Summary: You read that correctly. Amid all the excitement about the comet landing, researchers at CERN have detected two new particles with the LHCb experiment. These particles were predicted to exist by the quark model but had never been observed. And now we are pleased to introduce yo to Xi_b' and Xi_b*. Super exciting names I know but maybe they will become fancier in the future.
Both of these particles contain one beauty quark, one strange quark, and one down quark. They are more than six times as massive as the proton. They have different spins (a weird quantum mechanical property that describes their angular momentum).
So this is super exciting, because finding more proof for your theories is always good. And now I am off to find out why I have never heard of a beauty quark before. UPDATE: Apparently it is another name for the bottom quark.
Symmetry Mag
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