Abstract

New measurements of 62 spectral lines of highly ionized Ni ions in the range of 83–320 Å have been made with an uncertainty of ±0.005 Å. The light source was the TEXT tokamak at the University of Texas in Austin. Lines of Li-like to K-like ions are included, along with visually estimated relative intensities, previous measurements, and classifications. The uncertainty of more than half of the previous best measurements is ±(0.02–0.03) Å.

© 1992 Optical Society of America

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  1. N. J. Peacock, M. F. Stamp, J. D. Silver, “Highly ionized atoms in fusion research plasmas,” Phys. Scr. T8, 10 (1984).
    [CrossRef]
  2. W. E. Behring, L. Cohen, U. Feldman, G. Doschek, “The solar spectrum: wavelengths and identifications from 160 to 770 angstroms,” Astrophys. J. 203, 521 (1976).
    [CrossRef]
  3. B. Edlén, “Comparison of theoretical and experimental level values of the n= 2 complex in ions isoelectronic with Li, Be, O, and FPhys. Scr. 28, 51 (1983).
    [CrossRef]
  4. B. Edlén, “Comparison of theoretical and experimental level values in the nitrogen isoelectronic sequence,” Phys. Scr. 30, 135 (1984).
    [CrossRef]
  5. E. Hinnov, B. Denne, “Empirical evaluation of three-electron quantum-electrodynamics effects from lithiumlike resonance lines of elements Z= 2242 in the Tokamak Fusion Test Reactor and Joint European Torus tokamaks,” Phys. Rev. A 40, 4357 (1989).
    [CrossRef] [PubMed]
  6. K. D. Lawson, N. J. Peacock, “The analysis of the n= 2–2 transitions in the XUV spectra of Cr to Ni,” J. Phys. B 13, 3313 (1980).
    [CrossRef]
  7. G. A. Doschek, U. Feldman, R. D. Cowan, L. Cohen, “Transitions 2s22pk–2s 2pk+1 of the F i, O i, and N i isoelectronic sequences,” Astrophys. J. 188, 417 (1974).
    [CrossRef]
  8. J. Reader, V. Kaufman, J. Sugar, J. O. Ekberg, U. Feldman, C. M. Brown, J. F. Seely, W. L. Rowan, “3s–3p, 3p–3d, and 3d–4f transitions of sodiumlike ions,” J. Opt. Soc. Am. B 4, 1821 (1987).
    [CrossRef]
  9. W. E. Behring, L. Cohen, U. Feldman, “The solar spectrum: wavelengths and identifications from 60 to 385 angstroms,” Astrophys. J. 175, 493 (1972).
    [CrossRef]
  10. B. C. Fawcett, A. T. Hatter, “Spectra of the 3s23pn–3s 3pn+1 transition arrays emitted from nickel and cobalt ions,” Astron. Astrophys. 84, 78 (1980).
  11. A. Redfors, U. Litzén, “Extended analysis of spectra and term systems in aluminumlike Ca viii–Ni xvi,” J. Opt. Soc. Am. B 6, 1447 (1989).
    [CrossRef]
  12. B. C. Fawcett, R. W. Hayes, “The classification of Ni xi to xvii and Co x to xvii emission lines from 3s23pn–3s 3pn+1 and 3pn–3pn−13d transitions and the identification of nickel solar lines,” J. Phys. B 5, 366 (1972).
    [CrossRef]
  13. S. Goldsmith, B. S. Fraenkel, “Classification of new multiplets in the extreme ultraviolet spectra of nickel, copper, and zinc,” Astrophys. J. 161, 317 (1970).
    [CrossRef]
  14. A. A. Ramonas, A. N. Ryabtsev, “Spectra of Mn vii–Cu xi ions of the K i isoelectronic series,” Opt. Spectrosc. (USSR) 48, 348 (1980).

