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zuo de xin tong wei su :186hf
Author(s): 
Pages: 0-0+0-0
Year: Issue:  12
Journal: High Energy Physics and Nuclear Physics

Keyword:  厚靶多核子转移反应放射化学分离生长和衰变;
Abstract: 利用兰州重离子加速器提供的60MeV/u的(18)O离子束轰击天然钨靶,通过奇异的多核子转移反应生成(186)Hf.采用快速放射化学分离技术从钨及反应产物的混合物中分离出铪,由高纯锗(HPGe)探测器测量样品的γ活性,观测到了(186)Hf的子体(186)Taγ活性的生长、衰变行为.由此表明:本实验首次合成并鉴别了重丰中子新核素(186)Hf,并测定它的半衰期为(2.6±1.2)min.
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