistograms() \r
 379 {\r
 380  //fill the MC AOD if needed first\r
 381  //-----------\r
 382  //need to be further implemented\r
 383  AliStack * stack = 0x0;\r
 384 // TParticle * primary = 0x0;\r
 385  TClonesArray * mcparticles0 = 0x0;\r
 386  TClonesArray * mcparticles1 = 0x0;\r
 387  AliAODMCParticle * aodprimary = 0x0;\r
 388  Int_t pdg=0;\r
 389  Double_t pt=0;\r
 390  Double_t eta=0;\r
 391 \r
 392  if(IsDataMC()){\r
 393      if(GetReader()->ReadStack()){\r
 394         stack =  GetMCStack() ;\r
 395         if(!stack)\r
 396         printf("AliAnaAcceptance::MakeAnalysisFillHistograms() - There is no stack!\n");\r
 397         for(Int_t i=0 ; i<stack->GetNtrack(); i++){\r
 398             TParticle * prim = stack->Particle(i) ;\r
 399             pdg = prim->GetPdgCode() ;\r
 400             eta=prim->Eta();\r
 401             pt=prim->Pt();\r
 402             if(TMath::Abs(eta)<0.5) {\r
 403                if(pdg==223) fhOmegaPriPt->Fill(pt);\r
 404             }\r
 405         }\r
 406       }\r
 407       else if(GetReader()->ReadAODMCParticles()){\r
 408           //Get the list of MC particles\r
 409           mcparticles0 = GetReader()->GetAODMCParticles(0);\r
 410           if(!mcparticles0 && GetDebug() > 0)     {\r
 411              printf("AliAnaAcceptance::MakeAnalysisFillHistograms() -  Standard MCParticles not available!\n");\r
 412            }\r
 413            if(GetReader()->GetSecondInputAODTree()){\r
 414                mcparticles1 = GetReader()->GetAODMCParticles(1);\r
 415                if(!mcparticles1 && GetDebug() > 0)     {\r
 416                    printf("AliAnaAcceptance::MakeAnalysisFillHistograms() -  Second input MCParticles not available!\n");\r
 417                 }\r
 418            }\r
 419            for(Int_t i=0;i<mcparticles0->GetEntries();i++){\r
 420                aodprimary =(AliAODMCParticle*)mcparticles0->At(i);\r
 421                pdg = aodprimary->GetPdgCode() ;\r
 422                eta=aodprimary->Eta();\r
 423                pt=aodprimary->Pt();\r
 424                if(TMath::Abs(eta)<0.5) {\r
 425                   if(pdg==223) fhOmegaPriPt->Fill(pt);\r
 426                 }\r
 427 \r
 428            }\r
 429      }\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  GetReader()->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 \r
 455   fInputAODGamma = GetAODBranch(fInputAODGammaName); //photon array\r
 456  //fInputAODGamma = (TClonesArray *) GetReader()->GetOutputEvent()->FindListObject(fInputAODGammaName); //photon array\r
 457  Int_t nphotons = fInputAODGamma->GetEntries();\r
 458 \r
 459  fInputAODPi0 = (TClonesArray*)GetInputAODBranch();  //pi0 array\r
 460  Int_t npi0s = fInputAODPi0 ->GetEntries();\r
 461  \r
 462  if(nphotons<3 || npi0s<1)return; //for pi0, eta and omega->pi0+gamma->3gamma reconstruction\r
 463 \r
 464  //reconstruction of omega(782)->pi0+gamma->3gamma\r
 465  //loop for pi0 and photon\r
 466  if(GetDebug() > 0) printf("omega->pi0+gamma->3gamma invariant mass analysis ! This event have %d photons and %d pi0 \n", nphotons, npi0s);\r
 467  for(Int_t i=0;i<npi0s;i++){\r
 468      AliAODPWG4Particle * pi0 = (AliAODPWG4Particle*) (fInputAODPi0->At(i)) ; //pi0\r
