Reconstructing a Heavy Neutral Lepton at the LHC

Pablo de la Torre, Manuel Masip, Fuensanta Vilches

Heavy lepton singlets $N$ slightly mixed with a standard neutrino ${\nu }_{\ell }$ are usually searched for at the LHC in the trilepton plus $p_{\mathrm{T}}^{\mathrm{miss}}$ channel: $pp \to W^+ \to…