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The stability of atom nuclei, the separation of isotopes, and the whole number rule

1922
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Journal of the Franklin Institute
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are the three variables--N or (P-M), u or (P-2M), and the ratio N/P, all of which are given in terms of the two experimentally determined variables, so they are themselves determined by experiment. As only two of these variables are independent, it is obvious that all of them may be represented in a single twodimensional diagram, but since, in such a plot, only two of the variables are found to be at right angles with each other, it seems valuable to use rectangular axes for each pair of

doi:10.1016/s0016-0032(22)90229-7
fatcat:5vkyrzfikfdw5e2engkaeesuwy