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A Bayesian method to localize lost gamma sources

Bukartas, A. LU ; Finck, R. LU ; Wallin, J. LU and Rääf, C. L. LU orcid (2019) In Applied Radiation and Isotopes 145. p.142-147
Abstract

A feasibility study of a Bayesian based algorithm for orphan source localization by means of mobile gamma spectrometry is presented. The method was tested on three types of gamma sources (137Cs, 133Ba and 131I) using a HPGe detector mounted on a vehicle. Estimates on source activity and source locations were within 51% and 29% of actual values, respectively. Further studies are required to validate and develop this method for additional source-detector configurations and gamma radiation background conditions.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Bayesian statistics, Mobile gamma spectrometry, Orphan gamma sources, Radioactive source mapping, Source localization
in
Applied Radiation and Isotopes
volume
145
pages
6 pages
publisher
Elsevier
external identifiers
  • scopus:85059367767
  • pmid:30612009
ISSN
0969-8043
DOI
10.1016/j.apradiso.2018.11.008
language
English
LU publication?
yes
id
c23d452e-c832-4195-b8ad-3f7bfb1c096f
date added to LUP
2019-01-10 14:36:37
date last changed
2025-10-16 10:53:57
@article{c23d452e-c832-4195-b8ad-3f7bfb1c096f,
  abstract     = {{<p>A feasibility study of a Bayesian based algorithm for orphan source localization by means of mobile gamma spectrometry is presented. The method was tested on three types of gamma sources (<sup>137</sup>Cs, <sup>133</sup>Ba and <sup>131</sup>I) using a HPGe detector mounted on a vehicle. Estimates on source activity and source locations were within 51% and 29% of actual values, respectively. Further studies are required to validate and develop this method for additional source-detector configurations and gamma radiation background conditions.</p>}},
  author       = {{Bukartas, A. and Finck, R. and Wallin, J. and Rääf, C. L.}},
  issn         = {{0969-8043}},
  keywords     = {{Bayesian statistics; Mobile gamma spectrometry; Orphan gamma sources; Radioactive source mapping; Source localization}},
  language     = {{eng}},
  month        = {{03}},
  pages        = {{142--147}},
  publisher    = {{Elsevier}},
  series       = {{Applied Radiation and Isotopes}},
  title        = {{A Bayesian method to localize lost gamma sources}},
  url          = {{http://dx.doi.org/10.1016/j.apradiso.2018.11.008}},
  doi          = {{10.1016/j.apradiso.2018.11.008}},
  volume       = {{145}},
  year         = {{2019}},
}