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MNN UK · March 17, 2026 · 1 min read

Scientists discover heavier proton variant at CERN’s Large Hadron Collider

What happened: Researchers at CERN have identified a new particle called Xi-cc-plus, a version of the proton that is four times heavier. This was detected using an upgraded detector during high-energy proton collisions at the Large Hadron Collider.

Why it matters:

  • The discovery provides new insights into the strong nuclear force that holds atomic nuclei together.
  • It advances fundamental physics research, potentially influencing future particle physics experiments and theories.

MNN Take: The finding helps scientists better understand the forces within atoms by studying particles created under extreme conditions similar to those just after the Big Bang. Such discoveries deepen knowledge of matter’s fundamental building blocks.

Sources: Guardian UK