Neutron rearrangement of the magic number 90Zr-core determined by the matter density difference between 90Zr and 92Zr

被引：3
|
作者：
Huang, Y. [1 ,2 ]
Xayavong, L. [3 ]
Tu, X. L. [2 ]
Geng, J. [4 ]
Li, Z. P. [5 ]
Zhang, J. T. [2 ]
Li, Z. H. [2 ,4 ]
机构：
[1] Sichuan Univ, Inst Nucl Sci & Technol, Key Lab Radiat Phys & Technol, Minist Educ, Chengdu 610064, Peoples R China
[2] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
[3] Yonsei Univ, Dept Phys, Seoul 03722, South Korea
[4] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China
[5] Southwest Univ, Sch Phys Sci & Technol, Chongqing 400715, Peoples R China
来源：
PHYSICS LETTERS B | 2023年 / 847卷
基金：
新加坡国家研究基金会;
关键词：
Matter density distribution; Magic number core; shell model; 1 GEV PROTONS; ELASTIC-SCATTERING; CROSS-SECTIONS; DISTRIBUTIONS; NUCLEI; RADIUS; PROGRESS; HE-6;
D O I：
10.1016/j.physletb.2023.138293
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Matter density distributions and root-mean-square matter radii for 90Zr and 92Zr were determined through fitting the small-angle differential cross sections of proton elastic scattering at 0.8 GeV with the Glauber model. With the obtained neutron densities, a neutron rearrangement beyond the expectation for the magic number 90Zr-core was found from 90Zr to 92Zr by adding two valence neutrons. By considering the surface-peaked term, the rearrangement was reproduced by the shell model calculations with the realistic Woods-Saxon potentials. It indicates that the surface-peaked term related to surface nucleon interactions plays an important role in describing the nucleon rearrangement, since the surface-peaked term would improve the description of the radial wave functions.
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页数：5
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