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Title: Electroweak baryogenesis from temperature-varying couplings

Abstract

The fundamental couplings of the Standard Model are known to vary as a function of energy scale through the Renormalisation Group (RG), and have been measured at the electroweak scale at colliders. However, the variation of the couplings as a function of temperature need not be the same, raising the possibility that couplings in the early universe were not at the values predicted by RG evolution. We study how such temperature-variance of fundamental gauge couplings can aid the production of a baryon asymmetry in the universe through electroweak baryogenesis. We do so in the context of the Standard Model augmented by higher-dimensional operators up to dimension 6.

Authors:
 [1]; ORCiD logo [2];  [3]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy
  3. TRIUMF, Vancouver, BC (Canada)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1562504
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2019; Journal Issue: 8; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Beyond Standard Model; CP violation; Thermal Field Theory

Citation Formats

Ellis, Sebastian A. R., Ipek, Seyda, and White, Graham. Electroweak baryogenesis from temperature-varying couplings. United States: N. p., 2019. Web. doi:10.1007/jhep08(2019)002.
Ellis, Sebastian A. R., Ipek, Seyda, & White, Graham. Electroweak baryogenesis from temperature-varying couplings. United States. doi:10.1007/jhep08(2019)002.
Ellis, Sebastian A. R., Ipek, Seyda, and White, Graham. Thu . "Electroweak baryogenesis from temperature-varying couplings". United States. doi:10.1007/jhep08(2019)002. https://www.osti.gov/servlets/purl/1562504.
@article{osti_1562504,
title = {Electroweak baryogenesis from temperature-varying couplings},
author = {Ellis, Sebastian A. R. and Ipek, Seyda and White, Graham},
abstractNote = {The fundamental couplings of the Standard Model are known to vary as a function of energy scale through the Renormalisation Group (RG), and have been measured at the electroweak scale at colliders. However, the variation of the couplings as a function of temperature need not be the same, raising the possibility that couplings in the early universe were not at the values predicted by RG evolution. We study how such temperature-variance of fundamental gauge couplings can aid the production of a baryon asymmetry in the universe through electroweak baryogenesis. We do so in the context of the Standard Model augmented by higher-dimensional operators up to dimension 6.},
doi = {10.1007/jhep08(2019)002},
journal = {Journal of High Energy Physics (Online)},
number = 8,
volume = 2019,
place = {United States},
year = {2019},
month = {8}
}

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