Bizarre quantum experiment shows protons have more ‘charm’

Protons may have more “charm” than we thought, new research suggests.

A proton is one of the subatomic particles that make up the nucleus of an atom. As small as protons are, they are made up of even smaller particles. elementary particles (opens in a new tab) known as quarks, which come in a variety of “flavors” or types: up, down, weird, lovely, bottom, and top. It is generally believed that a proton is made up of two up quarks and one down quark.

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