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Peak-to-valley ratios for three different HPGe detectors for the assessment of 137Cs deposition on the ground and the impact of the detector field-of-view

Östlund, Karl LU ; Samuelsson, Christer LU ; Mattsson, Sören LU and Rääf, Christopher L. LU (2017) In Applied Radiation and Isotopes 120. p.89-94
Abstract

The peak-to-valley (PTV) method was investigated experimentally comparing PTV ratios for three HPGe detectors, with complementary Monte Carlo simulations of scatter in air for larger source-detector distances. The measured PTV ratios for 137Cs in air were similar for three different detectors for incident angles between 0 and 90°. The study indicated that the PTV method can differentiate between surface and shallow depth sources if the detector field of view is limited to a radius of less than 3.5 m.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Cs-137, Deposition, Depth distribution, Field of view, HPGe, In situ, MCNP, PTV ratio
in
Applied Radiation and Isotopes
volume
120
pages
6 pages
publisher
Elsevier
external identifiers
  • scopus:85003952248
  • wos:000392044700015
ISSN
0969-8043
DOI
10.1016/j.apradiso.2016.11.006
language
English
LU publication?
yes
id
77efc5fd-dbb8-479b-b2e2-cef214ec1d96
date added to LUP
2017-02-03 11:45:02
date last changed
2018-01-07 11:47:58
@article{77efc5fd-dbb8-479b-b2e2-cef214ec1d96,
  abstract     = {<p>The peak-to-valley (PTV) method was investigated experimentally comparing PTV ratios for three HPGe detectors, with complementary Monte Carlo simulations of scatter in air for larger source-detector distances. The measured PTV ratios for 137Cs in air were similar for three different detectors for incident angles between 0 and 90°. The study indicated that the PTV method can differentiate between surface and shallow depth sources if the detector field of view is limited to a radius of less than 3.5 m.</p>},
  author       = {Östlund, Karl and Samuelsson, Christer and Mattsson, Sören and Rääf, Christopher L.},
  issn         = {0969-8043},
  keyword      = {Cs-137,Deposition,Depth distribution,Field of view,HPGe,In situ,MCNP,PTV ratio},
  language     = {eng},
  month        = {02},
  pages        = {89--94},
  publisher    = {Elsevier},
  series       = {Applied Radiation and Isotopes},
  title        = {Peak-to-valley ratios for three different HPGe detectors for the assessment of 137Cs deposition on the ground and the impact of the detector field-of-view},
  url          = {http://dx.doi.org/10.1016/j.apradiso.2016.11.006},
  volume       = {120},
  year         = {2017},
}