Speaker
Dr
Roberto Mussa
(INFN TORINO)
Description
After a dozen of very lively years, the spectra of heavy quarkonia below thresholds are almost complete; the last system to be explored is the Bc meson. Since few years, most discoveries happened close to open flavor thesholds, and four quark systems have attracted interest as the new spectroscopy frontier. This review will cover the unresolved questions on conventional quarkonia, the links between these spectra and the ones of heavy-light mesons and baryons, and the state-of-the-art of the so called XYZ zoo .
Primary author
Dr
Roberto Mussa
(INFN TORINO)