Origin of quark-lepton flavor in SO(10) with type II seesaw mechanism

被引：34

作者：

Dutta, Bhaskar ^{[1
]}

Mimura, Yukihiro ^{[2
,3
]}

Mohapatra, R. N. ^{[2
,3
]}

机构：

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

[2] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[3] Univ Maryland, Maryland Ctr Fundamental Phys, College Pk, MD 20742 USA

来源：

PHYSICAL REVIEW D | 2009年 / 80卷 / 09期

基金：

美国国家科学基金会;

关键词：

NEUTRINO MASSES; FERMION MASSES; FAMILY SYMMETRY; MIXINGS; SU(3); UNIFICATION; MODELS; MSGUT;

D O I：

10.1103/PhysRevD.80.095021

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Diverse mass and mixing patterns between the quarks and leptons makes it challenging to construct a simple grand unified theory of flavor. We show that SO(10) supersymmetry grand unified theories with type II seesaw mechanism giving neutrino masses provide a natural framework for addressing this issue. A simple ansatz that the dominant Yukawa matrix (the 10-Higgs coupling to matter) has rank one appears to simultaneously explain both the large lepton mixings as well as the observed quark flavor hierarchy in these models. A testable prediction of this ansatz is the neutrino mixing, U-e3, which should be observable in planned long baseline experiments.

引用

页数：12

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