gauge theory

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Related to Interaction Lagrangian: Yang-Mills field

gauge theory

n. Physics
Any of various theories based upon a gauge symmetry. Current fundamental theories, such as the standard model of particle physics, are gauge theories.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

gauge theory

n
(Nuclear Physics) physics a type of theory of elementary particles designed to explain the strong, weak, and electromagnetic interactions in terms of exchange of virtual particles
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Here, [L.sub.I] (x) and [[??].sub.I](x) are interaction Lagrangian in usual and tilde Hilbert space, respectively.
Abelian part of the interaction Lagrangian (1), which will be used in further considerations, includes the interactions with physical photon A and Z boson:
Using interaction Lagrangian in (7) anomalous decay widths of t' quarks can be obtained as follows:

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