LHC News
These particles contain four quarks - the fundamental constituent of the matter inside all the atoms of the universe: two quarks and two antiquarks.
Japan's SuperKEKB accelerator succeeded in circulating and storing a positron beam in the positron ring.
The primordial soup is a so-called quark-gluon plasma and researchers from the Niels Bohr Institute in Denmark, among others, have measured its liquid properties with great accuracy at the LHC's top energy.
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