Higgs boson coupling as a probe of the sphaleron property

Sphaleron is a non-perturbative solution of electroweak gauge theories, which is crucially important for the scenario of electroweak baryogenesis. The sphaleron energy depends on details of the mechanism for the electroweak symmetry breaking. We find that in many of new physics models the deviation...

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Bibliographic Details
Main Authors: Shinya Kanemura, Masanori Tanaka
Format: Article
Language:English
Published: Elsevier 2020-10-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269320305141