The Half-Life of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">Co</mi></mrow><mrow><mn>60</mn></mrow></msup></mrow></math></span>

A new determination of the half-life of ${Co}^{60}$ yields the value 5.21±0.04 years.

DOI:https://doi.org/10.1103/PhysRev.91.332

Radiology Laboratory, Division of Physics, National Research Council, Ottawa, Canada

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