Abstract
DR. W. B. LEWIS, W. E. Burcham and W. Y. Chang report that a-particles accompany the radioactive disintegration of lithium atoms (mass 8) into beryllium atoms of the same mass, with emission of an electron. These a-particles are attributed to the disintegration of excited 8Be nuclei formed in the above reaction. It appears that the 8Be is always formed in an excited state, and the lowest excess energy is not less than two million electron volts.
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Points from Foregoing Letters. Nature 139, 32 (1937). https://doi.org/10.1038/139032b0
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DOI: https://doi.org/10.1038/139032b0