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Chinese Physics C> 1998, Vol. 22> Issue(11) : 969-976 

Independent Yield Measurement for the Hg-Isotope Products From 600 MeV 18O+natPb(thick target) System (Ⅰ) Experiment and Technique

  •  Institute of Modern Physics, The Chinese Academy of Sciences, Lunzhou 730000

  • With an on-line, gas-thermochromatographic Hg element separation as well as a special detection technique, the independent cross sections of the radioactive Hg-isotopes produced from a 600MeV 18O +natPb(thick target) reaction system were determined. The independent cross sections of 22 Hg-isotope nuclides in the mass range from 180Hg to 209Hg were measured. The experimental set-up, the detection technique, the γ-spectrum analyses and the extraction method of production cross sections based on the γ activities from the successively decaying daughter nuclei were described.
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    [1] Loveland W et al. Phys. Rev., 1990, C41:973—987 [2] Summrer K et al. Phys.Rev., 1990, C42:2546—2561[3] Casey C et al.Phys. Rev., 1989, C40: 1244—1253 [4] Schmidt K H et al.Phys.Lett., 1993, B300:313—316 [5] Rehm K E et al. Phys.Rev., 1990, C42:2497—2507[6] Yanez R et al.Phys.Rev., 1995, C52:203—218[7] Dufour J P et al. Nucl.Phys., 1982, A387:157c—175c[8] de Boer F W N et al.Z. Phys., 1986, A325:457—466[9] Aleklett K et al. Phys. Rev., 1981, C23: 1044—1046 [10] Hufnez J Phys.Rep., 1985,125: 129—185[11] Daniel Guerreau. Nucl.Phys., 1985, A447:37c—66c[12] Schmidt K H et al. Nucl. Phys., 1992, A542:699—714 [13] Zhang Li et al. Phys. Rev., 1994, C49:R592—596 [14] Zhao Jinhua et al. Atomic Energy Science and Technique, 1997, 31(6):528—534 [15] Zhang Li et al. High Energy Phys. and Nucl.Phys.(in Chinese), 1997, 21(10):891—896(张立等,高能物理与核物理,1997,21(10):891—896)[16] Lu Xiting. NUCLEAR PHYSICS, Beijing, Atomic Ehergy Publishing House(in Chinese),1981:22—31 (卢希庭,原子核物理,北京,原子能出版社,1981:22～31) [17] Reus U, Westmeieh W. Atomic Data and Nuclear Data Tables,1983, 29: 1—406 [18] Nuclear Wallet Cards (Fifth edition) ed. by Japdish K. Tuli, National Nuclear Data Center for The U.S. Nuclear Data Metwort

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Zhang Li, Zhao Jinhua, Zheng Jiwen, Qin Zhi, Yang Yongfeng, Zhang Chu, Wang Jicheng, Guo Tianrui, Jin Genming and Hu Qingyuan. Independent Yield Measurement for the Hg-Isotope Products From 600 MeV 18O+natPb(thick target) System (Ⅰ) Experiment and Technique[J]. Chinese Physics C, 1998, 22(11): 969-976.
Zhang Li, Zhao Jinhua, Zheng Jiwen, Qin Zhi, Yang Yongfeng, Zhang Chu, Wang Jicheng, Guo Tianrui, Jin Genming and Hu Qingyuan. Independent Yield Measurement for the Hg-Isotope Products From 600 MeV 18O+natPb(thick target) System (Ⅰ) Experiment and Technique[J]. Chinese Physics C, 1998, 22(11): 969-976. shu
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Received: 1997-10-21
Revised: 1900-01-01
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Independent Yield Measurement for the Hg-Isotope Products From 600 MeV 18O+natPb(thick target) System (Ⅰ) Experiment and Technique

    Corresponding author: Zhang Li,
  • Institute of Modern Physics, The Chinese Academy of Sciences, Lunzhou 730000
  • Received Date: 1997-10-21
  • Accepted Date: 1900-01-01
  • Available Online: 1998-11-05

Abstract: With an on-line, gas-thermochromatographic Hg element separation as well as a special detection technique, the independent cross sections of the radioactive Hg-isotopes produced from a 600MeV 18O +natPb(thick target) reaction system were determined. The independent cross sections of 22 Hg-isotope nuclides in the mass range from 180Hg to 209Hg were measured. The experimental set-up, the detection technique, the γ-spectrum analyses and the extraction method of production cross sections based on the γ activities from the successively decaying daughter nuclei were described.

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