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Segovia, J; Chang, L; Cloet, IC; Roberts, CD; Schmidt, SM; Zong, HS; Roberts, CD (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
Distribution amplitudes of light-quark mesons from lattice QCD
Source PublicationPHYSICS LETTERS B
Language英语
KeywordPion Form-factor Quantum Chromodynamics Exclusive Processes Asymptotic-behavior Gauge-theories Factorization Decays Extraction Equations Nucleon
AbstractWe exploit a method introduced recently to determine parton distribution amplitudes (PDAs) from minimal information in order to obtain light-quark pseudoscalar and vector meson PDAs from the limited number of moments produced by numerical simulations of lattice-regularised QCD. Within errors, the PDAs of pseudoscalar and vector mesons constituted from the same valence quarks are identical; they are concave functions, whose dilation expresses the strength of dynamical chiral symmetry breaking; and SU(3)-flavour symmetry is broken nonperturbatively at the level of 10%. Notably, the appearance of precision in the lattice moments is misleading. The moments also exhibit material dependence on lattice volume, especially for the pion. Improvements need therefore be made before an accurate, unified picture of the light-front structure of light-quark pseudoscalar and vector mesons is revealed. (C) 2014 Published by Elsevier BAT. This is an open access article under the CC BY license (http://creativecommons.orgilicenses/by/3.01).
2014
ISSN0370-2693
Volume731Issue:-Pages:13-18
Subject AreaPhysics
DOI10.1016/j.physletb.2014.02.006
Indexed BySCI
Funding OrganizationUniversity of Adelaide; Australian Research Council [FL0992247]; Forschungszentrum Julich GmbH; Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; GAUSTEQ (Germany); GAUSTEQ (U.S. Nuclear Theory Exchange Program for QCD Studies of Hadrons and Nuclei) [DE-SC0006758]; National Natural Science Foundation of China [11275097, 10935001, 11075075]; Research Fund for the Doctoral Program of Higher Education [2012009111002] ; University of Adelaide; Australian Research Council [FL0992247]; Forschungszentrum Julich GmbH; Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; GAUSTEQ (Germany); GAUSTEQ (U.S. Nuclear Theory Exchange Program for QCD Studies of Hadrons and Nuclei) [DE-SC0006758]; National Natural Science Foundation of China [11275097, 10935001, 11075075]; Research Fund for the Doctoral Program of Higher Education [2012009111002] ; University of Adelaide; Australian Research Council [FL0992247]; Forschungszentrum Julich GmbH; Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; GAUSTEQ (Germany); GAUSTEQ (U.S. Nuclear Theory Exchange Program for QCD Studies of Hadrons and Nuclei) [DE-SC0006758]; National Natural Science Foundation of China [11275097, 10935001, 11075075]; Research Fund for the Doctoral Program of Higher Education [2012009111002] ; University of Adelaide; Australian Research Council [FL0992247]; Forschungszentrum Julich GmbH; Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; GAUSTEQ (Germany); GAUSTEQ (U.S. Nuclear Theory Exchange Program for QCD Studies of Hadrons and Nuclei) [DE-SC0006758]; National Natural Science Foundation of China [11275097, 10935001, 11075075]; Research Fund for the Doctoral Program of Higher Education [2012009111002]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15790
Collection理论物理所科研产出_SCI论文
Corresponding AuthorRoberts, CD (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
Recommended Citation
GB/T 7714
Segovia, J,Chang, L,Cloet, IC,et al. Distribution amplitudes of light-quark mesons from lattice QCD[J]. PHYSICS LETTERS B,2014,731(-):13-18.
APA Segovia, J.,Chang, L.,Cloet, IC.,Roberts, CD.,Schmidt, SM.,...&Roberts, CD .(2014).Distribution amplitudes of light-quark mesons from lattice QCD.PHYSICS LETTERS B,731(-),13-18.
MLA Segovia, J,et al."Distribution amplitudes of light-quark mesons from lattice QCD".PHYSICS LETTERS B 731.-(2014):13-18.
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