Experimental Branching Fractions, Transition Probabilities, and Oscillator Strengths in Sm ii

被引：1

作者：

Wang, Xinghao ^{[1
]}

Yu, Qi ^{[1
]}

Tan, Jiajin ^{[1
]}

Xie, Hongqiang ^{[1
]}

Chen, Zhiming ^{[1
]}

Li, Xiong ^{[1
]}

机构：

[1] East China Univ Technol, Nanchang 330013, Peoples R China

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2024年 / 271卷 / 02期

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

RADIATIVE LIFETIMES; SOLAR ABUNDANCE; RATIOS;

D O I：

10.3847/1538-4365/ad2f32

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Branching fractions (BFs) of Sm ii for 71 lines from 12 excited levels ranging from 31,638.79 to 35,463.91 cm(-1) were determined for the first time based on the Fourier transform spectra available from the National Solar Observatory database. New transition probabilities and oscillator strengths for these lines were derived by combining the determined BFs with reliable lifetimes measured using a time-resolved laser-induced fluorescence technique. Furthermore, BFs for 38 lines from five levels included in earlier studies were also determined for comparisons. The new results reported in this work will be useful in many fields, especially for astrophysics.

引用

页数：7

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