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arXiv · 2410.01205

Constraints on the $U(1)_{B-L}$ model from global QCD analysis

X. G. Wang·N. T. Hunt-Smith·W. Melnitchouk·N. Sato·A. W. Thomas
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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 $\chi^2$ 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 $M_{Z'} = 2$ to 160 GeV.

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X. G. Wang, N. T. Hunt-Smith, W. Melnitchouk, N. Sato, A. W. Thomas. 2024-10-02. Constraints on the $U(1)_{B-L}$ model from global QCD analysis. https://doi.org/10.1103/physrevd.111.015019

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