Lifetime measurements of odd-parity high-excitation levels of Sn I by time-resolved laser spectroscopy

被引：14
|
作者：
Zhang, Wei [1 ,2 ]
Feng, Yanyan [1 ,2 ]
Xu, Jiaxin [1 ,2 ]
Palmeri, Patrick [3 ]
Quinet, Pascal [3 ,4 ]
Biemont, Emile [3 ,4 ]
Dai, Zhenwen [1 ,2 ,5 ]
机构：
[1] Jilin Univ, Coll Phys, Changchun 130021, Peoples R China
[2] Minist Educ, Key Lab Coherent Light,Atom & Mol Spect, Changchun 130021, Peoples R China
[3] Univ Mons, B-7000 Mons, Belgium
[4] Univ Liege, IPNAS, B-4000 Liege, Belgium
[5] Jilin Univ, Inst Atom & Mol Phys, Changchun 130021, Peoples R China
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2010年 / 43卷 / 20期
基金：
中国国家自然科学基金;
关键词：
NATURAL RADIATIVE LIFETIMES; RYDBERG LEVELS; NEUTRAL TIN; EXCITED-LEVELS; NF J=1; SPECTRUM; STATES; PERTURBATION;
D O I：
10.1088/0953-4075/43/20/205005
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Natural radiative lifetimes of 38 odd-parity highly excited levels in neutral tin in the energy range from 43 682.737 to 56 838.68 cm(-1) have been measured by a time-resolved laser-induced fluorescence technique in an atomic beam produced by laser ablation on a solid tin sample. All the levels were excited from the metastable P-3(1,2) and D-1(2) levels in the ground configuration. The second and third harmonics of a dye laser were adopted as the tunable exciting source (207-250 nm). The lifetime results obtained in this paper are in the range from 4.6 to 292 ns and will be useful in extending the set of oscillator strengths available in Sn I.
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页数：6
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