期刊
PHYSICS LETTERS B
卷 698, 期 4, 页码 288-292出版社
ELSEVIER
DOI: 10.1016/j.physletb.2011.03.025
关键词
Neutrino mass; Seesaw; Effective field theory; Two Higgs doublets
资金
- 973 Program [2010CB-833000]
- [NSFC-10775074]
- [NSFC-10975078]
- [NSFC-11025525]
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.
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