Dimensional power counting in nuclei

被引：58
|
作者：
Friar, JL
机构：
[1] Theoretical Division, Los Alamos National Laboratory, MS B283, Los Alamos
来源：
FEW-BODY SYSTEMS | 1997年 / 22卷 / 04期
关键词：
D O I：
10.1007/s006010050059
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Weinberg's dimensional power counting for nuclei is reprised in this primer. The role of QCD and chiral symmetry in constructing effective Lagrangians is discussed. The two-scale hypothesis of Manohar and Georgi is combined with power counting in amplitudes to shed light on the scales of nuclear kinetic and potential energies, the size of strong-interaction coupling constants, the size of meson-exchange currents, and the relative sizes of many-nucleon forces. Numerous examples are worked out and compared to conventional nuclear models.
引用
收藏
页码：161 / 192
页数：32
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