Abstract

The 5<i>s</i><sup>2</sup> 5<i>p</i><sup>4</sup>–5<i>s</i>5<i>p</i><sup>5</sup> transitions of Cs IV, Ba v, and La VI were observed with a sliding spark discharge and a 10.7-m normal-incidence spectrograph. The region of observation was 539–1282 Å. The energy parameters derived from least-squares fits to the experimental levels are compared with Hartree–Fock (HF) calculations. The fitted/HF ratios for the 5<i>s</i><sup>2</sup>5<i>p</i><sup>4</sup> configurations of the ions Te I–La VI are compared with the fitted/HF ratios for the 4<i>s</i><sup>2</sup>4<i>p</i><sup>4</sup> configurations of the ions Se I–Mo Ix.

© 1983 Optical Society of America

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  1. J. Reader and G. L. Epstein, "Resonance lines of Cs II, Ba III, and La IV," J. Opt. Soc. Am. 65, 638–641 (1975).
  2. G. L. Epstein and J. Reader, "Spectrum and energy levels of triply ionized lanthanum (La IV)," J. Opt. Soc. Am. 64, 511–520 (1979).
  3. G. L. Epstein and J. Reader, "Resonance lines and energy levels of Cs III, Ba IV, and La v," J. Opt. Soc. Am. 66, 590–598 (1976).
  4. J. Reader, G. L. Epstein, and J. O. Ekberg, "Spectra of Rb II, Sr III, Y IV, Zr v, Nb VI, and Mo VII in the vacuum ultraviolet," J. Opt. Soc. Am. 62, 273–284 (1972).
  5. C. B. Ross, "Wavelengths and energy levels of singly ionized copper, Cu II," Los Alamos Scientific Laboratory Rep. No. 4498 (National Technical Information Service, Springfield, Va. 22161).
  6. R. L. Kelly and L. J. Palumbo, Atomic and Emission Lines Below 2000 Angstroms—Hydrogen through Krypton, Naval Research Laboratory Rep. 7599 (U.S. Government Printing Office, Washington, D.C., 1973).
  7. C. Froese, "Numerical solution of the Hartree-Fock equations," Can. J. Phys. 41, 1895–1910 (1963).
  8. P. F. Gruzdev, "Oscillator strengths of the resonance lines of Se I, Br II, Kr III, Rb IV, and Te I, I II, Xe III, Cs IV," Opt. Spectrosc. 27, 479–481 (1969).
  9. J. E. Hansen and W. Persson, "Revised analysis of the 5p4 ground configuration of two-times ionized Xe (Xe III) and reevaluation of transition probabilities for forbidden lines within this configuration," Phys. Scr. 25, 487–490 (1982).
  10. C. Morillon and J. Vérges, "Observation et classification du spectre d'arc du tellure (Te I) entre 3678 et 11761 cm−1," Phys. Scr. 12, 129–144 (1975).
  11. W. C. Martin and C. H. Corliss, "The spectrum of singly ionized atomic iodine (I II)," J. Res. Nat. Bur. Std. (U.S.) 64A, 443–479 (1960).
  12. C. E. Moore, Atomic Energy Levels, Vol. III, Natl. Bur. Std. (U.S.) Circ. 467 (U.S. Government Printing Office, Washington, D.C., 1958).
  13. M. Gallardo, C. A. Massone, A. A. Tagliaferri, M. Garavaglia, and W. Persson, "5s25p3 (4s)nl levels of Xe III," Phys. Scr. 19, 538–544 (1979).
  14. Optimization of the level values was done with the computer program ELCALC written by L. J. Radziemski, Jr., Los Alamos National Laboratory, Los Alamos, N.M. 87544.
  15. J. Reader and N. Acquista, "4s24p4–4s4p5 transitions in Zr VII, Nb VIII, and Mo Ix," J. Opt. Soc. Am. 66, 896–899 (1976).
  16. J. C. Boyce, unpublished wavelength material (communicated by C. J. Humphreys, 6979 Palm Court, Riverside, Calif. 92506, 1981).

