Neutrino Mass Operators of Dimension up to Nine in Two-Higgs-doublet Model

Details Neutrino Mass Operators of Dimension up to Nine in Two-Higgs-doublet Model Neutrino Mass Operators of Dimension up to Nine in Two-Higgs-doublet Model

2010-10-26

arxiv.org/abs/1010.5326v2

Phys.Lett.B698:288-292,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

v1: 9 pages, no figs; v2: proofread version for PLB, 11 pages: further reduction of independent operators, and phenomenologica

Scientific paper

10.1016/j.physletb.2011.03.025

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.

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