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Roberts, HLL; Bashir, A; Gutierrez-Guerrero, LX; Roberts, CD; Wilson, DJ; Roberts, HLL (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
pi and rho mesons, and their diquark partners, from a contact interaction
Source PublicationPHYSICAL REVIEW C
Language英语
KeywordElectromagnetic Form-factors Dyson-schwinger Equations Chiral-symmetry Breaking Anomalous Gamma Bound-states Qcd Model Light Nucleon Masses
AbstractWe present a unified Dyson-Schwinger equation treatment of static and electromagnetic properties of pseudoscalar and vector mesons, and scalar and axial-vector diquark correlations, based upon a vector-vector contact interaction. A basic motivation for this paper is the need to document a comparison between the electromagnetic form factors of mesons and those diquarks that play a material role in nucleon structure. A notable result, therefore, is the large degree of similarity between related meson and diquark form factors. The simplicity of the interaction enables computation of the form factors at arbitrarily large spacelike Q(2), which enables us to expose a zero in the rho-meson electric form factor at z(Q)(rho) approximate to root 6m(rho). Notably, r(rho)z(Q)(rho) approximate to r(D)z(Q)(D), where r(rho) and r(D) are, respectively, the electric radii of the rho-meson and deuteron.
2011
ISSN0556-2813
Volume83Issue:6Pages:65206
Subject AreaPhysics
Indexed BySCI
Funding OrganizationUS Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; Forschungszentrum Julich GmbH; Department of Energy ; US Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; Forschungszentrum Julich GmbH; Department of Energy ; US Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; Forschungszentrum Julich GmbH; Department of Energy ; US Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; Forschungszentrum Julich GmbH; Department of Energy
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14330
Collection理论物理所科研产出_SCI论文
Corresponding AuthorRoberts, HLL (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
Recommended Citation
GB/T 7714
Roberts, HLL,Bashir, A,Gutierrez-Guerrero, LX,et al. pi and rho mesons, and their diquark partners, from a contact interaction[J]. PHYSICAL REVIEW C,2011,83(6):65206.
APA Roberts, HLL,Bashir, A,Gutierrez-Guerrero, LX,Roberts, CD,Wilson, DJ,&Roberts, HLL .(2011).pi and rho mesons, and their diquark partners, from a contact interaction.PHYSICAL REVIEW C,83(6),65206.
MLA Roberts, HLL,et al."pi and rho mesons, and their diquark partners, from a contact interaction".PHYSICAL REVIEW C 83.6(2011):65206.
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