#PhysicsNEWS @Phytimes First detection of exotic 'X' particl | The Physics Times

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First detection of exotic 'X' particles in quark-gluon plasma
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 combinations before cooling and settling into more stable configurations to make the neutrons and protons of ordinary matter.
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