Quasi-degenerate neutrinos from an Abelian family symmetry

被引：118

作者：

Binetruy, P

Lavignac, S

Petcov, S

Ramond, P

机构：

[1] UNIV CALIF BERKELEY, LAWRENCE BERKELEY LAB, DEPT PHYS, BERKELEY, CA 94720 USA

[2] UNIV CALIF BERKELEY, LAWRENCE BERKELEY LAB, THEORET PHYS GRP, BERKELEY, CA 94720 USA

[3] SCUOLA INT SUPER STUDI AVANZATI, I-34013 TRIESTE, ITALY

[4] IST NAZL FIS NUCL, SEZ TRIESTE, I-34013 TRIESTE, ITALY

[5] UNIV FLORIDA, DEPT PHYS, INST FUNDAMENTAL THEORY, GAINESVILLE, FL 32611 USA

来源：

NUCLEAR PHYSICS B | 1997年 / 496卷 / 1-2期

基金：

美国能源部;

关键词：

neutrino mass;

D O I：

10.1016/S0550-3213(97)00211-3

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We show that models with an Abelian family symmetry which accounts for the observed hierarchies of masses and mixings in the quark sector may also accommodate quasi-degeneracies in the neutrino mass spectrum. Such approximate degeneracies are, in this context, associated with large mixing angles. The parameters of this class of models are constrained. We discuss their phenomenological implications for present and foreseen neutrino experiments. (C) 1997 Elsevier Science B.V.

引用

页码：3 / 23

页数：21

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