Authors:
Y. TohJapan Atomic Energy Agency Nuclear Science and Engineering Directorate Tokai, Naka, Ibaraki 319-1195 Japan

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M. OshimaJapan Atomic Energy Agency Nuclear Science and Engineering Directorate Tokai, Naka, Ibaraki 319-1195 Japan

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A. KimuraJapan Atomic Energy Agency Nuclear Science and Engineering Directorate Tokai, Naka, Ibaraki 319-1195 Japan

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M. KoizumiJapan Atomic Energy Agency Nuclear Science and Engineering Directorate Tokai, Naka, Ibaraki 319-1195 Japan

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K. FurutakaJapan Atomic Energy Agency Nuclear Science and Engineering Directorate Tokai, Naka, Ibaraki 319-1195 Japan

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Y. HatsukawaJapan Atomic Energy Agency Nuclear Science and Engineering Directorate Tokai, Naka, Ibaraki 319-1195 Japan

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J. GotoNiigata University Radioisotope Center Niigata 951-8510 Japan

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Abstract  

Low-energy photons produced by the Compton scattering from hydrogen increase the background in the lower-energy region of the gamma-ray spectrum. This results in an increase in the detection limit for trace elements. In multiple photon detection prompt gamma-ray analysis (MPGA), only those elements that simultaneously emit two or more prompt gamma-rays, which have cascade relation and are emitted within a short interval, can be measured. Therefore, the influence of hydrogen can be reduced. In this study, standard polymer and food samples are measured. The hydrogen background is reduced in MPGA.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)

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