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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:
Journal Article: Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
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)},
issn = {1029-8479},
number = 8,
volume = 2019,
place = {United States},
year = {2019},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Citation Metrics:
Cited by: 5 works
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Figures / Tables:

Figure 1 Figure 1: Ratio of the Higgs vev at the critical temperature $T$c to the critical temperature as a function of $δα$2 for different values of the dimension-6 operator, $Λ$6/ $\sqrt{c_6}$ = 575, 600, 675 GeV. The dashed line shows the required $v$c/$T$c for a first-order phase transition given $Λ$6/ $\sqrt{c_6}$more » = 600 GeV. Changing $Λ$6/ $\sqrt{c_6}$ does not affect this dashed line substantially. For details see section 4.2.« less

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    Can electroweak bubble walls run away?
    journal, May 2009


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    Electroweak phase transition and LHC signatures in the singlet Majoron model
    journal, July 2009


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    journal, June 2019

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    CP-violation for electroweak baryogenesis from dynamical CKM matrix
    journal, November 2017

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    • Journal of Cosmology and Astroparticle Physics, Vol. 2017, Issue 11
    • DOI: 10.1088/1475-7516/2017/11/034

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    Energy budget of cosmological first-order phase transitions
    journal, June 2010

    • Espinosa, José R.; Konstandin, Thomas; No, José M.
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