Abstract
We report the observation of decays and in a sample of events recorded with the BABAR detector at the SLAC PEP-II asymmetric-energy storage ring. We measure the branching fractions , , , and . The significances of the measurements to differ from zero are 5, 9, 6, and 5 standard deviations, respectively. This is the first observation of , , and decays.
- Received 5 April 2006
DOI:https://doi.org/10.1103/PhysRevLett.98.081801
©2007 American Physical Society