Physicists have finally figured out how pentaquarks are built

Scientists pinpoint the structure of the five-quark particles

pentaquark illustration

KEEP CALM AND BARYON  Pentaquarks are made from two sets of smaller particles, a baryon (red), which has three quarks, and a meson (gray), which has one quark and one antiquark.

Daniel Dominguez/CERN

To make a quark quintet, combine a trio and a duo.