Activities of gamma-ray emitting isotopes in rainwater from Greater Sudbury, Canada following the Fukushima incident
B.T. Cleveland, F.A. Duncan, I.T. Lawson, N.J.T. Smith, and E. Vázquez-Jáuregui
We detected gamma-ray emitting isotopes in rainwater collected in Sudbury, Canada following the Fukushima incident. The gamma activities were at elevated levels compared to a reference sample, but much less than normal background radiation. This measurement was possible due to the extremely sensitive well-shielded low-background germanium detector in the SNOLAB underground facility.
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