Lifetimes of Rydberg states of Eu atoms

The radiative lifetimes of the Eu 4f76snp（8^PJ or10^PJ） Rydberg states with J = 5/2 and 11/2 are investigated with a combination of multi-step laser excitation and pulsed electric field ionization, from which their dependence on the effective principal quantum number is observed. The lifetimes of 21...

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Bibliographic Details
Published in:Chinese physics B 2015, Vol.24 (1), p.221-225
Main Author: 荆华 野仕伟 戴长建
Format: Article
Language:English
Subjects:
Blackbody
Ionization
Lasers
Ovens
Quantum numbers
Radiative lifetime
Rydberg states
Uncertainty
不确定性
有效主量子数
激光激发
评估报告
辐射寿命
里德伯态
铕原子
黑体辐射
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Summary:The radiative lifetimes of the Eu 4f76snp（8^PJ or10^PJ） Rydberg states with J = 5/2 and 11/2 are investigated with a combination of multi-step laser excitation and pulsed electric field ionization, from which their dependence on the effective principal quantum number is observed. The lifetimes of 21 states are reported along with an evaluation of their experimental uncertainty. The influence of blackbody radiation, due to the oven temperature, on the lifetime of the higher-n states is detected. The non-hydrogen behavior of the investigated states is also observed.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/24/1/013203