Yukawa unification with four Higgs doublets in supersymmetric GUT

被引：6

作者：

Dutta, Bhaskar ^{[1
]}

Mimura, Yukihiro ^{[2
,3
]}

机构：

[1] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA

[2] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan

[3] Shimane Univ, Inst Sci & Engn, Matsue, Shimane 6908504, Japan

来源：

PHYSICS LETTERS B | 2019年 / 790卷

关键词：

SUSY GUT; Coupling unification; TOP-QUARK-MASS; FERMION MASSES; SO(10); PREDICTIONS;

D O I：

10.1016/j.physletb.2019.01.065

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss the Yukawa coupling unification, which can emerge in the grand unified theory, in the context of scenarios with more than one pair of Higgs doublet since the current LHC constraint has become a problem for the Yukawa unification scenarios with just one pair of Higgs doublet. More than one pair of Higgs doublets can easily arise in missing partner mechanism which solves the doublet-triplet splitting problem. In such a scenario, the Yukawa unification occurs at a medium tan beta value, e.g., similar to 30, which corresponds to much smaller threshold corrections compared to usual large tan beta scenario for t - b - tau unification in the context of SO(10) and b - tau unification in the context of SU(5) models. Further, we show that an additional Higgs doublet pair lowers the sensitivity of the radiative symmetry breaking of the electroweak vacuum. (C) 2019 The Authors. Published by Elsevier B.V.

引用

页码：589 / 594

页数：6

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