Differential spectrum of the conversion electrons and the excitation energy of (1/2+)-uranium-235 isomer
Zhudov V.I. , Zelenkov A.G. , Kulakov V.M. , Mostovoi V.I. , Odinov B.V.
The differential spectrum of the conversion electrons of 235mU has been measured for the first time. The conversion spectrum has been compared with the x-ray electron spectrum of UF4 for the case of polycrystalline UF4 matrix impregnated with the isomer. On this basis it is concluded that the electrons of the UF4 "valence band," 6pU2-, брз/2-uranium electrons—and possibly 2^-electrons of fluorine— take part in the conversion process. An isomer excitation energy of 76.8 ± 0.5 eV is determined.
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![](/ps/1367/article_20692_800_head.png "The differential spectrum of the conversion electrons of <sup>235m</sup>U has been measured for the first time. The conversion spectrum has been compared with the x-ray electron spectrum of UF<sub>4</sub> for the case of polycrystalline UF<sub>4</sub> matrix impregnated with the isomer. On this basis it is concluded that the electrons of the UF<sub>4</sub> "valence band," <i>6p<sub>U2</sub>-, </i>брз/2-uranium electrons—and possibly 2^-electrons of fluorine— take part in the conversion process. An isomer excitation energy of 76.8 ± 0.5 eV is determined.")