Identification of <SUP>208</SUP>Hg

Zhang Li; Jin Genming; Zhao Jinhua; Yang Weifan; Yang Yongfeng; Zhao Zhizheng; Zheng Jiwen; Sun Xiurong; Wang Jicheng; Li Zongwei; Qin Zhi; Guo Guanghui

Chinese Physics C> 1994, Vol. 18> Issue(4) : 296-301

Identification of ²⁰⁸Hg

Institute of Modem Physics, Academia Silica, Lanzhou 730000

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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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[7]	Zhao Jinhua , Zhang Li , Zheng Jiwen , Wang Jicheng , Qin Zhi , Yang Yongfeng , Zhang Chun , Jin Genming , Guo Guanghui , Du Yifei , Guo Tianrui , Wang Tongqing , Guo Bin , Tan Jinfeng . New Heavy Neutron-Rich Nuclide ²⁰⁹Hg. Chinese Physics C, 1998, 22(10): 959-960.
[8]	Zhang Changhua , Gu Jinnan . Nuclear Structure in Lead Region(I) Energy Spectra and Wavefunctions of ^207—210T1 and ^207,208Hg. Chinese Physics C, 1997, 21(8): 734-739.
[9]	Zhang Changhua , Gu Jinnan . Nuclear Structure of Nuclei in Lead Region (II) Non-Unique First-Forbidden β Decays of Nuclei ²⁰⁸Tl,²⁰⁸Pb,and ^206-208Hg. Chinese Physics C, 1997, 21(S4): 27-32.
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[11]	Zhang Changhua , Gu Jinnan . Nuclear Structure in Lead Region (Ⅱ) Non-unique First Forbidden Beta Decay for Nuclei ²⁰⁸Tl,²⁰⁸Pb and ^206—208Hg. Chinese Physics C, 1997, 21(9): 812-817.
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[14]	Zhang Li , Jin Genming , Zhao Jinhua , Yang Weifan , Yang Yongfeng , Zhao Zhizheng , Zheng Jiwen , Sun Xiurong , Wang Jicheng , Li Zongwei , Qin Zhi , Guo Guanghui . Identification of ²⁰⁸Hg. Chinese Physics C, 1994, 18(Z1): 1-8.
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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.

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Received: 1900-01-01
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Identification of ²⁰⁸Hg

Corresponding author: Zhang Li,

Institute of Modem Physics, Academia Silica, Lanzhou 730000

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 1994-04-05

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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Identification of ²⁰⁸Hg

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Identification of ²⁰⁸Hg

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Identification of 208Hg

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Identification of 208Hg

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Identification of ²⁰⁸Hg

Identification of ²⁰⁸Hg