University of Minnesota
School of Physics & Astronomy

Physics and Astronomy Calendar

Friday, March 11th 2016
11:15 am:
Speaker: Mikhail Voloshin, University of Minnesota
Subject: Heavy Exotic Mesons and Baryons

According to the original quark model template there are mesons consisting of a quark and anantiquark, 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. All such well established exotic states contain heavy quarks (c or b). I discuss some properties of such particles and the current theoretical approaches to understanding their internal dynamics.

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