1989

E. Hinnov, B. Denne, “Empirical evaluation of three-electron quantum-electrodynamics effects from lithiumlike resonance lines of elements Z= 2242 in the Tokamak Fusion Test Reactor and Joint European Torus tokamaks,” Phys. Rev. A 40, 4357 (1989).
[CrossRef] [PubMed]

A. Redfors, U. Litzén, “Extended analysis of spectra and term systems in aluminumlike Ca viii–Ni xvi,” J. Opt. Soc. Am. B 6, 1447 (1989).
[CrossRef]

1987

1984

N. J. Peacock, M. F. Stamp, J. D. Silver, “Highly ionized atoms in fusion research plasmas,” Phys. Scr. T8, 10 (1984).
[CrossRef]

B. Edlén, “Comparison of theoretical and experimental level values in the nitrogen isoelectronic sequence,” Phys. Scr. 30, 135 (1984).
[CrossRef]

1983

B. Edlén, “Comparison of theoretical and experimental level values of the n= 2 complex in ions isoelectronic with Li, Be, O, and FPhys. Scr. 28, 51 (1983).
[CrossRef]

1980

K. D. Lawson, N. J. Peacock, “The analysis of the n= 2–2 transitions in the XUV spectra of Cr to Ni,” J. Phys. B 13, 3313 (1980).
[CrossRef]

B. C. Fawcett, A. T. Hatter, “Spectra of the 3s23pn–3s 3pn+1 transition arrays emitted from nickel and cobalt ions,” Astron. Astrophys. 84, 78 (1980).

A. A. Ramonas, A. N. Ryabtsev, “Spectra of Mn vii–Cu xi ions of the K i isoelectronic series,” Opt. Spectrosc. (USSR) 48, 348 (1980).

1976

W. E. Behring, L. Cohen, U. Feldman, G. Doschek, “The solar spectrum: wavelengths and identifications from 160 to 770 angstroms,” Astrophys. J. 203, 521 (1976).
[CrossRef]

1974

G. A. Doschek, U. Feldman, R. D. Cowan, L. Cohen, “Transitions 2s22pk–2s 2pk+1 of the F i, O i, and N i isoelectronic sequences,” Astrophys. J. 188, 417 (1974).
[CrossRef]

1972

W. E. Behring, L. Cohen, U. Feldman, “The solar spectrum: wavelengths and identifications from 60 to 385 angstroms,” Astrophys. J. 175, 493 (1972).
[CrossRef]

B. C. Fawcett, R. W. Hayes, “The classification of Ni xi to xvii and Co x to xvii emission lines from 3s23pn–3s 3pn+1 and 3pn–3pn−13d transitions and the identification of nickel solar lines,” J. Phys. B 5, 366 (1972).
[CrossRef]

1970

S. Goldsmith, B. S. Fraenkel, “Classification of new multiplets in the extreme ultraviolet spectra of nickel, copper, and zinc,” Astrophys. J. 161, 317 (1970).
[CrossRef]

Behring, W. E.

W. E. Behring, L. Cohen, U. Feldman, G. Doschek, “The solar spectrum: wavelengths and identifications from 160 to 770 angstroms,” Astrophys. J. 203, 521 (1976).
[CrossRef]

W. E. Behring, L. Cohen, U. Feldman, “The solar spectrum: wavelengths and identifications from 60 to 385 angstroms,” Astrophys. J. 175, 493 (1972).
[CrossRef]

Brown, C. M.

Cohen, L.

W. E. Behring, L. Cohen, U. Feldman, G. Doschek, “The solar spectrum: wavelengths and identifications from 160 to 770 angstroms,” Astrophys. J. 203, 521 (1976).
[CrossRef]

G. A. Doschek, U. Feldman, R. D. Cowan, L. Cohen, “Transitions 2s22pk–2s 2pk+1 of the F i, O i, and N i isoelectronic sequences,” Astrophys. J. 188, 417 (1974).
[CrossRef]

W. E. Behring, L. Cohen, U. Feldman, “The solar spectrum: wavelengths and identifications from 60 to 385 angstroms,” Astrophys. J. 175, 493 (1972).
[CrossRef]

Cowan, R. D.

G. A. Doschek, U. Feldman, R. D. Cowan, L. Cohen, “Transitions 2s22pk–2s 2pk+1 of the F i, O i, and N i isoelectronic sequences,” Astrophys. J. 188, 417 (1974).
[CrossRef]

Denne, B.

E. Hinnov, B. Denne, “Empirical evaluation of three-electron quantum-electrodynamics effects from lithiumlike resonance lines of elements Z= 2242 in the Tokamak Fusion Test Reactor and Joint European Torus tokamaks,” Phys. Rev. A 40, 4357 (1989).
[CrossRef] [PubMed]

Doschek, G.

