确定 Eu I 中某些水平的跃迁概率和振荡器强度

IF 2.3 3区物理与天体物理 Q2 OPTICS

Journal of Quantitative Spectroscopy & Radiative Transfer Pub Date : 2024-09-26 DOI:10.1016/j.jqsrt.2024.109206

Yuehua Chang , Qi Yu

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引用次数: 0

摘要

通过将实验分支分数（BFs）与辐射寿命相结合，首次得出了 Eu I 的 16 个激发水平的 39 条线的过渡概率和振荡器强度。能量范围为 27852.90 至 41443.70 cm-1。在这项工作中，利用国家太阳观测站数据库中的傅立叶变换光谱确定了 BFs，并从文献中获得了寿命。此外，还测定了以前在文献中报道过的 22 条光谱线的 BFs，以进行比较。这项工作中报告的新结果将丰富光谱数据库，并有望在许多领域得到广泛应用。

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Determinations of transition probabilities and oscillator strengths of some levels in Eu I

Through combining experimental branching fractions (BFs) with radiative lifetimes, transition probabilities and oscillator strengths of Eu I for 39 lines from 16 excited levels were derived for the first time. The energies range from 27852.90 to 41443.70 cm^-1. The BFs were determined in this work using the Fourier transform spectra available from National Solar Observatory database, and the lifetimes were obtained from literature. Furthermore, BFs for 22 lines, previously reported in the literature, were also determined for comparisons. The new results reported in this work will enrich spectral database and are expected to be widely used in many fields.

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来源期刊

Journal of Quantitative Spectroscopy & Radiative Transfer 物理-光谱学

CiteScore

5.30

自引率

21.70%

发文量

273

审稿时长

58 days

期刊介绍： Papers with the following subject areas are suitable for publication in the Journal of Quantitative Spectroscopy and Radiative Transfer: - Theoretical and experimental aspects of the spectra of atoms, molecules, ions, and plasmas. - Spectral lineshape studies including models and computational algorithms. - Atmospheric spectroscopy. - Theoretical and experimental aspects of light scattering. - Application of light scattering in particle characterization and remote sensing. - Application of light scattering in biological sciences and medicine. - Radiative transfer in absorbing, emitting, and scattering media. - Radiative transfer in stochastic media.