# Observation of $B \to \eta\rho^+$ and search for $B^0$ Decays to $\eta'\eta, \eta\pi^0, \eta'\pi^0$, and $\omega\pi^0$

Abstract : 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.
Document type :
Journal articles

http://hal.in2p3.fr/in2p3-00273783
Contributor : Swarna Bassava <>
Submitted on : Wednesday, April 16, 2008 - 11:53:14 AM
Last modification on : Thursday, April 8, 2021 - 4:26:02 PM

### Citation

B. Aubert, M. Bona, Y. Karyotakis, J.P. Lees, V. Poireau, et al.. Observation of $B \to \eta\rho^+$ and search for $B^0$ Decays to $\eta'\eta, \eta\pi^0, \eta'\pi^0$, and $\omega\pi^0$. Physical Review D, American Physical Society, 2008, 78, 011107 (8 p.). ⟨10.1103/PhysRevD.78.011107⟩. ⟨in2p3-00273783⟩

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