Nucleon form factors in a relativistic quark model

被引：0
|
作者：
Y.B. DongOn leave from Institute of High Energy Physics, Academia Sinica, Beijing 100039, P. R. China-->
A. Faessler
K. Shimizu
机构：
[1] Institüt für Theoretische Physik,
[2] Universität of Tübingen,undefined
[3] 72076 Tübingen,undefined
[4] Germany,undefined
来源：
The European Physical Journal A - Hadrons and Nuclei | 1999年 / 6卷
关键词：
PACS: 12.39.Jh Nonrelativistic quark model – 12.39.Ki Relativistic quark model – 12.39.Pn Potential models – 12.40.Vv Vector-meson dominance – 12.40.Yx Hadron mass models and calculations – 13.40.Em Electric and magnetic moments – 13.40.Gp Electromagnetic form factors – 13.40.Hq Electromagnetic decays;
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学科分类号：
摘要：
Electromagnetic form factors of protons and neutrons are investigated based on a relativistic quark model with the inclusion of a pion cloud. Pseudo-scalar π-quark interaction is employed to study the coupling between the nucleon and the π. The results show the important role of the pion cloud for the neutron charge form factor. Moreover, our numerical analysis indicates a difference between the relativistic and the nonrelativistic treatments.
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页码：203 / 210
页数：7
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