Determining the probability of locating peaks using computerized peak-location methods in gamma-ray spectra as a function of the relative peak-area uncertainty

M.C. Ali Santoro; M. Anagnostakis; T. Boshkova; A. Camacho; M.C. Fornaciair Iljadica; S M Collins; R. Diaz Perez; J.U. Delgado; M. Durasavic; Maria Amor Duch; V.H. Elvira; R.S. Gomes; Arunas Gudelis; Daniela Gurau; Santiago Hurtado; R. Idoeta; A. Jevremovic; A. Kandić; Leen Verheyen

doi:10.1016/j.apradiso.2019.108920

Determining the probability of locating peaks using computerized peak-location methods in gamma-ray spectra as a function of the relative peak-area uncertainty

M.C. Ali Santoro
, M. Anagnostakis
, T. Boshkova
, A. Camacho
, M.C. Fornaciair Iljadica
, S M Collins
, R. Diaz Perez
, J.U. Delgado
, M. Durasavic
, Maria Amor Duch
, V.H. Elvira
, R.S. Gomes
, Arunas Gudelis
, Daniela Gurau
, Santiago Hurtado
, R. Idoeta
, A. Jevremovic
, A. Kandić
, Leen Verheyen

Research output › peer-review

Abstract

The probabilities of locating peaks with a high relative peak-area uncertainty were determined empirically with nine types of peak-location software used in laboratories engaged in gamma-ray spectrometry measurements. It was found that it is not possible to locate peaks with a probability of 0.95, when they have a relative peak-area uncertainty in excess of 50%. Locating peaks at these relatively high peak-area uncertainties with a probability greater than 0.95 is only possible in the library-driven mode, where the peak positions are supposed a-priori. The
deficiencies of the library-driven mode and the possibilities to improve the probabilities of locating peaks are briefly discussed.

Original language	English
Article number	1089820
Number of pages	6
Journal	Applied Radiation and Isotopes
Volume	155
DOIs	https://doi.org/10.1016/j.apradiso.2019.108920
State	Published - Jan 2020

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Cite this

Santoro, M. C. A., Anagnostakis, M., Boshkova, T., Camacho, A., Fornaciair Iljadica, M. C., Collins, S. M., Diaz Perez, R., Delgado, J. U., Durasavic, M., Amor Duch, M., Elvira, V. H., Gomes, R. S., Gudelis, A., Gurau, D., Hurtado, S., Idoeta, R., Jevremovic, A., Kandić, A., & Verheyen, L. (2020). Determining the probability of locating peaks using computerized peak-location methods in gamma-ray spectra as a function of the relative peak-area uncertainty. Applied Radiation and Isotopes, 155, Article 1089820. https://doi.org/10.1016/j.apradiso.2019.108920

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title = "Determining the probability of locating peaks using computerized peak-location methods in gamma-ray spectra as a function of the relative peak-area uncertainty",

abstract = "The probabilities of locating peaks with a high relative peak-area uncertainty were determined empirically with nine types of peak-location software used in laboratories engaged in gamma-ray spectrometry measurements. It was found that it is not possible to locate peaks with a probability of 0.95, when they have a relative peak-area uncertainty in excess of 50\%. Locating peaks at these relatively high peak-area uncertainties with a probability greater than 0.95 is only possible in the library-driven mode, where the peak positions are supposed a-priori. The deficiencies of the library-driven mode and the possibilities to improve the probabilities of locating peaks are briefly discussed.",

keywords = "Gamma-ray spectrometry, Relative peak-area uncertainty, Peak location, Decision threshold",

author = "Santoro, \{M.C. Ali\} and M. Anagnostakis and T. Boshkova and A. Camacho and \{Fornaciair Iljadica\}, M.C. and Collins, \{S M\} and \{Diaz Perez\}, R. and J.U. Delgado and M. Durasavic and \{Amor Duch\}, Maria and V.H. Elvira and R.S. Gomes and Arunas Gudelis and Daniela Gurau and Santiago Hurtado and R. Idoeta and A. Jevremovic and A. Kandi{\'c} and Leen Verheyen",

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year = "2020",

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doi = "10.1016/j.apradiso.2019.108920",

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Santoro, MCA, Anagnostakis, M, Boshkova, T, Camacho, A, Fornaciair Iljadica, MC, Collins, SM, Diaz Perez, R, Delgado, JU, Durasavic, M, Amor Duch, M, Elvira, VH, Gomes, RS, Gudelis, A, Gurau, D, Hurtado, S, Idoeta, R, Jevremovic, A, Kandić, A & Verheyen, L 2020, 'Determining the probability of locating peaks using computerized peak-location methods in gamma-ray spectra as a function of the relative peak-area uncertainty', Applied Radiation and Isotopes, vol. 155, 1089820. https://doi.org/10.1016/j.apradiso.2019.108920

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AU - Santoro, M.C. Ali

AU - Anagnostakis, M.

AU - Boshkova, T.

AU - Camacho, A.

AU - Fornaciair Iljadica, M.C.

AU - Collins, S M

AU - Diaz Perez, R.

AU - Delgado, J.U.

AU - Durasavic, M.

AU - Amor Duch, Maria

AU - Elvira, V.H.

AU - Gomes, R.S.

AU - Gudelis, Arunas

AU - Gurau, Daniela

AU - Hurtado, Santiago

AU - Idoeta, R.

AU - Jevremovic, A.

AU - Kandić, A.

AU - Verheyen, Leen

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PY - 2020/1

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N2 - The probabilities of locating peaks with a high relative peak-area uncertainty were determined empirically with nine types of peak-location software used in laboratories engaged in gamma-ray spectrometry measurements. It was found that it is not possible to locate peaks with a probability of 0.95, when they have a relative peak-area uncertainty in excess of 50%. Locating peaks at these relatively high peak-area uncertainties with a probability greater than 0.95 is only possible in the library-driven mode, where the peak positions are supposed a-priori. The deficiencies of the library-driven mode and the possibilities to improve the probabilities of locating peaks are briefly discussed.

AB - The probabilities of locating peaks with a high relative peak-area uncertainty were determined empirically with nine types of peak-location software used in laboratories engaged in gamma-ray spectrometry measurements. It was found that it is not possible to locate peaks with a probability of 0.95, when they have a relative peak-area uncertainty in excess of 50%. Locating peaks at these relatively high peak-area uncertainties with a probability greater than 0.95 is only possible in the library-driven mode, where the peak positions are supposed a-priori. The deficiencies of the library-driven mode and the possibilities to improve the probabilities of locating peaks are briefly discussed.

KW - Gamma-ray spectrometry

KW - Relative peak-area uncertainty

KW - Peak location

KW - Decision threshold

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