Photodetachment spectroscopy of SeH- in a magnetic field

R. C. Stoneman, D. J. Larson

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Rotational photodetachment thresholds have been observed for SeH - ions in a magnetic field. Assignment and fitting of the thresholds determines the electron affinity and the rotational constants. The electron affinity of SeH is found to be 17845.17(20) cm-1 and the rotational constants of SeH- are B=7.7289(46) cm-1 and D=3.33(9)*10-4 cm-1. The shape of the cross section near threshold and the appearance of oscillations in the cross section provide a test of the understanding of the effect of a magnetic field on the photodetachment cross section.

Original languageEnglish (US)
Article number004
Pages (from-to)L405-L409
JournalJournal of Physics B: Atomic and Molecular Physics
Issue number11
StatePublished - Dec 1 1986

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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