New Spectroscopy with Charm and Beauty Multiquark States

Abstract

Exotic charmonium and bottonomium resonances recently discovered are discussed and interpreted as diquark-antidiquark states containing a pair of charm quarks and a pair of light, up and down, quarks. Successes, shortcomings and predictions of the model are illustrated.

Talk given at the Erice School of Subnuclear Physics, June 30, 2013, Ettore Majorana Foundation and Center for Science and Culture, Erice, Italy

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