Angle-resolved HeIIα photoelectron measurements for the 5d subshells of Hg II, Tl I and Pb II halides

I. Novak, A. W. Potts

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Abstract

The He II alpha photoelectron spectra for ionisation from the 5d subshells of metal atoms in the Hg II, Tl I and Pb II halides have been recorded at two angles to unpolarised photon beams. From these measurements asymmetry parameters beta for the 5d-1 ionisation have been determined. The variation of beta with electron kinetic energy is similar to that observed previously for 5d-1 ionisation of atomic mercury. Differences are attributed to the variation in Z rather than to the molecular environment. The 5d-1 ionisation energy of TlF is shown to be consistent with a simple classical model of chemical shifts.

Original languageEnglish
Article number010
Pages (from-to)3713-3718
Number of pages6
JournalJournal of Physics B: Atomic and Molecular Physics
Volume17
Issue number18
DOIs
Publication statusPublished - 1984

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