Two-Body B Meson Decays to η and η: Observation of BηK

B. H. Behrens et al. (CLEO Collaboration)
Phys. Rev. Lett. 80, 3710 – Published 27 April 1998
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Abstract

In a sample of 6.6×106 produced B mesons we have observed decays BηK, with branching fractions B(B+ηK+)=(6.51.4+1.5±0.9)×105 and B(B0ηK0)=(4.72.0+2.7±0.9)×105. We have searched with comparable sensitivity for 17 related decays to final states containing an η or η meson accompanied by a single particle or low-lying resonance. Our upper limits for these constrain theoretical interpretations of the BηK signal.

  • Received 5 January 1998

DOI:https://doi.org/10.1103/PhysRevLett.80.3710

©1998 American Physical Society

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Vol. 80, Iss. 17 — 27 April 1998

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