RI/MOM renormalization of the parton quasidistribution functions in lattice regularization

URN to cite this document:: urn:nbn:de:bvb:355-epub-517381
DOI to cite this document:: 10.5283/epub.51738

Zhang, Kuan ; Li, Yuan-Yuan ; Huo, Yi-Kai ; Schäfer, Andreas ; Sun, Peng ; Yang, Yi-Bo

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Date of publication of this fulltext: 20 Feb 2022 14:17

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Abstract

We analyze the lattice spacing dependence for the pion unpolarized matrix element of a quark bilinear operator with a Wilson link (parton quasi distribution functions operator, quasi-PDFs) in the rest frame, using 13 lattice spacings ranging from 0.032 to 0.121 fm. We compare results for three different fermion actions with or without good chiral symmetry on dynamical gauge ensembles from three ...