The third spectrum of rhenium (Re III): Analysis of the (5d5 + 5d46s)–(5d46p + 5d36s6p) transition array

The spectrum of rhenium was observed in the (1017–2074) Å wavelength region. The (5d5 + 5d46s)–(5d46p + 5d36s6p) transition array of two times ionized rhenium, Re III, has been investigated and 1305 spectral lines have been classified in the region. The analysis has led to the determination of the 5...

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Bibliographic Details
Published in:Atomic data and nuclear data tables 2018-05, Vol.121-122, p.306-344
Main Authors: Azarov, Vladimir I., Gayasov, Robert R.
Format: Article
Language:English
Subjects:
Atomic spectrum
Energy level
ENERGY-LEVEL TRANSITIONS
LEAST SQUARE FIT
NUCLEAR PHYSICS AND RADIATION PHYSICS
PROBABILITY
Re2
RHENIUM
SPECTRA
Spectral line identification
Two times ionized rhenium
Vacuum ultraviolet
WAVELENGTHS
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Summary:The spectrum of rhenium was observed in the (1017–2074) Å wavelength region. The (5d5 + 5d46s)–(5d46p + 5d36s6p) transition array of two times ionized rhenium, Re III, has been investigated and 1305 spectral lines have been classified in the region. The analysis has led to the determination of the 5d5, 5d46s, 5d46p and 5d36s6p configurations. Seventy levels of the 5d5 and 5d46s configurations in the even system and 161 levels of the 5d46p and 5d36s6p configurations in the odd system have been established. The orthogonal operators technique was used to calculate the level structure and transition probabilities. The energy parameters have been determined by the least squares fit to the observed levels. Calculated transition probability and energy values, as well as LS-compositions obtained from the fitted parameters are presented.
ISSN:0092-640X
1090-2090
DOI:10.1016/j.adt.2017.08.003