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http://hdl.handle.net/1942/28451
Title: | Determination of homogeneity of the top surface deadlayer in an old HPGe detector | Authors: | Hult, Mikael GEELEN, Stef STALS, Mark Lutter, Guillaume Marissens, Gerd Stroh, Heiko SCHREURS, Sonja SCHROEYERS, Wouter Bruggeman, Michel Verheyen, Leen |
Issue Date: | 2019 | Source: | APPLIED RADIATION AND ISOTOPES, 147 (2019), p. 182-188 | Abstract: | A collimated source of 241Am was scanned over the endcap of a 21 year old coaxial HPGe-detector that had spent about 75% of its life at room temperature (and the remaining time at 77 K). The detector response was recorded and used as a measure of the relative thickness of the top deadlayer. This thickness was not homogeneous and was thicker near to the outer surface of the crystal compared to the centre, which could be a result of increased diffusion of Li atoms during times the detector was kept at room temperature. The results were compared with two newer HPGe-detectors that proved to have homogeneous top deadlayers. | Notes: | Hult, M (reprint author), JRC Geel, Joint Res Ctr, European Commiss, Retieseweg 111, B-2440 Geel, Belgium. mikael.hult@ec.europa.eu | Keywords: | γ-ray spectrometry; HPGe detectors; Deadlayer | Document URI: | http://hdl.handle.net/1942/28451 | ISSN: | 0969-8043 | e-ISSN: | 1872-9800 | DOI: | 10.1016/j.apradiso.2019.02.019 | ISI #: | 000470046200027 | Rights: | © 2019 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/BY/4.0/). | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2020 |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
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Submitted manuscript ARI_2018_1057_Original_V0.pdf | Non Peer-reviewed author version | 853.67 kB | Adobe PDF | View/Open |
1-s2.0-S0969804318311643-main.pdf | Published version | 1.71 MB | Adobe PDF | View/Open |
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