Abstract

199 Zeeman patterns are presented for Gd i, from which g-values are calculated for 118 levels. A discussion is given of the terms and electron configurations to which previously unassigned even levels may belong; new assignments are given for 15 even levels belonging to four terms (7P, 9F, 9D, 7D) of the configuration 4f7(S8312)5d6s6p. Russell’s prediction that the next even configuration, 4f7(S8312)5d26p, begins at ~25 000 cm−1 is confirmed. The observed g-values in general lie within ±5% of the LS coupling values, but marked deviations occur for some levels, indicating that energy-level mixing is present.

© 1967 Optical Society of America

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References

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  1. D. Desmarais and E. H. Pinnington, J. Opt. Soc. Am. 57, 1245 (1967).
    [Crossref]
  2. H. N. Russell, J. Opt. Soc. Am. 40, 550 (1950).
    [Crossref]
  3. K. F. Smith and I. J. Spalding, Proc. Roy. Soc. (London) 265, 133 (1961).
    [Crossref]
  4. G. Smith and B. G. Wybourne, J. Opt. Soc. Am. 55, 1278 (1965).
    [Crossref]
  5. E. H. Pinnington, Can. J. Phys. 41, 1294 (1963).
    [Crossref]
  6. C. E. Moore, NBS Circ. 467, 197 (1952).

1967 (1)

1965 (1)

1963 (1)

E. H. Pinnington, Can. J. Phys. 41, 1294 (1963).
[Crossref]

1961 (1)

K. F. Smith and I. J. Spalding, Proc. Roy. Soc. (London) 265, 133 (1961).
[Crossref]

1952 (1)

C. E. Moore, NBS Circ. 467, 197 (1952).

1950 (1)

Desmarais, D.

Moore, C. E.

C. E. Moore, NBS Circ. 467, 197 (1952).

Pinnington, E. H.

Russell, H. N.

Smith, G.

Smith, K. F.

K. F. Smith and I. J. Spalding, Proc. Roy. Soc. (London) 265, 133 (1961).
[Crossref]

Spalding, I. J.

K. F. Smith and I. J. Spalding, Proc. Roy. Soc. (London) 265, 133 (1961).
[Crossref]

Wybourne, B. G.

Can. J. Phys. (1)

E. H. Pinnington, Can. J. Phys. 41, 1294 (1963).
[Crossref]

J. Opt. Soc. Am. (3)

NBS Circ. (1)

C. E. Moore, NBS Circ. 467, 197 (1952).

Proc. Roy. Soc. (London) (1)

K. F. Smith and I. J. Spalding, Proc. Roy. Soc. (London) 265, 133 (1961).
[Crossref]

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Tables (6)

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Table I Zeeman patterns observed in Gd i.

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Table II g-values for odd terms in Gd i.

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Table III g-values for even terms in Gd i.

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Table IV Unclassified even levels.

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Table V Low-lying odd configurations in Lu i and Y i.

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Table VI Term assignment to unclassified levels in Gd i.