| Issue |
EPJ Web Conf.
Volume 303, 2024
The 16th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon (MENU 2023)
|
|
|---|---|---|
| Article Number | 01025 | |
| Number of page(s) | 8 | |
| Section | Hadron Spectroscopy | |
| DOI | https://doi.org/10.1051/epjconf/202430301025 | |
| Published online | 25 September 2024 | |
https://doi.org/10.1051/epjconf/202430301025
Light Meson Decays at BESIII
Institute of Nuclear Physics, University of Münster, Wilhelm-Klemm-Straße 9, 48149 Münster, Germany
* e-mail: n_inde01@uni-muenster.de
Published online: 25 September 2024
The 10 billion J/ψ decays collected with the BESIII experiment offer a unique opportunity to investigate the decays of η and η′ mesons produced in the radiative J/ψ → γη(′) transitions. Using this clean production mechanism, the BESIII experiment is making important contributions to precision studies of the strong and electromagnetic interactions in η(′) decays. Three papers are presented in which the decays η → π+π−π0, η → π0π0π0, η′ → ηπ0π0π0, and η′ → π+π−e+e− are studied to test C and CP symmetry, as well as the predictions of different effective field theories.
© The Authors, published by EDP Sciences, 2024
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