Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-12-09
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, 4 figures, 1 table
Scientific paper
In this work we study a mirror model with inverse seesaw neutrino masses in which symmetry breaking scales are fixed from bounds in the neutrino sector. The Higgs sector of the model has two doublets and neutral singlets. The mirror model can be tested at the LHC energies in several aspects. Two very distinctive signatures of the mirror model are a new neutral gauge boson $Z^{\prime}$, with a high invisible branching ratio, and a heavy Majorana neutrino production through the decay $Z^{\prime} \rightarrow N +\bar \nu$. This result is compared with heavy Majorana production through heavy pair production and the consequent same-sign dilepton production. The other important consequence of the mirror model is the prediction of the Higgs mass. A particular solution leads to a Higgs in the same region as in the standard model. There is, however, another natural solution where the Higgs mass is above 400 GeV.
Candido M. M.
Coutinho Y. A.
Malta Coraci P.
Martins Simões José Antonio
Ramalho A. J.
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