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Sholom, S.* ; Wieser, A. ; McKeever, S.W.S.*

A comparison of different spectra deconvolution methods used in EPR dosimetry with Gorilla® glasses.

Radiat. Prot. Dosim. 186, 54-59 (2019)
Postprint DOI
Open Access Green
Two different spectra deconvolution methods have been compared on samples of Gorilla((R)) Glass (GG) irradiated in the dose range 0-20 Gy and measured with X-band EPR. The first method used a matrix deconvolution procedure using sample-specific sets of reference signals. The second method used a 'universal' set of eight reference signals (due to five electron centers, two hole centers and a background) to fit EPR spectra from any GG sample. Dose-responses curves were constructed for each individual reference signal. These were then used to test reconstruction of a laboratory-administered dose of 2 Gy. For the matrix method, the values of the reconstructed and nominal doses were within +/- 20% after averaging measurements from three aliquots of each sample. For the universal method, the most promising results were obtained with E1, E4 and H1 signals. The fitting failed for one sample, due to dominance of the background signal.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Centers
ISSN (print) / ISBN 0144-8420
e-ISSN 1742-3406
Quellenangaben Band: 186, Heft: 1, Seiten: 54-59 Artikelnummer: , Supplement: ,
Verlag Oxford University Press
Verlagsort Oxford
Begutachtungsstatus Peer reviewed