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Eibun Senaha
순수물리이론 연구단
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Cancellation mechanism for the electron electric dipole moment connected with the baryon asymmetry of the Universe

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Title
Cancellation mechanism for the electron electric dipole moment connected with the baryon asymmetry of the Universe
Author(s)
Kaori Fuyuto; Wei-Shu Hou; Eibun Senaha
Publication Date
2020-01
Journal
PHYSICAL REVIEW D, v.101, no.1, pp.011901 -
Publisher
AMER PHYSICAL SOC
Abstract
We elucidate a cancellation mechanism for the electric dipole moment of the electron in the general two Higgs doublet model. The impressive improvement by the ACME Collaboration in 2018 suggests the presence of a new electron Yukawa coupling that brings in exquisite cancellations among dangerous diagrams, broadening the solution space for electroweak baryogenesis driven by an extra top Yukawa coupling. The cancellation mechanism calls for the new Yukawa couplings to have hierarchical structures that echo the observed pattern of the Standard Model Yukawa couplings c.Published by the American Physical Society
URI
https://pr.ibs.re.kr/handle/8788114/7061
ISSN
2470-0010
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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