B decays dominated by omega-phi mixing

Details B decays dominated by omega-phi mixing B decays dominated by omega-phi mixing

2008-06-23

arxiv.org/abs/0806.3584v3

Phys.Lett.B666:185-188,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

paragraph added, submitted to Physics Letters B

Scientific paper

10.1016/j.physletb.2008.07.016

Recently Belle has established the 90% confidence level (CL) upper limit $\b < 9.4 \times 10^{-7}$ for the branching ratio for $B^0\to J/\psi \phi$, a process expected to be suppressed by the Okubo-Zweig-Iizuka (OZI) rule disfavoring disconnected quark diagrams. We use information on $\omega$--$\phi$ mixing to establish likely lower bounds on this and related processes. We find that the Belle result is about a factor of five above our limit, while other decays such as $B^0 \to \bar D^0 \phi$ and $B^+ \to \pi^+ \phi$, for which upper limits have been obtained by BaBar, could be observable with similar improvements in data. We argue that a significant enhancement of our predicted decay rates by rescattering is unlikely.

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