Systematic Study of Fine and Hyperfine Structures in Pr I by Doppler-Free Atomic-Beam Laser Spectroscopy

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Takeshi Kuwamoto¹, Ichita Endo¹, Atsushi Fukumi¹, Takashi Hasegawa¹, Takayoshi Horiguchi¹, Yoshihisa Ishida¹, Takashi Kobayashi¹, Toshihisa Kondo¹, and Tohru Takahashi¹

+ Affiliations

¹Department of Physics, Faculty of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739

Received June 7, 1996

Atomic spectra of neutral praseodymium (Pr I) have been measured by means of the atomic-beam laser spectroscopy. Hyperfine structures of 34 atomic transitions in the wavelength range from 544 nm to 596 nm were resolved and hyperfine constants A and B were determined for 57 levels. Out of them, 18 transitions were found to be new ones and the energies and the electronic total angular momenta of 11 fine structure levels were determined for the first time.

https://doi.org/10.1143/JPSJ.65.3180

KEYWORDS: hyperfine structure, atomic-beam laser spectroscopy, Pr I

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Systematic Study of Fine and Hyperfine Structures in Pr I by Doppler-Free Atomic-Beam Laser Spectroscopy

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