University of Minnesota
School of Physics & Astronomy

Physics and Astronomy Calendar

Thursday, September 24th 2015
3:35 pm:
Physics and Astronomy Colloquium in 230 STSS/Bruininks Hall
Speaker: Mikhail Voloshin, University of Minnesota
Subject: Exotic Mesons and Baryons
Refreshments to be served outside 230 SSTS after the colloquium.

According to the original quark model template there are mesons consisting of a quark and an antiquark, and baryons made from three quarks. Strongly interacting particles that do not fit this template are called exotic. Experimental findings of recent years have uncovered existence of exotic mesons: tetraquarks, and baryons: pentaquarks, containing an additional heavy quark-antiquark pair. I discuss properties of such particles and the current theoretical approaches to understanding their internal dynamics.

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