message: Tag MC cluster as merged meson decay if only one photon found but 2 photons opening angle is smaller than an EMCal cell
diff: @@ -860,6 +860,23 @@ void AliMCAnalysisUtils::CheckOverlapped2GammaDecay(const Int_t *labels, const U
  // photon1->Eta(),phi,
  // photon1->MCStatusCode(),photon1->IsPhysicalPrimary());
  }
  + else if ( angle < 0.0143 )
  + {
  + // Two contributions not found in cluster, but not normal if too small opening angle and only one photon appears,
  + // still check if opening angle is smaller than an EMCal cell and assign as merged
  + AliInfo(Form("Opening angle %2.3f rad too small to not be a merged meson (%d): \n"
  + "\t Meson E %2.2f GeV, Eta %2.3f, Phi %2.3f rad \n"
  + "\t Gamma1 E %2.2f GeV, Eta %2.3f, Phi %2.3f rad \n"
  + "\t Gamma2 E %2.2f GeV, Eta %2.3f, Phi %2.3f rad ",
  + angle, mesonPdg,
  + meson ->E(), meson ->Eta(), meson ->Phi(),
  + fDaughMom .E(), fDaughMom .Eta(), fDaughMom .Phi(),
  + fDaughMom2.E(), fDaughMom2.Eta(), fDaughMom2.Phi()));
  +
  + if ( mesonPdg == 111 ) SetTagBit(tag,kMCPi0);
  + else SetTagBit(tag,kMCEta);
  + }
  +
  }
  //________________________________________________________________________________________________________
  