Identification of 208Hg

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Zhang Li, Jin Genming, Zhao Jinhua, Yang Weifan, Yang Yongfeng, Zhao Zhizheng, Zheng Jiwen, Sun Xiurong, Wang Jicheng, Li Zongwei, Qin Zhi and Guo Guanghui. Identification of 208Hg[J]. Chinese Physics C, 1994, 18(Z1): 1-8.
Zhang Li, Jin Genming, Zhao Jinhua, Yang Weifan, Yang Yongfeng, Zhao Zhizheng, Zheng Jiwen, Sun Xiurong, Wang Jicheng, Li Zongwei, Qin Zhi and Guo Guanghui. Identification of 208Hg[J]. Chinese Physics C, 1994, 18(Z1): 1-8. shu
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Received: 1993-01-04
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    Supponed by the National Natural Science Foundation of China and Grant No. LWTZ-1298 of the Chinese Academy of Sciences.

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Identification of 208Hg

  • Institute of Modem Physics, Chinese Academy of Sciences, Lanzhou, Gansu, China
Fund Project:  Supponed by the National Natural Science Foundation of China and Grant No. LWTZ-1298 of the Chinese Academy of Sciences.

Abstract: This paper describes in detail the procedures used in the identification of the new neutron-rich isotope 208Hg and the measurement of its half-life. The identification included two step chemical separations. The first step was the collection of Hg element products from the irradiated target with high efficiency and good element selectivity, which was realized by means of an off-line melt Pb target device. The second step was to extract periodically the growing Tl element from the collected Hg sample. In the γ spectra of the extracted Tl sample, a 2614.6 keV activity with a half-life of 3 minutes was observed, which may only be assigned to the daughter 208Tl of 208Hg decay.

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