A study of the Okubo-Zweig-Iizuka rule violations in $η_c\to VV$

Details A study of the Okubo-Zweig-Iizuka rule violations in $η_c\to VV$ A study of the Okubo-Zweig-Iizuka rule violations in $η_c\to VV$

2006-02-23

arxiv.org/abs/hep-ph/0602216v2

Phys.Lett.B636:197-200,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 figure; typos corrected; version to appear in Phys. Lett. B

Scientific paper

10.1016/j.physletb.2006.03.043

We discuss the Okubo-Zweig-Iizuka (OZI) rule violation effects in $\eta_c\to VV$ in light of the new data from BES Collaboration. In particular, a possible non-vanishing branching ratio for $\eta_c\to \omega\phi$ provides a hint of the degrees of OZI violations based on a recent factorization proposed for charmonium hadronic decays. The violation mechanism is studied via an intermediate meson exchange model. The results are consistent with the experimental observations.

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