中国物理B ›› 2009, Vol. 18 ›› Issue (10): 4251-4258.doi: 10.1088/1674-1056/18/10/027
肖颖, 戴长建, 秦文杰
Xiao Ying(肖颖), Dai Chang-Jian(戴长建)†, and Qin Wen-Jie(秦文杰)
摘要: Isolated-core-excitation (ICE) scheme and autoionization detection are employed to study the bound Rydberg states of europium atom. The high-lying states with odd parity have been measured using the autoionization detection method with three different excitation paths via 4f76s6p[ 8P5/2], 4f76s6p[ 8P7/2] and 4f76s6p[ 8P9/2] intermediate states, respectively. In this paper the spectra of bound Rydberg states of Eu atom are reported, which cover the energy regions from 36000~cm-1 to 38250~cm-1 and from 38900~cm-1 to 39500 cm-1. The study provides the information about level energy, the possible J values and relative line intensity as well as the effective principal quantum number n^* for these states. This work not only confirms the previous results of many states, but also discovers 11 new Rydberg states of Eu atom.
中图分类号: (Autoionization)