PoS - Proceedings of Science
Volume 398 - The European Physical Society Conference on High Energy Physics (EPS-HEP2021) - T11: Quantum Field and String Theory
Probing a Finite Unified Theory with Reduced Couplings at Future Colliders
S. Heinemeyer, J. Kalinowski, W. Kotlarski, M. Mondragon, G. Patellis*, N. Tracas and G. Zoupanos
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Pre-published on: February 17, 2022
Published on: May 12, 2022
The search for relations among parameters that are renormalization group invariant to all orders in perturbation theory constitutes the basis of the reduction of couplings idea. Reduction of couplings can be achieved in $N=1$ Grand Unified Theories, few of which can become even all-loop finite. We review the basic idea and a resulting theory in which successful reduction of couplings has been achieved, namely the all-loop finite $N = 1$ supersymmetric $SU(5)$ model. We present three benchmark scenarios and investigate their observability at existing and future hadron colliders. The supersymmetric spectrum is found to be beyond the reach of the 14 TeV HL-LHC. In turn, it is found that large parts of the predicted spectrum can be tested at the 100 TeV FCC-hh, but the higher mass regions remain out of reach.
DOI: https://doi.org/10.22323/1.398.0736
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