γ Scheme Following <SUP>208</SUP>Hg β<SUP>－</SUP> Decay

ZHANG Li; HU QingYuan; ZHAO JinHua; ZHENG JiWen; LI ZhanKui; LI ShiHong; GAN ZaiGuo; YU Yong; FAN HongMei; GUO Bin; ZHANG TianMei; WANG ChunFang; WANG TongQing; JIN GenMing; PU YueHu

Chinese Physics C> 2000, Vol. 24> Issue(9) : 823-828

γ Scheme Following ²⁰⁸Hg β^－ Decay

Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000,China1 The Institute of Physical and Chemical ResearchRIKEN,Wako,Saitama,351 0198,JAPAN2 Nagasaki Institute of Applied Science,Niigata University,JAPAN

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Abstract：
The ²⁰⁸Hg has been produced in multi-nucleon transfer reactions induced by ¹⁸O ion beam on a thick,natural lead target.The irradiated lead pieces were put into agasthermochromatographic device, in which the Hg-element products were separated and collected.The 4πΔE_βγ-γ and γ-X(γ) coincidence as well as time-succesive γ-ray single spectrum measurements were performed. A partial γ scheme following ²⁰⁸Hg β^－ decay has been proposed for the first time, which has taken into account 21 γ-rays and two new energy levels at 1365 and 1727keV,respectively.

References

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ZHANG Li, HU QingYuan, ZHAO JinHua, ZHENG JiWen, LI ZhanKui, LI ShiHong, GAN ZaiGuo, YU Yong, FAN HongMei, GUO Bin, ZHANG TianMei, WANG ChunFang, WANG TongQing, JIN GenMing, PU YueHu, γ Scheme Following ²⁰⁸Hg β^－ Decay[J]. Chinese Physics C, 2000, 24(9): 823-828.

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Received: 1999-07-27
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

γ Scheme Following ²⁰⁸Hg β^－ Decay

Corresponding author: ZHANG Li,

Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000,China1 The Institute of Physical and Chemical ResearchRIKEN,Wako,Saitama,351 0198,JAPAN2 Nagasaki Institute of Applied Science,Niigata University,JAPAN

Received Date: 1999-07-27

Accepted Date: 1900-01-01

Available Online: 2000-09-05

Abstract: The ²⁰⁸Hg has been produced in multi-nucleon transfer reactions induced by ¹⁸O ion beam on a thick,natural lead target.The irradiated lead pieces were put into agasthermochromatographic device, in which the Hg-element products were separated and collected.The 4πΔE_βγ-γ and γ-X(γ) coincidence as well as time-succesive γ-ray single spectrum measurements were performed. A partial γ scheme following ²⁰⁸Hg β^－ decay has been proposed for the first time, which has taken into account 21 γ-rays and two new energy levels at 1365 and 1727keV,respectively.

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γ Scheme Following ²⁰⁸Hg β^－ Decay

γ Scheme Following ²⁰⁸Hg β^－ Decay