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Chinese Physics C> 1999, Vol. 23> Issue(11) : 1115-1118 

Isospin Effect on the Emission Mechanism of Hot Nuclei in 35MeV/u 40Ar +112Sn/124Sn Reactions

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

  • As an extension of radioactive ion beam physics, the research on isospin dependent properties of hot nuclei has increasingly attracted considerable interest. The isospin effect on the decay of hot nuclei in reactions 35MeV/u 40Ar+112Sn/124Sn has been investigared. It is concluded that due to Coulomb repulsion and instability, proton-rich hot nuclei probably emit prides such as a with high energy to increase their neutron-proton ratio. Moreover, the decay chain for those particles is seemingly long and the emission Probability is high. Thus, the conventional observations, for instance, the ‘slope temperature’ extracted from energy spectrum, may very appreciably with the measured particles.
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    [1] Li B A, Ko C K Baner W. International Journal of Modem Physics, 1998, E7: 147 2 Johnston R Winger J, White T et al. Phys. Lett., 1996, B371:1863 Wu H,Jin G, Li Z et al. Nucl. Phys., 1997, A617:385 4 Wu H, Y, Dai G X, Jin J G. et al. Phys. Rev., 1998,C57:31785 Hilscher D. In: Strohmaier B. Proc. Of a specialist's Meeting on Preequilibrium Nuclear Reactions, OECD,Paris, 1988. 245

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Wu Heyu, Xiao Zhigang, Li Zuyu, Wang Hpmgweo, Duan Limin, Zhang Baoguo, Liu Yongying, Wang Sufang, Jin Genming, Xiao Guoqing, Guo Zhongyan and Zhu Yongtai. Isospin Effect on the Emission Mechanism of Hot Nuclei in 35MeV/u 40Ar +112Sn/124Sn Reactions[J]. Chinese Physics C, 1999, 23(11): 1115-1118.
Wu Heyu, Xiao Zhigang, Li Zuyu, Wang Hpmgweo, Duan Limin, Zhang Baoguo, Liu Yongying, Wang Sufang, Jin Genming, Xiao Guoqing, Guo Zhongyan and Zhu Yongtai. Isospin Effect on the Emission Mechanism of Hot Nuclei in 35MeV/u 40Ar +112Sn/124Sn Reactions[J]. Chinese Physics C, 1999, 23(11): 1115-1118. shu
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Received: 1999-06-18
Revised: 1900-01-01
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Isospin Effect on the Emission Mechanism of Hot Nuclei in 35MeV/u 40Ar +112Sn/124Sn Reactions

    Corresponding author: Wu Heyu,
  • Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000
  • Received Date: 1999-06-18
  • Accepted Date: 1900-01-01
  • Available Online: 1999-11-05

Abstract: As an extension of radioactive ion beam physics, the research on isospin dependent properties of hot nuclei has increasingly attracted considerable interest. The isospin effect on the decay of hot nuclei in reactions 35MeV/u 40Ar+112Sn/124Sn has been investigared. It is concluded that due to Coulomb repulsion and instability, proton-rich hot nuclei probably emit prides such as a with high energy to increase their neutron-proton ratio. Moreover, the decay chain for those particles is seemingly long and the emission Probability is high. Thus, the conventional observations, for instance, the ‘slope temperature’ extracted from energy spectrum, may very appreciably with the measured particles.

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