One Explanation for the Exotic State Y(4260)

Details One Explanation for the Exotic State Y(4260) One Explanation for the Exotic State Y(4260)

2005-10-18

arxiv.org/abs/hep-ph/0510228v3

Phys.Lett.B639:263-265,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

five text pages, one ps figure. Version to appear in PLB

Scientific paper

10.1016/j.physletb.2006.06.038

In this Letter we interpret the Y(4260), a state recently discovered by the BaBar Collaboration that has a mass within the range of conventional charmonium states, as having a molecular-state structure. In our scheme this molecular-like state is not constructed out of two-quark mesons, but rather out of baryons, i.e., the Y(4260) is a baryonium state. With this interpretation, the unusual measured properties of the Y(4260) are easily understood and some further peculiar decay characteristics are predicted.

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