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| Main Author: | |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2405.07734 |
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Table of Contents:
- We present the recent measurements of the $e^+e^-\to K^+K^- J/ψ$ process carried out by the BESIII experiment. A new decay mode $Y(4230)\to K^+K^- J/ψ$ is firstly identified by BESIII. Furthermore, two vector charmoniumlike states, $Y(4500)$ and $Y(4710)$, are reported for the first time in the energy-dependent line shape of $e^+e^-\to K^+K^- J/ψ$ cross section. In additon, an investigation of the $K^\pm J/ψ$ system is conducted to explore charged charmoniumlike states.