Measurement of Free-Atom K-Shell Binding Energies of Light Elements
- 1 February 1978
- journal article
- Published by IOP Publishing in Physica Scripta
- Vol. 17 (2), 49-52
- https://doi.org/10.1088/0031-8949/17/2/001
Abstract
K-shell binding energies in free atoms for Be, B, and C have been obtained to within a few tenths of an eV by applying Auger spectroscopy to fast Be, B, and C ion beams being core-excited in single collisions with CH4 and He. The present values, which correspond to the lowest possible ionization energy, i.e., for B, BE 1 S = E(1s2s 22p)3 P 0 - E(1s 22s 22p)2 P 0, are considerably higher than previous values derived from measurements where solid or molecular samples have been used, while good agreement is found with recent free-atom theoretical data.Keywords
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