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Coincidence Measurements. Part II. Internal Conversion

Coincidence Measurements. Part II. Internal Conversion It has been found that for a nucleus which has a simple β spectrum followed by internally converted γ radiation, the total absolute conversion coefficient can be obtained simply from single counting and coincidence rates. The method is independent of source strength, solid angle of counters, and counting efficiencies. The procedure could also be applied to processes involving complex β decay if the branching ratio were known. The shape of the β - e - per observed β particle (i.e. N β e - N β ) curve is dependent upon the relative energies of the β particle and the conversion electrons as well as upon the conversion coefficient α . The conversion coefficients have been obtained for gold 198 , cesium 134 , and iridium 1 9 2 , 1 9 4 . http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review American Physical Society (APS)

Coincidence Measurements. Part II. Internal Conversion

Wiedenbeck, M. L; Chu, K. Y
Physical Review , Volume 72 (12) – Dec 15, 1947
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Publisher
American Physical Society (APS)
Copyright
Copyright © 1947 The American Physical Society
ISSN
1536-6065
DOI
10.1103/PhysRev.72.1171
Publisher site
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Abstract

It has been found that for a nucleus which has a simple β spectrum followed by internally converted γ radiation, the total absolute conversion coefficient can be obtained simply from single counting and coincidence rates. The method is independent of source strength, solid angle of counters, and counting efficiencies. The procedure could also be applied to processes involving complex β decay if the branching ratio were known. The shape of the β - e - per observed β particle (i.e. N β e - N β ) curve is dependent upon the relative energies of the β particle and the conversion electrons as well as upon the conversion coefficient α . The conversion coefficients have been obtained for gold 198 , cesium 134 , and iridium 1 9 2 , 1 9 4 .

Journal

Physical Review – American Physical Society (APS)

Published: Dec 15, 1947

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