Pion generalized parton distribution from lattice QCD

URN to cite this document:: urn:nbn:de:bvb:355-epub-454667
DOI to cite this document:: 10.5283/epub.45466

Chen, Jiunn-Wei ; Lin, Huey-Wen ; Zhang, Jian-Hui

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Date of publication of this fulltext: 01 Apr 2021 15:35

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Abstract

We present the first lattice calculation of the valence-quark generalized parton distribution (GPD) of the pion using the large-momentum effective theory (LaMET) approach. We focus on the zero-skewness limit, where the GPD has a probability-density interpretation in the longitudinal Bjorken xand the transverse impact-parameter distributions. Our calculation is done using clover valence fermions ...