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 6g1Gand 6g3Ghave the same term value. The ionization energy has been determined to 202 887.4 ± 1.0 cm-1by means of the polarization formula for 5gand 6gwith 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-1in the ionization limit of C III. The new value is 386 241.0 ± 1.0 cm-1.Keywords
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