Alternatives to the seesaw:: Extra Z's and constraints on large extra dimensions

被引：5
|
作者：
Langacker, P [1 ]
机构：
[1] Univ Penn, Dept Phys, Philadelphia, PA 19104 USA
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2003年 / 18卷 / 22期
关键词：
D O I：
10.1142/S0217751X03017336
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Alternatives to the traditional grand unified theory seesaw for neutrino masses are briefly described. These include the possibility of large extra dimensions and various possibilities for models involving an extra U(I)' gauge symmetry. The difficulty of observing Majorana phases in neutrinoless double beta decay is also briefly commented on.
引用
收藏
页码：4015 / 4026
页数：12
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