热中子捕获来自某些稀土元素的伽马射线

Journal of Nuclear Energy (1954) Pub Date : 1959-06-01 DOI:10.1016/0891-3919(59)90140-3

V.V. Sklyarevskii, E.P. Stepanov, B.A. Obinyakov

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引用次数: 11

摘要

用闪烁光谱仪测量了捕获γ射线能谱。300 keV以下有Eu、Gd、Dy等强谱线;Ho, Er, Tm, Hf和Ta。在168Er和178Hf的光谱中，每次捕获强度为0.5 ~ 0.8量子的谱线归因于旋转能级之间的4+ 2+和2+ 0+型跃迁。

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Thermal-neutron capture gamma-rays from some rare-earth elements

Capture γ-ray spectra have been measured using a scintillation spectrometer. Strong lines were observed below 300 keV with Eu, Gd, Dy; Ho, Er, Tm, Hf and Ta. In the spectra of ¹⁶⁸Er and ¹⁷⁸Hf, lines of intensity 0·5–0·8 quanta per capture have been attributed to transitions of the type 4⁺å 2⁺ and 2⁺å0⁺ between rotational levels.

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Journal of Nuclear Energy (1954)

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