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Canonical interpretation of the $X(4140)$ state within the $^3P_0$ model

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arxiv 2009.01405 v1 pith:2FYJH62D submitted 2020-09-03 hep-ph

classification hep-ph
keywords interpretationstatecanonicalcollaborationconfirmedconfusedconsideringdecay
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abstract

Recently, LHCb collaboration has confirmed the state $X(4140)$, with a much larger width $\Gamma= 83\pm 21^{+21}_{-14}$ MeV than the previous experimental measurements, which has confused the understanding of its nature. We have investigated the possibility of the $\chi_{c1}(3P)$ interpretation for the $X(4140)$, considering the mass and the strong decay properties.

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