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arXiv · hep-ph/0703304

Light Four-quark States and New Observations by BES

Ailin Zhang·Tao Huang·Tom Steele
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Abstract

Four-quark states are discussed within the constituent quark model. Incompleteness of existed studies of four-quark state with QCD sum rule is analyzed. The masses of diquark cluster were determined by QCD sum rules, and light four-quark states masses were obtained in terms of the diquark. The four-quark state possibility of the newly observed near-threshold p\bar p enhancement, X(1835), X(1812) and X(1576) by BES is discussed.

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Ailin Zhang, Tao Huang, Tom Steele. 2007-03-29. Light Four-quark States and New Observations by BES. https://doi.org/10.1143/ptps.168.198

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