Title

Two-Body B meson decays to η and η′: Observation of B→η′K

Document Type

Article

Publication Date

1-1-1998

Abstract

In a sample of 6.6×10 produced B mesons we have observed decays B→η′K, with branching fractions B(B →η′K)=(6.5 ±0.9)×10 and B(B →η′K)=(4.7 ±0.9)×10 . 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 B→η′K signal. © 1998 The American Physical Society. 6 + +1.5 -5 0 +2.7 -5 -1.4 -2.0

Publication Name

Physical Review Letters

Volume Number

80

First Page

3710

Last Page

3714

Issue Number

17

DOI

10.1103/PhysRevLett.80.3710

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