Energy levels of perturbed 6p<Emphasis Type="Italic">n</Emphasis>d <Emphasis Type="Italic">J</Emphasis>=2 Rydberg states of Pb I by multichannel quantum defect theory期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Energy levels of perturbed 6pnd J=2 Rydberg states of Pb I by multichannel quantum defect theory

Authors:	Zhenwen?Dai author-information" > author-information__contact u-icon-before" > mailto:daiphys@.com" title=" daiphys@.com" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,Hongmei?Jiang,Jingyao?Liu,Weixian?Peng,Zhankui?Jiang

Affiliation:	(1) Key Laboratory of Coherent Light, Atomic and Molecular Spectroscopy, Educational Ministry of China, 130023 Changchun, China;(2) College of Physics, Jilin University, 130023 Changchun, China;(3) Institute of Theoretical Chemistry, State Key Laboratory of Theoretical and Computational Chemistry, Jilin University, 130023 Changchun, China

Abstract:	Energy levels of the odd-parity 6pnd J=2 Rydberg states of atomic lead are analyzed by the multichannel quantum defect theory (MQDT) with previous experimental energy levels. The obtained. Using these parameters, admixture coefficients for each level are calculated to designate the level denotations. The results show that strong channel mixings exist for the levels near the 6pnd (3/2)[5/2]₂ ⁰ and 6p6d (3/2)[3/2]₂ ⁰ pertubers. The five-channel model different from that in literature is used to predict 21 energy positions of 6pnd (1/2)[3/2]₂ ⁰ levels and to determine the denotations of all the 6pnd J=2 Rydberg states under 59788 cm⁻¹ for Pb I.

Keywords:	lead Rydberg energy level multichannel quantum defect theory
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