• Open Access

Self-consistent determination of proton and nuclear PDFs at the Electron Ion Collider

Rabah Abdul Khalek, Jacob J. Ethier, Emanuele R. Nocera, and Juan Rojo
Phys. Rev. D 103, 096005 – Published 11 May 2021

Abstract

We quantify the impact of unpolarized lepton-proton and lepton-nucleus inclusive deep-inelastic scattering (DIS) cross section measurements from the future Electron-Ion Collider (EIC) on the proton and nuclear parton distribution functions (PDFs). To this purpose, we include neutral- and charged-current DIS pseudodata in a self-consistent set of proton and nuclear global PDF determinations based on the NNPDF methodology. We demonstrate that the EIC measurements will reduce the uncertainty of the light quark PDFs of the proton at large values of the momentum fraction x and, more significantly, of the quark and gluon PDFs of heavy nuclei, especially at small and large x. We illustrate the implications of the improved precision of nuclear PDFs for the interaction of ultrahigh energy cosmic neutrinos with matter.

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  • Received 4 February 2021
  • Accepted 6 April 2021

DOI:https://doi.org/10.1103/PhysRevD.103.096005

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

Rabah Abdul Khalek1,2, Jacob J. Ethier1,2, Emanuele R. Nocera2,3, and Juan Rojo1,2

  • 1Department of Physics and Astronomy, VU Amsterdam, 1081 HV Amsterdam, Netherlands
  • 2Nikhef Theory Group, Science Park 105, 1098 XG Amsterdam, Netherlands
  • 3The Higgs Centre for Theoretical Physics, University of Edinburgh, JCMB, KB, Mayfield Road, Edinburgh EH9 3FD, United Kingdom

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Issue

Vol. 103, Iss. 9 — 1 May 2021

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