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Journal Articles Radiation Measurements Year : 2018

Multilayer phoswich scintillators for neutron / gamma discrimination


MultiLayer Phoswich (MLP) scintillators have been studied for fission neutron detection by Monte-Carlo simulations and experimental tests. n/γ discrimination behavior of these systems and their angular dependencies have been characterized. The possibility to carry on a neutron counting system based of such an approach has been proven, and according to the results, an optimal thickness of layers for fission neutron counting was found around [100–150] μm. But, contrary to current liquid or solid-state discrimination scintillators, it appears that MLP-based neutron counting systems cannot directly classify neutron and gamma-ray interaction events from pulse shape analysis. To operate properly, it is therefore required to implement a compensation algorithm in the system readout.
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cea-01915979 , version 1 (07-06-2022)



Romain Coulon, Vladimir Kondrasovs, Quentin Lecomte, Jonathan Nicolas Dumazert. Multilayer phoswich scintillators for neutron / gamma discrimination. Radiation Measurements, 2018, 117, pp.57 - 62. ⟨10.1016/j.radmeas.2018.07.011⟩. ⟨cea-01915979⟩
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