赝自旋对称与准双幻核

IF 2.6 3区物理与天体物理 Q2 PHYSICS, NUCLEAR

The European Physical Journal A Pub Date : 2025-05-23 DOI:10.1140/epja/s10050-025-01595-5

R. V. Jolos, E. A. Kolganova

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引用次数: 0

摘要

考虑了中子闭合壳层核与质子填充价壳层核性质的相似性。结果表明，现有的实验数据或计算表明，存在两个核区域，即Z \(=30{-}38\), N = 50和Z \(=84{ -} 100\), N = 126，它们的性质与准双重魔术\(^{146}\) Gd环境中的核相似。其原因是质子单粒子能级填充所考虑的区域形成假自旋双线态。

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Pseudospin symmetry and quasidouble magic nuclei

The similarities in the properties of the nuclei with neutron closed shell and with protons filling valence shell are considered. It is shown that the available experimental data or calculations demonstrate the existence of two regions of nuclei, namely, with Z \(=30{-}38\), N = 50 and Z \(=84{ -} 100\), N = 126, whose properties indicate on similarity with nuclei in the environment of the quasidouble magic \(^{146}\)Gd. The reason for this is that the proton single-particle levels filling the regions under consideration form a pseudospin doublets.

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来源期刊

The European Physical Journal A 物理-物理：核物理

CiteScore

5.00

自引率

18.50%

发文量

216

审稿时长

3-8 weeks

期刊介绍： Hadron Physics Hadron Structure Hadron Spectroscopy Hadronic and Electroweak Interactions of Hadrons Nonperturbative Approaches to QCD Phenomenological Approaches to Hadron Physics Nuclear and Quark Matter Heavy-Ion Collisions Phase Diagram of the Strong Interaction Hard Probes Quark-Gluon Plasma and Hadronic Matter Relativistic Transport and Hydrodynamics Compact Stars Nuclear Physics Nuclear Structure and Reactions Few-Body Systems Radioactive Beams Electroweak Interactions Nuclear Astrophysics Article Categories Letters (Open Access) Regular Articles New Tools and Techniques Reviews.