Impact of the recent Jefferson lab data on the structure of the nucleon

被引：0
|
作者：
De Adaújo, WRB
Frederico, T
Beyer, M
Weber, HJ
机构：
[1] Inst Tecnol Aeronaut, Ctr Tecn Aeroespacial, Dep Fis, BR-12228900 Sao Jose Dos Campos, Brazil
[2] Univ Rostock, Fachbereich Phys, D-18051 Rostock, Germany
[3] Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA
来源：
BRAZILIAN JOURNAL OF PHYSICS | 2004年 / 34卷 / 1A期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The simultaneous fit of proton ratio mu(p),G(Ep)/G(Mp), qF(2)p/F-1p to the recent experimental data and static properties of the nucleon is studied within a light-front model with different spin coupling schemes and wave functions. The position of the zero of proton electric form factor is sensitive to the presence of a hard constituent quark component in the nucleon wave function. The fitting of the new data for the ratios is achieved with a hard momentum scale about 4-5 GeV.
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页码：251 / 254
页数：4
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