\begin{document}$ \sqrt{s} = 8 $\end{document} TeV, on the CT14HERA2 PDFs. We find that the top quark pair single differential distributions provide minor constraints on the CT14HERA2 gluon PDF when the nominal CT14HERA2 inclusive jet production data are included in the fit. Larger constraints on the gluon distribution are present when the jet data are removed (CT14HERA2mJ) and/or when increased weights are given to the top data in the CT14HERA2 fits. The weighted \begin{document}$ t\bar t $\end{document} data provide significant constraints on the CT14HERA2mJ gluon PDF, which are comparable to those obtained from inclusive jet production data. Furthermore, we examine the top quark mass sensitivity of the top-quark pair single differential distributions."> The impact of ATLAS and CMS single differential top-quark pair measurements at <inline-formula><tex-math id="M1">\begin{document}${\sqrt{ s}\bf{=8}}$\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="//www.macurncorp.com/hepnp/article/app/id/74c39d13-9ddc-4e70-b4e9-63cc55dce81a/CPC-2020-0425_M1.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="//www.macurncorp.com/hepnp/article/app/id/74c39d13-9ddc-4e70-b4e9-63cc55dce81a/CPC-2020-0425_M1.png"/></alternatives></inline-formula> TeV on CTEQ-TEA PDFs -
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