| 137Eu衰变的在线测量 |
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| 引用本文： | 甘再国,秦芝.137Eu衰变的在线测量[J].原子核物理评论,1999,16(4):243-245. |
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| 作者姓名： | 甘再国 秦芝 |
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| 作者单位： | 中国科学院近代物理研究所 |
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| 摘 要： | 使用在线同位素分离器及快带传输系统研究了缺中子稀土核137Eu的衰变性质，测量了A＝137核的γ、X单谱及γ-X、γ-γ符合谱，得到了137Eu核的半衰期为9．8s，并观测到了137Eu的一条能量为209．0keV的衰变γ线． The decay properties of neutron-deficient rare earth nucleus 137Eu have been studied by means of on-line isotope separator combined with rapid tape transport system.The products were produced by 190 MeV 36Ar bombarding on Pd target via natPd (36Ar, pxn)137Eu reactions. γ, X singles and γ-X, γ-γ coincidence spectra of the nuclei with A=137 were measured. The half-life of 137Eu is obtained to be 9. 8 s. A γ-ray with energy of 209. 0 keV for 137Eu was observed.
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| 关 键 词： | 137Eu衰变 在线同位素分离器 半衰期 |
| 收稿时间： | 1900-01-01 |
On-line Measurement of 137Eu Decay |
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| Institution: | (Institute of Modern Physics; the Chinese Academy of Sciences; Lanzhou 730000); |
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| Abstract: | The decay properties of neutron-deficient rare earth nucleus 137Eu have been studied by means of on-line isotope separator combined with rapid tape transport system.The products were produced by 190 MeV 36Ar bombarding on Pd target via natPd (36Ar, pxn)137Eu reactions. γ, X singles and γ-X, γ-γ coincidence spectra of the nuclei with A=137 were measured. The half-life of 137Eu is obtained to be 9. 8 s. A γ-ray with energy of 209. 0 keV for 137Eu was observed. |
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