Abstract
We present the observation of the decay as well as evidence of , with an 8.9 and a 3.6 standard deviation significance, respectively, using a data sample of decays collected with the BABAR detector at the PEP-II meson factory located at the Stanford Linear Accelerator Center (SLAC). The measured branching fractions are and , where the first quoted errors are statistical and the second are systematic. We obtain a branching fraction upper limit of at the 90% confidence level.
- Received 11 August 2008
DOI:https://doi.org/10.1103/PhysRevD.78.091101
©2008 American Physical Society