变惯性矩模型中的核软性及其在质量区 A≈60 - 90 的超变形带中的应用

IF 0.4 Q4 PHYSICS, NUCLEAR

Nuclear Physics and Atomic Energy Pub Date : 2024-03-25 DOI:10.15407/jnpae2024.01.019

K.A. Gado

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引用次数: 0

摘要

对于 A ≈ 60 - 90 质量区的 58Ni (b1)、58Cu、59Cu (b1)、61Zn、62Zn、65Zn、68Zn、84Zr、86Zr (b1)、88Mo (b1、b2、b3) 和 89Tc 超变形（SD）带，使用 VMINS3 模型计算了核软度（NS）参数 σ。58Ni (b1)、58Cu、59Cu (b1)、62Zn、65Zn 和 88Mo (b2, b3) 的 SD 带的 NS 参数值大于正常变形带的 NS 参数值，表明其刚性较小。在 A ≈ 60 - 90 质量区，SD 带的 NS 参数随伽马能比 R 的波动是研究的发现之一。通过笛卡尔方法（基于辅助三次方程求解四次方程的最伟大技术），利用转换能量比来计算带头自旋 I0，然后通过均方根偏差来确认。估计值和观察到的过渡能量非常吻合。

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Nuclear softness in the variable moment of inertia model and its application to superdeformed bands in the mass region A ≈ 60 - 90

For superdeformed (SD) bands 58Ni (b1), 58Cu, 59Cu (b1), 61Zn, 62Zn, 65Zn, 68Zn, 84Zr, 86Zr (b1), 88Mo (b1, b2, b3) and 89Tc in the A ≈ 60 - 90 mass region, the nuclear softness (NS) parameter, σ, has been calculated using the VMINS3 model. The SD bands 58Ni (b1), 58Cu, 59Cu (b1), 62Zn, 65Zn, and 88Mo (b2, b3) have NS parameter values that are greater than those of the normal deformed bands, indicating smaller rigidity. The fluctuation of the NS parameter versus the gamma energy ratio, R, of SD bands in the A ≈ 60 - 90 mass region is one of the study's findings. The ratio of transition energies was used to calculate the band head spin, I0, by the Descartes method (the greatest technique to solve the quartic equation based on an auxiliary cubic equation) which was then confirmed by root mean square deviations. The estimated and observed transition energies are in good agreement.

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来源期刊

Nuclear Physics and Atomic Energy PHYSICS, NUCLEAR-

CiteScore

0.70

自引率

33.30%

发文量

审稿时长

19 weeks

期刊介绍： The journal Nuclear Physics and Atomic Energy presents the publications on Nuclear Physics, Atomic Energy, Radiation Physics, Radioecology, Engineering and Methods of Experiment. The journal includes peer-reviewed articles which are completed works containing new results of theoretical and experimental researches and are of interest for the scientists, postgraduate students, engineers and for the senior students.