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Magnetic moments and electromagnetic radii of nucleon and Delta(1232) in an extended Goldstone-Boson-exchange model
He J(何军); Dong YB(董宇兵); He, J; Dong, YB
2005
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
卷号43期号:1页码:#REF!
通讯作者He, J (reprint author), Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100039, Peoples R China.
文章类型Article
摘要We derive the exchange currents of pseudoscalar, vector, and scalar mesons from Feynman diagrams, and use them to calculate the magnetic form factors of nucleon and Delta(1232). The magnetic moments and electromagnetic radii are obtained by using those form factors and the parameters determined from the masses of nucleon and Delta(1232). We find the magnetic moments and electromagnetic radii of nucleon and Delta(1232) can be produced very well in the extended Goldstone-Boson-exchange model in which all of pseudoscalar, vector, and scalar meson nonet are included. The magnetic moments of Delta(1232) are closer to experiment values and results from lattice calculation than the results obtained by the model without other mesons except for pion and sigma.
关键词magnetic moments electromagnetic radii nucleon and Delta(1232) extended Goldstone-Boson-exchange model
学科领域Physics
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000226568300027
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226434
专题理论物理室
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GB/T 7714
He J,Dong YB,He, J,et al. Magnetic moments and electromagnetic radii of nucleon and Delta(1232) in an extended Goldstone-Boson-exchange model[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2005,43(1):#REF!.
APA 何军,董宇兵,He, J,&Dong, YB.(2005).Magnetic moments and electromagnetic radii of nucleon and Delta(1232) in an extended Goldstone-Boson-exchange model.COMMUNICATIONS IN THEORETICAL PHYSICS,43(1),#REF!.
MLA 何军,et al."Magnetic moments and electromagnetic radii of nucleon and Delta(1232) in an extended Goldstone-Boson-exchange model".COMMUNICATIONS IN THEORETICAL PHYSICS 43.1(2005):#REF!.
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