2024-03-132024-03-132022-07-112666-4003http://hdl.handle.net/20.500.12613/9807We present the results of a global QCD analysis of helicity parton distribution functions (PDFs) that includes the latest polarized W-lepton production data from the STAR collaboration at the Relativistic Heavy-Ion Collider (RHIC). This data allows the first extraction of a nonzero helicity light-quark sea asymmetry within a simultaneous global QCD analysis of unpolarized and helicity PDFs.5 pagesengAttribution CC BYhttps://creativecommons.org/licenses/by/4.0/Text