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Improved parton distribution functions at the physical pion mass

URN to cite this document:
urn:nbn:de:bvb:355-epub-383490
DOI to cite this document:
10.5283/epub.38349
Lin, Huey-Wen ; Chen, Jiunn-Wei ; Ishikawa, Tomomi ; Zhang, Jian-Hui
Date of publication of this fulltext: 14 Feb 2019 11:27


Abstract

We present the first lattice results on isovector unpolarized and longitudinally polarized parton distribution functions (PDFs) at physical pion mass. The PDFs are obtained using the large-momentum effective field theory (LaMET) framework where the full Bjorken-x dependence of finite-momentum PDFs, called “quasi-PDFs,” can be calculated on the lattice. The quasi-PDF nucleon matrix elements are ...

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