Exotic Quarkonium Spectroscopy: X(3872), Zb(10610), and Zb(10650) in Non-Relativistic Effective Theory
Abstract
This talk summarizes recent developments in quarkonium spectroscopy. I comment on the relation between the Zb(10610) and Zb(10650) and recently observed Zc(3900) and Zc(4025) states. Then I discuss a number of calculations using non-relativistic effective field theory for the X(3872), Zb(10610), and Zb(10650), under the assumption that these are shallow molecular bound states of charm or bottom mesons.
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