Term analysis of the spectrum of neutral neptunium (Np I)
Journal Article
·
· J. Opt. Soc. Am.; (United States)
We have measured approximately 6096 Np wavelengths with the 9 m Paschen--Runge spectrograph at Argonne and the Fourier transform facilities at Aime Cotton, of which 40% have been classified as transitions between 130 even levels and 329 odd levels. Most of the even levels and half of the odd levels have been identified by hyperfine structure and Zeeman data. The ground configuration is 5f/sup 4/ 6d7s/sup 2/; the next configuration, 5f/sup 5/ 7s/sup 2/, starts at 2831 cm/sup -1/. The low levels of 5f/sup 4/ 6d/sup 2/ 7s, 5f/sup 3/ 6d/sup 2/ 7s/sup 2/, and 5f/sup 4/ 6d7s7p have been identified, and parameter fits have been made for 5f/sup 4/ 6d7s/sup 2/ and 5f/sup 4/ 7s/sup 2/ 7p. (AIP)
- Research Organization:
- Chemistry Division, Argonne National Laboratory, Argonne, Illinois 60439
- OSTI ID:
- 7316827
- Journal Information:
- J. Opt. Soc. Am.; (United States), Journal Name: J. Opt. Soc. Am.; (United States) Vol. 67:1; ISSN JOSAA
- Country of Publication:
- United States
- Language:
- English
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