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

A. W. Thomas; N. Sato; N. T. Hunt-Smith; W. Melnitchouk; X. G. Wang

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

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arxiv 2410.01205 v3 pith:W7DNIRG6 submitted 2024-10-02 hep-ph hep-exnucl-th

X. G. Wang , N. T. Hunt-Smith , W. Melnitchouk , N. Sato , A. W. Thomas This is my paper

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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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