Confronting SO(10) GUTs with proton decay and gravitational waves

King, Stephen F.; Pascoli, Silvia; Zhou, Ye-Ling; Turner, Jessica

Abstract

Grand Unified Theories (GUT) predict proton decay as well as the formation of cosmic strings which can generate gravitational waves. We determine which non-supersymmetric SO(10) breaking chains provide gauge unification in addition to a gravitational signal from cosmic strings. We calculate the GUT and intermediate scales for these SO(10) breaking chains by solving the renormalisation group equations at the two-loop level. This analysis predicts the GUT scale, hence the proton lifetime, in addition to the scale of cosmic string generation and thus the associated gravitational wave signal. We determine which SO(10) breaking chains survive in the event of the null results of the next generation of gravitational waves and proton decay searches and determine the correlations between proton decay and gravitational waves scales if these observables are measured.

Citation

King, S. F., Pascoli, S., Zhou, Y., & Turner, J. (2021). Confronting SO(10) GUTs with proton decay and gravitational waves. Journal of High Energy Physics, 2021(10), Article 225 (2021). https://doi.org/10.1007/jhep10%282021%29225

• Journal Article Type: Article
• Acceptance Date: Oct 13, 2021
• Online Publication Date: Oct 28, 2021
• Publication Date: 2021-10
• Deposit Date: Jan 12, 2022
• Publicly Available Date: Jan 14, 2022
• Journal: Journal of High Energy Physics
• Print ISSN: 1126-6708
• Publisher: Scuola Internazionale Superiore di Studi Avanzati (SISSA)
• Peer Reviewed: Peer Reviewed
• Volume: 2021
• Issue: 10
• Article Number: 225 (2021)
• DOI: https://doi.org/10.1007/jhep10%282021%29225
• Public URL: https://durham-repository.worktribe.com/output/1218707