ITP OpenIR  > 理论物理所2011年知识产出
pi and rho mesons, and their diquark partners, from a contact interaction
Roberts, HLL; Bashir, A; Gutierrez-Guerrero, LX; Roberts, CD; Wilson, DJ; Roberts, HLL (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
2011
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号83期号:6页码:65206
摘要We 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.
部门归属[Roberts, H. L. L.; Roberts, C. D.; Wilson, D. J.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA; [Roberts, H. L. L.; Roberts, C. D.] Forschungszentrum Julich, Inst Kernphys, D-52425 Julich, Germany; [Roberts, H. L. L.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA; [Bashir, A.; Gutierrez-Guerrero, L. X.] Univ Michoacana, Inst Fis & Matemat, Morelia 58040, Michoacan, Mexico; [Bashir, A.; Roberts, C. D.] Kavli Inst Theoret Phys China, CAS, Beijing 100190, Peoples R China; [Roberts, C. D.] Peking Univ, Ctr High Energy Phys, Dept Phys, Beijing 100871, Peoples R China; [Roberts, C. D.] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
关键词Electromagnetic Form-factors Dyson-schwinger Equations Chiral-symmetry Breaking Anomalous Gamma Bound-states Qcd Model Light Nucleon Masses
学科领域Physics
资助者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 ; US Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; Forschungszentrum Julich GmbH; Department of Energy
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收录类别SCI
语种英语
资助者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 ; US Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; Forschungszentrum Julich GmbH; Department of Energy
WOS记录号WOS:000291935600002
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被引频次:75[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14330
专题理论物理所2011年知识产出
通讯作者Roberts, HLL (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
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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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