裂变产物94Y和95Y半衰期的测定
렬변산물94Y화95Y반쇠기적측정
Half-life determination of fission products 94Y and95Y
  • 万方数据
    核技术 핵기술
    NUCLEAR TECHNIQUES
    2009年 8期 606-608 ,共3页

    王世联%白涛%师全林%张小林%凡金龙%李奇%刘杰%卢嘉春%常永福

    왕세련%백도%사전림%장소림%범금룡%리기%류걸%로가춘%상영복

    半衰期%94Y%95Y%井式HPGe%质量归一 半衰期%94Y%95Y%井式HPGe%質量歸一
    반쇠기%94Y%95Y%정식HPGe%질량귀일
    Half-life%94Y%95Y%Well-type HPGe%Mass normalization
    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.
    용맥충반응퇴열중자복조농축235U용액파,경쾌속방사화학분리순화출94Y화95Y용액,희석병제비방사성농도의차상차～10배적3개측량원.장측량원방치재정식HPGe탐측기정내,채용질량귀일법측득94Y화95Y적반쇠기분별위(19.16±0.05)min화(10.36±0.03)min.
    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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