Abstract
We have searched for the charmless hadronic decay of mesons into two neutral pions. Using 9.13 taken at the with the CLEO detector, we obtain an improved upper limit for the branching fraction at the 90% confidence level.
- Received 23 March 2001
DOI:https://doi.org/10.1103/PhysRevD.65.031103
©2002 American Physical Society