Author(s): P. C. Barry, A. Prokudin, T. Anderson, C. Cocuzza, L. Gamberg, W. Melnitchouk, E. Moffat, D. Pitonyak, J.-W. Qiu, N. Sato, A. Vladimirov, and R. M. Whitehill (JAM Collaboration (TMD Analysis Group) We present the first simultaneous global QCD analysis of unpolarized transverse momentum dependent (TMD) and collinear parton distribution functions (PDFs) in the proton. Our Letter incorporates data from deep-inelastic scattering, Drell-Yan, inclusive weak boson, $W+$ charm, and jet production invo… [Phys. Rev. Lett. 137, 171902] Published Wed Oct 21, 2026