基于6Li2O∗2SiO2:Ce/7Li2O∗2SiO2:Ce玻璃和gd1,5y1,5al2.5 ga2.5 o12:Ce,Mg/Y3Al2.5Ga2.5O12:Ce，Mg陶瓷闪烁体的二元薄探测元件还原中子计数背景

IF 2.6 3区工程技术 Q1 NUCLEAR SCIENCE & TECHNOLOGY

Nuclear Engineering and Technology Pub Date : 2025-08-19 DOI:10.1016/j.net.2025.103867

Vitaly Mechinsky , Elizaveta Borisevich , Andrei Fedorov , Olga Akimova , Dmitry Gorshkov , Ilya Lagutskiy , Petr Karpyuk , Damian Komar , Valery Kozemiakin , Ilya Komendo , Ksenia Okhotnikova , Vasilii Retivov , Valentina Smyslova , Andrey Timoshchenko , Mikhail Korzhik

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引用次数: 0

摘要

以6Li2O∗2SiO2:Ce/7Li2O∗2SiO2:Ce:Ce玻璃和Gd1.5Y1.5Al2.5Ga2.5O12:Ce,Mg/Y3Al2.5Ga2.5O12:Ce，Mg陶瓷闪烁体为基础，评价了二元薄探测元件对中子的探测效果。耦合在中子敏感和不敏感材料的探测单元与单独的光传感器允许应用不同的技术来区分伽马射线背景。Gd1.5Y1.5Al2.5Ga2.5O12:Ce和Y3Al2.5Ga2.5O12:Ce，Mg在闪烁动力学上有足够的差异，当使用一个光传感器时，可以在一个光开关检测单元中对相同能量的伽马射线进行脉冲形状识别。

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Reducing neutron counting background with binary thin detecting elements on a base of 6Li2O∗2SiO2:Ce/7Li2O∗2SiO2:Ce glass and Gd1,5Y1,5Al2.5Ga2.5O12:Ce,Mg/Y3Al2.5Ga2.5O12:Ce,Mg ceramic scintillators

Binary thin detecting elements on a base of ⁶Li₂O∗2SiO₂:Ce/⁷Li₂O∗2SiO₂:Ce:Ce glass and Gd_1.5Y_1.5Al_2.5Ga_2.5O₁₂:Ce,Mg/Y₃Al_2.5Ga_2.5O₁₂:Ce,Mg ceramic scintillators were evaluated for detection of neutrons. Coupling in the detecting unit of neutron-sensitive and insensitive materials with separate photosensors allows the application of different techniques to discriminate gamma-rays background. Sufficient difference in scintillation kinetics of Gd_1.5Y_1.5Al_2.5Ga_2.5O₁₂:Ce and Y₃Al_2.5Ga_2.5O₁₂:Ce,Mg allows pulse shape discrimination of gamma-rays of the same energy in a phoswich detecting unit when one photosensor is utilized.

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来源期刊

Nuclear Engineering and Technology 工程技术-核科学技术

CiteScore

4.80

自引率

7.40%

发文量

431

审稿时长

3.5 months

期刊介绍： Nuclear Engineering and Technology (NET), an international journal of the Korean Nuclear Society (KNS), publishes peer-reviewed papers on original research, ideas and developments in all areas of the field of nuclear science and technology. NET bimonthly publishes original articles, reviews, and technical notes. The journal is listed in the Science Citation Index Expanded (SCIE) of Thomson Reuters. NET covers all fields for peaceful utilization of nuclear energy and radiation as follows: 1) Reactor Physics 2) Thermal Hydraulics 3) Nuclear Safety 4) Nuclear I&C 5) Nuclear Physics, Fusion, and Laser Technology 6) Nuclear Fuel Cycle and Radioactive Waste Management 7) Nuclear Fuel and Reactor Materials 8) Radiation Application 9) Radiation Protection 10) Nuclear Structural Analysis and Plant Management & Maintenance 11) Nuclear Policy, Economics, and Human Resource Development