期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 11, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP11(2018)178
关键词
Lattice QCD; Lattice Quantum Field Theory
资金
- U.S. Department of Energy [DE-FG02-04ER41302, DE-AC05-06OR23177]
- DFG [SFB 1225]
- STFC [ST/P000681/1]
- U.S. Department of Energy, Office of Science, Office of Workforce Development for Teachers and Scientists, Office of Science Graduate Student Research (SCGSR) program
- DOE [DE-SC0014664]
- National Science Foundation (MRI grant) [PHY-1626177]
- Commonwealth of Virginia Equipment Trust Fund
- Office of Science of the U.S. Department of Energy [DE-AC02- 05CH11231]
We examine the relation of moments of parton distribution functions to matrix elements of non-local operators computed in lattice quantum chromodynamics. We argue that after the continuum limit is taken, these non-local matrix elements give access to moments that are fi nite and can be matched to those de fi ned in the MS scheme. We demonstrate this fact with a numerical computation of moments through non-local matrix elements in the quenched approximation and we fi nd that these moments are in agreement with the moments obtained from direct computations of local twist-2 matrix elements in the quenched approximation.
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