On the Nature of X(4260)

L. Y. Dai, Meng Shi, Guang-Yi Tang +1

We study the property of $X(4260)$ resonance by re-analyzing all experimental data available, especially the $e^{+}{e}^{-}\to J/\psi {\pi }^{+}{\pi }^{-},\omega {\chi }_{c0}$ cross section data. The…