Lifetimes of Rydberg states of Eu atoms

doi:10.1088/1674-1056/24/1/013203

Abstract

The radiative lifetimes of the Eu 4f⁷6snp (⁸P_J or ¹⁰P_J) 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.

Keywords: Eu atom Rydberg state lifetime field ionization

Received: 19 June 2014
Revised: 02 August 2014
Accepted manuscript online:

PACS:	32.80.Ee	(Rydberg states)
	32.80.-t	(Photoionization and excitation)
	32.70.Cs	(Oscillator strengths, lifetimes, transition moments)

Fund:

Project supported by the National Natural Science Foundation of China (Grant No. 11174218).

Corresponding Authors: Dai Chang-Jian
E-mail: daicj@126.com

Cite this article:

Jing Hua (荆华), Ye Shi-Wei (野仕伟), Dai Chang-Jian (戴长建) Lifetimes of Rydberg states of Eu atoms 2015 Chin. Phys. B 24 013203

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