Abstract
DURING routine counting for the determination of caesium-137 levels, an unexpected gamma-ray peak at about 0.51 MeV was observed in a number of milk samples from many different locations throughout Utah (Figs. 1 and 2). It was detected in milk produced on all dairy farms which we sampled between March 1962 and March 1963.
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References
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CHURCH, B., LLOYD, R., PENDLETON, R. et al. Evidence for Radio-Ruthenium in Milk. Nature 207, 775–776 (1965). https://doi.org/10.1038/207775a0
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DOI: https://doi.org/10.1038/207775a0
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