Neutrino mass matrix predicted from the symmetric texture

被引：31

作者：

Bando, M ^{[1
]}

Obara, M

机构：

[1] Aichi Univ, Aichi 4700296, Japan

[2] Ochanomizu Univ, Grad Sch Humanities Sci, Tokyo 1128610, Japan

来源：

PROGRESS OF THEORETICAL PHYSICS | 2003年 / 109卷 / 06期

关键词：

D O I：

10.1143/PTP.109.995

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Within the framework of grand unified theories, we carry out a full analysis of the symmetric texture to determine if such a texture can reproduce bi-large neutrino mixings, which have recently been indicated by solar and atmospheric neutrino experiments. It is found that so far as we adopt a symmetric texture, the so-called Froggatt-Nielsen mechanism does not naturally reproduce two large mixing angles. We find that, in order to obtain such mixing angles, we need to adopt a zero texture. By assuming this zero texture under SO(10), we are able to express the neutrino masses and mixing angles in terms of up quark masses, m(t), m(c) and m(u) with two adjustable parameters for the right-handed Majorana masses. We also obtain the prediction \U-e3\ less than or equal to 0.11.

引用

页码：995 / 1015

页数：21

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