HIGHLIGHTS
- who: M. Ablikim and collaborators from the Institute of High Energy Physics, Beijing, People's Republic of China Beihang University have published the research: PHYSICAL REVIEW 105 112010 (2022) Observation of the double Dalitz decay η0 → + - + - 2470-0010=2022=105(11)=112010(8) 112010-1 105 112010 (2022) (BESIII, in the Journal: (JOURNAL) of 22/06/2022
- future: To exclude showers that originate from charged tracks the angle between the direction of each shower in the EMC and the direction of the closest extrapolated charged track must be greater than 10°.
SUMMARY

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