Branching fraction limits for B0 decays to η′η, η′π0 and ηπ0

Aubert, B. et al. (2006) Branching fraction limits for B0 decays to η′η, η′π0 and ηπ0. Physical Review D, 73 (7). 071102. ISSN 1550-7998

Abstract

We describe searches for decays to two-body charmless final states η′η, η′π0 and ηπ0 of B0 mesons produced in e+e- annihilation. The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 232×106 produced BB̅ pairs. The results for branching fractions are, in units of 10-6 (upper limits at 90% C.L.): B(B0→η′η)=0.2-0.5+0.7±0.4(<1.7), B(B0→ηπ0)=0.6-0.4+0.5±0.1(<1.3), and B(B0→η′π0)=0.8-0.6+0.8±0.1(<2.1). The first error quoted is statistical and the second systematic.

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