One Explanation for the Exotic State Y(4260)

Preprint

10 April 2006

preprint
Published by arXiv in arXiv

Abstract

We find in this work that the newly discovered state Y(4260), which has a mass within the scope of conventional charmonium states, by the BaBar Collaboration could be embedded in the molecular state structure. Whereas, in this assignment the molecular-like state is not constructed by two-quark mesons, but rather by baryons. That is to say that the experimental observation of Y(4260) is possibly a baryonium. By this interpretation, the measured unique nature of the state can be easily understood, and some peculiar characters of it are predicted.

Keywords

NEWLY DISCOVERED
DISCOVERED STATE
MOLECULAR STATE
MOLECULAR LIKE
COLLABORATION
EXOTIC STATE
EXPLANATION
TWO QUARK

All Related Versions

Version 1, 2005-10-18, ArXiv
Version 2, 2006-04-10, ArXiv
Version 3, 2006-06-21, ArXiv
Published version: Physics Letters B, 639 (3-4), 263.

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