原子能科学技术2013，Vol.47Issue(7)：1096-1100,5.DOI:10.7538/yzk.2013.47.07.1096
缓发中子计数法定量235U、239Pu初步研究
Preliminary Study on Determination of 235U and 239Pu Using Delayed Neutron Counting Method
摘要
Abstract
The preliminary study on the measurements of 235U and 239Pu in 235U-239Pu mixture using delayed neutron counting method was introduced.All samples were irradiated for 30 s at China Institute of Atomic Energy,cooled for 2 s,and counted for 100 s using a delayed neutron detector.It is found that the detection limits of 235U and 239pu are 0.14 and 0.18μg for 235U and 239Pu,respectively.The detection efficiency for delayed neutron is 0.0150±0.0010.The relative deviations between calculated mass and measured mass of 235U and 239Pu are 0.8％ and 6.9％,respectively,for m(235U)/m(239Pu) of 235U-239Pu mixture sample is 1.2.关键词
235U-239Pu混合物/235U/239Pu/缓发中子探测器Key words
235U-239Pu mixture / 235U / 239Pu / delayed neutron detector分类
数理科学引用本文复制引用
张贵英,肖才锦,袁国军,孙洪超,倪邦发,田伟之,王平生,刘存兄,黄锦锋..缓发中子计数法定量235U、239Pu初步研究[J].原子能科学技术,2013,47(7):1096-1100,5.基金项目
中国核工业集团公司预先研究基金资助项目(61601090411) （61601090411）
国家自然科学基金资助项目(11175264) （11175264）
