PoS - Proceedings of Science
Volume 376 - Corfu Summer Institute 2019 "School and Workshops on Elementary Particle Physics and Gravity" (CORFU2019) - Workshop on Connecting Insights in Fundamental Physics: Standard Model and Beyond
New Results in Theories with Reduced Couplings
S. Heinemeyer, M. Mondragon, G. Patellis*, N. Tracas and G. Zoupanos
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Published on: August 18, 2020
Abstract
The renormalization group invariant, to all orders in perturbation theory, relations among parameters consist the basis of the reduction of couplings concept. N=1 supersymmetric Grand Unified Theories can use the above concept, and even be finite at all loops. We review this idea as well as the resulting theories. We construct: (i) an $N=1$ $SU(5)$ minimal version, (ii) an all-loop finite $N=1$ $SU(5)$, (iii) a two-loop finite $N=1$ $SU(3)^3$ and finally (vi) a Minimal Supersymmetric Standard Model reduced version. The SUSY particle spectra predicted by these models are consistent with the LHC non-observation results.
DOI: https://doi.org/10.22323/1.376.0066
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