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Title: Parton distribution function with nonperturbative renormalization from lattice QCD

Abstract

We present lattice results for the isovector unpolarized parton distribution with nonperturbative regularization-invariant momentum-subtraction scheme (RI/MOM) renormalization on the lattice. In the framework of large-momentum effective field theory (LaMET), the full Bjorken-x dependence of a momentum-dependent quasidistribution is calculated on the lattice and matched to the ordinary light cone parton distribution at one-loop order, with power corrections included. The important step of RI/MOM renormalization that connects the lattice and continuum matrix elements is detailed in this paper. A few consequences of the results are also addressed here.

Authors:
; ; ; ; ; ; ;  [1]
  1. (LP3)
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
Contributing Org.:
Lattice Parton Physics Project (LP3)
OSTI Identifier:
1417531
Alternate Identifier(s):
OSTI ID: 1501639
Grant/Contract Number:  
SC0011090; SC0012704
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 97 Journal Issue: 1; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Chen, Jiunn-Wei, Ishikawa, Tomomi, Jin, Luchang, Lin, Huey-Wen, Yang, Yi-Bo, Zhang, Jian-Hui, Zhao, Yong, and Lattice Parton Physics Project. Parton distribution function with nonperturbative renormalization from lattice QCD. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.97.014505.
Chen, Jiunn-Wei, Ishikawa, Tomomi, Jin, Luchang, Lin, Huey-Wen, Yang, Yi-Bo, Zhang, Jian-Hui, Zhao, Yong, & Lattice Parton Physics Project. Parton distribution function with nonperturbative renormalization from lattice QCD. United States. doi:10.1103/PhysRevD.97.014505.
Chen, Jiunn-Wei, Ishikawa, Tomomi, Jin, Luchang, Lin, Huey-Wen, Yang, Yi-Bo, Zhang, Jian-Hui, Zhao, Yong, and Lattice Parton Physics Project. Fri . "Parton distribution function with nonperturbative renormalization from lattice QCD". United States. doi:10.1103/PhysRevD.97.014505.
@article{osti_1417531,
title = {Parton distribution function with nonperturbative renormalization from lattice QCD},
author = {Chen, Jiunn-Wei and Ishikawa, Tomomi and Jin, Luchang and Lin, Huey-Wen and Yang, Yi-Bo and Zhang, Jian-Hui and Zhao, Yong and Lattice Parton Physics Project},
abstractNote = {We present lattice results for the isovector unpolarized parton distribution with nonperturbative regularization-invariant momentum-subtraction scheme (RI/MOM) renormalization on the lattice. In the framework of large-momentum effective field theory (LaMET), the full Bjorken-x dependence of a momentum-dependent quasidistribution is calculated on the lattice and matched to the ordinary light cone parton distribution at one-loop order, with power corrections included. The important step of RI/MOM renormalization that connects the lattice and continuum matrix elements is detailed in this paper. A few consequences of the results are also addressed here.},
doi = {10.1103/PhysRevD.97.014505},
journal = {Physical Review D},
number = 1,
volume = 97,
place = {United States},
year = {2018},
month = {1}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevD.97.014505

Citation Metrics:
Cited by: 25 works
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Figures / Tables:

FIG. 1. FIG. 1. : Comparison between the renormalization constants obtained with the point source and the momentum source for z ≤ 2, taking the pz = 6$π$/L case as an example. The values are normalized by the central value of the renormalization constant at z = 0 and the real partsmore » are subtracted by unity for a better comparison. It is obvious that with the same configurations, the signal from the momentum source can be much better than that from the point source, while the values are consistent with each other.« less

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    Works referencing / citing this record:

    Light-Cone Parton Distribution Functions from Lattice QCD
    text, January 2018

    • Alexandrou, Constantia; Cichy, Krzysztof; Constantinou, Martha
    • Deutsches Elektronen-Synchrotron, DESY, Hamburg
    • DOI: 10.3204/pubdb-2018-03714

      Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.