REMPI spectroscopy of HfF
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Field_REMPI spectroscopy.pdf
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Author(s)
Loh, Huanqian
Stutz, Russell P.
Yahn, Tyler S.
Looser, Herbert
Field, Robert W.
Cornell, Eric A.
Date Issued
July 2012
Journal
Journal of Molecular Spectroscopy
Publisher
Elsevier
Citation
Loh, Huanqian, Russell P. Stutz, Tyler S. Yahn, Herbert Looser, Robert W. Field, and Eric A. Cornell. “REMPI Spectroscopy of HfF.” Journal of Molecular Spectroscopy 276–277 (June 2012): 49–56.
Version
Author's final manuscript
Abstract
The spectrum of electronic states at 30 000–33 000 cm[superscript −1] in hafnium fluoride has been studied using (1 + 1) resonance-enhanced multi-photon ionization (REMPI) and (1+1[superscript ′]) REMPI. Six Ω[superscript ′] = 3/2 and ten Π[subscript 1/2] vibronic bands have been characterized. We report the molecular constants for these bands and estimate the electronic energies of the excited states using a correction derived from the observed isotope shifts. When either of two closely spaced Π[subscript 1/2] electronic states is used as an intermediate state to access autoionizing Rydberg levels, qualitatively distinct autoionization spectra are observed. The intermediate state-specificity of the autoionization spectra bodes well for the possibility of using a selected Π[subscript 1/2] state as an intermediate state to create ionic HfF[superscript +] in various selected quantum states, an important requirement for our electron electric dipole moment (eEDM) search in HfF[superscript +].
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
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Creative Commons Attribution-Noncommercial-NoDerivatives
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DOI of Published Version
https://doi.org/10.1016/j.jms.2012.06.014
