Parton distribution function uncertainties & nuclear corrections for the LHC

4 pages, 2 Figures. Talk given at the XLIIIth Rencontres de Moriond QCD and High Energy Interactions. Talk given at the 16th International Workshop on Deep-Inelastic Scattering (DIS2008)International audienceWe study nuclear effects of charged current deep inelastic neutrino-iron scattering in the framework of a chi^2 analysis of parton distribution functions (PDFs). We extract a set of iron PDFs which are used to compute x_Bj-dependent and Q^2-dependent nuclear correction factors for iron structure functions which are required in global analyses of free nucleon PDFs. We compare our results with nuclear correction factors from neutrino-nucleus scattering models and correction factors for charged lepton-iron scattering. We find that, except for very high x_Bj, our correction factors differ in both shape and magnitude from the correction factors of the models and charged-lepton scattering