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Appl Radiat Isot. 2017 Nov;129:135-141. doi: 10.1016/j.apradiso.2017.08.018. Epub 2017 Aug 22.

A new approach in evaluating the surface beta contamination using the direct method of measurement.

Author information

1
National Institute of R&D for Physics and Nuclear Engineering-Horia Hulubei, IFIN-HH, P. O. Box MG-6, Bucharest, Magurele R-077125, Romania. Electronic address: doru@nipne.ro.
2
Instituto Nazionale di Metrologia delle Radiazioni Ionizzante, ENEA, C.R. Casaccia, P. O. Box 2400, I-00100 Rome, Italy.

Abstract

This paper describes a new approach in evaluating the surface beta contamination using the direct method of measurement. It makes use of previous results obtained in numerical modeling of electron transport in planar geometry and is mainly based on the estimation of the efficiency of contamination sources for beta radiation and its standard uncertainty using the available information concerning the component materials of the sources and their main parameters. Experimental results illustrate the appropriateness of the new approach for surface beta contamination measurements.

KEYWORDS:

Method of measurement; Surface contamination; Uncertainty of measurement

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