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Electroweak precision constraints on the electroweak-scale right-handed neutrino model | | Vinh Hoang
; Pham Q. Hung
; Ajinkya Kamat
; | | Date: |
2 Mar 2013 | | Abstract: | A model of electroweak-scale right-handed neutrino (ewnur) model was
constructed five years ago in which the right-handed neutrinos are members of
mirror fermion weak doublets and where the Majorana masses of the right-handed
neutrinos are found to be {em naturally} of the order of the electroweak
scale. These features facilitate their searches at the LHC through signals such
as like-sign dilepton events. This model contains, in addition to the mirror
quarks and leptons, extra scalars transforming as weak triplets. In this paper,
we study the constraints imposed on these additional particles by the
electroweak precision parameters S, T, and U. These constraints are crucial in
determining the viability of the electroweak $
u_R$ model and the allowed
parameter space needed for a detailed phenomenology of the model. | | Source: | arXiv, 1303.0428 | | Services: | Forum | Review | PDF | Favorites | |
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