LHC reports pentaquark sightings

Collider offers new evidence for five-part particles

INSIDE A PENTAQUARK Two particles discovered at the Large Hadron Collider are made up of five quarks: two up (u), one down (d), one charm (c) and one anticharm (c̅).

By Andrew Grant

July 14, 2015 at 5:44 pm - More than 2 years ago

Quarks, the elementary units of matter found in every atomic nucleus, are surprisingly comfortable in large crowds.

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