message: Changed to logic for 0nXn + Xn0n for ZDC study
diff: @@ -1374,8 +1374,9 @@ void AliAnalysisTaskUpcEtaC::RunAODhist()
  fHistNeventsEtaC3PiPiChannel->Fill(4);
  fHistNeventsEtaC4KaonChannel->Fill(4);
  - // if( fZNAenergy > 11500 || fZNCenergy > 11500) return; // was 8200
  - if( fZNAenergy > 1500 || fZNCenergy > 1500) return; //>1500 for 0n0n or <= 1500 for XnXn
  + if( fZNAenergy > 11500 || fZNCenergy > 11500) return; // was 8200
  + if( fZNAenergy <= 1500 && fZNCenergy <= 1500) return; //>1500 for 0n0n or <= 1500 for XnXn
  + if( fZNAenergy > 1500 && fZNCenergy > 1500) return; //for 0nXn or Xn0n, one ZDC <= 1500 AND other ZDC > 1500.
  fHistNeventsEtaCK0sChannel->Fill(5);
  fHistNeventsEtaC->Fill(5);
  