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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 68, Iss. 8 — Aug. 1, 1978
  • pp: 1084–1087

Lifetime, branching ratio, and absolute transition probability of the 6395.42 Å transition of 238U I

L. A. Hackel and M. C. Rushford  »View Author Affiliations

JOSA, Vol. 68, Issue 8, pp. 1084-1087 (1978)

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We have refined and extended an existing technique for determining an atomic transition probability by carefully measuring the transition branching ratio (BR) and excited-state lifetime (τ), with particular attention paid to systematic errors. The technique was applied to the red region of the 238U I spectrum where little accurate data is presently available. In particular, we find for the 6395.42 Å transition the following values: τ = 607 ± 20 ns, BR = 0.586 ± 0.05, and g 2A = 1.45 × 107 ± 1.25 × 106.

© 1978 Optical Society of America

L. A. Hackel and M. C. Rushford, "Lifetime, branching ratio, and absolute transition probability of the 6395.42 Å transition of 238U I," J. Opt. Soc. Am. 68, 1084-1087 (1978)

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  1. See, for example, C. H. Corliss and W. R. Bozman, "Experimental Transition Probabilities for Spectral Lines of Seventy Elements," NBS Mono No. 53 (1962), p. 464. J. Blaise and L. J. Radziemski, J. Opt. Soc. Am. 66, 644 (1976). Paul A. Voigt, Phys. Rev. A 11, 1845 (1975). G. S. Janes, I. Itzkan, C. T. Pike, R. H. Levy, and L. Levin, IEEE J. Quant. Electron. QE- 11, 101D–103D (1975). L. R. Carlson, J. A. Paisner, E. F. Worden, S. A. Johnson, C. A. May, and R. W. Solarz, J. Opt. Soc. Am. 66, 846 (1976). D. J. H. Wort and C. G. Brown, Opt. Commun. 21, 205 (1977).
  2. L. R. Carlson, S. A. Johnson, E. F. Worden, C. A. May, R. W. Solarz, and J. A. Paisner, Opt. Commun. 21, 116 (1977).
  3. Charles H. Corliss, J. Res. Natl. Bur. Stand. (U.S.) A 80, 1 (1976).
  4. J. Z. Klose and P. A. Voigt, Phys. Rev. A 16, 2032 (1977).
  5. T. Bieniewski and R. Engleman (private communication).

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