Hyperfine structure and isotope shift in the far-Infrared ground-state transitions of atomic oxygen

Year: 1993

Authors: De Natale P., Bellini M., Goetz W., Prevedelli M., Inguscio M.

Autors Affiliation: European Laboratory for Nonlinear Spectroscopy (LENS) Largo E. Fermi 2, 50125 Firenze, Italy

Abstract: We have investigated the P-3(2) –> P-3(1) and P-3(1) –> P-3(0), atomic fine-structure transitions in isotopically enriched samples of oxygen by means of tunable far-infrared spectroscopy. Accurate frequency measurements (a few parts in 10(8)) were made for all three stable isotopes and the O-17 hyperfine structure was resolved. The experimental values for the isotopic shift of O-18 relative to O-16 for the J = 2 –> J = 1 and J = 1 –> J = 0 fine-structure transitions are in agreement with theoretical calculations.

Journal/Review: PHYSICAL REVIEW A

Volume: 48 (5)      Pages from: 3757  to: 3760

KeyWords: fine-structure; spectrum; spectroscopy; lase
DOI: 10.1103/PhysRevA.48.3757

Citations: 19
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