无自旋μ介子原子中的μ介子诱导核磁矩:简单估算

IF 1.5 4区 物理与天体物理 Q3 OPTICS Journal of Physics B: Atomic, Molecular and Optical Physics Pub Date : 2024-04-25 DOI:10.1088/1361-6455/ad38a9
K A Beyer and N S Oreshkina
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引用次数: 0

摘要

为了解决重渺子原子中长期存在的精细结构难题,我们研究了原子核与其束缚渺子之间的磁相互作用。一个简单的估计表明,只有在核参数不切实际的情况下,这种效应才会明显。关于这种效应与核极化(NP)关系的进一步研究表明,这种相互作用是 NP 的磁偶极子部分。由于这种简单估算与 NP 的严格评估相对接近,我们提取了核磁极性的有效值,除了最轻的原子核之外,其他原子核的核磁极性都是未知的。
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Muon-induced nuclear magnetic moments in spinless muonic atoms: a simple estimate
In an attempt to address the long-standing fine-structure puzzle in heavy muonic atoms we investigate the magnetic interaction between a nucleus and its bound muon. A simple estimate shows that the effect is only noticeable for unrealistic nuclear parameters. A further investigation as to the relation of this effect to nuclear polarisation (NP) identifies the interaction as the magnetic dipole part of NP. Motivated by the relative closeness of this simple estimate to rigorous evaluations of NP, we extract effective values for the nuclear magnetic polarisability, a quantity otherwise unknown for all but the lightest nuclei.
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来源期刊
CiteScore
3.60
自引率
6.20%
发文量
182
审稿时长
2.8 months
期刊介绍: Published twice-monthly (24 issues per year), Journal of Physics B: Atomic, Molecular and Optical Physics covers the study of atoms, ions, molecules and clusters, and their structure and interactions with particles, photons or fields. The journal also publishes articles dealing with those aspects of spectroscopy, quantum optics and non-linear optics, laser physics, astrophysics, plasma physics, chemical physics, optical cooling and trapping and other investigations where the objects of study are the elementary atomic, ionic or molecular properties of processes.
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