Determination of the parton distribution functions of the proton from ATLAS measurements of differential W± and Z boson production in association with jets Aad, G. Aguilar Saavedra, Juan Antonio Atlas Collaboration Hadron-Hadron scattering (experiments) QCD This article presents a new set of proton parton distribution functions, ATLASepWZVjet20, produced in an analysis at next-to-next-to-leading order in QCD. The new data sets considered are the measurements of W+ and W− boson and Z boson production in association with jets in pp collisions at s = 8 TeV performed by the ATLAS experiment at the LHC with integrated luminosities of 20.2 fb−1 and 19.9 fb−1, respectively. The analysis also considers the ATLAS measurements of differential W± and Z boson production at s = 7 TeV with an integrated luminosity of 4.6 fb−1 and deep-inelastic-scattering data from e±p collisions at the HERA accelerator. An improved determination of the sea-quark densities at high Bjorken x is shown, while confirming a strange-quark density similar in size to the up- and down-sea-quark densities in the range x ≲ 0.02 found by previous ATLAS analyses. 2021-11-09T08:25:35Z 2021-11-09T08:25:35Z 2021-07-29 journal article The ATLAS collaboration., Aad, G., Abbott, B. et al. Determination of the parton distribution functions of the proton from ATLAS measurements of differential W± and Z boson production in association with jets. J. High Energ. Phys. 2021, 223 (2021). [https://doi.org/10.1007/JHEP07(2021)223] http://hdl.handle.net/10481/71379 10.1007/JHEP07(2021)223 eng http://creativecommons.org/licenses/by/3.0/es/ open access Atribución 3.0 España Springer