ITP OpenIR  > SCI期刊论文
Horkel, Derek; Bi, Yujiang1; Constantinou, Martha; Draper, Terrence; Liang, Jian; Liu, Keh-Fei; Liu, Zhaofeng1,3; Yang, Yi-Bo
Nucleon isovector tensor charge from lattice QCD using chiral fermions
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordANOMALOUS DIMENSION PHYSICS
AbstractIn this work we present the isovector flavor combination for the nucleon tensor charge extracted from lattice QCD simulations using overlap fermions on N-f = 2 + 1 domain-wall configurations. The pion mass dependence is studied using six valence quark masses, each reproducing a value for the pion mass in the valence sector between 147 and 330 MeV. We investigate and eliminate systematic uncertainties due to contamination by excited states, by employing several values for the source-sink separation that span from I to 1.6 fm. We apply a chiral extrapolation in the valence sector using a quadratic and a logarithmic term to fit the pion mass dependence, which describes well the lattice data. The lattice matrix element is renormalized nonperturbatively, and the final result is g(T) = 1.096(30) in the (MS) over bar scheme at a renormalization scale of 2 GeV.
2020
ISSN2470-0010
Volume101Issue:9Pages:94501
Cooperation Status国际
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.101.094501
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27042
CollectionSCI期刊论文
Affiliation1.Temple Univ, Dept Phys, Philadelphia, PA 19122 USA
2.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
3.Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
4.Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China
5.Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
6.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Horkel, Derek,Bi, Yujiang,Constantinou, Martha,et al. Nucleon isovector tensor charge from lattice QCD using chiral fermions[J]. PHYSICAL REVIEW D,2020,101(9):94501.
APA Horkel, Derek.,Bi, Yujiang.,Constantinou, Martha.,Draper, Terrence.,Liang, Jian.,...&Yang, Yi-Bo.(2020).Nucleon isovector tensor charge from lattice QCD using chiral fermions.PHYSICAL REVIEW D,101(9),94501.
MLA Horkel, Derek,et al."Nucleon isovector tensor charge from lattice QCD using chiral fermions".PHYSICAL REVIEW D 101.9(2020):94501.
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