To detect an X particle, all you have to do is make some quark-gluon plasma. Seems easy enough.
in a glossy room near the French-Swiss border. It’s too much data for any human to easily sift through.
Only in the 21st century have physicists been able to create it. One method that’s been shown to work is heavy-ion collision: smashing atomic nuclei together at very high speeds. Fortunately, experiments at LHC had been smashing heavy lead atoms together, leaving behind data trails in quark-gluon plasma for researchers to comb through.
The results tell us more about an artifact from the very earliest ticks of history. Quark-gluon plasma filled the universe in the first millionths of a second of its life, before what we recognize as matter—molecules, atoms, or even protons or neutrons—had formed.
France Dernières Nouvelles, France Actualités
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