Study of Charmonium(-like) Spectroscopy and Decay at BESIII
@inproceedings{Song2022StudyOC,
title={Study of Charmonium(-like) Spectroscopy and Decay at BESIII},
author={Weimin Song},
year={2022}
}The recent results on Charmonium and Charmonium-like states at BESIII are reviewed, in-cluding the observation of Z cs ( 3985 ) state, the study of the new decay modes of ψ 2 ( 3823 ) state, observation of resonance structure in e + e − → π + π − ψ 2 ( 3823 ) process, the study of the e + e − → K + K − J /ψ process, cross section measurement of e + e − → ωπ 0 and ωη process, branching fraction measurement of ψ ( 3686 ) → ¯ Σ 0 Λ + c . c . process. Decay channels for χ cJ → Λ ¯ Λ , χ cJ…
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