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Chinese Physics C> 1996, Vol. 20> Issue(1) : 21-25 

Production of Hafnium Isotopes From interactions of natW With 6.3─24.6 MeV/u 40Ar Ions

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

  • The yields of known hafnium isotopes produced in 6.3-24.6MeV/u 40Ar+natW reactions were determined by γ-ray spectroscopy following radiochemical separations.The excitation functions,FW values and isotope distributions of hafnium were obtained.It is indicated that synthesis of new heavy neutron-rich isotopes is possible through the reactions induced by heavy ions at HIRFL energy region.The thick target is favorable for increasing the yields of neutron-rich nuclides far from the β-stability. However, further increasing incident energy is not always helpful to synthesize neutron-rich isotopes.
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    [1] R.kirchner et al,Nucl.Phys,A378（1982）549.[2]K.Rykaczewski et al,Z Phys,A309（1983）273.[3]K.Rykaczewski et al,Nucl.Phys,A499（1989）529.[4]I.Zychor et al,Nucl Phys,A414（1984）301[5]K.Aleklett et al,Phys.Rev,C23（1981）1044.[6]杨维凡等，高能物理与核物理，17（1993）873.[7]李宗伟等，核化学与放射化学，16（1994）178.[8]李文新等，原子能科学技术，24（1990）60.[9]U.Reus et al,At.Data and Nucl.Data Table,29（1983）[10]Zhang Li et al,Phys.Rev,C49（199）592.

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Zhang Xiang, Li Wenxin, Sun Tongyu, Yin Xinmin, Qin Zhi, Zhao Lili, Wu Dingqing, Zheng Jiwen and Liu Guoxing. Production of Hafnium Isotopes From interactions of natW With 6.3─24.6 MeV/u 40Ar Ions[J]. Chinese Physics C, 1996, 20(1): 21-25.
Zhang Xiang, Li Wenxin, Sun Tongyu, Yin Xinmin, Qin Zhi, Zhao Lili, Wu Dingqing, Zheng Jiwen and Liu Guoxing. Production of Hafnium Isotopes From interactions of natW With 6.3─24.6 MeV/u 40Ar Ions[J]. Chinese Physics C, 1996, 20(1): 21-25. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Production of Hafnium Isotopes From interactions of natW With 6.3─24.6 MeV/u 40Ar Ions

    Corresponding author: Zhang Xiang,
  • Institute of Modern Physics,The Chinese Academy of Sciences, Lanzhou 730000
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1996-01-05

Abstract: The yields of known hafnium isotopes produced in 6.3-24.6MeV/u 40Ar+natW reactions were determined by γ-ray spectroscopy following radiochemical separations.The excitation functions,FW values and isotope distributions of hafnium were obtained.It is indicated that synthesis of new heavy neutron-rich isotopes is possible through the reactions induced by heavy ions at HIRFL energy region.The thick target is favorable for increasing the yields of neutron-rich nuclides far from the β-stability. However, further increasing incident energy is not always helpful to synthesize neutron-rich isotopes.

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