1982 (1)

J. E. Hansen and W. Persson, "Revised analysis of the 5p4 ground configuration of two-times ionized Xe (Xe III) and reevaluation of transition probabilities for forbidden lines within this configuration," Phys. Scr. 25, 487–490 (1982).

1979 (2)

G. L. Epstein and J. Reader, "Spectrum and energy levels of triply ionized lanthanum (La IV)," J. Opt. Soc. Am. 64, 511–520 (1979).

M. Gallardo, C. A. Massone, A. A. Tagliaferri, M. Garavaglia, and W. Persson, "5s25p3 (4s)nl levels of Xe III," Phys. Scr. 19, 538–544 (1979).

1976 (2)

1975 (2)

C. Morillon and J. Vérges, "Observation et classification du spectre d'arc du tellure (Te I) entre 3678 et 11761 cm−1," Phys. Scr. 12, 129–144 (1975).

J. Reader and G. L. Epstein, "Resonance lines of Cs II, Ba III, and La IV," J. Opt. Soc. Am. 65, 638–641 (1975).

1972 (1)

1969 (1)

P. F. Gruzdev, "Oscillator strengths of the resonance lines of Se I, Br II, Kr III, Rb IV, and Te I, I II, Xe III, Cs IV," Opt. Spectrosc. 27, 479–481 (1969).

1963 (1)

C. Froese, "Numerical solution of the Hartree-Fock equations," Can. J. Phys. 41, 1895–1910 (1963).

1960 (1)

W. C. Martin and C. H. Corliss, "The spectrum of singly ionized atomic iodine (I II)," J. Res. Nat. Bur. Std. (U.S.) 64A, 443–479 (1960).

Acquista, N.

Boyce, J. C.

J. C. Boyce, unpublished wavelength material (communicated by C. J. Humphreys, 6979 Palm Court, Riverside, Calif. 92506, 1981).

Corliss, C. H.

W. C. Martin and C. H. Corliss, "The spectrum of singly ionized atomic iodine (I II)," J. Res. Nat. Bur. Std. (U.S.) 64A, 443–479 (1960).

Ekberg, J. O.

Epstein, G. L.

Froese, C.

C. Froese, "Numerical solution of the Hartree-Fock equations," Can. J. Phys. 41, 1895–1910 (1963).

Gallardo, M.

M. Gallardo, C. A. Massone, A. A. Tagliaferri, M. Garavaglia, and W. Persson, "5s25p3 (4s)nl levels of Xe III," Phys. Scr. 19, 538–544 (1979).

Garavaglia, M.

M. Gallardo, C. A. Massone, A. A. Tagliaferri, M. Garavaglia, and W. Persson, "5s25p3 (4s)nl levels of Xe III," Phys. Scr. 19, 538–544 (1979).

Gruzdev, P. F.

P. F. Gruzdev, "Oscillator strengths of the resonance lines of Se I, Br II, Kr III, Rb IV, and Te I, I II, Xe III, Cs IV," Opt. Spectrosc. 27, 479–481 (1969).

Hansen, J. E.

J. E. Hansen and W. Persson, "Revised analysis of the 5p4 ground configuration of two-times ionized Xe (Xe III) and reevaluation of transition probabilities for forbidden lines within this configuration," Phys. Scr. 25, 487–490 (1982).

Kelly, R. L.

R. L. Kelly and L. J. Palumbo, Atomic and Emission Lines Below 2000 Angstroms—Hydrogen through Krypton, Naval Research Laboratory Rep. 7599 (U.S. Government Printing Office, Washington, D.C., 1973).

Martin, W. C.

W. C. Martin and C. H. Corliss, "The spectrum of singly ionized atomic iodine (I II)," J. Res. Nat. Bur. Std. (U.S.) 64A, 443–479 (1960).

Massone, C. A.

M. Gallardo, C. A. Massone, A. A. Tagliaferri, M. Garavaglia, and W. Persson, "5s25p3 (4s)nl levels of Xe III," Phys. Scr. 19, 538–544 (1979).

Moore, C. E.

C. E. Moore, Atomic Energy Levels, Vol. III, Natl. Bur. Std. (U.S.) Circ. 467 (U.S. Government Printing Office, Washington, D.C., 1958).

