ENERGY, OSCILLATOR STRENGTH AND HYPERFINE STRUCTURE OF THE LOW-LYING EXCITED STATES FOR Be-LIKE SYSTEM

Fei Wang, Bingcong Gou, Xiaoli Wu and Lihong Han
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Fei Wang: Department of Applied Physics, Beijing Institute of Technology, Beijing 100081, China
Bingcong Gou: Department of Applied Physics, Beijing Institute of Technology, Beijing 100081, China
Xiaoli Wu: Department of Applied Physics, Beijing Institute of Technology, Beijing 100081, China
Lihong Han: Department of Applied Physics, Beijing Institute of Technology, Beijing 100081, China

International Journal of Modern Physics C (IJMPC), 2003, vol. 14, issue 05, 549-560

Abstract: The Rayleigh–Ritz variational method is carried out with a multiconfiguration-interaction wave function and restricted variational method to obtain the relativistic energies of the1s22s2p1Po,1s22s2p3Po, and1s22p23Pstates for the beryllium-like isoelectronic sequence(Z=4–10), including the mass polarization and relativistic corrections. The oscillator strengths and transition rates are also calculated. The results are compared with other theoretical and experimental data in the literature. The hyperfine structure of the low-lying excited states for this system is also explored.

Keywords: Beryllium-like ion; variational calculation; oscillator strength; hyperfine structure; 31.15.Pf; 32.70.Cs; 32.10.Fn (search for similar items in EconPapers)
Date: 2003
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DOI: 10.1142/S0129183103004826

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