Air Kerma Rate estimation by means of in-situ gamma spectrometry: a Bayesian approach

Gonzalo Cabal; Jaroslav Kluson

doi:10.1016/j.apradiso.2009.09.062

Air Kerma Rate estimation by means of in-situ gamma spectrometry: a Bayesian approach

Appl Radiat Isot. 2010 Apr-May;68(4-5):804-6. doi: 10.1016/j.apradiso.2009.09.062. Epub 2009 Sep 25.

Authors

Gonzalo Cabal¹, Jaroslav Kluson

Affiliation

¹ Department of Dosimetry and Applications of Ionizing Radiation, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Prague, Czech Republic. [email protected]

PMID: 19914079
DOI: 10.1016/j.apradiso.2009.09.062

Abstract

Bayesian inference is used to determine the Air Kerma Rate based on in-situ gamma spectrum measurement performed with an NaI(Tl) scintillation detector. The procedure accounts for uncertainties in the measurement and in the mass energy transfer coefficients needed for the calculation. The WinBUGS program (Spiegelhalter et al., 1999) was used. The results show that the relative uncertainties in the Air Kerma estimate are of about 1%, and that the choice of unfolding procedure may lead to an estimate systematic error of 3%.

MeSH terms

Air*
Algorithms*
Bayes Theorem*
Pattern Recognition, Automated / methods*
Reproducibility of Results
Sensitivity and Specificity
Spectrometry, Gamma / methods*