 469      TLorentzVector vpi0(pi0->Px(),pi0->Py(),pi0->Pz(),pi0->E());\r
 470      Int_t lab1=pi0->GetCaloLabel(0);  // photon1 from pi0 decay\r
 471      Int_t lab2=pi0->GetCaloLabel(1);  // photon2 from pi0 decay\r
 472      //for omega->pi0+gamma, it needs at least three photons per event\r
 473      //Get the two decay photons from pi0\r
 474      AliAODPWG4Particle * photon1 =0;\r
 475      AliAODPWG4Particle * photon2 =0;\r
 476      for(Int_t d1=0;d1<nphotons;d1++){\r
 477          for(Int_t d2=0;d2<nphotons;d2++){\r
 478              AliAODPWG4Particle * dp1 = (AliAODPWG4Particle*) (fInputAODGamma->At(d1));\r
 479              AliAODPWG4Particle * dp2 = (AliAODPWG4Particle*) (fInputAODGamma->At(d2));\r
 480              Int_t dlab1=dp1->GetCaloLabel(0);\r
 481              Int_t dlab2=dp2->GetCaloLabel(0);\r
 482              if(dlab1==lab1 && dlab2==lab2){\r
 483                 photon1=dp1;\r
 484                 photon2=dp2;\r
 485              }\r
 486              else continue;\r
 487          }\r
 488     }\r
 489     //caculate the asy and dist of the two photon from pi0 decay\r
 490     TLorentzVector dph1(photon1->Px(),photon1->Py(),photon1->Pz(),photon1->E());\r
 491     TLorentzVector dph2(photon2->Px(),photon2->Py(),photon2->Pz(),photon2->E());\r
 492 \r
 493     Double_t pi0asy= TMath::Abs(dph1.E()-dph2.E())/(dph1.E()+dph2.E());\r
 494 //    Double_t phi1=dph1.Phi();\r
 495 //    Double_t phi2=dph2.Phi();\r
 496 //    Double_t eta1=dph1.Eta();\r
 497 //    Double_t eta2=dph2.Eta();\r
 498 //    Double_t pi0dist=TMath::Sqrt((phi1-phi2)*(phi1-phi2)+(eta1-eta2)*(eta1-eta2));\r
 499 \r
 500     if(pi0->GetPdg()==111  && nphotons>2 && npi0s\r
 501            && TMath::Abs(vpi0.M()-fPi0Mass)<fPi0MassWindow) { //pi0 candidates\r
 502 \r
 503          //avoid the double counting\r
 504          Int_t * dc1= new Int_t[nphotons];\r
 505          Int_t * dc2= new Int_t[nphotons];\r
 506          Int_t index1=0;\r
 507          Int_t index2=0;\r
 508          for(Int_t k=0;k<i;k++){\r
 509              AliAODPWG4Particle * p3=(AliAODPWG4Particle*)(fInputAODPi0->At(k));\r
 510              Int_t lab4=p3->GetCaloLabel(0);\r
 511              Int_t lab5=p3->GetCaloLabel(1);\r
 512              if(lab1==lab4){ dc1[index1]=lab5;  index1++;  }\r
 513              if(lab2==lab5){ dc2[index2]=lab4;  index2++;  }\r
 514          }\r
 515 \r
 516 \r
 517          //loop the pi0 with third gamma\r
 518          for(Int_t j=0;j<nphotons;j++){\r
 519              AliAODPWG4Particle *photon3 = (AliAODPWG4Particle*) (fInputAODGamma->At(j));\r
 520              TLorentzVector dph3(photon3->Px(),photon3->Py(),photon3->Pz(),photon3->E());\r
 521              Int_t lab3=photon3->GetCaloLabel(0);\r
 522              Double_t pi0gammapt=(vpi0+dph3).Pt();\r
 523              Double_t pi0gammamass=(vpi0+dph3).M();\r
 524              Double_t pi0OverOmegaPtRatio =vpi0.Pt()/pi0gammapt; \r
 525              Double_t gammaOverOmegaPtRatio= dph3.Pt()/pi0gammapt;\r
 526 \r
 527              //pi0, gamma pt cut             \r
 528              if(pi0OverOmegaPtRatio>fPi0OverOmegaPtCut || \r
 529                 gammaOverOmegaPtRatio<fGammaOverOmegaPtCut) continue;\r
 530 \r
