Matches in SemOpenAlex for { <https://semopenalex.org/work/W3178721908> ?p ?o ?g. }
- W3178721908 abstract "We apply the Distillation spatial smearing program to the extraction of the unpolarized isovector valence PDF of the nucleon. The improved volume sampling and control of excited-states afforded by distillation leads to a dramatically improved determination of the requisite Ioffe-time Pseudo-distribution (pITD). The impact of higher-twist effects is subsequently explored by extending the Wilson line length present in our non-local operators to one half the spatial extent of the lattice ensemble considered. The valence PDF is extracted by analyzing both the matched Ioffe-time Distribution (ITD), as well as a direct matching of the pITD to the PDF. Through development of a novel prescription to obtain the PDF from the pITD, we establish a concerning deviation of the pITD from the expected DGLAP evolution of the pseudo-PDF. The presence of DGLAP evolution is observed once more following introduction of a discretization term into the PDF extractions. Observance and correction of this discrepancy further highlights the utility of distillation in such structure studies." @default.
- W3178721908 created "2021-07-19" @default.
- W3178721908 creator A5015748226 @default.
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- W3178721908 date "2021-07-12" @default.
- W3178721908 modified "2023-09-25" @default.
- W3178721908 title "Towards High-Precision Parton Distributions From Lattice QCD via Distillation" @default.
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