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
收藏
页码：1393 / 1398
页数：6
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