quantum chromodynamics

CERN experiment finds evidence that challenges how physicists explain gluon behavior

A new measurement from CERN's ALICE experiment has provided the sharpest view yet of how gluons behave inside atomic nuclei, challenging the long-standing theoretical framework known as nuclear shadowing and offering evidence for a competing phenomenon called gluon saturation.

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Chinese physicists confirm glueball, a new form of matter made entirely of force

Physicists have established the most direct evidence yet that gluons — the particles carrying the strong nuclear force — can bind together to form an entirely new kind of matter, resolving a nearly 50-year quest in particle physics.