Quark and lepton masses and mixing inSO(10)with a GUT-scale vector matter

2007/10/31 by Michal Malinsky, Michal Malinský
Physics and Astronomy · #Neutrino Physics Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1103/physrevd.77.055016

published as Phys.Rev.D77:055016,2008 · 13 pages, 1 figure, 2 tables; v2: major update, references added

arxiv created 2007/12/09 · openalex publication_date 2008/03/21 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We explore in detail the effective matter fermion mass sum-rules in a class of renormalizable SUSY SO(10) grand unified models where the quark and lepton mass and mixing patterns originate from nondecoupling effects of an extra vector matter multiplet living around the unification scale. If the renormalizable type-II contribution governed by the SU(2)_L-triplet in 54_H dominates the seesaw formula, we obtain an interesting correlation between the maximality of the atmospheric neutrino mixing and the proximity of y_s/y_b to |V_cb| in the quark sector.

Citations

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