We have searched for the charmless hadronic decay of B 0 mesons into two neutral pions. Using 9.13 fb -1 taken at the Υ(4S) with the CLEO detector, we obtain an improved upper limit for the branching fraction B(B 0 →π 0 π 0 )<5.7 ×10 -6 at the 90% confidence level.
|Original language||English (US)|
|Number of pages||4|
|Journal||Physical Review D - Particles, Fields, Gravitation and Cosmology|
|State||Published - Feb 1 2002|
ASJC Scopus subject areas
- Nuclear and High Energy Physics
- Physics and Astronomy (miscellaneous)