The 4s2 1S0–4s4p1P1 transitions of 20 zinclike ions from Ru14+ to Dy36+ were observed in a laser-produced plasma with a 10.7-m grazing-incidence spectrograph. Also, new observations were made of the 3d–4f transitions of Fe15+. Based on the new wavelengths obtained for these Fe transitions and improved wavelengths recently publshed for other Fe ions, revised values were determined for the 4s2 1S0–4s4p1P1 transitions in ten zinclike ions from Ba26+ to W44+ observed by Reader and Luther [
Phys. Rev. Lett. 45,
609–
613 (
1980)] for which a laser-produced spectrum of Fe was used for wavelength calibration.
Joseph Reader, Victor Kaufman, Jack Sugar, Jan Olof Ekberg, U. Feldman, C. M. Brown, J. F. Seely, and W. L. Rowan J. Opt. Soc. Am. B 4(11) 1821-1828 (1987)
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Uncertainty ±0.010 Å.
New reduction of data in Ref. 3; uncertainty ±0.02 Å.
Uncertainty ±0.02 Å.
I. Johansson and R. Contreras, Ark. Fys. 37, 513 (1968). Wavelength is in vacuum.
C. E. Moore, Atomic Energy Levels, Vol. II, Nat. Bur. Stand. Circ. 467 (U.S. Government Printing Office, Washington, D.C., 1952).
B. C. Fawcett, B. B. Jones, and R. Wilson, Proc. Phys. Soc. (London) 78, 1223 (1961).
J. Reader and N. Acquista, Phys. Rev. Lett. 39, 184 (1977).
E. Hinnov, Phys. Rev. A 14, 1533 (1976).
J. Reader and G. Luther, Phys. Rev. Lett. 45, 609 (1980).
Table 2
New Measurements for the 3d–4f Transitions of Fe15+ (in Å)
Estimated uncertainty ±0.005 Å.
B. Edlén, Z. Phys. 100, 621 (1936).
B. C. Fawcett, R. D. Cowan, E. Y. Kononov, and R. W. Hayes, J. Phys. B. 5, 1255 (1972). According to a personal communication from E. Kononov, the value for the 3d2D3/2–4f2F5/2 transition was misprinted as 66.275 Å in this paper; the measured value was actually 66.245 Å.
W. E. Behring, L. Cohen, and U. Feldman, Astrophys. J. 175, 493 (1972).
Tables (2)
Table 1
Wavelengths for 4s2 1S0–4s4p1P1 Transitions of Zinclike Ions (in Å)
Uncertainty ±0.010 Å.
New reduction of data in Ref. 3; uncertainty ±0.02 Å.
Uncertainty ±0.02 Å.
I. Johansson and R. Contreras, Ark. Fys. 37, 513 (1968). Wavelength is in vacuum.
C. E. Moore, Atomic Energy Levels, Vol. II, Nat. Bur. Stand. Circ. 467 (U.S. Government Printing Office, Washington, D.C., 1952).
B. C. Fawcett, B. B. Jones, and R. Wilson, Proc. Phys. Soc. (London) 78, 1223 (1961).
J. Reader and N. Acquista, Phys. Rev. Lett. 39, 184 (1977).
E. Hinnov, Phys. Rev. A 14, 1533 (1976).
J. Reader and G. Luther, Phys. Rev. Lett. 45, 609 (1980).
Table 2
New Measurements for the 3d–4f Transitions of Fe15+ (in Å)
Estimated uncertainty ±0.005 Å.
B. Edlén, Z. Phys. 100, 621 (1936).
B. C. Fawcett, R. D. Cowan, E. Y. Kononov, and R. W. Hayes, J. Phys. B. 5, 1255 (1972). According to a personal communication from E. Kononov, the value for the 3d2D3/2–4f2F5/2 transition was misprinted as 66.275 Å in this paper; the measured value was actually 66.245 Å.
W. E. Behring, L. Cohen, and U. Feldman, Astrophys. J. 175, 493 (1972).