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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 30, Iss. 11 — Nov. 1, 1940
  • pp: 523–535

The Zeeman Effect in the Rhodium Arc Spectrum at High Fields

JULIUS P. MOLNAR and WILLIAM J. HITCHCOCK  »View Author Affiliations

JOSA, Vol. 30, Issue 11, pp. 523-535 (1940)

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The Zeeman effect for the arc spectrum of rhodium has been photographed with a large Bitter type magnet at field intensities up to 94,000 gauss. Data are given on the Zeeman patterns of 446 lines, from which g values are calculated for nearly all the known low and middle spectral terms of the rhodium atom. For terms arising from the low even configuration, the g values are found to be given by LS coupling formulas, except for the terms having J = 2 ½ or 1 ½, in which case a perturbation between the overlapping d9. and d8.5s configurations destroys the agreement. The g sum rule is found to be valid when the terms from the two configurations are taken together. For the odd configurations the g values lie between those predicted by LS and Jj coupling formulas. The classification of lines by other investigators has been thoroughly checked, and a new term list is given with 14 additional terms. The old term values have been recalculated on the basis of new wave-length data.

JULIUS P. MOLNAR and WILLIAM J. HITCHCOCK, "The Zeeman Effect in the Rhodium Arc Spectrum at High Fields," J. Opt. Soc. Am. 30, 523-535 (1940)

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  1. C. P. Snyder, Astrophys. J. 14, 179 (1901).
  2. W. F. Meggers and O. Laporte, Phys. Rev. 28, 642 (1926).
  3. L. A. Sommer, Naturwiss. 13, 392 (1925).
  4. L. A. Sommer, Zeits. f. Physik 45, 147 (1927).
  5. G. R. Harrison and F. Bitter, Phys. Rev. 57, 15 (1940).
  6. G. R. Harrison and J. P. Molnar, J. Opt. Soc. Am. 30, 343 (1940).

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