The Radioactivities of Some High Mass Isotopes of Cobalt

Phys. Rev. 75, 619 – Published 15 February 1949
Thomas J. Parmley, Burton J. Moyer, and Robert C. Lilly

Abstract

By neutron bombardments of samples of Ni enriched in isotopes 61, 62, and 64, respectively, the following radioactivities have been identified: Co61, β- 1.3 Mev, no γ, half-life 1.75 hours, Co62, β- 2.3 Mev, γ 1.3 Mev, half-life 13.9 min.

Evidence is also presented for a 1.6-minute β- and γ-activity associated with Co62, and for a 4- to 5-minute activity possibly of Co64.

DOI: http://dx.doi.org/10.1103/PhysRev.75.619

  • Received 28 October 1948
  • Published in the issue dated February 1949

© 1949 The American Physical Society

Authors & Affiliations

Thomas J. Parmley*, Burton J. Moyer, and Robert C. Lilly

  • Radiation Laboratory, Department of Physics, University of California, Berkeley, California

  • *Department of Physics, University of Utah, Salt Lake City, Utah.

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