Identification of 208Hg

  • This paper describes in detail the procedure used in identifing the new neutronrich isotope 208Hg and measuring its half-life. The idetification included two-step chemical separations. The first step was the collection of Hg element products from the irradiated target with a high efficiency and good element selectivity, which was realized by means of an off-line melt Ph target device. The second step was to extract periodically the growing T1 element from the collected Hg sample. In the γspectra of the extracted T1 samples a 2614.6keV γ activity with a half-life of 3min was observed, which may only be assigned to the daughter 208T1 of 208Hg β decay.
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  • [1] 张立等,高能物理与核物理,16(1992)767.[2]Zhao Jinhua,Zhang Li and Jin Genming,et al,Chin.J.Nucl.Phys.,14(1992)267,及其中的References.[3]H.Bruchertseifer,T.Reetz,B.L.Zhuikof and I.I.Zvara,Radiochimica Acta,26(1979)139.[4]V.Reus and W.Westmeier,Atomic Data and Nuclear Data Tables,29(1983)1.[5]卢希庭,原子核物理,原子能出版社,1982.[6]戴光曦、刘国兴,核素图册,科学出版社重庆分社,1987.[7]Table of Isotopes-seventh edition,Edited by C.Michael Lederer and virginia S.Shirley;John Willy Sons,INC,New York,Chicheter.Brisane.Toronto(1978)p.1231-1234.[8]B.nyman,A.Johansson,C.Bergman and G.Backstrom,Nucl.Phys.,88(1966)63.[9]H.V.Klavdor,J.Mtzinser and T.Oda,Atomic Data and Nuclear Data Tables,31(1984)81.[10]K.Takahashi,M.Yamada and K.Kondoh,Atomic Data and Nuclear Data Tables,12(1973)101.[11]A.Staudt,E.Bender,K.Muto and H.V.Klapdor,Atamic Data and Nuclear DataT ables,44(1990)79.
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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(4): 296-301.
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(4): 296-301. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Identification of 208Hg

    Corresponding author: Zhang Li,
  • Institute of Modem Physics, Academia Silica, Lanzhou 730000

Abstract: This paper describes in detail the procedure used in identifing the new neutronrich isotope 208Hg and measuring its half-life. The idetification included two-step chemical separations. The first step was the collection of Hg element products from the irradiated target with a high efficiency and good element selectivity, which was realized by means of an off-line melt Ph target device. The second step was to extract periodically the growing T1 element from the collected Hg sample. In the γspectra of the extracted T1 samples a 2614.6keV γ activity with a half-life of 3min was observed, which may only be assigned to the daughter 208T1 of 208Hg β decay.

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