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Proceedings of XXII. International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2014)
We report on a recent study of the possibility of intrinsic (non-perturbative) charm in parton distribution functions (PDFs) of the proton, within the context of the CT10 next-to-next-to-leading order (NNLO) global analysis. We also report on a study of uncertainties in the production of the Higgs boson and tt through gluon fusion at the LHC, arising from uncertainties of the PDFs and of the value of the strong coupling constant α s (M Z ). Comparison is made between the predictions of thedoi:10.22323/1.203.0146 fatcat:rrifs5tk4fauxhamr34q2nv75m