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Chinese Physics, 2005, Vol. 14(8): 1554-1558    DOI: 10.1088/1009-1963/14/8/014
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Relativistic energy, fine structure and hyperfine structure of the low-lying excited states for Be-like system

Zhang Meng (张孟), Gou Bing-Cong (苟秉聪)
Department of Physics, Beijing Institute of Technology, Beijing 100081, China
Abstract  Variational calculations are carried out with a multiconfiguration-interaction wavefunction on the 1s22p2p 1De and 1s22p3p 3Pe states to obtain the energies including the mass polarization and relativistic corrections for the beryllium isoelectronic sequence (Z=4-10). The oscillator strengths,transition rates and wavelengths are also calculated. Our results are compared with other theoretical and experimental data in the literatures. The fine structure and hyperfine structure of 1s22p3p3Pe state are also explored.
Keywords:  Beryllium-like ion      variational calculation      fine structure      hyperfine structure  
Received:  06 January 2005      Revised:  07 March 2005      Accepted manuscript online: 
PACS:  31.30.J- (Relativistic and quantum electrodynamic (QED) effects in atoms, molecules, and ions)  
  32.70.Cs (Oscillator strengths, lifetimes, transition moments)  
  31.15.xt (Variational techniques)  
  31.15.vj (Electron correlation calculations for atoms and ions: excited states)  
  31.30.Gs (Hyperfine interactions and isotope effects)  
  32.10.Fn (Fine and hyperfine structure)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10374008 and by the Doctoral Degree Program Foundation of Ministry of Education China (Grant No 20020007036), and by the BIT-UBF-200307A05.

Cite this article: 

Zhang Meng (张孟), Gou Bing-Cong (苟秉聪) Relativistic energy, fine structure and hyperfine structure of the low-lying excited states for Be-like system 2005 Chinese Physics 14 1554

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