Study of B Meson Decays with Excited eta and eta' Mesons

Details Study of B Meson Decays with Excited eta and eta' Mesons Study of B Meson Decays with Excited eta and eta' Mesons

2008-04-02

arxiv.org/abs/0804.0411v3

Phys.Rev.Lett.101:091801,2008

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 1 postscript figure, published in PRL

Scientific paper

10.1103/PhysRevLett.101.091801

Using 383 million BBbar pairs from the BaBar data sample, we report results for branching fractions of six charged B-meson decay modes, where a charged kaon recoils against a charmless resonance decaying to KKbar* or etapipi final states with mass in the range (1.2-1.8)gev/c^2. We observe a significant enhancement at the low KK*bar invariant mass which is interpreted as B+ --> eta(1475)K+, find evidence for the decay B+ --> eta(1295)K+, and place upper limits on the decays B+ --> eta(1405)K+, B+ --> f_1(1285)K+, B+ --> f_1(1420)K+, and B+ --> phi(1680)K+.

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