Chiral perturbation theory

被引：0
|
作者：
Ecker, G [1 ]
机构：
[1] Univ Vienna, Inst Theoret Phys, A-1090 Vienna, Austria
来源：
INTERNATIONAL WORKSHOP ON HADRON PHYSICS 96: TOPICS ON THE STRUCTURE AND INTERACTION OF HADRONIC SYSTEMS | 1997年
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D O I：
暂无
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
After a general introduction to the structure of effective field theories, the main ingredients of chiral perturbation theory are reviewed. Applications include the light quark mass ratios and pion-pion scattering to two-loop accuracy In the pion-nucleon system, the linear sigma model is contrasted with chiral perturbation theory. The heavy-nucleon expansion is used to construct the effective pion-nucleon La-grangian to third order in the low-energy expansion, with applications to nucleon Compton scattering.
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页码：125 / 167
页数：43
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