BESIII has announced an observation of the structure at the kinematical threshold in the $D_{s}^{-}D^{*0}(D_{s}^{*-}D^{0})$ mass distribution, which is interpreted as a tetraquark candidate, called $Z_{cs}(3985)^{-}$.
This is the first candidate for a tetraquark meson containing hidden-charm with non-zero strangeness.
In addition, BESIII has been devoting on the studies on the nonstrange charmoniumlike $Z_{c}$ states for years and produced many interesting results.
We report the discovery of the $Z_{cs}(3985)^{-}$ and the progress of studies on the $Z_{c}$ states
Observation of the $Z_{cs}(3985)^{-}$ and studies on the $Z_{c}$ states at BESIII
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Pre-published on:
September 14, 2021
Published on:
November 10, 2021
Abstract
DOI: https://doi.org/10.22323/1.385.0046
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.