The Spectrum of Singly Ionized Boron B II
- 1 May 1970
- journal article
- Published by IOP Publishing in Physica Scripta
- Vol. 1 (5-6), 256-260
- https://doi.org/10.1088/0031-8949/1/5-6/013
Abstract
The spectrum of singly ionized boron has been studied by using a sliding spark in vacuum. The wavelength list contains 76 lines in the region 9 660-630 Å, 33 of which have not been observed or identified before. The singlets and triplets have been connected by the assumption that 6g 1 G and 6g 3 G have the same term value. The ionization energy has been determined to 202 887.4 ± 1.0 cm-1 by means of the polarization formula for 5g and 6g with a theoretical value of the dipole polarizability. The application of the polarization formula to other members of the Be isoelectronic sequence has lead to an increase by 27.2 cm-1 in the ionization limit of C III. The new value is 386 241.0 ± 1.0 cm-1.Keywords
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