Abstract
We report a search for the decays and , which are highly suppressed in the standard model. Using a sample of pairs collected with the BABAR detector, we do not see any evidence of these decays and determine 90% confidence level upper limits of and on the corresponding branching fractions, including systematic uncertainties.
- Received 7 August 2008
DOI:https://doi.org/10.1103/PhysRevD.78.091102
©2008 American Physical Society