Abstract
We report a search for the decay . Using a data sample of pairs collected with the BABAR detector at the PEP-II2 storage ring at SLAC, we find no events and set an upper limit on the branching fraction at 90% C.L., where we have normalized to the world average value.
- Received 6 January 2014
DOI:https://doi.org/10.1103/PhysRevD.89.071102
© 2014 American Physical Society