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

  • Zhenwen Dai
  • Hongmei Jiang
  • Jingyao Liu
  • Weixian Peng
  • Zhankui Jiang


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.


lead Rydberg energy level multichannel quantum defect theory 


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Copyright information

© Science in China Press 2003

Authors and Affiliations

  • Zhenwen Dai
    • 1
    • 2
  • Hongmei Jiang
    • 1
    • 2
  • Jingyao Liu
    • 3
  • Weixian Peng
    • 1
    • 2
  • Zhankui Jiang
    • 1
    • 2
  1. 1.Key Laboratory of Coherent Light, Atomic and Molecular SpectroscopyEducational Ministry of ChinaChangchunChina
  2. 2.College of PhysicsJilin UniversityChangchunChina
  3. 3.Institute of Theoretical Chemistry, State Key Laboratory of Theoretical and Computational ChemistryJilin UniversityChangchunChina

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