High-energy nuclear collisions recreate extreme conditions similar to those in the early universe, producing quark-gluon plasma (QGP), a hot state of matter in which quarks and gluons are no longer confined inside protons and neutrons. While large systems such as lead-lead collisions can produce matter that behaves like a fluid, collective behavior has also been observed in smaller systems.
High-energy nuclear collisions recreate extreme conditions similar to those in the early universe, producing quark-gluon plasma (QGP), a hot state of matter in which quarks and gluons are no longer confined inside protons and neutrons. While large systems such as lead-lead collisions can produce matter that behaves like a fluid, collective behavior has also been observed in smaller systems.
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