Abstract
We report a measurement of the branching fraction and final-state asymmetry for the decays. The analysis is based on a data sample of collected at the resonance with the Belle detector at the KEKB asymmetric-energy collider. We obtain a branching fraction of and a final-state asymmetry of , where the first uncertainties are statistical and the second are systematic. Hints of peaking structures are found in the differential branching fractions measured as functions of Dalitz variables.
- Received 16 April 2019
DOI:https://doi.org/10.1103/PhysRevD.100.011101
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Published by the American Physical Society