The influence of 134Cs on the 137Cs gamma-spectrometric peak-to-valley ratio and improvement of the peak-to-valley method by limiting the detector field of view
(2017) In Applied Radiation and Isotopes 128. p.249-255- Abstract
The peak-to-valley method was investigated under laboratory conditions and in situ with respect to both 134Cs perturbation of the 137Cs valley and use of collimation. The 134Cs perturbation is significant down to 134Cs:137Cs activity ratios of 1:100. In these cases the full energy peaks from 134Cs (796 and 802 keV) and associated valley should be used instead of the peak and valley from the 137Cs 662 keV peak. Use of collimators in situ outside Fukushima Daiichi significantly increased PTV for 134Cs.
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/bc389bde-cb36-4edf-a010-8c6a84228c2d
- author
- Östlund, Karl
LU
; Samuelsson, Christer
LU
; Mattsson, Sören
LU
and Rääf, Christopher L.
LU
- organization
- publishing date
- 2017-10-01
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Cs and Cs deposition, Collimators, Depth distribution, Field gamma spectrometry, Fukushima, HPGe, in situ, Peak-to-valley ratio, PTV
- in
- Applied Radiation and Isotopes
- volume
- 128
- pages
- 7 pages
- publisher
- Elsevier
- external identifiers
-
- scopus:85025114006
- pmid:28743069
- wos:000410016200037
- ISSN
- 0969-8043
- DOI
- 10.1016/j.apradiso.2017.07.004
- language
- English
- LU publication?
- yes
- id
- bc389bde-cb36-4edf-a010-8c6a84228c2d
- date added to LUP
- 2017-07-31 08:22:42
- date last changed
- 2025-01-07 18:01:43
@article{bc389bde-cb36-4edf-a010-8c6a84228c2d, abstract = {{<p>The peak-to-valley method was investigated under laboratory conditions and in situ with respect to both <sup>134</sup>Cs perturbation of the <sup>137</sup>Cs valley and use of collimation. The <sup>134</sup>Cs perturbation is significant down to <sup>134</sup>Cs:<sup>137</sup>Cs activity ratios of 1:100. In these cases the full energy peaks from <sup>134</sup>Cs (796 and 802 keV) and associated valley should be used instead of the peak and valley from the <sup>137</sup>Cs 662 keV peak. Use of collimators in situ outside Fukushima Daiichi significantly increased PTV for <sup>134</sup>Cs.</p>}}, author = {{Östlund, Karl and Samuelsson, Christer and Mattsson, Sören and Rääf, Christopher L.}}, issn = {{0969-8043}}, keywords = {{Cs and Cs deposition; Collimators; Depth distribution; Field gamma spectrometry; Fukushima; HPGe; in situ; Peak-to-valley ratio; PTV}}, language = {{eng}}, month = {{10}}, pages = {{249--255}}, publisher = {{Elsevier}}, series = {{Applied Radiation and Isotopes}}, title = {{The influence of <sup>134</sup>Cs on the <sup>137</sup>Cs gamma-spectrometric peak-to-valley ratio and improvement of the peak-to-valley method by limiting the detector field of view}}, url = {{http://dx.doi.org/10.1016/j.apradiso.2017.07.004}}, doi = {{10.1016/j.apradiso.2017.07.004}}, volume = {{128}}, year = {{2017}}, }