Symmetric and asymmetric structural evolutions of Te isotopes across the N=82 shell closure

被引：4

作者：

Jiang, Hui ^{[1
]}

Zhou, Yi-jie ^{[1
]}

Lei, Yang ^{[2
]}

Shen, Jia-Jie ^{[1
]}

Bao, Man ^{[3
]}

机构：

[1] Shanghai Maritime Univ, Sch Arts & Sci, Shanghai 201306, Peoples R China

[2] Southwest Univ Sci & Technol, Sch Natl Def Sci & Technol, Mianyang 621010, Sichuan, Peoples R China

[3] Univ Shanghai Sci & Technol, Dept Phys, Shanghai 200093, Peoples R China

来源：

CHINESE PHYSICS C | 2021年 / 45卷 / 09期

基金：

中国国家自然科学基金;

关键词：

electromagnetic moments; collective levels; shell-model; 90 <= A <= 149; LOW-LYING STATES; NUCLEON-PAIR APPROXIMATION; EXCITED-STATES; MODEL; BEAMS;

D O I：

10.1088/1674-1137/ac0ce1

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：

Systematic calculations of low-lying energy levels, BE(2) transitions, and g factors of even-even tellurium isotopes with mass numbers from 128 to 140 are performed via the nucleon-pair approximation (NPA) of the shell model with phenomenological multipole-multipole interactions. An optimal agreement is obtained between the calculated results and experimental data. The yrast band structures of nuclei below and above the N = 82 shell closure are compared and discussed. In particular, the evolutionary differences of B(E2; 2(1)(+) -> 0(1)(+)) values and g(2(1)(+)) factors, with respect to the symmetry of N = 82, are attributed to the dominant contribution differences in neutron and proton excitations, respectively.

引用

页数：9

共 50 条

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雷杨
沈佳杰
鲍曼
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[2] Symmetric and asymmetric structural evolutions of Te isotopes across the N=82 shell closure
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周熠杰
雷杨
沈佳杰
鲍曼
[J]. Chinese Physics C, 2021, (09) : 152 - 160
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