Research Papers in Physics and Astronomy


Date of this Version

September 1951


Published by American Journal of Physics -- September 1951 -- Volume 19, Issue 6, p. 389. doi:10.1119/1.1932848. Copyright © 1951 American Association of Physics Teachers. Used by permission.


The conventional development of parent-daughter relationships in radioactive disintegration follows the treatment given in Rutherford, Chadwick, and Ellis in which a trial solution of the differential equations appropriate to the process is proposed, and the arbitrary constants are evaluated by application of boundary conditions. At the senior-graduate level at which the first course in nuclear physics is usually taught, the following derivation is believed to be considerably more instructive.

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