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Updated: Jun 16, 2026

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Published on: August 24, 2017
Bayesian statistical evaluation of peak area measurements in gamma spectrometry
L Silva1, A Turkman, C D Paulino
1Instituto Tecnológico e Nuclear, Portugal. lsilva@itn.pt
Abstract:
We analyze results from determinations of peak areas for a radioactive source containing several radionuclides. The statistical analysis was performed using Bayesian methods based on the usual Poisson model for observed counts. This model does not appear to be a very good assumption for the counting system under investigation, even though it is not questioned as a whole by the inferential procedures adopted. We conclude that, in order to avoid incorrect inferences on relevant quantities, one must proceed to a further study that allows us to include missing influence parameters and to select a model explaining the observed data much better.
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