Abstract
We report branching fraction measurements of four decay modes of the baryon, each of which includes an meson and a baryon in the final state, and all of which are measured relative to the decay mode. The results are based on a data sample collected by the Belle detector at the KEKB asymmetric-energy collider. Two decays, and , are observed for the first time, while the measurements of the other decay modes, and , are more precise than those made previously. We obtain relative branching fractions of , , , and . The mass and width of the are also precisely determined to be and , respectively, where the uncertainties are statistical and systematic, respectively.
- Received 26 August 2020
- Accepted 28 January 2021
DOI:https://doi.org/10.1103/PhysRevD.103.052005
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