Abstract
The various methods in use for determining the correction for absorption due to the source mount used in a 4π-counter are discussed, and experiments conducted to test the validity of the correction, arising from these methods, for β emitters of varying end-point energies. The methods all give erroneous corrections for low energy β emitters and possible reasons for the errors introduced by the 'sandwich method' are discussed. An 'absorption curve' type method is proposed which is shown to give more accurate correction factors.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
66 articles.
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