Nucleon helicity and transversity parton distributions from lattice QCD

URN to cite this document:: urn:nbn:de:bvb:355-epub-372206
DOI to cite this document:: 10.5283/epub.37220

Chen, Jiunn-Wei

; Cohen, Saul D. ; Ji, Xiangdong ; Lin, Huey-Wen ; Zhang, Jian-Hui

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Date of publication of this fulltext: 26 Apr 2018 14:11

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Abstract

We present the first lattice-QCD calculation of the isovector polarized parton distribution functions (both helicity and transversity) using the large-momentum effective field theory (LaMET) approach for direct Bjorken-x dependence. We first review the detailed steps of the procedure in the unpolarized case, then generalize to the helicity and transversity cases. We also derive a new ...