Effects of the electron correlation and Breit and hyperfine interactions on the lifetime of the 2p${}^5$3s states in neutral neon

Abstract

In the framework of the multiconfiguration Dirac-Hartree-Fock method, we investigate the transition properties of four excited states in the $2p^{5}3s$ configuration of neutral neon. The electron correlation effects are taken into account systematically by using the active space approach. The effect of higher-order correlation on fine structures is shown. We also study the influence of the Breit interaction and find that it reduces the oscillator strength of the ${}^3{P}_1^o{-}^1{S}_0$ transition by 17%. It turns out that the inclusion of the Breit interaction is essential even for such a light atomic system. Our ab initio calculated line strengths, oscillator strengths and transition rates are compared with other theoretical values and experimental measurements. Good agreement is found except for the ${}^3{P}_2^o{-}^1{S}_0$ M2 transition for which discrepancies of around 15% between theories and experiments remain. In addition, the impact of hyperfine interactions on the lifetimes of the ${}^3{P}_0^o$ and ${}^3{P}_2^o$ metastable states is investigated for the ${}^{21}$Ne isotope (I=3/2). We find that hyperfine interactions reduce the lifetimes drastically. For the ${}^3{P}_0^o$ state the lifetime is decreased by a factor of 630.

Accepted by Phys. Rev. A

References in corpus (6)

• The neon content of nearby B-type stars and its implications for the solar model problem
• Exploring Biorthonormal Transformations of Pair-Correlation Functions in Atomic Structure Variational Calculations
• A theoretical study of the C- 4So_3/2 and 2Do_{3/2,5/2} bound states and C ground configuration: fine and hyperfine structures, isotope shifts and transition probabilities
• Ab initio calculations of 14N and 15N hyperfine structures
• Ab initio calculations of the {33}S 3p4 3P_J and {33}S- / {37,35}Cl 3p5 2Po_J hyperfine structures
• Hyperfine induced $1s2s ^1S_0 \to 1s^2 ^1S_0$ M1 transition of He-like ions

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