Calculating the running coupling in strong electroweak models

Z. Fodor, Kieran Holland, Julius Kuti, Dániel Nógrádi, Chris Schroeder

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Abstract

One possibility for Beyond Standard Model physics is a new strongly-interacting gauge theory. One way to determine if a non-abelian gauge theory is QCD-like or conformal is to measure the running of the renormalized gauge coupling. We define the renormalized coupling from Wilson loop ratios, and measure these ratios via lattice simulations. We test this method in SU(3) pure gauge theory and show some first results for simulations with dynamical fermions in the fundamental representation.

Original languageEnglish
JournalProceedings of Science
Volume91
Publication statusPublished - Jan 1 2009
Event27th International Symposium on Lattice Field Theory, LAT 2009 - Beijing, China
Duration: Jul 26 2009Jul 31 2009

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ASJC Scopus subject areas

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Fodor, Z., Holland, K., Kuti, J., Nógrádi, D., & Schroeder, C. (2009). Calculating the running coupling in strong electroweak models. Proceedings of Science, 91.