Beijing Spectrometer(BESIII) Experiment----Institute of High Energy Physics, Chinese Academy of Sciences

Highlights

First Measurement of the Ds⁺→K⁰μ⁺ν<sub>μ</sub> Decay<span></span>

First Measurement of the Ds⁺→K⁰μ⁺ν_μ Decay
The BESIII collaboration has reported the study of “First Measurement of the Ds⁺→K⁰μ⁺νμ Decay” and the first measurement for the semileptonic muonic decay in the Ds⁺→K⁰ transition was r...

BESIII Experiment Observes Threshold Enhancement Effect in Dipion System
Recently, the BESIII international collaboration experiment achieved a major breakthrough in charmonium decay research by, for the first time, observing a distinct "resonance-like" structure at the...

Observation of New Radiative Decays of Excited Hyperons Λ(1520)/Λ(1690) at BESIII
On April 8, 2026, the BESIII Collaboration achieved a significant breakthrough in the study of electromagnetic radiative decays of excited hyperons: for the first time, the radiative decays of the ...

Study of the Magnetic Dipole Transition of J/ψ → γη<sub>c</sub> via η<sub>c</sub> → ppbar

Study of the Magnetic Dipole Transition of J/ψ → γη_c via η_c → ppbar
The BESIII collaboration has reported “Study of the Magnetic Dipole Transition of J/ψ → γηc via ηc → ppbar”. These results have been published in Physical Review Letters on 3rd Feb 2026 ...