Deformed relativistic mean-field calculations on nuclei near Z = 50 with FSUGold

Deformed relativistic mean-field calculations on nuclei near Z = 50 with FSUGold
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使用 FSUGold 对 Z = 50 附近的原子核进行变形相对论平均场计算

DOI:
10.1140/epja/i2010-11038-5
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发表时间:
2010-10
影响因子:
2.7
通讯作者:
Ren Zhongzhou
Ren Zhongzhou
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Sheng Zongqiang;Ren Zhongzhou

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摘要:在变形相对论平均场理论的框架下,采用新的参数集FSUGold,系统地研究了Sn、Te、Ba和Sn同位素的基态性质。结果表明,FSUGold和NL3 * 一样成功地再现了原子核的基态结合能。计算得到的双中子分离能、四极形变和均方根电荷半径与实验数据符合得很好。参数集FSUGold可以成功地描述中子幻数N = 82的壳效应。详细讨论了最后中子的结合能、两中子分离能、四极形变、均方根电荷半径和“结合能”。
Abstract.The ground-state properties of Sn, Te, Xe, and Ba isotopes have been systematically investigated in the framework of the deformed relativistic mean-field theory with the new parameter set FSUGold. The results show that FSUGold is as successful as NL3 * in reproducing the ground-state binding energies of the nuclei. The calculated two-neutron separation energies, quadrupole deformations, and root-mean-square (rms) charge radii are in good agreement with the experimental data. The parameter set FSUGold can successfully describe the shell effect of the neutron magic number N = 82 . Detailed discussions on the binding energies, two-neutron separation energies, quadrupole deformations, rms charge radii and “binding energies” of the last neutrons are given.
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