NMSSM and seesaw physics at LHC

被引：39
|
作者：
Gogoladze, Ilia [1 ]
Okada, Nobuchika [2 ,3 ]
Shafi, Qaisar [1 ]
机构：
[1] Univ Delaware, Dept Phys & Astron, Bartol Res Inst, Newark, DE 19716 USA
[2] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[3] KEK, Theory Grp, Tsukuba, Ibaraki 3050801, Japan
来源：
PHYSICS LETTERS B | 2009年 / 672卷 / 03期
基金：
美国国家科学基金会;
关键词：
NEUTRINO-MASS PROBLEM; SUPERSYMMETRIC MODELS; CP-VIOLATION; HIGGS; NONCONSERVATION; UNIFICATION; MECHANISM; ELECTRON; SPECTRUM; TRIPLET;
D O I：
10.1016/j.physletb.2008.12.068
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We consider extensions of the next-to-minimal supersymmetric model (NMSSM) in which the observed neutrino masses are described in terms of effective dimension six (or seven) rather than dimension five operators. All such operators respect the discrete symmetries of the model. The new particles associated with the double (or triple) seesaw mechanism can have sizable couplings to the known leptons, even with a TeV seesaw scale. In the latter case some of these new short-lived particles could be produced and detected at the LHC. (C) 2009 Elsevier B.V. All rights reserved.
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收藏
页码：235 / 239
页数：5
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