$X(3960)$, $X_0(4140)$, and other compact $cs\bar{c}\bar{s}$ states

Shi-Yuan Li, Yan-Rui Liu, Zi-Long Man +2

We study the spectrum and rearrangement decays of S-wave $cs\bar{c}\bar{s}$ tetraquark states in a simplified quark model. The masses and widths are estimated by assuming that the…