Cancellation mechanism for the electron electric dipole moment connected with the baryon asymmetry of the Universe

Fuyuto, Kaori; Hou, Wei-Shu; Senaha, Eibun

doi:10.1103/PhysRevD.101.011901

Title: Cancellation mechanism for the electron electric dipole moment connected with the baryon asymmetry of the Universe

Journal Article · 12 January 2020 · Physical Review. D.

DOI: https://doi.org/10.1103/PhysRevD.101.011901 · OSTI ID:1582497

Fuyuto, Kaori; Hou, Wei-Shu;

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.

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Sponsoring Organization:: USDOE Laboratory Directed Research and Development (LDRD) Program

Grant/Contract Number:: 89233218CNA000001

OSTI ID:: 1582497

Alternate ID(s):: OSTI ID: 1630864

Journal Information:: Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 1 Vol. 101; ISSN PRVDAQ; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Title: Cancellation mechanism for the electron electric dipole moment connected with the baryon asymmetry of the Universe

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