Implications of the discovery of a Higgs triplet on electroweak right-handed neutrinos

Abstract

Electroweak scale active right-handed neutrinos such as those proposed in a recent model necessitate the enlargement of the SM Higgs sector to include Higgs triplets with doubly charged scalars. The search for and constraints on such Higgs sector has implications not only on the nature of the electroweak symmetry breaking but also on the possibility of testing the seesaw mechanism at colliders such as the LHC and the ILC.

RevTex, 20 pages, 8 figures. Version which appeared in JHEP 0811:092, 2008. Minor typos corrected and minor comments added

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