A comparison between theoretical results and experimental data of transition probability B(E2), deformation parameter, and intrinsic quadrupole moments for different nuclei with mass number A = 44

IF 0.4 Q4 PHYSICS, NUCLEAR

Nuclear Physics and Atomic Energy Pub Date : 2023-12-28 DOI:10.15407/jnpae2023.04.316

A.H. Ali

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引用次数: 0

Abstract

A comparison has been made between theoretical results and the experimental data for different nuclei (even-even) that possess the same mass number A = 44 and which have close values of the experimental deformation parameter such as 16S44, 18Ar44, 20Ca44 and 22Ti44. The core-polarization effects and model space were adopted through the inclusion of effective charges. Transition probability B(E2), theoretical deformation parameters, and theoretical intrinsic quadruple moments were calculated using two different interactions for each case, the first case the hasp interaction for nuclei in the sd shell, and the fpd6 interaction for nuclei in the fp shell, the second case the vpnp interaction for nuclei in the sd shell, and the kb3 interaction for nuclei in the fp shell, as well as adopted to different effective charges, such as Bohr and Mottelson effective charges, standard effective charges, and the effective charges from program NuShellX. The theoretical results of the transition probability B(E2), deformations parameters, and intrinsic quadruple moments were compared and found to be close to the experimental values for these nuclei.

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质量数 A = 44 的不同原子核的转变概率 B(E2)、形变参数和本征四极矩的理论结果与实验数据比较

对具有相同质量数 A = 44 且实验变形参数值接近的不同原子核（偶偶），如 16S44、18Ar44、20Ca44 和 22Ti44，进行了理论结果与实验数据的比较。通过加入有效电荷，采用了核极化效应和模型空间。每种情况下都使用两种不同的相互作用来计算跃迁概率 B(E2)、理论形变参数和理论本征四重力矩，第一种情况是 sd 壳中原子核的 hasp 相互作用，以及 fp 壳中原子核的 fpd6 相互作用、第二种情况是对 sd 壳中的原子核采用 vpnp 相互作用，对 fp 壳中的原子核采用 kb3 相互作用，并采用不同的有效电荷，如玻尔和莫特森有效电荷、标准有效电荷以及 NuShellX 程序的有效电荷。比较了这些原子核的转变概率 B(E2)、变形参数和本征四重矩的理论结果，发现它们与实验值很接近。

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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.