Conceptual design and first results for a neutron detector with interaction localization capabilities
Conceptual design and first results for a neutron detector with interaction localization capabilities
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具有交互定位功能的中子探测器的概念设计和初步结果
DOI:
10.1016/j.nima.2019.162528
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Engelhardt, A.R.
中科院分区:
文献类型:
--
作者:
Heideman, J.;Pérez-Loureiro, D.;Grzywacz, R.;Thornsberry, C.R.;Chan, J.;Heilbronn, L.H.;Neupane, S.K.;Schmitt, K.;Rajabali, M.M.;Engelhardt, A.R.
A new high-precision detector for studying neutrons from beta-delayed neutron emission and direct reaction studies is proposed. The Neutron dEtector with multi-neutron (denoted Xn) Tracking (NEXT) array is designed to maintain high intrinsic neutron detection efficiency while reducing uncertainties in neutron energy measurements. A single NEXT module is composed of thin segments of plastic scintillator, each optically separated, capable of neutron-gamma discrimination. Each segmented module is coupled to position sensitive photodetectors enabling the high-precision determination of neutron time of arrival and interaction position within the active volume. A design study has been conducted based on simulations and experimental tests leading to the construction of prototype units. First results from measurements using a252Cf neutron source and accelerator-produced monoenergetic neutrons are presented.
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DOI:
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发表时间:
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期刊:
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