Implementing the inverse type-II seesaw mechanism into the 3-3-1 model

Abstract

After the LHC is turning on and accumulating more data, the TeV scale seesaw mechanisms for small neutrino masses in the form of inverse seesaw mechanisms are gaining more and more attention once they provide neutrino masses at sub-eV scale and can be probed at the LHC. Here we restrict our investigation to the inverse type II seesaw case and implement it into the framework of the 3-3-1 model with right-handed neutrinos. As interesting result, the mechanism provides small masses to both the standard neutrinos as well as to the right-handed ones. Its best signature are the doubly charged scalars which are sextet by the 3-3-1 symmetry. We investigate their production at the LHC through the process $\sigma (pp\to Z^{\ast },{\gamma }^{\ast },Z^{\prime }\to {\Delta }^{++}{\Delta }^{--})$ and their signal through four leptons final state decay channel.

arXiv comment21 pages, 10 figures, minor changes, reference updated

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