Detection of neutrons in a wide energy range with crystalline Gd3Al2Ga3O12, Lu2SiO5 and LaBr3 doped with Ce scintillators
作者： M. Korzhik , K.-Th. Brinkmann , G. Dosovitskiy , V. Dormenev , A. Fedorov
DOI: 10.1016/J.NIMA.2019.04.034
关键词: Scintillator 、 Analytical chemistry 、 Lutetium 、 Neutron 、 Scintillation 、 Neutron detection 、 Lanthanide 、 Range (particle radiation) 、 Physics 、 Neutron capture
摘要: Abstract High light yield scintillation materials on the base of lanthanide ions were demonstrated to be a multipurpose materials. They are widely used detect γ –quanta and now become prospective neutrons as well. Neutrons detected through several distinct low energy peaks, generated by nuclei in under neutrons. Among three crystalline scintillators, namely lutetium oxy-orthosilicate, lanthanum bromide gadolinium–aluminum–gallium garnet, Gd3Al2Ga3O12:Ce (GAGG) scintillator showed best performance sensitivity due internal background radioactivity good cross section neutron capture natural mixture matrix host-creating Gd ions. The material fits requirements for detector properties — high content high yield, stopping power reasonable resolution -quanta. These findings create prospects construct compact detectors space other application.
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