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arXiv · 1206.6911

On the Nature of X(4260)

L. Y. Dai·Meng Shi·Guang-Yi Tang·H. Q. Zheng
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Abstract

We study the property of $X(4260)$ resonance by re-analyzing all experimental data available, especially the $e^+e^- \rightarrow J/\psi\,\pi^+\pi^-,\,\,\,\omega\chi_{c0}$ cross section data. The final state interactions of the $\pi\pi$, $K\bar K$ couple channel system are also taken into account. A sizable coupling between the $X(4260)$ and $\omega\chi_{c0}$ is found. The inclusion of the $\omega\chi_{c0}$ data indicates a small value of $\Gamma_{e^+e^-}=23.30\pm 3.55$eV.

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L. Y. Dai, Meng Shi, Guang-Yi Tang, H. Q. Zheng. 2012-06-28. On the Nature of X(4260). https://doi.org/10.1103/physrevd.92.014020

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