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Induced Radioactivity of Sodium and Phosphorus

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Abstract

IN view of the discovery of induced radioactivity by F. Joliot1, I have investigated several other elements with an apparatus specially designed for the study of activities with a very short lifetime. The substance to be investigated was attached to the end of a swinging arm, which made it possible to shift the substance within half a second from the ray source, consisting of about 1 millicurie of thorium B + C, to a Geiger-Müller counter with a window of 0.05 mm. copper foil.

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References

  1. NATURE, 133, 201, Feb. 10, 1934.

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Authors and Affiliations

  1. Birkbeck College, London

    O. R. FRISCH

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  1. O. R. FRISCH
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FRISCH, O. Induced Radioactivity of Sodium and Phosphorus. Nature 133, 721–722 (1934). https://doi.org/10.1038/133721b0

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