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Liberation of Neutrons from Beryllium by X-Rays: Radioactivity Induced by Means of Electron Tubes

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IT has been recently reported1 that neutrons are liberated from beryllium by -rays of radium and that these are able to induce radioactivity in iodine. Following up this work, we have attempted to liberate neutrons from beryllium by means of hard X-rays, produced by high-voltage electron tubes. An electron tube, which could conveniently be operated by a high-voltage impulse generator at several million volts2, is at present in use in the High Tension Laboratory of the A.E.G. in Berlin, and has served in the present experiment for the production of X-rays.

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References

  1. Szilard and Chalmers, NATURE, 134 494, Sept. 29, 1934.

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  2. Brasch and Lange, Z. Phy., 70, H. 1/2.

  3. Szilard and Chalmers, NATURE, 134, 462, Sept. 22, 1934.

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  4. Fermi, Amaldi, Pontecorvo, Rasetti and Segrè, La Ricerca Scientifica, 2, Nos. 7–8.

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Authors and Affiliations

  1. Berlin. https://www.nature.com/nature

    A. BRASCH, F. LANGE & A. WALY

  2. Medical College, St. Bartholomew’s Hospital, London, E.C.1. Nov. 26. https://www.nature.com/nature

    T. E. BANKS, T. A. CHALMERS, LEO SZILARD & F. L. HOPWOOD

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  1. A. BRASCH
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  2. F. LANGE
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  3. A. WALY
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  4. T. E. BANKS
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  5. T. A. CHALMERS
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  6. LEO SZILARD
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  7. F. L. HOPWOOD
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BRASCH, A., LANGE, F., WALY, A. et al. Liberation of Neutrons from Beryllium by X-Rays: Radioactivity Induced by Means of Electron Tubes. Nature 134, 880 (1934). https://doi.org/10.1038/134880a0

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