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Title: Adiabatic electroweak baryogenesis driven by an axionlike particle

Abstract

An axionlike particle (ALP) offers a new direction in electroweak baryogenesis because the periodic nature enables it to trigger a strong first-order phase transition insensitively to the decay constant $$\mathcal{f}$$. For $$\mathcal{f}$$ much above TeV, the ALP-induced electroweak phase transition is approximately described by adiabatic processes, distinguishing our scenario for electroweak baryogenesis from the conventional ones. We show that, coupled to the electroweak anomaly, the ALP can naturally realize spontaneous electroweak baryogenesis to solve the matter-antimatter asymmetry problem for $$\mathcal{f}$$ in the range between about 105 and 107 GeV. In such an ALP window, the $$\textit{CP}$$ violation for baryogenesis is totally free from the experimental constraints, especially from the recently improved limit on the electron electric dipole moment. Future searches for ALPs could probe our scenario while revealing the connection between electroweak symmetry breaking and baryogenesis.

Authors:
; ; ORCiD logo
Publication Date:
Research Org.:
Florida State Univ., Tallahassee, FL (United States)
Sponsoring Org.:
USDOE Office of Science (SC); National Research Foundation of Korea (NRF)
OSTI Identifier:
1598397
Alternate Identifier(s):
OSTI ID: 1802038
Grant/Contract Number:  
SC0010102; NRF-2018R1C1B6006061
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 101 Journal Issue: 3; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Astronomy & Astrophysics; Physics

Citation Formats

Jeong, Kwang Sik, Jung, Tae Hyun, and Shin, Chang Sub. Adiabatic electroweak baryogenesis driven by an axionlike particle. United States: N. p., 2020. Web. doi:10.1103/PhysRevD.101.035009.
Jeong, Kwang Sik, Jung, Tae Hyun, & Shin, Chang Sub. Adiabatic electroweak baryogenesis driven by an axionlike particle. United States. https://doi.org/10.1103/PhysRevD.101.035009
Jeong, Kwang Sik, Jung, Tae Hyun, and Shin, Chang Sub. Fri . "Adiabatic electroweak baryogenesis driven by an axionlike particle". United States. https://doi.org/10.1103/PhysRevD.101.035009.
@article{osti_1598397,
title = {Adiabatic electroweak baryogenesis driven by an axionlike particle},
author = {Jeong, Kwang Sik and Jung, Tae Hyun and Shin, Chang Sub},
abstractNote = {An axionlike particle (ALP) offers a new direction in electroweak baryogenesis because the periodic nature enables it to trigger a strong first-order phase transition insensitively to the decay constant $\mathcal{f}$. For $\mathcal{f}$ much above TeV, the ALP-induced electroweak phase transition is approximately described by adiabatic processes, distinguishing our scenario for electroweak baryogenesis from the conventional ones. We show that, coupled to the electroweak anomaly, the ALP can naturally realize spontaneous electroweak baryogenesis to solve the matter-antimatter asymmetry problem for $\mathcal{f}$ in the range between about 105 and 107 GeV. In such an ALP window, the $\textit{CP}$ violation for baryogenesis is totally free from the experimental constraints, especially from the recently improved limit on the electron electric dipole moment. Future searches for ALPs could probe our scenario while revealing the connection between electroweak symmetry breaking and baryogenesis.},
doi = {10.1103/PhysRevD.101.035009},
journal = {Physical Review D},
number = 3,
volume = 101,
place = {United States},
year = {2020},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevD.101.035009

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Cited by: 2 works
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