Spontaneous Emission of Neutrons from Radioactive Isotopes
@article{Walke1934SpontaneousEO, title={Spontaneous Emission of Neutrons from Radioactive Isotopes}, author={H. Walke}, journal={Nature}, year={1934}, volume={134}, pages={215-215} }
IN confirming the pioneer work of Fermi1 on radio-activity induced by neutron bombardment, Curie, Joliot and Preiswerk2 have shown that the radio active isotopes produced when phosphorus and magnesium are bombarded by neutrons emit : (1) negative electrons, (2) high energy γ–radiation (∼ 5 × 106 e.v.), (3) positrons (which they tenta tively ascribe to pair formation, this explanation being very doubtful as the high energy limit of these electrons was ∼ 1·0 × 106 e.v.), (4) neutrons. The neutron… CONTINUE READING
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