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Chin. Phys. B, 2009, Vol. 18(6): 2229-2237    DOI: 10.1088/1674-1056/18/6/021
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Energy level analyses of even-parity J = 1 and 2 Rydberg states of Sn I by multichannel quantum defect theory

You Shuai(由帅), Feng Yan-Yan(凤艳艳), and Dai Zhen-Wen(戴振文)
Department of Physics, Jilin University, Changchun 130021, China Key Lab of Coherent Light, Atomic and Molecular Spectroscopy, Ministry of Education, Changchun 130021, China
Abstract  This paper analyzes the energy levels along the even-parity J=1 and 2 Rydberg series of Sn I by multichannel quantum defect theory. A good agreement between theoretical and experimental energy levels was achieved. Below 59198~cm-1, a total of 85 and 23 new energy levels, respectively, in the J=1 and J=2 series, which cannot be measured previously by experiments, are predicted in this work. Based on the calculated admixture coefficients of each channel, interchannel interactions were discussed in detail. The results are helpful to understand the characteristics of configuration interaction among even-parity levels in Sn I.
Keywords:  atom Sn      Rydberg state      multichannel quantum defect theory  
Received:  29 November 2008      Revised:  04 December 2008      Accepted manuscript online: 
PACS:  32.80.Rm (Multiphoton ionization and excitation to highly excited states)  
  31.15.vj (Electron correlation calculations for atoms and ions: excited states)  
  31.15.xp (Perturbation theory)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10574056) and by the Program for New Century Excellent Talents in University (China).

Cite this article: 

You Shuai(由帅), Feng Yan-Yan(凤艳艳), and Dai Zhen-Wen(戴振文) Energy level analyses of even-parity J = 1 and 2 Rydberg states of Sn I by multichannel quantum defect theory 2009 Chin. Phys. B 18 2229

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