Using public ATLAS dilepton data, the B-L Z' is excluded below 4-6 TeV for g_BL=0.1-0.5, with limits relaxing when invisible decays are allowed and extending to about 7.5 TeV at HL-LHC.
LHC Search for Right-handed Neutrinos in $Z^\prime$ Models
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We consider right-handed neutrino pair production in generic $Z^\prime$ models. We propose a new, model-independent analysis using final states containing a pair of same-sign muons. A key aspect of this analysis is the reconstruction of the RH neutrino mass, which leads to a significantly improved sensitivity. Within the $U(1)_{(B-L)_{3}}$ model, we find that at the HL-LHC it will be possible to probe RH neutrino masses in the range $0.2\lesssim M_{N_R} \lesssim 1.1\,$TeV.
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LHC and HL-LHC Bounds on Visible and Invisible Decays in the $B-L$ Model
Using public ATLAS dilepton data, the B-L Z' is excluded below 4-6 TeV for g_BL=0.1-0.5, with limits relaxing when invisible decays are allowed and extending to about 7.5 TeV at HL-LHC.