BESIII sets world’s most stringent direct limit on Lambda hyperon electric dipole moment

September 3, 2026 · 6:00 pm 1 sources

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• BESIII sets world's most stringent direct limit on Lambda hyperon electric dipole moment
  Phys.org · September 3, 2026 18:00
  The BESIII Collaboration, led by the Institute of High Energy Physics of the Chinese Academy of Sciences, has achieved the world's most precise measurement of the electric dipole moment (EDM) of the Lambda (Λ) hyperon using quantum-entangled Λ–anti-Λ pairs produced in J/ψ decays. The result…