Aubert, B. et al. (2006) Search for B+→ϕπ+ and B0→ϕπ0 decays. Physical Review D, 74 (1). 011102. ISSN 1550-7998
Abstract

A search has been made for the decays B+→ϕπ+ and B0→ϕπ0 in a data sample of approximately 232×106 BB̅ pairs recorded at the Υ(4S) resonance with the BABAR detector at the PEP-II B-meson Factory at SLAC. No significant signals have been observed, and therefore upper limits have been set on the branching fractions: B(B+→ϕπ+)<2.4×10-7 and B(B0→ϕπ0)<2.8×10-7 at 90% probability.

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