Abstract
THE standardization of pure β-emitting nuclides becomes increasingly difficult as the energy of the radiation decreases, because of absorption and scattering effects which occur at the low-energy end of the β-spectrum. It may be possible to circumvent these effects by a technique employed by Waggoner, Moon and Roberts in connexion with a magnetic β-ray spectrometer1. This method consists of extrapolating to zero the straight Kurie plot which should be obtained for a single allowed β-ray transition. It is the purpose of this communication to show the relation between the slope of the Kurie plot and the absolute disintegration-rate of a radioactive source,and to describe the proposed method of application to 4πcounting.
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References
Waggoner, M. A., Moon, M. L., and Roberts, A., Phys. Rev., 80, 420 (1950). See also Burhop, E. H. S., “The Auger Effect”, 111 (Camb. Univ. Press, 1952).
Rose, M. E., “Beta- and Gamma-ray Spectroscopy”, 273 (North-Holland Pub. Co., London, 1955).
“Tables for the Analysis of Beta Spectra”, National Bureau of Standards (U.S. Government Printing Office, Washington, 1952).
Feenberg, E., and Trigg, G., Rev. Mod. Phys., 22, 399 (1950).
Wilkinson, D. H., “Ionization Chambers and Counters” (Cambridge Univ. Press, 1950).
Fulbright, H., “Beta- and Gamma-ray Spectroscopy”, 184 (North-Holland Pub. Co., London, 1955).
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LLOYD, R. Application of the Kurie Plot to the Standardization of Pure Beta-Emitters. Nature 181, 1055–1056 (1958). https://doi.org/10.1038/1811055b0
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DOI: https://doi.org/10.1038/1811055b0
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