• Open Access

SO(10) paths to dark matter

Sacha Ferrari, Thomas Hambye, Julian Heeck, and Michel H. G. Tytgat
Phys. Rev. D 99, 055032 – Published 25 March 2019

Abstract

The grand-unification gauge group SO(10) contains matter parity as a discrete subgroup. This symmetry could be at the origin of dark matter stability. The properties of the dark matter candidates depend on the path along which SO(10) is broken, in particular through Pati-Salam or left-right symmetric subgroups. We systematically determine the nonsupersymmetric dark matter scenarios that can be realized along the various paths. We emphasize that the dark matter candidates may have colored or electrically charged partners at low scale that belong to the same SO(10) multiplet. These states, which in many cases are important for coannihilation, could be observed more easily than the dark matter particle. We determine the structure of the tree-level and loop-induced mass splittings between the dark matter candidate and their partners and discuss the possible phenomenological implications.

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  • Received 10 December 2018

DOI:https://doi.org/10.1103/PhysRevD.99.055032

Published by the American Physical Society under the terms of the 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.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

Sacha Ferrari1,*, Thomas Hambye1,†, Julian Heeck1,2,‡, and Michel H. G. Tytgat1,§

  • 1Service de Physique Théorique, Université Libre de Bruxelles, Boulevard du Triomphe, CP225, 1050 Brussels, Belgium
  • 2Department of Physics and Astronomy, University of California, Irvine, California 92697-4575, USA

  • *sacha.ferrari@ulb.ac.be
  • thambye@ulb.ac.be
  • julian.heeck@uci.edu
  • §mtytgat@ulb.ac.be

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Issue

Vol. 99, Iss. 5 — 1 March 2019

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