PoS - Proceedings of Science
Volume 430 - The 39th International Symposium on Lattice Field Theory (LATTICE2022) - Hadron Structure
Continuum limit of parton distribution functions from the pseudo-distribution approach on the lattice
M. Bhat*, W. Chomicki, K. Cichy, M. Constantinou, J.R. Green and A. Scapellato
Full text: pdf
Pre-published on: January 26, 2023
Published on: April 06, 2023
Precise exploration of the partonic structure of the nucleon is one of the most important aims
of high-energy physics. In recent years, it has become possible to address this topic with firstprinciple lattice QCD investigations. In this talk, we focus on the so-called pseudo-distribution
approach to determine the isovector unpolarized PDFs. In particular, we employ three lattice
spacings to study discretization effects and extract the distributions in the continuum limit, at a
pion mass of around 370 MeV. Also, for the first time with pseudo-PDFs, we explore effects of
the 2-loop matching from pseudo- to light-cone distributions.
DOI: https://doi.org/10.22323/1.430.0094
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