Photodetachment spectroscopy of SeH- in a magnetic field

R. C. Stoneman, Daniel John Larson

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

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
JournalJournal of Physics B: Atomic and Molecular Physics
Volume19
Issue number11
DOIs
StatePublished - Dec 1 1986

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photodetachment
electron affinity
thresholds
cross sections
magnetic fields
spectroscopy
oscillations
ions

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

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Photodetachment spectroscopy of SeH- in a magnetic field. / Stoneman, R. C.; Larson, Daniel John.

In: Journal of Physics B: Atomic and Molecular Physics, Vol. 19, No. 11, 004, 01.12.1986.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Photodetachment spectroscopy of SeH- in a magnetic field

AU - Stoneman, R. C.

AU - Larson, Daniel John

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AB - 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.

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