Tag: Laboratory for Nuclear Science

Scientists make 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. In the chaos before cooling, a […]

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Kerstin Perez is searching the cosmos for signs of dark matter

Kerstin Perez is searching for imprints of dark matter. The invisible substance embodies 84 percent of the matter in the universe and is thought to be a powerful cosmic glue, keeping whole galaxies from spinning apart. And yet, the particles themselves leave barely a trace on ordinary matter,  thwarting all efforts at detection thus far. […]

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