Characterisation of the natural gamma-ray background in the underground Callio Lab facility
Gostilo, V.; Sokolov, A.; Pohuliai, S.; Joutsenvaara, J. (2019-11-14)
V. Gostilo, A. Sokolov, S. Pohuliai, J. Joutsenvaara, Characterisation of the natural gamma-ray background in the underground Callio Lab facility, Applied Radiation and Isotopes, Volume 156, 2020, 108987, ISSN 0969-8043, https://doi.org/10.1016/j.apradiso.2019.108987
© 2019 Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/.
https://creativecommons.org/licenses/by-nc-nd/4.0/
https://urn.fi/URN:NBN:fi-fe202003188365
Tiivistelmä
Abstract
Herein, we measured the natural gamma-ray background in a new underground laboratory facility within Pyhäsalmi Mine in Finland at a depth of 1430 m (~4100 m.w.e). The radionuclide compositions of the rocks in the walls along with the shotcrete on the walls were investigated. The specific activities of the natural radionuclides in these materials were calculated. The measured spectra of the natural gamma-ray background and calculated minimal detected activities of several natural and artificial radionuclides are presented.
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