Measurement of branching fractions for and
Journal Article
·
· Physical Review. D.
Based on of collision data accumulated at center-of-mass energies between 4599.53 and 4698.82 MeV with the BESIII detector, we measure the absolute branching fraction of the Cabibbo-favored decay with the precision improved by a factor of 2.8 and report the first evidence for the singly-Cabibbo-suppressed decay . The branching fractions for and are determined to be and , respectively, where the first uncertainties are statistical and the second ones are systematic. Published by the American Physical Society 2024
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- FG02-05ER41374
- OSTI ID:
- 2337539
- Journal Information:
- Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 7 Vol. 109; ISSN PRVDAQ; ISSN 2470-0010
- Publisher:
- American Physical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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