Accessing Gluon Parton Distributions in Large Momentum Effective Theory

URN to cite this document:: urn:nbn:de:bvb:355-epub-455095
DOI to cite this document:: 10.5283/epub.45509

Zhang, Jian-Hui ; Ji, Xiangdong ; Schäfer, Andreas ; Wang, Wei

; Zhao, Shuai

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Date of publication of this fulltext: 06 Apr 2021 14:05

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Abstract

Gluon parton distribution functions (PDFs) in the proton can be calculated directly on Euclidean lattices using large momentum effective theory (LaMET). To realize this goal, one has to find renormalized gluon quasi-PDFs in which power divergences and operator mixing are thoroughly understood. For the unpolarized distribution, we identify four independent quasi-PDF correlators that can be ...