Systematic uncertainties from higher-twist corrections in DIS at large <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>x</mml:mi></mml:math>-Reference-Cited by-同舟云学术

Systematic uncertainties from higher-twist corrections in DIS at large x

Published:2025-05-09 Issue:9 Volume:111 Page:
ISSN:2470-0010
Container-title:Physical Review D
language:en
Short-container-title:Phys. Rev. D

Author:

Cerutti Matteo¹²^ORCID,Accardi Alberto¹²^ORCID,Fernando I. P.³^ORCID,Li Shujie⁴⁵^ORCID,Owens J. F.⁶^ORCID,Park Sanghwa²^ORCID

Affiliation:

1. Christopher Newport University

2. Jefferson Lab

3. University of Virginia

4. University of New Hampshire

5. Lawrence Berkeley National Laboratory

6. Florida State University

Abstract

We investigate the systematic uncertainties and potential biases arising from the inclusion of large-x corrections to proton and deuteron deep inelastic scattering (DIS) data in global quantum chromodynamics (QCD) analyses. Using the CTEQ-JLab framework, we examine various approaches to implementing higher-twist corrections in nucleon structure functions and off-shell PDF modifications in deuteron targets. We analyze how these components interact and influence the determination of the d-quark PDF and the neutron structure function at large x. We find that it is very important to consider isospin-dependent higher-twist corrections in order to minimize implementation biases in the extracted quantities.

Published by the American Physical Society

2025

Funder

U.S. Department of Energy

Publisher

American Physical Society (APS)

Link

http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevD.111.094013/fulltext

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