Laser-induced fluorescence studies of HfF+ produced by autoionization

Details Laser-induced fluorescence studies of HfF+ produced by autoionization Laser-induced fluorescence studies of HfF+ produced by autoionization

2011-09-25

arxiv.org/abs/1109.5408v1

J. Chem. Phys., 135, 154308 (2011)

Physics

Atomic Physics

8 pages, 5 figures

Scientific paper

10.1063/1.3652333

Autoionization of Rydberg states of HfF, prepared using the optical-optical double resonance (OODR) technique, holds promise to create HfF+ in a particular Zeeman level of a rovibronic state for an electron electric dipole moment (eEDM) search. We characterize a vibronic band of Rydberg HfF at 54 cm-1 above the lowest ionization threshold and directly probe the state of the ions formed from this vibronic band by performing laser-induced fluorescence (LIF) 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+,M+> state and present a simplified model describing autoionization from a given Rydberg state that assumes no angular dynamics.

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