Double threefold degeneracies for active and sterile neutrinos

被引：2
|
作者：
Ma, E [1 ]
Rajasekaran, G
机构：
[1] Univ Calif Riverside, Dept Phys, Riverside, CA 92521 USA
[2] Inst Math Sci, Madras 600113, Tamil Nadu, India
来源：
MODERN PHYSICS LETTERS A | 2001年 / 16卷 / 34期
关键词：
neutrino oscillations; sterile neutrinos; seesaw mechanism;
D O I：
10.1142/S0217732301005679
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We explore the possibility that the three active (doublet) neutrinos have nearly degenerate masses which are split only by the usual seesaw mechanism from three sterile {singlet) neutrinos in the presence of a softly broken A(4) symmetry. We take the unconventional view that the sterile neutrinos may be light, i.e. less than 1 keV, and discuss some very interesting and novel phenomenology, including a connection between the LSND neutrino data and solar neutrino oscillations.
引用
收藏
页码：2207 / 2211
页数：5
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