Canonical interpretation of the $X(4140)$ state within the ${}^3{P}_0$ model

Wei Hao, Guan-Ying Wang, En Wang +2

Recently, the LHCb Collaboration has confirmed the state $X(4140)$, with a mass $M=4146.5\pm 4.5_{-2.8}^{+4.6}$~MeV, and a much larger width $\Gamma =83\pm 21_{-14}^{+21}$~MeV than the pr…