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Beijing Electron Positron Collider (BEPCII)

  1. Home>Facilities>Particle and Nuclear Physics>Beijing Electron Positron Collider (BEPCII)>News
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  • Observation of charmonium hc radiative decays to multiple light hadrons and the tensor state f2 (1270)
    Observation of charmonium hc radiative decays to multiple light hadrons and the tensor state f2 (1270)
    The BESIII Collaboration recently reported “Observation of charmonium hc radiative decays to multiple light hadrons and the tensor state f2 (1270)”.
    Jun 18, 2025
  • Test of Local Realism via Entangled ΛΛ System
    Test of Local Realism via Entangled ΛΛ System
    The BESIII Collaboration has achieved a landmark violation of Bell inequalities using entangled hyperon pairs,marking a pivotal test of quantum nonlocality in high-energy physics.
    Jun 04, 2025
  • Observation of new modes of Ds decay into Vector-Vector final states
    Observation of new modes of Ds decay into Vector-Vector final states
    The BESIII collaboration recently reported the observation of the W-Annihilation Process Ds+→ωρ+ and the measurement of Ds+→ϕρ+.
    May 26, 2025
  • Observation of the Charmonium Decay ηc→γγ in J/ψ→γηc
    Observation of the Charmonium Decay ηc→γγ in J/ψ→γηc
    The BESIII Collaboration recently reported “Observation of the charmonium decay ηc→γγ in J/ψ→γηc”.
    May 16, 2025
  • Observation of an axial-vector state in the decay ψ(3686)→ϕηη'
    Observation of an axial-vector state in the decay ψ(3686)→ϕηη'
    The BESIII Collaboration recently reported “Observation of an axial-vector state in the study of the decay ψ(3686)→ϕηη'  ”
    May 15, 2025
  • The X(2370) paper from the BESIII experiment was selected into PRL Collection of the most important papers in 2024
    The X(2370) paper from the BESIII experiment was selected into PRL Collection of the most important papers in 2024
    The X(2370) paper from the BESIII experiment was selected into PRL Collection of the most important papers in 2024.
    Apr 24, 2025
  • Evidence for Two Excited Ω- Hyperons
    Evidence for Two Excited Ω- Hyperons
    The BESIII collaboration recently reported the evidence for two excited Ω- hyperons.
    Apr 08, 2025
  • Special topic on the 50th Anniversary of the Discovery of the Charm Quark and the BESIII Experiment  (in Chinese)
    Special topic on the 50th Anniversary of the Discovery of the Charm Quark and the BESIII Experiment  (in Chinese)
    Special topic on the 50th Anniversary of the Discovery of the Charm Quark and the BESIII Experiment  (in Chinese)
    Mar 24, 2025
  • Observation of D+→η' μ+νμ and First Experimental Study of D+→η' l+νl Decay Dynamics
    Observation of D+→η' μ+νμ and First Experimental Study of D+→η' l+νl Decay Dynamics
    Mar 19, 2025
  • Precision measurement of Ξ0→Λγ at BESIII
    Precision measurement of Ξ0→Λγ at BESIII
    The BESIII Collaboration recently reported “Measurement of the decay Ξ0→Λγ with entangled Ξ0Ξ0 pairs”
    Feb 26, 2025
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