Abstract
FOR the past few months, the 225-cm. cyclotron1 and the electromagnetic isotope separator2 of this Institute have been used as the basic tools for a series of investigations on radioactive isotopes. Radioactive samples produced by cyclotron bombardment have been separated in the isotope separator both for obtaining mass assignments and for providing sources for beta-spectroscopic work. Due to the high intensity andhigh energy of the beam available in this cyclotron (200–300 µamp. internal beam of 25-MeV. deuterons), very intense beta-sources of separated isotopes can be obtained. The present communication reports the preliminary results of such an investigation on arsenic-71. The work is still in progress and a more detailed paper will be published later.
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ATTERLING, H., THULIN, S. Beta-Spectrum of Arsenic-71. Nature 171, 927 (1953). https://doi.org/10.1038/171927a0
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DOI: https://doi.org/10.1038/171927a0
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