节点文献
用于强γ环境中测量中子参数的薄膜塑料闪烁探测器(英文)
Thin Plastic Scintillating Foil for Measuring Pulsed Neutron Flux in High Gamma-Ray Environment
【摘要】 提出了在强γ环境中脉冲中子通量的薄膜闪烁体测量方法.根据其与中子、γ响应的理论计算结果,研制成功一种对γ不灵敏,用于探测快脉冲中子通量的新型探测器.该探测器由塑料薄膜闪烁体+光电探测器构成.与传统探测器相比,该探测器具有如下特点1.高中子灵敏度;2.高n/γ分辨;3.在给定能区具有平坦的能量响应.
【Abstract】 A new conception of measuring pulsed neutron flux in high gamma-ray environment with a thin plastic scintillating foil is presented. Based on the calculations of the response to neutrons and gamma-rays, a new gamma-insensitive detector for detecting fast rising, transient neutron flux has been developed and preliminarily tested, which comprises a thin plastic scintillating foil of ST401 (TPSF) and a photomultiplier tube (or a photodiode). The detector exhibits three distinct properties compared with the conventional ones: (1) high neutron sensitivity, (2) high n/γ discrimination, and (3) flat response in the given neutron energy range.
【Key words】 thin plastic scintillator; pulsed neutron flux detection; neutron-gamma discrimination; energy response;
- 【文献出处】 高能物理与核物理 ,High Energy Physics and Nuclear Physics , 编辑部邮箱 ,2005年04期
- 【分类号】TL812
- 【被引频次】15
- 【下载频次】225