Abstract

A method of differentiation between highly ionized spectra has enabled extension of the argon i isoelectronic sequences of the 3p54s and 3p5 5s levels. A sequence of 3p5(²P32)4d and 3p5(²P12)4d levels is established. The potassium i isoelectronic sequences of 3p63d–3p6nf transitions are also extended.

Lines of the following ions are reported: V vi, Cr vi and vii, Mn viii, Fe viii and ix, Co ix and x, Ni x and xi, Cu xi.

© 1965 Optical Society of America

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References

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  1. E. Alexander, U. Feldman, and B. S. Fraenkel, J. Quant. Spectry. Radiative Transfer 4, 501 (1964).
    [Crossref]
  2. E. Alexander and B. S. Fraenkel, Rev. Sci. Instr. 39, 887 (1963).
    [Crossref]
  3. B. Edlén, Z. Physik 104, 407 (1937).
    [Crossref]
  4. E. Ferner, Arkiv. Mat. Astron. Fysik 36A, No. 1 (1948).
  5. P. G. Kruger and F. S. Cooper, Phys. Rev. 44, 826 (1933).
    [Crossref]
  6. P. G. Kruger and S. G. Weissberg, Phys. Rev. 48, 659 (1935).
    [Crossref]
  7. P. G. Kruger, S. G. Weissberg, and L. W. Phillips, Phys. Rev. 51, 1090 (1937).
    [Crossref]
  8. See, for example,B. Edlén, “Atomic Spectra,” in Handbuch der Physik, edited by S. Flügge (Springer, Göttingen, 1964), Vol. 27, Table 13.
    [Crossref]
  9. E. U. Condon and G. H. Shortley, The Theory of Atomic Spectra (Cambridge University Press, 1935), Chap. 10.
  10. Z. Goldschmidt (private communication).
  11. U. Fano and G. Racah, Irreducible Tensorial Sets (Academic Press Inc., New York, 1959) Chap. 17.
  12. B. Eldéln, Z. Astrophys. 22, 30 (1942).
  13. See, for example, Ref. 8, Formulas (16.1).
  14. P. G. Kruger and S. G. Weissberg, Phys. Rev. 52, 314 (1937).
    [Crossref]

1964 (1)

E. Alexander, U. Feldman, and B. S. Fraenkel, J. Quant. Spectry. Radiative Transfer 4, 501 (1964).
[Crossref]

1963 (1)

E. Alexander and B. S. Fraenkel, Rev. Sci. Instr. 39, 887 (1963).
[Crossref]

1948 (1)

E. Ferner, Arkiv. Mat. Astron. Fysik 36A, No. 1 (1948).

1942 (1)

B. Eldéln, Z. Astrophys. 22, 30 (1942).

1937 (3)

P. G. Kruger and S. G. Weissberg, Phys. Rev. 52, 314 (1937).
[Crossref]

P. G. Kruger, S. G. Weissberg, and L. W. Phillips, Phys. Rev. 51, 1090 (1937).
[Crossref]

B. Edlén, Z. Physik 104, 407 (1937).
[Crossref]

1935 (1)

P. G. Kruger and S. G. Weissberg, Phys. Rev. 48, 659 (1935).
[Crossref]

1933 (1)

P. G. Kruger and F. S. Cooper, Phys. Rev. 44, 826 (1933).
[Crossref]

Alexander, E.

E. Alexander, U. Feldman, and B. S. Fraenkel, J. Quant. Spectry. Radiative Transfer 4, 501 (1964).
[Crossref]

E. Alexander and B. S. Fraenkel, Rev. Sci. Instr. 39, 887 (1963).
[Crossref]

Condon, E. U.

E. U. Condon and G. H. Shortley, The Theory of Atomic Spectra (Cambridge University Press, 1935), Chap. 10.

Cooper, F. S.

P. G. Kruger and F. S. Cooper, Phys. Rev. 44, 826 (1933).
[Crossref]

Edlén, B.

B. Edlén, Z. Physik 104, 407 (1937).
[Crossref]

See, for example,B. Edlén, “Atomic Spectra,” in Handbuch der Physik, edited by S. Flügge (Springer, Göttingen, 1964), Vol. 27, Table 13.
[Crossref]

Eldéln, B.

B. Eldéln, Z. Astrophys. 22, 30 (1942).

Fano, U.

U. Fano and G. Racah, Irreducible Tensorial Sets (Academic Press Inc., New York, 1959) Chap. 17.

Feldman, U.

E. Alexander, U. Feldman, and B. S. Fraenkel, J. Quant. Spectry. Radiative Transfer 4, 501 (1964).
[Crossref]

Ferner, E.

E. Ferner, Arkiv. Mat. Astron. Fysik 36A, No. 1 (1948).

Fraenkel, B. S.

E. Alexander, U. Feldman, and B. S. Fraenkel, J. Quant. Spectry. Radiative Transfer 4, 501 (1964).
[Crossref]

E. Alexander and B. S. Fraenkel, Rev. Sci. Instr. 39, 887 (1963).
[Crossref]

Goldschmidt, Z.

