Discovery of the Doubly Charmed ${\mathrm{Ξ}}_{cc}$ Baryon Implies a Stable $bb\overline{u}\overline{d}$ Tetraquark

Author(s): Marek Karliner and Jonathan L. Rosner

A pair of theory papers use the recently discovered double-charmed baryon to predict double-beauty tetraquarks.

[Phys. Rev. Lett. 119, 202001] Published Wed Nov 15, 2017