$Z^{\prime }$s and sterile neutrinos from heterotic string models: exploring $Z^{\prime }$ mass exclusion limits

Abstract

We investigate the impact of sterile neutrinos on the decay rate of extra $Z^{\prime }$s with mass in the TeV range in heterotic string derived models. We explore the impact of sterile neutrinos on the current $Z^{\prime }$ mass exclusion limits at the LHC, and how these bounds change when the parameter space of this specific class of models is modified.

arXiv comment15 pages, 11 figures, regular article. Revised version accepted for a publication in EPJC

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