Photoabsorption spectrum of Xe2+ 1(12)u from 248 to 351 nm

A. W. McCown, M. N. Ediger, James Gary Eden

Research output: Contribution to journalArticle

Abstract

Relative photoabsorption cross sections for the 1(12)u'2(12)g band of Xe2+ have been determined at several discrete wavelengths between =248 and 351 nm, the spectral region in which the absorption peaks. Xe+ P322 ions are produced by two-photon ionization of Xe at 193 nm (ArF laser) which dimerize to form Xe2+ ions in the 1(12)u ground state. A second excimer-laser pulse subsequently photodissociates the molecular ion. The results agree with the theoretical 1(12)u'2(12)g ultraviolet absorption curve of Wadt [J. Chem. Phys. 73, 3915 (1980)] except that the cross sections reported here indicate that the band is nearly symmetrical around 340 nm, rather than skewed towards the visible.

Original languageEnglish (US)
Pages (from-to)3365-3370
Number of pages6
JournalPhysical Review A
Volume28
Issue number6
DOIs
StatePublished - Jan 1 1983

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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