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Title: 125 GeV Higgs boson mass from 5D gauge-Higgs unification

Abstract

In the context of a simple gauge-Higgs unification (GHU) scenario based on the gauge group SU(3)××U(1)" in a 5D flat space-time, we investigate the possibility of reproducing the observed Higgs boson mass of around 125 GeV. We introduce bulk fermion multiplets with a bulk mass and a (half-)periodic boundary condition. In our analysis, we adopt a low-energy effective theoretical approach of the GHU scenario, where the running Higgs quartic coupling is required to vanish at the compactification scale. Under this “gauge-Higgs condition,” we investigate the renormalization group evolution of the Higgs quartic coupling and find a relation between the bulk mass and the compactification scale so as to reproduce the 125 GeV Higgs boson mass. Through quantum corrections at the one-loop level, the bulk fermions contribute to the Higgs boson production and decay processes and deviate the Higgs boson signal strengths at the Large Hadron Collider experiments from the Standard Model (SM) predictions. Employing the current experimental data that show that the Higgs boson signal strengths for a variety of Higgs decay modes are consistent with the SM predictions, we obtain lower mass bounds on the lightest mode of the bulk fermions to be around 1 TeV.

Authors:
 [1];  [1]
  1. Univ. of Alabama, Tuscaloosa, AL (United States). Dept. of Physics and Astronomy
Publication Date:
Research Org.:
Univ. of Alabama, Tuscaloosa, AL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1499897
Grant/Contract Number:  
SC0013680
Resource Type:
Accepted Manuscript
Journal Name:
Progress of Theoretical and Experimental Physics
Additional Journal Information:
Journal Volume: 2018; Journal Issue: 3; Journal ID: ISSN 2050-3911
Publisher:
Physical Society of Japan
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Carson, Jason, and Okada, Nobuchika. 125 GeV Higgs boson mass from 5D gauge-Higgs unification. United States: N. p., 2018. Web. doi:10.1093/ptep/pty018.
Carson, Jason, & Okada, Nobuchika. 125 GeV Higgs boson mass from 5D gauge-Higgs unification. United States. doi:10.1093/ptep/pty018.
Carson, Jason, and Okada, Nobuchika. Thu . "125 GeV Higgs boson mass from 5D gauge-Higgs unification". United States. doi:10.1093/ptep/pty018. https://www.osti.gov/servlets/purl/1499897.
@article{osti_1499897,
title = {125 GeV Higgs boson mass from 5D gauge-Higgs unification},
author = {Carson, Jason and Okada, Nobuchika},
abstractNote = {In the context of a simple gauge-Higgs unification (GHU) scenario based on the gauge group SU(3)××U(1)" in a 5D flat space-time, we investigate the possibility of reproducing the observed Higgs boson mass of around 125 GeV. We introduce bulk fermion multiplets with a bulk mass and a (half-)periodic boundary condition. In our analysis, we adopt a low-energy effective theoretical approach of the GHU scenario, where the running Higgs quartic coupling is required to vanish at the compactification scale. Under this “gauge-Higgs condition,” we investigate the renormalization group evolution of the Higgs quartic coupling and find a relation between the bulk mass and the compactification scale so as to reproduce the 125 GeV Higgs boson mass. Through quantum corrections at the one-loop level, the bulk fermions contribute to the Higgs boson production and decay processes and deviate the Higgs boson signal strengths at the Large Hadron Collider experiments from the Standard Model (SM) predictions. Employing the current experimental data that show that the Higgs boson signal strengths for a variety of Higgs decay modes are consistent with the SM predictions, we obtain lower mass bounds on the lightest mode of the bulk fermions to be around 1 TeV.},
doi = {10.1093/ptep/pty018},
journal = {Progress of Theoretical and Experimental Physics},
number = 3,
volume = 2018,
place = {United States},
year = {2018},
month = {3}
}

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