Determination of ionization potential of calcium by high-resolution resonance ionization spectroscopy

High-resolution resonance ionization spectroscopy has been utilized to determine a precise ionization potential of Ca. Three-step resonance excitation with single-mode extended-cavity diode lasers populates long and unperturbed Rydberg series of 4snp (1P1) and 4snf (1F3) states in the range of n=20-...

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Bibliographic Details
Published in:Journal of the Physical Society of Japan 2006-03, Vol.75 (3), p.34302
Main Authors: MIYABE, Masabumi, GEPPERT, Christopher, KATO, Masaaki, OBA, Masaki, WAKAIDA, Ikuo, WATANABE, Kazuo, WENDT, Klaus D. A
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Atomic properties and interactions with photons
Exact sciences and technology
Ionization potentials, electron affinities
Physics
Properties of atoms and atomic ions
Zeeman and stark effects
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Summary:High-resolution resonance ionization spectroscopy has been utilized to determine a precise ionization potential of Ca. Three-step resonance excitation with single-mode extended-cavity diode lasers populates long and unperturbed Rydberg series of 4snp (1P1) and 4snf (1F3) states in the range of n=20-150. Using an extended Ritz formula for quantum defects, the series convergence limit has been determined to be 49305.9240(20) cm-1 with the accuracy improved one order of magnitude higher than previously reported ones.
ISSN:0031-9015
1347-4073
DOI:10.1143/jpsj.75.034302