The Effect of the Neutron Skin and the Neutron Distribution Diffusion on Nuclear Potential

  • The interaction potentials between two heavy ions are calculated by using the energy density formalism and the nuclear Fermi density distributions,the factor of the neutron skin and the surface diffusion of the neutron distribution increasing with the increases of the neutron excess is considered.In this calculation,the experimental fusion barriers are well reproduced,and improved for the intermediate heavier nuclear systems.It is found that the neutron skin and the neutron distribution diffusion can explain the influence of the neutron excess degree of freedom on the proximity scaling.
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  • [1] I.Tanihata et al. Phys.Lett., 160B(1985), 380.[2] I.Tanihata et al., Nucl.Phys.,A488(1988),113C.[3] W. Mitting et al., Phys.Rev.Lett., 59(1988),1889.[4] Shen Wen Qing et al. Nucl.Phys., A491(1989),130一156.[5] H.Ngo, Ch. Ngo, Nucl.Phys, A348(1980),140一156.[6] LC.Vaz and J.M.Alexander, Phys. Report, 69(1981),373.[7] Willan D.Myers and W.J.Swiatecki, Annalr of Physics, 55(1969)396-505.[8] D. Berdichevsky, Z.Phys. A322(1985),141.[9] W.D.Myers et al., Nucl.Phys,A336(1980),267.[10] J.Blocki, et al., Annal of Physics, 105 (1977),427.[11] W. D. Myers and H.Von Groote, Phys. Lett., 15(1976),125.
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ZHAO You-Xong, FENG Jun, GUO Zhong-Yan, SHEN Wen-Qing, ZHAN Wen-Long and ZHU Youg-Tai. The Effect of the Neutron Skin and the Neutron Distribution Diffusion on Nuclear Potential[J]. Chinese Physics C, 1991, 15(11): 1025-1032.
ZHAO You-Xong, FENG Jun, GUO Zhong-Yan, SHEN Wen-Qing, ZHAN Wen-Long and ZHU Youg-Tai. The Effect of the Neutron Skin and the Neutron Distribution Diffusion on Nuclear Potential[J]. Chinese Physics C, 1991, 15(11): 1025-1032. shu
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Received: 1900-01-01
Revised: 1900-01-01
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The Effect of the Neutron Skin and the Neutron Distribution Diffusion on Nuclear Potential

    Corresponding author: ZHAO You-Xong,
  • Institute of Modern Physics,Academia Sinica,Lanzhou 730000

Abstract: The interaction potentials between two heavy ions are calculated by using the energy density formalism and the nuclear Fermi density distributions,the factor of the neutron skin and the surface diffusion of the neutron distribution increasing with the increases of the neutron excess is considered.In this calculation,the experimental fusion barriers are well reproduced,and improved for the intermediate heavier nuclear systems.It is found that the neutron skin and the neutron distribution diffusion can explain the influence of the neutron excess degree of freedom on the proximity scaling.

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