Cross-section Measurement of Neutron-Rich Hg Nuclides in Reaction of 28 MeV/u 18O with Thick Natural Lead Target

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Wang Jicheng, Zhang Li, Guo guanghui, Zhao Jinhua and Zheng Jiwen. Cross-section Measurement of Neutron-Rich Hg Nuclides in Reaction of 28 MeV/u 18O with Thick Natural Lead Target[J]. Chinese Physics C, 1995, 19(S3): 241-246.
Wang Jicheng, Zhang Li, Guo guanghui, Zhao Jinhua and Zheng Jiwen. Cross-section Measurement of Neutron-Rich Hg Nuclides in Reaction of 28 MeV/u 18O with Thick Natural Lead Target[J]. Chinese Physics C, 1995, 19(S3): 241-246. shu
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Received: 1994-06-10
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    Supported by the National Natural Science Foundation of China and The Chinese Academy of Sciences.

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Cross-section Measurement of Neutron-Rich Hg Nuclides in Reaction of 28 MeV/u 18O with Thick Natural Lead Target

  • Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou, China
Fund Project:  Supported by the National Natural Science Foundation of China and The Chinese Academy of Sciences.

Abstract: By using an 28 MeV/u 18O beam, an on-line molten lead target equipment, and 4πΔEβ-γ coincident technique, the relative cross-section ratios and approximate absolute cross section for the neutron-rich nuclides 205-208Hg have been measured; the probable existence of 209Hg is observed and its production cross section is extrapolated. The cross section of 207Hg produced by -2p+1n reaction from the target nucleus depresses suddenly, which may be explained by the variation of reaction Q value.

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