Covariant nucleon electromagnetic form factors from the Goldstone-boson-exchange quark model

被引:151
作者
Wagenbrunn, RF
Boffi, S
Klink, W
Plessas, W
Radici, M
机构
[1] Graz Univ, Inst Theoret Phys, A-8010 Graz, Austria
[2] Univ Pavia, Dipartimento Fis Nucl & Teor, I-27100 Pavia, Italy
[3] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy
[4] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
关键词
nucleon electromagnetic form factors; constituent quark model; point-form quantum mechanics;
D O I
10.1016/S0370-2693(01)00622-0
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a study of pro ton and neutron electromagnetic form factors for the recently proposed Goldstone-boson-exchange constituent quark model. Results for charge radii, magnetic moments, and electric as well as magnetic form factors are reported. The calculations are performed in a covariant framework using the point-form approach to relativistic quantum mechanics. All the predictions by the Goldstone-boson-exchange constituent quark model are found to fall remarkably close to existing experimental data. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:33 / 39
页数:7
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