GUT predictions for quark-lepton Yukawa coupling ratios with messenger masses from non-singlets

被引：39

作者：

Antusch, Stefan ^{[1
,2
]}

King, Stephen F. ^{[3
]}

Spinrath, Martin ^{[4
,5
,6
]}

机构：

[1] Univ Basel, Dept Phys, CH-4056 Basel, Switzerland

[2] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 Munich, Germany

[3] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England

[4] SISSA, ISAS, I-34136 Trieste, Italy

[5] Ist Nazl Fis Nucl, I-34136 Trieste, Italy

[6] Karlsruhe Inst Technol, Inst Theoret Teilchenphys, D-76131 Karlsruhe, Germany

来源：

PHYSICAL REVIEW D | 2014年 / 89卷 / 05期

基金：

瑞士国家科学基金会;

关键词：

FLAVOR; THETA(PMNS)(13); UNIFICATION; TEXTURES; MODEL;

D O I：

10.1103/PhysRevD.89.055027

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We propose new predictions from grand unified theories (GUTs) [applicable to both supersymmetric (SUSY) and non-SUSY models] for the ratios of quark and lepton Yukawa couplings. These new predictions arise from splitting the masses of the messenger fields for the GUT-scale Yukawa operators by Clebsch-Gordan factors from GUT symmetry breaking. This has the effect that these factors enter inversely in the predicted quark-lepton Yukawa coupling ratios, leading to new possible GUT predictions. We systematically construct the new predictions that can be realized in this way in SU(5) GUTs and Pati-Salam unified theories and discuss model building applications.

引用

页数：10

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