Cancellation mechanism for the electron electric dipole moment connected with the baryon asymmetry of the Universe
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.
- Publication Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Laboratory Directed Research and Development (LDRD) Program
- OSTI Identifier:
- 1582497
- Alternate Identifier(s):
- OSTI ID: 1630864
- Report Number(s):
- LA-UR-19-30968
Journal ID: ISSN 2470-0010; PRVDAQ; 011901
- Grant/Contract Number:
- 89233218CNA000001; MOST 106-2112-M-002-015-MY3; NTU 108L104019; 108L893301
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 101 Journal Issue: 1; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 74 ATOMIC AND MOLECULAR PHYSICS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Fuyuto, Kaori, Hou, Wei-Shu, and Senaha, Eibun. Cancellation mechanism for the electron electric dipole moment connected with the baryon asymmetry of the Universe. United States: N. p., 2020.
Web. doi:10.1103/PhysRevD.101.011901.
Fuyuto, Kaori, Hou, Wei-Shu, & Senaha, Eibun. Cancellation mechanism for the electron electric dipole moment connected with the baryon asymmetry of the Universe. United States. doi:10.1103/PhysRevD.101.011901.
Fuyuto, Kaori, Hou, Wei-Shu, and Senaha, Eibun. Mon .
"Cancellation mechanism for the electron electric dipole moment connected with the baryon asymmetry of the Universe". United States. doi:10.1103/PhysRevD.101.011901.
@article{osti_1582497,
title = {Cancellation mechanism for the electron electric dipole moment connected with the baryon asymmetry of the Universe},
author = {Fuyuto, Kaori and Hou, Wei-Shu and Senaha, Eibun},
abstractNote = {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.},
doi = {10.1103/PhysRevD.101.011901},
journal = {Physical Review D},
number = 1,
volume = 101,
place = {United States},
year = {2020},
month = {1}
}
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DOI: 10.1103/PhysRevD.101.011901
DOI: 10.1103/PhysRevD.101.011901
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