Abstract
CURIE and Joliot1 have reported that a number of new radioactive isotopes can be produced by the bombardment of various elements with α-particles, these isotopes emitting positive electrons. In particular, they showed that boron when bombarded by α-particles was transformed to the isotope N13, radio-nitrogen, this isotope having a half life of 14 minutes. They suggested that the isotope might be produced by the bombardment, of carbon with heavy hydrogen, the product, N14, disintegrating with the emission of a neutron to radio-nitrogen.
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Comptes rendus, 198, 254; 1934.
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COCKCROFT, J., GILBERT, C. & WALTON, E. Production of Induced Radioactivity by High Velocity Protons. Nature 133, 328 (1934). https://doi.org/10.1038/133328a0
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DOI: https://doi.org/10.1038/133328a0
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