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New nonperturbative scales and glueballs in confining gauge theories

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Date and time Nov 21, 2017
from 03:10 PM to 04:00 PM
Location 60 St. George Street, MP 1115
Host Erich Poppitz

Mohamed Anber

Lewis and Clark College

Studying confining gauge theories on a circle can provide answers to some of the deepest questions about QCD. In this talk, I start by summarizing the main characteristics shared by the compactified theories and their four dimensional cousins. Next, I show that the glueball spectrum of the compactified theories is much richer than what have been thought before. In particular, new nonperturbative scales and glueballs emerge in the deep IR regime of the theory. I discuss the spectrum in the context of super Yang-Mills and show that the lightest glueball states fill a chiral supermultiplet with doubly-nonperturbative binding energy. I end with possible implications of these findings for the four dimensional gauge theories.

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