Searching for a light Higgs boson via the Yukawa process at lepton colliders

Searching for a light Higgs boson via the Yukawa process at lepton colliders

We explore the prospect of Yukawa production of a light boson which can exist in an extended Higgs sector. A particularly interesting case is the light pseudoscalar in Type-X two Higgs doublet model which can explain the anomalous magnetic moment of muon at large tan⁡β. Considering ILC Higgs factory...

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Main Authors: Eung Jin Chun, Tanmoy Mondal
Format: Article
Language:English
Published: Elsevier 2020-03-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269319309128
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spelling doaj-0878207a53f24f8aa043de2243eb40ed2020-11-25T02:05:11ZengElsevierPhysics Letters B0370-26932020-03-01802Searching for a light Higgs boson via the Yukawa process at lepton collidersEung Jin Chun0Tanmoy Mondal1Korea Institute for Advanced Study, Seoul 02455, Republic of KoreaCorresponding author.; Korea Institute for Advanced Study, Seoul 02455, Republic of KoreaWe explore the prospect of Yukawa production of a light boson which can exist in an extended Higgs sector. A particularly interesting case is the light pseudoscalar in Type-X two Higgs doublet model which can explain the anomalous magnetic moment of muon at large tan⁡β. Considering ILC Higgs factory with s=250 GeV, we show that the available parameter space can be fully examined by the (tau) Yukawa process at 5σ. We also demonstrate the mass reconstruction of such a light particle which helps to sizably minimize the background events. Keywords: Two Higgs doublet models, Light (pseudo)scalar, Lepton collider, ILC, Yukawa process, Higgs factoryhttp://www.sciencedirect.com/science/article/pii/S0370269319309128
collection DOAJ
language English
format Article
sources DOAJ
author Eung Jin Chun
Tanmoy Mondal
spellingShingle Eung Jin Chun
Tanmoy Mondal
Searching for a light Higgs boson via the Yukawa process at lepton colliders
Physics Letters B
author_facet Eung Jin Chun
Tanmoy Mondal
author_sort Eung Jin Chun
title Searching for a light Higgs boson via the Yukawa process at lepton colliders
title_short Searching for a light Higgs boson via the Yukawa process at lepton colliders
title_full Searching for a light Higgs boson via the Yukawa process at lepton colliders
title_fullStr Searching for a light Higgs boson via the Yukawa process at lepton colliders
title_full_unstemmed Searching for a light Higgs boson via the Yukawa process at lepton colliders
title_sort searching for a light higgs boson via the yukawa process at lepton colliders
publisher Elsevier
series Physics Letters B
issn 0370-2693
publishDate 2020-03-01
description We explore the prospect of Yukawa production of a light boson which can exist in an extended Higgs sector. A particularly interesting case is the light pseudoscalar in Type-X two Higgs doublet model which can explain the anomalous magnetic moment of muon at large tan⁡β. Considering ILC Higgs factory with s=250 GeV, we show that the available parameter space can be fully examined by the (tau) Yukawa process at 5σ. We also demonstrate the mass reconstruction of such a light particle which helps to sizably minimize the background events. Keywords: Two Higgs doublet models, Light (pseudo)scalar, Lepton collider, ILC, Yukawa process, Higgs factory
url http://www.sciencedirect.com/science/article/pii/S0370269319309128
work_keys_str_mv AT eungjinchun searchingforalighthiggsbosonviatheyukawaprocessatleptoncolliders
AT tanmoymondal searchingforalighthiggsbosonviatheyukawaprocessatleptoncolliders
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