The radioactive <a href="https://en.wikipedia.org/wiki/Decay_scheme" class="extiw" title="w:Decay scheme">Decay scheme</a> of <a href="https://en.wikipedia.org/wiki/Cobalt" class="extiw" title="w:Cobalt">Cobalt</a> 60. The cobalt decays to nickel via beta-minus decay then two more stable nickel nuclei via two further gamma emissions.
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