PoS - Proceedings of Science
Volume 413 - The 10th International Workshop on Chiral Dynamics (CD2021) - Parallel-Goldstone Boson
Light Meson decays at BESIII
X. Kang
Full text: pdf
Pre-published on: February 06, 2024
Published on: March 07, 2024
Abstract
The BESIII experiment has accumulated the world largest J/psi sample, its radiative or hadronic decays offer a unique opportunity to investigate physics in the low energy region. This report presents the recent highlights in eta and eta' decays at BESIII, including the first observation of decay eta'->pi+pi-mu+mu-, the study and search of CP violation in eta'->pi+pi-e+e-, the study of the rare decays eta'->4pi0 and eta'->gamma gamma eta, and the precision measurement of the branching fraction of eta and eta' decays.
DOI: https://doi.org/10.22323/1.413.0021
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