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Updated: Jan 2, 2026

Preparing an Isotopically Pure 229Th Ion Beam for Studies of 229mTh
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Fundamental Energy Levels of Neutral Promethium (Pm I)

Joseph Reader1, Sumner P Davis1

  • 1Institute for Basic Standards, National Bureau of Standards, Washington, D.C. 20234.

Journal of Research of the National Bureau of Standards. Section A, Physics and Chemistry
|December 12, 2019
PubMed

Keywords:
Atomic spectroscopyelectronic energy levelsneutral atompromethiumrare earth

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