Energy level data recommendation by screening constant

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4 Citations (Scopus)

Abstract

Energy level data recommendation by the screening constant is more useful and more accurate than that by quantum defect for high-Z ions. While the quantum defect converges to a small value as Z increases, the screening constant monotonically decreases. Z dependence of the screening constant is approximately Z3 for Z=10-40,Z3.5 for Z=40-70, and Z4 for Z>70. By the simple Z dependence, we have made a fitting formula for He-like ions. The same Z dependence of the screening constant has been found in different ions, Li-like, Be-like, and etc. This simple Z3 dependence of the screening constant could be explained as the spin-orbit interaction of the hydrogenic wave function in the Coulomb potential.

Original languageEnglish
Pages (from-to)43-54
Number of pages12
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume67
Issue number1
DOIs
Publication statusPublished - Oct 1 2000

ASJC Scopus subject areas

  • Radiation
  • Atomic and Molecular Physics, and Optics
  • Spectroscopy

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