Abstract

The seven spectra K ix through Mn xv have been analyzed and the series limits determined. We present the adopted wavelengths and the derived energy levels and term splittings. The highly ionized atoms were produced in a spark source and recorded mainly on a 3 m grazing incidence spectrograph. Many new lines have been identified and many previously given wavelengths have been revised. All wavelengths have been examined for consistency by least-squares-fitting procedures and other tests. These procedures indicated misidentified lines and incorrect wavelengths which we corrected when possible. A discussion of the errors is given.

© 1976 Optical Society of America

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References

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  1. B. Edlén, Z. Phys. 100, 621 (1936).
    [CrossRef]
  2. A. Beckman, Bidrag Till Kannedomen om Skandiums Spektrum I Yttersta Ultraviolett, (Almqvist and Wiksells Boktryckeri-A. -B), Stockholm/Uppsala, 1937).
  3. P. G. Kruger and L. W. Phillips, Phys. Rev. 55, 352 (1939).
    [CrossRef]
  4. U. Feldman, L. Cohen, and M. Swartz, J. Opt. Soc. Am. 57, 535 (1967).
    [CrossRef] [PubMed]
  5. U. Feldman, L. Katz, W. Behring, and L. Cohen, J. Opt. Soc. Am. 61, 91 (1971).
    [CrossRef]
  6. L. A. Svensson and J. O. Ekberg, Ark. Fys. 37, 65 (1968); Ark. Fys. 40, 145 (1969).
  7. J. O. Ekberg and L. A. Svensson, Phys. Scrip. 12, 116 (1975).
    [CrossRef]
  8. B. C. Fawcett and N. J. Peacock, Proc. Phys. Soc. Lond. 91, 973 (1967).
    [CrossRef]
  9. B. C. Fawcett, R. D. Cowan, E. Y. Kononov, and R. W. Hayes, J. Phys. B 5, 1255 (1972).
    [CrossRef]
  10. B. C. Fawcett, R. D. Cowan, and R. W. Hayes, J. Phys. B 5, 2143 (1972).
    [CrossRef]
  11. R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Angstroms, (U.S. Govt. Printing Office, Washington, D. C., 1973).
  12. U. Feldman, M. Swartz, and L. Cohen, Rev. Sci. Instrum. 38, 1372 (1967).
    [CrossRef]
  13. L. Cohen, U. Feldman, M. Swartz, and J. H. Underwood, J. Opt. Soc. Am. 58, 843 (1968).
    [CrossRef]
  14. W. E. Behring, R. J. Ugiansky, and U. Feldman, Appl. Opt. 12, 528 (1973).
    [CrossRef] [PubMed]
  15. B. Edlén, in Encyclopedia of Physics, Vol. 27, edited by S. Flügge (Springer-Verlag, Berlin, 1964), p. 123.
  16. J. Mathews and R. L. Walker, Mathematical Methods of Physics (Benjamin, New York, 1965), p. 367.
  17. S. O. Kastner, J. Opt. Soc. Am. 61, 335 (1971).
    [CrossRef]

1975 (1)

J. O. Ekberg and L. A. Svensson, Phys. Scrip. 12, 116 (1975).
[CrossRef]

1973 (1)

1972 (2)

B. C. Fawcett, R. D. Cowan, E. Y. Kononov, and R. W. Hayes, J. Phys. B 5, 1255 (1972).
[CrossRef]

B. C. Fawcett, R. D. Cowan, and R. W. Hayes, J. Phys. B 5, 2143 (1972).
[CrossRef]

1971 (2)

1968 (2)

L. Cohen, U. Feldman, M. Swartz, and J. H. Underwood, J. Opt. Soc. Am. 58, 843 (1968).
[CrossRef]

L. A. Svensson and J. O. Ekberg, Ark. Fys. 37, 65 (1968); Ark. Fys. 40, 145 (1969).

1967 (3)

U. Feldman, M. Swartz, and L. Cohen, Rev. Sci. Instrum. 38, 1372 (1967).
[CrossRef]

B. C. Fawcett and N. J. Peacock, Proc. Phys. Soc. Lond. 91, 973 (1967).
[CrossRef]

U. Feldman, L. Cohen, and M. Swartz, J. Opt. Soc. Am. 57, 535 (1967).
[CrossRef] [PubMed]

1939 (1)

P. G. Kruger and L. W. Phillips, Phys. Rev. 55, 352 (1939).
[CrossRef]

1936 (1)

B. Edlén, Z. Phys. 100, 621 (1936).
[CrossRef]

Beckman, A.

A. Beckman, Bidrag Till Kannedomen om Skandiums Spektrum I Yttersta Ultraviolett, (Almqvist and Wiksells Boktryckeri-A. -B), Stockholm/Uppsala, 1937).

Behring, W.

Behring, W. E.

Cohen, L.

Cowan, R. D.

B. C. Fawcett, R. D. Cowan, E. Y. Kononov, and R. W. Hayes, J. Phys. B 5, 1255 (1972).
[CrossRef]

B. C. Fawcett, R. D. Cowan, and R. W. Hayes, J. Phys. B 5, 2143 (1972).
[CrossRef]

Edlén, B.

