Three cousins join family of four-quark particles

Large Hadron Collider finds heavier versions of strange-charm combinations

Large Hadron Collider LHCb

QUARK QUARTET FINDER  Scientists with the Large Hadron Collider’s LHCb experiment (shown) have found a family of four particles made up of four quarks each.

CERN

An exotic particle now has three new cousins, making for a happy family of four.

Scientists with the LHCb experiment, located at the Large Hadron Collider near Geneva, announced the discovery of the particle’s new cousins in two papers published online at arXiv.org