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Observation of B->etarho+ and search for B0 Decays to eta'eta, etapi0, eta'pi0, and omegapi0

We present measurements of branching fractions for five B-meson decays to two-body charmless final states. The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 459 million BBbar pairs. The results for branching fractions are, in units of 10^{-6} (upper limits at 90% C.L.): BR(B+ -> etarho+) = 9.9 +/- 1.2 +/- 0.8, BR(B0 -> eta'eta) = 0.5 +/- 0.4 +/- 0.1 (<1.2), BR(B0 -> etapi0) = 0.9 +/- 0.4 +/- 0.1 (<1.5), BR(B0 -> eta'pi0) = 0.9 +/- 0.4 +/- 0.1 (<1.5), and BR(B0 -> omegapi0) = 0.07 +/- 0.26 +/- 0.02 (<0.5). The first error quoted is statistical and the second systematic. For the etarho+ mode, we measure the charge asymmetry Ach(B+ -> etarho+) = 0.13 +/- 0.11 +/- 0.02.

preprint2008arXivOpen access
The BABAR CollaborationB. Aubert
hep-ex
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Imported metadata coverageMissing code, dataset, citation and institution fields are tracked without dominating the paper.Details
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The BABAR CollaborationB. Aubert

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