Abstract
We report on a search for the process using decays collected with the BABAR detector at the PEP-II asymmetric-energy factory at SLAC. From a signal yield of events, we place an upper limit on the branching fraction of , at the 90% confidence level.
- Received 8 June 2007
DOI:https://doi.org/10.1103/PhysRevD.76.071103
©2007 American Physical Society