Nature, Published online: 04 February 2026; doi:10.1038/s41586-025-09920-0

The STAR experiment at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory demonstrates evidence of spin correlations in $$\Lambda \bar{\Lambda }$$ Λ Λ ¯ hyperon pairs inherited from virtual spin-correlated strange quark–antiquark pairs during QCD confinement.

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