String unification scale and the hyper-charge Kac-Moody level in the non-supersymmetric standard model
نویسندگان
چکیده
منابع مشابه
String unification scale and the hyper-charge Kac-Moody level in the non-supersymmetric standard model
The string theory predicts the unification of the gauge couplings and gravity. The minimal supersymmetric Standard Model, however, gives the unification scale ∼ 2 × 10 GeV which is significantly smaller than the string scale ∼ 5 × 10 GeV of the weak coupling heterotic string theory. We study the unification scale of the non-supersymmetric minimal Standard Model quantitatively at the two-loop le...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 1998
ISSN: 0370-2693
DOI: 10.1016/s0370-2693(97)01488-3