Physicists have found new signs that fiery particle collisions within a giant accelerator two years ago created a state of matter identical to what might have been the stuff of the newborn universe.
MATTER SPLATTER. A near-light-speed impact of a gold nucleus and a deuteron–the nucleus of the hydrogen isotope deuterium–spews subatomic particles whose trajectories appear as colored streaks on this diagram of a huge detector called STAR.
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