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https://open.uns.ac.rs/handle/123456789/4790
Nаziv: | Estimation of neutron spectrum in the low-level gamma spectroscopy system using unfolding procedure | Аutоri: | Knežević, Dejan Jovančević, Nikola Krmar, Miodrag |
Dаtum izdаvаnjа: | 25-мар-2016 | Čаsоpis: | AIP Conference Proceedings | Sažetak: | © 2016 AIP Publishing LLC. The radiation resulting from neutron interactions with Ge nuclei in active volume of HPGe detectors is one of the main concerns in low-level gamma spectroscopy measurements [1,2]. It is usually not possible to measure directly spectrum of neutrons which strike detector. This paper explore the possibility of estimation of neutron spectrum using measured activities of certain Ge(n,γ) and Ge(n,n') reactions (obtained from low-level gamma measurements), available ENDF cross section data and unfolding procedures. In this work HPGe detector with passive shield made from commercial low background lead was used for the measurement. The most important objective of this study was to reconstruct muon induced neutron spectrum created in the shield of the HPGe detector. MAXED [3] and GRAVEL [4] algorithms for neutron spectra unfolding were used. The results of those two algorithms were compared and we analyzed the sensitivity of the unfolding procedure to the various input parameters. | URI: | https://open.uns.ac.rs/handle/123456789/4790 | ISBN: | 9780735413696 | ISSN: | 0094243X | DOI: | 10.1063/1.4944129 |
Nаlаzi sе u kоlеkciјаmа: | PMF Publikacije/Publications |
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