CHIRAL ELECTROMAGNETIC MESON-EXCHANGE CURRENTS

被引：7
|
作者：
TRUHLIK, E
机构：
[1] Institute of Nuclear Physics, Praha, 25068, Řež near
来源：
CZECHOSLOVAK JOURNAL OF PHYSICS | 1993年 / 43卷 / 3-4期
关键词：
D O I：
10.1007/BF01589857
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Properties of electromagnetic isovector meson exchange currents are discussed starting from the concept of chiral symmetry and vector meson dominance. The 4-currents are constructed in the framework of the S-matrix method and satisfy the current conservation also at the relativistic level. The comparison with the standard approach is made in detail. The case when only current conservation and Lorentz invariance are taken into account is also considered. Cross sections are compared with the new data.
引用
收藏
页码：467 / 494
页数：28
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