Measurement of charmless $B$ Decays to $ηK^*$ and $ηρ$

Details Measurement of charmless $B$ Decays to $ηK^*$ and $ηρ$ Measurement of charmless $B$ Decays to $ηK^*$ and $ηρ$

2006-08-11

arxiv.org/abs/hep-ex/0608034v2

Physics

High Energy Physics

High Energy Physics - Experiment

14 pages, 5 figures, ICHEP2006 conference paper

Scientific paper

We report branching fractions and CP asymmetries for $B \to \eta K^*$ and $B \to \eta \rho$ decays. These results are obtained from a $414 {\rm fb}^{-1}$ data sample collected at the $\Upsilon(4S)$ resonance, with the Belle detector at the KEKB asymmetric energy $e^+ e^-$ collider. The branching fractions, in parts per million, of $\eta K^{*0}$, $\eta K^{*+}$, $\eta \rho^0$, and $\eta \rho^+$ are $15.9\pm 1.2 \pm 0.9$, $19.7^{+2.0}_{-1.9} \pm 1.4$, $0.84^{+0.56}_{-0.51} \pm 0.18$, and $4.1^{+1.4}_{-1.3} \pm 0.34$, respectively. We find no evidence for CP asymmetries in these modes.

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