Abstract

The possible decays of four-quark mesons are studied by assigning the newly observed BABAR resonance to a four-quark meson, ${F}_{I}^{+}\ensuremath{\sim}[\mathrm{cq}][\overline{s}\overline{q}]$ with $q=u,d.$ It is expected that some of them can be observed as narrow resonances. The implication of the existence of four-quark mesons in hadronic weak interactions is also discussed.

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