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Title: Vibrationally- and rotationally-resolved photoelectron imaging of cryogenically-cooled SbO 2 –
We report a temperature-controlled photoelectron imaging study of SbO2–, produced from a laser vaporization source and cooled in a cryogenic 3D Paul trap. Vibrationally resolved photoelectron spectra are obtained for the ground state detachment transition, yielding the bending frequencies for both SbO2 and SbO2–. Franck-Condon simulations also allow the estimate of the vibrational temperature of the trapped SbO2– anion. A near-threshold spectrum of SbO2– at a photon energy of 3.4958 eV reveals partially resolved rotational structure for the 0-0 transition, which yields an accurate electron affinity of 3.4945 ± 0.0004 eV for SbO2. The rotational simulation also yields an estimated rotational temperature of the trapped ions.  more » « less
Award ID(s):
2053541
PAR ID:
10402316
Author(s) / Creator(s):
; ;
Date Published:
Journal Name:
Molecular Physics
ISSN:
0026-8976
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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