$ξ(2230)$ is likely to be a glueball

Details $ξ(2230)$ is likely to be a glueball $ξ(2230)$ is likely to be a glueball

1995-02-28

arxiv.org/abs/hep-ph/9502408v1

Commun.Theor.Phys.24:373-376,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages in Latex, talk presented at the CCAST Workshop on Tau-Charm Factory, Beijing, November 1994

Scientific paper

On the basis of the recent results of $\xi(2230)\rightarrow \pi^+\pi^-, p\bar p$ and $\xi(2230)\rightarrow K^+K^-,~K_SK_S$, measured by the BES Collaboration in $J/\psi$ radiative decays, combined with the PS185 experiment of $p\bar p\rightarrow \xi(2230)\rightarrow K\bar K$, we argue that because of its very narrow partial decay widths to $\pi\pi$ and $K\bar K$ ( less than $1~MeV$ ), its large production rate in $J/\psi$ radiative decays, and its flavor- symmetric couplings to $\pi\pi$ and $K\bar K$, the $\xi(2230)$ is very likely to be a $J^{PC}=(even)^{++}$ glueball.

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