Laser-induced fluorescence studies of HfF[superscript +] produced by autoionization
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Author(s)
Loh, Huanqian
Wang, Jia
Grau, Matt
Yahn, Tyler S.
Field, Robert W.
Greene, Chris H.
Cornell, Eric A.
Date Issued
October 2011
Journal
Journal of Chemical Physics
Publisher
American Institute of Physics (AIP)
Citation
Loh, Huanqian et al. “Laser-induced Fluorescence Studies of HfF+ Produced by Autoionization.” The Journal of Chemical Physics 135.15 (2011): 154308.
Version
Author's final manuscript
Abstract
Autoionization of Rydberg states of HfF, prepared using the optical-optical double resonance technique, holds promise to create HfF[superscript +] in a particular Zeeman level of a rovibronic state for an electron electric dipole moment search. We characterize a vibronic band of Rydberg HfF at 54 cm[superscript −1] above the lowest ionization threshold and directly probe the state of the ions formed from this vibronic band by performing laser-induced fluorescence on the ions. The Rydberg HfF molecules show a propensity to decay into only a few ion rotational states of a given parity and are found to preserve their orientation qualitatively upon autoionization. We show empirically that we can create 30% of the total ion yield in a particular |J[superscript +], M[superscript +]〉 state and present a simplified model describing autoionization from a given Rydberg state that assumes no angular dynamics.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
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Creative Commons Attribution-Noncommercial-Share Alike 3.0
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DOI of Published Version
https://doi.org/10.1063/1.3652333
