Bounds on fourth-generation fermion masses in the standard model |
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| Authors: | K S Babu Ernest Ma |
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| Institution: | 1. Department of Physics and Astronomy, University of Hawaii at Manoa, 96822, Honolulu, HI, USA
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| Abstract: | In the standard model, if the ratios of Yukawa couplings to gauge couplings are bounded functions of the renormalization point, then the fourth-generation fermion massesm U , m D , andm L (in GeV) are constrained to lie within a domain approximately given by (m U /213)4.8+(m D /209)4.8+(m L /161)2.4<1. |
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