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Fan, Zhouyou; Gao, Xiang1,2; Li, Ruizi; Lin, Huey-Wen; Karthik, Nikhil1; Mukherjee, Swagato1; Petreczky, Peter1; Syritsyn, Sergey4,5; Yang, Yi-Bo; Zhang, Rui3
Isovector parton distribution functions of the proton on a superfine lattice
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordBOSON
AbstractWe study isovector unpolarized and helicity parton distribution functions (PDF) of the proton within the framework of large-momentum effective theory. We use a gauge ensemble, generated by the MILC Collaboration, with a superfine lattice spacing of 0.042 fm and a pion mass of 310 MeV, enabling us to simultaneously reach sub-Fermi spatial separations and larger nucleon momenta. We compare the spatial dependence of quasi-PDF matrix elements in different renormalization schemes with the corresponding results of the global fits, obtained using one-loop perturbative matching. We present determinations of the first four moments of the unpolarized and helicity PDFs of proton from the Ioffe-time dependence of the isovector matrix elements, obtained by employing a ratio-based renormalization scheme.
2020
ISSN1550-7998
Volume102Issue:7Pages:74504
Cooperation Status国际
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.102.074504
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27371
CollectionSCI期刊论文
Affiliation1.Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
2.Brookhaven Natl Lab, Phys Dept, Upton, NY 11973 USA
3.Tsinghua Univ, Phys Dept, Beijing 100084, Peoples R China
4.Michigan State Univ, Dept Computat Math, E Lansing, MI 48824 USA
5.Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA
6.SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
7.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Fan, Zhouyou,Gao, Xiang,Li, Ruizi,et al. Isovector parton distribution functions of the proton on a superfine lattice[J]. PHYSICAL REVIEW D,2020,102(7):74504.
APA Fan, Zhouyou.,Gao, Xiang.,Li, Ruizi.,Lin, Huey-Wen.,Karthik, Nikhil.,...&Zhang, Rui.(2020).Isovector parton distribution functions of the proton on a superfine lattice.PHYSICAL REVIEW D,102(7),74504.
MLA Fan, Zhouyou,et al."Isovector parton distribution functions of the proton on a superfine lattice".PHYSICAL REVIEW D 102.7(2020):74504.
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