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Study of Charmonium(-like) Spectroscopy and Decay at BESIII

by Weimin Song

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Submission summary

Authors (as registered SciPost users): Weimin Song
Submission information
Preprint Link:  (pdf)
Date accepted: 2023-07-04
Date submitted: 2022-12-15 02:26
Submitted by: Song, Weimin
Submitted to: SciPost Physics Proceedings
Proceedings issue: 51st International Symposium on Multiparticle Dynamics (ISMD2022)
Ontological classification
Academic field: Physics
  • High-Energy Physics - Experiment
Approach: Experimental


The recent results on Charmonium and Charmonium-like states at BESIII are reviewed, including the observation of $\rm Z_{cs}(3985)$ state, the study of the new decay modes of $\psi_2(3823)$ state, observation of resonance structure in $\rm e^+e^- \to \pi^+\pi^-\psi_2(3823)$ process, the study of the $\rm e^+e^- \to K^+K^-J/\psi$ process, cross section measurement of $\rm e^+e^- \to \omega\pi^0$ and $\omega\eta$ process, branching fraction measurement of $\psi(3686)\to\bar{\Sigma}^0\Lambda + c.c.$ process. Decay channels for $\chi_{cJ} \to \Lambda\bar{\Lambda}$, $\chi_{cJ} \to \Lambda\bar{\Lambda}\eta$, $\psi(3686) \to \Lambda\bar{\Lambda}\omega$ and $\eta_c(2S)\to3(\pi^+\pi^-)$ are also discussed. The property of the spin singlet P wave Charmonium state, $\rm h_c$ is also reported.

Author comments upon resubmission

Dear Referees,

Thanks very much, and all your suggested modifications have been modified.

Best wishes,

Weimin for the BESIII Collaboration

Published as SciPost Phys. Proc. 15, 017 (2024)

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