Abstract
As a result of the difficulties of preparation and the high cost of sources of ionizing radiations from individual fragmental isotopes, it is expedient to examine the possibility of using sources of an unseparated mixture of uranium fission products. Theoretical and experimental data on the variation of energy and intensity of the total and also β- and γ -radiations with time are given for different fragmental isotopes and their mixtures. It is shown that the mean energy of β -active isotopes reaches a maximum for two-year fragments, while for γ -active isotopes the maximum is found in the case of two to six month fragments.
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Bykov, A.G., Zimakov, P.V. & Kulichenko, V.V. Radioactive properties of fragmental products. The Soviet Journal of Atomic Energy 10, 348–352 (1962). https://doi.org/10.1007/BF01479934
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DOI: https://doi.org/10.1007/BF01479934