MeV tau neutrino in a gauge-mediated supersymmetry breaking model

被引：10
|
作者：
Liu, C
Song, HS
机构：
[1] Korea Inst Adv Study, Seoul 130012, South Korea
[2] Seoul Natl Univ, Ctr Theoret Phys, Seoul 151742, South Korea
来源：
NUCLEAR PHYSICS B | 1999年 / 545卷 / 1-3期
关键词：
lepton number violation; neutrino mass; supersymmetry;
D O I：
10.1016/S0550-3213(98)00822-0
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：
A supersymmetric model which naturally accommodates MeV tau neutrinos within the framework of gauge-mediated supersymmetry breaking is described. The lepton number violation is originally introduced in the messenger sector of the theory. A large slepton-Higgs mixing mass and a small lepton-higgsino mixing mass are generated at one loop. The scalar tau neutrino has a non-vanishing vacuum expectation value. This results in a non-zero nu(tau) mass which is in the range of 1-10 MeV. (C) 1999 Elsevier Science B.V.
引用
收藏
页码：183 / 191
页数：9
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