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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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

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spelling	doaj-4ba2c9ea9a8b4a7db8a66af6cafd60fc2020-11-25T03:12:01ZengElsevierPhysics Letters B0370-26932020-10-01809135711Higgs boson coupling as a probe of the sphaleron propertyShinya Kanemura0Masanori Tanaka1Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, JapanCorresponding author.; Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, JapanSphaleron 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 of the sphaleron energy from the prediction in the standard model is proportional to that of the triple Higgs boson coupling with opposite signs. This interesting relation would be useful to determine the sphaleron energy by measuring this couplings at future collider experiments.http://www.sciencedirect.com/science/article/pii/S0370269320305141
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Shinya Kanemura Masanori Tanaka
spellingShingle	Shinya Kanemura Masanori Tanaka Higgs boson coupling as a probe of the sphaleron property Physics Letters B
author_facet	Shinya Kanemura Masanori Tanaka
author_sort	Shinya Kanemura
title	Higgs boson coupling as a probe of the sphaleron property
title_short	Higgs boson coupling as a probe of the sphaleron property
title_full	Higgs boson coupling as a probe of the sphaleron property
title_fullStr	Higgs boson coupling as a probe of the sphaleron property
title_full_unstemmed	Higgs boson coupling as a probe of the sphaleron property
title_sort	higgs boson coupling as a probe of the sphaleron property
publisher	Elsevier
series	Physics Letters B
issn	0370-2693
publishDate	2020-10-01
description	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 of the sphaleron energy from the prediction in the standard model is proportional to that of the triple Higgs boson coupling with opposite signs. This interesting relation would be useful to determine the sphaleron energy by measuring this couplings at future collider experiments.
url	http://www.sciencedirect.com/science/article/pii/S0370269320305141
work_keys_str_mv	AT shinyakanemura higgsbosoncouplingasaprobeofthesphaleronproperty AT masanoritanaka higgsbosoncouplingasaprobeofthesphaleronproperty
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Higgs boson coupling as a probe of the sphaleron property

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