Z. Goldschmidt (private communication).

Kruger, P. G.

P. G. Kruger and S. G. Weissberg, Phys. Rev. 52, 314 (1937).
[Crossref]

P. G. Kruger, S. G. Weissberg, and L. W. Phillips, Phys. Rev. 51, 1090 (1937).
[Crossref]

P. G. Kruger and S. G. Weissberg, Phys. Rev. 48, 659 (1935).
[Crossref]

P. G. Kruger and F. S. Cooper, Phys. Rev. 44, 826 (1933).
[Crossref]

Phillips, L. W.

P. G. Kruger, S. G. Weissberg, and L. W. Phillips, Phys. Rev. 51, 1090 (1937).
[Crossref]

Racah, G.

U. Fano and G. Racah, Irreducible Tensorial Sets (Academic Press Inc., New York, 1959) Chap. 17.

Shortley, G. H.

E. U. Condon and G. H. Shortley, The Theory of Atomic Spectra (Cambridge University Press, 1935), Chap. 10.

Weissberg, S. G.

P. G. Kruger, S. G. Weissberg, and L. W. Phillips, Phys. Rev. 51, 1090 (1937).
[Crossref]

P. G. Kruger and S. G. Weissberg, Phys. Rev. 52, 314 (1937).
[Crossref]

P. G. Kruger and S. G. Weissberg, Phys. Rev. 48, 659 (1935).
[Crossref]

Arkiv. Mat. Astron. Fysik (1)

E. Ferner, Arkiv. Mat. Astron. Fysik 36A, No. 1 (1948).

J. Quant. Spectry. Radiative Transfer (1)

E. Alexander, U. Feldman, and B. S. Fraenkel, J. Quant. Spectry. Radiative Transfer 4, 501 (1964).
[Crossref]

Phys. Rev. (4)

P. G. Kruger and S. G. Weissberg, Phys. Rev. 52, 314 (1937).
[Crossref]

P. G. Kruger and F. S. Cooper, Phys. Rev. 44, 826 (1933).
[Crossref]

P. G. Kruger and S. G. Weissberg, Phys. Rev. 48, 659 (1935).
[Crossref]

P. G. Kruger, S. G. Weissberg, and L. W. Phillips, Phys. Rev. 51, 1090 (1937).
[Crossref]

Rev. Sci. Instr. (1)

E. Alexander and B. S. Fraenkel, Rev. Sci. Instr. 39, 887 (1963).
[Crossref]

Z. Astrophys. (1)

B. Eldéln, Z. Astrophys. 22, 30 (1942).

Z. Physik (1)

B. Edlén, Z. Physik 104, 407 (1937).
[Crossref]

Other (5)

See, for example, Ref. 8, Formulas (16.1).

See, for example,B. Edlén, “Atomic Spectra,” in Handbuch der Physik, edited by S. Flügge (Springer, Göttingen, 1964), Vol. 27, Table 13.
[Crossref]

E. U. Condon and G. H. Shortley, The Theory of Atomic Spectra (Cambridge University Press, 1935), Chap. 10.

Z. Goldschmidt (private communication).

U. Fano and G. Racah, Irreducible Tensorial Sets (Academic Press Inc., New York, 1959) Chap. 17.

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Figures (3)

F. 1
F. 1

Reduced terms of the Ar i isoelectronic sequences, against ionization. (Note the similarity between the slopes of the 3p54s and 3p5 4d curves.)

F. 2
F. 2

Difference between the splittings of parent levels and of the 4s levels, in the Ar i isoelectronic sequence, as function of ionization: ( 3 p 5 ² P 1 / 2 ° 3 p 5 ² P 3 / 2 ° ) ( 3 p 5 ( ² P 1 / 2 ° ) 4 s [ 1 / 2 ] 1 ° 3 p 5 ( ² P 3 / 2 ° ) 4 s [ 3 / 2 ] 1 ° ) .

F. 3
F. 3

Differentiation between highly ionized Fe spectra according to Ref. 1. The lines at 370.427 Å and 365.858 Å belong to different ionizations and thus can not constitute two components of one multiplet.

Tables (5)

Tables Icon

Table I Newly identified lines in Ar i-like ions.

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Table II Energy differences between pairs of terms and splitting of the parent terms in the Ar i isoelectronic sequences.

Tables Icon

Table III Estimate of limits and ionization potentials in the Ar i isoelectronic sequence.

Tables Icon

Table IV Observed lines and transitions of potassium i isoelectronic sequences.

Tables Icon

Table V Term values of potassium i isoelectronic sequences.

Equations (1)

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( 3 p 5 ² P 1 / 2 ° 3 p 5 ² P 3 / 2 ° ) ( 3 p 5 ( ² P 1 / 2 ° ) 4 s [ 1 / 2 ] 1 ° 3 p 5 ( ² P 3 / 2 ° ) 4 s [ 3 / 2 ] 1 ° ) .