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A hybrid renormalization scheme for quasi light-front correlations in large-momentum effective theory

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Ji, Xiangdong ; Liu, Yizhuang ; Schäfer, Andreas ; Wang, Wei ; Yang, Yi-Bo ; Zhang, Jian-Hui ; Zhao, Yong
License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 01 Apr 2021 09:58


In large-momentum effective theory (LaMET), calculating parton physics starts from calculating coordinate-space-z correlation functions in a hadron of momentum in lattice QCD. Such correlation functions involve both linear and logarithmic divergences in lattice spacing a, and thus need to be properly renormalized. We introduce a hybrid renormalization procedure to match these lattice correlations ...


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