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Friday, December 12, 2014 at 12:30pm to 1:30pm
Physical Sciences Building, 401
245 East Avenue
Eric Braaten, Ohio State University.
Making Sense of the XYZ Mesons from QCD
The XYZ mesons are unexpected mesons containing a heavy quark and antiquark that have been discovered in the last decade. Their number has grown to about two dozen. Many of them are surprisingly narrow, and several are electrically-charged tetraquark mesons. Their existence presents a serious challenge to our understanding of the spectrum of QCD. I will explain how the Born-Oppenheimer approximation may provide a framework for understanding the XYZ mesons.
Katerina Malysheva
5-5722
Eric Braaten
Ohio State University
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