Abstract

Isotope shifts are here reported for all stable isotopes of hafnium. The ratios found are: Δσ(180-178): Δσ(178-176):Δσ(176-174) = 100:82.6±3.5:87.6±3.7 and Δσ(180-178):Δσ(l80-179):Δσ(l78-177) = 100:61±9:73±8. The variation of the shifts with neutron number and the even-odd staggering are well beyond experimental error, and are therefore real. Magnitudes of the shifts observed in the spectral lines ranged from 29 to 46 mK. Centroids of the hyperfine-structure patterns due to the odd isotopes were located by using known ratios of the nuclear moments or of the hyperfine-structure parameters. The difference in the electric quadrupole moments between isotopes are discussed from the point of view of isotope-shift anomalies.

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  1. G. M. Temmer and N. P. Heydenburg, Phys. Rev. 99, 1615 (1955).
  2. D. R. Speck, Ph.D. thesis, University of California, Berkeley, California (1956).
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  5. E. Finckh and A. Steudel, Z. Physik 141, 19 (1955).
  6. Reference 4, p. 16.
  7. W. Humbach, Z. Physik 133, 589 (1952).
  8. Wilets, Hill, and Ford, Phys. Rev. 91, 1488 (1953).
  9. J. A. Collinson, Phys. Rev. 96, 949 (1954).
  10. McClelland, Mark, and Goodman, Phys. Rev. 97, 1191 (1955).

Collinson, J. A.

J. A. Collinson, Phys. Rev. 96, 949 (1954).

Finckh, E.

E. Finckh and A. Steudel, Z. Physik 141, 19 (1955).

Heydenburg, N. P.

G. M. Temmer and N. P. Heydenburg, Phys. Rev. 99, 1615 (1955).

Humbach, W.

W. Humbach, Z. Physik 133, 589 (1952).

Kopfermann, H.

H. Kopfermann, Kernmomente (Akademische Verlagsgesellschaft, Frankfurt-am-Main, 1956), p. 153.

Meggers, W. F.

W. F. Meggers and B. F. Scribner, J. Research Natl. Bur. Standards 4, 169 (1930); W. F. Meggers (private communication).

Scribner, B. F.

W. F. Meggers and B. F. Scribner, J. Research Natl. Bur. Standards 4, 169 (1930); W. F. Meggers (private communication).

Speck, D. R.

D. R. Speck, Ph.D. thesis, University of California, Berkeley, California (1956).

Steudel, A.

E. Finckh and A. Steudel, Z. Physik 141, 19 (1955).

Temmer, G. M.

G. M. Temmer and N. P. Heydenburg, Phys. Rev. 99, 1615 (1955).

Other (10)

G. M. Temmer and N. P. Heydenburg, Phys. Rev. 99, 1615 (1955).

D. R. Speck, Ph.D. thesis, University of California, Berkeley, California (1956).

W. F. Meggers and B. F. Scribner, J. Research Natl. Bur. Standards 4, 169 (1930); W. F. Meggers (private communication).

H. Kopfermann, Kernmomente (Akademische Verlagsgesellschaft, Frankfurt-am-Main, 1956), p. 153.

E. Finckh and A. Steudel, Z. Physik 141, 19 (1955).

Reference 4, p. 16.

W. Humbach, Z. Physik 133, 589 (1952).

Wilets, Hill, and Ford, Phys. Rev. 91, 1488 (1953).

J. A. Collinson, Phys. Rev. 96, 949 (1954).

McClelland, Mark, and Goodman, Phys. Rev. 97, 1191 (1955).

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