 531              for(Int_t l=0;l<index1;l++) if(lab3==dc1[l]) lab3=-1;\r
 532              for(Int_t l=0;l<index2;l++) if(lab3==dc2[l]) lab3=-1;\r
 533     \r
 534              if(lab3>0 && lab3!=lab1 && lab3!=lab2){\r
 535                 for(Int_t ipid=0;ipid<fNpid;ipid++){\r
 536                     for(Int_t idist=0;idist<fNBadChDistBin;idist++){\r
 537                         Int_t index=curEventBin*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 538                         if(photon1->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 539                            photon2->IsPIDOK(ipid,AliCaloPID::kPhoton) && \r
 540                            photon3->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 541                            photon1->DistToBad()>=idist &&\r
 542                            photon2->DistToBad()>=idist &&\r
 543                            photon3->DistToBad()>=idist ){\r
 544                            //fill the histograms\r
 545                            if(GetDebug() > 2) printf("Real: index  %d  pt  %2.3f  mass   %2.3f \n", index, pi0gammapt, pi0gammamass);\r
 546                            fRealOmega0[index]->Fill(pi0gammapt,pi0gammamass);\r
 547                            if(pi0asy<0.7) fRealOmega1[index]->Fill(pi0gammapt,pi0gammamass);\r
 548                            if(pi0asy<0.8) fRealOmega2[index]->Fill(pi0gammapt,pi0gammamass);\r
 549                         }\r
 550                      }\r
 551                 }\r
 552              }\r
 553          }      \r
 554          delete []dc1;\r
 555          delete []dc2;\r
 556  if(GetDebug() > 0) printf("MixA: (r1_event1+r2_event1)+r3_event2 \n");\r
 557          //-------------------------\r
 558          //background analysis\r
 559          //three background\r
 560          // --A   (r1_event1+r2_event1)+r3_event2\r
 561          Int_t nMixed = fEventsList[curEventBin]->GetSize();\r
 562          for(Int_t im=0;im<nMixed;im++){\r
 563              TClonesArray* ev2= (TClonesArray*) (fEventsList[curEventBin]->At(im));\r
 564              for(Int_t mix1=0;mix1<ev2->GetEntries();mix1++){\r
 565                 AliAODPWG4Particle *mix1ph = (AliAODPWG4Particle*) (ev2->At(mix1));     \r
 566                 TLorentzVector vmixph(mix1ph->Px(),mix1ph->Py(),mix1ph->Pz(),mix1ph->E());\r
 567                 Double_t pi0gammapt=(vpi0+vmixph).Pt();\r
 568                 Double_t pi0gammamass=(vpi0+vmixph).M();\r
 569                 Double_t pi0OverOmegaPtRatio =vpi0.Pt()/pi0gammapt;\r
 570                 Double_t gammaOverOmegaPtRatio= vmixph.Pt()/pi0gammapt;\r
 571 \r
 572               //pi0, gamma pt cut             \r
 573                if(pi0OverOmegaPtRatio>fPi0OverOmegaPtCut || \r
 574                   gammaOverOmegaPtRatio<fGammaOverOmegaPtCut) continue;\r
 575 \r
 576                 for(Int_t ipid=0;ipid<fNpid;ipid++){\r
 577                    for(Int_t idist=0;idist<fNBadChDistBin;idist++){\r
 578                        Int_t index=curEventBin*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 579                        if(photon1->IsPIDOK(ipid,AliCaloPID::kPhoton)&&\r
 580                           photon2->IsPIDOK(ipid,AliCaloPID::kPhoton)&&\r
