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https://open.uns.ac.rs/handle/123456789/5659
Nаziv: | Analysis of Neutron Induced Gamma Activity in Lowbackground Ge-Spectroscopy Systems | Аutоri: | Jovančević, Nikola Krmar, Miodrag |
Dаtum izdаvаnjа: | 1-јан-2012 | Čаsоpis: | Physics Procedia | Sažetak: | © 2012 Published by Elsevier B.V. Neutron interactions with materials of Ge-spectroscopy systems are one of the main sources of background radiation in low-level gamma spectroscopy measurements. Because of that detailed analysis of neutron induced gamma activity in low-background Ge-spectroscopy systems was done. Two HPGe detectors which were located in two different passive shields: one in pre-WW II made iron and the second in commercial low background lead were used in the experiment. Gamma lines emitted after neutron capture, as well as after inelastic scattering on the germanium crystal and shield materials (lead, iron, hydrogen, NaI) were detected and then analyzed. The thermal and fast neutron fluxes were calculated and their values were compared for the two different kinds of detector shield. The relative intensities of several gamma lines emitted after the inelastic scattering of neutrons (created by cosmic muons) in 56Fe were report. These relative intensities of detected gamma lines of 56Fe are compared with the results collected in the same iron shield by the use of the 252Cf neutrons. | URI: | https://open.uns.ac.rs/handle/123456789/5659 | ISSN: | 18753884 | DOI: | 10.1016/j.phpro.2012.04.013 |
Nаlаzi sе u kоlеkciјаmа: | PMF Publikacije/Publications |
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