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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 35, Iss. 10 — Oct. 1, 1945
  • pp: 658–660

Optics InfoBase > JOSA > Volume 35 > Issue 10 > Zeeman Effect Data for the Spectra of Lanthanum—La I and La II

Zeeman Effect Data for the Spectra of Lanthanum—La I and La II

GEORGE R. HARRISON, NATHAN ROSEN, and J.RAND MCNALLY,JR.  »View Author Affiliations


JOSA, Vol. 35, Issue 10, pp. 658-660 (1945)
http://dx.doi.org/10.1364/JOSA.35.000658


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Abstract

Zeeman effect data are given for 152 lines of La I and 506 lines of La II in the wave-length range 2257A to 7484A. Spectrograms were made at fields of 81,230, 83,370, and 86,570 oersteds using a Bitter electromagnet, and the 24 plates obtained with three diffraction gratings operating simultaneously were measured with an automatic comparator. g values are given for almost all of the classified terms of La I and La II, and the determinations from various lines agree usually to within 0.004 g unit. This makes available an array of unusually precise data for the evaluation of perturbations in typical rich two-electron and three-electron spectra. The g-sum rule of Pauli is verified in a number of cases to within a few tenths of a percent.

Citation
GEORGE R. HARRISON, NATHAN ROSEN, and J.RAND MCNALLY,JR., "Zeeman Effect Data for the Spectra of Lanthanum—La I and La II," J. Opt. Soc. Am. 35, 658-660 (1945)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-35-10-658

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