从头算无核壳模型研究\(^{20-23}\) Na同位素

IF 1.8 4区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

Few-Body Systems Pub Date : 2025-06-02 DOI:10.1007/s00601-025-01995-9

Chandan Sarma, Praveen C. Srivastava

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引用次数: 0

摘要

我们对\(^{20-23}\) Na同位素进行了系统的无核壳模型研究。本文报道了由自然和非自然宇称态组成的钠同位素的低能谱，考虑了三种现实的相互作用：非局域内外Yukawa （INOY）、电荷依赖的Bonn 2000 （CDB2K）和手性次-次-次-次-先序（N \(^3\) LO）。我们还在\(|T_z|\) = 1/2镜面对（\(^{21}\) Na - \(^{21}\) Ne）的低能谱中给出了镜面能的差异。除了能谱外，我们还报道了电磁跃迁强度和矩。最后，考虑到这三种现实的相互作用，我们报告了点质子半径和中子蒙皮厚度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Ab initio no-core shell-model study of \(^{20-23}\)Na isotopes

We have done a systematic no-core shell-model study of \(^{20-23}\)Na isotopes. The low-energy spectra of these sodium isotopes consisting of natural and un-natural parity states were reported, considering three realistic interactions: inside nonlocal outside Yukawa (INOY), charge-dependent Bonn 2000 (CDB2K), and the chiral next-to-next-to-next-to-leading order (N\(^3\)LO). We also present the mirror energy differences in the low-energy spectra of \(|T_z|\) = 1/2 mirror pair (\(^{21}\)Na - \(^{21}\)Ne). Apart from the energy spectra, we have also reported the electromagnetic transition strengths and moments. Finally, considering all three realistic interactions, we report the point-proton radii and neutron skin thicknesses.

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来源期刊

Few-Body Systems 物理-物理：综合

CiteScore

2.90

自引率

18.80%

发文量

审稿时长

6-12 weeks

期刊介绍： The journal Few-Body Systems presents original research work – experimental, theoretical and computational – investigating the behavior of any classical or quantum system consisting of a small number of well-defined constituent structures. The focus is on the research methods, properties, and results characteristic of few-body systems. Examples of few-body systems range from few-quark states, light nuclear and hadronic systems; few-electron atomic systems and small molecules; and specific systems in condensed matter and surface physics (such as quantum dots and highly correlated trapped systems), up to and including large-scale celestial structures. Systems for which an equivalent one-body description is available or can be designed, and large systems for which specific many-body methods are needed are outside the scope of the journal. The journal is devoted to the publication of all aspects of few-body systems research and applications. While concentrating on few-body systems well-suited to rigorous solutions, the journal also encourages interdisciplinary contributions that foster common approaches and insights, introduce and benchmark the use of novel tools (e.g. machine learning) and develop relevant applications (e.g. few-body aspects in quantum technologies).