Strong unification
نویسندگان
چکیده
منابع مشابه
Strong Unification
We investigate the possibility that unification occurs at strong coupling. We show that, despite the fact the couplings pass through a strong coupling regime, accurate predictions for their low energy values are possible because the couplings of the theory flow to infrared fixed points. We determine the low-energy QCD coupling in a favoured class of strong coupling models and find it is reduced...
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We examine the infra-red structure of soft supersymmetry breaking masses of the squarks and sleptons in supersymmetric (SUSY) strong unification schemes where αGUT ∼ 0.2− 1. We show that combinations of soft masses approach fixed points which leads to very simple predictions for soft masses at the intermediate scale. The assumption that the high energy gaugino mass M1/2 dominates over the soft ...
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We show that the fermion mass spectrum may naturally be understood in terms of flavour democratic fixed points in supersymmetric theories which have a large domain of attraction in the presence of “strong unification”. Our approach provides an alternative to the approximate Yukawa texture zeroes of the Froggatt-Nielsen mechanism. We discuss a particular model based on a broken gauged SU(3)L × S...
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We analyze the implications of electroweak and strong coupling unification in a very general class of models extending the minimal supersymmetric standard model in 4 + p dimensions (p ≥ 0). In general, electroweak precision data require the presence of large extra dimensions (low compactification scales, M c) and/or low unification scale, M U. In particular, the actual experimental value of the...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 1997
ISSN: 0370-2693
DOI: 10.1016/s0370-2693(97)01148-9