W. E. Behring, L. Cohen, U. Feldman, G. Doschek, “The solar spectrum: wavelengths and identifications from 160 to 770 angstroms,” Astrophys. J. 203, 521 (1976).
[CrossRef]

Doschek, G. A.

G. A. Doschek, U. Feldman, R. D. Cowan, L. Cohen, “Transitions 2s22pk–2s 2pk+1 of the F i, O i, and N i isoelectronic sequences,” Astrophys. J. 188, 417 (1974).
[CrossRef]

Edlén, B.

B. Edlén, “Comparison of theoretical and experimental level values in the nitrogen isoelectronic sequence,” Phys. Scr. 30, 135 (1984).
[CrossRef]

B. Edlén, “Comparison of theoretical and experimental level values of the n= 2 complex in ions isoelectronic with Li, Be, O, and FPhys. Scr. 28, 51 (1983).
[CrossRef]

Ekberg, J. O.

Fawcett, B. C.

B. C. Fawcett, A. T. Hatter, “Spectra of the 3s23pn–3s 3pn+1 transition arrays emitted from nickel and cobalt ions,” Astron. Astrophys. 84, 78 (1980).

B. C. Fawcett, R. W. Hayes, “The classification of Ni xi to xvii and Co x to xvii emission lines from 3s23pn–3s 3pn+1 and 3pn–3pn−13d transitions and the identification of nickel solar lines,” J. Phys. B 5, 366 (1972).
[CrossRef]

Feldman, U.

J. Reader, V. Kaufman, J. Sugar, J. O. Ekberg, U. Feldman, C. M. Brown, J. F. Seely, W. L. Rowan, “3s–3p, 3p–3d, and 3d–4f transitions of sodiumlike ions,” J. Opt. Soc. Am. B 4, 1821 (1987).
[CrossRef]

W. E. Behring, L. Cohen, U. Feldman, G. Doschek, “The solar spectrum: wavelengths and identifications from 160 to 770 angstroms,” Astrophys. J. 203, 521 (1976).
[CrossRef]

G. A. Doschek, U. Feldman, R. D. Cowan, L. Cohen, “Transitions 2s22pk–2s 2pk+1 of the F i, O i, and N i isoelectronic sequences,” Astrophys. J. 188, 417 (1974).
[CrossRef]

W. E. Behring, L. Cohen, U. Feldman, “The solar spectrum: wavelengths and identifications from 60 to 385 angstroms,” Astrophys. J. 175, 493 (1972).
[CrossRef]

Fraenkel, B. S.

S. Goldsmith, B. S. Fraenkel, “Classification of new multiplets in the extreme ultraviolet spectra of nickel, copper, and zinc,” Astrophys. J. 161, 317 (1970).
[CrossRef]

Goldsmith, S.

S. Goldsmith, B. S. Fraenkel, “Classification of new multiplets in the extreme ultraviolet spectra of nickel, copper, and zinc,” Astrophys. J. 161, 317 (1970).
[CrossRef]

Hatter, A. T.

B. C. Fawcett, A. T. Hatter, “Spectra of the 3s23pn–3s 3pn+1 transition arrays emitted from nickel and cobalt ions,” Astron. Astrophys. 84, 78 (1980).

Hayes, R. W.

B. C. Fawcett, R. W. Hayes, “The classification of Ni xi to xvii and Co x to xvii emission lines from 3s23pn–3s 3pn+1 and 3pn–3pn−13d transitions and the identification of nickel solar lines,” J. Phys. B 5, 366 (1972).
[CrossRef]

Hinnov, E.

E. Hinnov, B. Denne, “Empirical evaluation of three-electron quantum-electrodynamics effects from lithiumlike resonance lines of elements Z= 2242 in the Tokamak Fusion Test Reactor and Joint European Torus tokamaks,” Phys. Rev. A 40, 4357 (1989).
[CrossRef] [PubMed]

Kaufman, V.

Lawson, K. D.

K. D. Lawson, N. J. Peacock, “The analysis of the n= 2–2 transitions in the XUV spectra of Cr to Ni,” J. Phys. B 13, 3313 (1980).
[CrossRef]

Litzén, U.

Peacock, N. J.

