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Resonance-Enhanced Photon Excitation Spectroscopy of the Even-Parity Autoionizing Rydberg States of Xe
Chun-yan Li1, Ting-ting Wang1, Jun-feng Zhen1, Qun Zhang1, Yang Chen *2
1.Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China;2.Hefei National Laboratory for Physical Sciences at Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
Abstract:
Xenon atoms were produced in their metastable states 5p56s[3/2]2 and 5p56s′[1/2]0 in a pulsed DC discharge in beam,and subsequently excited to the even-parity autoionizing Rydberg states 5p5np′[3/2]1,[1/2]1,and 5p5nf′ [5/2]3 using single photon excitation. The excitation spectra of the even-parity autoionizing resonance series from the metastable 129Xe were obtained by recording the autoionized Xe+ with time-of-flight ion detection in the photon energy range of 28000-42000cm-1 .A wealth of autoionizing resonances were newly observed, from which more precise and systematic spectroscopic data of the level energies and quantum defects were derived.
Key words:  Xe, Pulsed DC discharge, Resonance-enhanced photon excitation spectroscopy, Autoionizing resonance
FundProject:
Resonance-Enhanced Photon Excitation Spectroscopy of the Even-Parity Autoionizing Rydberg States of Xe
李春燕,王婷婷,甄军峰,张群,陈旸 *
中国科学技术大学合肥微尺度物质科学国家实验室,化学物理系,合肥230026
摘要:
用脉冲直流放电产生Xe原子亚稳态5p56s[3/2]2和5p56s′[1/2]0.在单光子28000-42000cm-1能量范围内,结合飞行时间质谱技术获得Xe原子共振增强激发光谱.光谱分析表明,所有谱线来源于Xe原子5p56s[3/2]2和5p56s′[1/2]0两个亚稳态吸收单个光子向偶宇称np′、nf′自电离Rydberg态序列的跃迁.实验观测到许多新的自电离能级,并获得更精确和系统的能级位置和量子亏损值数据.
关键词:  Xe原子,脉冲直流放电,自电离Rydberg态,共振增强光激发谱
DOI:10.1088/1674-0068/21/05/401-406
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