Morillon, C.

C. Morillon and J. Vérges, "Observation et classification du spectre d'arc du tellure (Te I) entre 3678 et 11761 cm−1," Phys. Scr. 12, 129–144 (1975).

Palumbo, L. J.

R. L. Kelly and L. J. Palumbo, Atomic and Emission Lines Below 2000 Angstroms—Hydrogen through Krypton, Naval Research Laboratory Rep. 7599 (U.S. Government Printing Office, Washington, D.C., 1973).

Persson, W.

J. E. Hansen and W. Persson, "Revised analysis of the 5p4 ground configuration of two-times ionized Xe (Xe III) and reevaluation of transition probabilities for forbidden lines within this configuration," Phys. Scr. 25, 487–490 (1982).

M. Gallardo, C. A. Massone, A. A. Tagliaferri, M. Garavaglia, and W. Persson, "5s25p3 (4s)nl levels of Xe III," Phys. Scr. 19, 538–544 (1979).

Reader, J.

Ross, C. B.

C. B. Ross, "Wavelengths and energy levels of singly ionized copper, Cu II," Los Alamos Scientific Laboratory Rep. No. 4498 (National Technical Information Service, Springfield, Va. 22161).

Tagliaferri, A. A.

M. Gallardo, C. A. Massone, A. A. Tagliaferri, M. Garavaglia, and W. Persson, "5s25p3 (4s)nl levels of Xe III," Phys. Scr. 19, 538–544 (1979).

Vérges, J.

C. Morillon and J. Vérges, "Observation et classification du spectre d'arc du tellure (Te I) entre 3678 et 11761 cm−1," Phys. Scr. 12, 129–144 (1975).

Can. J. Phys. (1)

C. Froese, "Numerical solution of the Hartree-Fock equations," Can. J. Phys. 41, 1895–1910 (1963).

J. Opt. Soc. Am. (5)

J. Res. Nat. Bur. Std. (U.S.) (1)

W. C. Martin and C. H. Corliss, "The spectrum of singly ionized atomic iodine (I II)," J. Res. Nat. Bur. Std. (U.S.) 64A, 443–479 (1960).

Opt. Spectrosc. (1)

P. F. Gruzdev, "Oscillator strengths of the resonance lines of Se I, Br II, Kr III, Rb IV, and Te I, I II, Xe III, Cs IV," Opt. Spectrosc. 27, 479–481 (1969).

Phys. Scr. (3)

J. E. Hansen and W. Persson, "Revised analysis of the 5p4 ground configuration of two-times ionized Xe (Xe III) and reevaluation of transition probabilities for forbidden lines within this configuration," Phys. Scr. 25, 487–490 (1982).

C. Morillon and J. Vérges, "Observation et classification du spectre d'arc du tellure (Te I) entre 3678 et 11761 cm−1," Phys. Scr. 12, 129–144 (1975).

M. Gallardo, C. A. Massone, A. A. Tagliaferri, M. Garavaglia, and W. Persson, "5s25p3 (4s)nl levels of Xe III," Phys. Scr. 19, 538–544 (1979).

Other (5)

Optimization of the level values was done with the computer program ELCALC written by L. J. Radziemski, Jr., Los Alamos National Laboratory, Los Alamos, N.M. 87544.

C. E. Moore, Atomic Energy Levels, Vol. III, Natl. Bur. Std. (U.S.) Circ. 467 (U.S. Government Printing Office, Washington, D.C., 1958).

J. C. Boyce, unpublished wavelength material (communicated by C. J. Humphreys, 6979 Palm Court, Riverside, Calif. 92506, 1981).

C. B. Ross, "Wavelengths and energy levels of singly ionized copper, Cu II," Los Alamos Scientific Laboratory Rep. No. 4498 (National Technical Information Service, Springfield, Va. 22161).

R. L. Kelly and L. J. Palumbo, Atomic and Emission Lines Below 2000 Angstroms—Hydrogen through Krypton, Naval Research Laboratory Rep. 7599 (U.S. Government Printing Office, Washington, D.C., 1973).

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