A POSSIBLE INTERPRETATION FOR THE ξ(2.2) OBSERVED IN THE J/ψ RADIATIVE DECAYS |
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| Authors: | CHAO Kuang-ta |
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| Affiliation: | Theoretical Physics Institute, Peking University, Beijing, China |
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| Abstract: | We interpret the ξ(2.2) as an orbitally excited (L=2) four quark state qsqs (q=u,d) which would decay into Kk via qq annihilation or rearrangement with a typical width of 0(10 MeV). The possibility of interpreting the θ(1.7) as an S-wave qsqs state is also discussed. |
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