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arXiv · 1810.00048

Power corrections and renormalons in parton quasi-distributions

V. Braun·A. Vladimirov·J. -H. Zhang
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Abstract

Perturbative expansions for short-distance quantities in QCD are factorially divergent and this deficiency can be turned into a useful tool to investigate nonperturbative corrections. In this work, we use this approach to study the structure of power corrections to parton quasi-distributions and pseudo-distributions which appear in lattice calculations of parton distribution functions. As the main result, we predict the functional dependence of the leading power corrections to quasi(pseudo)-distributions on the Bjorken $x$ variable. We also show that these corrections can be strongly affected by the normalization procedure.

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V. Braun, A. Vladimirov, J. -H. Zhang. 2018-09-28. Power corrections and renormalons in parton quasi-distributions. https://doi.org/10.1103/physrevd.99.014013

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