Relativistic configuration interaction calculations of electron affinities for three bound states of Lu < sup> - formed by 6p attachment

Document Type

Article

Publication Date

10-28-2000

Abstract

Valence shell relativistic configuration interaction calculations indicate three bound states for Lu- by 6p attachment to the 5d6s2 J = 3/2 ground state. These include two J = 2 levels with electron affinities of 329 and 124 meV, as well as one J = 3 level at 63 meV. The first value is 139 meV larger than the previously published value, while the latter two are predicted here for the first time. We find second-order effects moderately important in the binding of these states, while certain core excitations (particularly involving the 4f subshell) were found to have a negligible impact.

Publication Title

Journal of Physics B: Atomic, Molecular and Optical Physics

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