Metastable States of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">Ge</mi></mrow><mrow><mn>73</mn></mrow></msup></mrow></math></span>

Joan P. Welker; A. W. Schardt; G. Friedlander; J. J. Howland, Jr

doi:10.1103/PhysRev.92.401

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Metastable States of ${Ge}^{73}$

Joan P. Welker, A. W. Schardt, G. Friedlander, and J. J. Howland, Jr.^*

Brookhaven National Laboratory, Upton, New York

^*Now at the Radiation Laboratory, University of California, Berkeley, California.

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Phys. Rev. 92, 401 – Published 15 October, 1953

DOI: https://doi.org/10.1103/PhysRev.92.401

Abstract

The decay of ${As}^{73}$ to ${Ge}^{73}$ has been investigated with scintillation counters. The $K$ capture is followed by a 53.9-kev gamma ray which in turn is followed by a 13.5-kev transition to the ground state. The total conversion coefficient of the 53.9-kev gamma is 4.7 and the lifetime is between 900 microseconds and 10 seconds. The half-life of the 13.5-kev transition is 4.6 microseconds. The available evidence points to the 53.9-kev transition being $M 2$ and the 13.5-kev transition $E 2$ with a possible small admixture of $M 1$ . Spin and parity assignments are discussed.

References (22)

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Omitted endnote
W. A. Higinbotham, Rev. Sci. Instr. 22, 429 (1951)
R. L. Chase and W. A. Higinbotham, Rev. Sci. Instr. 23, 34 (1952)
Bernstein, Chase, and Schardt, Rev. Sci. Instr. 24, 437 (1953)
Omitted endnote
Broyles, Thomas, and Haynes, Phys. Rev. 89, 715 (1953)
M. E. Rose and J. L. Jackson, Phys. Rev. 76, 1540 (1949)
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Omitted endnote
Omitted endnote
Omitted endnote
E. C. Campbell (private communication)
Way, Fano, Scott, and Thew, Nuclear Data, National Bureau of Standards Circular 499 and Supplements (U. S. Government Printing Office, Washington, D. C., 1950)
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[c1] S. Johansson, Arkiv. Fysik 4, 273 (1952)

[c2] M. Goldhaber and A. W. Sunyar, Phys. Rev. 83, 906 (1951)

[c3] Omitted endnote

[c4] W. A. Higinbotham, Rev. Sci. Instr. 22, 429 (1951)

[c5] R. L. Chase and W. A. Higinbotham, Rev. Sci. Instr. 23, 34 (1952)

[c6] Bernstein, Chase, and Schardt, Rev. Sci. Instr. 24, 437 (1953)

[c7] Omitted endnote

[c8] Broyles, Thomas, and Haynes, Phys. Rev. 89, 715 (1953)

[c9] M. E. Rose and J. L. Jackson, Phys. Rev. 76, 1540 (1949)

[c10] C. C. Trail and C. H. Johnson, Phys. Rev. 91, 474 (1953)

[c11] Schardt, Bernstein, and Chase, Phys. Rev. 90, 353 (1953)

[c12] Mueller, Best, Jackson, and Singletary, Nucleonics 10, No. 6, 53 (1952)

[c13] Omitted endnote

[c14] Omitted endnote

[c15] Omitted endnote

[c16] E. C. Campbell (private communication)

[c17] Way, Fano, Scott, and Thew, Nuclear Data, National Bureau of Standards Circular 499 and Supplements (U. S. Government Printing Office, Washington, D. C., 1950)

[c18] J. M. Blatt and V. F. Weisskopf, Theoretical Nuclear Physics (John Wiley and Sons, Inc., New York, 1952)

[c19] Rose, Goertzel, Spinrad, Harr, and Strong, Phys. Rev. 83, 79 (1951)

[c20] B. I. Spinrad and L. B. Keller, Phys. Rev. 84, 1056 (1951)

[c21] Graham, Wolfson, and Bell, Can. J. Phys. 30, 459 (1952)

[c22] A. De-Shalit and M. Goldhaber (private communication)

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Metastable States of Ge73

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References (22)

Metastable States of ${Ge}^{73}$