Radiative lifetime measurements of some Tm I and Tm II levels by time-resolved laser spectroscopy

被引：21

作者：

Tian, Yanshan ^{[1
]}

Wang, Xinghao ^{[1
]}

Yu, Qi ^{[1
]}

Li, Yongfan ^{[1
]}

Gao, Yang ^{[1
]}

Dai, Zhenwen ^{[1
]}

机构：

[1] Jilin Univ, Minist Educ, Coll Phys, Key Lab Coherent Light Atom & Mol Spect, Changchun 130012, Peoples R China

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2016年 / 457卷 / 02期

基金：

中国国家自然科学基金;

关键词：

atomic data; atomic processes; methods: laboratory: atomic; techniques: spectroscopic; EXCITED-LEVELS; THULIUM; STRENGTHS; SPECTRUM; ELEMENTS; STARS; IONS;

D O I：

10.1093/mnras/stv3015

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Radiative lifetimes of 88 levels of Tm I in the energy range 22 791.176-48 547.98 cm(-1) and 29 levels of Tm II in the range 27 294.79-65 612.85 cm(-1) were measured by time-resolved laser-induced fluorescence spectroscopy in laser-ablation plasma. The lifetime values obtained are in the range from 15.4 to 7900 ns for Tm I and from 36.5 to 1000 ns for Tm II. To the best of our knowledge, 77 lifetimes of Tm I and 22 lifetimes of Tm II are reported for the first time. Good agreements between the present results and the previous experimental values were achieved for both Tm I and Tm II.

引用

页码：1393 / 1398

页数：6

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