Physicists at the world's largest atom smasher have detected a mysterious, primordial particle from the dawn of time. About 100 of the short-lived "X" particles — so named because of their unknown ...
Physicists have found evidence of X particles in the quark-gluon plasma produced in the Large Hadron Collider (LHC) at CERN, the European Organization for Nuclear Research, based near Geneva, ...
In the first millionths of a second after the Big Bang, the universe was a roiling, trillion-degree plasma of quarks and gluons — elementary particles that briefly glommed together in countless ...
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