Abstract

xotic hadron states, which are called XYZ particles also, are beyond the quark model scope, even though they are allowed by the Quantum Chromodynamics. As a $\tau$-charm factory, BESIII experiment has collected the largest electron-positron collision data in the $\tau$-charm region, which could be used to study XYZ states. In this paper, the recent results from BESIII about X(3872) and vector Charmonium-like states will be reviewed.

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