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High Energy Physics Seminar - Eric Braaten (The Ohio State University) "Making Sense of the XYZ Mesons from QCD"

September 15, 2014
3:00PM - 4:00PM
4138 Physics Research Building

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Add to Calendar 2014-09-15 15:00:00 2014-09-15 16:00:00 High Energy Physics Seminar - Eric Braaten (The 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  can be used to begin to understand the XYZ mesons.  4138 Physics Research Building Department of Physics physics@osu.edu America/New_York public

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  can be used to begin to understand the XYZ mesons.