ITP OpenIR  > SCI期刊论文
Fan, ZY; Yang, YB; Anthony, A; Lin, HW; Liu, KF
Gluon Quasi-Parton-Distribution Functions from Lattice QCD
AbstractWe present the first attempt to access the x dependence of the gluon unpolarized parton-distribution function (PDF), based on lattice simulations using the large-momentum effective theory approach. The lattice calculation is carried out with pion masses of 340 and 678 MeV on a (2 + 1)-flavor domain-wall fermion configuration with lattice spacing a = 0.111 fm, for the gluon quasi-PDF matrix element with the nucleon momentum up to 0.93 GeV. Taking the normalization from similar matrix elements in the rest frame of the nucleon and pion, our results for these matrix elements are consistent with the Fourier transform of the global fit CT14 and PDF4LHC15 NNLO of the gluon PDF, within statistical uncertainty and the systematic one up to power corrections, perturbative O(alpha(s)) matching and the mixing from the quark PDFs.
Subject AreaPhysics
MOST Discipline CataloguePhysics, Multidisciplinary
Indexed BySCIE
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Document Type期刊论文
Affiliation1.[Fan, Zhou-You
2.Yang, Yi-Bo
3.Anthony, Adam
4.Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
5.Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
6.Michigan State Univ, Dept Computat Math Sci & Engn, E Lansing, MI 48824 USA
7.Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
Recommended Citation
GB/T 7714
Fan, ZY,Yang, YB,Anthony, A,et al. Gluon Quasi-Parton-Distribution Functions from Lattice QCD[J]. PHYSICAL REVIEW LETTERS,2018,121(24):242001.
APA Fan, ZY,Yang, YB,Anthony, A,Lin, HW,&Liu, KF.(2018).Gluon Quasi-Parton-Distribution Functions from Lattice QCD.PHYSICAL REVIEW LETTERS,121(24),242001.
MLA Fan, ZY,et al."Gluon Quasi-Parton-Distribution Functions from Lattice QCD".PHYSICAL REVIEW LETTERS 121.24(2018):242001.
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