利用自洽 QRPA 在富中子钼同位素中发现等速单极子响应

IF 0.4 Q4 PHYSICS, NUCLEAR

Nuclear Physics and Atomic Energy Pub Date : 2023-12-28 DOI:10.15407/jnpae2023.04.306

A. H. Taqi, G. A. Mohammed

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引用次数: 0

摘要

在 Skyrme 自洽 Hartree - Fock - Bardeen、Cooper 和 Schrieffer 以及准粒子随机相近似中研究了偶钼同位素 92、94、96、98、100Mo 的等极巨单极共振（ISGMR）。计算中使用了十组核物质不可压缩系数 KNM 不同值的 Skyrme 型相互作用。计算得到的 ISGMR 的强度分布、中心能量 Ecen、比例能量 Es 和约束能量 Econ 与现有实验数据进行了比较。由于核物质不可压缩性 KNM 的适当值，几种 Skyrme 相互作用都能成功地描述 92、94、96、98、100Mo 同位素的 ISGMR 强度分布。因此，Ecen 与 KNM 之间存在高度相关性。

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Isoscalar monopole response in the neutron-rich molybdenum isotopes using self-consistent QRPA

The isoscalar giant monopole resonance (ISGMR) of even molybdenum isotopes 92,94,96,98,100Mo has been studied within the Skyrme self-consistent Hartree - Fock - Bardeen, Cooper, and Schrieffer and quasi-particle random phase approximation. Ten sets of Skyrme-type interactions of different values of the nuclear matter incompressibility coefficient KNM are used in the calculations. The calculated strength distributions, centroid energies Ecen, scaled energies Es and constrained energies Econ of ISGMR are compared with available experimental data. Due to the appropriate value of the nuclear matter incompressibility KNM, several types of Skyrme interactions were successful in describing the ISGMR strength distribution in the 92,94,96,98,100Mo isotopes. As a result, high correlations between Ecen and KNM were found.

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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.