Comparison of the standards for air kerma of the NIST and the BIPM for ^sup 60^Co gamma radiation

An indirect comparison of the standards for air kerma of the National Institute of Standards and Technology (NIST), USA, and of the Bureau International des Poids et Mesures (BIPM) was carried out in the ...Co radiation beam of the BIPM in September 2011. The comparison result, based on the calibrat...

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Bibliographic Details
Published in:Metrologia 2013-01, Vol.50, p.1
Main Authors: Kessler, C, Allisy-Roberts, P J, Minniti, Ronaldo
Format: Article
Language:English
Subjects:
Calibration
Comparative analysis
Gamma rays
Physics
Radiometry
Online Access:Get full text
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Summary:An indirect comparison of the standards for air kerma of the National Institute of Standards and Technology (NIST), USA, and of the Bureau International des Poids et Mesures (BIPM) was carried out in the ...Co radiation beam of the BIPM in September 2011. The comparison result, based on the calibration coefficients for two transfer standards and expressed as a ratio of the NIST and the BIPM standards for air kerma, is 1.0039 with a combined standard uncertainty of 0.0034. The results are analysed and presented in terms of degrees of equivalence for entry in the BIPM key comparison database. (ProQuest: ... denotes formulae/symbols omitted.)
ISSN:0026-1394
1681-7575