 581                           mix1ph->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 582                           photon1->DistToBad()>=idist &&\r
 583                           photon2->DistToBad()>=idist &&\r
 584                           mix1ph->DistToBad()>=idist ){\r
 585                           if(GetDebug() > 2) printf("MixA: index  %d   pt  %2.3f  mass   %2.3f \n",index, pi0gammapt, pi0gammamass);\r
 586                           //fill the histograms\r
 587                           fMixAOmega0[index]->Fill(pi0gammapt,pi0gammamass);\r
 588                           if(pi0asy<0.7)fMixAOmega1[index]->Fill(pi0gammapt,pi0gammamass);\r
 589                           if(pi0asy<0.8)fMixAOmega2[index]->Fill(pi0gammapt,pi0gammamass);\r
 590 //printf("mix A  %d  %2.2f \n", index, pi0gammamass);\r
 591                           \r
 592                        }\r
 593                    }\r
 594                 }\r
 595              }\r
 596          }\r
 597      }\r
 598  }\r
 599 \r
 600  //\r
 601  // --B   (r1_event1+r2_event2)+r3_event2\r
 602  //\r
 603  if(GetDebug() >0)printf("MixB:  (r1_event1+r2_event2)+r3_event2 \n");\r
 604  for(Int_t i=0;i<nphotons;i++){\r
 605      AliAODPWG4Particle *ph1 = (AliAODPWG4Particle*) (fInputAODGamma->At(i)); \r
 606      TLorentzVector vph1(ph1->Px(),ph1->Py(),ph1->Pz(),ph1->E());\r
 607 \r
 608      Int_t nMixed = fEventsList[curEventBin]->GetSize();\r
 609      for(Int_t ie=0;ie<nMixed;ie++){\r
 610          TClonesArray* ev2= (TClonesArray*) (fEventsList[curEventBin]->At(ie));\r
 611          for(Int_t mix1=0;mix1<ev2->GetEntries();mix1++){\r
 612              AliAODPWG4Particle *ph2 = (AliAODPWG4Particle*) (ev2->At(mix1));\r
 613              TLorentzVector vph2(ph2->Px(),ph2->Py(),ph2->Pz(),ph2->E());\r
 614              Double_t pi0asy = TMath::Abs(vph1.E()-vph2.E())/(vph1.E()+vph2.E());            \r
 615              Double_t pi0mass=(vph1+vph2).M();\r
 616                 \r
 617              if(TMath::Abs(pi0mass-fPi0Mass)<fPi0MassWindow){//for pi0 selection\r
 618                 for(Int_t mix2=(mix1+1);mix2<ev2->GetEntries();mix2++){\r
 619                     AliAODPWG4Particle *ph3 = (AliAODPWG4Particle*) (ev2->At(mix2));\r
 620                     TLorentzVector vph3(ph3->Px(),ph3->Py(),ph3->Pz(),ph3->E());\r
 621                     \r
 622                     Double_t pi0gammapt=(vph1+vph2+vph3).Pt();\r
 623                     Double_t pi0gammamass=(vph1+vph2+vph3).M(); \r
 624                     Double_t pi0OverOmegaPtRatio =(vph1+vph2).Pt()/pi0gammapt;\r
 625                     Double_t gammaOverOmegaPtRatio= vph3.Pt()/pi0gammapt;\r
 626                    //pi0, gamma pt cut             \r
 627                    if(pi0OverOmegaPtRatio>fPi0OverOmegaPtCut ||\r
 628                        gammaOverOmegaPtRatio<fGammaOverOmegaPtCut) continue;\r
 629 \r
 630                     for(Int_t ipid=0;ipid<fNpid;ipid++){\r
 631                          for(Int_t idist=0;idist<fNBadChDistBin;idist++){\r
