Abstract
Formulas estimating the effect of gamma-beam divergence on the systematic and statistical components of errors in density measurements have been obtained. An engineering method for selection of the separation between the source and tested object for a gamma-absorption densimeter operating in the configuration of divergent beam with amplitude compensation for scattered radiation has been developed. We have estimated the efficiency of the densimeter using an isotopic gammasource with the error in density measurements prescribed on the stage of design.
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Nedavnii, O.I., Osipov, S.P. & Nedavnii, I.O. Selection of the separation between source and tested object for a gamma-absorption densimeter in the divergent-beam configuration. Russ J Nondestruct Test 36, 526–530 (2000). https://doi.org/10.1007/BF02759436
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DOI: https://doi.org/10.1007/BF02759436