Can we fit our nuclear PDFs with the high-$x$ CLAS data?

Understand

Nuclear parton distribution functions (nuclear PDFs) are non-perturbative objects that encode the partonic behaviour of bound nucleons.

• To avoid potential higher-twist contributions, the data probing the high-$x$ end of nuclear PDFs are sometimes left out from the global extractions despite their potential to constrain the fit parameters.
• In the present work we focus on the kinematic corner covered by the new high-$x$ data measured by the CLAS/JLab collaboration.
• By using the Hessian re-weighting technique, we are able to quantitatively test the compatibility of these data with globally analyzed nuclear PDFs and explore the expected impact on the valence-quark distributions at high $x$.