 632                             Int_t index=curEventBin*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 633                             if(ph1->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 634                                ph2->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 635                                ph3->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 636                                ph1->DistToBad()>=idist &&\r
 637                                ph2->DistToBad()>=idist &&\r
 638                                ph3->DistToBad()>=idist ){\r
 639                                if(GetDebug() > 2) printf("MixB: index  %d   pt  %2.3f  mass   %2.3f \n", index, pi0gammapt, pi0gammamass);\r
 640                                //fill histograms\r
 641                                fMixBOmega0[index]->Fill(pi0gammapt,pi0gammamass);\r
 642                                if(pi0asy<0.7) fMixBOmega1[index]->Fill(pi0gammapt,pi0gammamass);\r
 643                                if(pi0asy<0.8) fMixBOmega2[index]->Fill(pi0gammapt,pi0gammamass);\r
 644 //printf("mix B  %d  %2.2f \n", index, pi0gammamass);\r
 645                             }\r
 646                         }                   \r
 647                     }\r
 648                 }\r
 649         \r
 650                 //\r
 651                 // --C   (r1_event1+r2_event2)+r3_event3\r
 652                 //\r
 653                 if(GetDebug() >0)printf("MixC: (r1_event1+r2_event2)+r3_event3\n");\r
 654                 for(Int_t je=(ie+1);je<nMixed;je++){\r
 655                     TClonesArray* ev3= (TClonesArray*) (fEventsList[curEventBin]->At(je));\r
 656                     for(Int_t mix3=0;mix3<ev3->GetEntries();mix3++){\r
 657                         AliAODPWG4Particle *ph3 = (AliAODPWG4Particle*) (ev3->At(mix3));\r
 658                         TLorentzVector vph3(ph3->Px(),ph3->Py(),ph3->Pz(),ph3->E());\r
 659                         \r
 660                         Double_t pi0gammapt=(vph1+vph2+vph3).Pt();\r
 661                         Double_t pi0gammamass=(vph1+vph2+vph3).M();\r
 662                         Double_t pi0OverOmegaPtRatio =(vph1+vph2).Pt()/pi0gammapt;\r
 663                         Double_t gammaOverOmegaPtRatio= vph3.Pt()/pi0gammapt;\r
 664                         //pi0, gamma pt cut             \r
 665                         if(pi0OverOmegaPtRatio>fPi0OverOmegaPtCut ||\r
 666                           gammaOverOmegaPtRatio<fGammaOverOmegaPtCut) continue;\r
 667         \r
 668                         for(Int_t ipid=0;ipid<fNpid;ipid++){\r
 669                             for(Int_t idist=0;idist<fNBadChDistBin;idist++){\r
 670                                 Int_t index=curEventBin*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 671                                 if(ph1->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 672                                    ph2->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 673                                    ph3->IsPIDOK(ipid,AliCaloPID::kPhoton) &&\r
 674                                    ph1->DistToBad()>=idist &&\r
 675                                    ph2->DistToBad()>=idist &&\r
 676                                    ph3->DistToBad()>=idist ){\r
 677                                    if(GetDebug() > 2) printf("MixC: index  %d  pt  %2.3f  mass   %2.3f \n", index, pi0gammapt, pi0gammamass);\r
