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Accessing Gluon Parton Distributions in Large Momentum Effective Theory

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Zhang, Jian-Hui ; Ji, Xiangdong ; Schäfer, Andreas ; Wang, Wei ; Zhao, Shuai
License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 06 Apr 2021 14:05


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 ...


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