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Title: SO(10) grand unification with minimal dark matter and color octet scalars

Abstract

The minimal dark matter (MDM) scenario is a very simple framework of physics beyond the Standard Model (SM) to supplement the SM with a DM candidate. In this paper, we consider an ultraviolet completion of the scenario to an SO(10) grand unified theory, which is a well-motivated framework in light of the neutrino oscillation data. Considering various phenomenological constraints, such as the successful SM gauge coupling unification, the proton stability, and the direct/indirect DM detection constraints as well as the absolute electroweak vacuum stability, we have first singled out the minimal particle content of the MDM scenario at low energies. In addition to the SM particle content, our MDM scenario includes an SU(2)L quintet scalar DM with a 9.4 TeV mass and three degenerate color-octet scalars with mass of 2 TeV. We then have found a way to embed the minimal particle content into SO(10) representations, in which a remnant Z2 symmetry after the SO(10) symmetry breaking ensures the stability of the DM particle. The production cross section of the color-octet scalars at the Large Hadron Collider is found to be a few orders of magnitude below the current experimental bound.

Authors:
ORCiD logo; ; ORCiD logo
Publication Date:
Research Org.:
Univ. of Alabama, Tuscaloosa, AL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1841776
Alternate Identifier(s):
OSTI ID: 1906205
Grant/Contract Number:  
SC0012447
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 105 Journal Issue: 1; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Grand unified models; Particle dark matter; Vacuum stability

Citation Formats

Cho, Gi-Chol, Hayami, Kana, and Okada, Nobuchika. SO(10) grand unification with minimal dark matter and color octet scalars. United States: N. p., 2022. Web. doi:10.1103/PhysRevD.105.015027.
Cho, Gi-Chol, Hayami, Kana, & Okada, Nobuchika. SO(10) grand unification with minimal dark matter and color octet scalars. United States. https://doi.org/10.1103/PhysRevD.105.015027
Cho, Gi-Chol, Hayami, Kana, and Okada, Nobuchika. Tue . "SO(10) grand unification with minimal dark matter and color octet scalars". United States. https://doi.org/10.1103/PhysRevD.105.015027.
@article{osti_1841776,
title = {SO(10) grand unification with minimal dark matter and color octet scalars},
author = {Cho, Gi-Chol and Hayami, Kana and Okada, Nobuchika},
abstractNote = {The minimal dark matter (MDM) scenario is a very simple framework of physics beyond the Standard Model (SM) to supplement the SM with a DM candidate. In this paper, we consider an ultraviolet completion of the scenario to an SO(10) grand unified theory, which is a well-motivated framework in light of the neutrino oscillation data. Considering various phenomenological constraints, such as the successful SM gauge coupling unification, the proton stability, and the direct/indirect DM detection constraints as well as the absolute electroweak vacuum stability, we have first singled out the minimal particle content of the MDM scenario at low energies. In addition to the SM particle content, our MDM scenario includes an SU(2)L quintet scalar DM with a 9.4 TeV mass and three degenerate color-octet scalars with mass of 2 TeV. We then have found a way to embed the minimal particle content into SO(10) representations, in which a remnant Z2 symmetry after the SO(10) symmetry breaking ensures the stability of the DM particle. The production cross section of the color-octet scalars at the Large Hadron Collider is found to be a few orders of magnitude below the current experimental bound.},
doi = {10.1103/PhysRevD.105.015027},
journal = {Physical Review D},
number = 1,
volume = 105,
place = {United States},
year = {Tue Jan 25 00:00:00 EST 2022},
month = {Tue Jan 25 00:00:00 EST 2022}
}

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