期刊
APPLIED RADIATION AND ISOTOPES
卷 67, 期 4, 页码 539-543出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.apradiso.2008.11.015
关键词
Alpha-spectrometry; Actinides; Coprecipitation; Alpha-source preparation; Electrodeposition; Samarium
In order to prepare sources of short-lived actinides for a-particle spectrometry, a coprecipitation method with Sm hydroxide was developed. The preparation procedure can be completed within 5 min with a high chemical yield of over 90%. It was found that the uniformity of the produced sources was sufficient to provide a high resolution of better than 20keV. Under this method, we successfully measured the a-particle spectrum of short-lived Cf isotopes produced in the U-238(C-12, xn) reaction. (C) 2008 Elsevier Ltd. All rights reserved.
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