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本文描述了500×500×50mm的大面积宇宙射线闪烁探测器的结构和性能,该探测器由于采用了塔式方圆型结构的空气光导箱和在光导箱内壁、闪烁体反射层用二氧化钛粉,使探测器对宇宙射线响应的全向谱单粒子分辨率达到53％,探测器响应的非均匀度达5.18％。
This paper describes the structure and performance of a large-area cosmic ray scintillation detector with a size of 500 × 500 × 50mm. Because of the air-based light guide box with tower-type square structure and the titanium oxide powder used in the inner wall of the light guide box and the scintillator reflection layer, The detector’s response to cosmic rays was 53% for the omnidirectional single-particle resolution and 5.18% for the detector response.