Abstract
Analyzing events collected with the BESIII detector at the BEPCII collider, the decay is observed for the first time. The branching fraction for this decay is determined to be , where the first uncertainty is statistical and the second is systematic.
- Received 15 September 2021
- Accepted 12 October 2021
DOI:https://doi.org/10.1103/PhysRevD.104.092003
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
Published by the American Physical Society