Constraints on the U(1)B-L model from global QCD analysis
Abstract
We perform the first global QCD analysis of electron-nucleon deep-inelastic scattering and related high-energy data including the beyond the Standard Model U(1)B-L gauge boson, Z'. Contrary to the dark photon case, we find no improvement in the 2 relative to the baseline result. The finding allows us to place exclusion limits on the coupling constant of the Z' with mass in the range MZ' = 2 to 160 GeV.
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