Fang Shuang-Shi
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China.
Natl Sci Rev. 2021 Mar 31;8(11):nwab052. doi: 10.1093/nsr/nwab052. eCollection 2021 Nov.
Studies of light meson decays are important tools to perform precision tests of the effective field theories, determine transition form factors and test fundamental symmetries. With very high statistics data samples, the Beijing Spectrometer III (BESIII) experiment provides a unique laboratory for light meson studies and is contributing significantly to a variety of these investigations. A brief review of recent progress in light meson decay studied at the BESIII experiment, including detailed studies of common decay dynamics, searches for rare/forbidden decays and new particles, is presented. Finally, together with descriptions of different experimental techniques, prospects for future studies of light mesons are discussed in some detail.
轻介子衰变研究是对有效场论进行精确检验、确定跃迁形状因子和检验基本对称性的重要工具。北京谱仪III（BESIII）实验凭借极高统计量的数据样本，为轻介子研究提供了一个独特的实验室，并在各类此类研究中做出了重大贡献。本文简要回顾了在BESIII实验中轻介子衰变研究的最新进展，包括对常见衰变动力学的详细研究、对稀有/禁戒衰变和新粒子的搜寻。最后，结合不同实验技术的介绍，较为详细地讨论了轻介子未来研究的前景。