 678                                    //fill histograms\r
 679                                   fMixCOmega0[index]->Fill(pi0gammapt,pi0gammamass);\r
 680                                   if(pi0asy<0.7) fMixCOmega1[index]->Fill(pi0gammapt,pi0gammamass);\r
 681                                   if(pi0asy<0.8) fMixCOmega2[index]->Fill(pi0gammapt,pi0gammamass);\r
 682 //printf("mix C  %d  %2.2f \n", index, pi0gammamass);\r
 683                                }\r
 684                            }\r
 685                         }\r
 686                     }\r
 687                 }\r
 688              } //for pi0 selecton               \r
 689          }\r
 690      }\r
 691  }\r
 692 \r
 693 \r
 694  //event buffer \r
 695  TClonesArray *currentEvent = new TClonesArray(*fInputAODGamma);\r
 696  if(currentEvent->GetEntriesFast()>0){\r
 697         fEventsList[curEventBin]->AddFirst(currentEvent) ;\r
 698         currentEvent=0 ; \r
 699         if(fEventsList[curEventBin]->GetSize()>=fNmaxMixEv) {\r
 700             TClonesArray * tmp = (TClonesArray*) (fEventsList[curEventBin]->Last()) ;\r
 701             fEventsList[curEventBin]->RemoveLast() ;\r
 702             delete tmp ;\r
 703         }\r
 704  }\r
 705  else{ \r
 706        delete currentEvent ;\r
 707        currentEvent=0 ;\r
 708  }\r
 709 }\r
 710 \r
 711 //______________________________________________________________________________\r
 712 void AliAnaOmegaToPi0Gamma::ReadHistograms(TList * outputList)\r
 713 {\r
 714  //read the histograms \r
 715  //for the finalization of the terminate analysis\r
 716 \r
 717  Int_t index = outputList->IndexOf(outputList->FindObject(GetAddedHistogramsStringToName()+"RealToPi0Gamma_Vz0C0Rp0Pid0Dist0"));\r
 718 \r
 719   Int_t ndim=fNVtxZBin*fNCentBin*fNRpBin*fNBadChDistBin*fNpid;\r
 720 \r
 721  if(!fRealOmega0) fRealOmega0 =new TH2F*[ndim];\r
 722  if(!fMixAOmega0) fMixAOmega0 =new TH2F*[ndim];\r
 723  if(!fMixBOmega0) fMixBOmega0 =new TH2F*[ndim];\r
 724  if(!fMixCOmega0) fMixCOmega0 =new TH2F*[ndim];\r
 725 \r
 726  if(!fRealOmega1) fRealOmega1 =new TH2F*[ndim];\r
 727  if(!fMixAOmega1) fMixAOmega1 =new TH2F*[ndim];\r
 728  if(!fMixBOmega1) fMixBOmega1 =new TH2F*[ndim];\r
 729  if(!fMixCOmega1) fMixCOmega1 =new TH2F*[ndim];\r
 730 \r
 731  if(!fRealOmega2) fRealOmega2 =new TH2F*[ndim];\r
 732  if(!fMixAOmega2) fMixAOmega2 =new TH2F*[ndim];\r
 733  if(!fMixBOmega2) fMixBOmega2 =new TH2F*[ndim];\r
 734  if(!fMixCOmega2) fMixCOmega2 =new TH2F*[ndim];\r
 735 \r
 736   for(Int_t i=0;i<fNVtxZBin;i++){\r
 737      for(Int_t j=0;j<fNCentBin;j++){\r
 738          for(Int_t k=0;k<fNRpBin;k++){ //at event level\r
 739              Int_t idim=i*fNCentBin*fNRpBin+j*fNRpBin+k;\r
 740              for(Int_t ipid=0;ipid<fNpid;ipid++){ \r
 741                 for(Int_t idist=0;idist<fNBadChDistBin;idist++){ //at particle\r
 742                     Int_t ind=idim*fNpid*fNBadChDistBin+ipid*fNBadChDistBin+idist;\r
 743                     fRealOmega0[ind]= (TH2F*) outputList->At(index++);\r
 744                     fMixAOmega0[ind]= (TH2F*) outputList->At(index++);\r
 745                     fMixBOmega0[ind]= (TH2F*) outputList->At(index++);\r