N. J. Peacock, M. F. Stamp, J. D. Silver, “Highly ionized atoms in fusion research plasmas,” Phys. Scr. T8, 10 (1984).
[CrossRef]

K. D. Lawson, N. J. Peacock, “The analysis of the n= 2–2 transitions in the XUV spectra of Cr to Ni,” J. Phys. B 13, 3313 (1980).
[CrossRef]

Ramonas, A. A.

A. A. Ramonas, A. N. Ryabtsev, “Spectra of Mn vii–Cu xi ions of the K i isoelectronic series,” Opt. Spectrosc. (USSR) 48, 348 (1980).

Reader, J.

Redfors, A.

Rowan, W. L.

Ryabtsev, A. N.

A. A. Ramonas, A. N. Ryabtsev, “Spectra of Mn vii–Cu xi ions of the K i isoelectronic series,” Opt. Spectrosc. (USSR) 48, 348 (1980).

Seely, J. F.

Silver, J. D.

N. J. Peacock, M. F. Stamp, J. D. Silver, “Highly ionized atoms in fusion research plasmas,” Phys. Scr. T8, 10 (1984).
[CrossRef]

Stamp, M. F.

N. J. Peacock, M. F. Stamp, J. D. Silver, “Highly ionized atoms in fusion research plasmas,” Phys. Scr. T8, 10 (1984).
[CrossRef]

Sugar, J.

Astron. Astrophys.

B. C. Fawcett, A. T. Hatter, “Spectra of the 3s23pn–3s 3pn+1 transition arrays emitted from nickel and cobalt ions,” Astron. Astrophys. 84, 78 (1980).

Astrophys. J.

S. Goldsmith, B. S. Fraenkel, “Classification of new multiplets in the extreme ultraviolet spectra of nickel, copper, and zinc,” Astrophys. J. 161, 317 (1970).
[CrossRef]

W. E. Behring, L. Cohen, U. Feldman, G. Doschek, “The solar spectrum: wavelengths and identifications from 160 to 770 angstroms,” Astrophys. J. 203, 521 (1976).
[CrossRef]

G. A. Doschek, U. Feldman, R. D. Cowan, L. Cohen, “Transitions 2s22pk–2s 2pk+1 of the F i, O i, and N i isoelectronic sequences,” Astrophys. J. 188, 417 (1974).
[CrossRef]

W. E. Behring, L. Cohen, U. Feldman, “The solar spectrum: wavelengths and identifications from 60 to 385 angstroms,” Astrophys. J. 175, 493 (1972).
[CrossRef]

J. Opt. Soc. Am. B

J. Phys. B

B. C. Fawcett, R. W. Hayes, “The classification of Ni xi to xvii and Co x to xvii emission lines from 3s23pn–3s 3pn+1 and 3pn–3pn−13d transitions and the identification of nickel solar lines,” J. Phys. B 5, 366 (1972).
[CrossRef]

K. D. Lawson, N. J. Peacock, “The analysis of the n= 2–2 transitions in the XUV spectra of Cr to Ni,” J. Phys. B 13, 3313 (1980).
[CrossRef]

Opt. Spectrosc. (USSR)

A. A. Ramonas, A. N. Ryabtsev, “Spectra of Mn vii–Cu xi ions of the K i isoelectronic series,” Opt. Spectrosc. (USSR) 48, 348 (1980).

Phys. Rev. A

E. Hinnov, B. Denne, “Empirical evaluation of three-electron quantum-electrodynamics effects from lithiumlike resonance lines of elements Z= 2242 in the Tokamak Fusion Test Reactor and Joint European Torus tokamaks,” Phys. Rev. A 40, 4357 (1989).
[CrossRef] [PubMed]

Phys. Scr.

N. J. Peacock, M. F. Stamp, J. D. Silver, “Highly ionized atoms in fusion research plasmas,” Phys. Scr. T8, 10 (1984).
[CrossRef]

B. Edlén, “Comparison of theoretical and experimental level values of the n= 2 complex in ions isoelectronic with Li, Be, O, and FPhys. Scr. 28, 51 (1983).
[CrossRef]

B. Edlén, “Comparison of theoretical and experimental level values in the nitrogen isoelectronic sequence,” Phys. Scr. 30, 135 (1984).
[CrossRef]

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Tables (1)

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Table 1 Wavelengths (Å) of Prominent Lines of Ni x to Ni xxvi

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