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Title Evolution of Parton Distribution Functions in the Short-Distance Factorization Scheme
Authors Hervé Dutrieux, Joseph Karpie, Christopher Monahan, Konstantinos Orginos, Savvas Zafeiropoulos
JLAB number JLAB-THY-23-3951
LANL number arXiv:2310.19926
Other number DOE/OR/23177-7251
Document Type(s) (Journal Article) 
Associated with EIC: No
Supported by Jefferson Lab LDRD Funding: No
Funding Source: Nuclear Physics (NP)
 

Journal
Compiled for Journal of High Energy Physics
Volume 2024
Issue 61
Publication Abstract: Lattice QCD offers the possibility of computing parton distributions from first principles, although not in the usual M S factorization scheme. We study in this paper the evolution of non-singlet parton distribution functions (PDFs) in the short-distance factoriza- tion scheme which notably arises in lattice calculations in the pseudo-distribution approach. We provide an assessment of non-perturbative evolution of PDFs from already published lat- tice matrix elements, and show how this evolution can be used to reduce the fluctuation of the lattice data. We compare our result with expectations obtained thanks to a perturbative matching to MSbar. By highlighting the limitations of the current computations, we advocate for a new strategy using lattice calculations in small volume
Experiment Numbers:
Group: THEORY CENTER
Document: pdf
DOI: https://doi.org/10.1007/JHEP04(2024)061
Accepted Manuscript: JHEP04(2024)061.pdf
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