Angle-resolved photoelectron spectroscopy (He Iα) of alkali iodides

A. W. Potts, I. Novak

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Abstract

He Ialpha photoelectron spectra have been measured for the I- 5p6 shell of all diatomic alkali iodides for emission at 90 degrees and 26 degrees to an unpolarised photon beam. 2P 3/2:2P1/2 branching ratios are reported for these angles. By assuming an asymmetry parameter for ionisation to the 2P3/2 state of I values are calculated for ionisation to the 2P1/2 state and absolute branching ratios are found. Results calculated in this way are discussed in terms of existing measurements for the equivalent states of xenon and of the ionic/covalent character of the iodide.

Original languageEnglish
Article number005
JournalJournal of Physics B: Atomic and Molecular Physics
Volume17
Issue number14
DOIs
Publication statusPublished - 1984

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