✦ LIBER ✦

Photoelectron spectroscopic study of resonant multiphoton ionisation of atomic and molecular bromine

✍ Scribed by B.G. Koenders; Karel E. Drabe; C.A. De Lange

Publisher: Elsevier Science
Year: 1987
Tongue: English
Weight: 587 KB
Volume: 138
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(87)80332-9

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✦ Synopsis

A photoelectron spectroscopic study of resonance-enhanced multiphoton ionisation (REMPI) of bromine in the visible region from 430 to 5 10 nm has been performed. Photoelectron spectra of several resonances originating from (3 + 2) and (4+ I ) REMPI of ground-state and spin-orbit excited-state atomic bromine are obtained and analysed. The photoelectron spectra obtained from (3 + 1) REMPI of Br, show qualitatively simple Franck-Condon progressions and core-selective ionisation to the zlIs.,,2 excited ionic state. The spectra confirm a previous tentative vibrational assignment of the band system. However, the present results indicate an intermediate electronic state which appears not to be in agreement with earlier single-photon absorption measurements.

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