CLNS 01/1718 CLEO 01-02 Search for B 0 → π 0 π 0 decay
نویسندگان
چکیده
We have searched for the charmless hadronic decay of B mesons into two neutral pions. Using 9.13 fb taken at the Υ(4S) with the CLEO detector, we obtain an improved upper limit for the branching fraction B(B → ππ) < 5.7 × 10 at the 90% confidence level.
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تاریخ انتشار 2001