Abstract
The Rayleigh-Ritz variational method and a configuration-interaction wave function are used to obtain the energies, fine structures and hyperfine structures of high-lying core excited quartet states \(1s2lnl^\prime\,\!^{4}{\rm P}^{0}(n)~(n=1\!-\!5)\) and \(1s2pnp\,\!^{4}{\rm P}(m)~(m=1\!-\!5)\) in O5+ and Ne7+ ions, including the mass polarization and relativistic corrections. Restricted variational method is carried out to extrapolate a better energy. The wavelengths, oscillator strengths, and lifetimes are also explored. The results compared with other theoretical and experimental data in the literature.
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