| 裂变产物94Y和95Y半衰期的测定 |
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| 引用本文： | 王世联,白涛,师全林,张小林,凡金龙,李奇,刘杰,卢嘉春,常永福. 裂变产物94Y和95Y半衰期的测定[J]. 核技术, 2009, 32(8) |
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| 作者姓名： | 王世联 白涛 师全林 张小林 凡金龙 李奇 刘杰 卢嘉春 常永福 |
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| 作者单位： | 清华大学工程物理系,北京,100084;禁核试北京国家数据中心和北京放射性核素实验室,北京,100085;西北核技术研究所,西安,710024;禁核试北京国家数据中心和北京放射性核素实验室,北京,100085 |
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| 摘 要： | 用脉冲反应堆热中子辐照浓缩235U溶液靶,经快速放射化学分离纯化出94Y和95Y溶液,稀释并制备放射性浓度依次相差～10倍的3个测量源.将测量源放置在井式HPGe探测器井内,采用质量归一法测得94Y和95Y的半衰期分别为(19.16±0.05)min和(10.36±0.03)min.
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| 关 键 词： | 半衰期 94Y 95Y 井式HPGe 质量归一 |
Half-life determination of fission products 94Y and95Y |
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| WANG Shilian,BAI Tao,SHI Quanlin,ZHANG Xiaolin,FAN Jinlong,LI Qi,LIU Jie,LU Jiachun,CHANG Yongfu. Half-life determination of fission products 94Y and95Y[J]. Nuclear Techniques, 2009, 32(8) |
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| Authors: | WANG Shilian BAI Tao SHI Quanlin ZHANG Xiaolin FAN Jinlong LI Qi LIU Jie LU Jiachun CHANG Yongfu |
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| Abstract: | Solutions of enriched235U were irradiated in thermal-neutron flux producedby apulsed reactor,and 94Yand 95Y werc separated chemically from the fission products immediately.The purified solution of 94Y and 95Y is diluted aboutten timgs in sequence to three concentration solutions.Three Sources were prepared with the solutions.The sources are measured,from the lower concentration to higher onc,with a well-type HPGe detector to determine the half-life of94Y and95Y.The determined half-life results arg(19.16±0.05)min and(10.35±0.04)min for94Y and 95Y respectively. |
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| Keywords: | 94Y 95Y Half-life 94Y 95Y Well-type HPGe Mass normalization |
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