| Autor: |
Iglesias L; Instituto de Optica, Serrano 121. 28006-Madrid ( Spain )., Cabeza MI; Instituto de Optica, Serrano 121. 28006-Madrid ( Spain )., Rico FR; Instituto de Optica, Serrano 121. 28006-Madrid ( Spain )., Garcia-Riquelme O; Instituto de Optica, Serrano 121. 28006-Madrid ( Spain )., Kaufman V; National Institute of Standards and Technology, Gaithersburg, MD 20899. |
| Jazyk: |
angličtina |
| Zdroj: |
Journal of research of the National Institute of Standards and Technology [J Res Natl Inst Stand Technol] 1989 Jul-Aug; Vol. 94 (4), pp. 221-258. |
| DOI: |
10.6028/jres.094.023 |
| Abstrakt: |
The spectrum of doubly ionized tungsten (W III) was produced in a sliding-spark discharge and recorded photographically on the NIST 10.7-m normal-incidence vacuum spectrograph in the 600-2680 Å spectral region. The analysis has led to the establishment of 71 levels of the interacting 5 d 4 , 5 d 3 6 s and 5 d 2 6 s 2 even configurations and 164 levels of the interacting 5 d 3 6 p and 5 d 2 6 s 6 p odd ones. A total of 2636 lines have been classified as transitions between the 235 experimentally determined levels. Comparison between the observed levels and those calculated from matrix diagonalizations with least-squares fitted parameters shows an rms deviation of ±87 cm -1 for the even configurations and ±450 cm -1 for the odd ones. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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