Minimal SU(6) Gauge-Higgs Grand Unification

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Samenvatting

We present a minimal viable gauge-Higgs grand unification scenario in warped space based on a SU(6) bulk symmetry - unifying the gauge symmetries of the Standard Model and their breaking sector. We show how the issue of light exotic new states is eliminated by appropriately breaking the gauge symmetry on the UV and IR boundaries by either brane scalars or gauge boundary conditions. The Standard Model fermion spectrum is naturally reproduced including Dirac neutrinos and we compute the Higgs potential at one loop, finding easily solutions with a realistic mh∼125 GeV. The problem of proton decay is addressed by showing that baryon number is a hidden symmetry of the model. Among the phenomenological consequences, we highlight the presence of a scalar leptoquark and a scalar singlet. The usual X, Y gauge bosons from SU(5) grand unified theories are found at collider accessible masses.

Originele taal-2English
Artikelnummer035026
Aantal pagina's8
TijdschriftPhysical Review D
Volume105
Nummer van het tijdschrift3
DOI's
StatusPublished - 1 feb 2022

Bibliografische nota

Funding Information:
We are grateful to Sascha Weber for useful discussions. S. B. is supported by the “Excellence of Science—EOS”—be.h Project No. 30820817, and by the Strategic Research Program High-Energy Physics and the Research Council of the Vrije Universiteit Brussel.

Publisher Copyright:
© 2022 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

Copyright:
Copyright 2022 Elsevier B.V., All rights reserved.

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