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Chinese Physics, 2005, Vol. 14(8): 1559-1565    DOI: 10.1088/1009-1963/14/8/015
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Transition energy and oscillator strength of Sc18+ ion

Wang Zhi-Wen (王治文), Yang Di (杨迪), Hu Mu-Hong (胡木宏), Han Qiu-Ju (韩秋菊), Li Jin-Ying (李金英)
School of Physics and Electronic Technology, Liaoning NormalUniversity, Dalian 116029, China
Abstract  The transition energies and the dipole oscillator strengths for the 1s22s--1s2np (2≤n≤9) and 1s22p--1s2nd (3≤n≤9) of lithium-like Sc18+ ion are calculated by using the full core plus correlation method. The fine structure splittings of 1s2np and 1s2nd (n ≤9) states are determined from the expectation values of spin-orbit and spin-other-orbit interaction operators. The quantum defects of these series, as function of principal quantum number n, are obtained. The agreement between the f-values obtained from three alternative formulae is excellent. Comparisons of our results with experimental data available in the literature are carried out.Combining the single-channel quantum defect theory with the discrete oscillator strengths obtained in this work, this paper obtains the behaviour of discrete oscillator strengths and oscillator strength densities corresponding to the bound-free transitions adjacent to ionization threshold.
Keywords:  Sc+18 ion      transition energy      fine structure      oscillator strength  
Received:  23 February 2005      Revised:  18 March 2005      Accepted manuscript online: 
PACS:  32.70.Cs (Oscillator strengths, lifetimes, transition moments)  
  32.10.Fn (Fine and hyperfine structure)  
  31.15.-p (Calculations and mathematical techniques in atomic and molecular physics)  
Fund: Project supported by the NationalNatural Science Foundation of China (Grand No 10474029).

Cite this article: 

Wang Zhi-Wen (王治文), Yang Di (杨迪), Hu Mu-Hong (胡木宏), Han Qiu-Ju (韩秋菊), Li Jin-Ying (李金英) Transition energy and oscillator strength of Sc18+ ion 2005 Chinese Physics 14 1559

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