 746                     fMixCOmega0[ind]= (TH2F*) outputList->At(index++);\r
 747 \r
 748                     fRealOmega1[ind]= (TH2F*) outputList->At(index++);\r
 749                     fMixAOmega1[ind]= (TH2F*) outputList->At(index++);\r
 750                     fMixBOmega1[ind]= (TH2F*) outputList->At(index++);\r
 751                     fMixCOmega1[ind]= (TH2F*) outputList->At(index++);\r
 752 \r
 753                     fRealOmega2[ind]= (TH2F*) outputList->At(index++);\r
 754                     fMixAOmega2[ind]= (TH2F*) outputList->At(index++);\r
 755                     fMixBOmega2[ind]= (TH2F*) outputList->At(index++);\r
 756                     fMixCOmega2[ind]= (TH2F*) outputList->At(index++);\r
 757                     \r
 758                  \r
 759                 }\r
 760               }\r
 761           }\r
 762       }\r
 763   }\r
 764   \r
 765   if(IsDataMC()){\r
 766      fhOmegaPriPt  = (TH1F*)  outputList->At(index++);\r
 767   }\r
 768 \r
 769 }\r
 770 \r
 771 //______________________________________________________________________________\r
 772 void AliAnaOmegaToPi0Gamma::Terminate(TList * outputList) \r
 773 {\r
 774 // //Do some calculations and plots from the final histograms.\r
 775   if(GetDebug() >= 0) printf("AliAnaOmegaToPi0Gamma::Terminate() \n");\r
 776   ReadHistograms(outputList);\r
 777   char cvs1[128];  \r
 778   sprintf(cvs1, "Neutral_%s_IVM",fInputAODGammaName.Data());\r
 779 \r
 780   TCanvas * cvsIVM = new TCanvas(cvs1, cvs1, 400, 10, 600, 700) ;\r
 781   cvsIVM->Divide(2, 2);\r
 782 \r
 783   cvsIVM->cd(1);\r
 784   char dec[128];\r
 785   sprintf(dec,"h2Real_%s",fInputAODGammaName.Data());\r
 786   TH2F * h2Real= (TH2F*)fRealOmega0[0]->Clone(dec);\r
 787   h2Real->GetXaxis()->SetRangeUser(4,6);\r
 788   TH1F * hRealOmega = (TH1F*) h2Real->ProjectionY();\r
 789   hRealOmega->SetTitle("RealPi0Gamma 4<pt<6");\r
 790   hRealOmega->SetLineColor(2);\r
 791   hRealOmega->Draw();\r
 792 \r
 793   cvsIVM->cd(2);\r
 794   sprintf(dec,"hMixA_%s",fInputAODGammaName.Data());\r
 795   TH2F *h2MixA= (TH2F*)fMixAOmega0[0]->Clone(dec);\r
 796   h2MixA->GetXaxis()->SetRangeUser(4,6);\r
 797   TH1F * hMixAOmega = (TH1F*) h2MixA->ProjectionY();\r
 798   hMixAOmega->SetTitle("MixA 4<pt<6");\r
 799   hMixAOmega->SetLineColor(2);\r
 800   hMixAOmega->Draw();\r
 801 \r
 802   cvsIVM->cd(3);\r
 803   sprintf(dec,"hMixB_%s",fInputAODGammaName.Data());\r
 804   TH2F * h2MixB= (TH2F*)fMixBOmega0[0]->Clone(dec);\r
 805   h2MixB->GetXaxis()->SetRangeUser(4,6);\r
 806   TH1F * hMixBOmega = (TH1F*) h2MixB->ProjectionY();\r
 807   hMixBOmega->SetTitle("MixB 4<pt<6");\r
 808   hMixBOmega->SetLineColor(2);\r
 809   hMixBOmega->Draw();\r
 810 \r
 811   cvsIVM->cd(4);\r
 812   sprintf(dec,"hMixC_%s",fInputAODGammaName.Data());\r
 813   TH2F *h2MixC= (TH2F*)fMixCOmega0[0]->Clone(dec);\r
 814   h2MixC->GetXaxis()->SetRangeUser(4,6);\r
 815   TH1F * hMixCOmega = (TH1F*) h2MixC->ProjectionY();\r
 816   hMixCOmega->SetTitle("MixC 4<pt<6");\r
 817   hMixCOmega->SetLineColor(2);\r
 818   hMixCOmega->Draw();\r
 819 \r
 820   char eps[128 ];\r
 821   sprintf(eps,"CVS_%s_IVM.eps",fInputAODGammaName.Data());\r
 822   cvsIVM->Print(eps);\r
 823   cvsIVM->Modified();\r
 824  \r
 825 }\r