Relativistic spin-isospin dependent response function of nucleus

被引：0
|
作者：
Liu, LG [1 ]
Chen, W
Al, BQ
Zheng, XP
Nakano, M
机构：
[1] Zhongshan Univ, Dept Phys, Canton 510275, Peoples R China
[2] Univ Occupat & Environm Hlth, Kitakyushu, Fukuoka 807, Japan
来源：
CHINESE PHYSICS LETTERS | 2000年 / 17卷 / 09期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A full relativistic formalism is employed to derive the relativistic particle-hole and delta-hole excitation polarization insertion of pion propagator in nuclear matter. The spin-isospin-dependent response function of nucleus at high energy-momentum transfer is calculated with the nuclear matter approximation. The short range correlation effect, two-nucleon absorption and nucleus form factor effects are included in the calculation. The position and width of the resonance peak of the spin-isospin made are reproduced and found to be coincident with experiment data. The position of the peak and its width is sensitive to Landau-Migdal parameter g' which is about 0.6.
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页码：652 / 654
页数：3
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