中国物理B ›› 2000, Vol. 9 ›› Issue (7): 500-503.doi: 10.1088/1009-1963/9/7/005

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STUDY OF BRANCHING RATIONS OF 3p3/2nd (J=1,3) AUTOIONIZING SERIES OF NEUTRAL MAGNESIUM

李从奇1, 吕俊1, 戴长健2   

  1. (1)Department of Physics, Zhejiang University, Hangzhou 310027, China; (2)Department of Physics, Zhejiang University, Hangzhou 310027, China; China Center of Advanced Science and Technology (world laboratory), Beijing 100080, China
  • 收稿日期:1999-09-13 出版日期:2000-07-15 发布日期:2005-06-10
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 19974018), the National High-technology Inertial Confinement Fusion Committee of China, the Zhejiang Provinical Natural Science Foundation (Grant No. 197024), and Cao Guang B

STUDY OF BRANCHING RATIONS OF 3p3/2nd (J=1,3) AUTOIONIZING SERIES OF NEUTRAL MAGNESIUM

Li Cong-qi (李从奇)a, Dai Chang-jian (戴长健)ab, Lü Jun (吕俊)a   

  1. a Department of Physics, Zhejiang University, Hangzhou 310027, China; b China Center of Advanced Science and Technology (world laboratory), Beijing 100080, China
  • Received:1999-09-13 Online:2000-07-15 Published:2005-06-10
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 19974018), the National High-technology Inertial Confinement Fusion Committee of China, the Zhejiang Provinical Natural Science Foundation (Grant No. 197024), and Cao Guang B

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摘要： With the K matrix and multichannel quantum defect theory, we have studied the branching ratios of 3p3/2nd (J=1,3) autoionizing series of Mg above the 3p1/2 ion limit. The calculations are compared with the previous experimental spectra, and the unmeasured branching ratios are presented. The conclusion is that 3p3/2nd state prepared by the three-step excitation can form population inversion between the 3p1/2 and 3s1/2 ionic states.

Abstract: With the K matrix and multichannel quantum defect theory, we have studied the branching ratios of 3p3/2nd (J=1,3) autoionizing series of Mg above the 3p1/2 ion limit. The calculations are compared with the previous experimental spectra, and the unmeasured branching ratios are presented. The conclusion is that 3p3/2nd state prepared by the three-step excitation can form population inversion between the 3p1/2 and 3s1/2 ionic states.

Key words: autoionization, branching ratio, configuration interaction.

中图分类号:  (Calculations and mathematical techniques in atomic and molecular physics)

  • 31.15.-p
32.80.Fb (Photoionization of atoms and ions) 32.80.Zb (Autoionization)