[local physicists] FW: Colloquium Announcement: Dr. Matthew Shepherd 4/22/2014

Malin, Delicia M. dmalin at odu.edu
Tue Apr 22 09:57:25 EDT 2014

Old Dominion University
Department of Physics

Spring Colloquium

Tuesday, April 22, 2014

"The Ongoing Quest to Understand the QCD Spectrum of Mesons"

Dr. Matthew Shepherd
Indiana University

For many decades the conventional quark anti-quark picture of mesons has provided a satisfactory description of the experimentally observed spectrum of mesons.  In recent years, strong experimental evidence of meson states that cannot be formed by a quark anti-quark pair has emerged.  At the same time, recent first-principles calculations of the meson spectrum from quantum chromodynamics (QCD) have suggested the presence of unconventional meson states.  However, the correspondence between newly-discovered unconventional states and predicted states is not immediately apparent.  In this talk I'll motivate using meson spectroscopy as a tool for studying QCD, discuss a selection of recent experimental results, and future prospects for studying the meson spectrum.

Presentation: OCNPS 200 @ 3:00 pm
Refreshments: OCNPS 200 Atrium @ 2:30 pm
All interested persons are cordially invited to attend.

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