Abstract
From the requirement of the absence of the Landau pole singularity for the effective top quark Yukawa coupling constant \( {{\bar h}_t} \) up to the Planck scale in SU(5) supersymmetric model we find for the top quark mass an upper bound mt ≤ 187 GeV. For the SU(5) fixed point solution, which can be interpreted as the case of composite superhiggses we find mt ≈ 183 GeV. From the requirement that the mb/mτ prediction of the supersymmetric SU(5) has been succesfull we find that 145 GeV ≥ mt ≥ 190 GeV.
In Honour of Prof. Dr. L.C. Biedenharns 70th Birthday
Preprint INR-783/92 October 1992 Russian Academy of Sciences, Institute for Nuclear Research
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Krasnikov, N.V., Rodenberg, R. (1993). Upper Bound on the Top Quark Mass for Supersymmetric SU(5) Model. In: Gruber, B. (eds) Symmetries in Science VI. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-1219-0_35
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DOI: https://doi.org/10.1007/978-1-4899-1219-0_35
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