Half-Lives of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">Mn</mi></mrow><mrow><mn>52</mn></mrow></msup></mrow></math></span> and <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">Mn</mi></mrow><mrow><mn>54</mn></mrow></msup></mrow></math></span>

E. W. Backofen; R. H. Herber

doi:10.1103/PhysRev.97.743

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Half-Lives of ${Mn}^{52}$ and ${Mn}^{54}$

E. W. Backofen and R. H. Herber

Department of Chemistry and Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, Massachusetts

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Phys. Rev. 97, 743 – Published 1 February, 1955

DOI: https://doi.org/10.1103/PhysRev.97.743

Abstract

Manganese activities produced by deuteron bombardment of chromium powder and radiochemically purified both by standard chemical techniques and ion-exchange chromatography, have been counted for a period of 2500 hr. The half-life of ${Mn}^{54}$ is determined to be 291±1 days, while that of ${Mn}^{52}$ is found to be 5.72±0.02 days.

References (13)

J. T. Byrne, J. Chem. Phys. 19, 504 (1951)
Miller, Thompson, and Cunningham, Phys. Rev. 74, 347 (1948)
T. H. Handley, Oak Ridge National Laboratory ORNL-867 (unpublished)
Haymond, Garrison, and Hamilton, J. Chem. Phys. 19, 382 (1951)
G. T. Seaborg and J. J. Livingood, Phys. Rev. 54, 391 (1938)
Burgus, Cowan, Hadley, Hess, Shull, Stevenson, and York, Phys. Rev. 95, 750 (1954)
BurgusCowanHadleyHessShullStevensonYorkTable of Nuclear Data, National Bureau of Standards Circular No. 499 (U. S. Government Printing Office, Washington, D. C., 1950)
Omitted endnote
M. Deutsch and L. G. Elliott, Phys. Rev. 65, 211 (1944)
E. W. Backofen (private communication)
Good, Peaslee, and Deutsch, Phys. Rev. 69, 313 (1946)
W. K. Sinclair and A. F. Holloway, Nature 167, 365 (1951) G. L. Brownell and C. J. Maletskos, Phys. Rev. 80, 1102 (1950)
P. Kafalas, Ph.D. Thesis in Chemistry, Massachusetts Institute of Technology, August 1954 (unpublished)

[c1] J. T. Byrne, J. Chem. Phys. 19, 504 (1951)

[c2] Miller, Thompson, and Cunningham, Phys. Rev. 74, 347 (1948)

[c3] T. H. Handley, Oak Ridge National Laboratory ORNL-867 (unpublished)

[c4] Haymond, Garrison, and Hamilton, J. Chem. Phys. 19, 382 (1951)

[c5] G. T. Seaborg and J. J. Livingood, Phys. Rev. 54, 391 (1938)

[c6] Burgus, Cowan, Hadley, Hess, Shull, Stevenson, and York, Phys. Rev. 95, 750 (1954)

[c7] BurgusCowanHadleyHessShullStevensonYorkTable of Nuclear Data, National Bureau of Standards Circular No. 499 (U. S. Government Printing Office, Washington, D. C., 1950)

[c8] Omitted endnote

[c9] M. Deutsch and L. G. Elliott, Phys. Rev. 65, 211 (1944)

[c10] E. W. Backofen (private communication)

[c11] Good, Peaslee, and Deutsch, Phys. Rev. 69, 313 (1946)

[c12] W. K. Sinclair and A. F. Holloway, Nature 167, 365 (1951) G. L. Brownell and C. J. Maletskos, Phys. Rev. 80, 1102 (1950)

[c13] P. Kafalas, Ph.D. Thesis in Chemistry, Massachusetts Institute of Technology, August 1954 (unpublished)

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Half-Lives of ${Mn}^{52}$ and ${Mn}^{54}$

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Half-Lives of Mn52 and Mn54

Abstract

References (13)

Half-Lives of ${Mn}^{52}$ and ${Mn}^{54}$