PION-SCATTERING AND NUCLEAR-SURFACE EFFECTS

被引：4
作者：
CASTEL, B [1 ]
TOKI, H [1 ]
机构：
[1] TOKYO METROPOLITAN UNIV,DEPT PHYS,TOKYO 158,JAPAN
来源：
NUCLEAR PHYSICS A | 1990年 / 514卷 / 04期
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1016/0375-9474(90)90016-F
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We investigate the apparent anomaly inherent to π-/π+ scattering results on giant quadrupole resonances compared to data emanating from other probes. Our study focuses on the radial dependence of the π+ and π- cross sections using the eikonal and the random phase approximations. Our conclusion is that, once the highly selective nature of the surface pion absorption process is taken into account, there is indeed consistency between pion, electron and proton scattering and microscopic theories regarding the isoscalar nature of the GQR. © 1990.
引用
收藏
页码：682 / 688
页数：7
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