Pathways to naturally small neutrino masses

被引：543
作者：
Ma, E [1 ]
机构：
[1] Univ Calif Riverside, Dept Phys, Riverside, CA 92521 USA
来源：
PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 06期
关键词：
D O I：
10.1103/PhysRevLett.81.1171
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In the minimal standard electroweak gauge model, there is an effective dimension-five operator which generates neutrino masses, and it has only three tree-level realizations. One is the canonical seesaw mechanism with a right-handed neutrino. Another is having a heavy Higgs triplet as recently proposed. The third is to have a heavy Majorana fermion triplet, an example of which is presented here in the context of supersymmetric SU(5) grand unification. The three generic one-loop realizations of this operator are also discussed. [S0031-9007(98)06809-4].
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页码：1171 / 1174
页数：4
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