Long-Lived Tellurium Isomers

R. D. Hill

doi:10.1103/PhysRev.76.333

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Long-Lived Tellurium Isomers

R. D. Hill^*

Department of Physics, University of Illinois, Urbana, Illinois

^*This work was assisted by the joint program of the ONR and the AEC.

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Phys. Rev. 76, 333 – Published 1 August, 1949

DOI: https://doi.org/10.1103/PhysRev.76.333

Abstract

The internal conversion electron spectra of neutron-activated enriched tellurium isotopes have been studied. It has been shown that each odd mass-number isotope from 121 to 131 exists in a long-lived isomeric state. In all cases the initial isomeric transition is $2^{4}$ -pole magnetic, which appears to identify the long-lived isomeric states with a spin of 11/2. The spins of the ground states of ${Te}^{127}$ , ${Te}^{129}$ , ${Te}^{131}$ would appear to be 3/2, and that of ${Te}^{123}$ 1/2. Information about ${Te}^{121}$ and ${Te}^{125}$ ground states is incomplete.

References (12)

R. D. Hill and J. W. Mihelich, Phys. Rev. 74, 1874 (1948)
G. T. Seaborg and I. Perlman, Rev. Mod. Phys. 20, 616 (1948)
Friedlander, Goldhaber, and Scharff-Goldhaber, Phys. Rev. 74, 981 (1948) Hill, Scharff-Goldhaber, and Friedlander, 75, 324 (1949)
A. C. Helmholtz, Phys. Rev. 60, 415 (1941)
Lind, Brown, Klein, Muller, and DuMond, Phys. Rev. 75, 1633A (1949.)
Seren, Friedlander, and Turkel, Phys. Rev. 72, 888 (1947)
S. D. Drell, Phys. Rev. 75, 132 (1949)
P. T. Bittencourt and M. Goldhaber, Phys. Rev. 70, 780 (1946)
M. H. Hebb and E. Nelson, Phys. Rev. 58, 486 (1940)
M. E. Rose and others, "Tables of K-shell Internal Conversion Coefficients."
E. Feenberg and K. C. Hammack, Phys. Rev. 75, 1877 (1949) L. Nordheim, 75, 1894 (1949)
M. G. Mayer, Phys. Rev. 75, 1969 (1949)

[c1] R. D. Hill and J. W. Mihelich, Phys. Rev. 74, 1874 (1948)

[c2] G. T. Seaborg and I. Perlman, Rev. Mod. Phys. 20, 616 (1948)

[c3] Friedlander, Goldhaber, and Scharff-Goldhaber, Phys. Rev. 74, 981 (1948) Hill, Scharff-Goldhaber, and Friedlander, 75, 324 (1949)

[c4] A. C. Helmholtz, Phys. Rev. 60, 415 (1941)

[c5] Lind, Brown, Klein, Muller, and DuMond, Phys. Rev. 75, 1633A (1949.)

[c6] Seren, Friedlander, and Turkel, Phys. Rev. 72, 888 (1947)

[c7] S. D. Drell, Phys. Rev. 75, 132 (1949)

[c8] P. T. Bittencourt and M. Goldhaber, Phys. Rev. 70, 780 (1946)

[c9] M. H. Hebb and E. Nelson, Phys. Rev. 58, 486 (1940)

[c10] M. E. Rose and others, "Tables of K-shell Internal Conversion Coefficients."

[c11] E. Feenberg and K. C. Hammack, Phys. Rev. 75, 1877 (1949) L. Nordheim, 75, 1894 (1949)

[c12] M. G. Mayer, Phys. Rev. 75, 1969 (1949)

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Long-Lived Tellurium Isomers

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