Quantum Reduction of Couplings in Finite Unified Theories

Details Quantum Reduction of Couplings in Finite Unified Theories Quantum Reduction of Couplings in Finite Unified Theories

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..805..287z&link_type=abstract

PARTICLES, STRINGS, AND COSMOLOGY: 11th International Symposium on Particles, Strings, and Cosmology; PASCOS 2005. AIP Conferen

Physics

1

Unification Of Couplings, Mass Relations, Supersymmetric Models

Scientific paper

Finite Unified Theories (FUTs) are N=1 supersymmetric Grand Unified Theories, which can be made all-loop finite, both in the dimensionless (gauge and Yukawa couplings) and dimensionful (soft supersymmetry breaking terms) sectors. This remarkable property provides a drastic reduction in the number of free parameters, which in turn leads to an accurate prediction of the top quark mass in the dimensionless sector, and predictions for the Higgs boson mass and the supersymmetric spectrum in the dimensionful sector. Here we examine the predictions of two FUTs taking into account a number of theoretical and experimental constraints. We present the results of a detailed scanning concerning the Higgs mass prediction for both models, while for the second we present a representative prediction of its spectrum.

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