Published August 29, 2024 | Version v1
Dataset Open

Towards unpolarized GPDs from pseudo-distributions: Generalized form factors dataset

Authors/Creators

  • 1. ROR icon William & Mary
  • 2. ROR icon Thomas Jefferson National Accelerator Facility
  • 3. ROR icon Old Dominion University
  • 4. Centre de Physique Théorique CNRS
  • 5. ROR icon Aix-Marseille Université

Description

We provide lattice QCD calculations of the proton's generalized form factors (moments of the proton's unpolarized generalized parton distributions) at a pion mass of 358 MeV and a lattice spacing of 0.094 fm, matched with leading logarithmic accuracy to mu = 2 GeV. This dataset is associated to the publication JHEP 08 (2024) 162 [arXiv:2405.10304]. 
 
We provide both data with a cut in Euclidean time of 3 lattice units (more precise statistically) and 4 lattice units (less precise, but with smaller excited state contamination). The result is a distribution of 348 jack-knife samples, constructed from 348 independent gauge configurations. The standard deviation of the jack-knife samples distribution should be multiplied by sqrt(347) to obtain an estimate of the true standard deviation of the distribution.

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Additional details

Funding

Office of Science
Jefferson Lab DOE Grant DE-AC05-06OR23177
Office of Science
US DOE Grant DE-FG02-04ER41302 DE-FG02-04ER41302
Office of Science
US DOE ECA DE-SC0023047 DE-SC0023047
Office of Science
US DOE Grant DE-FG02-97ER41028 DE-FG02-97ER41028
Office of Science
LDRD program at Jefferson Lab LDRD 2412
Office of Science
QGT Collaboration DOE Award DE-SC0023646
Agence Nationale de la Recherche
ANR-23-CE31-0019 ANR-23-CE31-0019
U.S. National Science Foundation
NSF Grant ACI-1548562 (XSEDE) ACI-1548562
Office of Science
NERSC DOE Grant DE- AC02-05CH11231
Office of Science
OLCF DOE Grant DE-AC05-00OR22725