hyperfine structure and isotope shifts in dy ii

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ID: 181499
2017
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Abstract
Using fast-ion-beam laser-fluorescence spectroscopy (FIBLAS), we have measured the hyperfine structure (hfs) of 14 levels and an additional four transitions in Dy II and the isotope shifts (IS) of 12 transitions in the wavelength range of 422–460 nm. These are the first precision measurements of this kind in Dy II. Along with hfs and IS, new undocumented transitions were discovered within 3 GHz of the targeted transitions. These atomic data are essential for astrophysical studies of chemical abundances, allowing correction for saturation and the effects of blended lines. Lanthanide abundances are important in diffusion modeling of stellar interiors, and in the mechanisms and history of nucleosynthesis in the universe. Hfs and IS also play an important role in the classification of energy levels, and provide a benchmark for theoretical atomic structure calculations.
Reference Key
papa2017atomshyperfine Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Dylan F. Del Papa;Richard A. Holt;S. David Rosner
Journal case reports in veterinary medicine
Year 2017
DOI
10.3390/atoms5010005
URL
http://www.mdpi.com/2218-2004/5/1/5
Keywords
laser spectroscopy radioactivity atomic energy

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