Abstract
We report the first observation of the charmless hyperonic decay, , using a data sample recorded on the resonance with the Belle detector at KEKB. The measured branching fraction is . Searches for and yield no significant signals and we set 90% confidence-level upper limits of and .
- Received 18 February 2003
DOI:https://doi.org/10.1103/PhysRevLett.90.201802
©2003 American Physical Society