235U裂变产物产率在稀土区

Journal of Nuclear Energy (1954) Pub Date : 1958-11-01 DOI:10.1016/0891-3919(58)90010-X

V.K. Gorshkov, R.N. Ivanov, G.M. Kukabadze, I.A. Reformatsky

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引用次数: 4

摘要

给出了用积分质谱法测量235U裂变产物产率的结果，该方法可以同时测定混合物中几种元素的浓度。用该方法首次测定了139La、141Pr、147Pm和149Pm的产率。根据数据计算了147Pm和147Sm的吸收截面，并估计了149Sm的吸收截面下限。

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235U fission product yields in the rare earth region

Results are given of measurements of fission product yields from ²³⁵U made by an integral mass spectroscopic method allowing simultaneous determination of the concentrations of several elements in a mixture. Using this method, the yields of ¹³⁹La, ¹⁴¹Pr, ¹⁴⁷Pm and ¹⁴⁹Pm were measured for the first time. Absorption cross-sections of ¹⁴⁷Pm and ¹⁴⁷Sm are calculated from the data and a lower limit for the absorption cross-section of ¹⁴⁹Sm is estimated.

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来源期刊

Journal of Nuclear Energy (1954)

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