Abstract

From collision-induced fluorescence spectroscopy measurements, we have determined the transition probability A of the 5971-Å transition in neutral uranium. Our value, A5971 = (5.9 ± 1.8) × 105 sec−1, is, within experimental error, in good agreement with the previous determination of Corliss, A5971 = (7.3 ± 3.0) × 105 sec−1 [ J. Res. Nat. Bur. Stand. Sect. A 80, 1 ( 1976)].

© 1981 Optical Society of America

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References

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  1. W. F. Meggers, C. H. Corliss, and B. F. Scribner, Tables of Spectral Line Intensities, NBS Monograph 32 (National Bureau of Standards, Washington, D.C., 1961), Part I.
  2. G. R. Harrison, M.I.T. Wavelength Tables (Wiley, New York, 1939).
  3. D. W. Steinhaus and et al., “Present status of the analyses of the first and second spectra of uranium (U i and U ii) as derived from measurements of optical spectra,” L.A.-4501 (Los Alamos Scientific Laboratory, Los Alamos, N.M., 1971).
  4. B. A. Palmer, R. A. Keller, and R. Engleman, “An atlas of uranium emission intensities in a hollow cathode discharge,” L.A.-8251-MS (Los Alamos Scientific Laboratory, Los Alamos, N.M., 1980).
  5. J. M. Gagné and et al., “Generateur de vapeur d’uranium: la lampe à cathode creuse pulsée,” Appl. Opt. 18, 2107–2112 (1979).
    [Crossref]
  6. J. M. Gagné and et al., “Etude par absorption d’un faisceau laser d’une vapeur d’ ²³⁸U (⁵L6∘) obtenue à l’aide d’une lamp à cathode creuse,” Appl. Opt. 18, 1084–1087 (1979).
    [Crossref]
  7. T. M. Bieniewski, “Absolute oscillator strengths for neutral atomic uranium,” J. Opt. Soc. Am. 68, 1173–1181 (1978).
    [Crossref]
  8. C. H. Corliss, “Line strengths and lifeteimes of levels in neutral uranium,” J. Res. Nat. Bur. Stand. Sect. A 80, 1–7 (1976).
    [Crossref]
  9. E. Miron and et al., “Laser spectroscopy of U i using stepwise excitation and fluorescence detection,” J. Opt. Soc. Am. 69, 256–264 (1979).
    [Crossref]

1979 (3)

1978 (1)

1976 (1)

C. H. Corliss, “Line strengths and lifeteimes of levels in neutral uranium,” J. Res. Nat. Bur. Stand. Sect. A 80, 1–7 (1976).
[Crossref]

Bieniewski, T. M.

Corliss, C. H.

C. H. Corliss, “Line strengths and lifeteimes of levels in neutral uranium,” J. Res. Nat. Bur. Stand. Sect. A 80, 1–7 (1976).
[Crossref]

W. F. Meggers, C. H. Corliss, and B. F. Scribner, Tables of Spectral Line Intensities, NBS Monograph 32 (National Bureau of Standards, Washington, D.C., 1961), Part I.

Engleman, R.

B. A. Palmer, R. A. Keller, and R. Engleman, “An atlas of uranium emission intensities in a hollow cathode discharge,” L.A.-8251-MS (Los Alamos Scientific Laboratory, Los Alamos, N.M., 1980).

Gagné, J. M.

Harrison, G. R.

G. R. Harrison, M.I.T. Wavelength Tables (Wiley, New York, 1939).

Keller, R. A.

B. A. Palmer, R. A. Keller, and R. Engleman, “An atlas of uranium emission intensities in a hollow cathode discharge,” L.A.-8251-MS (Los Alamos Scientific Laboratory, Los Alamos, N.M., 1980).

Meggers, W. F.

W. F. Meggers, C. H. Corliss, and B. F. Scribner, Tables of Spectral Line Intensities, NBS Monograph 32 (National Bureau of Standards, Washington, D.C., 1961), Part I.

Miron, E.

Palmer, B. A.

B. A. Palmer, R. A. Keller, and R. Engleman, “An atlas of uranium emission intensities in a hollow cathode discharge,” L.A.-8251-MS (Los Alamos Scientific Laboratory, Los Alamos, N.M., 1980).

Scribner, B. F.

W. F. Meggers, C. H. Corliss, and B. F. Scribner, Tables of Spectral Line Intensities, NBS Monograph 32 (National Bureau of Standards, Washington, D.C., 1961), Part I.

Steinhaus, D. W.

D. W. Steinhaus and et al., “Present status of the analyses of the first and second spectra of uranium (U i and U ii) as derived from measurements of optical spectra,” L.A.-4501 (Los Alamos Scientific Laboratory, Los Alamos, N.M., 1971).

Appl. Opt. (2)

J. Opt. Soc. Am. (2)

J. Res. Nat. Bur. Stand. Sect. A (1)

C. H. Corliss, “Line strengths and lifeteimes of levels in neutral uranium,” J. Res. Nat. Bur. Stand. Sect. A 80, 1–7 (1976).
[Crossref]

Other (4)

W. F. Meggers, C. H. Corliss, and B. F. Scribner, Tables of Spectral Line Intensities, NBS Monograph 32 (National Bureau of Standards, Washington, D.C., 1961), Part I.

G. R. Harrison, M.I.T. Wavelength Tables (Wiley, New York, 1939).

D. W. Steinhaus and et al., “Present status of the analyses of the first and second spectra of uranium (U i and U ii) as derived from measurements of optical spectra,” L.A.-4501 (Los Alamos Scientific Laboratory, Los Alamos, N.M., 1971).

B. A. Palmer, R. A. Keller, and R. Engleman, “An atlas of uranium emission intensities in a hollow cathode discharge,” L.A.-8251-MS (Los Alamos Scientific Laboratory, Los Alamos, N.M., 1980).

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Figures (2)

Fig. 1
Fig. 1

Experimental steup (see text for details).

Fig. 2
Fig. 2

Excitation and de-excitation of the atomic levels. Downward continuous arrows indicate radiative decay; upward continuous arrow indicates laser excited level; upward broken arrow indicates excitation by collision processes. (Energy levels not to scale).