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Proceedings Paper

Photoelectron spectroscopy of lithium dimer anion
Author(s): H. W. Sarkas; S. T. Arnold; Jackie Hendricks; V. L. Slager; Kit Bowen
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Paper Abstract

We have recorded the photoelectron spectrum of 7Li2 at 488 nm and 457.9 nm. Photodetachment transitions are observed between the X2(Sigma) u+ state of 7Li2 and the X1(Sigma) g+, a3(Sigma) u+, and A1(Sigma) u+ states of 7Li2. The electron affinity of 7Li2 was determined to be 0.437 +/- 0.009 eV. Additional spectroscopic parameters for the X2(Sigma) u+ of 7Li2 determined in this work are: Be equals 0.502 +/- 0.005 cm-1 which leads to re equals 3.094 +/- 0.015 Angstrom, (omega) e equals 232 +/- 35 cm-1, and D0 equals 0.865 +/- 0.022 eV.

Paper Details

Date Published: 22 April 1993
PDF: 7 pages
Proc. SPIE 1858, Laser Techniques for State-Selected and State-to-State Chemistry, (22 April 1993); doi: 10.1117/12.143090
Show Author Affiliations
H. W. Sarkas, Johns Hopkins Univ. (United States)
S. T. Arnold, Johns Hopkins Univ. (United States)
Jackie Hendricks, Johns Hopkins Univ. (United States)
V. L. Slager, Johns Hopkins Univ. (United States)
Kit Bowen, Johns Hopkins Univ. (United States)

Published in SPIE Proceedings Vol. 1858:
Laser Techniques for State-Selected and State-to-State Chemistry
Cheuk Yiu Ng, Editor(s)

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