Fully-heavy tetraquarks and other heavy multiquarks

Abstract

A review is presented of some discussions about the fully-heavy tetraquarks made of two charmed quarks and two anticharmed antiquarks, and other multiquark states involving some heavy flavors.

Comments: Contribution to the 23rd Int. Conf.in Quantum Chromodynamics (QCD 20, 35 years later), 29 June - 3 July 2015, Montpellier, France