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High Energy Physics - Phenomenology

arXiv:1305.5073 (hep-ph)
[Submitted on 22 May 2013]

Title:Finite Theories Before and After the Discovery of a Higgs Boson at the LHC

Authors:S. Heinemeyer, M. Mondragon, G. Zoupanos
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Abstract:Finite Unified Theories (FUTs) are N = 1 supersymmetric Grand Unified Theories (GUTs) which can be made finite to all-loop orders, based on the principle of reduction of couplings, and therefore are provided with a large predictive power. Confronting the predictions of SU(5) FUTs with the top and bottom quark masses and other low-energy experimental constraints a light Higgs-boson mass in the range M_h \sim 121-126 GeV was predicted, in striking agreement with the recent discovery of a Higgs-like state around \sim 125.5 GeV at ATLAS and CMS. Furthermore the favoured model, a finiteness constrained version of the MSSM, naturally predicts a relatively heavy spectrum with coloured supersymmetric particles above \sim 1.5 TeV, consistent with the non-observation of those particles at the LHC. Restricting further the best FUT's parameter space according to the discovery of a Higgs-like state and B-physics observables we find predictions for the rest of the Higgs masses and the supersymmetric particle spectrum.
Comments: 34 pages, 5 figures. Review prepared to appear in "Fortschritte der Physik". arXiv admin note: substantial text overlap with arXiv:1101.2476, arXiv:1001.0428
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1305.5073 [hep-ph]
  (or arXiv:1305.5073v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1305.5073
Related DOI: https://doi.org/10.1002/prop.201300017

Submission history

From: Sven Heinemeyer [view email]
[v1] Wed, 22 May 2013 10:13:51 UTC (310 KB)
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