Document Type

Article

Publication Date

2022

DOI

10.1103/PhysRevD.105.014008

Publication Title

Physical Review D

Volume

105

Issue

1

Pages

014008 (1-10)

Abstract

We present the results that form the basis for calculations of the unpolarized gluon parton distributions (PDFs) using the pseudo-PDF approach. We give the results for the most complicated box diagram both for gluon bilocal operators with arbitrary indices and for combinations of indices corresponding to three matrix elements that are most convenient to extract the twist-2 invariant amplitude. We also present detailed results for the gluon-quark transition diagram. The additional results for the box diagram and the gluon-quark contribution may be used for extractions of the gluon PDF from different matrix elements, with a possible cross-check of the results obtained in this way.

Comments

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) 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.

Original Publication Citation

Balitsky, I., Morris, W., & Radyushkin, A. (2022). Short-distance structure of unpolarized gluon pseudodistributions. Physical Review D, 105(1), 1-10, Article 014008. https://doi.org/10.1103/PhysRevD.105.014008

ORCID

0000-0002-9326-1300 (Radyushkin)

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