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• CERN’s upgraded Large Hadron Collider detects rare Xi-cc-plus particle four times heavier than a proton

  Published: May 2, 2026

  Section: Research

  Physicists at the Large Hadron Collider (LHC) have discovered a rare subatomic particle, the Xi-cc-plus baryon, which serves as a heavy-duty cousin to the proton. Announced in Marc...

• CERN Discovery of Heavy Proton Cousin Resolves Two-Decade Mystery in Subatomic Particle Physics

  Published: Mar 19, 2026

  Section: Science & Tech

  Physicists at the Large Hadron Collider have identified the Ξcc⁺ particle, a heavy relative of the proton containing two charm quarks. Detected by the upgraded LHCb experiment, thi...