Neutrino mass operators of dimension up to nine in two-Higgs-doublet model

被引：10
|
作者：
Liao, Yi [1 ,2 ]
机构：
[1] Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China
[2] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
来源：
PHYSICS LETTERS B | 2011年 / 698卷 / 04期
关键词：
Neutrino mass; Seesaw; Effective field theory; Two Higgs doublets;
D O I：
10.1016/j.physletb.2011.03.025
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study higher-dimensional neutrino mass operators in a low energy theory that contains a second Higgs doublet, the two Higgs doublet model. The operators are relevant to underlying theories in which the lowest dimension-five mass operators would not be induced. We list the independent operators with dimension up to nine with the help of Young tableau. Also listed are the lowest dimension-seven operators that involve gauge bosons and violate the lepton number by two units. We briefly mention some of possible phenomenological implications. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：288 / 292
页数：5
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