铁离子的天体物理学兴趣的原子寿命

IF 1.7 Q3 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL

Atoms Pub Date : 2023-05-22 DOI:10.3390/atoms11050085

E. Träbert

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引用次数: 0

摘要

多个带电的铁离子在太阳日冕的EUV光谱中占主导地位。对于这种光谱的解释，关于原子结构和跃迁速率的数据是必不可少的，其中大部分是由理论和计算提供的。观测光谱的波长用于测试预测的能级结构，而谱线强度取决于能级寿命和分支分数。多年来，在实验室中测量了许多电偶极和高阶跃迁率，主要是通过束箔光谱法、重离子存储环和各种离子阱。本文评估了铁所有离子能级寿命知识库的现状，并概述了进一步研究的问题。

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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Atomic Lifetimes of Astrophysical Interest in Ions of Fe

Multiple charged ions of iron dominate the EUV spectrum of the solar corona. For the interpretation of such spectra, data on both the atomic structure and the transition rate are essential, most of which are provided by theory and computation. The wavelengths of observed spectra are used to test the predicted energy level structure, while the line intensities depend on level lifetimes and branch fractions. A number of electric dipole and higher-order transition rates have been measured over the years in the laboratory, mostly by beam-foil spectroscopy, at heavy-ion storage rings, and at various ion traps. In this paper, the state of the knowledge base on level lifetimes in all ions of Fe is assessed, and the problems of further progress are outlined.

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来源期刊

Atoms Physics and Astronomy-Nuclear and High Energy Physics

CiteScore

2.70

自引率

22.20%

发文量

128

审稿时长

8 weeks

期刊介绍： Atoms (ISSN 2218-2004) is an international and cross-disciplinary scholarly journal of scientific studies related to all aspects of the atom. It publishes reviews, regular research papers, and communications; there is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental and/or methodical details must be provided for research articles. There are, in addition, unique features of this journal: -manuscripts regarding research proposals and research ideas will be particularly welcomed. -computed data, program listings, and files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material. Scopes: -experimental and theoretical atomic, molecular, and nuclear physics, chemical physics -the study of atoms, molecules, nuclei and their interactions and constituents (protons, neutrons, and electrons) -quantum theory, applications and foundations -microparticles, clusters -exotic systems (muons, quarks, anti-matter) -atomic, molecular, and nuclear spectroscopy and collisions -nuclear energy (fusion and fission), radioactive decay -nuclear magnetic resonance (NMR) and electron spin resonance (ESR), hyperfine interactions -orbitals, valence and bonding behavior -atomic and molecular properties (energy levels, radiative properties, magnetic moments, collisional data) and photon interactions