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Short-Distance Structure of Unpolarized Gluon Pseudodistributions

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arxiv 2111.06797 v2 pith:XWB3S7LA submitted 2021-11-12 hep-ph hep-lat

Ian Balitsky , Wayne Morris , Anatoly Radyushkin This is my paper
classification hep-phhep-lat
keywords resultsgluondiagramelementsgluon-quarkindicesmatrixunpolarized
verification ladder T0 review T1 audit T2 compute T3 formal
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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.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Pionic gluons from global QCD analysis of experimental and lattice data

    hep-ph 2025-07 conditional novelty 7.0 of 10

    A global fit of pion parton distributions including lattice gluon data reduces uncertainties on the high-x gluon PDF and indicates a gluon enhancement in the pion over the proton.

  2. Unpolarized gluon PDF of the nucleon from lattice QCD at physical point in the continuum limit

    hep-lat 2025-10 conditional novelty 6.0 of 10

    A lattice QCD extraction of the nucleon gluon PDF using three lattice spacings, hybrid renormalization and NLO matching, extrapolated to the continuum and infinite-momentum limits, agrees with global fits while remain...

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