Unpolarized isovector quark distribution function from lattice QCD: A systematic analysis of renormalization and matching

doi:10.1103/PhysRevD.101.034020

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	Unpolarized isovector quark distribution function from lattice QCD: A systematic analysis of renormalization and matching
	Liu, Yu-Sheng ; Chen, Jiunn-Wei ; Huo, Yi-Kai ; Jin, Luchang 1,2; Schlemmer, Maximilian ; Schaefer, Andreas ; Sun, Peng 4; Wang, Wei 14; Yang, Yi-Bo ; Zhang, Jian-Hui
刊名	PHYSICAL REVIEW D
	2020
卷号	101 期号:3 页码:34020
关键词	NONPERTURBATIVE RENORMALIZATION DISTRIBUTION AMPLITUDE
ISSN号	2470-0010
DOI	10.1103/PhysRevD.101.034020
英文摘要	We present a detailed lattice QCD study of the unpolarized isovector quark parton distribution function (PDF) using a large-momentum effective theory framework. We choose a quasi-PDF defined by a spatial correlator which is free from mixing with other operators of the same dimension. In the lattice simulation, we use a Gaussian-momentum-smeared source at M-pi = 356 MeV and P-z is an element of {1.8, 2.3} GeV. To control the systematics associated with the excited states, we explore five different source-sink separations. The nonperturbative renormalization is conducted in a regularization-independent momentum subtraction scheme, and the matching between the renormalized quasi-PDF and (MS) over bar PDF is calculated based on perturbative QCD up to one-loop order. Systematic errors due to renormalization and perturbative matching are also analyzed in detail. Our results for light-cone PDF are in reasonable agreement with the latest phenomenological analysis.
学科主题	Astronomy & Astrophysics ; Physics
语种	英语
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/27127]
专题	理论物理研究所_理论物理所1978-2010年知识产出
作者单位	1.Shanghai Jiao Tong Univ, Zhiyuan Coll, Shanghai 200240, Peoples R China 2.Univ Connecticut, Phys Dept, Storrs, CT 06269 USA 3.Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA 4.Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany 5.Nanjing Normal Univ, Nanjing 210023, Jiangsu, Peoples R China 6.Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA 7.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China 8.Beijing Normal Univ, Ctr Adv Quantum Studies, Dept Phys, Beijing 100875, Peoples R China 9.Brookhaven Natl Lab, Phys Dept, Bldg 510A, Upton, NY 11973 USA 10.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Liu, Yu-Sheng,Chen, Jiunn-Wei,Huo, Yi-Kai,et al. Unpolarized isovector quark distribution function from lattice QCD: A systematic analysis of renormalization and matching[J]. PHYSICAL REVIEW D,2020,101(3):34020.
APA	Liu, Yu-Sheng.,Chen, Jiunn-Wei.,Huo, Yi-Kai.,Jin, Luchang.,Schlemmer, Maximilian.,...&Zhao, Yong.(2020).Unpolarized isovector quark distribution function from lattice QCD: A systematic analysis of renormalization and matching.PHYSICAL REVIEW D,101(3),34020.
MLA	Liu, Yu-Sheng,et al."Unpolarized isovector quark distribution function from lattice QCD: A systematic analysis of renormalization and matching".PHYSICAL REVIEW D 101.3(2020):34020.