Optical Stark and Zeeman Spectroscopy of Thorium Fluoride (ThF) and Thorium Chloride (ThCl)

Duc Trung Nguyen, Timothy Steimle, Colan Linton, Lan Cheng

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Abstract

Experimentally and theoretically determined magnetic and electric dipole moments, bond distances, and vibrational spacings are used for a comparative study of the bonding in ThF and ThCl. Numerous bands in the visible electronic spectra between 16 400 and 18 800 cm -1 of supersonically cooled molecular beam samples have been detected using medium-resolution (0.1 cm -1 ) 2D spectroscopy. High-resolution (δ 1/2< 20 MHz) field-free, Stark, and Zeeman spectroscopy of the detected [18.6]ω = 3/2 - X 2 δ 3/2 band of ThF near 538.4 nm and the [18.2]ω = 3/2 - X 2 δ 3/2 band of ThCl near 551.0 nm have been recorded and analyzed. Stark shifts and splitting were analyzed to produce |μ→ el

Original languageEnglish (US)
Pages (from-to)1423-1433
Number of pages11
JournalJournal of Physical Chemistry A
Volume123
Issue number7
DOIs
Publication statusPublished - Feb 21 2019

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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