B. Edlén, Z. Phys. 100, 621 (1936).
[CrossRef]

B. Edlén, in Encyclopedia of Physics, Vol. 27, edited by S. Flügge (Springer-Verlag, Berlin, 1964), p. 123.

Ekberg, J. O.

J. O. Ekberg and L. A. Svensson, Phys. Scrip. 12, 116 (1975).
[CrossRef]

L. A. Svensson and J. O. Ekberg, Ark. Fys. 37, 65 (1968); Ark. Fys. 40, 145 (1969).

Fawcett, B. C.

B. C. Fawcett, R. D. Cowan, E. Y. Kononov, and R. W. Hayes, J. Phys. B 5, 1255 (1972).
[CrossRef]

B. C. Fawcett, R. D. Cowan, and R. W. Hayes, J. Phys. B 5, 2143 (1972).
[CrossRef]

B. C. Fawcett and N. J. Peacock, Proc. Phys. Soc. Lond. 91, 973 (1967).
[CrossRef]

Feldman, U.

Hayes, R. W.

B. C. Fawcett, R. D. Cowan, E. Y. Kononov, and R. W. Hayes, J. Phys. B 5, 1255 (1972).
[CrossRef]

B. C. Fawcett, R. D. Cowan, and R. W. Hayes, J. Phys. B 5, 2143 (1972).
[CrossRef]

Kastner, S. O.

Katz, L.

Kelly, R. L.

R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Angstroms, (U.S. Govt. Printing Office, Washington, D. C., 1973).

Kononov, E. Y.

B. C. Fawcett, R. D. Cowan, E. Y. Kononov, and R. W. Hayes, J. Phys. B 5, 1255 (1972).
[CrossRef]

Kruger, P. G.

P. G. Kruger and L. W. Phillips, Phys. Rev. 55, 352 (1939).
[CrossRef]

Mathews, J.

J. Mathews and R. L. Walker, Mathematical Methods of Physics (Benjamin, New York, 1965), p. 367.

Palumbo, L. J.

R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Angstroms, (U.S. Govt. Printing Office, Washington, D. C., 1973).

Peacock, N. J.

B. C. Fawcett and N. J. Peacock, Proc. Phys. Soc. Lond. 91, 973 (1967).
[CrossRef]

Phillips, L. W.

P. G. Kruger and L. W. Phillips, Phys. Rev. 55, 352 (1939).
[CrossRef]

Svensson, L. A.

J. O. Ekberg and L. A. Svensson, Phys. Scrip. 12, 116 (1975).
[CrossRef]

L. A. Svensson and J. O. Ekberg, Ark. Fys. 37, 65 (1968); Ark. Fys. 40, 145 (1969).

Swartz, M.

Ugiansky, R. J.

Underwood, J. H.

Walker, R. L.

J. Mathews and R. L. Walker, Mathematical Methods of Physics (Benjamin, New York, 1965), p. 367.

Appl. Opt. (1)

Ark. Fys. (1)

L. A. Svensson and J. O. Ekberg, Ark. Fys. 37, 65 (1968); Ark. Fys. 40, 145 (1969).

J. Opt. Soc. Am. (4)

J. Phys. B (2)

B. C. Fawcett, R. D. Cowan, E. Y. Kononov, and R. W. Hayes, J. Phys. B 5, 1255 (1972).
[CrossRef]

B. C. Fawcett, R. D. Cowan, and R. W. Hayes, J. Phys. B 5, 2143 (1972).
[CrossRef]

Phys. Rev. (1)

P. G. Kruger and L. W. Phillips, Phys. Rev. 55, 352 (1939).
[CrossRef]

Phys. Scrip. (1)

J. O. Ekberg and L. A. Svensson, Phys. Scrip. 12, 116 (1975).
[CrossRef]

Proc. Phys. Soc. Lond. (1)

B. C. Fawcett and N. J. Peacock, Proc. Phys. Soc. Lond. 91, 973 (1967).
[CrossRef]

Rev. Sci. Instrum. (1)

U. Feldman, M. Swartz, and L. Cohen, Rev. Sci. Instrum. 38, 1372 (1967).
[CrossRef]

Z. Phys. (1)

B. Edlén, Z. Phys. 100, 621 (1936).
[CrossRef]

Other (4)

A. Beckman, Bidrag Till Kannedomen om Skandiums Spektrum I Yttersta Ultraviolett, (Almqvist and Wiksells Boktryckeri-A. -B), Stockholm/Uppsala, 1937).

R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Angstroms, (U.S. Govt. Printing Office, Washington, D. C., 1973).

B. Edlén, in Encyclopedia of Physics, Vol. 27, edited by S. Flügge (Springer-Verlag, Berlin, 1964), p. 123.

J. Mathews and R. L. Walker, Mathematical Methods of Physics (Benjamin, New York, 1965), p. 367.

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Tables (3)

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TABLE I Adopted wavelengths.

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TABLE II Energy levels (cm−1).

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TABLE III Term splittings. The experimentally found splittings (cm−1) are given for all terms. For the F terms the calculated hydrogenic splittings are also given.

Equations (3)

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E n = E 1 - R ζ 2 / ( n * ) 2 ,
σ m = ( 1 / Σ σ i - 2 ) 1 / 2 ,
χ 2 = Σ [ ( E i - E m ) / σ i ] 2 .