Title

Manifestation Of Spin-Orbit Interactions In Photoemission From Free Atoms

Abstract

Fine-structure resolved electron spectrometry in conjunction with highly resolved synchrotron radiation have been used to observe in detail some of the consequences of the spin-orbit interaction on the decay of the Ar 3s → np autoionizing resonances. The findings include (a) a 20% enhancement in the ratio of the partial cross-sections for the isolated 6p single-electron excitation, (b) the presence of a previously unidentified two-electron excitation in the vicinity of the 8p resonance, and (c) different resonance widths in σtot, σ3/2, and σ1/2 for the 10p excitation, namely, 1.64 meV, 1.9 meV, and 1.0 meV, respectively. These data, and the experimental capabilities they reflect, highlight the importance of the spin-orbit interaction in determining the dynamics of photoemission from free atoms.

Publication Date

8-20-2000

Publication Title

Molecular Physics

Volume

98

Issue

16

Number of Pages

1075-1082

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1080/00268970050080438

Socpus ID

0034692156 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0034692156

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